Search Results - "Kumar Sonkar, Piyush"

Electrochemical investigation of gold nanoparticles incorporated zinc based metal-organic framework for selective recognition of nitrite and nitrobenzene by Yadav, Dharmendra Kumar, Ganesan, Vellaichamy, Sonkar, Piyush Kumar, Gupta, Rupali, Rastogi, Pankaj Kumar

“…•Gold nanoparticles incorporated zinc based metal-organic framework is synthesized.•It electro-catalyzes nitrite oxidation and nitrobenzene reduction.•Nitrite…”
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Enhanced Four‐Electron Selective Oxygen Reduction Reaction at Carbon‐Nanotube‐Supported Sulfonic‐Acid‐Functionalized Copper Phthalocyanine by Yadav, Mamta, Kumar Singh, Devesh, Kumar Yadav, Dharmendra, Kumar Sonkar, Piyush, Gupta, Rupali, Ganesan, Vellaichamy

“…Abstract In the present work, the oxygen reduction reaction (ORR) is explored in an acidic medium with two different catalytic supports (multi‐walled carbon…”
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Electrocatalytic Oxidation and Determination of Cysteine at Oxovanadium(IV) Salen Coated Electrodes by Sonkar, Piyush Kumar, Rao, Vijay, Ganesan, Vellaichamy

“…A transition metal complex, oxovanadium(IV) salen (where salen represents N,N′-bis(salicylidene)ethylenediamine) is immobilized on glassy carbon (GC)…”
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Synthesis and characterization of silver nanoparticle-anchored amine-functionalized mesoporous silica for electrocatalytic determination of nitrite by Sonkar, Piyush Kumar, Ganesan, Vellaichamy

“…This work describes an easy and simple method for the synthesis of silver nanoparticles (Ag Nps) incorporated amine-functionalized silica (AFS) and its…”
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Gold nanoparticles decorated mesoporous silica microspheres: A proficient electrochemical sensing scaffold for hydrazine and nitrobenzene by Gupta, Rupali, Rastogi, Pankaj Kumar, Ganesan, Vellaichamy, Yadav, Dharmendra Kumar, Sonkar, Piyush Kumar

“…[Display omitted] •Gold nanoparticles decorated mesoporous silica microspheres (Au-MSM) are synthesized.•Au-MSM electrocatalytically oxidizes hydrazine and…”
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Cobalt oxide nanocrystals anchored on graphene sheets for electrochemical determination of chloramphenicol by Yadav, Mamta, Ganesan, Vellaichamy, Gupta, Rupali, Yadav, Dharmendra Kumar, Sonkar, Piyush Kumar

“…This study demonstrates the hydrothermal synthesis of cobalt oxide (Co3O4) nanocrystals on reduced graphene oxide (rGO) which is further utilized to construct…”
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Insight into efficient bifunctional catalysis: Oxygen reduction and oxygen evolution reactions using MWCNTs based composites with 5,10,15,20-tetrakis(3′,5′-dimethoxyphenyl)porphyrinato cobalt(II) and 5,10,15,20-tetrakis(3′,5′-dihydroxyphenyl)porphyrinato cobalt(II) by Yadav, Mamta, Sonkar, Piyush Kumar, Prakash, Kamal, Ganesan, Vellaichamy, Sankar, Muniappan, Yadav, Dharmendra Kumar, Gupta, Rupali

“…Development of cost-effective, durable, and efficient bifunctional electrocatalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is…”
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Metal@MOF Materials in Electroanalysis: Silver-Enhanced Oxidation Reactivity Towards Nitrophenols Adsorbed into a Zinc Metal Organic Framework—Ag@MOF-5(Zn) by Yadav, Dharmendra Kumar, Ganesan, Vellaichamy, Marken, Frank, Gupta, Rupali, Sonkar, Piyush Kumar

“…[Display omitted] •Ag@MOF-5(Zn) nanocomposite synthesisied in a hydrothermal process and investigated by electrochemical methods.•Mechanism of nitrophenol…”
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Highly dispersed multiwalled carbon nanotubes coupled manganese salen nanostructure for simultaneous electrochemical sensing of vitamin B2 and B6 by Sonkar, Piyush Kumar, Ganesan, Vellaichamy, Sen Gupta, Susanta K., Yadav, Dharmendra Kumar, Gupta, Rupali, Yadav, Mamta

“…A nanocomposite of Mn(salen)Cl (where salen is N,N′-bis(salicylidene)ethylenediamine) and multiwalled carbon nanotubes (MWCNTs) is prepared. The advantageous…”
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Nickel phthalocyanine integrated graphene architecture as bifunctional electrocatalyst for CO2 and O2 reductions by Sonkar, Piyush Kumar, Ganesan, Vellaichamy, Gupta, Rupali, Yadav, Dharmendra Kumar, Yadav, Mamta

