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Results for “"Ajaya Kumar Singh"”

31+ results

The World Around Bottled Water

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Bhawana Jain, Ajaya Kumar Singh, Md. Abu Bin Hasan Susan

Journal: Elsevier eBooksYear: 2019Citations: 25

Water, the most important substance in our evolution, is an integral part of the human life and health in particular. The devoid of water makes life impossible and next to air, it is the most indispensable thing. A man can survive for a month without food but cannot live even for 10 days without wat...

Physical SciencesEnvironmental ScienceManagement, Monitoring, Policy and Law
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Hydrophilic ionic liquid assisted hydrothermal synthesis of ZnO nanostructures with controllable morphology

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Mousumi Akter, Md. Arif Faisal, Ajaya Kumar Singh, Md. Abu Bin Hasan Susan

Journal: RSC AdvancesYear: 2023Citations: 22

-average diameter, evaluated from dynamic light scattering measurements, increased as the concentration of the IL increased and passed through a maximum before decreasing again. The optical band gap energy of the ZnO nanostructures decreased when IL was added during the synthesis which is consistent...

Physical SciencesMaterials ScienceMaterials ChemistryOpen Access
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Solochrome Dark Blue Azo Dye Removal by Sonophotocatalysis Using Mn2+ Doped ZnS Quantum Dots

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Jyoti Patel, Ajaya Kumar Singh, Bhawana Jain, Sushma Yadav et al.

Journal: CatalystsYear: 2021Citations: 20

This work investigates the degradation of the azo dye solochrome dark blue (SDB) by measurement of the photocatalytic, sonocatalytic and sonophotocatalytic activities, under low ultrasonic frequency (40 kHz) and UV-C (254 nm) light, using Mn-doped ZnS semiconductor quantum dots (Mn2+:ZnS Qds) as cat...

Physical SciencesEnergyRenewable Energy, Sustainability and the EnvironmentOpen Access
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Chicken feathers derived materials for the removal of chromium from aqueous solutions: kinetics, isotherms, thermodynamics and regeneration studies

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Rupa Chakraborty, Anupama Asthana, Ajaya Kumar Singh, Renu Verma et al.

Journal: Journal of Dispersion Science and TechnologyYear: 2020Citations: 19

In the present study, chicken feathers (CFs), obtained from animal waste, were used as bio-adsorbent for the removal of hazardous Cr(VI) ions from aqueous solutions. Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDX), x-ray ...

Physical SciencesEnvironmental ScienceWater Science and Technology
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Catalytic Properties of Graphene Oxide Synthesized by a “Green” Process for Efficient Abatement of Auramine-O Cationic Dye

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Bhawana Jain, Ayesha Hashmi, Sunita Sanwaria, Ajaya Kumar Singh et al.

Journal: Analytical Chemistry LettersYear: 2020Citations: 18

The management of water pollution in the world is an important need and easy to implement methods are urgently needed for water purification. In this study, efforts were made to assess the efficiency of graphene oxide (GO) as a catalyst in the Fenton process to degrade water pollutants, using the Au...

Physical SciencesEnergyRenewable Energy, Sustainability and the Environment
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Kinetic study of oxidation of paracetamol by water-soluble colloidal MnO2 in the presence of an anionic surfactant

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Ajaya Kumar Singh, Neelam Sen, Som Kumar Chatterjee, Md. Abu Bin Hasan Susan

Journal: Colloid & Polymer ScienceYear: 2016Citations: 18
Physical SciencesChemistryOrganic Chemistry
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Degradation of methylene blue and methyl violet using graphene oxide/NiO/β-cyclodextrin nanocomposites as photocatalyst

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Ranjana Dewangan, Ayesha Hashmi, Anupama Asthana, Ajaya Kumar Singh et al.

Journal: International Journal of Environmental & Analytical ChemistryYear: 2020Citations: 14

We report the synthesis of graphene oxide/nickel oxide/β-cyclodextrin (GO/NiO/β-CD) nanocomposite and the efficiency of the nanocomposite in decolourising two different dyes, methylene blue (MB) and methyl violet (MV). GO was prepared by modified Hummer’s method while hydrothermal method was used fo...

Physical SciencesEnergyRenewable Energy, Sustainability and the Environment
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Metal Chalcogenide Nanocrystalline Solid Thin Films

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Soumya R. Deo, Ajaya Kumar Singh, Lata Deshmukh, Md. Abu Bin Hasan Susan

Journal: Journal of Electronic MaterialsYear: 2015Citations: 13
Physical SciencesMaterials ScienceMaterials Chemistry
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Treatment of pharmaceutical wastewater by heterogeneous Fenton process: an innovative approach

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Bhawana Jain, Ajaya Kumar Singh, Swati Banchhor, Sreekantha B. Jonnalagadda et al.

Journal: Nanotechnology for Environmental EngineeringYear: 2020Citations: 12
Physical SciencesEnergyRenewable Energy, Sustainability and the Environment
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Hydrophilic ionic liquid-assisted control of the size and morphology of ZnO nanoparticles prepared by a chemical precipitation method

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Mousumi Akter, Shazia Sharmin Satter, Ajaya Kumar Singh, M. Muhibur Rahman et al.

Journal: RSC AdvancesYear: 2016Citations: 9

A hydrophilic ionic liquid (IL), [EMIM][MeSO<sub>4</sub>] served as a self directing template during synthesis of ZnO nanoparticles (NPs) by chemical precipitation and the size and morphology of ZnO NPs depended on the concentration of the IL.

Physical SciencesChemical EngineeringCatalysis
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Phyto-nano-MgO quantum dots by ultrasonic formulation for evaluation of toxin In-Vivo/Vitro/Silico sequels

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S. Sreevidya, Sushma Yadav, Sunita Sanwaria, Yokraj Katre et al.

Journal: Chemical Engineering JournalYear: 2024Citations: 6
Physical SciencesMaterials ScienceMaterials Chemistry
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Editorial: Modification of polymers with gamma radiation for various high-performance applications

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Ajaya Kumar Singh, Rameshwar Adhikari, Md. Abu Bin Hasan Susan

Journal: Frontiers in ChemistryYear: 2022Citations: 6

EDITORIAL article Front. Chem., 29 September 2022Sec. Polymer Chemistry Volume 10 - 2022 | https://doi.org/10.3389/fchem.2022.1042056

Physical SciencesMaterials SciencePolymers and PlasticsOpen Access
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Highly Fluorescent ZnO Composite of N-doped Carbon Dots From Dregea Volubilis for Fluorometric Determination of Glucose in Biological Samples

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Yogita Sahu, Rajmani Patel, Ajaya Kumar Singh, Shalini Singh et al.

Journal: Journal of FluorescenceYear: 2024Citations: 5

A nano-sensor based on N-doped carbon dots (NCDs)@ZnO (NCZ) composite was fabricated and efficacy for detecting glucose from human blood and urine samples in a straightforward manner was examined. The composite was prepared following a green hydrothermal method under ambient condition using a novel ...

Physical SciencesMaterials ScienceMaterials Chemistry
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Plastics and e-Waste, a Threat to Water Systems

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Bhawana Jain, Ajaya Kumar Singh, Md. Abu Bin Hasan Susan

Journal: Environmental chemistry for a sustainable worldYear: 2021Citations: 5
Physical SciencesEnvironmental SciencePollution
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Collagen - a highly developed and abundant fibrous protein: synthesis and characterization

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Rupa Chakraborty, Anupama Asthana, Ajaya Kumar Singh, Rameshwar Adhikari et al.

Journal: Elsevier eBooksYear: 2023Citations: 3
Physical SciencesMaterials ScienceBiomaterials
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