Publications
Google Scholar Citations (h-index 43; i-10 index 141) ; ORCID: 0000-0002-4103-0199
177. A. Biswas, B. Das, P. Pal, A. Ghosh, N. Chattopadhyay, 2023, Proton-conducting hierarchical composite hydrogels producing first soft memcapacitors with switchable memory, Adv. Funct. Mater., 2307618. https://doi.org/10.1002/adfm.202307618
176. T. Maity, B. Ari, M. Das, P. Brandao, S. Mukherjee, A. D. Jana, B. Koley, S. Laha, M. Islam, I. Choudhuri, N. Bhattacharya, B. C. Samanta, N. Chattopadhyay, 2023, DNA/HSA binding and anticancer property of pendant acetate bearing mono-nuclear Ni(II) and bridging acetate bearing di-nuclear Cu(II) Schiff base complexes: An experimental and molecular docking exploration, New J. Chem., 47, 17881-17896. https://doi.org/10.1039/D3NJ02960C
175. N. Chattopadhyay, A. Das, 2023, Effect of ionic strength on aggregation of coumarin 30 and nile red in aqueous medium: Primary kinetic salt effect or salting-out effect? RSC Adv., 13, 25159-25168. https://doi.org/10.1039/D3RA03829G
174. P. Kundu, N. Chattopadhyay, 2023, Coexistence of ground and excited state intramolecular proton transfer of the Schiff base 2-((E)-(naphthalene-3-ylimino)-methyl)phenol: A combined experimental and computational study, J. Photochem. Photobiol. A: Chem., 435, 114296. https://doi.org/10.1016/j.jphotochem.2022.114296
173. P. Sengupta, U. Pal, P. Roy, T. Samanta, N. Chattopadhyay, K. Sen, A. Bose, 2022, Effect of a metal ion in modulating the binding interaction of a dietary flavonoid with bovine serum albumin and DNA: Spectroscopic and theoretical approach, ACS Food Sc. Technol., 2, 114-124. https://doi.org/10.1021/acsfoodscitech.1c00361
172. A. Das, S. Das, A. Biswas, N. Chattopadhyay, 2021, Exploration of self-aggregation of coumarin 7 and coumarin 30 in water: Role of β-cyclodextrin as a modulator, J. Phys. Chem. B, 125, 13482-13493. https://doi.org/10.1021/acs.jpcb.1c07287
171. N. Chattopadhyay, 2021, Imparting chemical education, Chem. Edu. Sci. Tech., 7-8, 97-106. http://indianchemicalsociety.com/uploaded_files/volume-issue-7&8.pdf
170. S. Das, S. Mukherjee, S. Chakrabarty, N. Chattopadhyay, 2021, Hydroxyl group directed solvation of ESIPT probes in water: A demonstration from the fluorescence anisotropy of hydroxyflavones, J. Phys. Chem. A, 125, 57-64. https//doi.org/10.1021/acs.jpca.0c08023
169. K. Dutta, D. Poddar, S. Das, N. Chattopadhyay, S. K. Saha, 2021, Judicial design of graphene based nanocomposite harvesting UV-visible spectrum: Efficient, eco-friendly solar photocatalyst for industrial water management, J. Environ. Chem. Engg., 9, 104851/1-11. https://doi.org/10.1016/j.jece.2020.104851
168. S. Das, S. Chakrabarty, N. Chattopadhyay, 2020, Origin of Unusually High Fluorescence Anisotropy of 3-Hydroxyflavone in Water: Formation of Probe-Solvent Cage-like Cluster, J. Phys. Chem. B, 124, 173-180. https://doi.org/10.1021/acs.jpcb.9b07526
167. P. Kundu, S. Das, N. Chattopadhyay, 2020, Switching from endogenous to exogenous delivery of a model drug to DNA through micellar engineering, J. Photochem. Photobiol. B: Biol., 203, 111765. https://doi.org/10.1016/j.jphotobiol.2019.111765
166. S. Das, S. Nath, T. S. Singh, N. Chattopadhyay, 2020, Cavity size dependent stoichiometry of probe−cyclodextrin complexation: Experimental and molecular docking demonstration, J. Photochem. Photobiol. A: Chem., 388, 112158/1-9. https://doi.org/10.1016/j.jphotochem.2019.112158
165. P. Kundu, S. Das, N. Chattopadhyay, 2019, Managing efficacy and toxicity of drugs: Targeted delivery and excretion, Int. J. Pharmaceutics, 565, 378-390. https://doi.org/10.1016/j.ijpharm.2019.04.058
164. N. Chattopadhyay, 2019, Are we going to face a quandary in finding efficient reviewer for scientific publications? Curr. Sci., 116, 878. https://doi.org/10.18520/cs%2Fv116%2Fi6%2F878-878
163. A. Ray, S. Das, N. Chattopadhyay, 2019, Aggregation of nile red in water: Prevention through encapsulation in β-cyclodextrin, ACS Omega, 4, 15-24. https://doi.org/10.1021/acsomega.8b02503
162. P. Kundu, T. Mondal. S. Das, N. Chattopadhyay, 2019, Delivery of a bioactive photosensitizer to natural DNA using g-cyclodextrin as carrier, Ind. J. Chem. B, 58, 147-156. http://nopr.niscpr.res.in/handle/123456789/45782
161. P. Kundu, N. Chattopadhyay, 2019, Exogenous delivery of a pyrazole based bioactive probe to natural DNA through non-ionic TX-165 micellar carrier, J. Drug Delivery Sci. Technol., 49, 413-419. https://doi.org/10.1016/j.jddst.2018.12.007
160. A. Ray, S. Sengupta, N. Chattopadhyay, 2019, Concurrent ground and excited state proton transfer of (E)-2-((naphthalene-2-ylimino)-methyl)phenol: Modulation in micellar media, J. Photochem. Photobiol. A: Chem., 371, 433-443. http://doi.org/10.1016/j.jphotochem.2018.11.026
159. S. Das, N. Chattopadhyay, 2018, Heteroatom controlled probe-water cluster formation of a setries of ESIPT probes: An exploration with fluorescence anisotropy, Chem. Phys. Lett., 708. 37-41. https://doi.org/10.1016/j.cplett.2018.07.065
158. P. Kundu, N. Chattopadhyay, 2018, Photophysics of anthril in fluids and glassy matrices, J. Phys. Chem. A, 122, 5545-5554. https://doi.org/10.1021/acs.jpca.8b00988
157. P. Kundu, N. Chattopadhyay, 2018, Unraveling the binding interaction of a bioactive pyrazole-based probe with serum proteins: Relative concentration dependent 1:1 and 2:1 probe-protein stoichiometries, Biophys. Chem., 240, 70-81. https//doi.org/10.1016/j.bpc.2018.06.001
