Publications
2019
[225] R. Sett, B. K. Paul, S. Sen, N. Guchhait, How is the interaction of a chloride channel blocker with phospholipids influenced by divalent metal ions? Effect of unsaturation on the lipid side chain, Colloids and Surfaces B: Biointerfaces, 188 (2019) 110743. DOI: https://doi.org/10.1016/j.colsurfb.2019.110743
[224] A. Bhattacharyya, S. C. Makhal, N. Guchhait,Simple Chloro Substituted HBT derivative Portraying Coupling of AIE and ESIPT Phenomenon: Ratiometric Detection of S2- and CN- in 100% Aqueous Medium, J. Photochem. Photobiol. A, Just accepted (in Press) DOI: 10.1016/j.jphotochem.2019.112177
[223] A. Bhattacharyya, S. C. Makhal, S.K. Mandal, N. Guchhait, Exploring the hidden potential of methoxy substituted HBT derivative as an efficient example of coupling of AIE and ESIPT process and as an energy harvesting platform, New J. Chem., 2019, Just accepted.
[222] A. Bhattacharyya, S. C. Makhal, N. Guchhait,Comparative Photophysical Study of Differently Substituted Cinnamaldehyde-Based Chalcones: From Intramolecular Charge Transfer to Fluorogenic Solvent Selectivity, J. Phys. Chem. A., 123 (2019) 6411-6419. DOI: 10.1021/acs.jpca.9b03437
[221] S. Sen, B. K. Paul, N. Guchhait, Interaction of a sphingolipid with human serum albumin in the native, thermally denatured and chemically denatured states: Emission wavelength-dependent photophysical revelation, J. Mol. Liq., 292 (2019) 111456. DOI: https://doi.org/10.1016/j.molliq.2019.111456
[220] A. Bhattacharyya, S. C. Makhal, N. Guchhait, Evaluating the merit of a diethylamino coumarin-derived thiosemicarbazone as an intramolecular charge transfer probe: efficient Zn (II) mediated green to yellow emission swing, Photochem. Photobiol. Sci., 2019, Accepted Manuscript. DOI: 10.1039/C9PP00108E
[219] A. Bhattacharyya, S. C. Makhal, N. Guchhait,Mimicking cyclohexane chair form via H-bonding in crystal structure of a dihydroxy coumarin derivative: Efficient ratiometric response of F− over AcO−, J. Mol. Struc., 1196 (2019) 222-230. DOI: https://doi.org/10.1016/j.molstruc.2019.06.059
[218] R. Sett, S. Sen, B. K. Paul, N. Guchhait, Unsaturation of the phospholipid side-chain influences its interaction with cyclodextrins: A spectroscopic exploration using a phenazinium dye, Colloids and Surfaces B: Biointerfaces, 180 (2019) 150-158. DOI: https://doi.org/10.1016/j.colsurfb.2019.04.046
[217] A. Bhattacharyya, S. C. Makhal, N. Guchhait, Fate of protected HBT based chemodosimeters after undergoing deprotection: Restoration of ESIPT or generation of emissive phenoxide?, Chemical Physics,
520 (2019) 61-69. DOI: https://doi.org/10.1016/j.chemphys.2019.01.008
[216] S. Sen, B. K. Paul, N. Guchhait, Interaction of a phenazinium-based photosensitizer with surface active ionic liquid micelles: Investigating the effect of cyclodextrin on SAIL micelles, J. Mol. Liq., 274 (2019) 584-591. DOI: https://doi.org/10.1016/j.molliq.2018.11.007
[215] S.C. Makhal, A. Bhatatcharyya, N. Guchhait, Chem. Phys. Lett.,just accepted, in press
[214] A. Bhattacharyya, S. C. Makhal, N. Guchhait, Photophysical properties of azine linked pyrene-cinnamaldehyde hybrid: Evidence of solvent dependent charge transfer coupled excimer emission, ACS Omega, accepted, in press
[213] A. Bhattacharyya, S. C. Makhal, N. Guchhait, CHEF-Affected Fluorogenic Nanomolar Detection of Al3+ by an Anthranilic Acid–Naphthalene Hybrid: Cell Imaging and Crystal Structure, ACS Omega, 3 (2018), 11838-11846. DOI: 10.1021/acsomega.8b01639
[212] S. Sen, B. K. Paul, N. Guchhait, Binding interaction of phenazinium-based cationic photosensitizers with human hemoglobin: Exploring the effects of pH and chemical structure, J. Photochem. Photobiol. B, 186 (2018) 88-97, DOI: https://doi.org/10.1016/j.jphotobiol.2018.07.007.
[211] S. Sen, B. K. Paul, N. Guchhait, Interaction of a chloride channel blocker with a lipid bilayer membrane and subsequent effect of addition of submicellar concentrations of bile salt, J. Lumin., 199 (2018) 19-27, DOI: https://doi.org/10.1016/j.jlumin.2018.03.004.
[210] S.C. Makhal, A. Bhattacharyya, S. Ghosh, N. Guchhait, Influence of acceptor strength on photoinduced charge transfer process in a newly designed molecule in bulk solvent and in β-CD microenvironment, J. Photochem. Photobiol. A, DOI: 10.1016/j.jphotochem.2018.07.027
[209] A. Bhattacharyya, S.C. Makhal, N. Guchhait, Reinvestigating photophysics of 7-diethylamino 3-cyanocoumarin as a polarity sensitive fluorescent probe: a spectroscopic approach,ISRAPS bulletin(invited article), Vol. 30, Issue Number 1-2.
[208] S.C. Makhal, A. Bhattacharyya, S. Ghosh, N. Guchhait, A spectroscopic exploration of the influence of charge donor group on ESIPT process and its consequences in a salicylimine,J. Photochem. Photobiol. A, DOI: 10.1016/j.jphotochem.2018.03.010
[207] A. Bhattacharyya, S.C. Makhal, S. Ghosh, N. Guchhait, Employing a hydrazine linked asymmetric double naphthalene hybrid for efficient naked eye detection of F-: Crystal structure with real application for F-,Spectrochim. Acta Part A, DOI: 10.1016/j.saa.2018.03.001
[206] A. Bhattacharyya, S.C. Makhal, A. Ganguly, N. Guchhait, Instilling exploitable INHIBIT logic gate response for F-/H+ in ‘end-off’ anthracene-diamine hybrid by simple functional group manipulation: experimental study aided by DFT calculations, Chem. Phys. Lett., DOI: 10.1016/j.cplett.2018.02.046.
[205] A.Bhattacharyya, S.C. Makhal, S.Ghosh, N. Guchhait, Enhanced charge transfer aptitude resulting in remarkable chromogenic F- sensing in a Naphthalene-Benzocaine Platform by simple atomic substitution: Azo Dye vs. Schiff base, ChemistrySelect, DOI: 10.1002/slct.201701297
[204] R. Sett, S. Sen, B. K. Paul, N. Guchhait, How Does Nanoconfinement within a Reverse Micelle Influence the Interaction of Phenazinium-Based Photosensitizers with DNA? ACS Omega, 3 (2018) 1374−1385 DOI: 10.1021/acsomega.7b01820.
[203] S. Sen, B. K. Paul, N. Guchhait, Differential interaction behaviors of an alkaloid drug with DMPG liposome membrane as a function of the phase state of the lipid: Nonionic surfactant-induced solubilization of the lipid, J. Mol. Liq., 252 (2018) 416 – 427.
2017
[202] R. Sett, N. Guchhait, Differential Perturbation of the Protrotropic Equilibrium of a Biological Photosensitizer within Bile Salt Aggregates of Varying Hydrophobicity: A Fluorimetric Investigation, Photochem. Photobiol., (2017) DOI: 10.1111/php.12863
[201] A. Bhattacharyya, S. Ghosh, S. C. Makhal, N. Guchhait, Hydrazine appended self-assembled benzoin-naphthalene conjugate as an efficient dual channel probe for Cu2+ and F-: a spectroscopic investigation with live cell imaging for Cu2+ and practical performance for fluoride, J. Photochem. Photobiol. A, 353 (2018) 488-98.
[200] A. Bhattacharyya, S. C. Makhal, S. Ghosh, A. A. Masum, N. Guchhait, Competition-free fluorogenic detection of Al3+ by a chromone-naphthalene conjugate: a spectroscopic exploration supported by DFT calculations with cell imaging, ChemistrySelect, 2 (2017) 9924-29.
