360
20
16488
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Dublin Core
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Title
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Articles
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Faculty Publications -Articles
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Title
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Fabrication of cobalt oxide@cellulose/nitrogen doped carbon nanotubes decorated metal organic frameworks composite for symmetric supercapacitor applications
Subject
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Cellulose (CE); Cobalt oxides; Composite; Hydrothermal process; Nitrogen doped MWCNT; Symmetric supercapacitor (SSC); Zeolite imidazole frame work (ZIF-67)
Description
An account of the resource
The two main issues facing the world's population now are energy storage needs and environmental protection. A lot of work has gone into creating electrochemical energy storage using chemical processes and a variety of possible electrode active materials. Supercapacitors, which are energy storage devices with a unique structure and morphology of cellulose materials for green energy resource. In this regard, solid state hydrothermal process is used to fabricate Co3O4@Cellulose (CE), Co3O4@CE/N-MWCNT, and Co3O4@CE/N-MWCNT/ZIF-67 composite materials. XRD, XPS, BET, and HR-TEM analyses verified the structural, surface, and morphological analysis. The electrochemical studies by a three- and two-electrode fabrication in presence of 1M KOH electrolyte for supercapacitor applications. When 1M KOH electrolyte is present, the fabricated Co3O4@CE/N-MWCNT/ZIF-67composite electrode displayed exceptional cyclic stability and a specific capacitance of ?835 F g?1 at 1 A/g. The constructed composite electrodes of Co3O4, Co3O4@CE, and Co3O4@CE/N-MWCNT have specific capacitances of 263, 406, and 576 F g?1 at 1 A/g, respectively, which improves electrochemical properties using a three-electrode design. The Co3O4@CE-N-MWCNT/ZIF-67//1MKOH/SSC composite is produced using two electrode configurations. The final material showed a capacitance of 258 F g?1 at 1 A/g, a capacitance retention of 84.95 % across 8000 cycles, and an energy density of 30.99 W h kg?1 at a power density of 5409 W kg?1. Hence, the composite electrodes that have been produced have the potential to be used in electrochemical systems. 2025 Elsevier B.V.
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Ramesh S.; Rabani I.; Indumathi T.; Yadav H.M.; Selvaraj M.; Pai Sunajadevi K.R.; Seo Y.-S.; Kim J.-H.; Kim H.S.
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Journal of Power Sources, Vol-631
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Elsevier B.V.
Date
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2025-01-01
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<a href="https://doi.org/10.1016/j.jpowsour.2025.236288" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.jpowsour.2025.236288</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85215841391&doi=10.1016%2Fj.jpowsour.2025.236288&partnerID=40&md5=19abb4f404e2e3a3a3d8598da2d25786" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85215841391&doi=10.1016%2fj.jpowsour.2025.236288&partnerID=40&md5=19abb4f404e2e3a3a3d8598da2d25786</a>
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ISSN: 3787753; CODEN: JPSOD
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Online
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English
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Article
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Ramesh S., Department of Mechanical, Robotics and Energy Engineering, Dongguk University, 30, Pil-dong, Jung-gu, Seoul, 04620, South Korea; Rabani I., Interface Lab, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, 05006, South Korea; Indumathi T., Department of Chemistry, Christ University, Karnataka, Bangalore, 560029, India; Yadav H.M., School of Nanoscience and Bio-Technology, Shivaji University, Kolhapur, 416004, India; Selvaraj M., Department of Chemistry, Faculty of Science, King Khalid University, Abha, 61413, Saudi Arabia, Research Center for Advanced Materials Science (RCAMS), King Khalid University, PO.Box 9004, Abha, 61413, Saudi Arabia; Pai Sunajadevi K.R., Department of Chemistry, Christ University, Karnataka, Bangalore, 560029, India; Seo Y.-S., Interface Lab, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, 05006, South Korea; Kim J.-H., Department of Mechanical Engineering, Inha University, Inha-ro,100, Namgu, Incheon, 22212, South Korea; Kim H.S., Department of Mechanical, Robotics and Energy Engineering, Dongguk University, 30, Pil-dong, Jung-gu, Seoul, 04620, South Korea
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Title
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Faculty Publications
Article
Faculty Publications -Articles
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Ramesh, Sivalingam; Rabani, Iqra; Indumathi, T.; Yadav, H.M.; Selvaraj, Manickam; Pai Sunajadevi, Kalathiparambil Rajendra; Seo, Young-Soo; Kim, Joo-Hyung; Kim, Heung Soo
Title
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Fabrication of cobalt oxide@cellulose/nitrogen doped carbon nanotubes decorated metal organic frameworks composite for symmetric supercapacitor applications
Date
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01-01-2025
Source
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Journal of Power Sources;Volume;631;Issue;;Article No.;236288;
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<a href="https://doi.org/10.1016/j.jpowsour.2025.236288" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.jpowsour.2025.236288</a> <br /><br /><a href="https://www.scopus.com/pages/publications/85215841391?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/85215841391?origin=resultslist</a>
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Ramesh S., Department of Mechanical, Robotics and Energy Engineering, Dongguk University, 30, Pil-dong, Jung-gu, Seoul, 04620, South Korea; Rabani I., Interface Lab, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, 05006, South Korea; Indumathi T., Department of Chemistry, Christ University, Karnataka, Bangalore, 560029, India; Yadav H.M., School of Nanoscience and Bio-Technology, Shivaji University, Kolhapur, 416004, India; Selvaraj M., Department of Chemistry, Faculty of Science, King Khalid University, Abha, 61413, Saudi Arabia, Research Center for Advanced Materials Science (RCAMS), King Khalid University, PO.Box 9004, Abha, 61413, Saudi Arabia; Pai Sunajadevi K.R., Department of Chemistry, Christ University, Karnataka, Bangalore, 560029, India; Seo Y.-S., Interface Lab, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, 05006, South Korea; Kim J.-H., Department of Mechanical Engineering, Inha University, Inha-ro,100, Namgu, Incheon, 22212, South Korea; Kim H.S., Department of Mechanical, Robotics and Energy Engineering, Dongguk University, 30, Pil-dong, Jung-gu, Seoul, 04620, South Korea
Description
An account of the resource
The two main issues facing the world's population now are energy storage needs and environmental protection. A lot of work has gone into creating electrochemical energy storage using chemical processes and a variety of possible electrode active materials. Supercapacitors, which are energy storage devices with a unique structure and morphology of cellulose materials for green energy resource. In this regard, solid state hydrothermal process is used to fabricate Co3O4@Cellulose (CE), Co3O4@CE/N-MWCNT, and Co3O4@CE/N-MWCNT/ZIF-67 composite materials. XRD, XPS, BET, and HR-TEM analyses verified the structural, surface, and morphological analysis. The electrochemical studies by a three- and two-electrode fabrication in presence of 1M KOH electrolyte for supercapacitor applications. When 1M KOH electrolyte is present, the fabricated Co3O4@CE/N-MWCNT/ZIF-67composite electrode displayed exceptional cyclic stability and a specific capacitance of ?835 F g?1 at 1 A/g. The constructed composite electrodes of Co3O4, Co3O4@CE, and Co3O4@CE/N-MWCNT have specific capacitances of 263, 406, and 576 F g?1 at 1 A/g, respectively, which improves electrochemical properties using a three-electrode design. The Co3O4@CE-N-MWCNT/ZIF-67//1MKOH/SSC composite is produced using two electrode configurations. The final material showed a capacitance of 258 F g?1 at 1 A/g, a capacitance retention of 84.95 % across 8000 cycles, and an energy density of 30.99 W h kg?1 at a power density of 5409 W kg?1. Hence, the composite electrodes that have been produced have the potential to be used in electrochemical systems. 2025 Elsevier B.V.