156. S. Biswas, D. Jana, G. Kumar, S. Maji, P. Kundu, U. Ghorai, R. Giri, B. Das, N. Chattopadhyay, B. K. Ghorai, S. Acharya, 2018, Supramolecular Aggregates of Tetraphenylethene Cored AIEgen towards Strategic Mechanoluminescent and Electroluminescent Devices, ACS Applied Mater. Interfaces, 10, 17409-17418. https://doi.org/10.1021/acsami.8b00165
155. S. Ghosh, N. Roy, T. Sanjoy Singh, N. Chattopadhyay*, 2018, Photophysics of a coumarin based Schiff base in solvents of varying polarities, Spectrochim. Acta A, 188, 252-257. https://doi.org/10.1016/j.saa.2017.07.006
154. M. Afzal, P. Kundu, S. Das, S. Ghosh, N. Chattopadhyay*, 2017, A promising strategy for improved solubilization of ionic drugs simply by electrostatic pushing, RSC Adv., 7, 43551-43559. https://doi.org/10.1039/c7ra08056e
153. S. Das, N. Chattopadhyay*, 2017, Supramolecular inclusion assisted disruption of probe-solvent network, ChemistrySelect, 2, 6078-6081. https://doi.org/10.1002/slct.201701401
152. P. Kundu, N. Chattopadhyay*, 2017, Interaction of a bioactive pyrazole derivative with calf thymus DNA: Deciphering the mode of binding by multispectroscopic and molecular dockong investigations, J. Photochem. Photobiol. B: Biol., 173, 485-492. https://doi.org/10.1016/j.jphotobiol.2017.06.022
151. P. Kundu, D. Banerjee, G. Maiti, N. Chattopadhyay*, 2017, Dehydrogenation induced inhibition of intramolecular charge transfer in substituted pyrazoline analogue, Phys. Chem. Chem. Phys., 19, 11937-11946. https://doi.org/10.1039/C7CP01121K
150. S. Das, N. Chattopadhyay*, 2017, Unconventional modulation of fluorescence anisotropy of 3-hydroxyflavone in cationic micelles, Colloid Interface Sci. Commun., 16, 10-13. https://doi.org/10.1016/j.colcom.2016.12.004
149. P. Kundu, S. Ghosh, N. Chattopadhyay*, 2017, Exploration of photophysics of 2,2′-pyridil at room temperature and 77 K: A combined spectroscopic and quantum chemical approach, Photochem. Photobiol. Sci. , 16, 159-169. https://doi.org/10.1039/C6PP00378H
148. M. Afzal, S. Ghosh, S. Das, N. Chattopadhyay*, 2016, Endogeneous activation induced delivery of a biological photosensitizer from micellar nanocarrier to natural DNA, J. Phys. Chem. B, 120, 11492-11501. https://doi.org/10.1021/acs.jpcb.6b08283
147. P. Kundu, N. Chattopadhyay*, 2016, Photophysics of a-furil at room temperature and 77 K: Spectroscopic and quantum chemical studies, J. Chem. Phys., 144, 234317/1-10. http://dx.doi.org/10.1063/1.4954155
146. M. Afzal, S. Ghosh, N. Chattopadhyay*, 2016, Relocation of a biological photosensitizer from non-ionic micellar carrier to DNA: A multispectroscopic investigation, Biophys. Chem., 219, 75-81. https://doi.org/10.1016/j.bpc.2016.10.003
145. A. Tiwari, I. Mondal, S. Ghosh, N. Chattopadhyay, U. Pal, 2016, Fabrication of mixed phase TiO2 heterojenction nanorods and their enhanced photoactivities, Phys. Chem. Chem. Phys., 18, 15260-15268. https://doi.org/10.1039/C6CP00486E
144. P. Kundu, S. Ghosh, R. Karmakar, G. Maiti, N. Chattopadhyay*, 2016, Impact of Structural Modification on the Photophysical Response of Benzoquinoline Fluorophores, J. Fluores., 26, 845-854. https://doi.org/10.1007/s10895-016-1772-9
143. P. Kundu, S. Ghosh*, S. Das, N. Chattopadhyay*, 2016, Cyclodextrin induced controlled delivery of a biological photosensitizer from a nanocarrier to DNA, Phys. Chem. Chem. Phys., 18, 3685-3693. https://doi.org/10.1039/C5CP06174A
142. S. Das, S. Ghosh, N. Chattopadhyay*, 2016, Unprecedented high fluorescence anisotropy in protic solvents: Hydrogen bond induced solvent caging? Chem. Phys. Lett., 644, 284-287. https://doi.org/10.1016/j.cplett.2015.12.015
141. S. Ghosh, P. Kundu, N. Chattopadhyay*, 2016, DNA induced sequestration of a bioactive cationic fluorophore from the lipid environment: A spectroscopic investigation, J. Photochem. Photobiol. B: Biol., 154, 118-125. https://doi.org/10.1016/j.jphotobiol.2015.11.001
140. P. Kundu, S. Ghosh, N. Chattopadhyay*, 2015, Exploration of the binding interaction of a potential nervous system stimulant with calf-thymus DNA and dissociation of the drug-DNA complex by detergent sequestration, Phys. Chem. Chem. Phys., 17, 17699-17709.
https://doi.org/10.1039/C5CP02101D
139. S. Ghosh, N. Chattopadhyay*, 2015, Modification of photophysics of 3-hydroxyflavone in aqueous solutions of imidazolium-based room temperature ionic liquids: A comparison between micelle-forming and non micelle-forming ionic liquids, RSC Adv., 5, 49054-49061.
https://doi.org/10.1039/C5RA03833B
138. S. Ghosh, S. Chakrabarty, D. Bhowmik, G. Suresh Kumar, N. Chattopadhyay*, 2015, Stepwise unfolding of bovine and human serum albumin by an anionic surfactant: An investigation using the proton transfer probe norharmane, J. Phys. Chem. B, 119, 2090-2102. https://pubs.acs.org/doi/abs/10.1021/jp501150p
137. P. Kundu, S. Ghosh, B. Jana, N. Chattopadhyay* 2015, Binding interaction of differently charged fluorescent probes with egg yolk phosphatidylcholine and the effect of β-cyclodextrin on the lipid-probe complexes: A fluorometric investigation, Spectrochim. Acta A, 142, 15-24. https://doi.org/10.1016/j.saa.2015.01.038
136. D. Ghosh, N. Chattopadhyay*, 2015, Gold and silver nanoparticle based superquenching of fluorescence: A review, J. Lumin., 160, 223-232. https://doi.org/10.1016/j.jlumin.2014.12.018
135. S. Ghosh, P. Kundu, B. K. Paul, N. Chattopadhyay*, 2014, Binding of an anionic fluorescent probe with calf thymus DNA and effect of salt on the probe-DNA binding: A spectroscopic and molecular docking investigation, RSC Adv., 4, 63549-63558.