[199] S. Ghosh, M. A. Khan, A. Ganguly, A. A. Masum, M. A. Alam, N. Guchhait, Binding mode dependent signaling for the detection of Cu2+: An experimental and theoretical approach with practical applications, Spectrochim. Acta Part A, Article ASAP.
[198] R. Sett, B. K. Paul, N. Guchhait, Prototropism and dynamic of an anticancer drug in reverse micelles: Focus on the variation of pH in reverse micelles having w0 ≥ 10, J. Mol. Liq., 243 (2017) 689-698 DOI:10.1016/j.molliq.2017.08.076 .
[197] A. Ganguly, B. K. Paul, N. Guchhait, Arguing on the roles of various non-covalent interactions in governing the global stabilization/destabilization of 3-Hydroxy-2-pyridin-2-yl-propenal: An AIM-based Approach,Comput. Theor. Chem., 1117 (2017) 108-118.
[196] S. Sen, R. Sett, B. K. Paul, N. Guchhait, Interaction of phenazinium-based photosensitizers with the ‘N’ and ‘B’ isoforms of human serum albumin: Effect of methyl substitution, J. Photochem. Photobiol. B, 174 (2017) 217-228, DOI: 10.1016/j.jphotobiol.2017.08.002.
[195] A. Manna, K. Jana, N. Guchhait, S. Goswami, Discrimination of tabun mimic diethyl cyanophosphonate from sarin mimic diethyl chlorophosphate via Zn(II)-triggered photoinduced electron transfer-decoupled excited state intramolecular proton transfer processes, New J. Chem., 41 (2017) 6661-6666.
[194] B. K. Paul, R.Sett, N. Guchhait, Stepwise Unfolding of Ribonuclease A by a Biosurfactant, J. Colloid Interface Sci., 505 (2017) 673-681.
[193] S. Sen, B. K. Paul, N. Guchhait, Differential Interaction Behaviors of an Alkaloid Drug Berberine with Various Bile Salts, J. Colloid Interface Sci., 505 (2017) 266-277, DOI: 10.1016/j.jcis.2017.05.081.
[192] B. K. Paul, N. Guchhait, S. C. Bhattacharya, Binding of ciprofloxacin to bovine serum albumin: Photophysical and thermodynamic aspects, J. Photochem. Photobiol. B, 172 (2017) 11-19.
[191] A. Bhattacharyya, S. Ghosh, S. C. Makhal, N. Guchhait, Hydrazine bridged coumarin-pyrimidine conjugate as a highly selective and sensitive Zn2+ sensor: Spectroscopic unraveling of sensing mechanism with practical application, Spectrochim. Acta Part A, 179 (2017) 242-249.
[190] B. Bhattacharyya, A. Kundu, N. Guchhait, K. P. Dhara, Anthraimidazoledione Based Reversible and Reusable Selective Chemosensors for Fluoride Ion: Naked-Eye, Colorimetric and Fluorescence “ON-OFF”, J. Fluoresc., 27 (2017) 1041-1049.
[189] T. S. Basu Baul, P. Kehie, A. Duthie, N. Guchhait, N. Raviprakash, R. B. Mokhamatam, S. K. Manna, N. Armata, Synthesis, photophysical properties and structures of organotin-Schiff bases utilizing aromatic amino acid from the chiral pool and evaluation of the biological perspective of a triphenyltin compound, J. Inorg. Biochem., 168 (2017) 76-89.
[188] T. S. Basu Baul, D. Dutta, A. Duthie, N. Guchhait, B. G. M. Rocha, M. F. C. Guedes da Silva, R. B. Mokhamatam, N. Raviprakash, New dibutyltin(IV) ladders: Syntheses, structures and, optimization and evaluation of cytotoxic potential employing A375 (melanoma) and HCT116 (colon carcinoma) cell lines in vitro, J. Inorg. Biochem., 166 (2017) 34-48.
[187] S. Sen, A. Pramanik, N. Guchhait, Excited State Intramolecular Proton Transfer involving a four-membered system: Photophysical exploration of an isoindole fused imidazole system, J. Lumin., 187 (2017) 78-84.
[186] A. Bhattacharyya, S. Ghosh, S. C. Makhal, N. Guchhait, Harnessing a pyrimidine based molecular switch to construct reversible test strips for F−/AcO− with respect to Al3+: A colorimetric approach, Spectrochim. Acta Part A, 179 (2017) 242-249.
[185] S. Ghosh, A. A. Masum, A. Ganguly, M. M. Islam, M. A. Alam, N. Guchhait, A selective chemosensor for fluoride ion and its interaction with Calf Thymus DNA, Spectrochim. Acta Part A, 178 (2017) 24-31.
2016
[184] A. Dhara, N. Guchhait, I. Mukherjee, A. Mukherjee, S. C. Bhattacharya, A novel pyrazole based single molecular probe for multi-analyte (Zn2+and Mg2+) detection in human gastric adenocarcinoma cells, RSC Adv., 6 (2016) 105930-105939.
[183] S. Ghosh, A. A. Masum, A. Ganguly, M. A. Alam, M. M. Islam, N. Guchhait, Interaction of a Synthesized Pyrene Based Fluorescent Probe with CT-DNA: Spectroscopic, Thermodynamic and Molecular modeling studies, RSC Adv., 6 (2016) 93335-93342.
[182] R. Sett, A. Ganguly, N. Guchhait, Effect of the binding interaction of an emissive niacin derivative on the conformation and activity of a model plasma protein: A spectroscopic and simulation-based approach, J. Photochem. Photobiol. B, 164 (2016) 141-150.
[181] A. Ganguly, B. K. Paul, S. Ghosh, N. Guchhait, Methanol-mediated excited-state double proton transfer in 1H-pyrrolo[3,2-h]quinoline: Concerted or Sequential Mechanism? Comput. Theor. Chem., 1095 (2016) 65-70.
[180] S. Ghosh, A. Ganguly, A. Bhattacharyya, M. A. Alam, N. Guchhait, Selective Chromo-fluorogenic molecular sensor for dual channel recognition of Cu2+ and F–: Effect of functional group on selectivity, RSC Adv., 6 (2016) 67693-67700.
[179] S. Ghosh, A. Ganguly, M. R. Uddin, S. Mandal, M. A. Alam, N. Guchhait, Dual mode selective chemosensor for copper and fluoride ions: A fluorimetric, colorimetric and theoretical investigation, Dalton Trans., 45 (2016) 11042-11051.
[178] A. Ganguly, S. Ghosh, N. Guchhait, Inclusion of an Anthracene-based Fluorophore within Molecular Containers: A Comparative Study of the Cucurbituril and Cyclodextrin Host Families, J. Phys. Chem. B, 120 (2016) 4421-4430.
[177] A. Bhattacharyya, S. Ghosh, N. Guchhait, Highly sensitive and selective “naked eye” sensing of Cu (II) by a novel amido-imine based receptor: a spectrophotometric and DFT study with practical application, RSC Adv., 6 (2016) 28194-28199.
2015
[176] A. Dhara, N. Guchhait, S. K. Kar, A Novel Cr3+ Fluorescence Turn-On Probe Based on Rhodamine and Isatin Framework, J. Fluoresc., 25 (2015), 1921-1929.
[175] A. Ganguly, S. Ghosh, N. Guchhait, Modulated Photophysics of an Anthracene-based Fluorophore within Bile-salt Aggregates: Effect of Ionic Strength of the Medium on the Aggregation Behavior, Photochem. Photobiol. Sci., 14 (2015) 2168-2178.
[174] A. Dhara, N. Guchhait, S. K. Kar, Off–On Switchable Chemosensor Based on Rhodamine Armed with Morpholine Moiety, J. Lumin., 2015, Just accepted.
[173] A. Kundu, A. Ganguly, K. Dhara, P. Patra, N. Guchhait, An efficient solvent-free synthesis of bis(indolyl)methane-based naked eye chemosensor for Cu2+ ion from β-chloro-α,β-unsaturated aldehydes using PMA-Cellulose as solid phase reusable catalyst, RSC Adv., 5 (2015) 53220-53229.
