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The Interaction Jigsaw: investigating star formation in interacting galaxies
Interaction between galaxies plays a pivotal role in their evolution. Ongoing star formation in spiral galaxies can be affected by these processes. Interacting galaxy pairs provide an opportunity to study these effects. We select a sample of interacting galaxies in field environments at various interaction stages and are nearly face-on and chose galaxy pairs NGC 2207/IC 2163, NGC 4017/4016 (ARP 305), and NGC 7753/7752 (ARP 86). We use the UltraViolet Imaging Telescope (UVIT) onboard AstroSat to characterize the star-forming regions in the galaxy with a superior resolution of ? 1.4 arcsec. We identified and characterized star-forming regions in the UVIT images of the sample and correlated them with the neutral hydrogen (H I) distribution. We detected localized regions of enhancement in star formation surface density (?SFR) and distortions in the sample of galaxies. We found this consistent with the distribution of H I in the galaxy. These are possible evidence of past and ongoing interactions affecting the star formation properties in the galaxies. We then conducted a study to understand whether the observed enhancements hold true for a wider sample of interacting galaxies. We observe a moderate enhancement in the star formation rate (SFR) with the interaction class, with a maximum of 1.8 being in the merger class of galaxies. We studied the SFR enhancement for the main galaxies in our sample as a function of pair mass ratio and pair separation. We observe a strong anticorrelation between the SFR enhancement and pair mass ratio and no linear correlation between the enhancement and pair separation. This suggests that the enhancement in interaction-induced star formation may be more strongly influenced by the pair mass ratios, rather than the pair separation. We also infer that the pair separation can possibly act as a limiting parameter for the SFR enhancement. 2024 The Author(s). -
Neo-X: Portable advanced audio technology /
Patent Number: 202241051890, Applicant: Moloy Biswas.
As time changed audio technology rapidly developed at a fast pace. Even with the advancing technology, all portable earphones seem to offer a specified feature. Customers have to invest in different types of earphones and headphones based on the device setting and features they require. Our product Neo-X headphones bring different features for different occasions or contexts. Whether in a gymnasium, hiking, bicycling or listening to music on a flight, these earphones provide a premium sound quality. Currently, there are a wide variety of earphones and headphones available in the market. -
Grip-on: The ergonomic walking stick /
Patent Number: 202241053663, Applicant: Joel Sebastian.
A high percentage of elderly users depend on walking slicks to get better support or assistance in maintaining a good posture while walking. An ergonomically well-designed walking stick can only provide good postural stability. For the past few decades in India, no significant changes or innovations have been made to the conventional walking stick. The study identified that majority of the users are facing difficulty in handling these conventional walking sticks. -
Easy open: The tooth paste dispenser bottle /
Patent Number: 202241057163, Applicant: Elizabeth Susan John.
Previously, the majority of skin-applied treatments and goods based on food pulp were marketed in jars or tubes. Later, more items were kept in user-friendly and specialised containers; one of the most popular ones being the dispenser bottle type. Dispensing bottles are incredibly well-liked in the present market. Several items have been offered for sale in the market on dispenser types, particularly sanitizers gel, creams, shampoos, etc. However, even modern dispensers are unable to dispense all of the contents inside due to their design features and structural profile. -
Fetch ease: The compact takeaway food box /
Patent Number: 202241004409, Applicant: Iyswarta A J.
Humans are on a big hustle in this present world, and they used to miss their meals due to such a hurry life. This habit of lifestyle also develops health issues. The study identified that while they are busy at work, they avoid food even if it is available from nearby canteens/snack centers. This is due to the struggle in handling the packed food while carrying back to their workspace. The demand for a user-friendly meal pack to grab while traveling towards working place or while pleasure trips would help such people. -
Stationary wrap around the sketchbook /
Patent Number: 202141054657, Applicant: Jersiah Jeyaraj.
