Search Results - "R. Kumar"
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Aquatic biomass (algae) as a future feed stock for bio-refineries: A review on cultivation, processing and products
Published in Renewable & sustainable energy reviews (01-07-2015)“…Global outlook of biofuels turns out to be a full-fledged search focusing the viability and sustainability assets. The present day option for immediate and…”
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2
Biodiesel from microalgae: A critical evaluation from laboratory to large scale production
Published in Applied energy (01-03-2013)“…The economically significant production of carbon-neutral biodiesel from microalgae has been hailed as the ultimate alternative to depleting resources of…”
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3
Structural, morphological, enhanced magnetic properties and antibacterial bio-medical activity of rare earth element (REE) cerium (Ce3+) doped CoFe2O4 nanoparticles
Published in Journal of magnetism and magnetic materials (15-04-2019)“…•Rare earth element Ce3+ doped CoFe2O4 NPs were prepared by simple sol-gel combustion technique.•Cerium was successfully substituted into the spinel lattice…”
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4
Integrated adsorption-membrane filtration process for antibiotic removal from aqueous solution
Published in Powder technology (01-11-2017)“…This study investigated the removal of two widely used antibiotics, norfloxacin (NOR) and ofloxacin (OFL) from aqueous solution by employing a novel integrated…”
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5
Measuring Hall viscosity of graphene's electron fluid
Published in Science (American Association for the Advancement of Science) (12-04-2019)“…An electrical conductor subjected to a magnetic field exhibits the Hall effect in the presence of current flow. Here we report a qualitative deviation from the…”
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6
Predicting the thermal distribution in a convective wavy fin using a novel training physics-informed neural network method
Published in Scientific reports (25-03-2024)“…Fins are widely used in many industrial applications, including heat exchangers. They benefit from a relatively economical design cost, are lightweight, and…”
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7
A Comparative Simulation Study of the Different Variations of PZT Piezoelectric Material by Using A MEMS Vibration Energy Harvester
Published in IEEE transactions on industry applications (01-05-2022)“…In this article, the presented work aims to scavenge maximum electrical outputs by using the novel microelectromechanical system flared-U shaped spring based…”
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8
Negative local resistance caused by viscous electron backflow in graphene
Published in Science (American Association for the Advancement of Science) (04-03-2016)“…Graphene hosts a unique electron system in which electron-phonon scattering is extremely weak but electron-electron collisions are sufficiently frequent to…”
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9
Garlic, green tea and turmeric extracts-mediated green synthesis of silver nanoparticles: Phytochemical, antioxidant and in vitro cytotoxicity studies
Published in Journal of photochemistry and photobiology. B, Biology (01-03-2018)“…Phyto-synthesis of silver nanoparticles (AgNPs) was achieved using aqueous garlic, green tea and turmeric extracts, and characterized by different…”
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10
River water treatment using electrocoagulation for removal of acetaminophen and natural organic matter
Published in Chemosphere (Oxford) (01-06-2021)“…Electrocoagulation (EC) was assessed for removal of acetaminophen and natural organic matter (measured as UV254) from river water. Process was assessed for…”
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11
Plant Antiviral Immunity Against Geminiviruses and Viral Counter-Defense for Survival
Published in Frontiers in microbiology (26-06-2019)“…The family includes plant-infecting viruses whose genomes are composed of one or two circular non-enveloped ssDNAs(+) of about 2.5-5.2 kb each in size. These…”
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12
Elaboration of novel tubular ceramic membrane from inexpensive raw materials by extrusion method and its performance in microfiltration of synthetic oily wastewater treatment
Published in Journal of membrane science (15-09-2015)“…A tubular ceramic microfiltration membrane was prepared by an extrusion technique using inexpensive clay mixtures namely, ball clay, kaolin, feldspar, quartz,…”
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13
An intensified approach for transesterification of biodiesel from Annona squamosa seed oil using ultrasound-assisted homogeneous catalysis reaction and its process optimization
Published in Fuel (Guildford) (01-05-2021)“…[Display omitted] •Annona squamosa seed oil was found as a new source for biodiesel production.•Ultrasound assisted extraction of oil was assessed to extract…”
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14
Exploration of Arrhenius activation energy on hybrid nanofluid flow over a curved stretchable surface
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-12-2021)“…Scientists and engineers have experimentally noticed that the heat transfer is essential for preeminence of multi scale production. Thermal properties are…”
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15
Analysis and Design of a Discrete-Time Delta-Sigma Modulator Using a Cascoded Floating-Inverter-Based Dynamic Amplifier
Published in IEEE journal of solid-state circuits (01-11-2022)“…This article presents a delta-sigma modulator (DSM) using a cascoded floating-inverter-based dynamic amplifier. The proposed cascoded dynamic amplifier…”
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16
Insights about sustainable biodiesel production from microalgae biomass: A review
Published in International journal of energy research (10-10-2021)“…Summary Production of biodiesel from microalgae can be categorized as a symbiotic engineering solution focusing on energy and environmental problems. This…”
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17
Biodiesel production using chemical and biological methods – A review of process, catalyst, acyl acceptor, source and process variables
Published in Renewable & sustainable energy reviews (01-10-2014)“…The indiscriminate extraction and consumption of fossil fuels have left the world with a corner kick into the area of exponential fuel demand and now the race…”
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18
Analysis of Stability, Noise, and Design Guidelines for a Cascaded Floating-Inverter Amplifier
Published in IEEE transactions on circuits and systems. II, Express briefs (01-09-2024)“…This brief analyzes the stability and noise in a cascaded floating-inverter amplifier (FIA). We show that the closed-loop stability of a switched-capacitor…”
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19
Two-phase flow of dusty fluid with suspended hybrid nanoparticles over a stretching cylinder with modified Fourier heat flux
Published in SN applied sciences (01-03-2021)“…The current paper explores the influence of hybrid nanoparticles on the dusty liquid flow through a stretching cylinder by employing the modified Fourier heat…”
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20
Multifaceted role of geminivirus associated betasatellite in pathogenesis
Published in Molecular plant pathology (01-07-2019)“…Summary Begomoviruses have emerged as a group of plant pathogens that cause devastating diseases in a wide range of crops in tropical and subtropical regions…”
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