[172] S. Ghosh, M. A. Alam, A. Ganguly, N. Guchhait, Amido-Schiff base Derivatives as Colorimetric Fluoride Sensor: Effect of Nitro substitution on the Sensitivity and Color Change, Spectrochim. Acta Part A, 145 (2015) 869-874.
[171] S. Pathak, D. Das, A. Kundu, S. Maity, N. Guchhait, A. Pramanik, Synthesis of 4-hydroxyindole fused isocoumarin derivatives and their fluorescence "Turn-off" sensing of Cu(II) and Fe(III) ions, RSC Adv., 5 (2015) 17308-17318.
[170] A. Ganguly, S. Ghosh, S. Kar, N. Guchhait, Selective fluorescence sensing of Cu(II) and Zn(II) using a simple Schiff base ligand: Naked eye detection and elucidation of photoinduced electron transfer (PET) mechanism, Spectrochim. Acta, Part A, 143 (2015) 72-80.
[169] S. Ghosh, M. A. Alam, A. Ganguly, S. Dalapati, N. Guchhait, Selective Colorimetric Sensing of Fluoride Ion and Its Use for Insitu Cyclization of the Sensor, Inorg. Chim. Acta., 429 (2015) 39-45.
[168] A. Ganguly, S. Ghosh, N. Guchhait, Interaction of triblock co-polymer micelles with phospholipid-bilayer: A spectroscopic investigation using a potential chloride channel blocker, Phys. Chem. Chem. Phys., 17 (2015) 6597-6605.
[167] D. Ray, A. Pramanik, N. Guchhait, Slow proton transfer dynamics of a four member intramolecular hydrogen bonded isoindole fused imidazole system: A spectroscopic approach to photophysical properties, J. Photochem. Photobiol. A, 302 (2015) 42-60.
2014
[166] A. Ganguly, S. Ghosh, N. Guchhait, Spectroscopic and Viscometric Elucidation of the Interaction between a Potential Chloride Channel Blocker and Calf-thymus DNA: Effect of Medium Ionic Strength on the Binding Mode, Phys. Chem. Chem. Phys., 17 (2015) 483-492.
[165] A.Samanta, N. Guchhait, S.C. Bhattacharya, Preferential Molecular Encapsulation of an ICT Fluorescence Probe in the Supramolecular Cage of Cucurbit[7]uril and β-Cyclodextrin: An Experimental and Theoretical Approach, J. Phys. Chem. B, 118 (2014) 13279-13289.
[164] S. Das, S. Jana, P. Chakraborty, R. Sanyal, D. K. Maiti, N. Guchhait, E. Zangrando, D. Das, Chemodosimetric Detection of the Acetate Anion by Using the Template Reaction Method via a Fluorescence “Turn-Off” Signal, Eur. J. Inorg. Chem., 31 (2014) 5432-5442.
[163] A. Ganguly, S. Ghosh, N. Guchhait, Binding of a potential chloride channel blocker with an anionic surfactant and subsequent release in solution: Effect of hydrotropic solute in the post-micellar region, RSC Adv., 4 (2014) 57383-57392.
[162] A. Ganguly, B. K. Paul, S. Ghosh, N. Guchhait, Probing the location of methanol in methanol/AOT/n-heptane system: True microemulsion or bi-continuous medium? RSC Adv., 4 (2014) 41122-41128.
[161] B.K. Paul, N. Guchhait, Explicit spectral response of an intramolecular charge transfer molecule within microheterogeneous micellar environments, J. Mol. Liq. 199 (2014) 309-317.
[160] D.Ray, A. Kundu, A. Pramanik, N. Guchhait, Exploring the Interaction of a Micelle Entrapped Biologically Important Proton Transfer Probe with the Model Transport Protein Bovine Serum Albumin, J. Phys. Chem. B (ASAP)
[159] A. Samanta, N. Guchhait, S. C. Bhattacharya, A simple but highly selective and sensitive fluorescence reporter for toxic CdII ion via excimer formation, Chem. Phys. Lett., 612 (2014) 251-255.
[158] A. Ganguly, S. Ghosh, N. Guchhait, Critical assessment of the intramolecular hydrogen bonding (IMHB) interaction in two isomeric hydroxynicotinic acids: A computational approach, Comput. Theor. Chem., 1045 (2014) 41-46.
[157] B.K. Paul, A.Ganguly, N.Guchhait, Quantum Chemical Exploration of the Intramolecular Hydrogen Bond Interaction in 2-Thiazol-2-yl-phenol and 2-Benzothiazol-2-yl-phenol in the Context of Excited-State Intramolecular Proton Transfer: A Focus on the Covalency in Hydrogen Bond, Spectrochim. Acta, Part A, 131 (2014) 72-81. DOI: 10.1016/j.saa.2014.03.124
[156] B. K. Paul, N. Guchhait, Photophysics of a Proton Transfer Phototautomer within Biological Confinement of a Protein: Spectroscopic and Molecular Docking Studies, J. Lumin., 153 (2014) 430-438. DOI:10.1016/j.jlumin.2014.03.043
[155] A. Samanta, N. Guchhait, S. C. Bhattacharya, Photophysical aspects of biological photosensitizer kynurenic acid from the perspective of experimental and quantum chemical study, Spectrochim. Acta, Part A, 129 (2014) 457-465. DOI:10.1016/j.saa.2014.03.079
[154] S. Dalapati, S. Jana, N. Guchhait, Anion recognition by simple Chromogenic and Chromo–fluorogenic Salicylidene Schiff base or reduced–Schiff base receptors, Spectrochim. Acta, Part A, 129 (2014) 499-508. DOI:10.1016/j.saa.2014.03.090 (Review article)
[153] B.K. Paul, A.Ganguly, N.Guchhait, Deciphering the Interaction of a Model Transport Protein with a Prototypical Imidazolium Room Temperature Ionic Liquid: Effect on the Conformation and Activity of the Protein, J. Photochem. Photobiol. B, 133 (2014) 99-107 DOI:10.1016/j.jphotobiol.2014.03.007
[152] A. Ganguly, B. K. Paul, S. Ghosh, S. Dalapati, N. Guchhait, Interaction of a potential chloride channel blocker with a model transport protein: A spectroscopic and molecular docking investigation, Phys. Chem. Chem. Phys., 16 (2014) 8465-8475 DOI:10.1039/C3CP53843E
[151] A. Dhara, A. Jana, ,N. Guchhait, P. Ghosh, S. K. Kar, Rhodamine-based molecular clips for highly selective recognition of Al3+ions: synthesis, crystal structure and spectroscopic properties, New J. Chem., 38 (2014) 1627-1634 DOI: 10.1039/C3NJ01447A
[150] A. Samanta, N. Guchhait, Evidence of lactim lactam photo-tautomerization through four-member intramolecular hydrogen bonded network in 5-(4-fluorophenyl)-2-hydroxy-nicotinonitrile, J. Lumin., 151 (2014) 176-187 DOI:10.1016/j.jlumin.2014.02.025
[149] D.Ray, A. Pramanik, N. Guchhait, Differential modulation of lactim-lactam tautomerism process of an isoindole fused imidazole system in three different micellar assemblies of varying surface charge: A Spectroscopic approach to various photophysical properties, RSC Adv., 4 (2014) 13256-13265 DOI: 10.1039/C3RA47322H
[148] T. S. Basu Baul, S. Kundu, S. W. Ng, N. Guchhait, E. R. T. Tiekink, Synthesis, characterization, photoluminescent properties and supramolecular aggregations in diimine chelated cadmium dihalides, J. Coord. Chem., 67 (2014) 96-119 DOI: 10.1080/00958972.2013.864393
2013
[147] Sk. M. Islam, A. S. Roy, S. Dalapati, R. Saha, P. Mondal, K. Ghosh, S. Chatterjee, K. Sarkar, N. Guchhait, P. Mitra, Synthesis, crystal structure and spectroscopic studies of a cobalt(III)Schiff base complex and its use as a heterogeneous catalyst for the oxidation reaction under mild condition, J. Mol. Cat. A, 380 (2013) 94-103 DOI: 10.1016/j.molcata.2013.09.022.