The professionals and student community belonging to the art and architecture industry travel to different places. They carry pen/pencils and notebooks in additional pouches or bags for documentation and creative activities. But it isn't easy to search their tools and materials while it gets scattered inside of bags. We believe and respect the value of time since we notice they lose time searching and organizing their tools and materials to start the work. -
Vacuum flask: An innovation of scientists /
Patent Number: 202141039314, Applicant: A S Nikkitta Fame.
We are living in an era where we want to get things instantly. Whatever it is, we want it immediately. During a pandemic, long journey or even at your workspace you wont be able to get things in a flash. Thats when this customised flask Fames comes into the picture. Its usage isnt restricted to any specific age, it could be used by people belonging to all age group. The proposed flask has three parts as a whole. The 1 st is the cap which could also be used as a mug to pour the drink. The 2nd part is the body which is made up of metal, where you store the liquid. -
The development and validation of digital amnesia scale
The usage of digital devices has increased rapidly in recent times due to the expansion of online learning platforms, leading to greater reliance on them. As a result, people forget simple information, dates, and appointments that might lead to digital amnesia. Hence, we aimed to develop and validate a digital amnesia scale (DAS). The study was carried out in two studies. In the first study, we collected data from 616 college students to examine the factor structure of the model and its underlying dimensions for a large pool of items. These analyses showed that the scale formed a three-dimensional structure: digital distraction, digital dependency, and digital detox. In the second study, we collected data from 383 college students to confirm the three-factor structure of the DAS. A satisfactory level of reliability was demonstrated by McDonalds ? value for the dimensions. The testretest reliability was found to be 0.76. The DAS had satisfactory convergent and discriminant validity. This scale could be useful for both researchers and educators to assess digital amnesia among college students. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2024. -
PSA-MP: Path Selection Algorithm for MANET depends on Mobility Prediction to Enhance Link Stability
Link failure is a much crucial issue to be addressed for improving the stability of the routing. Selection of a stable path is an important task since nodes are mobile. The instability of a link leads to frequent link failure, which further causes to link re-establishment. In this paper, a Path Selection Algorithm based on Mobility Prediction (PSA-MP) is proposed that uses Mobility, Direction and Link Expiration Time (LET) as metrics to evaluate the link stability. In the existing algorithm, if any link gets fails during the link-establishment phase, it informs the previous node for selecting alternate link. But, in PSA-MP the alternate link is selected before a link fails by predicting Mobility, Direction and LET of nodes. As a result, it reduces link re-establishment delay. Ultimately, PSA-MP reduces E2Edelay, which in turn boosts Packet Delivery Ratio (PDR). Eventually, link stability is enhanced in MANETs, which is the focus of this paper. Published under licence by IOP Publishing Ltd. -
A Revised Study of Stability Issues in Mobile Ad-Hoc Networks
Adhoc or short live network has developed tremendously in the recent time, which can work without any access point or mobile towers. That means it is an infrastructure less network. Mobile Ad-hoc Networks can be referred as MANETs. The locations can be changed, and it can discover the path dynamically. In other words, the nodes move dynamically leading to the update of the topology, frequent change in topology, optimization of routing and fading the interference of multiuser are few issues connected with MANETs that affects the efficiency of the data transfer. The purpose of this survey is to reveal the various types of mechanisms which can be used to resolve the problem of routing performance related issues in MANETs. This paper also presents the classification of link stability, route repair and stable path algorithms in tabular format. 2020, Springer Nature Switzerland AG. -
Artificial Intelligence Technique Based Effective Disaster Recovery Framework to Provide Longer Time Connectivity in Mobile Ad-hoc Networks
