D. Ragupathy

Publications52
h-index16
Citations910
Highly Influential Citations12
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Development of new alumina-modified sorbents for CO2 sorption and regeneration at temperatures below 200 °C
Abstract A new regenerable alumina-modified sorbent was developed for CO 2 capture at temperatures below 200 °C. The CO 2 capture capacity of a potassium-based sorbent containing Al 2 O 3 (KAlI)… Expand
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Development of a stable cholesterol biosensor based on multi-walled carbon nanotubes-gold nanoparticles composite covered with a layer of chitosan-room-temperature ionic liquid network.
A novel amperometric biosensor was fabricated based on the immobilization of cholesterol oxidase (ChOx) into a cross-linked matrix of chitosan (Chi)-room-temperature ionic liquid (IL)… Expand
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Electrocatalytic oxidation and determination of ascorbic acid in the presence of dopamine at multiwalled carbon nanotube–silica network–gold nanoparticles based nanohybrid modified electrode
Abstract Multiwalled carbon nanotubes (MWNTs) was grafted onto silica network (MWNT–silica-NW) by sol–gel process. MWNT–silica-NW was further electrodeposited with gold nanoparticles (AuNPs). The… Expand
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An electrochemical glucose biosensor exploiting a polyaniline grafted multiwalled carbon nanotube/perfluorosulfonate ionomer-silica nanocomposite.
A glucose biosensor was fabricated with loading of glucose oxidase (GOx) into a new organic-inorganic hybrid nanocomposite. The preparation involves formation of silica network into a Nafion… Expand
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Synergistic contributions of multiwall carbon nanotubes and gold nanoparticles in a chitosan–ionic liquid matrix towards improved performance for a glucose sensor
Abstract We report an ingenious approach for the fabrication of a promising glucose sensor, GOx/Au/CS–IL–MWNT(SH), that exploits the synergistic beneficial characteristics of multiwalled-carbon… Expand
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Multiwalled carbon nanotubes grafted chitosan nanobiocomposite: A prosperous functional nanomaterials for glucose biosensor application
Abstract Multiwalled carbon nanotubes (MWNTs) grafted chitosan (CS) nanowire (NW) was prepared by phase separation method. Glucose oxidase (GOx) was sequentially immobilized into MWNT-CS-NW to obtain… Expand
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Fabrication and properties of poly(vinylidenefluoride)/PbS/Au heterogeneous nanostructures.
We report on the fabrication of polyvinylidenefluoride (PVdF) PVdF/PbS and PVdF/PbS/Au heterogeneous nanostructures by the processes, electrospinning and chemical treatment. Initially electrospinning… Expand
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Fabrication of novel chitosan nanofiber/gold nanoparticles composite towards improved performance for a cholesterol sensor
Abstract A novel amperometric cholesterol biosensor was fabricated by the immobilization of ChOx (cholesterol oxidase) onto the chitosan nanofibers/gold nanoparticles (designated as CSNFs/AuNPs)… Expand
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Chitosan Based Nanocomposite Biosensors: A Recent Review
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Pd (core)-Au (shell) nanoparticles catalyzed conversion of NADH to NAD+ by UV-vis spectroscopy--a kinetic analysis.
Kinetics of Pd (core)-Au (shell) nanoparticles (NPs) catalyzed transformation of dihydronicotinamide adenine dinucleotide (NADH) to NAD(+) was monitored by UV-vis spectroscopy. Pd (core)-Au (shell)… Expand
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