Research

Research Interests:

1. Studies on optical nano-materials and it's various applications

2. Development of nano particles and nano composites based adsorbent for Heavy metal remediation from contaminated Water.

Important Research Publications:

1. Ambika Kumar and Raj Kumar Dutta, “CdS Quantum Dots Immobilized on Calcium Alginate Microbeads for Rapid and Selective Detection of Hg2+ Ions”, RSC Advances (Royal Society of Chemistry London), 5, 76275–76284 (2015), DOI: 10.1039/c5ra14638k.

2. Raj Kumar Dutta and Ambika Kumar, “Highly Sensitive and Selective Method for Detecting Ultra-Trace Levels of Aqueous Uranyl Ions by Strongly Photoluminescent Responsive Amine Modified Cadmium Sulphide Quantum Dots”, Analytical Chemistry (American Chemical Society), 88, 9071-9078 (2016), DOI: 10.1021/acs.analchem.6b01943..

3. Ambika Kumar and Raj Kumar Dutta, “Rapid Photoluminescence Quenching Based Detection of Cu2+ in Aqueous Medium By CdS Quantum Dots Surface Passivated By Thiourea”, Analytical Sciences (Japan Society of Analytical Chemistry), 33, 565-571 (2017), DOI:10.2116/analsci.33.565.

4. Ambika Kumar and Raj Kumar Dutta, “Photoluminescence Quenching Based Visual and Spectroscopic Method for Mercury Sensing by Surface-Modified Cadmium Sulphide Quantum Dots”, Journal of Nanoscience and Nanotechnology (American Scientific Publications), 17, 1-9 (2017).

5. Deepika Dimri, Achlesh Daverey, Ambika Kumar and Archana Sharma, “ Monitoring water quality of River Ganga using multivariate techniques and WQI (Water Quality Index) in Western Himalayan region of Uttarakhand, India”, Environmental Nanotechnology, Monitoring & Management (Elsevier), 15, (2021) 10.1016/j.enmm.2020.100375. 

6. Ambika Kumar and Raj Kumar Dutta, “Adsorption and Quantitative Estimation of Uranium by Calcium Alginate Beads Coated with CdS Quantum Dots”, Proceedings of the 12th DAE-BRNS National Symposium on Nuclear and Radiochemistry, BARC, Mumbai pp 309-311.

7. Deepika Dimri, Ambika Kumar, Deepak Kumar Mishra, Archana Sharma, "Spatio-temporal variation of trace elements distributed over surface water of Upper Ganga River Basin in Western Himalayan Region", Journal of Mountain Science (Springer), 19, (2022), DOI: https://doi.org/10.1007/s11629-021-6703-9 

8. Purnima Justa, Nancy Jaswal, Amit Kumar Sharmar, Adesh Kumar, Hemant Kumar, Balaram Pani, Pragati Kumar, Ambika Kumar, Pramod Kumar,  "Iron Sulfde Nanoparticles: Synthesis, Characterization, and Molecular Docking Studies of Its Interaction with Bovine Serum Albumin and Human Serum Albumin", BioNanoScience (Springer)

Ongoing Project:

Currently working on a Research Project in collaboration with Doon University Dehradun. Title of the project- “A Spectroscopic and Biological Analysis to Study the Self-Purification Nature of Ganga Water”.