https://doi.org/10.1039/C4RA14298E
134. S. Ghosh, S. Chattoraj, N. Chattopadhyay*, 2014, Interaction of β-cyclodextrin with nile red in a single live CHO Cell: An initiative towards developing a prospective strategy for excretion of adsorbed drugs from the cell membrane, Analyst, 139, 5664-5668. DOI
https://doi.org/10.1039/C4AN01114G
133. S. Ghosh, B. K. Paul, N. Chattopadhyay, 2014, Interaction of cyclodextrins with human and bovine serum albumin: A combined spectroscopic and computational investigation, J. Chem. Sci., 126, 931-944. https://doi.org/10.1007/s12039-014-0652-6
132. D. Bose, N. Chattopadhyay, 2014, Intramolecular proton transfer of 2-hydroxy-1-naphthaldehyde semicarbazone and thiosemicarbazone in ground and lowest excite states: A comparative experimental and computational study, Ind. J. Chem. A, 53, 17-26. http://nopr.niscpr.res.in/handle/123456789/25315
131. D. Ghosh, N. Chattopadhyay, 2013, Equilibrium and dynamic effects on ligand binding to biomacromolecules and biomimetic model systems, Int. Rev. Phys. Chem., 32, 435-466. https://doi.org/10.1080/0144235X.2013.782683
130. B. Jana, S. Ghosh, N. Chattopadhyay, 2013, Competitive binding of nile red between lipids and β-cyclodextrin, J. Photochem. Photobiol. B: Biol., 126, 1-10. https://doi.org/10.1016/j.jphotobiol.2013.06.005
129. S. Ghosh, N. Chattopadhyay, 2013, Determination of dissociation constants of weak acids and bases using indicators, Chem Educator, 18, 80-84. http://dx.doi.org/10.1007/s00897132470a
128. D. Ghosh, N. Chattopadhyay, 2013, Gold nanoparticles: Acceptors for efficient energy transfer from the photoexcited fluorophores, Opt. Photonics J., 3, 18-26. https://doi.org/10.4236/opj.2013.31004
127. S. Mitra, N. Chattopadhyay, P. Chattopadhyay, 2013, Expeditious synthetic approach and photophysical properties of fluorescent benzimidazo[1,2-d]dibenzo[b,f][1,4]diazepine derivatives, RSC Adv., 3, 1862-1870. https://doi.org/10.1039/C2RA22527A
126. B. Jana, N. Chattopadhyay, 2012, Multiple Emissions of α-Naphthil: Fluorescence from S2 State, J. Phys. Chem. A, 116, 7836-7841. https://doi.org/10.1021/jp3033808
125. D. Ghosh, N. Nandi, N. Chattopadhyay, 2012, Differential Förster resonance energy transfer from the excimers of poly(N-vinylcarbazole) to coumarin-153, J. Phys. Chem. B, 116, 4693-4701. https://doi.org/10.1021/jp300727e
124. P. Das, D. Sarkar, N. Chattopadhyay, 2012, Dramatic enhancement in the cation sensing efficiency in anionic micelles: A simple and efficient approach towards improving the sensor efficiency, in Recent Trends in Surface and Colloid Science, Statistical Science and Interdisciplinary Research Series, Volume 12, Ed. B. K. Paul, World Scientific, Singapore, Chapter 19 (pp. 299-308). https://www.worldscientific.com/doi/pdf/10.1142/9789814299428_fmatter
123. D. Ghosh, A. Girigoswami, N. Chattopadhyay, 2012, Superquenching of coumarin 153 by gold nanoparticles, J. Photochem. Photobiol. A: Chem. 242, 44-50. https://doi.org/10.1016/j.jphotochem.2012.05.027
122. D. Ghosh, N. Chattopadhyay, 2012, Hyper-efficient quenching of non-conjugated pendant polymer by silver nanoparticles: A demonstration and versatile mechanistic proposition, Chem. Phys. Lett., 532, 52-56. http://dx.doi.org/10.1016/j.cplett.2012.02.057
121. B. Jana, S. Senapati, D. Ghosh, D. Bose, N. Chattopadhyay, 2012, Spectroscopic exploration of mode of binding of ctDNA with 3-hydroxyflavone: A contrast to the mode of binding with flavonoids having additional hydroxyl groups, J. Phys. Chem. B., 116, 639-645. https://doi.org/10.1021/jp2094824
120. D. Bose, B. Jana, S. Datta, N. Chattopadhyay, 2011, Excited state intramolecular proton transfer of 2-hydroxy-1-naphthaldehyde semicarbazone: A combined fluorometric and quantum chemical study, J. Photochem. Photobiol. A: Chem., 222, 220-227. https://doi.org/10.1016/j.jphotochem.2011.06.001
119. D. Sarkar, P. Das, A. Mallick, N. Chattopadhyay, 2011, Probe cyclodextrin interaction: Simple complexation to nanotube formation, in Treatise on Photophysiology, Eds. C. Haldar and P. Basu, Imagination Printers, India, 237-251.
118. D. Ghosh, N. Chattopadhyay, 2011, Characterization of the excimers of poly(N-vinylcarbazole) using TRANES, J. Lumines., 131, 2207-2211. https://doi.org/10.1016/j.jlumin.2011.05.043
117. B. Bhattacharya, B. Jana, D. Bose, N. Chattopadhyay, 2011, Multiple emissions of benzil at room temperature and 77K and their assignments from ab-initio quantum chemical calculations, J. Chem. Phys., 134, 044535/1-7. https://doi.org/10.1063/1.3533797
116. N. Chattopadhyay, 2011, A facile strategy for the detection and estimation of cyanide ion in water, IPS Newsletter, 48-50, 32-39.
115. D. Ghosh, D. Sarkar, A. Girigoswami, N. Chattopadhyay, 2011, A fully standardized method of synthesis of gold nanoparticles of desired dimension in the range 15 nm - 60 nm, J. Nanosci. Nanotechnol., 11, 1141-1146. https://doi.org/10.1166/jnn.2011.3090
114. D. Sarkar, B. Bhattacharya, N. Chattopadhyay, 2011, Photophysics and dynamics of a β-carboline analogue in room temperature ionic liquids, J. Colloid Interface Sci., 353, 181-187. https://doi.org/10.1016/j.jcis.2010.09.009
113. D. Sarkar, D. Ghosh, P. Das, N. Chattopadhyay, 2010, Electrostatic pushing effect: A prospective strategy for enhanced drug delivery, J. Phys. Chem. B., 114, 12541-12548. https://doi.org/10.1021/jp1049099
112. D. Ghosh, D. Sarkar, N. Chattopadhyay, 2010, Intramolecular Intramolecular charge transfer promoted fluorescence transfer: A demonstration of re-absorption of the donor fluorescence by the acceptor, J. Mol. Liq., 156, 131-136. https://doi.org/10.1016/j.molliq.2010.06.006
111. A. Mahata, D. Bose, D. Ghosh, B. Jana, B. Bhattacharya, D. Sarkar, N. Chattopadhyay, 2010, Studies of triton X-165 ― β-cyclodextrin interactions using both extrinsic and intrinsic fluorescence, J. Colloid Interface Sci., 347, 252-259. https://doi.org/10.1016/j.jcis.2010.03.048
110. A. Mallick, P. Das, N. Chattopadhyay, 2010, Photophysics of norharmane in solution phase: From homogeneous to microheterogeneous environments, J. Photochem. Photobiol. C: Photochem. Rev., 11, 62-72. https://doi.org/10.1016/j.jphotochemrev.2010.03.001
109. D. Bose, D. Sarkar, N. Chattopadhyay, 2010, Probing the binding interaction of a phenazinium dye with serum transport proteins: A combined fluorometric and circular dichroism study, Photochem. Photobiol., 86, 538-544. https://doi.org/10.1111/j.1751-1097.2009.00688.x
