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125 articles for “Substrate effect”
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DNA Hybridization Biosensor using Silicon Nanowire PIC Waveguide
Abstract: Abstract: In this paper, silicon nanowire based optical waveguide is investigated to discover its application as a bio-detecting reason. In silicon nanowire based optical waveguide, silicon bars are vertically adjusted in 2-dimensional exhibit design over SiO2 substrate. These silicon bars are of couple of nanometer sizes and called as nanowire. Low Refractive Index (RI) gapping in these silicon wires holds the optical power. Quasi-TE mode is supported by these vertical …
Published in Recent Trends in Sensor Research & Technology · Vol. 6, Issue 1, 2019 · pp. 7–12 Read article
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From Molecular Mechanics to Nanocomposites: Engineering Polytetrafluoroethylene (PTFE) for High-performance Coating Applications
Abstract: Polytetrafluoroethylene (PTFE) exhibits remarkable chemical inertness, hydrophobicity, antifriction, self-lubrication, and high-temperature resilience, making it an ideal polymer for various industrial applications, including coatings for medical implants, machinery parts, and corrosion-resistant structures. This study presents a comprehensive analysis of PTFE’s structural properties, focusing on helix reversals within its helical carbon-fluorine chains and their effects on mechanical behavior. The phase transitions of PTFE at temperatures from ambient to high (198°C and above) …
Published in International Journal of Advance in Molecular Engineering · Vol. 2, Issue 2, 2024 · pp. 14–19 Read article
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Experimental Investigation on Mechanical Characterization of Electrodeposited Shot Peened Copper Coated and Un-Coated Mild Steel
Abstract: The fatigue strength of fabricated copper coating on mild steel specimens under repeated loading and the overall number of cycles to failure has been investigated. The specimens of copper coating on mild steel substrate are fabricated by using an electro deposition shot peening method. The hardness behaviour of fabricated specimens studied and the experimental work has been carried out by using Vickers Micro Hardness under the load of 20N force. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 279–288 Read article
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Unlocking Novel Drug Targets and Therapeutic Advancements Against RNA Viruses: Insights from HMPV and SARS-CoV-2
Abstract: Re-emerging RNA viruses pose a significant epidemiological welfare threat due to their high mutation rates, potential for zoonotic transmission, and capacity to cause widespread outbreaks such as Human Metapneumovirus (HMPV), Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Influenza, etc. The rapid evolution and re-emergence of these viruses necessitate the development of novel drug targets and therapeutic strategies to combat existing and future outbreaks. This study focuses on structural as well …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 3, 2025 · pp. 54–86 Read article
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Production and optimization of amylase enzyme using bacillus subtilis under solid state fermentation and its characterization
Abstract: This study employed solid state fermentation to maximize amylase production by Bacillus subtilis (OR578403). The research began by discovering and analyzing amylase-producing bacteria in soil samples followed with biochemical, molecular characterization. By using commercially available substrates like wheat bran, rice bran, and wheat rava were obtained from the local market and employed as solid substrates, which may influence amylase production and to be assessed. The identified organism was Bacillus subtilis, …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 4, Issue 1, 2026 · pp. 37–52 Read article
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Production of Xylanase on Different Synthetic Media by Three Fruit-Rot Fungi of Banana (Musa paradisiaca L.)
Abstract: Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Production of xylanase by three fruit-rot fungi – Macrophomina phaseolina R-4242, Fusarium oxysporum sp.QJC-1403 and Nigrospora oryzae NRRL 54030 – isolated from the decaying fruits of banana on …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 3, 2011 · pp. 6–11 Read article
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Samarium Borohydride as Effective Reagent for Synthesis of Various Imines and Secondary Amines
Abstract: A new and economical route for the oxidative homo-coupling of benzylamines with other aryl amines, and cross-coupling of benzyl alcohol and diverse arylamines to give respective imines with a high yield, and chemo-selectivity using samarium borohydride as the catalyst in a mild condition is reported. The sequential addition of samarium borohydride in a one-pot reaction to the imines generated in situ led to the generation of a number of secondary …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 1, 2018 · pp. 21–50 Read article
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Optimization of Red Pigment Yield from Monscus purpureus Solid State Fermentation (Isolation and Characterization of Monscus purpureus and Optimization of its Red Pigment Production)
Abstract: Natural pigments production is one of the important approaches recently for being natural and having therapeutic properties. Monscus purpureus was isolated from imported red yeast rice, characterized and propagated on local rice as solid state culture. Morphological characteristics which include colonies, ascosporous and conidial stage were used to identify the fungi besides its red pigment production. Red pigment was produced using 10% of seed culture of Monescus purpureus, incubated at …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 4, Issue 2, 2015 · pp. 21–29 Read article
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Interfacial Bonding and Performance of Polymer-Based CFRP Composites in Externally Applied Configurations
Abstract: Polymer-based carbon fiber reinforced polymer (CFRP) composites are widely used for externally bonded strengthening and retrofitting applications due to their high strength-to-weight ratio and adaptability to existing structures. In such systems, overall performance is governed not only by the fiber–matrix interaction within the laminate, but more critically by the polymer adhesive layer and its interaction with the substrate. Polymer chemistry, interfacial bonding mechanisms, processing conditions, and environmental exposure collectively influence …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 952–966 Read article
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Advanced Functional Nanocomposites: Graphene Oxide Integration into Polyvinyl Alcohol Matrix
Abstract: This research explores how incorporating graphene oxide (GO) into polyvinyl alcohol (PVA) can improve its mechanical and thermal characteristics, with the goal of creating multifunctional nanocomposites suitable for advanced technological applications. GO was introduced into the PVA matrix at 0.5, 1, and 2 wt% via a scalable solution casting method. The resulting nanocomposites were characterized mechanically, thermally, and spectroscopically. Tensile testing revealed a significant improvement in mechanical performance, with tensile …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 50–59 Read article