Subject
The topic of the resource
Cellulose (CE); Cobalt oxides; Composite; Hydrothermal process; Nitrogen doped MWCNT; Symmetric supercapacitor (SSC); Zeolite imidazole frame work (ZIF-67)
Publisher
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Elsevier B.V.
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ISSN: 3787753; CODEN: JPSOD
Language
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English
Type
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Article
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Restricted Access; Hardcopy may be available in the library
Format
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online
-
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Title
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Conference Papers
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Faculty Publications- Conference Papers
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Title
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Fabrication of Didactic Model to Demonstrate Bottle Filling System Using Programmable Logic Controller
Subject
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Industrial automation; Programmable logic controllers; Sensors
Description
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Automation is the evolution of manufacturing process which will ideally lead to e-governance. It helps humans and machines to be connected at the hip, blending the cerebral aptitudes of human and specialized abilities of automated bots to immune the workspace. Automated system has enhanced the modern day market by increasing the quality of the product as well as making the fabricating process time efficient. Lights out technology in industry promotes the robots to do work even after working hours when the lights are shut down in industry. In this research paper, a unique approach is used to fabricate a didactic model which demonstrates the working of a bottling plant which may be preferred for medium and small scale industries. To implement the process, CODESYS is used to program CPX-CEC-C1 PLC, a digital computerized system which performs logical decisions and provides outputs based on sensor inputs. The main focus is towards interfacing pneumatics and hydraulic components with PLC. 2021, Springer Nature Singapore Pte Ltd.
Creator
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Akilesh V.K.R.; Kannanraj H.; Kannan M.; Manikandan P.
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Lecture Notes in Electrical Engineering, Vol-700, pp. 283-290.
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Springer Science and Business Media Deutschland GmbH
Date
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2021-01-01
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<a href="https://doi.org/10.1007/978-981-15-8221-9_26" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/978-981-15-8221-9_26</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85103439916&doi=10.1007%2F978-981-15-8221-9_26&partnerID=40&md5=10816bb46d72f66e4c3a7fb13f618410" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85103439916&doi=10.1007%2f978-981-15-8221-9_26&partnerID=40&md5=10816bb46d72f66e4c3a7fb13f618410</a>
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ISSN: 18761100; ISBN: 978-981158220-2
Format
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Online
Language
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English
Type
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Conference paper
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Akilesh V.K.R., School of Engineering and Technology, CHRIST (Deemed to be University), Bengaluru, Karnataka, 560074, India; Kannanraj H., School of Engineering and Technology, CHRIST (Deemed to be University), Bengaluru, Karnataka, 560074, India; Kannan M., School of Engineering and Technology, CHRIST (Deemed to be University), Bengaluru, Karnataka, 560074, India; Manikandan P., School of Engineering and Technology, CHRIST (Deemed to be University), Bengaluru, Karnataka, 560074, India
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Dublin Core
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Title
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Book Chapter
Book Chapter
Faculty Publications- Book Chapter
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Title
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Fabrication of disposable sensor strips for point-of-care testing of environmental pollutants
Subject
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Biosensor; Carbon nanotube/cellulose composite paper; CNT; Disposable sensor; Fabrication; Inkjet printing; Point-of-care testing; Pollutant; Screen printing; Wax printing
Description
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Biosensors are potentially used in detection of trace amount of environmental pollutants. Nanostructured materials are being widely explored for its application in the field of biosensors for monitoring environmental pollutants. Advances in biosensor technology with the use of micro-/nanomaterials can detect and analyze living and chemical matter with high specificity, which is relatively fast, sensitive, accurate, and inexpensive for the determination of chemical and biological contaminants. Recent finding shows that carbon nanotubes (CNTs) and nanomaterial-based biosensors utilizing the electrochemical and optical properties are being used for the analysis of contaminants at an incredible sensitivity and accuracy. In this chapter, the application of CNT-based biosensors and the fabrication of paper-based sensors in monitoring hazardous environmental pollutants are discussed. 2022 Elsevier Inc. All rights reserved.
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Rao G.; Rao A.; Nandeshwarappa B.P.; Ningegowda R.; Mudnakudu-Nagaraju K.K.; Chandrashekharappa S.
Source
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Carbon Nanomaterials-Based Sensors: Emerging Research Trends in Devices and Applications, pp. 77-94.