108. D. Sarkar, A. Mallick, B. Haldar, N. Chattopadhyay, 2010, Ratiometric spectroscopic response of pH sensitive probes: An alternative strategy for multidimensional sensing, Chem. Phys. Lett., 484, 168-172. https://doi.org/10.1016/j.cplett.2009.10.076
107. D. Sarkar, D. Bose, A. Mahata, D. Ghosh, N. Chattopadhyay, 2010, Differential interaction of β-cyclodextrin with lipids of varying surface charges: A spectral deciphering using a cationic phenazinium dye, J. Phys. Chem. B., 114, 2261-2269. https://doi.org/10.1021/jp9081867
106. D. Bose, D. Ghosh, P. Das, A. Girigoswami, D. Sarkar, N. Chattopadhyay, 2010, Binding of a cationic phenazinium dye in anionic liposomal membrane: A spectacular modification in the photophysics, Chem. Phys. Lipids, 163, 94-101. https://doi.org/10.1016/j.chemphyslip.2009.10.003
105. D. Bose, D. Sarkar, A. Girigoswami, A. Mahata, D. Ghosh, N. Chattopadhyay, 2009, Photophysics and rotational relaxation dynamics of cationic phenazinium dyes in anionic reverse micelles: Effect of methyl substitution, J. Chem. Phys., 131, 114707/1-9. https://doi.org/10.1063/1.3225476
104. D. Ghosh, D. Bose, D. Sarkar, N. Chattopadhyay, 2009, Excited-state proton-transfer-triggered fluorescence resonance energy transfer: From 2-Naphthylamine to Phenosafranin, J. Phys. Chem. A, 113, 10460-10465. https://doi.org/10.1021/jp9054318
103. D. Sarkar, A. Mahata, P. Das, A. Girigoswami, D. Ghosh, N. Chattopadhyay, 2009, Deciphering the perturbation of serum albumins by a ketocyanine dye: A spectroscopic approach, J. Photochem. Photobiol. B: Biol., 96, 136-143. https://doi.org/10.1016/j.jphotobiol.2009.05.002
102. A. Mahata, D. Sarkar, D. Bose, D. Ghosh, P. Das, N. Chattopadhyay, 2009, Photophysics and rotational relaxation dynamics of a β-carboline based fluorophore in cationic alkyltrimethyl ammonium bromide micelles, J. Colloid Interface Sci., 335, 234-241. https://doi.org/10.1016/j.jcis.2009.03.086
101. A. Mahata, D. Sarkar, D. Bose, D. Ghosh, A. Girigoswami, P. Das, N. Chattopadhyay, 2009, Photophysics and rotational dynamics of a b-carboline analogue in nonionic micelles: Effect of variation of length of the head group and the tail of the surfactant, J. Phys. Chem. B, 113, 7517-7526. https://doi.org/10.1021/jp900575e
100. D. Sarkar, P. Das, A. Mahata, A. Girigoswami, N. Chattopadhyay, 2009, Excited state proton transfer promoted fluorescence resonance energy transfer: Modulation within cyclodextrin nanocavity, Chem. Phys. Lett., 474, 88-92. https://doi.org/10.1016/j.cplett.2009.04.032
99. H. D. Burrows, M. J. Tapia, S. M. Fonseca, A. J. M. Valente, V. M. M. Lobo, L. L. G. Justino, S. Qiu, S. Pradhan,U. Scherf, N. Chattopadhyay, M. Knaapila, V. M. Garamus, 2009, Aqueous solution behaviour of anionic fluorene-co-thiophene based conjugated polyelectrolytes, ACS Applied Materials and Interfaces, 1, 864-874. https://doi.org/10.1021/am800267n
98. D. Sarkar, A. Chakrabarty, N. Chattopadhyay, 2009, Structural volume change upon photoisomerization of 2,2´-furil: A photoacoustic calorimetric study, Ind. J. Chem. A, 48, 45-50. http://nopr.niscpr.res.in/handle/123456789/2761
97. D. Sarkar, P. Das, A. Girigoswami, N. Chattopadhyay, 2008, Spectroscopic characterization of phenazinium dye aggregates in water and acetonitrile media: Effect of methyl substitution on the aggregation phenomenon, J. Phys. Chem. A, 112, 9684-9691. https://doi.org/10.1021/jp804593v
96. T. K. Lai, A. Chatterjee, J. Banerji, D. Sarkar, N. Chattopadhyay, 2008, A concise synthesis of the DNA-intercalating and antimalarial alkaloid cryptolepine and its fluorescence behaviour in solvents of different polarities, Helv. Chim. Acta, 91, 1975-1983. https://doi.org/10.1002/hlca.200890212
95. D. Sarkar, P. Das, S. Basak, N. Chattopadhyay, 2008, Binding interaction of cationic phenazinium dyes with calf thymus DNA: A comparative study, J. Phys. Chem. B, 112, 9243- 9249. https://doi.org/10.1021/jp801659d
94. P. Das, A. Mallick, D. Sarkar, N. Chattopadhyay, 2008, Probe-induced self aggregation of γ-cyclodextrin: Formation of extended nanotubular suprastructure, J. Phys. Chem. C, 112, 9600-9603. https://doi.org/10.1021/jp801951j
93. A. Chakrabarty, P. Purkayastha, N. Chattopadhyay, 2008, Laser induced optoacoustic spectroscopy of benzil: Evaluation of structural volume change upon photoisomerization, J. Photochem. Photobiol. A: Chem., 198, 256-261. https://doi.org/10.1016/j.jphotochem.2008.04.001
92. P. Das, D. Sarkar, N. Chattopadhyay, 2008, Fluorescence resonance energy transfer from a β-carboline analogue to a cationic photosensitizer in aqueous solution, Ind. J. Chem. A,47A, 843-847. http://nopr.niscpr.res.in/handle/123456789/2109
91. D. Sarkar, P. Das, N. Chattopadhyay, 2008, Fluorescence resonance energy transfer: A spectroscopic ruler, ISRAPS Bulletin, 20, 23-33. https://www.israps.org.in/pdf/2008-Vol%2020-Issue%202-3.pdf
90. P. Das, D. Sarkar, N. Chattopadhyay, 2008, Photophysics of a β-carboline based non-ionic probe with anionic and zwitterionic liposome membranes, Chem. Phys. Lipids, 154, 38-45. https://doi.org/10.1016/j.chemphyslip.2008.03.003
89. A. Chakrabarty, P. Das, A. Mallick, N. Chattopadhyay, 2008, Effect of surfactant chain length on the binding interaction of a biological photosensitizer with cationic micelles, J. Phys. Chem. B, 112, 3684-3692. https://doi.org/10.1021/jp709818d
88. B. Haldar, A. Mallick, N. Chattopadhyay, 2008, Supramolecular inclusion in cyclodextrins: A pictorial spectroscopic demonstration, J. Chem. Education, 85, 429-432. https://doi.org/10.1021/ed085p429
87. P. Das, A. Mallick, D. Sarkar, N. Chattopadhyay, 2008, Application of anionic micelle for dramatic enhancement in the quenching-based metal ion fluorosensing, J. Colloid InterfaceSci., 320, 9-14 (Priority Communication). https://doi.org/10.1016/j.jcis.2007.12.026
86. H. D. Burrows, N. Chattopadhyay, M. A. E. Esteves, M. Fernandes, B. Gigante, 2007, Fluorescence characteristics of some dehydroabietic acid based arylamines, J. Fluorescence, 17, 701-706. https://doi.org/10.1007/s10895-007-0221-1
85. A. Mallick, P. Purkayastha, N. Chattopadhyay, 2007, Photoprocesses of excited molecules in confined liquid environments: An overview, J. Photochem. Photobiol. C: Photochem. Reviews, 8, 109-127 (Within Top 25 Hottest Articles during Oct-Dec 2007, Jan-March 2008 and April-June 2008). https://doi.org/10.1016/j.jphotochemrev.2007.06.001
84. A. Mallick, S. Sengupta, N. Chattopadhyay, 2007, Fluorosensors for detection of analyte: From synthesis to application, in Photo/Electrochemistry & Photobiology in the Environment, Energy and Fuel, Ed. S. Kaneco, Research Signpost, India, 245-260.