[146] A. Samanta, S. Jana,D. Ray, N. Guchhait, Modulated photophysics of a cationic DNA-staining dye inside protein Bovine Serum Albumin: Study of binding interaction and structural changes of protein, Spectrochim. Acta, Part A, 121 (2014) 23-34 DOI.org/10.1016/j.saa.2013.10.049
[145] D.Ray, A. Pramanik, N. Guchhait, Lactim–lactam tautomerism through four member hydrogen bonded network in isoindole fused imidazole system: A combined spectroscopic and theoretical approach to photophysical properties, J. Photochem. Photobiol. A, 274 (2014) 33–42 DOI.org/10.1016/j.jphotochem.2013.10.001
[144] B. K. Paul, D.Ray, A. Ganguly, N. Guchhait, Modulation in prototropism of the photosensitizer Harmane by host:guest interactions between β-cyclodextrin and surfactants, J. Colloid Interface Sci., 411 (2013) 230-239 DOI.org/10.1016/j.jcis.2013.08.010
[143] A. Ganguly, B. K. Paul, S. Ghosh, S. Kar, N. Guchhait, Selective fluorescence sensing of Cu(II) and Zn(II) using a Schiff base-derived new model compound: Naked eye detection and spectral deciphering of the mechanism of sensory action, Analyst, 138 (2013) 6532-6541 DOI:10.1039/C3AN00155E (Among the top 10 most accessed articles for the time period July-October 2013)
[142] D. Ray, B. K. Paul, N. Guchhait, Differential binding modes of anti-cancer, anti-HIV drugs belonging to isatin family with a model transport protein: A joint refinement from spectroscopic and molecular modeling approaches, J. Photochem. Photobiol. B, 127 (2013) 18-27 DOI:10.1016/j.jphotobiol.2013.06.016
[141] A. Ganguly, B. K. Paul, S. Ghosh, N. Guchhait, A computational acumen into the relative applicability of geometrical and quantum chemical criteria in assessing intramolecular hydrogen bonding (IMHB) interaction: 5-halosalicylic acids as representative examples, Comput. Theor. Chem., 1018 (2013) 102-114 DOI: 10.1016/j.comptc.2013.06.017
[140] D. Ray, S. Dalapati, N. Guchhait, Spectral properties of a simple azine Schiff base and its sensing ability towards protic environment through hydrogen bonding interaction, Spectrochim. Acta, Part A, 115 (2013) 219-226 DOI: 10.1016/j.saa.2013.06.013
[139] B. K. Paul, A. Ganguly, S. Karmakar, N. Guchhait, Förster Resonance Energy Transfer (FRET) from Triton X-100 to 4-Benzothiazol-2-yl-phenol: Varying FRET efficiency with CMC of the donor (Triton X-100), J. Lumin. 143 (2013) 374-381 DOI: 10.1016/j.jlumin.2013.05.015
[138] A. Dhara, A. Jana, S. Konar, S. Ghatak, S. Ray, K. Das, A. Bandyopadhyay, N. Guchhait, S. K. Kar, A novel rhodamine-based colorimetric chemodosimeter for the rapid detection of Al3+in aqueous methanol: Fluorescent “OFF-ON” mechanism, Tetrahedron Lett. 54 (2013) 3630-3634 DOI: 10.1016/j.tetlet.2013.04.103
[137] S. Jana, S. Dalapati, N. Guchhait, Functional group induced excited state intramolecular proton transfer process in 4-amino-2-methylsulfanyl-pyrimidine-5-carboxylic acid ethyl ester: A combined spectroscopic and Density Functional Theory study, Photochem. Photobiol. Sci. 12 (2013) 1636-1648 DOI: 10.1039/C3PP50010A
[136] S. Jana, S. Dalapati, N. Guchhait, Excited state intramolecular charge transfer suppressed proton transfer process in 4-diethylamino-2-hydroxy-benzaldehyde” J. Phys. Chem. A 117 (2013) 4367-4376 DOI: 10.1021/jp3120463
[135] S. Jana, S. Dalapati, S. Ghosh, N. Guchhait, Excited state intramolecular charge transfer process in 5-(4-dimethylamino-phenyl)-penta-2,4-dienoic acid ethyl ester and effect of acceptor functional groups, J. Photochem. Photobiol. A 261(2013) 31-40 DOI: 10.1016/j.jphotochem.2013.04.005
[134] A. Ganguly, S. Jana, S. Ghosh, S. Dalapati, N. Guchhait, Solvent modulated photophysics of 9-methyl anthroate: Exploring the effect of polarity and hydrogen bonding on the emissive state, Spectrochim. Acta, Part A, 112 (2013) 237-244 DOI: 10.1016/j.saa.2013.04.059
[133] B. K. Paul, N. Guchhait, A quantum chemical computational insight into the intramolecular hydrogen bond interaction in an antibacterial drug molecule 2-acetylindan-1,3-dione, Comput. Theor. Chem. 1012 (2013) 20-26 DOI: 10.1016/ j.comptc.2013.02.015
[132] B. K. Paul, N. Guchhait, Geometrical criteria versus quantum chemical criteria for assessment of intramolecular hydrogen bond (IMHB) interaction: A computational comparison into the effect of chlorine substitution on IMHB of salicylic acid in its lowest energy ground state conformer, Chem. Phys., 412 (2013) 58-67 DOI: 10.1016/j.chemphys.2012.12.006
[131] B. K. Paul, N. Guchhait, Looking at the Green Fluorescent Protein (GFP) chromophore from a different perspective: A computational insight, Spectrochim. Acta, Part A,103 (2013) 295-303 DOI: 10.1016/j.saa.2012.11.007.
[130] B. K. Paul, D. Ray, N. Guchhait, Unraveling the binding interaction and kinetics of a prospective anti-HIV drug with a model transport protein: results and challenges, Phys. Chem. Chem. Phys., 15 (2013) 1275-1287 DOI: 10.1039/c2cp42539d.
[129] S. Dalapati, M. A. Alam, S. Jana, S. Karmakar, N. Guchhait, “Test Kit” for detection of biologically important anions: A Salicylidene-hydrazine based Schiff base, Spectrochim. Acta, Part A, 102 (2013) 314-318 DOI: 10.1016/j.saa.2012.10.038.
2012
[128] S. Dalapati, R. Saha, S. Jana, A. K. Patra, A. Bhaumik, S. Kumar, N. Guchhait, A multifunctional porous organic Schottky Barrier diode, Angew. Chem. Int. Ed., 51 (2012) 12534-12537 DOI: 10.1002/anie.201205439.
[127] S. Jana, S. Dalapati, N. Guchhait, (2012): Proton Transfer Assisted Charge Transfer Phenomena in Photochromic Schiff Bases and Effect of -NEt2 Groups to the Anil Schiff Bases, J. Phys. Chem. A, 116 (2012) 10948-10958 DOI: 10.1021/jp3079698.
[126] B. K. Paul, K. Bhattacharjee, S. Bose, N. Guchhait, A Spectroscopic Investigation on the Interaction of a Magnetic Ferrofluid with a Model Plasma Protein: Effect on the Conformation and Activity of the Protein, Phys. Chem. Chem. Phys., 14 (2012) 15482-15493 DOI: 10.1039/C2CP42415K.
[125] P. Bhattacharyya, A. Medda, A. Samanta, N. Guchhait, A. R. Das, ChemInform Abstract: Silica gel-mediated microwave-assisted efficient synthesis of highly substituted imidazoles and exploration of naked eye/colorimetric sensor for anions, ChemInform., 43 (2012) DOI: 10.1002/chin.201212115.
[124] A. Samanta, B. K. Paul, N. Guchhait, Modulation of intramolecular charge transfer emission inside micelles: A fluorescence probe for studying microenvironment of micellar assemblies, J. Fluoresc., 22 (2012) 289-301 DOI: 10.1007/s10895-011-0959-3.
[123] A. Samanta, B. K. Paul, N. Guchhait, Photophysics of DNA staining dye Propidium Iodide encapsulated in bio-mimetic micelle and genomic fish sperm DNA, J. Photochem. Photobiol. B, 109 (2012) 58-67 DOI: 10.1016/j.jphotobiol.2012.02.001.
[122] A. Samanta, B. K. Paul, N. Guchhait, Reinvestigation of photoinduced intramolecular charge transfer reaction in p-Dimethylaminobenzaldehyde by spectroscopic method and Density Functional Theory (DFT) calculation, J. Lumin., 132 (2012) 517-525 DOI: 10.1016/j.jlumin.2011.06.058.
