1. A simple method for the estimation of insulin based on changes in membrane
permeability
Paper presented in the International Conference on Progress in Disperse Systems held in Kolkata during January 16-18, 2002.
2. Single capillary Teorell oscillator- studies with nonelectrolytes
Paper presented in the Eleventh National Conference on Surfactants, Emulsions & Biocolloids held at Institute of Chemical Technology, University of Mumbai on December 11-13, 2003.
3. Complexations of 2-aminofluorene and 2-N,N¢-dimethylaminofluorene to
b-cyclodextrin in presence of sodium perchlorate in aqueous solution.
Paper presented in the International Conference on Soft Matter held in Kolkata during November 18-20, 2004.
4. Development of some biosensors
An invited lecture delivered in the National Conference on Disperse Systems held at Assam University, Silchar, Assam during November, 23-25, 2006.
5. Intramolecular charge transfer fluorescence and existence of excited state cis-trans isomerism in a derivative of benzothiazole
Paper presented in the 38th National Convention of the South African Chemical Institute held in the University of KwaZulu-Natal, Howard College Campus, Durban, South Africa during 3-8th December, 2006.
6. Spectroscopic study of concentration dependent complexation behaviours of b-cyclodextrin with a derivative of styrylbenzothiazole
Paper presented in the International Conference on Soft Systems held in Jadavpur University, Kolkata during February 13-15, 2008.
7. Monitoring protein induced “Necklace” formation with surfactant molecules and characterization of interactions involved using twisted intramolecular charge transfer (TICT) fluorescence of trans-2-[4-(dimethylamino)styryl] benzothiazole.
Paper presented in the International Conference on the Interface of Chemistry-Biology in Biomedical Research (12th ISCBC) held in the Chemistry Group, Birla Institute of Technology & Science, Pilani during February 22-24, 2008.
8. Probing TICT fluorescence of trans-2-[4-(dimethylamino)styryl]benzothiazole to characterize the guest molecule concentration-dependent nanotubes of b-cyclo-dextrin and their secondary assemblies
Paper presented in the National Conference on Frontiers of Colloids, Surfaces and Nanostructured Systems held in the Department of Chemistry, Manipur University Canchipur, Imphal during February 18-20, 2009.
9. Characterization of premicellar, micellar and post-micellar aggregates of gemini surfactants with hydroxyl substituted spacers in aqueous solution: A fluorescence and conductometric study
Paper presented in the National Seminar on Membranes, Microemulsions, and Self-Assembled Systems (MMSAS) held at Department of Chemistry, Sikkim Manipal Institute of Technology, Majitar, Rangpo, Sikkim during September 28-30, 2010.
10. Micellization behavior of gemini surfactants with hydroxyl substituted spacers in water and water-organic solvent mixed media: The spacer effect.
Paper presented in 6th National Conference on Thermodynamics of Chemical and Biological Systems (NCTCBS-2011) held at Department of Chemistry, M. D. University, Rohtak (Haryana) during November 2-4, 2011.
11. Effect of a cationic surfactant on the binding of a guest molecule with the nanotubes of β-cyclodextrin: A possible drug-delivery system
Paper presented in The 4th Asian Conference on Colloid and Interface Science (ACCIS2011) organized by The Asian Society for Colloid and Surface Science (ASCASS) held at the National Cheng Kung University Tainan, Taiwan during November 23-26, 2011.
12. Study on Guest Molecule Induced Nanotubes of Cyclodextrins and Their Secondary Aggregation Forming Rod-like Structures
Paper presented in the National Conference on Condensed Matter Physics (NCCMP), Department of Physics, BITS Pilani during February 24-25, 2012.
13. Study on mixed micellization behavior of cationic Gemini surfactants with hydroxyl substituted spacer and ionic liquid in water and water-organic solvent mixed media
Paper presented in the Conference on Photochemistry and Luminescence (CPL-2012) held at Department of Chemistry, Indian Institute of Technology, Guwahati during March 9-10, 2012.
14. Aggregation behavior of gemini surfactants with a room temperature ionic liquid and microenvironment of mixed micelles in water and water-organic solvent mixed media
Paper presented in World Congress on Oleo Science & 29th ISF Congress JOCS/AOCS/KOCS/ISF Joint Meeting organized by The Japan Oil Chemists’ Society held at Arkas Sasebo, Nagasaki, Japan during September 30 - October 4, 2012.
15. Study on Binding Interactions of a Hemicyanine Dye with Nanotubes of b-Cyclodextrin and Effect of a Hofmeister Series of Potassium Salts
Paper presented in 5th Asian Conference on Colloid and Interface Science (ACCIS2013) organized by Asian Society for Colloid and Surface Science held at Department of Chemistry, University of North Bengal, Darjeeling during November 20-23, 2013.
