48
20
16481
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PHD
PhD
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61000292
Title
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Modified Carbon-Based Composites and Their Electrochemical Studies
Subject
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Chemistry
Description
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Energy storage has emerged as the world's most important issue, attracting the focus of researchers and commercial developers due to the economy's rapid growth and the rise
in the usage of portable electronics and electronic vehicles. These devices make it possible to efficiently capture and store the excess energy produced during times of high
generation, so that it can be used when there is little or no generation. Devices for storing renewable energy contribute to grid stability and lessen the reliance on fossil fuel-based
power plants. Moreover, they contribute to the decarbonization of the energy industry, mitigating climate change, and promoting a sustainable future. This thesis explores the
potential of modified carbon-based composites as advanced materials for energy storage applications particularly supercapacitors and solar thermal fuels. The research focuses
on the careful design and synthesis of ternary composites, incorporating carbonaceous materials such as carbon nanotubes, graphene oxide, and graphitic carbon nitrides, metal
sulphides, nitrogen rich moieties, and conductive additives like polyaniline and polypyrrole. A wide variety of methodologies were used to describe the structural and
morphological characteristics of the composite materials. Thermogravimetric analysis, Fourier transform infrared spectroscopy, X-ray diffraction, Raman spectroscopy, X-ray
photoelectron spectroscopy, scanning electron microscopy, and other techniques were used. These methods gave important information about the composite materials' chemical structure, type of bonding and arrangements, surface morphology, and thermal stability. Electrochemical techniques, such as cyclic voltammetry, galvanostatic charge-discharge, and electrochemical impedance spectroscopy, have been extensively employed to investigate the performance and behaviour of supercapacitor electrodes and devices. The results demonstrate significant improvements in electrochemical performance, including enhanced specific capacitance, excellent cycling stability, and remarkable rate capability. These findings indicate that the modified carbon-based ternary composites hold promise for high-performance energy storage devices. Ultimately, this research contributes to the development of next-generation energy storage technologies, offering more efficient and sustainable solutions for storing energy.
Creator
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Anjana, Baby
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Author's Submission
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Christ(Deemed to be University)
Date
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2023-01-01
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P B, Sreeja
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Open Access
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PDF
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English
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PhD
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<a href="http://hdl.handle.net/10603/547687" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/547687</a>
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PHD
PhD
PhD Thesis
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61000110
Title
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Studey of different types of modulations on double diffusive convection in lodroyd-b liquids
Subject
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Mathematics and Statistics
Description
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The problem aims to find the effects of temperature modulation in viscoelastic newlinefluids namely Oldroyd B liquids subjected to double diffusive convection. Both linear as well as a non-linear study has been carried out. A regular perturbation technique has been employed to determine the correction Rayleigh number. The results show that the Lewis number and strain retardation parameter induces stability to the system whereas stress relaxation parameter destabilizes the system for synchronous modulation. Truncated Fourier series represents the non-linear newlineanalysis. Mean Nusselt number and mean Sherwood number are used to quantify the newlineheat and mass transfer respectively. Strain retardation parameter and the Lewis number decrease the heat and mass transfer for synchronous modulation while stress relaxation parameter increases them. The opposite results are obtained for newlineasynchronous and lower wall modulations. Modulation is shown mostly to give rise newlineto super critical motion.
Creator
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Anjana, K.
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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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Vanishree, R K
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Open Access
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PDF
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English
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PhD
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<a href="http://hdl.handle.net/10603/244973" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/244973</a>
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Faculty Publications
Book Chapter
Faculty Publications- Book Chapter
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Anjli; Baber, Ruturaj
Title
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Digital transformation and sustainability in the age of industry 5.0: A strategic framework for business success
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01-01-2025
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Practical Frameworks for New-Age Digitalization Business Strategy;pp.163-206
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<a href="https://doi.org/10.4018/979-8-3373-2018-2.ch006" target="_blank" rel="noreferrer noopener">https://doi.org/10.4018/979-8-3373-2018-2.ch006</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105011434107?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105011434107?origin=resultslist</a>
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Anjli, Christ University, Ghaziabad, India; Baber R., Christ University, Ghaziabad, India
Description
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The fusion of digitalization and sustainability drives changes in retail operations during traditional purchases and e-commerce operations thus creating 5IR business models. 5IR establishes human-centered priorities as essential aspects along with automated systems and big databases. Modern e-commerce development has created new market space yet it struggles with serious environmental issues which are coupled with supply chain ethical problems as well as excessive carbon footprint and excessive packaging waste. The analysis studies how digitalization transforms retail operations and e-commerce by introducing sustainability elements in new business models. The segment evaluates the digitalization difficulties linked to data protection and environmental destruction through examination of modern efficiencies which combine organizational performance with social accountability. Analysis of present industrial trends along with case studies delivers business understanding about sustainable digital strategizing for long-term achievement through current market changes. 2026, IGI Global Scientific Publishing.