[121] A. Samanta, S. Jana, N. Guchhait, Spectral modulation of a charge transfer reaction of 2-methoxy-4-(N, N-dimethylamino)benzaldehyde inside cyclodextrin nanocage, J. Incl. Phenom. Macro., (2012) 1-12 DOI: 10.1007/s10847-012-0146-4.
[120] A. Samanta, S. Dalapati, N. Guchhait, Selective anion recognition by inhibition of excited state intramolecular proton transfer process via hydrogen bonding interaction and efficient deprotonation: Spectroscopic and theoretical investigation, J. Photochem. Photobiol. A, 232 (2012) 64-72 DOI: 10.1016/j.jphotochem.2012.02.004.
[119] D. Ray, B. K. Paul, N. Guchhait, Effect of biological confinement on the photophysics and dynamics of a proton-transfer phototautomer: An exploration of excitation and emission wavelength-dependent photophysics of the protein-bound drug, Phys. Chem. Chem. Phys., 14 (2012) 12182-12192 DOI: 10.1039/C2CP41292F.
[118] B. K. Paul, D. Ray, N. Guchhait, Spectral deciphering of the interaction between an intramolecular hydrogen bonded ESIPT drug, 3,5-dichlorosalicylic acid, and a model transport protein, Phys. Chem. Chem. Phys., 14 (2012) 8892-8902 DOI: 10.1039/C2CP23496C (Invited article).
[117] B. K. Paul, D. Ray, N. Guchhait, Binding interaction and rotational-relaxation dynamics of a cancer cell photosensitizer with various micellar assemblies, J. Phys. Chem. B, 116 (2012) 9704-9717 DOI: 10.1021/jp304280m.
[116] B. K. Paul, N. Guchhait, Differential interactions of a biological photosensitizer with liposome membranes having varying surface charges, Photochem. Photobiol. Sci., 11 (2012) 661-673 DOI: 10.1039/C2PP05346B.
[115] B. K. Paul, N. Guchhait, Evidence for excited-state intramolecular proton transfer in 4-chlorosalicylic acid from combined experimental and computational studies: Quantum chemical treatment of the intramolecular hydrogen bonding interaction, Chem. Phys., 403 (2012) 94-104 DOI: 10.1016/j.chemphys.2012.05.016.
[114] B. K. Paul, N. Guchhait, 1-Hydroxy-2-naphthaldehyde: A prospective excited-state intramolecular proton transfer (ESIPT) probe with multi-faceted applications, J. Lumin., 132 (2012) 2194-2208 DOI: 10.1016/j.jlumin.2012.03.036. (Review article)
[113] B. K. Paul, N. Guchhait, Response of an environment-sensitive intramolecular charge transfer probe towards solubilization of liposome membranes by a non-ionic detergent: Association and dissociation kinetics, Spectrochim. Acta, Part A, 96 (2012) 117-126 DOI: 10.1016/j.saa.2012.05.016.
[112] S. Jana, S. Ghosh, S. Dalapati, N. Guchhait, Exploring structural change of protein bovine serum albumin by external perturbation using extrinsic fluorescence probe: Spectroscopic measurement, molecular docking and molecular dynamics simulation, Photochem. Photobiol. Sci., 11 (2012) 323-332 DOI: 10.1039/C1PP05180F.
[111] S. Jana, S. Dalapati, S. Ghosh, N. Guchhait, Binding interaction between plasma protein bovine serum albumin and flexible charge transfer fluorophore: A spectroscopic study in combination with molecular docking and molecular dynamics simulation, J. Photochem. Photobiol. A, 231 (2012) 19-27 DOI: 10.1016/j.jphotochem.2011.12.002.
[110] S. Jana, S. Dalapati, S. Ghosh, N. Guchhait, Study of microheterogeneous environment of protein Human Serum Albumin by an extrinsic fluorescent reporter: A spectroscopic study in combination with Molecular Docking and Molecular Dynamics Simulation, J. Photochem. Photobiol. B, 112 (2012) 48-58 DOI: 10.1016/j.jphotobiol.2012.04.007.
[109] S. Jana, S. Dalapati, S. Ghosh, N. Guchhait, Potential charge transfer probe induced conformational changes of model plasma protein human serum albumin: Spectroscopic, molecular docking, and molecular dynamics simulation study, Biopolymers, 97 (2012) 766-777 DOI: 10.1002/bip.22057.
[108] S. Jana, S. Dalapati, M. A. Alam, N. Guchhait, Fluorescent chemosensor for Zn(II) ion by ratiometric displacement of Cd(II) ion: A spectroscopic study and DFT calculation, J. Photochem. Photobiol. A, 238 (2012) 7-15 DOI: 10.1016/j.jphotochem.2012.04.002.
[107] S. Jana, S. Dalapati, M. A. Alam, N. Guchhait, Spectroscopic, colorimetric and theoretical investigation of Salicylidene hydrazine based reduced Schiff base and its application towards biologically important anions, Spectrochim. Acta, Part A, 92 (2012) 131-136 DOI: 10.1016/j.saa.2012.02.028.
[106] S. Ghosh, B. K. Paul, A. Chakraborty, D. N. Nath, N. Guchhait, Intramolecular charge transfer reaction in 3-amino-4-methyl benzoic acid: A study from condensed phase to jet-cooled molecular beam, Indian J. Phys., 86 (2012) 219-224 DOI: 10.1007/s12648-012-0041-2.
[105] S. Ghosh, S. Jana, N. Guchhait, Domain specific association of small fluorescent probe trans -3-(4-monomethylaminophenyl)-acrylonitrile (MMAPA) with bovine serum albumin (BSA) and its dissociation from protein binding sites by Ag nanoparticles: Spectroscopic and molecular docking study, J. Phys. Chem. B, 116 (2012) 1155-1163 DOI: 10.1021/jp2094752.
[104] S. Dalapati, S. Jana, R. Saha, M. A. Alam, N. Guchhait, Reusable amine-based structural motifs for green house gas (CO2) fixation, Org. Lett., 14 (2012) 3244-3247 DOI: 10.1021/ol301241k.
[103] S. Dalapati, M. A. Alam, S. Jana, R. Saha, N. Guchhait, Reusable anion detection kit: An aqueous medium anion detection, Sens. Actuators B, 162 (2012) 57-62 DOI: 10.1016/j.snb.2011.12.022.
[102] S. Dalapati, M. A. Alam, S. Jana, R. Saha, S. Biswas, N. Guchhait, A molecular lock and key: "Unlocked-locked" conformational switching of a receptor by anions, ChemPlusChem., 77 (2012) 93-97 DOI: 10.1002/cplu.201100036 (Highlighted in ChemViews Magazine).
[101] S. Dalapati, M. A. Alam, S. Jana, N. Guchhait, Reduced Schiff-base assisted novel dihydrogenphosphate-water polymer, CrystEngComm., 14 (2012) 6029-6034 DOI: 10.1039/C2CE25502B.
[100] S. Dalapati, M. A. Alam, R. Saha, S. Jana, N. Guchhait, An efficient size-selective anion binding cleft-shaped receptor: A novel [F2(H2O)3] 2- cluster with pseudo-encapsulated F- ion, CrystEngComm., 14 (2012) 1527-1530 DOI: 10.1039/C2CE06286K (Front cover article).
[99] P. Bhattacharyya, A. Medda, D. C. Gorain, B. K. Pal, N. Guchhait, A. R. Das, A novel coumarinyl scaffold as metal ion sensor towards spectrophotometric detection of Cu2+, Ni2+ and Zn2+ ion, J. Indian Chem. Soc., 89 (2012) 623-629 pdf link.
2011
[98] A. Samanta, B. K. Paul, S. Kar, N. Guchhait, Excited state lactim to lactam type tautomerization reaction in 5-(4-fluorophenyl)-2-hydroxypyridine: Spectroscopic study and quantum chemical calculation, J. Fluoresc., 21 (2011) 95-104 DOI: 10.1007/s10895-010-0692-3.
[97] A. Samanta, B. K. Paul, N. Guchhait, Studies of bio-mimetic medium of ionic and non-ionic micelles by a simple charge transfer fluorescence probe N,N-dimethylaminonapthyl-(acrylo)-nitrile, Spectrochim. Acta, Part A, 78 (2011) 1525-1534 DOI: 10.1016/j.saa.2011.01.044.