Publisher
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Elsevier
Date
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2022-01-01
Identifier
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<a href="https://doi.org/10.1016/B978-0-323-91174-0.00024-X" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/B978-0-323-91174-0.00024-X</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85137612695&doi=10.1016%2FB978-0-323-91174-0.00024-X&partnerID=40&md5=eac7a17f3330f3a98978bd38d653f728" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85137612695&doi=10.1016%2fB978-0-323-91174-0.00024-X&partnerID=40&md5=eac7a17f3330f3a98978bd38d653f728</a>
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ISBN: 978-032391174-0; 978-032398419-5
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Online
Language
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English
Type
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Book chapter
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Rao G., Department of Biochemistry, Bangalore University, Karnataka, Bengaluru, India; Rao A., Department of Mechanical Engineering, Christ University, Karnataka, Bengaluru, India; Nandeshwarappa B.P., Department of Studies in Chemistry, Davangere University, Karnataka, Davangere, India; Ningegowda R., Department of Chemistry, Jyoti Nivas College Autonomous, Karnataka, Bangalore, India; Mudnakudu-Nagaraju K.K., Department of Biotechnology and Bioinformatics, Faculty of Life Sciences, JSS Academy of Higher Education and Research, Karnataka, Mysore, India; Chandrashekharappa S., Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) Raebareli, Uttar Pradesh, Lucknow, India, Institute for Stem Cell Science and Regenerative Medicine, NCBS, TIFR, GKVK-Campus, Karnataka, Bengaluru, India
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Title
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PHD
PhD
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61000122
Title
A name given to the resource
Fabrication of electrochemical sensors for pharmaceuticals and biologically significant molecules
Subject
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Chemistry
Description
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Newer properties of electrochemical sensors for various target molecules are being developed in continuum. Such sensors have attracted a lot of attention due to their simplicity, high sensitivity and trace-level detection of analytes in real samples. Sensor is a system that on stimulation by any form of energy undergoes change in its own state which helps to analyze the stimulant qualitatively and quantitatively. In the thesis studies presented, we have also described the development of electrochemical sensors for the determination of pharmaceuticals and biologically significant molecules. This can be achieved by modifying newlineelectrodes by electrochemical method. Electrode modifiers like metal nanoparticles dispersed on conducting polymers and carbon nanospheres were employed for modification of carbon fiber paper working electrode substrate. These modified electrodes were physicochemically characterized by X-ray diffraction (XRD), Field emission scanning newlineelectron microscopy (FESEM) with energy-dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM), Raman spectroscopy, Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron newlinespectroscopy (XPS) and electrochemically characterized using Cyclic voltammetry and Electrochemical impedance spectroscopy (EIS). newlineThe modified electrodes have exhibited remarkable electrocatalytic behaviour towards oxidation or reduction of chosen analytes. These modified electrodes were used as electrochemical sensors after optimization of experimental conditions. Under optimal conditions, the sensors have displayed significantly an ultra-low level detection limit with wide linear response and high selectivity towards analyte in the newlinepresence of other interfering substances. newlineThe ultrasensitivity and reliability of the fabricated sensors towards analyte of interest were effectively determined in real samples.
Creator
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K B Akshaya
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Author's Submission
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Christ(Deemed to be University)
Date
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2019-01-01
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Varghese, Anitha
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Open Access
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PDF
Language
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English
Type
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PhD
Identifier
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<a href="http://hdl.handle.net/10603/268461" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/268461</a>
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https://archives.christuniversity.in/files/original/c4eb0a5b0fd43ba816a9f23134360206.jpg
0b6dfeeadbd8dbf97f5aef738454f6b9
Dublin Core
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Title
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Patents
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Patent
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Patent
Patent
Patents
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Title
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Fabrication of heteroatom doped, activated graphine-based architecture derived from coke as supercapacitor electrode material /
Subject
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Physics
Description
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Patent Number: 202241051518, Applicant: Riya Thomas.
The present disclosure pertains to preparing a heteroatom doped, activated graphene-based electrode material for the fabrication of high-performance supercapacitor utilizing a low-cost and naturally formed graphite-like precursor, coke. The simultaneous heteroatom doping, as well as activation, was achieved via thermal annealing of the coke-derived oxidized graphene-based architecture along with nitrogen and phosphorus precursors, such as ethylenediamine and phosphoric acid, respectively.
Creator
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B, Manoj.
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<a href="https://drive.google.com/file/d/1hJzmDLZJZFEEgEBXdIPNYelspWfb-Ghv/view" target="_blank" title="Fabrication of heteroatom doped, activated graphine-based architecture derived from coke as supercapacitor electrode material /" rel="noreferrer noopener">https://drive.google.com/file/d/1hJzmDLZJZFEEgEBXdIPNYelspWfb-Ghv/view</a>
Publisher
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Intellectual Property India
Date
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2022-05-22
Language
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English
Type
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Patent
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Title
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Faculty Publications
Article
Faculty Publications -Articles
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Roopashree, R.; Gupta, Anchal; Rathore, Mahendra Singh; Sharma, Kamini; Chinnathambi, Arunachalam; Alharbi, Sulaiman Ali; Ramar, Mohankumar; Kalaiarasi, Giriraj; Thangavelu, Indumathi; Suriyaprakash, Jagadeesh
Title
A name given to the resource
Fabrication of Kaempferol Loaded Zein Nanoparticles: Investigation of in Vitro Cytotoxicity and Apoptosis Induction in Oral Cancer Cells
Date
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01-01-2025
Source
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Journal of Polymers and the Environment;Volume;33;Issue;5;pp.2371-2384
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<a href="https://doi.org/10.1007/s10924-025-03532-5" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s10924-025-03532-5</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105003288709?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105003288709?origin=resultslist</a>
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Roopashree R., Department of Chemistry and Biochemistry, JAIN (Deemed-to-be University), Karnataka, Bangalore, 560069, India; Gupta A., Centre of Research Impact and Outcome, Chitkara University, Punjab, Rajpura, 140417, India; Rathore M.S., Department of Applied Science, PIT, Parul University, Gujarat, Vadodara, 391760, India; Sharma K., Department of Sciences, Vivekananda Global University, Jaipur, 303012, India; Chinnathambi A., Department of Botany and Microbiology, College of Science, King Saud University, PO Box - 2455, Riyadh, 11451, Saudi Arabia; Alharbi S.A., Department of Botany and Microbiology, College of Science, King Saud University, PO Box - 2455, Riyadh, 11451, Saudi Arabia; Ramar M., Department of Pharmacology and Toxicology, School of Pharmacy, University of Connecticut, Storrs, CT, United States; Kalaiarasi G., Centre for Material Chemistry, Department of Chemistry, Karpagam Academy of Higher Education, Tamil Nadu, Coimbatore, 641 021, India; Thangavelu I., Department of Chemistry, CHRIST (Deemed to be University), Karnataka, Bangalore, 560029, India; Suriyaprakash J., Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou, 510006, China
Description
An account of the resource
Oral cancer remains a significant health challenge, necessitating innovative therapeutic strategies to enhance treatment efficacy and minimize side effects. This study investigates the potential of kaempferol-loaded zein nanoparticles (KZNPs) for this purpose. Kaempferol, a flavonoid with anticancer properties, has poor water solubility, limiting its effectiveness. Zein nanoparticles (ZNPs) offer a promising delivery system for such bioactive compounds. UV-Vis spectroscopy identified Kaempferols absorption peaks at 347 and 253nm, which shifted to 338nm when encapsulated in ZNPs, indicating a change in ??* conjugation. Dynamic light scattering (DLS) and scanning electron microscopy (SEM) confirmed that sodium caseinate (SC) stabilizes ZNPs, resulting in spherical particles with optimal size and stability. Fourier transform infrared (FTIR) spectroscopy suggested enhanced hydrogen bonding between Kaempferol and zein. Differential scanning calorimetry (DSC) revealed the absence of Kaempferols crystalline peaks in KZNPs. The encapsulation efficiency (EE) was 98.39%, and drug release studies showed a controlled release of 79% kaempferol over 8h. In vitro assays demonstrated that KZNPs significantly increased Kaempferols cytotoxicity against PCI-13 oral cancer cells without affecting normal NIH3T3 cancer cells. Overall, these results demonstrate that our KZNPs enhanced biocompatibility and anticancer properties for oral cancer cells. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2025.