Communication plays a vital role for effective management and for the execution of disaster response and emergency recovery efforts must be able to exchange information with each other from anywhere, at any time to successfully fulfill their missions. Therefore, it is important to configure emergency communications networks in disaster conditions using ad-hoc networks. This proposed framework collects the information and communication before or after a disaster. The aim of this research work is to propose a possible practical communication model by using ad-hoc network configuration technologies using Greedy Randomized Adaptive Search Procedure (GRASP) with the proposed algorithm. The development of this research work is to improve information exchange and facilitate coordination among emergency services and disaster field offices, state/level entities and private industry. This is accomplished by the integration of existing information systems, implementation of new efficient technologies and interconnection of established networks with artificial based techniques. IJCESEN. -
ILeHCSA: an internet of things enabled smart home automation scheme with speech enabled controlling options using machine learning strategy
Nowadays, communication schemes and the related automation logics have improved drastically, and people are moving from classical to intelligent applications. This naturally raises the growth ratio of the automation industry and enables researchers to work accordingly. The field of automation is essential in specific unavoidable environments such as hospitals, industrial units, individual residences, disaster areas, etc. In this paper, a novel machine-learning enabled speech-based home automation system is designed, called Intelligent Learning-enabled Home Controlling with Speech Assistance (ILeHCSA). This scheme integrates several latest technologies to control the home intelligently, including machine learning, speech assistance technology, and Internet of Things (IoT) support. Based on these advanced technologies, the logic of smart home automation systems has been designed in this approach, and it provides intellectual home controlling options to people. The following are the devices and sensors which are essential to control the electronic devices embedded into the home environment: Node Microcontroller Unit (MCU) Wi-Fi enabled Microcontroller, Relay Unit, Voice Capture Module with Mic, Speech-to-Text (STT) Converter Module, and Global Positioning System (GPS) to identify the location of the device. The machine-learning logic is utilized to provide a statistical analysis of device usage and to provide a clear summary and traces to maintain the device accordingly. These smart technologies can innovatively change the living atmosphere with sufficient support and comfort. The main intention of this paper is to provide a robust home automation system to support people efficiently, especially the people who are physically suffering from illness and the aged ones. The proposed work provides a 96.5% accuracy ratio when compared with other methods. 2021 Nismon Rio Robert et al. -
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Probiotic properties of enterococcus faecium isolated from gallus gallus domesticus and its antimicrobial, antibiofilm and growth enhancing potential in danio rerio
This study focused on isolation and characterisation of potential probiotic bacteria from a non aquatic source (Gallus gallus domesticus). Enterococcus sp. was isolated from the midgut of G. gallus domesticus and was characterised for its ability to survive in artificial gastric juice, trypsin, varying pH and temperature, different concentrations of organic solvents, and was evaluated for its ammonia reduction potential. Notable inhibition of biofilm against Vibrio harveyi (41.03.2 %), Escherichia coli (33.04.0 %), Pseudomonas aeruginosa (37.84.0 %) and Staphylococcus aureus (41.72.0 %) was observed. The study showed that the isolate improved the survival rate of Danio rerio against V. harveyi and E. coli in challenge studies using survival analysis. The weight and length gains observed were 4.90.1 % and 0.30.2 % (p>0.05), respectively. The use of probiotics from nonaquatic sources can increase the diversity of available probiotics for aquaculture practices. 2021, Faculty of Fisheries, Kasetsart University. All rights reserved. -
Synthesis, characterization and crystal structure of N'-[(E)-furan-2-ylmethylidene]furan-2-carbohydrazide /
European Journal of Chemistry, Vol.5, Issue 3, pp.174-176, ISSN No: 2153-2249. -
A review on semiconductor nanoparticles in photovoltaic cells /
International Journal of Advanced Scientific Research And Management, Vol.4, Issue 4, pp.43-50, ISSN No: 2455-6378. -
The puzzle of pheromones in nature and their mysterious influence: a comprehensive review
