Ramesh Kumar

ORCID: 0000-0003-0840-554X
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About
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Research Areas
  • Gas Sensing Nanomaterials and Sensors
  • Advanced Nanomaterials in Catalysis
  • ZnO doping and properties
  • Electrochemical sensors and biosensors
  • Advanced Photocatalysis Techniques
  • Analytical Chemistry and Chromatography
  • Iron oxide chemistry and applications
  • Analytical Methods in Pharmaceuticals
  • Drug Solubulity and Delivery Systems
  • Muscle Physiology and Disorders
  • Polysaccharides Composition and Applications
  • Pigment Synthesis and Properties
  • Asymmetric Hydrogenation and Catalysis
  • Polymer-Based Agricultural Enhancements
  • TiO2 Photocatalysis and Solar Cells
  • Geotechnical Engineering and Underground Structures
  • Advanced Antenna and Metasurface Technologies
  • Bone Tissue Engineering Materials
  • Clay minerals and soil interactions
  • Food Science and Nutritional Studies
  • Analytical Chemistry and Sensors
  • Protein purification and stability
  • Pesticide Exposure and Toxicity
  • Plant Surface Properties and Treatments
  • Nanoparticles: synthesis and applications

Sathyabama Institute of Science and Technology
2024-2025

Himachal Pradesh University
1997-2021

Government of Himachal Pradesh
2019-2021

Dr. Reddy's Laboratories (India)
2008-2018

Defence Materials and Stores Research and Development Establishment
2018

Dr. Reddy's Laboratories (United States)
2014

Jawaharlal Nehru Technological University, Hyderabad
2001-2012

The widespread utilization of titanium oxide nanoparticles (TiONPs) in various industrial applications has raised concerns about their potential ecological risks marine environment. Assessing the toxicity TiONPs on primary producers is essential to understand impact ecosystem. This study investigates acute effect Isochrysis galbana COR-A3 cells, focusing structural and physiological changes that can compromise algal viability function. Cells were exposed concentration 10-50 mg/L assessments...

10.1080/17435390.2025.2454267 article EN Nanotoxicology 2025-01-30

In this paper, we report synthesis and characterization of well-crystalline iron oxide (α-Fe2O3) nanoparticles; the was performed at temperature ~90 °C. The detailed structural compositional characterizations confirmed formation well-crystalline, rhombohedral crystal structure pure α-Fe2O3 nanoparticles. magnetic property, however, showed that synthesized nanoparticles are highly super paramagnetic. as-synthesized Fe2O3 NPs were also utilized as an efficient photocatalysts for photocatalytic...

10.1166/jnn.2014.8734 article EN Journal of Nanoscience and Nanotechnology 2014-03-20

Well-crystalline ZnO nanoflowers were prepared by a facile solution process and their applications as an antimicrobial agent against Escherichia coli enzyme-free glucose sensor have been studied. The morphological, structural, compositional, optical properties of characterized various techniques, which confirmed the well-crystalline wurtzite hexagonal phase. minimum inhibitory concentration for inhibiting growth was found to be 25 microg/ml. also tested efficient electron mediator...

10.1166/jbn.2013.1751 article EN Journal of Biomedical Nanotechnology 2013-08-01

A facile aqueous solution process was used to synthesize well-crystalline ZnO nanocones at 60 degrees C by using zinc nitrate hexahydrate and sodium hydroxide. The morphological, structural optical properties of the synthesized were investigated field emission scanning electron microscopy (FESEM) attached with energy dispersive spectroscopy (EDS), transmission (TEM) equipped high-resolution (HRTEM), X-ray diffraction (XRD) pattern, Fourier transform infrared (FTIR) UV-Vis. measurements....

10.1166/jnn.2011.4166 article EN Journal of Nanoscience and Nanotechnology 2011-04-18

ZnSn(OH)<sub>6</sub> cubes as potential material for the efficient photodegradation of organic dyes with high chemical stability.

10.1039/c5nj00324e article EN New Journal of Chemistry 2015-01-01

CdO-ZnO nanocomposites were synthesized using a simple solution approach, and several characterization approaches used to examine the morphological, structural, phase, vibrational, optical, compositional properties of these nanocomposites. The FESEM study revealed development aggregates ranging in size from 250 nm 500 nm. These composed various nanoparticle shapes sizes. XRD investigation hexagonal wurtzite cubic phases ZnO CdO, respectively. crystal was 28.06 band-gap energy produced...

10.3390/coatings12121959 article EN Coatings 2022-12-14

In this paper, Mn-doped ZnO nanoparticles (0 to 10 mol% Mn) were synthesized by facile low-temperature aqueous solution process and characterized several techniques such as field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), photoelectron spectroscopy (XPS), UV-visible Raman-scattering spectroscopy. The SEM studies confirmed that the are grown in high density increase Mn content was found have a significant effect on morphologies of nanoparticles. XPS established...

10.1166/jnn.2019.16758 article EN Journal of Nanoscience and Nanotechnology 2019-06-14

Herein, we report photocatalytic and fluorescence sensing applications of iron oxide (α-Fe₂O₃) nanoparticles synthesized by facile low-temperature simple solution process. The were characterized several techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM) attached with energy dispersive spectroscopy (EDS), transmission (TEM), UV-visible spectroscopy. detailed analysis revealed that the well-crystalline, grown in very high density possessing rhombohedral α-Fe₂O₃...

10.1166/jnn.2019.15822 article EN Journal of Nanoscience and Nanotechnology 2018-12-01

HPLC analysis of olanzapine 1, a known anti-psychotic drug, showed impurity peaks ranging from 0.05 to 0.15 % during process development.These samples were analyzed by LCMS and the identified at m/z 230, 341, 511, 326, 361 329.All six impurities synthesized individually characterized based on their spectral data (IR, NMR Mass).The structure these assigned as 2-methyl-4,9-dihydro-3-thia-4,9diazabenzo-1,4piperazine 6, 2,4-dimethyl-10-(4-methylpiperazin-1-yl)-4H-3-thia-4,9-diazabenzo[f]azulene...

10.3998/ark.5550190.0009.b19 article EN cc-by ARKIVOC 2008-04-04
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