Subject
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Apoptosis; Cytotoxicity; Kaempferol; Oral cancer; Zein
Publisher
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Springer
Relation
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ISSN: 15662543; CODEN: JPENF
Language
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English
Type
The nature or genre of the resource
Article
Rights
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Restricted Access; Hardcopy may be available in the library
Format
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online
-
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Faculty Publications
Article
Faculty Publications -Articles
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Roopashree, B.N.; Gurushantha, K.; Ashly., P.C.; Kottam, Nagaraju; Meena, S.; Raghu, G.K.; Sunajadevi, Kalathiparambil Rajendra Pai
Title
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Fabrication of LaCoO3/g-C3N5 Z-scheme photo catalyst for Allura Red dye degradation, ascorbic acid sensing and hydrogen evolution studies
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01-01-2026
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Next Materials;Volume;11;Issue;;Article No.;101775;
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<a href="https://doi.org/10.1016/j.nxmate.2026.101775" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.nxmate.2026.101775</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105033963874?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105033963874?origin=resultslist</a>
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Roopashree B.N., Department of Chemistry, M. S. Ramaiah Institute of Technology (affiliated to VTU), Bengaluru, 560054, India; Gurushantha K., Department of Chemistry, M. S. Ramaiah Institute of Technology (affiliated to VTU), Bengaluru, 560054, India; Ashly. P.C., Department of Chemistry, Sir M. Visvesvaraya institute of technology, Bengaluru, 562157, India; Kottam N., Department of Chemistry, M. S. Ramaiah Institute of Technology (affiliated to VTU), Bengaluru, 560054, India; Meena S., Department of Chemistry, Dayananda Sagar College of Engineering, Bengaluru, 560111, India; Raghu G.K., Department of Chemistry, Siddaganga Institute of Technology, Tumakuru, 572102, India; Sunajadevi K.R.P., Department of Chemistry, Christ University, Karnataka, Bengaluru, 560029, India
Description
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Production of hydrogen by water splitting through photocatalytic process under visible light from waste water is one of the potential green energy technologies. In this study, LaCoO3, g-C3N5, LaCoO3/g-C3N5 (1:1), (1:2) and (2:1) weight ratio nanocomposites (NCs) have been successfully synthesized using a solution combustion, hydrothermal and probe sonication method. The X-Ray Diffraction (XRD) confirmed the compound formed with the crystal size range 20 ?30?nm. The studies of Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) verify the morphology of the particles; band gap of the range 1.52?eV identified from Ultraviolet-Visible (UVvis) studies. The findings demonstrate that Z-scheme heterostructures have developed on the interfaces between the layered flake-like g-C3N5 and the perovskite-type oxides LaCoO3, which improve the absorption of visible light, the separation of photogenerated electron-hole pairs, and the transformation of photogenerated electrons. From the different ratio of synthesized nanoparticles (NPs), the LaCoO3/g-C3N5 (2:1) shows enhanced photocatalytic activity of 99.87?% for degradation of Allura red dye in visible light irradiation. For the first time, the produced nanomaterials were tested for ascorbic acid sensing at extremely low concentrations with a 0.12??M detection limit. The prepared nanomaterials were assessed for their electrocatalytic water splitting operation. Especially, the nanomaterial, LaCoO3/g-C3N5 (2:1) reveal exceptional hydrogen evolution reaction (HER) and also oxygen evolution reaction (OER) capabilities with overpotential of 79?mV and 450?mV, respectively. Hence, the prepared nanomaterials are used for multifunctional applications. 2026 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license. http://creativecommons.org/licenses/by-nc-nd/4.0/
Subject
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HER and OER; Nanomaterials; Overpotential; Photocatalytic water splitting
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Elsevier B.V.
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ISSN: 29498228;
Language
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English
Type
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Article
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All Open Access; Gold Open Access
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online
-
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Title
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Faculty Publications
Article
Faculty Publications -Articles
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Phanindra, D.V.S.; Greeshma, L.S.; Vincent, Della; Raees, Muhammed; Nagaraju, K.; Hegde, Gurumurthy; Sreekumar, P.; Namboothiry, Manoj A. G.
Title
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Fabrication of liquid-crystal retarders for solar polarimetry: A facile method
Date
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01-01-2025
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Journal of Astrophysics and Astronomy;Volume;46;Issue;2;Article No.;43;
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<a href="https://doi.org/10.1007/s12036-025-10068-6" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s12036-025-10068-6</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105010188152?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105010188152?origin=resultslist</a>
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Phanindra D.V.S., Indian Institute of Astrophysics, Bangalore, 560034, India; Greeshma L.S., School of Physics, Indian Institute of Science Education and Research, Maruthamala P.O., Vithura, Thiruvananthapuram, 695551, India; Vincent D., Indian Institute of Astrophysics, Bangalore, 560034, India; Raees M., School of Physics, Indian Institute of Science Education and Research, Maruthamala P.O., Vithura, Thiruvananthapuram, 695551, India; Nagaraju K., Indian Institute of Astrophysics, Bangalore, 560034, India; Hegde G., Center for Advanced Research and Development, Christ University (Deemed to be University), Dharmaram College Post, Hosur Road, Bangalore, 560029, India; Sreekumar P., Manipal Centre for Natural Sciences, Manipal Academy of Higher Education, Eshwar Nagar, Manipal, 576104, India; Namboothiry M.A.G., School of Physics, Indian Institute of Science Education and Research, Maruthamala P.O., Vithura, Thiruvananthapuram, 695551, India
Description
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A high-precision polarimeter for simultaneous multi-line spectropolarimetric Sun observations is under development at Indian Institute of Astrophysics. Towards this end, we plan to use liquid-crystal retarders as the polarization modulators. A prototype liquid-crystal variable retarder (LCVR) is fabricated and characterized. A solution-processed method is adapted to fabricate the LCVR using commercially available E7 nematic liquid-crystal material. Thickness of the alignment layer of the LC retarder was optimized to achieve uniformity. The fabricated LCVR demonstrates spatial uniformity of retardance comparable to a commercial waveplate. The device is found to have a low-range of operational voltage of <20 V and a very short response time of <1 ms. Also, the device shows consistent operational stability. Indian Academy of Sciences 2025.