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Microbial Population Dynamics during Phytobioremediation of Hydrocarbon- Contaminated Swampy and Clay Soils
Abstract: Soil contamination by petroleum hydrocarbons remains a critical environmental challenge, particularly in wetland and clay-rich ecosystems where natural attenuation processes are often limited. This study investigates the response of total heterotrophic bacteria (THB) during the bioremediation of hydrocarbon-contaminated swampy and clay soils amended with Moringa oleifera biomass and elephant grass (Pennisetum purpureum). The objective was to evaluate microbial population dynamics under varying amendment dosages and to identify treatment conditions favorable …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 1, 2026 · pp. 31–35 Read article
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Wideband Microstrip Slot Antenna Using Shape Blending Algorithm
Abstract: For the effective wireless communication over long distances, the antennas with wideband operation and narrow beam widths are the requirements for the evolving modern mobile devices. This paper presents the design and analysis of the wideband patch antenna with slot using shape blending algorithm. The major advantage of this algorithm is to optimize the shape of the radiating element by applying Heaviside function to improve the performance characteristics of the …
Published in Journal of Mechatronics and Automation · Vol. 9, Issue 1, 2022 · pp. 19–27 Read article
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Development of Compact RF Filters for Modern Wireless Communication Systems
Abstract: Modern wireless communication systems such as 5G, 6G, Internet of Things (IoT), satellite communication, radar systems, and smart wireless networks require compact and highly efficient RF filters for reliable signal transmission and interference suppression. RF filters are important components that allow desired frequency signals to pass while rejecting unwanted frequencies and noise. With the rapid growth of wireless devices and limited spectrum resources, the demand for miniaturized, low-loss, multi-band, and …
Published in Journal of Microwave Engineering and Technologies · Vol. 13, Issue 2, 2026 Read article
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Advanced 4-Element UWB-MIMO Antenna Design: Achieving High Isolation and Multi-Band Rejection for Advanced Wireless Applications
Abstract: In this study, we present the design, fabrication, and analysis of a step-by-step Ultra-Wideband (UWB) Multi-Input Multi-Output (MIMO) antenna operating from 3 to 14 GHz. The antenna consists of four elements, each characterized by high isolation and equipped with four band-rejection features. These elements are implemented on a Rogers substrate with εr=3. Each antenna element is a modified rectangular patch, incorporating partial ground etching to achieve wider bandwidth. Two sets …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 1, 2025 · pp. 40–62 Read article
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A Review of Textile Materials for Wearable Antenna
Abstract: Now a day’s importance of wearable textiles in the antenna segment has been increased due to the recent miniaturization of wireless devices. A wearable antenna is stands as a part of the clothing used for communication purposes, which includes tracking and navigation, mobile computing, public safety and wireless communication. By using Wireless Body Sensor Networks for healthcare and pervasive applications, the design of wearable antennas offers the possibility of ubiquitous …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 7–14 Read article
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A Review on Chiral Metamaterials and its Applications in Antennas
Abstract: AbstractThis paper presents a review of the chiral metamaterials (CMM) and their different specific properties like circular dichroism, negative refractive index, and giant optical activity. The physical properties of metàmaterials circular dichroism and the method of retrieval of effective parameters of the CMM are discussed in detail. The various classes of the chiral metamaterial and their results of the simulation are presented. The study shows that the chiral metamaterials have …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 2, 2018 · pp. 5–16 Read article
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Bioscouring And Anionization of Waste Cotton Fabric for Efficient Removal of Malachite Green Dye
Abstract: Adsorption is an efficient method for dye removal but the high cost of adsorbents limits its use, emphasizing the need for sustainable, low-cost alternatives. This study explores the usage of modified cotton fabric for the treatment of malachite green (cationic dye) from wastewater. Cellulase extracted from Raphanus sativus and Daucus carota were evaluated for bioscouring potential which was confirmed by scanning electron microscopy. Further, cotton fabric was chemically modified using …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 53–68 Read article
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Role of Carboxylesterases in Xenobiotic Metabolism and Detoxification: Insights for Cheminformatics Approaches
Abstract: Xenobiotics, which include a wide range of environmental pollutants, food additives, drugs, and carcinogens, are foreign chemical entities that enter the human body and may accumulate, leading to toxic effects. Phase I and phase II metabolic responses are among the detoxification procedures that are necessary to lessen these negative consequences. This review highlights the pivotal role of carboxylesterases (CES), enzymes involved in the hydrolysis of ester, amide, and thioester bonds …
Published in International Journal of Cheminformatics · Vol. 2, Issue 2, 2024 · pp. 9–17 Read article
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Analysis of Fractal based Nested Geometries Built on Design Configurations
Abstract: AbstractFractal antenna based on the nested geometries are proposed and designed in this letter. The paper depicts the design optimization of the nested geometries for multi-rate characteristics. The antenna is fed by waveguide port. The design is obtained at the center frequency 3.5 GHz. Moreover the effect various nested elements have been observed in the geometry. The modification in geometry is introduced using pentagonal elements of the patch. The enhancement …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 3, 2014 · pp. 9–17 Read article
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Immobilization of Carbonic Anhydrase: A Review
Abstract: Excessive levels of greenhouse gases (GHGs) have a devastating effect on life and the environment. Due to increasing CO2 emissions, there are several carbon sequestration techniques that have been employed such as oceanic injection, geological injection, and scrubbing and carbonation which are expensive, prone to leakage and have limited efficiency. They also require careful regulation and monitoring. Therefore, there is a need for an efficient and cost-effective technique to combat …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 6, Issue 3, 2016 · pp. 10–18 Read article