Research News

SRM University-AP observed the 6th edition of Research Day on Saturday, April 29, 2023. Research Day aims to foster the exchange of information across disciplines, encourages extensive research projects, and appreciates innovative efforts in research. Prof. B J Rao, Vice-Chancellor, University of Hyderabad, was the Chief Guest and Prof. Venugopal Achanta, Director, CSIR-National Physical Laboratory, Delhi, was the Guest of honour of the illustrious event held on the campus.

‘‘There are multiple ways to look at the truth. It is the journey of truth that gives you interest in insights, and it is in that context that Research Day is significant. You are not just a human being when you do research; you become a thinker. When you become a thinker, you discover new things and find the actual purpose of your existence. That is the level of culture we need to generate in our educational ecosystem,’’ stated Prof. B J Rao, Chief Guest of the event. He proceeded to explain why education must be an open process of learning and how it happens only by diffusion. ‘‘Scientific ethics is a big challenge in the country. Whatever I do, it is always looked under the microscope. It will take a longer time. It doesn’t matter. Are you not sure? Do one more experiment,’’ said the Guest of honour Prof. Venugopal Achanta.

The 6th edition of Research Day, for the first time, invited researchers from all SRM Group of Educational Institutions, AIIMS Mangalagiri, Acharya Nagarjuna University, Acharya N G Ranga Agricultural University, and Vignan University. It was an excellent opportunity for research enthusiasts to exchange and exhibit their ideas on research. UG, PG, and PhD students presented their research abstracts which is the culmination of innovative ideas and a sign of continuous contributions to research advancements on April 26, 2023. The various themes covered diverse topics such as AI, Machine learning, Cyber Security, Electric Vehicle, Renewal and Nonrenewal energy, Health Care Technologies, Image Processing and Computer Vision, Communication and Digital technologies, Robotics, VLSI and Embedded Systems, Drone Technologies, and Geoscience etc.

‘‘During the next five years, besides fundamental research, our focus will be on industrial research, research commercialisation, prototype and product development, and technology transfers,’’ said Prof. Manoj K Arora, Vice Chancellor, SRM University-AP, while addressing the gathering. ‘‘We have conceptualised Research Day to provide an opportunity for the students to get a comprehensive knowledge of the diverse research activities being carried out in the university. It is also a chance for enthusiastic students to showcase their research work,’’ added Prof. D Narayana Rao, Pro-vice-chancellor, SRM University-AP.

As part of Research Day, students and research scholars were advised to submit their research abstracts. Over 350 abstracts were received. 181 abstracts from the UG/PG category and 110 abstracts from the PhD category were accepted. A special issue of the research abstracts booklet comprising all selected abstracts was unveiled during the event. Gold and Silver medals and certificates have been awarded to the winners for their research work in various thematic areas. The potential abstracts will be converted into full papers, which will be submitted further to reputed conferences and journal papers.

Continue reading →

Conventional agricultural utility vehicles used for crop cultivation involve complex operations such as ploughing and seeding, require trained personnel, and are expensive and not affordable to many farmers, especially in developing countries. Thus, there is a need for an agricultural utility vehicle for carrying out crop cultivation activities that alleviate the drawbacks of conventional practices.

Researchers at the Department of Electrical and Electronics Engineering have been granted a patent for an invention entitled An Agricultural Utility Vehicle for Crop Cultivation Activities (Application number 202241051059). Assistant Professor Dr Somesh Vinayak Tewari and his students Gundrevula Sisir Srivastav, Kolisetty Jayanth, Tempalli Pallavi Sri, and Jayana Keerthi Tanvita have accomplished this milestone through their dedicated research.

Abstract

The present disclosure discloses an agricultural utility vehicle (1000) for carrying out crop cultivation activities comprising a framed structure (200) having wheels configured to be driven in an open plot of land. An agricultural implement (400) is configured to be attached to the vehicle. An electric drive system (100) is configured to drive the framed structure, and a battery (300) is coupled to the electric drive system to provide power.

Continue reading →

The Annual Conventions of the National Academy of Psychology (NAOP) aim to provide a platform to present, discuss, and debate issues that confront individuals, groups, and communities in this fast-changing world. Dr Sunaina K, Assistant Professor of the Department of Psychology, has presented a paper titled Social Writing and the Development of Critical Thinking amongst School Students at the 32nd International Annual Convention of the National Academy of Psychology (NAOP), held at Ahmedabad University, Gujarat, from March 3 to 5, 2023.

Abstract

This study attempted to examine the texts, contexts and voices of young adolescents in social writing activities in schools and how thinking is constructed through the same activities. An intervention study of one-year duration on social writing, based on a longitudinal quasi-experimental design, has been conducted with 15 students in a government school in Kozhikode district in Kerala. The intervention programme was conducted with the help of a module of writing activities prepared by the researcher by using the Vygotskian pedagogic ideas. Each writing session was preceded by a dialogue session between the adult member and the students.

The study employed Thematic Content Analysis as the method of data analysis. The thematic analysis of the mediated learning of social writing unfolds the dialectical interplay between the human mediators, cultural tools and the motives for developing critical thinking skills in the students. From the analysis of the pattern of appearing ‘self-reflections’, a domain of critical thinking (Barnette, 1997), it can be said that interactive participation in the dialogue session enhances participation in the writing activities with the involvement of self. Active participation in the dialogue session helps the students gather maximum information on the theme of dialogues (collection of everyday concepts) and also makes some generalisations. These generalised ideas are transforming into conceptualised thoughts (thinking in ‘scientific concepts’) when the students go through in a deliberate, systematic thinking process while writing. This conceptualisation of ideas, visible in students’ texts, is the base of the critical thinking that is getting reflected in their writings and further helps them in critical reasoning, self-reflection and thinking about critical actions while writing.

Continue reading →

Researchers of the School of Liberal Arts and Social Sciences have worked on India’s comparative advantage in information technology exports with competing developing nations, including China, the Philippines, Malaysia, and Brazil. The latest paper published by Assistant Professor Dr Manzoor Hassan Malik, Department of Economics and Assistant Professor Dr Aehsan Ahmad Dar, Department of Psychology, has implications for attaining sustainability in IT export growth. It is suggested that policies are directed at enhancing the overall performance of the IT sector. The novelty of the present study lies in the estimation of India’s competitiveness in IT exports in relation to the group of reference countries, namely China, the Philippines, Malaysia, and Brazil. With its policy recommendations, this research is helping to shape the sustainability of the IT sector.

The paper titled An appraisal of India’s comparative advantage in information technology exports was published in the Journal of Chinese Economic and Foreign Trade Studies with an impact factor of 1.560.

Abstract

The purpose of this study is to estimate revealed comparative advantage and Normalised Revealed Comparative Advantage (NRCA) indices of India’s Computer and Information Services (CIS) export competitiveness about Information Technology (IT) competing developing nations, such as China, Philippines, Malaysia and Brazil. Using annual data of total exports for CIS, transportation (TNS), travel (TVL) and insurance (INS) services under service categories of the balance of payment, the present study estimates the pattern of Comparative Advantage (CA) in India’s CIS exports with respect to IT competing developing nations such as China, Philippines, Malaysia and Brazil from 2000 to 2018. The choice of the study period is determined by the availability of consistent data on IT service exports of these nations. The study also estimates the export position of CIS export in comparison to India’s traditionally strong commercial services export of TNS, TVL and INS during the study period. Both indices showed that India had a strong CA in CIS compared to the selected nations, indicating India’s relative export performance to be stronger than that of China, Malaysia, the Philippines, and Brazil. The cross-service index showed that India’s relative specialisation level in CIS with respect to the world’s average specialisation level was stronger than its relative specialisation level in TNS, TVL and INS services. Furthermore, The NRCA cross-nation index showed that India’s NRCA index score has been declining since 2010 with respect to these nations, which implied a decline in the competitiveness of CIS. On the other hand, NRCA has increased in the case of the Philippines, Malaysia and Brazil for most of the period post-2010.

Continue reading →

Dr Manish Kumar Pandey, Assistant Professor, Department of Mathematics, has published a paper titled, “Koecher–Maass series have infinitely many critical zeros” in the journal Bull. London Math. Soc. having an Impact Factor of 2.396.

Abstract

The article studies the zeros of the Koecher-Maass series associated with a Siegel cusp form of degree 2. It is proved that the Koecher-Maass series associated with a Siegel cusp form has infinitely many zeros on the critical line.

Practical implementation

It is well known that zeros of the Riemann zeta function have connections with prime numbers. In a similar fashion, one can state the behaviour of the coefficients of such series at primes. These are results of pure mathematical flavour and their immediate application will take time.

Collaborations

1. 1. Dr Jaban Meher, National Institute of Science Education and Research (NISER), Bhubaneshwar
   2. Dr Karamdeo Shankhadhar, Indian Institutes of Science Education and Research (IISER), Bhopal

Read More

Continue reading →

Significant measures have been undertaken to synthesise ammonia proficiently, the future renewable energy fuel for its wide range of applications in various sectors. On this account, a research paper titled “Oxygen functionalization-induced charging effect on boron active sites for high-yield electrochemical NH3 production” has been published by Prof. Ranjit Thapa, Professor, Department of Physics and his research scholar Mr Samadhan Kapse in the journal Nano-Micro Letters having an impact factor of 23.655.

Abstract

Ammonia has been recognized as the future renewable energy fuel because of its wide-ranging applications in H2 storage and transportation sector. In order to avoid the environmentally hazardous Haber–Bosch process, recently, the third-generation ambient ammonia synthesis has drawn phenomenal attention and thus tremendous efforts are devoted to developing efficient electrocatalysts that would circumvent the bottlenecks of the electrochemical nitrogen reduction reaction (NRR) like competitive hydrogen evolution reaction, poor selectivity of N2 on the catalyst surface. Herein, we report the synthesis of an oxygen-functionalised boron carbonitride matrix via a two-step pyrolysis technique. The conductive BNCO(1000) architecture, the compatibility of B-2pz orbital with the N-2pz orbital and the charging effect over B due to the C and O edge-atoms in a pentagon altogether facilitate N2 adsorption on the B edge-active sites. The optimum electrolyte acidity with 0.1 M HCl and the lowered anion crowding effect aid the protonation steps of NRR via an associative alternating pathway, which gives a sufficiently high yield of ammonia (211.5 μgh−1 mgcat−1) on the optimized BNCO(1000) catalyst with a Faradaic efficiency of 34.7% at −0.1 V vs RHE. This work thus offers a cost-effective electrode material and provides the contemporary idea about reinforcing the charging effect over the secured active sites for NRR by selectively choosing the electrolyte anions and functionalizing the active edges of the BNCO(1000) catalyst.

A brief summary of the research in layman’s terms

In summary, this work displayed the significant role of O and C doping within BN architecture to promote NRR on the edge B sites via an associative alternating mechanism. The gradual formation of the ideal structure was systematically studied by means of XPS and the electronic properties was investigated from NEXAFS. A greater impact was found on the charging effect of B centres due to O-functionalized edges that induced a greater charge density from B to the adsorbed N2, overcoming the potential determining steps for NRR. This work simultaneously highlighted the importance of the choice of electrolyte, where in 0.1 M HCl our catalyst BNCO(1000) yielded 211.5 μg h−1mgcat−1 of ammonia at −0.1 V vs RHE with a FE of 34.7%. It was experimentally found and theoretically supported that the bulky anions in H2SO4 and H3PO4 blocked the B active sites by a Lewis acid-base interaction between the B sites and the O ends of the anions, hence not suitable for this class of materials. Thus, the present work offered an overall idea of catalyst designing and the medium to retain a high and consistent NRR performance.

Social implications of the research

Nitrogen reduction reaction (NRR) performed electrochemically is regarded as a green and legitimate approach to ammonia synthesis and it has been intrinsically brought into the limelight by the worldwide research community, not only because of the immense use of ammonia in the agriculture and transportation sector but also due to urge to resolve the fallacies associated with the process. Primarily, the eternal problem persisting with NRR is the predominance of the combative hydrogen evolution reaction (HER) at the same potential range, which overpowers NRR over most of the catalyst surfaces, resulting in poor yield and Faradaic efficiency (FE) of ammonia production. Researchers thus majorly focus on varied catalyst development, which includes several strategies: (a) Selectivity of elements that would prefer binding with N2 over protons, (b) Blocking the HER active sites, (c) Phase-selective material designing, inhibiting HER at the active surface, (d) interface-engineering that would deviate the HER pathway inducing better Faradaic efficiency for NRR. Although either 1st-row transition metals or semimetals are regarded as more suitable candidates for NRR, a metal-free approach is rather preferred for the cost-effectiveness and simplicity of the process. Boron (B)-based electrocatalyst in this respect can act as a strong contender. The research also posits that Density functional theory is useful for the molecular level understanding to unveil the performance of different catalytic reactions.

Collaborations

• Ms Ashmita Biswas, Institute of Nano Science and Technology (INST), Sector-81, Mohali, Punjab 140306, India
• Mr Ramendra Sundar Dey, Institute of Nano Science and Technology (INST), Sector-81, Mohali, Punjab 140306, India

Continue reading →

The latest research paper of Dr Aehsan Ahmad Dar, Assistant Professor, Department of Psychology, and Dr Idris Hassan Bhat, Assistant Professor, Department of Liberal Arts, examines the relationship between social support and resilience among young adults in Kashmir who have been exposed to the traumatic events of armed conflicts. His paper titled The Association Between Social Support and Resilience of Young Adults of Kashmir Exposed to Stressful Events of Armed Conflicts and with Their Background Variables was published in the esteemed journal Social Work in Mental Health, which is issued by the reputed publisher Routledge Taylor and Francis.

Through the research, they found that social support plays a crucial role in enhancing the resilience of young adults and reducing the adverse effects of traumatic experiences. This publication is a significant contribution to the field of social work and mental health, particularly in the context of the ongoing conflict in Kashmir. The findings of the researchers highlight the importance of social support in promoting the mental health and well-being of individuals who have experienced trauma.

Abstract

The current study examined the association of social support and background variables with resilience among young adults exposed to traumatic and stressful events of armed conflict in Kashmir, India. Data were collected from 693 participants using a multi-stage sampling method. Findings revealed that social support and gender were positively associated with resilience, whereas education, income, and maternal education were negatively associated with resilience. Moreover, feeling insecure and psychologically distressed as a result of the conflict was negatively associated with resilience, whereas the perception that the Kashmir conflict would be resolved was positively associated with resilience. The findings suggest fostering resilience in this population.

Continue reading →

Complex IoT networks comprise multiple devices connected to the gateway. A smoother functioning is ensured through new techniques for device authentication to the gateway. On this note, the research paper titled “A Lightweight Mutual and Transitive Authentication Mechanism for IoT Network” has been published by Dr Amit Kumar Mandal, Assistant Professor, Department of Computer Science and Engineering and his research scholar Mrs Rudra Krishna Srija in the Q1 Journal Ad Hoc Networks, Elsevier having an impact factor of 4.8. The research details the use of the polynomial-based protocol in enhancing device connection for transitive communication.

Abstract of the paper

In large and complex IoT systems like the smart city or smart industry which consist of thousands of connected devices, it may not always be feasible to be directly connected to the gateway but it may be possible to be connected to another device. Therefore, already authenticated devices should facilitate the new device’s authentication by the gateway. To address this issue, the existing protocols use multiple authentication protocols based on different cryptography techniques, which are difficult to implement and manage in resource-constrained IoT devices. In this paper, we propose a Transitive device authentication protocol based on the Chebyshev polynomial.

The work is primarily aimed at improving transitive communication in machine-to-machine communication or device-to-device communication in large-scale heterogeneous IoT network scenarios. The research team targets to investigate the benefits of adopting the designed protocol in particular within low-power and lossy networks in the future.

Collaborations

Università Ca Foscari Venezia, Venice, Italy

Continue reading →

The Department of Physics is pleased to announce that Professor Ranjit Thapa, Dean-School of Engineering and Sciences (SEAS) and Professor of Physics along with his PhD scholar, Mr E S Erakulan, has published a groundbreaking paper titled “Scrutinizing the Role of Tunable Carbon Vacancies in g-C3N4 Nanosheets for Efficient Sonophotocatalytic Degradation of Tetracycline in Diverse Water Matrices: Experimental study and theoretical calculation” in the prestigious Chemical Engineering Journal with an impact factor of 16.744. The paper offers crucial insights into the role of controllable defects in the sonophotocatalytic degradation of tetracycline (TC) antibiotics from polluted water.