83. P. Das, A. Chakrabarty, A. Mallick, N. Chattopadhyay, 2007, Photophysics of a cationic biological photosensitizer in anionic micellar environments: Combined effect of polarity and rigidity, J. Phys. Chem. B, 111, 11169-11176. https://doi.org/10.1021/jp073984o
82. A. Chakrabarty, A. Mallick, B. Haldar, P. Purkayastha, P. Das, N. Chattopadhyay, 2007, Surfactant chainlength dependent modulation of prototropic transformation of a biological photosensitizer: Norharmane in anionic micelles, Langmuir, 23, 4842-4848. https://doi.org/10.1021/la0700063
81. P. Das, A. Chakrabarty, B. Haldar, A. Mallick, N. Chattopadhyay, 2007, Effect of cyclodextrin nanocavity confinement on the photophysics of a b-carbolene analogue: A spectroscopic study, J. Phys. Chem. B, 111, 7401-7408. https://doi.org/10.1021/jp072142m
80. P. Das, A. Mallick, B. Haldar, A. Chakrabarty, N. Chattopadhyay, 2007, Fluorescence resonance energy transfer from tryptophan in human serum albumin to a bioactive indoloquinolizine system, J. Chem. Sci. (Special Issue on Fluorescence Spectroscopy and its Applications), 119, 77-82. https://doi.org/10.1007/s12039-007-0013-9
79. A. Chakrabarty, A. Mallick, B. Haldar, P. Das, N. Chattopadhyay, 2007, Binding interaction of a biological photosensitizer with serum albumins: A biophysical study, Biomacromolecules, 8, 920-927. https://doi.org/10.1021/bm061084s
78. P. Das, A. Mallick, P. Purkayastha, B. Haldar, N. Chattopadhyay, 2007, Fluorescence resonance energy transfer from TX-100 to 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a]quinolozine in pre-micellar and micellar environments, J. Mol. Liq., 130, 48-51. https://doi.org/10.1016/j.molliq.2006.04.001
77. M. Barroso, N. Chattopadhyay, A. S. Klymchenko, A. P. Demchenko, L. G. Arnaut, S. J. Formosinho, 2006, Dramatic pressure-dependent quenching effects in supercritical CO2 assessed by the fluorescence of 4’-dimethylamino-3-hydroxyflavone. Thermodynamic versus kinetics control of excited-state intramolecular proton transfer, J. Phys. Chem. A, 110, 13419-13424. https://doi.org/10.1021/jp0643606
76. P. Das, A. Mallick, A. Chakrabarty, B. Haldar, N. Chattopadhyay, 2006, Effect of nanocavity confinement on the rotational relaxation dynamics: 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a] quinolizine in micelles, J. Chem. Phys., 125, 044516. https://doi.org/10.1063/1.2219751
75. S. M. Fonseca, J. Pina, L. G. Arnaut, J. Seixas de Melo, H. D. Burrows, N. Chattopadhyay, L. Alcácer, A. Charas, J. Morgado, A. P. Monkman, U. Asawapirom, U. Scherf, R. Edge, S. Navaratnam, 2006, Triplet-state and singlet oxygen formation in fluorene-based alternating copolymers, J. Phys. Chem. B, 110, 8278-8283. https://doi.org/10.1021/jp060251f
74. B. Haldar, A. Chakrabarty, A. Mallick, M. C. Mandal, P. Das, N. Chattopadhyay, 2006, Fluorometric and isothermal titration calorimetric studies on binding interaction of a telechelic polymer with sodium alkyl sulfates of varying chain length, Langmuir, 22, 3514-3520. https://doi.org/10.1021/la053370f
73. A. Majumder, G. M. Rosair, A. Mallick, N. Chattopadhyay, S. Mitra, 2006, Synthesis, structural and fluorescence characterisation of three new nickel, zinc and cadmium complexes with the N, N, O – tridentate Schiff base N-2-pyridylmethylidene-2-hydroxy-phenylamine, Polyhedron, 25, 1753-1762. https://doi.org/10.1016/j.poly.2005.11.029
72. A. Mallick, M. C. Mandal, A. Chakrabarty, P. Das, B. Haldar, N. Chattopadhyay, 2006, Surfactant induced modulation of fluorosensor activity: A simple way to maximize the sensor efficiency, J. Am. Chem. Soc., 128, 3126-3127. https://doi.org/10.1021/ja058359g
Addition/Correction: A. Mallick, M. C. Mandal, A. Chakrabarty, P. Das, B. Haldar, N. Chattopadhyay, 2006, Surfactant induced modulation of fluorosensor activity: A simple way to maximize the sensor efficiency [J. Am. Chem. Soc., 2006, 128, 3126-3127], J. Am. Chem. Soc., 128, 10629-10629.
