Ashok K. Pandey

ORCID: 0000-0002-5651-0195
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About
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Research Areas
  • Radioactive element chemistry and processing
  • Membrane-based Ion Separation Techniques
  • Analytical Chemistry and Sensors
  • Chemical Synthesis and Characterization
  • Analytical chemistry methods development
  • Fuel Cells and Related Materials
  • Extraction and Separation Processes
  • Electrochemical Analysis and Applications
  • Nanomaterials for catalytic reactions
  • Nuclear Physics and Applications
  • Membrane Separation Technologies
  • Radioactive contamination and transfer
  • Radioactivity and Radon Measurements
  • X-ray Spectroscopy and Fluorescence Analysis
  • Electrocatalysts for Energy Conversion
  • Algal biology and biofuel production
  • Advanced Battery Materials and Technologies
  • Biofuel production and bioconversion
  • Radiation Detection and Scintillator Technologies
  • Nuclear reactor physics and engineering
  • Electrochemical sensors and biosensors
  • Arsenic contamination and mitigation
  • Adsorption and biosorption for pollutant removal
  • Anaerobic Digestion and Biogas Production
  • Advanced biosensing and bioanalysis techniques

National Institute for Interdisciplinary Science and Technology
2024

Indian Institute of Toxicology Research
2003-2024

University of Petroleum and Energy Studies
2022-2024

Centre for Science and Environment
2022-2024

Bhabha Atomic Research Centre
2014-2023

Homi Bhabha National Institute
2015-2023

HSNC University
2022-2023

University of Mumbai
2023

Kyung Hee University
2023

Abasaheb Garware College
2021

Bread is the second most wasted food in UK with annual wastage of 292,000 tons. In present work, bread waste (BW) was utilized for fermentative production ethanol by Saccharomyces cerevisiae KL17. Acidic and enzymatic saccharification BW carried out resulting highest glucose release 75 97.9 g/L which 73.5 95.9% theoretical yield, respectively. The obtained sugars were fermented into initially shake flask followed scale up bioreactor batch fed-batch mode. mode cultivation, maximum titers...

10.1016/j.enconman.2022.115784 article EN cc-by Energy Conversion and Management 2022-05-28

The self-diffusion coefficients of monovalent (Na+, K+, Cs+, and Ag+) divalent (Ca2+, Sr2+, Ba2+, Zn2+ ) cations in Nafion-117 have been measured using the "nonstationary radiotracer diffusion method" for first time. This method is based on analysis absorption/desorption ions membrane sample as a function time an analytical solution Fick's second law. It has found to be simple faster than that commonly used "radiotracer permeation method". An attempt made interpret data free-volume theory....

10.1021/jp010529y article EN The Journal of Physical Chemistry B 2001-08-25

Amidoxime (AO)-functionalized polymer sorbents used in this study were prepared by two different routes involving UV grafting and electron-beam of acrylonitrile (AN) into poly(propylene) fibrous microporous sheets, subsequent conversion AN to AO groups reacting the precursor sorbent with hydroxylamine. The values self-diffusion coefficient (D(s)) UO(2)(2+) sheet found be 1.1 x 10(-6) 2.3 10(-10) cm(2) s(-1), respectively. higher diffusion mobility was attributed its free volume as observed...

10.1021/jp8097928 article EN The Journal of Physical Chemistry B 2009-04-13

Using dopamine-coated magnetite nanocomposite, a novel harvesting method for lutein-rich Chlorella sorokiniana Kh12 microalgae has been developed. Microalgae can be achieved using various techniques, but existing methods are energy-intensive, time-consuming, and costly. However, advancement in the conventional approach is required to achieve cheaper, faster, environmentally friendly biomass harvesting. Nanoparticle-based flocculation an exciting among processes. It effective strategy due its...

10.1016/j.eti.2023.103008 article EN cc-by-nc-nd Environmental Technology & Innovation 2023-01-10

Metallic ruthenium nanoparticles (Ru NPs) are formed on the glassy carbon electrode (GC) at electrodeposition potential of -0.75 V, as observed from X-ray photoelectron spectroscopy. Thus Ru NPs have arsenite selective surface and conducting core that is ideally suited for designing a highly sensitive reproducible response generating matrix detection an ultratrace concentration in aqueous matrices. Contrary to this, arsenate ions sorb via chemical interactions oxide (RuO2 RuO3) -0.25 but not...

10.1021/acs.analchem.5b04625 article EN Analytical Chemistry 2016-01-18

We demonstrate for the first time intrinsic role of nanoconfinement in facilitating chemical reduction metal ion precursors with a suitable reductant synthesis nanoparticles, when identical reaction does not occur bulk solution. Taking case citrate silver ions under unusual condition [citrate]/[Ag(+)] ≫ 1, it has been observed that complex, stable solution, decomposes readily confined nanodomains charged and neutral matrices (ion-exchange film porous polystyrene beads), leading to formation...

10.1021/la4048787 article EN Langmuir 2014-02-17
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