Indian Institute of Technology, Patna

Dr. Debabrata Seth

Dr. Debabrata Seth
Associate Professor
Ph.D, IIT Kharagpur
Ph: +91-612-3028028
Fax: +91-612-227 7383
debabrata[*AT]iitp.ac.in
http://scholar.google.co.in/citations?user=m8w4nWQAAAAJ&hl=en&oi=ao

Research Areas

Photophysics, Chemical Dynamics, Ionic liquids

PhD Students

Rajesh Gautam

Aloke Bapli

Rabindranath Jana

Souvik Pandit

Former Group Members

Aninda Chatterjee
Ph.D. IIT Patna 2015

Banibrata Maity
Ph.D. IIT Patna 2017

Sayeed Ashique Ahmed Ph.D. IIT Patna 2018

Teaching

CH-101 : (Chemistry for 1st year B-Tech Students)
CH-102 : (Chemistry for 1st year B-Tech Students)
CH-001 : (Chemistry for Preparative Students)
CH-110 : (Chemistry Laboratory for 1st year B-Tech Students)
CH-703 : (Spectroscopic Techniques in Chemistry, for PhD students)
CH208 : (Chemical Thermodynamics and Equilibrium, for B.Tech Students)
CH303 : (Chemical Kinetics and Electrochemistry, for B.Tech Students)
CH312 : (Analytical Techniques in Chemistry, for B.Tech Students)
CH320 : (Chemical Technology Lab-III, for B.Tech students)
CH427 : (Symmetry and Group Theory for Chemists, for M.Sc students)
CH428 : (Principle of Molecular Spectroscopy, for M.Sc students)

Sponsored Projects

Title	Principal Investigator	Sponsored by	Status
Study of osmotic and activity coefficients of binary systems containing room temperature ionic liquids (RTILs) and molecular solvents by vapour pressure osmometry.	Dr.Debabrata Seth	Council of Scientific and Industrial Research (CSIR), Govt. of India.	Completed