Subject
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fabrication; LCVR; Polarimetry
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Springer
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ISSN: 2506335;
Language
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English
Type
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Article
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Restricted Access; Hardcopy may be available in the library
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online
-
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Title
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PHD
PhD
PhD Thesis
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Relation
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61000293
Title
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Fabrication of Molecularly Imprinted Electrochemical Sensors for Food Additives
Subject
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Chemistry
Description
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Molecularly imprinted polymers (MIPs) have emerged as a promising technique for the newlinepreparation of synthetic polymers with specific binding sites for target molecules. These polymers have found applications in various fields, including sensing, where they serve as a recognition element for the detection and quantification of analytes in chemical and biological environments. In recent years, MIPs have been utilized as sensing materials for biomolecules, food additives, pesticides, metal ions, and other target species. This work presents the development of MIP-based electrochemical sensors for the selective and rapid detection of food additives, namely tartrazine, 4-hexylresorcinol, butylated hydroxy anisole, and brilliant blue FCF. Conducting polymers, metal nanoparticles and 2D material-based electrode modifications have been employed in newlinethe preparation of MIPs for electrochemical sensing applications. Investigations reveal newlinea significant enhancement in the electrochemical oxidation/reduction current of the analytes upon the surface modifications applied to the Carbon Fibre Paper (CFP) substrate. The surface morphology of the modified electrodes was characterized using techniques such as Field Emission Scanning Electron Microscopy (FESEM), Electron Diffraction X-ray (EDX), X-Ray Photoelectron Spectroscopy (XPS), Optical newlineProfilometry, and Fourier Transform Infrared Spectroscopy (FTIR). Nyquist plots newlinedemonstrated the lowest charge transfer resistance at the finally modified working newlineelectrodes compared to other control electrodes. Optimization of experimental newlineconditions, including pH effects, investigation of reaction mechanisms through scan rate variations, determination of the number of cycles required for film newlineelectrodeposition to achieve maximum current response, and determination of the potential window, was carried out using cyclic voltammetry (CV). The quantification newlineof analytes was performed using Differential Pulse Voltammetry (DPV).
Creator
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Ashlay, George
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Author's Submission
Publisher
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Christ(Deemed to be University)
Date
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2023-01-01
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Varghese, Anitha
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Open Access
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PDF
Language
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English
Type
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PhD
Identifier
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<a href="http://hdl.handle.net/10603/547688" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/547688</a>
-
https://archives.christuniversity.in/files/original/0164176c94e8eab97334dbd1580bf59b.pdf
5c94f20b7f63f539fe16d45475303553
Dublin Core
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Title
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Thesis
PhD
PhD Thesis
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Title
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Fabrication of molecularly imprinted electrochemical sensors for food additives /
Subject
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Chemistry
Creator
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Ashlay George - 2071403
Publisher
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CHRIST (Deemed to be University)
Date
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2023-07-08
Language
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English
Type
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PhD
-
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Articles
Article
Faculty Publications -Articles
Dublin Core
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Title
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Fabrication of NiO nanoparticles modified with carboxymethyl cellulose and D-carvone for enhanced antimicrobial, antioxidant and anti-cancer activities
Subject
The topic of the resource
Antibacterial activity; Antioxidant activity; Carboxymethyl cellulose; Colon cancer; D-carvone; HCT-116 cells; NiO nanoparticles
Description
An account of the resource
Colon cancer is a deadly disease while pathogens such as Klebsiella pneumoniae (K. pneumoniae), Shigella dysenteriae (S. dysenteriae), Bacillus subtilis (B. subtilis), Staphylococcus aureus (S. aureus), and Candida albicans (C. albicans) are serious threat to the human health due to their persistent nature and resistant to conventional drugs. This study aims to develop NiO nanoparticles via single one pot chemical approach and to modifying them with natural molecules carboxymethyl cellulose and D-carvone to enhance antioxidant, anticancer and antibacterial activity. The NiO and NiO-CMC-Dcar exhibit fcc structure confirmed by XRD. The band gap values were found be 4.15 eV for NiO and 4.23 eV for NiO-CMC-Dcar nanocomposite. DLS study confirmed that the mean particles diameter of NiO and NiO-CMC-Dcar were 154.1 nm and 130.3 nm respectively. The TEM and SEM analysis confirmed that both NiO and NiO-CMC-Dcar samples were roughly spherical. PL emission spectra of NiO-CMC- Dcar nanoparticles at 426 nm and 506 nm indicate the electronic structural modification due to incorporation of CMC and Dcar molecules in to NiO materials. The green emission observed at 506 nm is due to oxygen vacancy that can be correlated to production of more reactive oxygen species (ROS) to kill microorganism. The experimental results show that the NiO-CMC- Dcar nanoparticles exhibit enhanced antimicrobial, anticancer and antioxidant activity when compared to NiO alone. 2024 Elsevier B.V.
Creator
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Falemban A.H.; Abdel Aziz Ibrahim I.; Bamagous G.A.; Alzahrani A.R.; Shahid I.; Shahzad N.; Hasan Hussein-Al-Ali S.; Arulselvan P.; Thangavelu I.
Source
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Inorganic Chemistry Communications, Vol-171
Publisher
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Elsevier B.V.