Pheromones are chemical signals that are given off by creatures to communicate with other conspecifics. Because of their influence on animal behavior and relationships throughout the animal world, pheromones have fascinated scientists for decades. The newest findings and new perspectives on the intriguing field of pheromones are synthesized in this thorough review article. We investigate the many roles played by pheromones, from mating attraction and territorial marking to alarm signaling and social organization. The chemical diversity of pheromones is explored in depth in this paper, highlighting the variety of substances used by different animals as messengers. We go over the processes involved in pheromone detection and processing to help understand how chemosensory receptors and brain circuits interact in complex ways. Additionally, we discuss the role that pheromones play in ecology and evolution by promoting speciation and adaptation. This review emphasizes both the new research on pheromones in humans as well as their function in the animal world. We investigate the data supporting human pheromones and their possible impact on social and reproductive behaviors. The review aims to offer a detailed exploration and insight into the role and effects of pheromones in the natural world. This includes examining the chemical essence of pheromones and their functionality as communication signals across different species, investigating the specificity of these chemicals to certain species and how non-specific pheromones come about, and delving into the evolution of pheromones with a focus on the physiological and evolutionary mechanisms that drive communication. Additionally, the review seeks to understand the role pheromones play in pest management, specifically how species-specific pheromones can be utilized in eco-friendly pest control strategies. It will also explore the enigmatic impact pheromones have on the behavior and interactions within and among species. Drawing from a variety of sources, such as scientific research articles, studies on pheromone evolution, and articles on pheromone application in pest management, the review aspires to synthesize existing knowledge to provide a comprehensive overview of pheromones and their intriguing influence in nature. This study intends to not only summarize existing information but also encourage further research, shedding light on these cryptic chemical signals and their tremendous influence on the biology and behavior of species. It does this by offering a comprehensive perspective on the complex world of pheromones. 2024 Mighila Rixon, et al. -
Pt nanospheres decorated graphene-β-CD modified pencil graphite electrode for the electrochemical determination of vitamin B6 /
Topics in Catalysis, Vol.65, pp.1-11, ISSN No: 1572-9028.
An electrochemical sensor for Vitamin B6 determination has been prepared by the electrochemical deposition of Pt nanospheres on graphene-β-CD coated Pencil Graphite Electrode (PGE). Cyclic voltammetric (CV) and electrochemical impedance spectroscopic (EIS) studies were employed to explore the electrochemical properties of the modified electrode. The physicochemical properties of the modified electrodes were characterized by X-ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and optical profilometric studies. -
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Modified Carbon Based Electrodes for Electrochemical Sensing of Biomolecules
Now-a-days a large variety of biological analytes are detected by highly sensitive newlineelectrochemical sensors which are inexpensive and simple as compared to conventional methods such as UV-vis absorption spectroscopy, spectrofluorometry, HPLC and gas chromatography. Electrochemical analysis is exceptional owing to its economical, low energy consuming and unique approach in the method design, and high sensitivity for the analyte determination. Carbon based electrochemical sensors are commonly used because of their low cost, good electron newlinetransfer kinetics, good chemical stability, and biocompatibility. Recently electrochemical properties of pencil graphite electrodes (PGEs) have been explored in the analysis of various organic compounds. High electrochemical reactivity, easy modification, commercial accessibility, fine rigidity, disposability and low-cost of PGE make it ideal to be used as an effective working electrode. The thesis presented explains different modified PGEs have been employed in the electrocatalytic determination biomolecules such as cholesterol, cortisol, Vitamin B6 and morin. newlineThe modified electrodes are effectively used for the ultra-level sensing of these biomolecules in real samples. The electroactive surface area and the conduvtivity of bare PGE is enhanced newlinedifferent electrode modifiers such as and#946;-CD, graphene, conducting polymer, metal oxides and metal nanoparticles. The modified electrodes are found to exhibit good electrocatalytic behavior towards the target biomolecules. Cyclic voltammetric (CV) studies and electrochemical impedance spectroscopic (EIS) technique were used to investigate the electrochemical properties of the modified sensing platform. The newlinemorphology and step wise fabrication process of the modified electrodes were characterized byvii Ramana spectroscopy, X-ray photoelectron spectroscopy (XPS),scanning electron microscopy (SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR).