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258 articles for “amplification”
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Effects of Reading Task With or Without Verbalization on Heart Rate Variability
Abstract: In the present work, effect of different reading passages with or without verbalization on heart rate variability has been assessed. The study was conducted on 13 subjects with age group 18–25 years and no medical history. The lead-II electrocardiogram was recorded using MP35 amplifier (Biopac Inc, USA) while subject was in sitting position. The paradigm for recording was designed using Superlab 4.5. The paradigm includes reading four different passages: (i) …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 5, Issue 1, 2015 · pp. 1–4 Read article
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Interrelationship Between Psychological Stress and Gastrointestinal Physiology: Role of the Gut–Brain Axis
Abstract: The relationship between stress and gut microbiome is a critical area of medical research underscoring the relativity and impact of psychological and emotional states on gastrointestinal (GI) health. This paper investigates the intricate relationship between stress and digestive health by analysing the influence of stress hormones, gut–brain interactions, and psychosocial determinants. Both acute and long-standing stress responses may disrupt normal gastrointestinal activity, affecting motility, secretion, intestinal microbiota, and overall digestive …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 15, Issue 2, 2026 · pp. 30–35 Read article
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Polymeric Microfluidic Chips for Rapid Point-of-Care Diagnostic Testing
Abstract: Polymeric microfluidic chips have emerged as promising platforms for rapid point-of-care (POC) diagnostic testing by integrating sample preparation, fluid manipulation, biochemical reactions, and signal detection within compact and potentially low-cost devices. Their compatibility with materials such as polydimethylsiloxane (PDMS), polymethyl methacrylate (PMMA), cyclic olefin copolymer (COC), polystyrene (PS), polycarbonate (PC), and polymer–paper composites provide considerable flexibility in device design and manufacturing. Advances in soft lithography, injection moulding, hot embossing, laser …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Unified Mathematical Framework for Semiconductor Devices, Junction Dynamics, and Circuit Analysis
Abstract: Semiconductor devices form the fundamental building blocks of modern electronic and integrated circuit systems, where their electrical behavior is governed by coupled carrier transport, electrostatic, and circuit-level phenomena. This work presents a unified mathematical framework for modeling semiconductor devices, junction dynamics, and their interaction with electronic circuits. The formulation integrates fundamental semiconductor relations, carrier concentration, drift–diffusion transport, Poisson’s equation, continuity equations, PN-junction behavior, diode characteristics, bipolar junction transistor operation, and …
Published in Journal of Semiconductor Devices and Circuits · Vol. 13, Issue 2, 2026 · pp. 37–47 Read article
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Spice Circuits for Optic Cellular Receiver Simulations
Abstract: A circuit-theoretic approach to the generation of equivalent circuit models of optoelectronic and integrated photonic receiver applications is presented, especially optical cellular receiver systems. In a conventional circuit, the parameters of nano-inductance, nano-capacitance, impedance and scattering (S) parameters can be effectively applied to the analog equivalent representation of a conventional circuit. In a fiber-optic system, those parameters can be used in an integrated photonics and optoelectronic and nanoelectronic circuit as …
Published in Trends in Opto-electro & Optical Communication · Vol. 16, Issue 2, 2026 Read article
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"Onychomycosis in the Indian Subcontinent: Clinical, Microbiological and Therapeutic Perspectives,”
Abstract: Onychomycosis is a chronic fungal infection of the nail unit involving the plate, bed, and matrix, accounting for a substantial proportion of nail disorders encountered in dermatology practice worldwide. In South Asia—particularly India, Pakistan, Bangladesh, and Nepal—the burden is amplified by a convergence of climatic, socioeconomic, and healthcare-related factors. Hot and humid environmental conditions, widespread dermatophytosis, occlusive footwear practices, chronic wet work, and limited access to specialized mycological diagnostics contribute …
Published in International Journal of Tropical Medicines · Vol. 3, Issue 2, 2026 Read article
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AirDraw: Gesture-Driven Sketching for Immersive Design Interfaces
Abstract: AirDraw represents a transformative advancement in artificial intelligence, creating fluid touch-free human-computer interfaces through real-time interpretation of hand gestures as precise design control signals. This paper introduces AirDraw—a revolutionary webcam-powered virtual canvas that redefines creative workflows and educational interactions. Particularly valuable for design students prototyping ideas, senior creators exploring digital art, and users with motor impairments who find traditional peripherals challenging, AirDraw delivers truly inclusive technology access. Unlike conventional gesture …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 13, Issue 2, 2026 · pp. 32–41 Read article
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3D-Animated Digital Twins in the Metaverse: Security Challenges, Ethical Risks, and Societal Implications
Abstract: Metaverse is emerging as an immersive digital space where users interact through virtual environments. Within this space, 3D-animated digital twins act as virtual representations of real individuals, objects, and systems, enabling interaction, simulation, and presence beyond physical boundaries. While these digital replicas provide significant opportunities for engagement and innovation, they also raise critical security and ethical concerns. Security vulnerabilities can lead to identity misuse, impersonation, and unauthorized access, threatening personal …
Published in Journal Of Network security · Vol. 14, Issue 2, 2026 · pp. 11–19 Read article
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Design of Hybrid SAC-OCDMA FSO System Using Zero Cross Correlation Code
Abstract: Spectral amplitude coding (SAC)-optical code division multiple access (OCDMA) being an ensuring advancement gives satisfactory response for burst and asynchronous environment. While free space optics (FSO) transfer information from one place to another at high speed where other systems are hard to reach. This paper offers and endeavors to dissect the performance of the system (SAC-OCDMA) through diverse environment conditions in FSO channel utilizing Zero cross correlation code having bit …
Published in Journal of Open Source Developments · Vol. 7, Issue 1, 2020 · pp. 5–11 Read article
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Simulative Investigation of 2.5 Gbps RZ Modulation Format Using Various Optical Sources in SOA Based RoF System
Abstract: AbstractIn this paper, the impact of various optical sources on the performance of semiconductor optical amplifier based radio over fiber (RoF) system has been analyzed. This RoF system has been modeled and analyzed using OptiSystem (14.0) software. The transmission performance of RoF system in terms of Q-factor, BER and eye height at different fiber lengths using various optical sources such as VCSEL, controlled pump laser, directly modulated laser and empirical …
Published in Recent Trends in Parallel Computing · Vol. 4, Issue 3, 2017 · pp. 9–12 Read article
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Object and Person Recognition System for Blind
Abstract: Natural and man-made disasters present a wide range of challenges, which are amplified for people with disabilities. In most cases, assistive technology devices and services assist the disabled in performing daily tasks; yet, these are commonly restricted during and after disasters. One potential approach for people with vision impairment is a cost-effective wearable ‘Object detection’. The object detection provides environmental narratives while also establishing communication between the visually impaired user …
Published in Recent Trends in Programming languages · Vol. 9, Issue 1, 2022 · pp. 31–35 Read article
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Research on ArcGIS and Geographical Information System
Abstract: ArcGIS Server is a comprehensive, cohesive geographical information system (GIS) server which aids spatial data management, plotting, and spatial investigation across distributed systems. ArcGIS Server is a Web GIS that supports you to make your geographic information available to others. ArcGIS Server authorizes to allocate GIS resources that cover an enterprise as well as across the web. In this paper, ArcGIS was used to visualize road network which is build …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 2, Issue 3, 2015 · pp. 17–20 Read article
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Molecular Cloning, Expression, Purification, and Characterization of Methionine Aminopeptidase
Abstract: MAP enzyme can efficiently remove N-terminal methionine from recombinant proteins. In the present study, MAP gene from genomic DNA of Escherichia coli was amplified, cloned into pET 11b vector and transformed into E.coli DH5a cloning strain to confirm the insertion of MAP gene, then plasmid was transformed into E. coli BL21 (DE3) expression strain. The protein was eluted with 25 mM NaCl and showed a purity of ~ 95% which …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 2, Issue 2, 2012 · pp. 12–24 Read article
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Pathogenesis, Treatment and Molecular Mechanisms for Development of Multidrug-resistant (MDR) TB as well as Identification of MDR Mycobacterium Tuberculosis
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Tuberculosis (TB) is a medical, social, and economic disaster of huge magnitude in the world. Prevalence of TB has increased due to poverty, population growth, migration and a high number of TB cases in HIV positive individuals. High prevalence rate of M. tuberculosis strains with multidrug resistance (MDR) is a serious problem as global emergency. Strains of M. tuberculosis resistant to both …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 3, Issue 1, 2013 · pp. 16–38 Read article
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Existence of Integron I and II Genes from Clinical Isolate Staphylococcus aureus and Their Role in Drug Resistance
Abstract: An integron is a gene capture and dissemination system. They have been identified on both genomic and mobile genetic elements which often contain one or more genes that encode antibiotic resistance. They are commonly associated with bacterial genera in the family of Enterobacteriaceae. Currently, there have been recent reports showing the presence of integrons in Staphylococcus species. The aim of the present study was to assess the existanxe of Class …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 3, 2014 · pp. 18–24 Read article
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Detection of Listeria monocytogenes in Milk and Ice Cream by Polymerase Chain Reaction
Abstract: Abstract The present study was undertaken to standardize PCR assay for detection of L. monocytogenes and Listeriolysin O from livestock foods and compare its efficacy with conventional cultural methods. A set of primer derived from iap gene and other set derived from hlyA gene were used for detection of L. monocytogenes and Listeriolysin O in the PCR assay. The PCR assay was initially standardized by optimizing the concentration of the …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 5, Issue 1, 2015 · pp. 24–35 Read article
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Semi-quantitative Event Specific Detection of Bt Maize (Event MON 810) using Real-Time PCR with SYBR Green Ι Chemistry
Abstract: The objective is this work is to do semi-quantitative analysis for Bt maize (event MON 810) using conventional Polymerase Chain Reaction (PCR) and Real Time PCR (SYBR green chemistry) from the fresh maize samples chosen arbitrarily from various locations. The protocol for extraction of good quality genomic Deoxyribonucleic acid (DNA) was standardized without the use of Liquid nitrogen. The DNA used for further studies were obtained by using standardized protocol. …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 3, 2012 · pp. 25–34 Read article
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Estimation of Genetic Diversity in Some Species of Meliaceae Family through RAPD Technique
Abstract: Random amplified polymorphic DNA (RAPD) analysis has proved to be useful in determining genetic relationship and variation in many plant species, result of RAPD analysis can be used to determine genetic distances and relatedness within or among species, which can then be utilized in construction of phytogenetic. RAPD analysis could also provide useful insights into the phylogenetic relationship. RAPD is a polymerase chain reaction (PCR), which is based on dominant …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 5, Issue 3, 2015 · pp. 11–17 Read article
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Bioinformatics-based Characterization of Stress Tolerance Spermidine Synthase from Zea mays
Abstract: The response to sensing environmental stress by plants is very important and can be short term by the synthesis of some protecting molecules against stress or long term by expressing phenotypic plasticity with alteration of developmental programme. The ability to respond to abiotic stress represents the main constraint on maize production. The spermidine synthase genes (Zmspds1 and Zmspds2) in Zea mays genome were identified by the PCR amplification and expression …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 3, Issue 2, 2013 · pp. 26–33 Read article
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Multiplex PCR Assay for Rapid Detection of Different Strains of Escherichia coli Associated with Fish and Fishery Products
Abstract: A multiplex PCR (MPCR) assay was developed for the detection of Escherichia coli using selected primers designated on the species- and strains-specific genes such as hlyA, LT1 and phoA. The internal regions amplified were having a product size of 165, 275, and 903 bp, respectively. This MPCR assay had a sensitivity of detecting four cells of E. coli within 10 h in artificially contaminated shrimp tissue homogenate. The MPCR assay …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 4, Issue 3, 2014 · pp. 1–9 Read article