Publications

Kumar, N.; Raza, Q. Md.; Seth, D.; Raj, R.; Surface-active Ionic Liquids as Potential Additive for Pool Boiling Based Energy Systems, J. Mol. Liq., 2019,287,110953.
Bapli, A.; Gautam, R. K.; Jana, R.; Seth, D.; Investigation of Different Prototropic Forms of Biologically Active Flavin Lumichrome in the Presence Liposome, Photochem. Photobiol., 2019,95,1151.
Ahmed, S. A.; Singh, U.; Seth, D.; Interaction of a Red Emitting Dye with Pluronic Surfactants: A Spectroscopic Study, J. Photochem. Photobiol. A, 2019, 376, 247.
Gautam, R. K.; Chatterjee, A.; Seth, D.; Photophysics, Rotational Dynamics and Fluorescence Lifetime Imaging Study of Coumarin Dyes in Deep Eutectic Solvent. J. Mol. Liq., 2019, 280, 399.
Sahoo, R.; Jana, R.; Seth, D.; Photophysics of Harmaline in Solvent Mixtures, J. Mol. Liq., 2019, 275, 84.
Ahmed, S. A.; Duley, S. S.; Gautam, R. K.; Seth, D.; Inclusion of a Coumarin Derivative inside the Macrocyclic Hosts: A Spectroscopic, Thermodynamic and Theoretical Investigation, J. Mol. Liq., 2018, 264, 550.
Gautam, R. K.; Ahmed, S. A.; Seth, D.; Photophysics of Thioflavin T in Deep Eutectic Solvents, J. Lumin., 2018, 198, 508.
Sahoo, R.; Jana, R.; Seth, D.; Photophysical Study of an Alkaloid Harmaline in 1,4-Dioxane-Water Mixtures, Chem. Phys. Lett., 2018, 706,158.
Kumar, N.; Raza, M. Q.; Seth, D.; Raj, R; Aqueous Ionic Liquid Solutions for Boiling Heat Transfer Enhancement in the Absence of Buoyancy Induced Bubble Departure, Int. J. Heat Mass Transfer, 2018, 122, 354.
Ahmed, S. A.; Seth, D; Thermodynamic Analysis of Binding of Benzimidazole Derivative with Cucurbit[7]uril: A Isothermal Titration Calorimetry Study, J. Mol. Liq., 2018, 254, 70.
Ahmed, S. A.; Seth, D; Investigation of Interaction of an Alkaloid Harmaline with Cucurbit [7] uril: A Spectroscopic and Calorimetric Study,Chem. Phys. Lett., 2018, 692, 340.
Ahmed, S. A.; Gautam, R.K.; Sharma, P.; Seth, D; Photophysics of a Molecular Rotor Inside the Block Co-polymers, J. Photochem. Photobiol. A,2018, 351, 170.
Ahmed,S.A.; Maity,B.; Duley,S.S.; Seth, D; Host-Guest Interaction of 3-Hydroxyflavone and 7-Hydroxyflavone with Cucurbit [7] uril: A Spectroscopic and Calorimetric Approach, J. Photochem. Photobiol. B, 2017, 168, 132.
Ahmed, S.A.; Maity, B,; Seth, D; Molecular Interaction Between Nonsteroidal Anti-inflammatory Drug Molecules with Cucurbit[7]uril Estimated by Spectroscopy and Calorimetry, J. Mol. Liq., 2017, 232, 416.
Maity, B.; Chatterjee, A.; Ahmed, S. A.; Seth, D; Deciphering the Perturbation Effect of Urea on the Supramolecular Host-Guest Interaction of Biologically Active Hydrophobic Molecule Inside the Nanocavity of Cyclodextrins, J. Lumin., 2017, 183, 238.
Maity, B.; Ahmed, S. A.; Seth, D; Interaction of Biologically Active Flavins inside Bile Salt Aggregates: Molecular Level Investigation, J. Phys.Chem. B, 2016, 120, 9854.
Ahmed, S. A.; Chatterjee, A.; Maity, B.; Seth, D; Surfactants Induced Release of a Red Emitting Dye from the Nanocavity of a Molecular Container: A Spectroscopic and Calorimetric Study, J. Photochem. Photobiol. B, 2016, 161, 59.
Chatterjee, A.; Maity, B.; Ahmed, S. A.; Seth, D; Red Emitting Dye in Room Temperature Ionic Liquids: A Spectroscopic Study, J. Photochem. Photobiol. A, 2016, 321, 202.
Velappan, A. B.; Maity, B.; Kasper, B; McKnight, R. E.; Seth, D; Debnath, J.; Alteration in DNA binding pattern of conformationally locked NC(O)N system: A spectroscopic investigation, Int. J. Biol. Macromol., 2016, 85, 497.
Ahmed, S. A.; Chatterjee, A.; Maity, B.; Seth, D; Thermodynamic Behavior of Binary Mixtures of 1-Butyl-1-methylpyrrolidinium Iodide and Alcohols, J. Chem. Eng. Data, 2015,60,2301.
Ahmed, S. A.; Chatterjee, A.; Maity, B.; Seth, D; Supramolecular Interaction of a Cancer Cell Photosensitizer in the Nanocavity of Cucurbit[7]uril: A Spectroscopic and Calorimetric Study, Int. J. Pharm.,2015, 1-2, 103.