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IGI Global
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ISBN: 979-833732020-5; 979-833732018-2;
Language
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English
Type
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Book chapter
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https://archives.christuniversity.in/files/original/d231ad3b0fe351a55f93789432793721.pdf
30c2f475366fdc4084b016a3337d9e34
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Title
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MPHIL
Mphil
Mphil Thesis
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Title
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Parent Adolescent Communication in relation to Personality Type and Suicidal Ideation among Adolescents
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Anju S
Date
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2018
Description
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he purpose of the current study is to investigate parent adolescent communication in relation to personality type and suicidal ideation among adolescents. In step with World health organisation (2012), suicide is currently amongst the third leading reason of death among adolescents. The objective of the research is (a) To analyze if there is any relationship between parent-adolescent communication, big five personality trait, and suicidal ideation; (b) To analyze how the mother-adolescent communication moderates the big five personality trait and suicidal ideation in adolescents; (c) To analyze how the father-adolescent communication moderates the big five personality trait and suicidal ideation in adolescents; (d) To analyze if there is any significant gender difference on suicidal ideation. The study was quantitative in nature; with correlational research design. The target population were adolescents from various academic institutes in Kerala. The sample consists of 300 adolescents. Convenience sampling method was used to select participants. The tools used were Parent Adolescent Communication Scale (Olson, 1985), Big Five Personality Inventory (Cattell, 1960) and Beck???s Suicidal Ideation Scale (Beck, 1979). Data analysis used were Spearman???s rank order correlation, moderation analysis and Mann Whitney U test. The results were as follows: there was significant relationship between parent adolescent communication, personality type and suicidal ideation. Problems in mother adolescent communication shows a moderating role on extraversion. Openness of mother adolescent communication has a moderating role on openness to experience. Family or communication between mother and father plays a totally essential position in shaping the personality and mental health among adolescents
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Title
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Articles
Article
Faculty Publications -Articles
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Title
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Unveiling the Dual Potential of the MoS2@VS2 Nanocomposite as an Efficient Electrocatalyst for Hydrogen and Oxygen Evolution Reactions
Subject
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2D materials; density functional theory; electrocatalysts; hydrogen evolution reaction; oxygen evolution reaction
Description
An account of the resource
Clean and reliable energy sources are essential amidst growing environmental concerns and impending energy shortages. Creating efficient and affordable catalysts for water splitting is a challenging yet viable option for renewable energy storage. Traditional platinum-based catalysts, while highly active, are quite expensive. Our study introduces two-dimensional (2D) MoS2@VS2 nanocomposites, developed using hydrothermal technique, as a bifunctional catalyst for the electrolysis of water into valuable products. Structural studies revealed the formation of MoS2@VS2 nanocomposites with a nanoflake-like structure, where MoS2 nanosheets grow on the VS2 surface. This 2D-based electrocatalyst demonstrated exceptional reaction kinetics, with low overpotentials of 265 mV for the hydrogen evolution reaction (HER) and 300 mV for the oxygen evolution reaction (OER) at 10 mA/cm2. Furthermore, the electrocatalyst displayed small Tafel slopes of 65 mV/dec and 103 mV/dec for HER and OER, respectively, along with excellent stability. The unprecedented catalytic activity stems from the synergistic effect between semiconducting MoS2 and metallic VS2. Density functional theory calculations confirmed that this synergy enhances the electrical conductivity, facilitating efficient electron transfer during the reaction and providing an abundance of exposed active sites. These results mold MoS2@VS2 nanocomposites as promising electrocatalysts for overall water splitting, paving the way for sustainable energy future. 2024 American Chemical Society.
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Anju J.S.; Chacko L.; Sruthi T.; Gopika P.; Mathew V.; Aneesh P.M.
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ACS Applied Energy Materials, Vol-7, No. 23, pp. 11184-11194.