71. A. Mallick, B. Haldar, S. Sengupta, N. Chattopadhyay, 2006, 7-Hydroxy-4-methyl-8-(4’-methyl-piperazine-1’-yl)methyl coumarin: an efficient probe for fluorescence resonance energy transfer to a bioactive indoloquinolizine system, J. Luminescence, 118, 165-172. https://doi.org/10.1016/j.jlumin.2005.08.009
70. N. Chattopadhyay, A. Mallick, S. Sengupta, 2006, Photophysical studies of 7-hydroxy-4-methyl-8-(4’-methylpiperazine-1’yl)methylcoumarin: a new fluorescent chemosensor for zinc and nickel ions in water, J. Photochem. Photobiol. A: Chem., 177, 55-60. https://10.1016/J.JPHOTOCHEM.2005.05.011
69. A. Majumder, S. Shit, C. Roy Choudhury, S. R. Batten, G. Pilet, D. Luneau, N. Daro, J-P Sutter N. Chattopadhyay, S. Mitra, 2005, Synthesis, structure and fluorescence of two novel manganese (II) and zinc (II) – 1,3,5-benzene tricarboxylate coordination polymers: Extended 3D supramolecular architectures stabilized by hydrogen bonding, Inorg. Chim. Acta, 358, 3855-3864. https://doi.org/10.1016/j.ica.2005.07.002
68. A. Mallick, B. Haldar, N. Chattopadhyay, 2005, Spectroscopic investigation on the interaction of ICT probe 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a]quinolozine with serum albumins, J. Phys. Chem. B, 109, 14683-14690. https://doi.org/10.1021/jp051367z
67. A. Mallick, B. Haldar, S. Maiti, S. C. Bera, N. Chattopadhyay, 2005, Photophysical study of 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a] quinolizine in biomimetic reverse micellar nanocavities: a spectroscopic approach, J. Phys. Chem. B, 109, 14675-14682. https://doi.org/10.1021/jp050511d
66. B. Haldar, A. Mallick, N. Chattopadhyay, 2005, Interaction of pyrene-end-capped poly(ethyleneoxide) with Bovine Serum Albumin and Human Serum Albumin in aqueous buffer medium: A fluorometric study; J. Photochem. Photobiol. B: Biol., 80, 217-224. https://doi.org/10.1016/j.jphotobiol.2005.05.003
65. A. Mallick, N. Chattopadhyay, 2005, Photophysics in motionally constrained bioenvironment: Interaction of norharmane with bovine serum albumin, Photochem. Photobiol., 81, 419-424. https://doi.org/10.1562/2004-07-12-RA-230
64. N. Chattopadhyay, B. Haldar, A. Mallick, S. Sengupta, 2005, Photophysical studies on multichromophoric cyclotriphosphazene. Trinuclear excimer formation in hexakis(2-naphthyloxy)cyclotriphosphazene, Tetrahedron Lett., 46, 3089-3092. https://doi.org/10.1016/j.tetlet.2005.03.006
63. A. Mallick, B. Haldar, N. Chattopadhyay, 2005, Encapsulation of norharmane in cyclodextrin: Formation of 1:1 and 1:2 complexes, J. Photochem. Photobiol. B: Biol., 78, 215-221. https://doi.org/10.1016/j.jphotobiol.2004.11.008
62. H. D. Burrows, L. G. Arnaut, J. Pina, J. Seixas de Melo, N. Chattopadhyay, L. Alcácer, A. Charas, J. Morgado, 2005, Characterisation of the triplet state of a fluorene-terthiophene alternating copolymer, Chem. Phys. Lett., 402, 197-201. https://doi.org/10.1016/j.cplett.2004.12.031
Erratum: H. D. Burrows, L. G. Arnaut, J. Pina, J. Seixas de Melo, N. Chattopadhyay, L. Alcácer, A. Charas, J. Morgado, 2005, Characterisation of the triplet state of a fluorene-terthiophene alternating copolymer [Chem. Phys. Lett. 402 (2005) 197-201] Chem. Phys. Lett., 404, 414.
61. S. Lopes, A. Gómez-Zavaglia, L. Lapinski, N. Chattopadhyay, R. Fausto, 2004, Matrix isolation FT-IR spectroscopy of benzil: Probing the flexibility of the C-C torsional coordinate, J. Phys. Chem. A, 108, 8256-8263. https://doi.org/10.1021/jp047116s
60. B. Haldar, A. Mallick, P. Purkayastha, H. D. Burrows, N. Chattopadhyay, 2004, Differential encapsulation of pyrene-end-capped poly(ethylene oxide) by cyclodextrins in aqueous solutions. A fluorometric study, Ind. J. Chem. A, 43, 2265-2273. http://nopr.niscpr.res.in/handle/123456789/20438
59. B. Haldar, A. Mallick, N. Chattopadhyay, 2004, Photophysics of pyrene-end-capped poly(ethyleneoxide) in aqueous micellar environments; J. Mol. Liq., 115, 113-120. https://doi.org/10.1016/j.molliq.2004.03.003
58. A. Mallick, B. Haldar, N. Chattopadhyay, 2004, Intramolecular charge transfer in organized assemblies: Fluorescence of 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a] quimolizine in reverse micelles; J. Surface Sci. Technol., 20, 255-265. https://issstindian.org/pubpdf/voiume20/9/issst_journal_vol20_3_4_art9abs.pdf
57. A. Mallick, B. Haldar, S. Maiti, N. Chattopadhyay, 2004, Constrained photophysics of 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a] quinolizine in micellar environments: A spectrofluorometric study; J. Colloid Interface Sci., 278, 215-223. https://doi.org/10.1016/j.jcis.2004.05.027
56. N. Chattopadhyay, 2004, Photoacoustic calorimetry coupled with theoretical calculation: A way to study reaction intermediates, ISRAPS Bulletin, 14, 23-29.
55. A. Mallick, S. C. Bera, S. Maiti, N. Chattopadhyay, 2004, Fluorometric investigation of interaction of 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a] quinolizine with bovine serum albumin; Biophys. Chem., 112, 9-14. https://doi.org/10.1016/j.bpc.2004.06.009
54. Md. Mijanuddin, W. S. Sheldrick, H. Mayer-Figge, M. Ali, N. Chattopadhyay, 2004, Crystal structure and feasibility of intramolecular proton transfer reaction of salicylaldazine, J. Mol. Struct., 693, 161-165. https://doi.org/10.1016/j.molstruc.2004.02.030
53. N. Chattopadhyay, M. Barroso, C. Serpa, M. Isilda Silva, L. G. Arnaut, S. J. Formosinho, 2004, Photophysics of 3-hydroxyflavone in supercritical CO2: A probe to study the microheterogeneity of the environment; Chem. Phys. Lett., 387, 263-266. https://doi.org/10.1016/j.cplett.2004.01.122
52. N. Chattopadhyay, M. Barroso, C. Serpa, L. G. Arnaut, S. J. Formosinho, 2004, Fluorescence from the second excited singlet state of 3-hydroxyflavone in supercritical CO2; Chem. Phys. Lett., 387, 258-262. https://doi.org/10.1016/j.cplett.2004.02.021
51. A. Mallick, N. Chattopadhyay, 2004, Photophysics of norharmane in micellar environments: A fluorometric study; Biophys. Chem., 109, 261-270. https://doi.org/10.1016/j.bpc.2003.11.008
50. N. Chattopadhyay, 2003, Theoretical calculation is a boon to understand and rationalize experimental research: Three concrete examples; IPS News Letter, 42, 28-42.