Date
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2025-01-01
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<a href="https://doi.org/10.1016/j.inoche.2024.113517" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.inoche.2024.113517</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85209637688&doi=10.1016%2Fj.inoche.2024.113517&partnerID=40&md5=b82e768923e7cf4ce00fd19a54852578" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85209637688&doi=10.1016%2fj.inoche.2024.113517&partnerID=40&md5=b82e768923e7cf4ce00fd19a54852578</a>
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Restricted Access
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ISSN: 13877003; CODEN: ICCOF
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Online
Language
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English
Type
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Article
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Falemban A.H., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Abdel Aziz Ibrahim I., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Bamagous G.A., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Alzahrani A.R., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Shahid I., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Shahzad N., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Hasan Hussein-Al-Ali S., Department of Chemistry, Faculty of Sciences, Isra University, Amman, 11622, Jordan; Arulselvan P., Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 602105, India; Thangavelu I., Department of Chemistry, CHRIST (Deemed to be University), Karnataka, Bangalore, 560029, India
-
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Faculty Publications
Article
Faculty Publications -Articles
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
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Falemban, Alaa H.; Abdel Aziz Ibrahim, Ibrahim; Bamagous, Ghazi A.; Alzahrani, Abdullah R.; Shahid, Imran; Shahzad, Naiyer; Hasan Hussein-Al-Ali, Samer; Arulselvan, Palanisamy; Thangavelu, Indumathi
Title
A name given to the resource
Fabrication of NiO nanoparticles modified with carboxymethyl cellulose and D-carvone for enhanced antimicrobial, antioxidant and anti-cancer activities
Date
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01-01-2025
Source
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Inorganic Chemistry Communications;Volume;171;Issue;;Article No.;113517;
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<a href="https://doi.org/10.1016/j.inoche.2024.113517" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.inoche.2024.113517</a> <br /><br /><a href="https://www.scopus.com/pages/publications/85209637688?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/85209637688?origin=resultslist</a>
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Falemban A.H., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Abdel Aziz Ibrahim I., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Bamagous G.A., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Alzahrani A.R., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Shahid I., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Shahzad N., Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Al-Abidiyah, P.O.Box 13578, Makkah, 21955, Saudi Arabia; Hasan Hussein-Al-Ali S., Department of Chemistry, Faculty of Sciences, Isra University, Amman, 11622, Jordan; Arulselvan P., Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 602105, India; Thangavelu I., Department of Chemistry, CHRIST (Deemed to be University), Karnataka, Bangalore, 560029, India
Description
An account of the resource
Colon cancer is a deadly disease while pathogens such as Klebsiella pneumoniae (K. pneumoniae), Shigella dysenteriae (S. dysenteriae), Bacillus subtilis (B. subtilis), Staphylococcus aureus (S. aureus), and Candida albicans (C. albicans) are serious threat to the human health due to their persistent nature and resistant to conventional drugs. This study aims to develop NiO nanoparticles via single one pot chemical approach and to modifying them with natural molecules carboxymethyl cellulose and D-carvone to enhance antioxidant, anticancer and antibacterial activity. The NiO and NiO-CMC-Dcar exhibit fcc structure confirmed by XRD. The band gap values were found be 4.15 eV for NiO and 4.23 eV for NiO-CMC-Dcar nanocomposite. DLS study confirmed that the mean particles diameter of NiO and NiO-CMC-Dcar were 154.1 nm and 130.3 nm respectively. The TEM and SEM analysis confirmed that both NiO and NiO-CMC-Dcar samples were roughly spherical. PL emission spectra of NiO-CMC- Dcar nanoparticles at 426 nm and 506 nm indicate the electronic structural modification due to incorporation of CMC and Dcar molecules in to NiO materials. The green emission observed at 506 nm is due to oxygen vacancy that can be correlated to production of more reactive oxygen species (ROS) to kill microorganism. The experimental results show that the NiO-CMC- Dcar nanoparticles exhibit enhanced antimicrobial, anticancer and antioxidant activity when compared to NiO alone. 2024 Elsevier B.V.
Subject
The topic of the resource
Antibacterial activity; Antioxidant activity; Carboxymethyl cellulose; Colon cancer; D-carvone; HCT-116 cells; NiO nanoparticles
Publisher
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Elsevier B.V.
Relation
A related resource
ISSN: 13877003; CODEN: ICCOF
Language
A language of the resource
English
Type
The nature or genre of the resource
Article
Rights
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Restricted Access; Hardcopy may be available in the library
Format
The file format, physical medium, or dimensions of the resource
online
-
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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PHD
PhD
PhD Thesis
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Relation
A related resource
61000269
Title
A name given to the resource
Fabrication of Robust Wettability Gradients on Soft Surfaces Through Physicochemical Modulations
Subject
The topic of the resource
Chemistry
Description
An account of the resource
The creation of robust surface gradients on soft materials is an emerging area of research in materials chemistry. Polydimethylsiloxane (PDMS), an elastomeric soft material, is widely employed in diverse research fields due to its exceptional properties including ease of processability, newlinebiocompatibility, and transparency. These properties make it an ideal choice for applications in microfluidics, soft robotics, and biomedical devices. Creating surface gradients on soft surfaces can be challenging, requiring expensive chemicals, sophisticated instrumentation, time, and complex experimental setups. This study presents simple and cost-effective methods newlinefor creating chemical (wettability) and physical (morphological) gradients on newlinePDMS surfaces. The methods we developed to create wettability gradients involves (i) newlinecreation of a gradient of crosslinking density on the PDMS surface by using newlinea differential curing method and (ii) selective inhibition of normal curing newlineusing an inhibitor. Contact angle measurements confirm the successful newlinecreation of both radial and linear gradient of surface wettability using both these methods with regions of higher crosslinking density exhibiting higher hydrophobicity. We have also devised an innovative technique for fabricating morphological gradients on soft surfaces. The method makes use of newlinedifferential curing and buckling instability to create hierarchical wrinkled patterns on the PDMS surface. Optical microscopy and profilometry confirm the uniformity, reproducibility, and controlled optical properties of the wrinkled surface patterns. newlineGradients we prepared demonstrated excellent performance in various applications, including water collection, cell adhesion, and triboelectric charge generation. They can be utilized in microfluidics, sensors, and newlinebiomedical devices due to their structural consistency, controllable physical newlineresponses, and reproducibility of the performances.