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American Chemical Society
Date
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2024-01-01
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<a href="https://doi.org/10.1021/acsaem.4c02504" target="_blank" rel="noreferrer noopener">https://doi.org/10.1021/acsaem.4c02504</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85209723774&doi=10.1021%2Facsaem.4c02504&partnerID=40&md5=0bb2251be04ee3ae978d57198621e476" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85209723774&doi=10.1021%2facsaem.4c02504&partnerID=40&md5=0bb2251be04ee3ae978d57198621e476</a>
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Restricted Access
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ISSN: 25740962
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Online
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English
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Article
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Anju J.S., Department of Physics, Central University of Kerala, Kasaragod, Kerala, Periye, 671320, India; Chacko L., Department of Physics and Electronics, CHRIST (Deemed to be University), Karnataka, Bangalore, 560029, India; Sruthi T., Department of Physics, Central University of Kerala, Kasaragod, Kerala, Periye, 671320, India; Gopika P., Department of Physics, Central University of Kerala, Kasaragod, Kerala, Periye, 671320, India; Mathew V., Department of Physics, Central University of Kerala, Kasaragod, Kerala, Periye, 671320, India; Aneesh P.M., Department of Physics, Central University of Kerala, Kasaragod, Kerala, Periye, 671320, India
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Reviews
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Review of Geopolymer Composites Synthesized Using Different Industrial By-products
Subject
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Alkaline activator; Geopolymers; Industrial waste; Soil stabilizer; Unconfined compressive strength
Description
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Managing the substantial volume of industrial waste is challenging due to diminishing landfill capacity and associated risks to people and the environment. The optimal approach is to repurpose or find alternative applications for these waste products. Previous studies have investigated using industrial waste and chemicals to enhance soil stability. Common binders like cement, while offering significant stabilization potential, raise concerns about economic feasibility and environmental impact. Recently, theres a growing interest in low carbon emission cementing agents. This trend leads to using waste by-products for geopolymer binder production, potentially strengthening soft soil in an eco-friendly way. Unconfined compressive strength, vital in construction foundation design, has been a focus of extensive research to enhance soil strength over the years. This paper provides a brief overview of several studies that highlight the utilization of various industrial waste products in the synthesis of geopolymers. Also, this comprehensive review centers on investigations related to the application of geopolymers derived from industrial solid waste as a soil stabilizer. The review delves into the impact of various parameters, including different percentage mixes (%), molarity (M), temperature (T), curing time (days), on the unconfined compressive strength of the soil. It has been observed that, a variety of industrial by-products like Bagasse ash (BA), Blast furnace slag (BFS), Egg shell powder (ESP), Fly ash (FA), Ground Granulated Blast Furnace Slag (GGBS), Iron Ore Tailings (IOT), Metakaolin (MK), Palm Oil Fuel Ash (POFA), Recycled Asphalt Pavement (RAP), Rice husk ash (RHA), Red Mud (RM), etc. can serve as valuable source materials for geopolymerization. In most of the studies, the commonly utilized alkaline activator consists of a blend of sodium hydroxide and sodium silicate solution. The unconfined compressive strength of geopolymerized industrial waste products relies on specific parameters, including optimal alkaline concentration, activator liquid to raw material mass ratio, and sodium silicate to sodium hydroxide solution ratio. Diverse curing conditions are also necessary, varying with raw materials and activators. The Author(s), under exclusive licence to Chinese Society of Pavement Engineering 2024.
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Anju M.J.; Beulah M.; Varghese A.
Source
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International Journal of Pavement Research and Technology
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Springer
Date
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2024-01-01
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<a href="https://doi.org/10.1007/s42947-024-00446-8" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s42947-024-00446-8</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85196864990&doi=10.1007%2Fs42947-024-00446-8&partnerID=40&md5=952b9fec6b48be82364457ffe001162a" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85196864990&doi=10.1007%2fs42947-024-00446-8&partnerID=40&md5=952b9fec6b48be82364457ffe001162a</a>
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Restricted Access
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ISSN: 19966814
Format
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Online
Language
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English
Type
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Review
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Anju M.J., CHRIST (Deemed to Be University), Bangalore, India; Beulah M., CHRIST (Deemed to Be University), Bangalore, India; Varghese A., Jyothi Engineering College, Thrissur, Cheruthuruthy, India
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Faculty Publications
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Anju, Jayachandran Sindhu; Chacko, Levna; Kenguruse, Neingutoulie Neipedenuo; Sanal, Kozhiparambil Chandran; Pineda-Aguilar, Nayely; Aneesh, Pacheri Madathil
Title
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Tuning the Electrocatalytic Properties of VO2(B): Role of W Doping in Bifunctional Water Splitting
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01-01-2025
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Advanced Sustainable Systems;Volume;9;Issue;12;Article No.;e00344;
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<a href="https://doi.org/10.1002/adsu.202500344" target="_blank" rel="noreferrer noopener">https://doi.org/10.1002/adsu.202500344</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105018520213?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105018520213?origin=resultslist</a>
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Anju J.S., Department of Physics, Central University of Kerala, Periye, Kerala, Kasaragod, 671325, India; Chacko L., Department of Physics and Electronics, Christ University, Karnataka, Bangalore, 560029, India; Kenguruse N.N., Department of Physics, Central University of Kerala, Periye, Kerala, Kasaragod, 671325, India; Sanal K.C., Facultad de Ciencias Quicas, Universidad Automa de Nuevo Leon, San Nicolas de los Garza, 66455, Mexico; Pineda-Aguilar N., Centro de Investigaci en Materiales Avanzados, S.C. (CIMAV), Subsede Monterrey, Parque de Investigaci e Innovaci on Tecnolica, Apodaca, 66600, Mexico; Aneesh P.M., Department of Physics, Central University of Kerala, Periye, Kerala, Kasaragod, 671325, India
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Vanadium-based systems have evoked considerable interest in researchers due to their potential for advanced renewable energy technologies. However, the possibilities of VO2(B) as an electrocatalyst for water splitting are yet to be explored, even though it is an excellent candidate as an electrode material for various batteries. In this work, the bifunctionality of VO2(B) is investigated in overall water electrolysis, focusing on its enhanced catalytic activity when doped with transition metal atoms such as tungsten (W). Hydrothermally synthesized W-doped VO2(B) nanoflakes demonstrate superior hydrogen evolution (HER) and oxygen evolution reactions (OER), confirming this enhanced catalytic activity. For an optimal W doping, the overpotential values decreased from 518 to 335mV and 435 to 348mV for hydrogen evolution and oxygen evolution, respectively. These observations are supported by the lowest Tafel slope values of 115 and 74mVdec?1 for HER and OER, respectively, and the lowest charge transfer resistance of 47 ?. The excellent stability of the nanostructures revealed by the chronopotentiometry demonstrates their reliable performance over extended periods. Together, these findings highlight that W-doped VO2(B) nanostructures are highly effective candidates as electrocatalysts for overall water-splitting applications. 2025 Wiley-VCH GmbH.