49. N. Chattopadhyay, C. Serpa, L. G. Arnaut, S. J. Formosinho, 2003, Photocyclisation of phenylbenzoquinone: A time-resolved photoacoustic calorimetric and flash photolytic study; Ind. J. Chem. A, 42, 1827 – 1832. http://nopr.niscpr.res.in/handle/123456789/20703
48. N. Chattopadhyay, 2003, Excited state proton transfer of carbazole. A convenient way to study microheterogeneous environments, Int. J. Mol. Sci., 4, 460 - 480. https://doi.org/10.3390/i4070460
47. I. Reva, L. Lapinski, N. Chattopadhyay, R. Fausto, 2003, Vibrational spectrum and molecular structure of triphenylamine monomer: A combined matrix-isolation FTIR and theoretical study, Phys. Chem. Chem. Phys., 5, 3844 – 3850. https://doi.org/10.1039/B306489A
46. P. Purkayastha, N. Chattopadhyay, 2003, Theoretical modeling for the ground state rotamerisation and excited state intramolecular proton transfer of 2-(2'-hydroxyphenyl)oxazole, 2-(2'-hydroxyphenyl)imidazole, 2-(2'-hydroxyphenyl )thiazole and their benzo analogues, Int. J. Mol. Sci., 4, 335 - 361. https://doi.org/10.1039/A908359F
45. A. Mallick, S. Maiti, B. Haldar, P. Purkayastha, N. Chattopadhyay, 2003, Photophysics of 3-acetyl-4-oxo-6,7-dihydro-12H indolo-[2,3-a] quinolizine : Emission from two states, Chem. Phys. Lett., 371, 688 - 693. https://doi.org/10.1016/S0009-2614(03)00358-0
44. N. Chattopadhyay, I. Reva, L. Lapinski, R. Fausto, L. G. Arnaut, S. J. Formosinho, 2002, Photoisomerization of p-dimethylamino-β-chlorostyrene : A low temperature matrix isolation FTIR study; J. Phys. Chem. A, 106, 3722 - 3726. https://doi.org/10.1021/jp013715c
43. P.Purkayastha, N. Chattopadhyay, 2002, Rotamerisation and intramolecular proton transfer of 2-(2’-hydroxyphenyl)oxazole, 2-(2’-hydroxyphenyl)imidazole and 2-(2’-hydroxyphenyl) thiazole : A theoretical study; J. Mol. Struct., 604, 87 - 99. https://doi.org/10.1016/S0022-2860(01)00647-0
42. N. Chattopadhyay, C. Serpa, L. G. Arnaut, S. J. Formosinho, 2002, Coexistence of two triplets for the TICT probe DMABN in polar solvents: An experimental evidence; Helv. Chim. Acta, 85, 19 - 26. https://doi.org/10.1002/1522-2675(200201)85:1<19::AID-HLCA19>3.0.CO;2-5
41. G. K. Patra, I. Goldberg, S. K. Chowdhury, B. C. Maity, A. Sarkar, P. R. Bangal, S. Chakraborty, N. Chattopadhyay, D. A. Tocher, M. G. B. Drew, G. Mostafa, S. Chowdhury, D. Datta, 2001, A new photoluminescent CuI2N6 chromophore; New J. Chem., 25, 1371-1373. https://doi.org/10.1039/B105442M
40. N. Chattopadhyay, C. Serpa, M. M. Pereira, J. Seixas de Melo, L. G. Arnaut, S. J. Formosinho, 2001, Intramolecular charge transfer of p-(dimethylamino)benzethyne: A case of non-fluorescent ICT state; J. Phys. Chem. A, 105, 10025-10030. https://doi.org/10.1021/jp012390x
39. N. Chattopadhyay, C. Serpa, L. G. Arnaut, S. J. Formosinho, 2001, Benzil fluorescence and phosphorescence emissions: A pertinent probe for the kinematic behaviour and microheterogeneity of supercritical CO2; Chem. Phys. Lett., 347, 361-365. https://doi.org/10.1016/S0009-2614(01)01044-2
38. N. Chattopadhyay, C. Serpa, L. G. Arnaut, S. J. Formosinho, 2001, Energetics of photocyclization of polyphenylamines and assignment of the intermediate: A time-resolved photoacoustic calorimetric study; Phys. Chem. Chem. Phys., 3, 3690-3695.
https://doi.org/10.1039/B104228A
37. P. Purkayastha, N. Chattopadhyay, 2001, Photoluminescence of 2-(2’-hydroxy-5’-methyl benzoyl)-1,5-diphenylpyrrole in aqueous and b-cyclodextrin environments: Manifestation of open and closed conformers; J. Mol. Struct., 570, 145-152. https://doi.org/10.1016/s0022-2860(01)00484-7
36. D. Guha, A. Mondal, D. Nath, S. Mitra, N. Chattopadhyay, S. Mukherjee, 2001, Proton transfer reaction of 4-methyl-2,6-diamidophenol in alcoholic solvents at room temperature and 77K; J. Mol. Struc. THEOCHEM, 542, 33-45. https://doi.org/10.1016/S0166-1280(00)00816-2
35. N. Chattopadhyay, C. Serpa, P. Purkayastha, L. G. Arnaut, S. J. Formosinho, 2001, Photocyclization of triphenylamine: An investigation through time-resolved photoacoustic calorimetry; Phys. Chem. Chem. Phys., 3, 70-73. https://doi.org/10.1039/B006031N
34. D. Sur, P. Purkayastha, S. C. Bera, N. Chattopadhyay, 2000, Effect of cyclodextrin encapsulation on the photocyclization of diphenylamine: Cavity imposed restriction on the reaction rate; J. Mol. Liq., 89, 175-188. https://doi.org/10.1016/S0167-7322(00)90012-6
33. P. Purkayastha, S. C. Bera, N. Chattopadhyay, 2000, Ground and excited state Proton transfer of some carbazole derivatives: A linear correlation between the acidity constant and charge density on the deprotonation centre, J. Mol. Liq., 88, 33-42. https://doi.org/10.1016/S0167-7322(00)00135-5
32. D. Sur, P. Purkayastha, N. Chattopadhyay, 2000, Photophysics of 1H-1,5-benzodiazepine in aqueous cyclodextrin envionments; Ind. J. Chem. A, 39, 389-391. http://nopr.niscpr.res.in/handle/123456789/21088
31. P. Purkayastha, N. Chattopadhyay, G. K. Patra, D. Datta, 2000, Metal ion induced enhancement of emission of an organic fluorophore; Ind. J. Chem. A, 39, 375-377. http://nopr.niscpr.res.in/handle/123456789/21084
30. D. Sur, P. Purkayastha, N. Chattopadhyay, 2000, Kinetics of photoconversion of diphenylamine in b-cyclodextrin environment; J. Photochem. Photobiol. A: Chem., 134, 17-21. https://doi.org/10.1016/S1010-6030(00)00241-0
29. P. Purkayastha, N. Chattopadhyay, 2000, Role of rotamerization and excited state intramolecular proton transfer in the photophysics of 2-(2’-hydroxyphenyl) benzoxazole, 2-(2’-hydroxyphenyl)benzimidazole and 2-(2’-hydroxyphenyl) benzthiazole : A theoretical Study; Phys. Chem. Chem. Phys., 2, 203-210. https://doi.org/10.1039/A908359F
28. S. Chowdhury, G. K. Patra, M. G. B. Drew, N. Chattopadhyay, D. Datta, 2000, New photoluminescent CuIN4 chromophores. Stabilisation of copper (I) by unconjugated diimines; J. Chem. Soc. Dalton Trans., 235-237. https://doi.org/10.1039/A909224B