Maity, B.; Chatterjee, A.; Ahmed, S. A.; Seth, D; Photophysics of Crystal Violet Lactone in Reverse Micelles and its Dual Behaviour, RSC Adv. 2015,5, 55015.
Chatterjee, A.; Maity, B.; Ahmed, S. A.; Seth, D; Photophysics and Rotational Dynamics of a Hydrophilic Molecule in a Room Temperature Ionic Liquid, Photochem. Photobiol. 2015, 91, 1056.
Maity, B.; Chatterjee, A.; Ahmed, S. A.; Seth, D; Interaction of Nonsteroidal Anti-Inflammatory Drug Indomethacin with Micelles and Its Release, J. Phys. Chem. B, 2015, 119, 3776.
Maity, B.; Chatterjee, A.; Seth, D; Photophysics of Lumichrome in Anionic and Cationic Micellar Media, RSC Adv., 2015,5, 3814.
Ahmed, S. A.; Chatterjee, A.; Maity, B.; Seth, D; Osmotic Properties of Binary Mixtures of 1-Butyl-1-methylpyrrolidinium Iodide and Water, J. Mol. Liq., 2014, 200, 349.
Ahmed, S. A.; Chatterjee, A.; Maity, B.;Seth, D; Osmotic Properties of Binary Mixtures 1-Butyl-1-methylpyrrolidinium Dicyanamide and 1-Methyl-3 octylimidazolium Chloride with Water: Effect of Aggregation of Ions, J. Chem. Thermodyn., 2015, 81, 227.
Chatterjee, A.; Maity, B.; Ahmed, S. A.; Seth, D; Photophysics and Rotational Diffusion of Hydrophilic Molecule in Polymer and Polyols, J. Phys. Chem. B, 2014, 118, 12680.
Chatterjee, A.; Maity,B.; Seth, D; Supramolecular Interaction between a Hydrophilic Coumarin Dye with Macrocyclic Hosts: Spectroscopic and Calorimetric Study, J. Phys. Chem. B, 2014,118,9768.
Chatterjee, A.; Maity,B.; Seth, D; Photophysics of 7-(Diethylamino)coumarin-3-carboxylic Acid in Cationic Micelles: Effect of Chain Length and Head Group of the Surfactants and Urea.RSC Adv., 2014,4,34026.
Singh, V.; Kumari, B.; Maity, B.; Seth, D,; Das, P.; Abasic DNA Damages with APE1 in TATA Box and CpG Island by Reaction Kinetics and Fluorescence Dynamics. MUTAT RES-FUND MOL M., 2014,766-767,56.
Maity, B.; Chatterjee, A.; Ahmed, S. A.; Seth,D,; Supramolecular Interaction of Nonsteroidal Anti-inflammatory Drug in Nanochannels of Molecular Containers: A Spectroscopic, Thermogravimetric and Microscopic Investigation. ChemPhysChem. 2014, 15, 3502.
Chatterjee, A.; Maity, B.; Seth,D,; Influence of double confinement on photophysics of 7-(diethylamino)coumarin-3-carboxylic acid in water/AOT/isooctane reverse micelles. RSC Adv., 2014,4,13989.
Maity, B.; Chatterjee, A.; Seth,D,; Solvents Effects on the Photophysics of a Coumarin in Different Solvents: Use of Different Solvatochromic Models. Photochem. Photobiol. 2014,90,734.
Maity,B.; Chatterjee, A.; Seth,D,; The photophysics of 7-(diethylamino)coumarin-3-carboxylic acid N-succinimidyl ester in reverse micelle: excitation wavelength dependent dynamics. RSC Adv., 2014, 4, 3461.
Chatterjee, A.; Maity,B.; Seth,D,; Torsional dynamics of Thioflavin T in room-temperature ionic liquids: An effect of heterogeneity of the medium.ChemPhysChem, 2013, 14, 3400.
Maity,B.; Chatterjee, A.; Seth,D,; Effect of nano-confinement on the photophysics of lumichrome. Chem. Phys. Lett. 2013, 565, 108.
Chatterjee, A.; Maity, B.; Seth, D.; The Photophysics of 7-(N,N'-diethylamino)coumarin-3-carboxylic acid in water/AOT/isooctane reverse micelle: An excitation wavelength dependent study.Phys. Chem. Chem. Phys. 2013,15, 1894.
Chatterjee, A.; Seth, D.; Effect of nanocavities on the torsional dynamics of thioflavin T in various non-aqueous reverse micelles.Photochem. Photobiol. Sci., 2013, 12, 369.
Chatterjee, A.; Seth, D.; Photophysical properties of 7-(diethylamino)coumarin-3-carboxylic acid in the nanocage of cyclodextrins and in different solvents and solvent mixtures. Photochem Photobiol. 2013, 89, 280.
Setua, P.; Seth, D.; Sarkar, N.; To probe the structure of methanol and Aerosol OT (AOT) in AOT reverse micelles by FTIR measurements, Phys. Chem. Chem. Phys. (2009), 11(39), 8913