Creator
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Soorya, S Raj
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Author's Submission
Publisher
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Christ(Deemed to be University)
Date
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2023-01-01
Contributor
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T P, Vinod
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Open Access
Format
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PDF
Language
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English
Type
The nature or genre of the resource
PhD
Identifier
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<a href="http://hdl.handle.net/10603/545524" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/545524</a>
-
https://archives.christuniversity.in/files/original/279d097e168c14cd8415cd4b8d87e0c1.pdf
34ab7c43e79580e33a61153d3279dd38
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Thesis
PhD
PhD Thesis
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Fabrication of robust wettability gradients on soft surfaces through physicochemical modulations /
Subject
The topic of the resource
Chemistry
Creator
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Soorya S Raj - 1840080
Publisher
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CHRIST (Deemed to be University)
Date
A point or period of time associated with an event in the lifecycle of the resource
2023-04-02
Language
A language of the resource
English
Type
The nature or genre of the resource
PhD
-
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Articles
Article
Faculty Publications -Articles
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Fabrication of silver nanoparticle decorated graphene oxide membranes for water purification, antifouling and antibacterial applications
Subject
The topic of the resource
Antibacterial; Antifouling; Composites; Filtration; Membranes
Description
An account of the resource
The quality of portable water is adversely affected by inadequate wastewater treatment, increase in domestic & industrial waste, and microbial contamination of surface water sources. Purification techniques such as sedimentation, precipitation, filtration, and ion exchange can be employed to recover clean water from various impurities. Among these, membrane-based purification methods have become more appealing in recent years due to its cost-effective and energy-saving features. However, fouling is a ubiquitous problem in membrane-based purification technologies, which leads to reduced water permeation and quality. Present study embodies the development of silver decorated graphene oxide coated nylon membrane with remarkable antibacterial and antifouling properties. Antibacterial analysis of bacteria Staphylococcus aureus and Escherichia coli, validates that higher concentration of silver in GO (GO A500) composites hinder the growth of bacteria. The antifouling properties of GO A500 membrane showed flux recovery ratio of 96 % with irreversible fouling ratio of 3 % during the filtration of BSA (Bovine serum albumin) protein. Further fabricated composite membrane exhibited pure water flux of 46.7 L m?2 h?1 with dye removal rate of 95 %, 88 % and 85 % for Congo red, Rhodamine-B and Methylene blue respectively. Catalytic studies conducted on GO A500 membrane demonstrated the efficacy of their antifouling properties. The investigations revealed that the composite (GO A500) membrane has excellent antibacterial and antifouling properties, making it a suitable option for wastewater treatment applications. 2023 Elsevier B.V.
Creator
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Jose J.K.; Mishra B.; Kootery K.P.; Cherian C.T.; Tripathi B.P.; Sarojini S.; Balachandran M.
Source
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Materials Science and Engineering: B, Vol-297
Publisher
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Elsevier Ltd
Date
A point or period of time associated with an event in the lifecycle of the resource
2023-01-01
Identifier
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<a href="https://doi.org/10.1016/j.mseb.2023.116789" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.mseb.2023.116789</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85166984577&doi=10.1016%2Fj.mseb.2023.116789&partnerID=40&md5=476a452df3ece07ed04637e83cda3fa0" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85166984577&doi=10.1016%2fj.mseb.2023.116789&partnerID=40&md5=476a452df3ece07ed04637e83cda3fa0</a>
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A related resource
ISSN: 9215107; CODEN: MSBTE
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Online
Language
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English
Type
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Article
Coverage
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Jose J.K., Department of Physics and Electronics, CHRIST (Deemed to be university), Karnataka, Bangalore, 560029, India; Mishra B., Department of Materials Science & Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India; Kootery K.P., Department of Life Sciences, CHRIST (Deemed to be university), Karnataka, Bangalore, 560029, India; Cherian C.T., Department of Physics and Electronics, CHRIST (Deemed to be university), Karnataka, Bangalore, 560029, India; Tripathi B.P., Department of Materials Science & Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India; Sarojini S., Department of Life Sciences, CHRIST (Deemed to be university), Karnataka, Bangalore, 560029, India; Balachandran M., Department of Physics and Electronics, CHRIST (Deemed to be university), Karnataka, Bangalore, 560029, India
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Dublin Core
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Title
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Faculty Publications
Article
Faculty Publications -Articles
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Abhaya, N.B.
Title
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Fabrics of Power: Cutting Through the Noise in the Classroom
Date
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01-01-2025
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Social and Health Sciences;Volume;23;Issue;2;Article No.;16865;
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<a href="https://doi.org/10.25159/2957-3645/16865" target="_blank" rel="noreferrer noopener">https://doi.org/10.25159/2957-3645/16865</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105027740133?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105027740133?origin=resultslist</a>
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Abhaya N.B., Christ University, India
Description
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The hijab, purdah and veil though differently named constitute a continuum of meanings shaped by social, cultural and personal contexts. A womans decision to adopt or reject these garments situates her within a shifting spectrum of religious expression and secular alternatives. The volatility of these meanings renders the garments vulnerable to political appropriation, transforming them into contested symbols that are difficult to address pedagogically, therefore becoming a fabric of power. The hijab controversy that unfolded in Karnatakas educational institutions in early 2022 sharpened these complexities, prompting extensive public commentary on the purpose of education, the responsibilities of institutions, and the rhetorics of liberty, secularism, nation and religion. This article examines these commentarial responses ranging from editorials to columns in Kannada and the English media while reflecting on the parallel experience of teaching concepts such as liberty, dissent, secularism and religion during the period of unrest. In doing so, it foregrounds the paradox inherent in the politics of teaching literature, the framing of literature as political, and the pedagogical negotiations required when instruction unfolds within a charged and highly politicised atmosphere. 2025, Unisa Press. All rights reserved.
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educational institutions; hijab/purdah/veil; pedagogy; political appropriation; secularism and religion
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Unisa Press
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ISSN: 29573645;
Language
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English
Type
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Article
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Restricted Access; Hardcopy may be available in the library
Format
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online
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Title
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Book Chapter
Book Chapter
Faculty Publications- Book Chapter
Dublin Core
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Title
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Face and Emotion Recognition from Real-Time Facial Expressions Using Deep Learning Algorithms
Subject
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Deep learning; Emotion recognition; Face recognition; Neural networks
Description
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Emotions are faster than words in the field of humancomputer interaction. Identifying human facial expressions can be performed by a multimodal approach that includes body language, gestures, speech, and facial expressions. This paper throws light on emotion recognition via facial expressions, as the face is the basic index of expressing our emotions. Though emotions are universal, they have a slight variation from one person to another. Hence, the proposed model first detects the face using histogram of gradients (HOG) recognized by deep learning algorithms such as linear support vector machine (LSVM), and then, the emotion of that person is detected through deep learning techniques to increase the accuracy percentage. The paper also highlights the data collection and preprocessing techniques. Images were collected using a simple HAAR classifier program, resized, and preprocessed by removing noise using a mean filter. The model resulted in an accuracy percentage for face and emotion being 97% and 92%, respectively. 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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Monica S.; Roseline Mary R.