Subject
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doping; electrocatalyst; hydrogen evolution reaction; overall water splitting; oxygen evolution reaction; vanadium dioxide
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John Wiley and Sons Inc
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ISSN: 23667486;
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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Faculty Publications
Article
Faculty Publications -Articles
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Anju, M.J.; Beulah, M.; Varghese, Alwyn
Title
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Enhancing the Strength of Geopolymer Composites Synthesized from Iron Ore Tailings and Fly Ash for Use as Subgrade Material in Pavement Construction
Date
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01-01-2026
Source
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International Journal of Pavement Research and Technology;
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<a href="https://doi.org/10.1007/s42947-026-00738-1" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s42947-026-00738-1</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105034675348?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105034675348?origin=resultslist</a>
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Anju M.J., Christ (Deemed to Be University), Bangalore, India; Beulah M., Christ (Deemed to Be University), Bangalore, India; Varghese A., Jyothi Engineering College, Thrissur, Cheruthuruthy, India
Description
An account of the resource
As the idea of sustainable pavement becomes more important, an increasing number of industrial waste products and recycled materials are being used in the pavement industry to conserve natural resources. This study evaluates the potential use of iron ore tailings (IOT) blended with fly ash (FA) and activated with NaOHNa?SiO? solutions as a liquid alkaline activator (L) to synthesise IOT-FA geopolymers, which can be used as a sustainable material for the pavement subgrade layer. The influence of FA replacement levels and alkaline activator ratios on the geotechnical and microstructural behaviour of IOT was examined through compaction, unconfined compressive strength (UCS), and California bearing ratio (CBR) tests, supported by Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD) analyses. The results show that 20% FA replacement gives the optimal mix, resulting in a 28-day UCS improvement of over four times that of untreated IOT due to enhanced geopolymerization. The liquid alkaline-activated mixes achieved CBR values of ? 8, meeting IRC requirements for subgrade applications. SEM analysis revealed dense gel formation and improved particle bonding, while XRD results indicate the development of geopolymeric reaction products. TCLP results indicate that metal leaching remained within permissible limits, establishing the environmental safety of the developed composite. The thickness of the pavement layer was designed using IITPAVE software based on CBR values and assessed against IRC:372018 criteria. The analysis indicated a reduction in layer thickness for various daily commercial vehicle counts ie, CVPD (450,1000), across all evaluated combinations. Overall, the study demonstrates that alkaline-activated IOTFA mixtures offer a technically viable and sustainable alternative for pavement subgrade construction. Chinese Society of Pavement Engineering 2026.
Subject
The topic of the resource
Fly ash; Geopolymer; Iron ore tailing; Leachate; Pavement design; Subgrade material; Waste management
Publisher
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Springer
Relation
A related resource
ISSN: 19966814;
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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Articles
Article
Faculty Publications -Articles
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Title
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Template-based classification of SDSS-GALEX point sources
Subject
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photometric classification; point-sources; QSOs; SDSS-GALEX; SED fitting; UV-optical photometry
Description
An account of the resource
We have classified a sample of 37,492 objects from SDSS into QSOs, galaxies and stars using photometric data over five wave bands (u, g, r, i and z) and UV GALEX data over two wave bands (near-UV and far-UV) based on a template fitting method. The advantage of this method of classification is that it does not require any spectroscopic data and hence the objects for which spectroscopic data is not available can also be studied using this technique. In this study, we have found that our method is consistent by spectroscopic methods given that their UV information is available. Our study shows that the UV colours are especially important for separating quasars and stars, as well as spiral and starburst galaxies. Thus it is evident that the UV bands play a crucial role in the classification and characterization of astronomical objects that emit over a wide range of wavelengths, but especially for those that are bright at UV. We have achieved the efficiency of 89% for the QSOs, 63% for the galaxies and 84% for the stars. This classification is also found to be in agreement with the emission line diagnostic diagrams. 2018, Indian Academy of Sciences.
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Anjum A.; Das M.; Murthy J.; Gudennavar S.B.; Gopal R.; Bubbly S.G.