[96] A. Samanta, B. K. Paul, N. Guchhait, Spectroscopic probe analysis for exploring probe-protein interaction: A mapping of native, unfolding and refolding of protein bovine serum albumin by extrinsic fluorescence probe, Biophys. Chem., 156 (2011) 128-139 DOI: 10.1016/j.bpc.2011.03.008.
[95] B. K. Paul, A. Samanta, N. Guchhait, On the photophysics of 3,5,6-trichlorosalicylic acid: Spectroscopic study combined with hartree-fock and density functional theory calculations, J. Fluoresc., 21 (2011) 1265-1279 DOI: 10.1007 /s10895-010-0809-8.
[94] B. K. Paul, S. Mahanta, R. B. Singh, N. Guchhait, A new window towards multidimensional sensing of transition metal cations through dual mode sensing ability of N-benzyl-(3-hydoxy-2-naphthalene): Emission enhancement coupled remarkable spectral shift, Spectrochim. Acta, Part A, 79 (2011) 197-205 DOI: 10.1016/j.saa.2011.02.035.
[93] B. K. Paul, S. Kar, N. Guchhait, A Schiff base-derived new model compound for selective fluorescence sensing of Cu(II) and Zn(II) with ratiometric sensing potential: Synthesis, photophysics and mechanism of sensory action, J. Photochem. Photobiol. A, 220 (2011) 153-163 DOI: 10.1016/j.jphotochem.2011.04.006.
[92] B. K. Paul, N. Guchhait, Constrained photophysics of an ESIPT probe within β-cyclodextrin nanocavity and chaotrope-induced perturbation of the binding phenomenon: Implication towards hydrophobic interaction mechanism between urea and the molecular probe, J. Colloid Interf. Sci., 353 (2011) 237-247 DOI: 10.1016/j.jcis.2010.09.030,
[91] B. K. Paul, N. Guchhait, A spectral deciphering of the binding interaction of an intramolecular charge transfer fluorescence probe with a cationic protein: Thermodynamic analysis of the binding phenomenon combined with blind docking study, Photochem. Photobiol. Sci., 10 (2011) 980-991 DOI: 10.1039/C0PP00309C.
[90] B. K. Paul, N. Guchhait, A computational insight into the photophysics of a potent UV absorber Tinuvin P: Critical evaluation of the role of charge transfer interaction and topological properties of the intramolecular hydrogen bonding, Comput. Theor. Chem., 966 (2011) 250-258 DOI: 10.1016/j.comptc.2011.03.011,
[89] B. K. Paul, N. Guchhait, Modulation of prototropic activity and rotational relaxation dynamics of a cationic biological photosensitizer within the motionally constrained bio-environment of a protein, J. Phys. Chem. B, 115 (2011) 10322-10334 DOI: 10.1021/jp2015275.
[88] B. K. Paul, N. Guchhait, TD-DFT investigation of the potential energy surface for Excited-State Intramolecular Proton Transfer (ESIPT) reaction of 10-hydroxybenzo[h]quinoline: Topological (AIM) and population (NBO) analysis of the intramolecular hydrogen bonding interaction, J. Lumin., 131 (2011) 1918-1926 DOI: 10.1016/j.jlumin.2011.04.046,
[87] B. K. Paul, N. Guchhait, Density functional theory (DFT) and natural bond orbital (NBO) investigation of intramolecular hydrogen bond interaction and excited-state intramolecular proton transfer (ESIPT) reaction in a five-membered hydrogen-bonding system 2-(1H-pyrazol-5-yl)pyridine: On the possibility of solvent (water)-assisted ESPT, Comput. Theor. Chem., 972 (2011) 1-13 DOI: 10.1016/j.comptc.2011.06.004.
[86] B. K. Paul, N. Guchhait, Morphological transition of the host-structure influences solvent-relaxation: A wavelength-selective fluorescence exploration through environment-sensitive intramolecular charge transfer photophysics, Spectrochim. Acta, Part A, 81 (2011) 590-597 DOI: 10.1016/j.saa.2011.06.056.
[85] B. K. Paul, N. Guchhait, Exploring the strength, mode, dynamics, and kinetics of binding interaction of a cationic biological photosensitizer with DNA: Implication on dissociation of the drug-DNA complex via detergent sequestration, J. Phys. Chem. B, 115 (2011) 11938-11949 DOI: 10.1021/jp206589e.
[84] B. K. Paul, N. Guchhait, Spectroscopic probing of location and dynamics of an environment-sensitive intramolecular charge transfer probe within liposome membranes, J. Colloid Interface Sci., 363 (2011) 529-539 DOI: 10.1016 /j.jcis.2011.07.074.
[83] B. K. Paul, N. Guchhait, A computational investigation on the intramolecular hydrogen bonding interaction and excited state intramolecular proton transfer process in 2-quinolin-2-yl-phenol, Comput. Theor. Chem., 978 (2011) 67-76. DOI: 10.1016/j.comptc.2011.09.040.
[82] S. Mahanta, B. K. Paul, R. B. Singh, N. Guchhait, Inequivalence of substitution pairs in hydroxynaphthaldehyde: A theoretical measurement by intramolecular hydrogen bond strength, aromaticity, and excited-state intramolecular proton transfer reaction, J. Comput. Chem., 32 (2011) 1-14. DOI: 10.1002/jcc.21592
[81] S. Jana, S. Ghosh, S. Dalapati, S. Kar, N. Guchhait, Photoinduced intramolecular charge transfer phenomena in 5-(4-dimethylamino-phenyl)-penta-2,4-dienoic acid, Spectrochim. Acta, Part A, 78 (2011) 463-468. DOI: 10.1016/ j.saa.2010.11.010.
[80] S. Jana, S. Dalapati, S. Ghosh, S. Kar, N. Guchhait, Excited state charge transfer reaction with dual emission from 5-(4-dimethylamino-phenyl)-penta-2,4-dienenitrile: Spectral measurement and theoretical density functional theory calculation, J. Mol. Struct., 998 (2011) 136-143 DOI: 10.1016/j.molstruc.2011.05.022.
[79] S. Ghosh, S. Jana, D. Nath, N. Guchhait, Fluorescent probing of protein bovine serum albumin stability and denaturation using polarity Sensitive spectral response of a charge transfer probe, J. Fluoresc., 21 (2011) 365-374 DOI: 10.1007/s10895-010-0725-y.
[78] S. Ghosh, S. Jana, N. Guchhait, Constrained photophysics of partially and fully encapsulated charge transfer probe (E)-3-(4-Methylaminophenyl) acrylic acid methyl ester inside cyclodextrin nano-cavities: Evidence of cyclodextrins cavity dependent complex stoichiometry, Spectrochim. Acta, Part A, 84 (2011) 249-255 DOI: 10.1016/j.saa.2011.09.038.
[77] S. Dalapati, B. K. Paul, S. Jana, N. Guchhait, Highly selective and sensitive fluorescence reporter for toxic Hg(II) ion by a synthetic symmetrical azine derivative, Sens. Actuators B, 157 (2011) 615-620 DOI: 10.1016/j.snb.2011.05.034.
[76] S. Dalapati, S. Jana, N. Guchhait, Colorimetric "Naked-eye" highly selective detection of Cu(II) ion by a simple chemosensor: An experimental and theoretical modeling, Chem. Lett., 40 (2011) 279-281 DOI: 10.1246/cl.2011.279.
[75] S. Dalapati, S. Jana, M. A. Alam, N. Guchhait, Multifunctional fluorescent probe selective for Cu(II) and Fe(III) with dual-mode of binding approach, Sens. Actuators B, 160 (2011) 1106-1111 DOI: 10.1016/j.snb.2011.09.034.
[74] S. Dalapati, M. A. Alam, S. Jana, N. Guchhait, Naked-eye detection of F- and AcO- ions by Schiff base receptor, J. Fluorine Chem., 132 (2011) 536-540 DOI: 10.1016/j.jfluchem.2011.05.025.
[73] A. Chakraborty, N. Guchhait, K. Le Barbu-Debus, A. Mahjoub, V. Lepère, A. Zehnacker-Rentien, Role of conformational isomerism in solvent-mediated charge transfer in chiral (S) 1,2,3,4-tetrahydro-3-isoquinoline methanol (THIQM): Condensed-phase to jet-cooled spectroscopic studies, J. Phys. Chem. A, 115 (2011) 9354-9364 DOI: 10.1021/jp1095536.