Source
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Lecture Notes on Data Engineering and Communications Technologies, Vol-114, pp. 451-460.
Publisher
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Springer Science and Business Media Deutschland GmbH
Date
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2022-01-01
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<a href="https://doi.org/10.1007/978-981-16-9416-5_32" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/978-981-16-9416-5_32</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85133701762&doi=10.1007%2F978-981-16-9416-5_32&partnerID=40&md5=352e655f8168cfd1b76c97392aeb294c" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85133701762&doi=10.1007%2f978-981-16-9416-5_32&partnerID=40&md5=352e655f8168cfd1b76c97392aeb294c</a>
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A related resource
ISSN: 23674512
Format
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Online
Language
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English
Type
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Book chapter
Coverage
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Monica S., CHRIST (Deemed to be University), Bangalore, India; Roseline Mary R., CHRIST (Deemed to be University), Bangalore, India
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Dublin Core
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Title
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Book Chapter
Book Chapter
Faculty Publications- Book Chapter
Dublin Core
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Title
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Face Detection-Based Border Security System Using Haar-Cascade and LBPH Algorithm
Subject
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Border security; Border surveillance; Criminal identification; Face detection; Face recognition; Haar-Cascade classifier; LBPH
Description
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Border security is a process which measures the border management ideas by a country or set of countries to wage against unspecific and unauthorized travel or trade across the country borders, to bound non-legal deport, various crimes combat, and foreclose dangerous criminals from entering in the country. A system will help in keeping a check on those personnels who forge with the legal document with an intension to cross the border. This article discusses about border security of whole Indian context, and there are various such systems which have been built since 2010 as wireless sensor network system named Panchendriya. Remote and instruction manual switch mode arm system using ultrasonic sensor for security of border. This article we have made use of Haar-Cascadian along with LBPH algorithm with their functioning. The result and discussion section we compare most recent face recognition techniques that have been used in the last ten years. The proposed prototype is discussed and shown through simulation model, it provide better result compare to existing model. The proposed Haar-Cascade and LBPH algorithm provide 10% better performance. 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Creator
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Sharma A.; Jayapandian N.
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Lecture Notes in Networks and Systems, Vol-551, pp. 25-38.
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Springer Science and Business Media Deutschland GmbH
Date
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2023-01-01
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<a href="https://doi.org/10.1007/978-981-19-6631-6_3" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/978-981-19-6631-6_3</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85153030739&doi=10.1007%2F978-981-19-6631-6_3&partnerID=40&md5=60a8101528fdb90ad432f0f713e97227" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85153030739&doi=10.1007%2f978-981-19-6631-6_3&partnerID=40&md5=60a8101528fdb90ad432f0f713e97227</a>
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ISSN: 23673370
Format
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Online
Language
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English
Type
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Book chapter
Coverage
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Sharma A., Department of Computer Science and Engineering, CHRIST (Deemed to be University), Kengeri Campus, Bangalore, India; Jayapandian N., Department of Computer Science and Engineering, CHRIST (Deemed to be University), Kengeri Campus, Bangalore, India
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Title
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Faculty Publications
Conference Paper
Faculty Publications- Conference Papers
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Balamurugan, Rahul; Sekar, Kency Taniya Antony; Nandalal, V.; Wu, Congyu Peter
Title
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Face-Based Kinship Verification using Deep Embeddings for Low-Cost Health Record Linkage
Date
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01-01-2025
Source
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2025 IEEE 1st International Conference on Innovations in Engineering and Next-Generation Technologies for Sustainability, ICINVENTS 2025;
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<a href="https://doi.org/10.1109/ICINVENTS64613.2025.11402263" target="_blank" rel="noreferrer noopener">https://doi.org/10.1109/ICINVENTS64613.2025.11402263</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105036966150?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105036966150?origin=resultslist</a>
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Balamurugan R., School of Systems Science and Industrial Engineering, Binghamton University, New York, United States, School of Science, CHRIST, Deemed to be University, Pune, Lavasa, India; Sekar K.T.A., School of Systems Science and Industrial Engineering, Binghamton University, New York, United States; Nandalal V., Electronics and Communication Engineering, Sri Krishna College of Engineering and Technology, Coimbatore, India; Wu C.P., School of Systems Science and Industrial Engineering, Binghamton University, New York, United States
Description
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Precise linkage of health records is essential for continuity of care, reducing duplicate health records, and accurately documenting family medical histories. Genomic testing offers the evidence-based biological 'gold standard' for verifying kinship; however, access to testing is either impossible or unavailable in most low-resourced environments due to prohibitive costs, long timelines, and/or lack of infrastructure. This study provides a low cost and interpretable pipeline for kinship verification in the form of Siamese deep embeddings. The processed facial image embeddings produced by a ResNet-18 backbone using 256-dimensional and L2-normalized embeddings, are then compared using cosine similarity. A validation-based calibration process selects the logit polarity and decision threshold that support stable deployment decisions. Grad-CAM visualizations can be interpreted frame-by-frame and allow for pair-specific attributions of faces that were more relevant or important in decisions of similarity. In experiments on the Families in the Wild (FIW) dataset (family-disjoint splits), we report ROC-AUC of 0.834, target balanced accuracy of ?0.88, with similar precision, recall, and specificity. The confusion matrices also illustrate a near symmetric distribution of errors by family and both Grad-CAM explanations highlight how the model came to a decision for true cases and hard cases. The above results illustrate how we can deploy a lightweight, explainable, and face-based kinship verification pipeline on a CPU-only system. Our study therefore provides a feasible assistive tool for health record linkage where genomic validation is not possible. 2025 IEEE.
Subject
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deep learning; face embeddings; health record linkage; healthcare informatics; Kinship verification
Publisher
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Institute of Electrical and Electronics Engineers Inc.
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ISBN: 979-833155662-4;
Language
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English
Type
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Conference paper
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Restricted Access; Hardcopy may be available in the library
Format
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online