Seth, D.; Sarkar, S.; Pramanik, R.; Ghatak, C.; Setua, P.; Sarkar, N.; Photophysical studies of a hemicyanine dye (LDS-698) in dioxane-water mixture, in different alcohols, and in a room temperature ionic liquid. J. Phys. Chem. B (2009), 113(19), 6826.
Setua, P.; Pramanik, R.; Sarkar, S.; Seth, D.; Sarkar, N.; Direct observation of salvation dynamics in an aqueous reverse micellar system containing silver nanoparticles in the reverse micellar core J. Phys. Chem. B (Letter) (2009), 113(17), 5677.
Seth, D.; Sarkar, S.; Sarkar, N.; Dynamics of solvent and rotational relaxation of Coumarin 153 in a room temperature ionic liquid 1-Butyl-3-methylimidazolium octyl sulfate forming micellar structure Langmuir (2008) 24(14) 7085.
Seth, D.; Sarkar, S.; Sarkar, N.; Solvent and rotational relaxation of Coumarin 153 in a protic ionic liquid dimethylethanolammonium formate J. Phys. Chem. B (2008) 112(9) 2629.
Seth, D.; Chakraborty, A.; Setua, P.; Sarkar, N.; Interaction of ionic liquid with water with variation of water content in 1-butyl-3-methyl-imidazolium hexafluorophosphate ([bmim][PF6])/TX-100/water ternary microemulsions monitored by solvent and rotational relaxation of Coumarin 153 and Coumarin 490 J. Chem. Phys. (2007) 126(22) 224512/1.
Seth, D.; Chakraborty, A.; Setua, P.; Sarkar, N.; Dynamics of solvent and rotational relaxation of Coumarin-153 in room-temperature ionic liquid 1-butyl-3-methyl imidazolium tetrafluoroborate confined in poly(oxyethylene glycol) ethers containing micelles J. Phys. Chem. B (2007) 111(18) 4781.
Setua, P.; Chakraborty, A.; Seth, D.; Bhatta, U. M.; Satyam, P. V.; Sarkar, N.; Synthesis, optical properties, and surface enhanced Raman scattering of silver nanoparticles in nonaqueous methanol reverse micelles J. Phys. Chem. C (2007) 111(10) 3901.
Seth, D.; Chakraborty, A.; Setua, P.; Sarkar, N.; Interaction of ionic liquid with water in ternary microemulsions (triton X-100/water/1-butyl-3-methylimidazolium hexafluorophosphate) probed by solvent and rotational relaxation of Coumarin 153 and Coumarin 151 Langmuir (2006) 22(18) 7768.
Chakraborty, A.; Seth, D.; Setua, P.; Sarkar, N.; Photoinduced electron transfer in a protein-surfactant complex: Probing the interaction of SDS with BSA J. Phys. Chem. B (2006) 110(33) 16607.
Chakraborty, A.; Seth, D.; Setua, P.; Sarkar, N.; Dynamics of solvent and rotational relaxation of glycerol in the nanocavity of reverse micelles J. Phys. Chem. B (2006) 110(11) 5359.
Chakraborty, A.; Seth, D.; Chakrabarty, D.; Setua, P.; Sarkar, N.; Dynamics of solvent and rotational relaxation of Coumarin 153 in room-temperature ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate confined in Brij-35 micelles: A picosecond time-resolved fluorescence spectroscopic study J. Phys. Chem. A (2005) 109(49) 11110.
Seth, D.; Chakraborty, A.; Setua, P.; Chakrabarty, D.; Sarkar, N.; Study of energy transfer from 7-amino Coumarin donors to the Rhodamine 6G acceptor in lecithin vesicles and sodium taurocholate-lecithin mixed aggregates J. Phys. Chem. B (2005) 109(24) 12080.
Chakrabarty, D.; Seth, D.; Chakraborty, A.; Sarkar, N.; Dynamics of solvation and rotational relaxation of Coumarin 153 in ionic liquid confined nanometer-sized microemulsions J. Phys. Chem. B (2005) 109(12) 5753.
Chakrabarty, D.; Chakraborty, A.; Seth, D.; Sarkar, N.; Effect of water, methanol, and acetonitrile on solvent relaxation and rotational relaxation of Coumarin 153 in neat 1-hexyl-3-methylimidazolium hexafluorophosphate J. Phys. Chem. B (2005) 109(9) 1764.
Chakrabarty, D.; Hazra, P.; Chakraborty, A.; Seth, D.; Sarkar, N.; Dynamics of solvent relaxation in room temperature ionic liquids Chem. Phys. Lett. (2003) 381(5-6) 697

Academics

Dr. Debabrata Seth