Source
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Journal of Astrophysics and Astronomy, Vol-39, No. 5
Publisher
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Springer
Date
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2018-01-01
Identifier
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<a href="https://doi.org/10.1007/s12036-018-9552-3" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s12036-018-9552-3</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85053881028&doi=10.1007%2Fs12036-018-9552-3&partnerID=40&md5=b4ede5abebb6aeb4486002b94e059d3f" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85053881028&doi=10.1007%2fs12036-018-9552-3&partnerID=40&md5=b4ede5abebb6aeb4486002b94e059d3f</a>
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ISSN: 2506335
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Online
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English
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Article
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Anjum A., Department of Physics and Electronics, CHRIST (Deemed to be University), Bengaluru, 560 029, India; Das M., Indian Institute of Astrophysics, II Block, Kormamangala, Bengaluru, 560 034, India; Murthy J., Indian Institute of Astrophysics, II Block, Kormamangala, Bengaluru, 560 034, India; Gudennavar S.B., Department of Physics and Electronics, CHRIST (Deemed to be University), Bengaluru, 560 029, India; Gopal R., Department of Physics, CMR Institute of Technology, Bengaluru, 560 037, India; Bubbly S.G., Department of Physics and Electronics, CHRIST (Deemed to be University), Bengaluru, 560 029, India
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Reviews
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Title
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Mid-infrared variability of ?-ray emitting blazars
Subject
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BL Lacertae objects: general; Galaxies: active; Galaxies: jets; Infrared: galaxies
Description
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Using data from the Wide-field Infrared Survey Explorer, we studied the mid-infrared (mid-IR) 3.4 ?m (W1-band) and 4.6 ?m (W2-band) flux variability of ? -ray emitting blazars. Our sample consists of 460 flat spectrum radio quasars (FSRQs) and 575 BL Lacertae (BL Lac) objects. On intraday time-scales, the median amplitude of variability (? m) for FSRQs is 0.04+0.03?0.02 and 0.05+0.03?0.02 mag in W1 and W2 bands. For BL Lacs, we found median ? m in W1(W2) bands of 0.04+0.01?0.02 (0.04+0.02?0.02) mag. On long time-scales, for FSRQs we found a median ? m of 0.44+0.28?0.27 and 0.45+0.27?0.27 mag in W1 and W2 bands, while for BL Lacs, the median values are 0.21+0.18?0.12 and 0.22+0.18?.011 mag in W1 and W2 bands. From statistical tests, we found FSRQs to show larger ? m than BL Lacs on both intraday and long time-scales. Among blazars, low synchrotron peaked sources showed larger ? m compared to intermediate synchrotron peaked and high synchrotron peaked sources. The larger ? m seen in FSRQs relative to BL Lacs on both intraday and long time-scales could be due to them having the most powerful relativistic jets and/or their mid-IR band coinciding with the peak of the electron energy distribution. BL Lacs have low power jets and the observational window too traces the emission from low-energy electrons, thereby leading to low ? m. In both FSRQs and BL Lacs predominantly a bluer when brighter behaviour was observed. No correlation is found between ? m and black hole mass. 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society
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Anjum A.; Stalin C.S.; Rakshit S.; Gudennavar S.B.; Durgapal A.
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Monthly Notices of the Royal Astronomical Society, Vol-494, No. 1, pp. 764-774.
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Oxford University Press
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2020-01-01
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<a href="https://doi.org/10.1093/mnras/staa771" target="_blank" rel="noreferrer noopener">https://doi.org/10.1093/mnras/staa771</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85085391213&doi=10.1093%2Fmnras%2Fstaa771&partnerID=40&md5=f1d3e627a2f4df4a3b5e279a8112fb05" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85085391213&doi=10.1093%2fmnras%2fstaa771&partnerID=40&md5=f1d3e627a2f4df4a3b5e279a8112fb05</a>
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All Open Access; Green Open Access
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ISSN: 358711; CODEN: MNRAA
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Online
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English
Type
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Review
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Anjum A., Department of Physics and Electronics, CHRIST (Deemed to be University), Bangalore Central Campus, Bengaluru, 560029, India; Stalin C.S., Indian Institute of Astrophysics, Block II, Koramangala, Bengaluru, 560034, India; Rakshit S., Finnish Centre for Astronomy with ESO (FINCA), University of Turku, Quantum, Vesilinnantie 5, Turku, FI-20014, Finland; Gudennavar S.B., Department of Physics and Electronics, CHRIST (Deemed to be University), Bangalore Central Campus, Bengaluru, 560029, India; Durgapal A., Center of Advanced Study, Department of Physics, D. S. B. Campus, Kumaun University, Nainital, 263002, India
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Articles
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Title
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Digital Marketing Strategies: Effectiveness on Generation Z
Subject
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Content Marketing; Digital Marketing Strategies; Generation Z; Personalized Marketing; Push Notification; Social Media Marketing
Description
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The paper examines the constructs of digital marketing strategies on two aspects. Exploring the numerous digital marketing strategies related to Generation Z through a comprehensive desk review and archival research and confirming the explored factors to create a valid and measurable instrument.It is important to quantify and develop a scale to measure the effectiveness of digital marketing strategies on Generation Z. The first section of the study is exploratory factor analysis (EFA), establishing the effectiveness of digital marketing strategies on Generation Z. The second section deals with Confirmatory Factor Analysis (CFA), confirming the factors coined through exploratory factor analysis. The dimensions identified in the research can help marketers create exclusive digital marketing strategies to target Generation Z. 2020 SCMS Group of Educational Institutions. All rights reserved.