16. Effect of hydroxyl group substituted spacer group of cationic gemini surfactants on solvation dynamics and rotational relaxation of Coumarin-480 in aqueous micelles
Paper presented in XVIth National Conference on Surfactants, Emulsions and Biocolloids (NATCOSEB) organized jointly by the Indian Society for Surface Science and Technology, Kolkata and Central Leather Research Institute, Adyar, Chennai during November 28—30, 2013.
17. Restricted water dynamics and rotational relaxation of Coumarin 480 at the Stern layer of aqueous micelles of cationic gemini surfactants
Paper presented in National Conference on Frontiers at the Chemistry – Allied Sciences Interface (FCASI-2015)” organized by Center of Advanced Study, Department of Chemistry, University of Rajasthan, Jaipur during March 13-14, 2015.
18. Study on Solvation Dynamics and Rotational Relaxation in Aqueous Micelles of Cationic Gemini Surfactants: Effect of Polymethylene Spacer Groups
Paper presented in XVIIth National Conference on Surfactants, Emulsions & Biocolloids (NATCOSEB 2015) organized by School of Studies in Chemistry, Pt. Ravishankar Shukla University Raipur, Chhattisgarh under the auspicious of the Indian Society for Surface Science & Technology, Jadavpur University, Kolkata during November 4-6, 2015.
19. Discussed on Solvation dynamics in micellar systems of Gemini surfactants with varying spacer groups in One-day Discussion Meeting on Advances in Structure, Spectroscopy and Dynamics in Rajasthan (ASSDR 2017) on 28th January 2017 at the Department of Chemistry, MNIT Jaipur. This meeting was an initiative to bring together the researchers working in the area of structure, spectroscopy and dynamics in various institutes in the state of Rajasthan.
20. Solvation dynamics and rotational relaxation in aqueous micelles of cationic gemini surfactants controlled by hydrophobicity of tails and hydrophilicity of spacer group of surfactants
Paper presented in XVIIIth National Conference on Surfactants, Emulsions & Biocolloids (NATCOSEB 2017) during 10-12 November 2017 organized by School of Chemistry, Sambalpur University, Sambulpur, Odisha under the aegis of Indian Society for Surface Science and Technology, Jadavpur University, Kolkata.
21. Water dynamics in aqueous micelles of cationic gemini surfactants: Effect of chemical nature of tails and spacer group of surfactants
Paper presented at Department of Chemistry, Manipal University, Jaipur on April 14, 2018.
22. Binding Interactions of Gemini Surfactants with Nanotubes of β-Cyclodextrin and Controlled Release of Guest Molecules from Nanotubular Cavities: Effect of Spacer Chain Length and Concentration of Surfactants
Paper presented in 4th International Conference on Nanomaterials: Synthesis, Characterization and Applications (ICN 2019) organized by International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala and Institut Jean Lamour, UMR CNRS 7198-Unversite de Lorraine, Nancy Cedex, France during 12-14 April 2019.
23. Role of Spacer Chain of Gemini Surfactants and Different States of Solubilized Water on Solvation Dynamics and Rotational Relaxation of Coumarin 490 in Reverse Micelles, Water/12-s-12.2Br-(s = 5, 6, 8)/n-Propanol/Cyclohexane.
Paper presented in XIXth National Conference on Surfactants, Emulsions and Biocolloids (NATCOSEB-XIX) organized by the Department of Chemistry, Amity University, Kolkata under the aegis of Indian Society for Surface Science & Technology (ISSST), Department of Chemistry, Jadavpur University, Kolkata held during October 18-20, 2019.
24. Binding Interactions of Cationic Gemini Surfactants with Gold Nanoparticles-Conjugated Bovine Serum Albumin: A FRET/NSET, Spectroscopic, and Docking study.
Paper presented in the Physical Chemistry Section of 58th Annual Convention of Chemists and International Conference on Recent Trends in Chemical Sciences held online at the Department of Chemistry, University of Calcutta on December 22, 2021.
25. Exploration of a potential one-head-two-tail surfactant to compact calf thymus DNA in the presence of SiO2 nanoparticles: Properties of nanomaterials and biological testing for gene delivery.
Paper presented in the Two Days’ National Symposium On “The Nobel Prize in Chemistry 2023: Discovery and Synthesis of Quantum Dots” Organized by the Department of Chemistry, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh from November 21-22, 2023.
26. Compaction of calf thymus DNA by some potential surfactants in the presence of silica nanoparticles and applications toward In Vitro/In Vivo Gene Delivery.
Paper presented in the 21st. National Conference on Surfactants, Emulsions & Biocolloids (NATCOSEB XXI) Organized by the School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur Chhattisgarh, under the auspices of the Indian Society for Surface Science and Technology, Kolkata, from November 23-25, 2023.