Abstract of the paper

Metal-free polymeric graphitic carbon nitride (CN) materials are robust and stable visible-light-driven photocatalysts that have recently piqued interest in photocatalytic applications. Its photocatalytic performance is restricted remarkably due to moderate oxidation ability and fast charge carrier recombination rate. To address these issues, we engineered carbon-vacant CN (FCN) using a facile formalin-assisted thermal polymerization of molten CN precursor in which the carbon vacancies (C v ) were regulated by altering formalin dosage. Consequently, FCN catalysts revealed C v concentration-dependent sonophotocatalytic degradation of Tetracycline (TC) antibiotics over diverse water matrices. The optimal FCN exhibited complete TC degradation efficiency within 60 min with a synergy index of 1.4, which is approximately 2.6 times higher than that of pristine CN. The enhanced sonophotocatalytic performance was mainly due to the synergistic effect of ultrasound and light irradiation. The C v formation also resulted in enhanced charge carrier transportation and facilitated oxygen adsorption at the C V site of FCN – supported by both experimental study and theoretical calculation. Subsequently, FCN generated abundant reactive active oxygen species including, •O 2 –, as well as indirectly •OH which played a significant role in the degradation pathway and mineralisation of the TC molecules. This study provides insight into understanding the correlation between controllable defects and sonophotocatalytic degradation properties of the self-doped and deficient FCN.

 

In this research, Prof. Thapa and his team utilised a facile formalin-assisted thermal polymerization technique to fabricate metal-free polymeric graphitic carbon nitride (CN) materials. These materials have been gaining increasing interest as photocatalysts, although their photocatalytic performance has been restricted due to moderate oxidation ability and fast charge carrier recombination rate. To address these issues, the researchers engineered carbon-vacant CN (FCN) by regulating carbon vacancies (Cv) with formalin dosage. The optimal FCN catalyst exhibited complete TC degradation within 60 minutes with a synergy index of 1.4, which is approximately 2.6 times higher than pristine CN.

Emerging pollutants, such as antibiotics discharged from pharmaceutical companies, have detrimental effects on living organisms and can cause drug resistance through gene transmission. The removal of TC from water requires efficient and sustainable strategies. A detailed understanding of the synergistic effects of the defect and self-doped CN in sonophotocatalytic degradation could pave the way for the destruction of various recalcitrant pollutants in an aqueous environment.

Collaborations

1. Ms Mani Preeyanghaa, Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Chennai.
2. Prof. Bernaurdshaw Neppolian, Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Chennai.

Overall, the research presents exciting possibilities for future projects in the field of sonophotocatalytic degradation and provides a significant contribution to the scientific community’s understanding of controllable defects in CN materials.

Continue reading →

An Image caption generator system implies the detection of the image as well as producing the caption with natural language processing by the computer. This is a tedious job. Image caption generator systems can solve various problems, such as self-driving cars, aiding the blind, etc.

The recent research at the Department of Computer Science and Engineering proposes a model to generate the captions for an image using ResNet and Long Short-Term Memory. Assistant Professors Dr Morampudi Mahesh Kumar and Dr V Dinesh Reddy have published the paper Image Description Generator using Residual Neural Network and Long-Short-Term Memory in the Computer Science Journal of Moldova with an impact factor of 0.43.

The captions or descriptions for an image are generated from an inverse dictionary formed during the model’s training. Automatic image description generation is helpful in various fields like picture cataloguing, blind persons, social media, and various natural language processing applications.

Despite the numerous enhancements in image description generators, there is always a scope for development. Taking advantage of the larger unsupervised data or weakly supervised methods is a challenge to explore in this area, and this is already there among the future plan of the researchers. Another major challenge could be generating summaries or descriptions for short videos. This research work can also be extended to other sets of natural languages apart from English.

Abstract

Human beings can describe scenarios and objects in a picture through vision easily, whereas performing the same task with a computer is a complicated one. Generating captions for the objects of an image helps everyone to understand the scenario of the image in a better way. Instinctively describing the content of an image requires the apprehension of computer vision as well as natural language processing. This task has gained huge popularity in the field of technology, and there is a lot of research work being carried out. Recent works have been successful in identifying objects in the image but are facing many challenges in generating captions to the given image accurately by understanding the scenario. To address this challenge, we propose a model to generate the caption for an image. Residual Neural Network (ResNet) is used to extract the features from an image. These features are converted into a vector of size 2048. The caption generation for the image is obtained with Long Short-Term Memory (LSTM). The proposed model was experimented with on the Flickr8K dataset and obtained an accuracy of 88.4%. The experimental results indicate that our model produces appropriate captions compared to the state of art models.

Continue reading →