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Anjum A.; Thomas M.R.; Prakash P.K.
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SCMS Journal of Indian Management, Vol-17, No. 2, pp. 54-69.
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SCMS Group of Educational Institutions
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2020-01-01
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<a href="" target="_blank" rel="noreferrer noopener"></a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85093087889&partnerID=40&md5=4b311050bbd0ec405eb023fe07fec14e" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85093087889&partnerID=40&md5=4b311050bbd0ec405eb023fe07fec14e</a>
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ISSN: 9733167
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Online
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English
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Article
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Anjum A., Department of Commerce, CHRIST (Deemed to be University), India; Thomas M.R., Department of Commerce, CHRIST (Deemed to be University), India; Prakash P.K., Department of Commerce, CHRIST (Deemed to be University), India
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https://archives.christuniversity.in/files/original/5fc2a39bb9a7cc6d6953d3160a556f00.pdf
a7c0514f016011f3c930c4423b524e07
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PhD
PhD Thesis
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Title
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Classification of extragalactic point sources and flux variability characteristics of blazars
Subject
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Physics
Description
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Classification of different types of astronomical objects in large surveys usually done through spectroscopy requires enormous amounts of time. Hence, many attempts have been made using broad band photometric magnitudes and spectroscopic observations to classify the sources, particularly extragalactic sources such as active galactic nuclei (AGNs), starburst galaxies and normal galaxies. However, a method which does not involve spectroscopic data would be ideal.
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Anjum, Ayesha - 1445203
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CHRIST (Deemed to be University)
Language
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English
Type
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PhD
-
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PHD
PhD
PhD Thesis
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61000146
Title
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Classification of extragalactic point sources and flux variability characteristics of blazars
Subject
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Physics and Electronics
Description
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Classification of different types of astronomical objects in large surveys usually done through spectroscopy requires enormous amounts of time. Hence, many attempts have been made using broad band photometric magnitudes and spectroscopic observations to classify the sources, particularly extragalactic sources such as active galactic nuclei (AGNs), starburst galaxies and newlinenormal galaxies. However, a method which does not involve spectroscopic data would be ideal. With this in view, in this work we have made an effort to classify a sample of 37,492 point sources into Quasi-Stellar Objects (QSOs), galaxies and stars using template fitting technique and multiwavelength photometric magnitudes from the Sloan Digital Sky Survey (SDSS) and newlinethe Galaxy Evolution Explorer (GALEX) with coverage from the optical (z: 8931 to the far ultraviolet (FUV: 1516 . Templates for QSOs, galaxies and stars were used to fit the data of the objects to the seven photometric bands of SDSS and GALEX. The results were compared with SDSS spectroscopic classification. Two UV bands (NUV and FUV) were included to remove the possible degeneracies in the classification based only on optical bands or in color-color method. UV bands play a crucial role in the classification and characterization of astronomical objects that emit over a wide range of wavelengths, especially for those that are bright at UV. Classification using template fitting method is consistent with spectroscopic methods, provided UV information of the objects is available. UV bands are particularly important for separating quasars and stars, as well as spiral and starburst galaxies. We have achieved the efficiency of 89% for QSOs, 63% for galaxies and 84% for stars. Objects for which spectroscopic data is not available can also be classified using this method which does not require spectroscopic information.
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Anjum, Ayesha.
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Author's Submission
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Christ(Deemed to be University)
Date
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2021-01-01
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Gudennavar, Shivappa B
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Open Access
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PDF
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English
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PhD
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<a href="http://hdl.handle.net/10603/338926" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/338926</a>
-
https://archives.christuniversity.in/files/original/e5b995ff76e0e70deccdc7f7f8734197.pdf
56007732f01452ed648005d886574941
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PhD
PhD Thesis
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QSRP studies of chemical compounds using topological indices /
Subject
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Mathematics
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Anjusha Asok - 1881504
Publisher
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CHRIST (Deemed to be University)
Date
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2024-07-19
Language
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English
Type
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PhD
-
Dublin Core
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Title
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PHD
PhD
PhD Thesis
Dublin Core
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61000336
Title
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QSRP Studies of Chemical Compunds Using Topological Indices
Subject
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Mathematics and Statistics
Description
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In this study, we explore the intersection of graph theory and chemistry, focusing on how graph theory s principles can model molecular structures and predict their physiochemical properties. Specifcally, it applies topological indices (mathematical descriptors) derived from the graph-theoretic representation of molecules to establish quantitative structure-property relationships (QSPR) for octane isomers and polychlorobiphenyls. The investigation encompasses 30 topological indices, including the Harary, Wiener, Zagreb, and connectivity indices, and assesses their correlation with key physiochemical properties. Through rigorous analysis, the study successfully develops QSPR models capable of predicting properties like BP, HVAP, DHVAP, HFORM, AcenFac, TSA, and RRT signifcantly advancing newlinethe predictive accuracy of chemical properties. The study of inverse problems about topological indices and QSPR is a testament to the interdisciplinary nature of modern scientifc research, bridging gaps between mathematics, chemistry, and computer science. Inverse problems in graph theory newlinehold a special place due to their capacity to address fundamental questions about the structure and behavior of graphs based on given properties. They are often more complex and challenging than direct problems. The study of inverse problems in our research contributes to the theoretical foundations of chemical graph theory by characterizing trees and unicyclic graphs with specifc topological indices and oand#64256;ering novel insights into the inverse problem for Zagreb indices. The newlineinclusion of Python programs for calculating various topological indices further bridges theoretical chemistry with practical application, highlighting the thesis s newlineaim to enhance both the efciency and accuracy of predicting chemical compound properties. This work not only demonstrates the profound impact of graph theory on chemical informatics but also opens new avenues for research in the feld.