[72] P. Bhattacharyya, A. Medda, A. Samanta, N. Guchhait, A. R. Das, Silica gel-mediated microwave-assisted efficient synthesis of highly substituted imidazoles and exploration of naked eye/colorimetric sensor for anions, J. Ind. Chem. Soc., 88 (2011) 983-993 pdf link.
2010
[71] R. B. Singh, S. Mahanta, N. Guchhait, Spectral modulation of charge transfer fluorescence probe encapsulated inside aqueous and non-aqueous β-cyclodextrin nanocavities, J. Mol. Struct., 963 (2010) 92-97 DOI: 10.1016/j.molstruc.2009.10.024.
[70] A. Samanta, B. K. Paul, S. Mahanta, R.B. Singh, S. Kar, N. Guchhait, Evidence of acid mediated enhancement of photoinduced charge transfer reaction in 2-methoxy-4-(N,N-dimethylamino)benzaldehyde: Spectroscopic and quantum chemical study, J. Photochem. Photobiol. A, 212 (2010) 161-169 DOI: 10.1016/j.jphotochem.2010.04.011.
[69] A. Samanta, B. K. Paul, S. Jana, N. Guchhait, Transition metal ions or acid-induced suppression of photoinduced proton transfer and electron transfer reaction in 5-(4-Fluorophenyl)-2-hydroxypyridine: A molecule of dual mode fluorosensitivity, Photochem. Photobiol., 86 (2010) 1022-1029 DOI: 10.1111/j.1751-1097.2010.00785.x.
[68] A. Samanta, B. K. Paul, N. Guchhait, Novel proton transfer fluorescence probe 2-hydroxy-pyridine and 5-(4-fluorophenyl)-2-hydroxypyridine for studying native, denatured and renatured state of protein Bovine Serum Albumin, J. Photochem. Photobiol. B, 101 (2010) 304-312 DOI:10.1016/j.jphotobiol.2010.07.016.
[67] B. K. Paul, A. Samanta, S. Kar, N. Guchhait, Lactim-lactam tautomerism is favoured over enol-keto tautomerism in 2-hydroxy-5-(4-fluorophenyl)nicotinic acid: Experimental and quantum chemical approach, J. Photochem. Photobiol. A, 214 (2010) 203-214 DOI: 10.1016/j.jphotochem.2010.06.028.
[66] B. K. Paul, A. Samanta, N. Guchhait, Deciphering the photophysics of 5-chlorosalicylic acid: Evidence for excited-state intramolecular proton transfer, Photochem. Photobiol. Sci., 9 (2010) 57-67 DOI: 10.1039/B9PP00094A (Among the top 10 hottest article of the year).
[65] B. K. Paul, A. Samanta, N. Guchhait, Modulation of excited-state intramolecular proton transfer reaction of 1-hydroxy-2-naphthaldehyde in different supramolecular assemblies, Langmuir, 26 (2010) 3214-3224 DOI: 10.1021/la903196k.
[64] B. K. Paul, A. Samanta, N. Guchhait, Exploring hydrophobic subdomain iia of the protein bovine serum albumin in the native, intermediate, unfolded, and refolded states by a small fluorescence molecular reporter, J. Phys. Chem. B, 114 (2010) 6183-6196 DOI: 10.1021/jp100004t.
[63] B. K. Paul, A. Samanta, N. Guchhait, Implication toward a simple strategy to generate efficiency-tunable fluorescence resonance energy transfer emission: Intertwining medium-polarity-sensitive intramolecular charge transfer emission to fluorescence resonance energy transfer, J. Phys. Chem. A, 114 (2010) 6097-6102 DOI: 10.1021/jp101862w.
[62] B. K. Paul, A. Samanta, N. Guchhait, Influence of chlorine substitution on intramolecular hydrogen bond energy and ESIPT barrier: Experimental and theoretical measurements on the photophysics of 3,5-dichlorosalicylic acid, J. Mol. Struct., 977 (2010) 78-89 DOI: 10.1016/j.molstruc.2010.05.018.
[61] B. K. Paul, S. Mahanta, R. B. Singh, N. Guchhait, A DFT-based theoretical study on the photophysics of 4-hydroxyacridine: Single-water-mediated excited state proton transfer, J. Phys. Chem. A, 114 (2010) 2618-2627 DOI: 10.1021/jp909029c.
[60] B. K. Paul, N. Guchhait, Modulated photophysics of an ESIPT probe 1-hydroxy-2-naphthaldehyde within motionally restricted environments of liposome membranes having varying surface charges, J. Phys. Chem. B, 114 (2010) 12528-12540 DOI: 10.1021/jp1048138.
[59] S. Mahanta, R. B. Singh, A. Bagchi, D. Nath, N. Guchhait, Study of protein-probe complexation equilibria and protein-surfactant interaction using charge transfer fluorescence probe methyl ester of N,N-dimethylamino naphthyl acrylic acid, J. Lumin., 130 (2010) 917-926 DOI: 10.1016/j.jlumin.2010.01.011.
[58] B. K. Paul, A. Samanta, S. Kar, N. Guchhait, Evidence for excited state intramolecular charge transfer reaction in donor-acceptor molecule 5-(4-dimethylamino-phenyl)-penta-2,4-dienoic acid methyl ester: Experimental and quantum chemical approach, J. Lumin., 130 (2010) 1258-1267 DOI: 10.1016/j.jlumin.2010.02.036.
[57] B. Jin, I. C. Chen, W. T. Huang, C. Y. Lien, N. Guchhait, J. J. Lin, Photodissociation cross section of ClOOCl at 330 nm, J. Phys. Chem. A, 114 (2010) 4791-4797 DOI: 10.1021/jp909374k.
[56] S. Ghosh, N. Guchhait, Fluorescent probing of urea-induced chemical unfolding of bovine serum albumin by intramolecular charge transfer fluorescence probe E-3-(4-Dimethylamino-Naphthalen-1-yl)-acrylic acid, Photochem. Photobiol., 86 (2010) 290-296 DOI: 10.1111/j.1751-1097.2009.00665.x.
[55] S. Ghosh, A. Chakraborty, S. Kar, N. Guchhait, Photoinduced properties of methyl ester of 2,6-dimethyl-1-amino-4-benzoic acid: Evidence of charge transfer emission from a weak primary amino donor, Spectrochim. Acta, Part A, 75 (2010) 320-324 DOI: 10.1016/j.saa.2009.10.033.
[54] A. Chakraborty, K. Le Barbu-Debus, A. Zehnacker-Rentien, N. Guchhait, Laser-induced fluorescence and dispersed fluorescence studies of the donor-acceptor system 4-amino 3-methyl benzoic acid methyl ester and its solvated clusters: Evidence of excited-state charge-transfer reaction, J. Photochem. Photobiol. A, 213 (2010) 164-170 DOI: 10.1016/j.jphotochem.2010.05.020.
[53] B. K. Paul, N Guchhait, (2010): Constrained Photophysics of an ESIPT Probe within β-Cyclodextrin Nanocavity and Chaotrope-Induced Perturbation of the Binding Phenomenon: Implication towards Hydrophobic Interaction Mechanism between Urea and the Molecular Probe, J. Coll. Interface Sci. 353 (2010) 237-247 DOI: 10.1016/j.jcis.2010.09.030.
2009
[52] R. B. Singh, S. Mahanta, N. Guchhait, Study of proteinous and micellar microenvironment using donor acceptor charge transfer fluorosensor N,N-dimethylaminonaphthyl-(acrylo)-nitrile, Spectrochim. Acta, Part A, 72 (2009) 1103-1111 DOI: 10.1016/j.saa.2009.01.011.
[51] R. B. Singh, S. Mahanta, N. Guchhait, Reply to comment on 'Critical micellar concentration and protein-surfactant interaction (Comment to 'Destructive and protective action of sodium dodecyl sulphate micelles on the native conformation of Bovine Serum Albumin: A study by extrinsic fluorescence probe 1-hydroxy-2-naphthaldehye')', Chem. Phys. Lett., 483 (2009) 184-185 DOI: 10.1016/j.cplett.2009.10.032.