27. P. Purkayastha, S. C. Bera, P. K. Bhattacharyya, N. Chattopadhyay, 1999, Intersystem crossing (ISC) in DMABN and DMABA: Laser induced optoacoustic spectroscopy and semi-empirical (AM1) calculations; Phys. Chem. Chem. Phys., 1, 3253-3258. https://doi.org/10.1039/A902063B
26. N. Chattopadhyay, 1998, Evidence for at least two CMCs: Studies by excited state proton transfer of carbazole and twisted intramolecular charge transfer of N,N-dimethylaminobenzonitrile; J. Surface Sci. Technol., 14, 196-203. https://doi.org/10.18311/jsst/1998/2113
25. S. Kundu, S. C. Bera, N. Chattopadhyay, 1998, Twisted intramolecular charge transfer of DMABA in cyclodextrin environments; Ind. J. Chem. A, 37, 102-108. http://nopr.niscpr.res.in/handle/123456789/39906
24. N. Chattopadhyay, M. Van der Auweraer, F. C. De Schryver, 1997, Determination of the nature of the lowest triplet state of the ICT probes DMABN and DMABA by laser-induced optoacoustic spectroscopy; Chem. Phys. Lett., 279, 303-308. https://doi.org/10.1016/S0009-2614(97)01071-3
23. S. Kundu, S. C. Bera, N. Chattopadhyay, 1997, Excited state proton transfer of carbazole in aqueous micelles in the presence of urea: Expulsion of the probe from the micellar environment; Spectros. Lett., 30, 1023-1034. https://doi.org/10.1080/00387019708006704
22. N. Chattopadhyay, 1997, Action of urea on the microheterogeneous environments: A model for expulsion of the probe from its preferred site; ACH Models in Chemistry, 134, 129-140. https://typeset.io/papers/action-of-urea-on-the-microheterogeneous-environments-a-227el697l4
21. S. Kundu, S. Maity, S. C. Bera, N. Chattopadhyay, 1997, Twisted intramolecular charge transfer of dimethylaminobenzonitrile in micellar environments; A way to look at the orientation of the probe within the apolar microenvironment; J. Mol. Struct., 405, 231-238. https://doi.org/10.1016/S0022-2860(96)09596-8
20. D. Sur, S. C. Bera, N. Chattopadhyay, G. Patra, D. Dutta, 1997, Photophysics of 1H-1,5-benzodiazepine in some selected solvents; Ind. J. Chem. A, 36, 917-919. http://nopr.niscpr.res.in/handle/123456789/41686
19. S. Kundu, N. Chattopadhyay, 1997, Excited state proton transfer of β-cyclodextrin encapsulated carbazole in the presence of urea; J. Mol. Liq., 71, 49-59. https://doi.org/10.1016/S0167-7322(96)00972-5
18. N. Chattopadhyay, J. Rommens, M. Van der Auweraer, F. C. De Schryver, 1997, Laser induced optoacoustic studies of the non-radiative deactivation of ICT probes DMABN and DMABA; Chem. Phys. Lett., 264, 265-272. https://doi.org/10.1016/S0009-2614(96)01354-1
17. N. Chattopadhyay, 1996, Dual luminescence of phenothiazine in 2-methylbutane; J. Ind. Chem. Soc., 73, 611-613.
16. S. Kundu, N. Chattopadhyay, 1995, Dual luminescence of dimethylamino benzaldehyde in aqueous b-cyclodextrin: Non-polar and TICT emissions; J. Photochem. Photobiol. A: Chem., 88, 105-108. http://dx.doi.org/10.1016/1010-6030(94)04006-N
15. N. Chattopadhyay, 1995, Determination of pK* in excited state proton transfer (ESPT) reaction: A rearrangement of Weller’s equation: Advantage of dual luminescence; J. Photochem. Photobiol. A: Chem., 88, 1-4. https://doi.org/10.1016/1010-6030(94)03992-4
14. S. Kundu, N. Chattopadhyay, 1995, Twisted intramolecular charge transfer of dimethylamino-benzaldehyde in a-cyclodextrin cavity; J. Mol. Struct., 344, 151-155. https://doi.org/10.1016/0022-2860(94)08409-B
13. S. Kundu, S. C. Bera, N. Chattopadhyay, 1995, Photophysics of 2-(2’-hydroxy-phenyl)benzoxazole in the presence of a-cyclodextrin: Deactivation of ESIPT through back protonation; Ind. J. Chem. A, 34, 55-58. http://nopr.niscpr.res.in/handle/123456789/39887
12. S. Kundu, N. Chattopadhyay, 1994, Effect of urea on micellization of CTAB: Probed by ESPT of carbazole; Chem. Phys. Lett., 228, 79-82. https://doi.org/10.1016/0009-2614(94)00913-9
11. N. Chattopadhyay, R. Dutta, M. Chowdhury, 1992, Excited state proton transfer: An overview of environmental perturbations; Ind. J. Chem. A, 31, 512-517. https://nopr.niscpr.res.in/bitstream/123456789/46182/1/IJCA%2031A%288%29%20512-517
10. N. Chattopadhyay, R. Dutta, M. Chowdhury, 1991, in Chemical Kinetics and Reaction Mechanism, Ed. K. S. Gupta, RBSA Publishers, Jaipur, India, 1-23.
9. N. Chattopadhyay, 1991, Effect of cyclodextrin complexation on excited state proton transfer reactions; J. Photochem. Photobiol. A: Chem., 58, 31-36. https://doi.org/10.1016/1010-6030(91)87096-E
8. N. Chattopadhyay, T. Chakraborty, A. Nag, M. Chowdhury, 1990, Effect of inclusion of cyclodextrin on excited state proton transfer: Carbazole -- g-cyclodextrin; J. Photochem. Photobiol. A: Chem., 52, 199-204. https://doi.org/10.1016/1010-6030(90)87103-i
7. A. Nag, R. Dutta, N. Chattopadhyay, K. Bhattacharyya, 1989, Effect of cyclodextrine cavity size on twisted intramolecular charge transfer emission: Dimethylamino benzonitrile in b-cyclodextrine; Chem. Phys. Lett., 157, 83-86. https://doi.org/10.1016/0009-2614(89)87212-4
6. N. Chattopadhyay, A. Samanta, T. Kundu, M. Chowdhury, 1989, Excited state deprotonation reactions of aromatic amines: A diffusion controlled process; J. Photochem. Photobiol. A: Chem., 48, 61-68. https://doi.org/10.1016/1010-6030(89)87090-X
5. N. Chattopadhyay, R. Dutta, M. Chowdhury, 1989, An excited state proton transfer reaction in micellar media; J. Photochem. Photobiol. A: Chem., 47, 249-257. https://doi.org/10.1016/1010-6030(89)87069-8
4. N. Chattopadhyay, D. Sengupta, 1988, Synthesis of 2-O-(3-aminopropyl)carbazole; Natl. Acad. Sc. Lett., 11, 211-212.
3. N. Chattopadhyay, M. Chowdhury, 1988, Dianion of naphthylamines or a case of deprotonation from aromatic ring carbon? J. Photochem. Photobiol. A: Chem., 41, 337-346. https://doi.org/10.1016/1010-6030(88)87007-2
2. N. Chattopadhyay, M. Chowdhury, 1987, Equilibrium pK* of carbazole studied by the deprotonation reaction in ammoniacal aqueous media; J. Photochem., 38, 301-309. https://doi.org/10.1016/0047-2670(87)87025-9
1. A. Samanta, N. Chattopadhyay, D. Nath, T. Kundu, M. Chowdhury, 1985, Excited state proton transfer kinetics of carbazole; Chem. Phys. Lett., 121, 507-512. http://dx.doi.org/10.1016/0009-2614(85)87131-1