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Anjusha, Asok
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Author's Submission
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Christ(Deemed to be University)
Date
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2024-01-01
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Joseph, Varghese
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Open Access
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PDF
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English
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PhD
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<a href="http://hdl.handle.net/10603/574689" target="_blank" rel="noreferrer noopener">http://hdl.handle.net/10603/574689</a>
-
https://archives.christuniversity.in/files/original/e256bbb64ac63fba4da5b2f1788ddf1d.pdf
0039f779db47ada0d75af39f116da5a2
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Title
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MPHIL
Mphil
Mphil Thesis
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Title
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STRESS IN RELATION TO ACADEMIC ACHIEVEMENT OF XTH STANDARD STUDENTS OF SOUTH BANGALORE
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ankani Pinky N
Date
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2015
Source
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M A Education
-
https://archives.christuniversity.in/files/original/a0bc9bb300e9f73b89b773a07fe8f47c.pdf
821a21a08fc0d7ae28c0c16937932258
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Title
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Thesis
PhD
PhD Thesis
Dublin Core
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Title
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Impact of behavioural biases emotional intelligence and financial literacy on financial behaviour /
Subject
The topic of the resource
Management
Creator
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Ankita Mulasi - 1720073
Publisher
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CHRIST (Deemed to be University)
Date
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2024-07-18
Language
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English
Type
The nature or genre of the resource
PhD
-
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Title
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Articles
Article
Faculty Publications -Articles
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Title
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Unlocking the Antimicrobial, Antifungal, and Anticancer Power of Chitosan-Stabilized Silver Nanoparticles
Subject
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Candida; Chitosan-stabilized silver nanoparticles; Green synthesis; MDA-MB-231 cells; Mycobacterium
Description
An account of the resource
Silver nanoparticles (AgNPs) have become a research focus due to its antimicrobial, anticancer applications and cost-effective properties. In this study the effectiveness of green synthesis of NPs using biological macromolecule chitosan which isacting as a reducingcum stabilizing agent is carried out. An in-depth analysis of the synthesized AgNPs was conducted using a variety of sophisticatedcharacterization techniques such as UV-visible spectroscopy, particle size analysis, zeta potentialmeasurements, transmission electron microscopy (TEM), photoluminescence, and Fourier transform infrared (FTIR) spectroscopy. The antimicrobialactivity of the formulated AgNPs were inspected against two human pathogenic strains. In the antimicrobial activity, the synthesized AgNPs exhibited a reduction in the growth of both themicrobes. The minimum inhibitory concentration (MIC) of 1.22 M was observed for both Candida albicans and Mycobacterium smegmatis. Consequently, AgNPs may be used as an opportunity for modern-day antibiotics to treat infections due to human pathogens. Antiproliferative analysis revealed that AgNPs showed antiproliferative characteristics against MDA-MB-231 cells compared to the control. Such AgNPs have an anticancer effect and are likely to be used as smart drug delivery mediators to treat late-stage cancer. 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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Ann Maria C.G.; Agnihotri A.S.; Fatima T.; Hameed S.; Krishnamoorthy G.; Nidhin M.
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BioNanoScience, Vol-13, No. 4, pp. 1933-1943.
