Processing methods, characteristics and adsorption behavior of tire derived carbons: a review

TA Saleh, VK Gupta - Advances in colloid and interface science, 2014 - Elsevier
The remarkable increase in the number of vehicles worldwide; and the lack of both technical
and economical mechanisms of disposal make waste tires to be a serious source of …

Study on the removal of heavy metal ions from industry waste by carbon nanotubes: effect of the surface modification: a review

VK Gupta, O Moradi, I Tyagi, S Agarwal… - Critical Reviews in …, 2016 - Taylor & Francis
Removal of noxious materials such as heavy metal ions (which are hazardous above certain
ppm concentration) from wastewater is one of the biggest environmental challenges that …

Removal of basic dye Auramine-O by ZnS: Cu nanoparticles loaded on activated carbon: optimization of parameters using response surface methodology with central …

A Asfaram, M Ghaedi, S Agarwal, I Tyagi, VK Gupta - RSC advances, 2015 - pubs.rsc.org
This research is focused on the ultrasound-assisted removal of Auramine-O (AO) dye from
aqueous solutions using ZnS: Cu nanoparticles loaded on activated carbon (ZnS: Cu-NP …

Preparation and characterization of V2O5/ZnO nanocomposite system for photocatalytic application

R Saravanan, VK Gupta, E Mosquera… - Journal of Molecular …, 2014 - Elsevier
The removal of dyes from industrial wastewater using visible-light driven catalyst is one of
the major challenging issues. Vanadium pentoxide (V 2 O 5) has a considerable attention as …

A reversible fluorescence “off–on–off” sensor for sequential detection of aluminum and acetate/fluoride ions

VK Gupta, N Mergu, LK Kumawat, AK Singh - Talanta, 2015 - Elsevier
A new rhodamine functionalized fluorogenic Schiff base CS was synthesized and its
colorimetric and fluorescence responses toward various metal ions were explored. The …

Green synthesis of carbon dots from prawn shells for highly selective and sensitive detection of copper ions

G Gedda, CY Lee, YC Lin, H Wu - Sensors and Actuators B: Chemical, 2016 - Elsevier
A facile, economical and effective green method was developed for synthesis of fluorescent
carbon dots (C-dots) from prawn shells. The results showed that these C-dots (with an …

Selective naked-eye detection of magnesium (II) ions using a coumarin-derived fluorescent probe

VK Gupta, N Mergu, LK Kumawat, AK Singh - Sensors and Actuators B …, 2015 - Elsevier
Abstract A simple 4-Methyl-7-hydroxy-8-formyl Coumarin (CS) serves as a selective
chemosensor for Mg 2+ in the presence of alkali and alkaline earth metal ions. It showed a …

Polymers in sensor applications

B Adhikari, S Majumdar - Progress in polymer science, 2004 - Elsevier
Because their chemical and physical properties may be tailored over a wide range of
characteristics, the use of polymers is finding a permanent place in sophisticated electronic …

Electrochemical analysis of some toxic metals by ion–selective electrodes

VK Gupta, MR Ganjali, P Norouzi, H Khani… - Critical Reviews in …, 2011 - Taylor & Francis
An overview of potentiometric sensors that are capable of detecting toxic heavy metal ions in
environmental samples is presented and discussed. Notwithstanding the tremendous work …

Simultaneous determination of hydroxylamine, phenol and sulfite in water and waste water samples using a voltammetric nanosensor

VK Gupta, H Karimi-Maleh, R Sadegh - International Journal of …, 2015 - Elsevier
This paper describes the development a novel 8, 9-dihydroxy-7-methyl-12H-benzothiazolo
[2, 3-b] quinazolin-12-one-ZnO/CNTs modified carbon paste electrode (DMBQ/ZnO/CNTs …