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Dr. Pradipta Purkayastha
Dr. Pradipta Purkayastha
Professor in Chemical Sciences, IISER-Kolkata
Verified email at iiserkol.ac.in - Homepage
Title
Cited by
Cited by
Year
Role of rotamerisation and excited state intramolecular proton transfer in the photophysics of 2-(2′-hydroxyphenyl) benzoxazole, 2-(2′-hydroxyphenyl) benzimidazole and 2-(2 …
P Purkayastha, N Chattopadhyay
Physical Chemistry Chemical Physics 2 (2), 203-210, 2000
1012000
Photophysics of 3-acetyl-4-oxo-6, 7-dihydro-12H indolo-[2, 3-a] quinolizine: emission from two states
A Mallick, S Maiti, B Haldar, P Purkayastha, N Chattopadhyay
Chemical physics letters 371 (5-6), 688-693, 2003
832003
Photoprocesses of excited molecules in confined liquid environments: An overview
A Mallick, P Purkayastha, N Chattopadhyay
Journal of Photochemistry and Photobiology C: Photochemistry Reviews 8 (3 …, 2007
822007
Nanosecond folding dynamics of a three-stranded β-sheet
Y Xu, P Purkayastha, F Gai
Journal of the American Chemical Society 128 (49), 15836-15842, 2006
782006
Protein-templated gold nanoclusters: size dependent inversion of fluorescence emission in the presence of molecular oxygen
T Das, P Ghosh, MS Shanavas, A Maity, S Mondal, P Purkayastha
Nanoscale 4 (19), 6018-6024, 2012
632012
Photophysical characterization and effect of pH on the twisted intramolecular charge transfer fluorescence of trans-2-[4-(dimethylamino) styryl] benzothiazole
SK Saha, P Purkayastha, AB Das
Journal of photochemistry and photobiology A: Chemistry 195 (2-3), 368-377, 2008
572008
Excited state isomerization and effect of viscosity-and temperature-dependent torsional relaxation on TICT fluorescence of trans-2-[4-(dimethylamino) styryl] benzothiazole
SK Saha, P Purkayastha, AB Das, S Dhara
Journal of Photochemistry and Photobiology A: Chemistry 199 (2-3), 179-187, 2008
552008
α1-Antitrypsin Polymerization:  A Fluorescence Correlation Spectroscopic Study
P Purkayastha, JW Klemke, S Lavender, R Oyola, BS Cooperman, F Gai
Biochemistry 44 (7), 2642-2649, 2005
492005
Characterization of guest molecule concentration dependent nanotubes of β-cyclodextrin and their secondary assembly: Study with trans-2-[4 (dimethylamino) styryl] benzothiazole …
M Sowmiya, P Purkayastha, AK Tiwari, SS Jaffer, SK Saha
Journal of Photochemistry and Photobiology A: Chemistry 205 (2-3), 186-196, 2009
472009
Surfactant chain-length-dependent modulation of the prototropic transformation of a biological photosensitizer: Norharmane in anionic micelles
A Chakrabarty, A Mallick, B Haldar, P Purkayastha, P Das, ...
Langmuir 23 (9), 4842-4848, 2007
452007
Theoretical modelling for the ground state rotamerisation and excited state intramolecular proton transfer of 2-(2’-hydroxyphenyl) oxazole, 2-(2’-hydroxyphenyl) imidazole, 2-(2 …
P Purkayastha, N Chattopadhyay
International Journal of Molecular Sciences 4 (6), 335-361, 2003
442003
Metal ion induced enhancement of emission of an organic fluorophore
P Purkayastba, N Chattopadhyay, GK Patra, D Datta
NISCAIR-CSIR, India, 2000
412000
Intramolecular charge transfer probe induced formation of α-cyclodextrin nanotubular suprastructures: a concentration dependent process
SS Jaffer, SK Saha, G Eranna, AK Sharma, P Purkayastha
The Journal of Physical Chemistry C 112 (30), 11199-11204, 2008
402008
A novel double-stranded dinuclear copper (I) helicate having a photoluminescent CuI2N8 chromophore
PK Pal, S Chowdhury, P Purkayastha, DA Tocher, D Datta
Inorganic Chemistry Communications 3 (11), 585-589, 2000
402000
Defining the different phases of premicellar aggregation using the photophysical changes of a surface-probing compound
SS Jaffer, M Sowmiya, SK Saha, P Purkayastha
Journal of Colloid and Interface Science 325 (1), 236-242, 2008
312008
Intersystem crossing (ISC) in DMABN and DMABA: Laser induced optoacoustic spectroscopy and semi-empirical (AM1) calculations
PK Bhattacharyya, SC Bera
Physical Chemistry Chemical Physics 1 (14), 3253-3258, 1999
271999
Fragmentation of molecule-induced γ-cyclodextrin nanotubular suprastructures due to drug dosage
SS Jaffer, SK Saha, P Purkayastha
Journal of colloid and interface science 337 (1), 294-299, 2009
262009
Kinetics of the photoconversion of diphenylamine in β-cyclodextrin environments
D Sur, P Purkayastha, N Chattopadhyay
Journal of Photochemistry and Photobiology A: Chemistry 134 (1-2), 17-21, 2000
262000
α-Cyclodextrin functionalized carbon dots: pronounced photoinduced electron transfer by aggregated nanostructures
S Mondal, P Purkayastha
The Journal of Physical Chemistry C 120 (26), 14365-14371, 2016
252016
pH triggered reversible photoinduced electron transfer to and from carbon nanoparticles
S Mondal, M Chatti, A Mallick, P Purkayastha
Chemical Communications 50 (52), 6890-6893, 2014
252014
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