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Springer
Date
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2023-01-01
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<a href="https://doi.org/10.1007/s12668-023-01218-7" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s12668-023-01218-7</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85174939109&doi=10.1007%2Fs12668-023-01218-7&partnerID=40&md5=35b3df4c52351d6272a9d7af0dbf3e68" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85174939109&doi=10.1007%2fs12668-023-01218-7&partnerID=40&md5=35b3df4c52351d6272a9d7af0dbf3e68</a>
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Restricted Access
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ISSN: 21911630
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Online
Language
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English
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Article
Coverage
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Ann Maria C.G., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India; Agnihotri A.S., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India; Fatima T., Amity Institute of Biotechnology, Amity University Haryana, Amity Education Valley, Gurugram, 122413, India; Hameed S., Amity Institute of Biotechnology, Amity University Haryana, Amity Education Valley, Gurugram, 122413, India; Krishnamoorthy G., Muthayammal Centre for Advanced Research (MCAR) & Department of Biochemistry, Muthayammal College of Arts and Science (Affiliated to Periyar University, Salem), Namakkal District, Tamil Nadu, Rasipuram, 637408, India; Nidhin M., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India
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Articles
Article
Faculty Publications -Articles
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Ion-imprinted chitosan-stabilized biogenic silver nanoparticles for the electrochemical detection of arsenic (iii) in water samples
Description
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Arsenic is one of the most harmful heavy metals, and needs constant monitoring and control. A susceptible and selective sensor for arsenic (iii) detection in polluted water samples has been developed by using chitosan-stabilized silver nanoparticles (AgNPs). A glassy carbon electrode (GCE) is modified with chitosan-stabilized silver nanoparticles, which provides sufficient sites for interaction with the analyte. The synthesized silver nanoparticles are characterized using different characterization techniques, such as UV-Visible spectroscopy, transmission electron spectroscopy (TEM) and particle size distribution. The particle size and polydispersity index (PDI) value of the chitosan stabilized silver nanoparticles are found to be 6 nm and 0.3, respectively, which enhances the electroactive surface area and hence the sensor sensitivity. The ion imprinting technique is used to improve the selectivity of the sensor. The arsenic sensor is found to be very selective in the presence of other possible interferents like Pb2+, Zn2+, Cu2+, Ag+ and Fe2+. The detection of As(iii) was performed using differential pulse anodic stripping voltammetry (DPASV) and the detection limit was found to be 11.39 pM. The developed sensor is successfully tested for the picomolar level detection of arsenic (iii) in different water samples. 2023 The Royal Society of Chemistry.
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Ann Maria C.G.; Agnihotri A.S.; Varghese A.; Nidhin M.
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New Journal of Chemistry, Vol-47, No. 11, pp. 5179-5192.
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Royal Society of Chemistry
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2023-01-01
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<a href="https://doi.org/10.1039/d2nj04804c" target="_blank" rel="noreferrer noopener">https://doi.org/10.1039/d2nj04804c</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85149038204&doi=10.1039%2Fd2nj04804c&partnerID=40&md5=16da02918d09b309bf76c806094e59ca" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85149038204&doi=10.1039%2fd2nj04804c&partnerID=40&md5=16da02918d09b309bf76c806094e59ca</a>
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ISSN: 11440546; CODEN: NJCHE
Format
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Online
Language
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English
Type
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Article
Coverage
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Ann Maria C.G., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India; Agnihotri A.S., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India; Varghese A., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India; Nidhin M., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India
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Title
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Advanced Electrochemical Detection of 2,4-dichlorophenol in Water with Molecularly Imprinted Chitosan Stabilized Gold Nanoparticles
Subject
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2; 4-DCP; chitosan; electrochemical sensors; gold nanoparticles; molecularly imprinted polymers
Description
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2,4-Dichlorophenol (2,4-DCP) is a hazardous chemical that can be passed down to offspring. Because 2,4-DCP degrades slowly and can be passed down to future generations, its a pesticide that needs to be continuously monitored and managed. With the use of chitosan-stabilized AuNPs on a glassy carbon electrode and the molecular imprinting technique, an effective electrochemical sensor has been built for the selective determination of 2,4-DCP in different aqueous samples. The analytes electroactive surface area and number of interaction sites are both increased by the AuNPs. The formulated AuNPs were characterized using several material characterization techniques. Molecularly imprinted nanomaterials provided the selectivity against other interfering chlorophenols. With a detection limit of 6.33 nM and a broad linear dynamic range of 21.09 to 310 nM, 2,4-DCP was found using differential pulse voltammetry. Without interference from structural analogs, the sensor was effectively evaluated in a variety of contaminated water samples. 2024 The Electrochemical Society (ECS). Published on behalf of ECS by IOP Publishing Limited. All rights, including for text and data mining, AI training, and similar technologies, are reserved.
Creator
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Ann Maria C.G.; Varghese A.; Nidhin M.
Source
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Journal of the Electrochemical Society, Vol-171, No. 10
Publisher
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Institute of Physics
Date
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2024-01-01
Identifier
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<a href="https://doi.org/10.1149/1945-7111/ad8312" target="_blank" rel="noreferrer noopener">https://doi.org/10.1149/1945-7111/ad8312</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85207321562&doi=10.1149%2F1945-7111%2Fad8312&partnerID=40&md5=85cbe55eb9bb9bf1d7ca5274670b2e45" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85207321562&doi=10.1149%2f1945-7111%2fad8312&partnerID=40&md5=85cbe55eb9bb9bf1d7ca5274670b2e45</a>
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Restricted Access
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ISSN: 134651; CODEN: JESOA
Format
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Online
Language
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English
Type
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Article
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Ann Maria C.G., Department of Chemistry, CHRIST (Deemed to be University, Bengaluru, 560029, India; Varghese A., Department of Chemistry, CHRIST (Deemed to be University, Bengaluru, 560029, India; Nidhin M., Department of Chemistry, CHRIST (Deemed to be University, Bengaluru, 560029, India