“…Efficient, durable and low cost electrocatalysts for O2 and CO2 reductions are required as alternate to expensive metal based catalysts in fuel cells and in…”
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Phenosafranine encapsulated mesoporous silica as efficient electrocatalyst for Cr(VI) reduction and its subsequent sensitive determination by Gupta, Rupali, Ganesan, Vellaichamy, Sonkar, Piyush Kumar, Yadav, Dharmendra Kumar, Yadav, Mamta

“…[Display omitted] •Phenosafranine immobilized –SO3− functionalized mesoporous silica microspheres, PSF+-MS-SO3− is prepared and characterized.•PSF+-MS-SO3−…”
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Individual and simultaneous voltammetric determination of ascorbic acid, uric acid and folic acid by using a glassy carbon electrode modified with gold nanoparticles linked to bentonite via cysteine groups by Yadav, Dharmendra Kumar, Gupta, Rupali, Ganesan, Vellaichamy, Sonkar, Piyush Kumar

“…A voltammetric sensor for both the individual and the simultaneous determination of ascorbic acid (AA), uric acid (UA) and folic acid (FA) is described. It is…”
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Palladium nanoparticles supported on mesoporous silica microspheres for enzyme-free amperometric detection of H2O2 released from living cells by Gupta, Rupali, Singh, Priya, Ganesan, Vellaichamy, Koch, Biplob, Rastogi, Pankaj Kumar, Yadav, Dharmendra Kumar, Sonkar, Piyush Kumar

“…[Display omitted] •An enzyme-free H2O2 amperometric sensor is developed.•Pd nanoparticles supported on sulfonic acid functionalized mesoporous silica…”
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Sensing of mercury ion using light induced aqueous leaf extract mediated green synthesized silver nanoparticles of Cestrum nocturnum L by Kumar, Pradeep, Sonkar, Piyush Kumar, Tiwari, Kavindra Nath, Singh, Amit Kumar, Mishra, Sunil Kumar, Dixit, Jyoti, Ganesan, Vellaichamy, Singh, Jasmeet

“…In this study, a simple, one-pot, and eco-friendly biosynthesis of silver nanoparticles (AgNPs) was accomplished with the use of aqueous leaves extract of …”
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Sensitive Determination of Acetaminophen in the Presence of Dopamine and Pyridoxine Facilitated by their Extent of Interaction with Single‐walled Carbon Nanotubes by Yadav, Mamta, Ganesan, Vellaichamy, Maiti, Biswajit, Gupta, Rupali, Sonkar, Piyush Kumar, Yadav, Dharmendra Kumar, Walcarius, Alain

“…Single‐walled carbon nanotubes (SWCNTs) were immobilized on glassy carbon (GC) electrode by drop casting The resulting modified electrode (represented as…”
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Ultrafast detection of ammonia at room temperature and subsequent electrochemical water splitting via the ionic liquid templated nano nickel oxide by Joy, Miji E., Sah, Neeraj Kumar, Phukan, Shankab Jyoti, Ganesan, Vellaichamy, Roy, Manas, Sonkar, Piyush Kumar, Garai, Somenath, Sankaranarayanan, Kamatchi

“…In this work, biopolymers like chitosan and Bovine Serum Albumin (BSA) templated and ionic liquid (IL)-driven synthesis of crystalline NiO nanoparticles for…”
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Polymeric Co(salen) scaffold for the electrochemical determination of acetaminophen in pharmaceutical sample by Sonkar, Piyush Kumar, Ganesan, Vellaichamy, Prajapati, Abhilasha

“…A polymeric Co(salen) (where salen = N , N ′-bis(salicylidene)ethylenediamine) electrochemical sensing scaffold was prepared by electropolymerization of…”
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In situ Electrochemical Synthesis of a Composite Film Containing Nickel Hexacyanoferrate and Bentonite Clay for the Sensitive Determination of Acetaminophen and Dopamine by Yadav, Mamta, Singh, Preeti, Ganesan, Vellaichamy, Gupta, Rupali, Sonkar, Piyush Kumar, Yadav, Dharmendra Kumar

“…A composite film of nickel hexacyanoferrate (NiHCF) and bentonite (Bt) clay (abbreviated as NiHCF−Bt) is synthesized by an in situ electrochemical method. For…”
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Simple route to anchor silver nanoparticles into thiol-functionalized mesoporous silica: synthesis, characterization and electrochemical applications by Sonkar, Piyush Kumar, Ganesan, Vellaichamy, Gupta, Rupali, Yadav, Dharmendra Kumar

“…This work describes an elegant route to synthesize silver nanoparticles (AgNPs) into thiol-functionalized mesoporous silica (TFS). The successful synthesis of…”
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Electrochemical sensing platform for hydrogen peroxide determination at low reduction potential using silver nanoparticle-incorporated bentonite clay by Yadav, Dharmendra Kumar, Gupta, Rupali, Ganesan, Vellaichamy, Sonkar, Piyush Kumar, Rastogi, Pankaj Kumar

“…The electrocatalytic activity of silver nanoparticle-incorporated bentonite clay (Ag-Bt) for hydrogen peroxide (H 2 O 2 ) reduction is investigated in 0.1 M pH…”
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