[50] R. B. Singh, S. Mahanta, A. Bagchi, N. Guchhait, Interaction of human serum albumin with charge transfer probe ethyl ester of N,N-dimethylamino naphthyl acrylic acid: An extrinsic fluorescence probe for studying protein micro-environment, Photochem. Photobiol. Sci., 8 (2009) 101-110 DOI: 10.1039/B814050B.
[49] C. Mukhopadhyay, A. Datta, R. J. Butcher, B. K. Paul, N. Guchhait, R. Singha, Water mediated expeditious and highly selective synthesis of 2-aryl-1-arylmethyl-1H-benzimidazoles by dowex 50w: Fluorescence properties of some representative compounds, Arkivoc, 2009 (2009) 1-22.
[48] A. Mahjoub, A. Chakraborty, V. Lepere, K. Le Barbu-Debus, N. Guchhait, A. Zehnacker, Chirality-dependent hydrogen bond direction in jet-cooled (S)-1,2,3,4-tetrahydro-3-isoquinoline methanol (THIQM): IR-ion dip vibrational spectroscopy of the neutral and the ion, Phys. Chem. Chem. Phys., 11 (2009) 5160-5169 DOI: 10.1039/B822871J.
[47] S. Mahanta, R. B. Singh, N. Guchhait, Study of protein-probe interaction and protective action of surfactant sodium dodecyl sulphate in urea-denatured HSA using charge transfer fluorescence probe methyl ester of N,N-dimethylamino naphthyl acrylic acid, J. Fluoresc., 19 (2009) 291-302 DOI: 10.1007/s10895-008-0415-1.
[46] S. Gupta, B. K. Paul, A. K. Barik, T. N. Mandal, S. Roy, N. Guchhait, R.J. Butcher, S. K. Kar, Modulation of fluorescence emission of 1-(2-pyridyl) pyrazole derived Schiff base ligands by exploiting their metal ion sensitive binding modes, Polyhedron, 28 (2009) 3577-3585 DOI: 10.1016/j.poly.2009.07.053.
[45] S. Ghosh, N. Guchhait, Chemically induced unfolding of bovine serum albumin by urea and sodium dodecyl sulfate: A spectral study with the polarity-sensitive charge-transfer fluorescent probe (E)-3-(4-methylaminophenyl)acrylic acid methyl ester, ChemPhysChem., 10 (2009) 1664-1671 DOI: 10.1002/cphc.200900161.
[44] S. Ghosh, A. Chakraborty, S. Kar, N. Guchhait, Photo-induced charge transfer emission in (E)-3-(4-dimethylamino-naphthalen-1-yl)-acrylic acid and its use as metal ions fluorosensor, J. Lumin., 129 (2009) 482-491 DOI: 10.1016/j.jlumin.2008.11.025.
[43] A. R. Das, A. Medda, R. Singha, N. Guchhait, A highly active catalyst supported molecular sieves-NaHCO3 mixture for the selective and advantageous N-monoalkylation of amines, J. Ind. Chem. Soc., 86 (2009) 841-848 pdf link.
[42] A. Chakraborty, S. Ghosh, S. Kar, D. N. Nath, N. Guchhait, Dual emission from (E)-3-(4-methylamino-phenyl)-acrylic acid ethyl ester (MAPAEE) and its application as fluorescence probe for studying micellar and protein microenvironment, J. Mol. Struct., 917 (2009) 148-157 DOI: 10.1016/j.molstruc.2008.07.007.
2008
[41] R. B. Singh, S. Mahanta, S. Kar, N. Guchhait, Spectroscopic and theoretical evidence for the photoinduced twisted intramolecular charge transfer state formation in N,N-dimethylaminonaphthyl-(acrylo)-nitrile, J. Lumin., 128 (2008) 1421-1430 DOI: 10.1016/j.jlumin.2008.01.015.
[40] R. B. Singh, S. Mahanta, N. Guchhait, Destructive and protective action of sodium dodecyl sulphate micelles on the native conformation of Bovine Serum Albumin: A study by extrinsic fluorescence probe 1-hydroxy-2-naphthaldehyde, Chem. Phys. Lett., 463 (2008) 183-188 DOI: 10.1016/j.cplett.2008.08.017.
[39] R. B. Singh, S. Mahanta, N. Guchhait, Solvent dependent excited state spectral properties of 4-hydroxyacridine: Evidence for only water mediated excited state proton transfer process, J. Photochem. Photobiol. A, 200 (2008) 325-333 DOI: 10.1016/j.jphotochem.2008.08.012.
[38] S. Mahanta, R. B. Singh, D. Nath, N. Guchhait, Photophysical properties of 2,3,6,7-tetrahydro-8-hydroxy-1H, 5H-benz[i, j] quinolizine-9-carboxaldehyde: Evidence of excited state intramolecular proton transfer but not of intramolecular charge transfer process, J. Photochem. Photobiol. A, 197 (2008) 62-73 DOI: 10.1016/j.jphotochem.2007.12.011.
[37] S. Mahanta, R. B. Singh, S. Kar, N. Guchhait, Photoinduced intramolecular charge transfer in methyl ester of N,N′-Dimethylaminonaphthyl-(acrylic)-acid: Spectroscopic measurement and quantum chemical calculations, J. Photochem. Photobiol. A, 194 (2008) 318-326 DOI: 10.1016/j.jphotochem.2007.08.030.
[36] S. Mahanta, R. B. Singh, S. Kar, N. Guchhait, Evidence of coupled photoinduced proton transfer and intramolecular charge transfer reaction in para-N,N-dimethylamino orthohydroxy benzaldehyde: Spectroscopic and theoretical studies, Chem. Phys., 354 (2008) 118-129 DOI: 10.1016/j.chemphys.2008.10.002.
[35] A. R. Das, A. Medda, R. Singha, A. Samanta, N. Guchhait, Synthesis of novel 3-substitued coumarin carboxamides with biological interest and their spectral studies, J. Ind. Chem. Soc., 85 (2008) 1124-1129 pdf link.
[34] A. Chakraborty, N. Guchhait, Inclusion complex of charge transfer probe 4-amino-3-methyl benzoic acid methyl ester (AMBME) with β-CD in aqueous and non-aqueous medium: Medium dependent stoichiometry of the complex and orientation of probe molecule inside β-CD nanocavity, J. Incl. Phenom. Macro., 62 (2008) 91-97 DOI: 10.1007/s10847-008-9442-4.
[33] R. B. Singh, S. Mahanta, N. Guchhait, Study of interaction of proton transfer probe 1-hydroxy-2-naphthaldehyde with serum albumins: A spectroscopic study, J. Photochem. Photobiol. B, 91 (2008) 1-8 DOI: 10.1016/j. jphotobiol.2007.12.006.
[32] S. Mahanta, R. B. Singh, S. Kar, and N. Guchhait, Photoinduced intramolecular charge transfer in methyl ester of N,N-Dimethyl aminonaphthyl-(acrylic)-acid: Spectroscopic measurement and quantum chemical calculations, J. Photochem. Photobiol. A, 194 (2007) 318-326 DOI: 10.1016/j.jphotochem.2007.08.030.
2007
[31] R. B. Singh, S. Mahanta, S. Kar, N. Guchhait, Photo-physical properties of 1-hydroxy-2-naphthaldehyde: A combined fluorescence spectroscopy and quantum chemical calculations, Chem. Phys., 331 (2007) 373-384 DOI: 10.1016/j.chemphys.2006.11.007.
[30] R. B. Singh, S. Mahanta, S. Kar, N. Guchhait, Spectroscopic study of excited state intramolecular charge transfer in ethyl ester of N,N-Dimethylaminonaphthyl-(acrylic)-acid, Chem. Phys., 342 (2007) 33-42 DOI: 10.1016/j.chemphy s.2007.09.015.
[29] R. B. Singh, S. Mahanta, N. Guchhait, Photophysical properties of 1-acetoxy-8-hydroxy-1,4,4a,9a-tetrahydroanthraquinone: Evidence for excited state proton transfer reaction, Chem. Phys., 331 (2007) 189-199 DOI: 10.1016/j.chemphys.2006.09.036.
[28] K. Le Barbu-Debus, N. Guchhait, A. Zehnacker-Rentien, Electronic and infrared spectroscopy of jet-cooled (±)-cis-1-amino-indan-2-ol hydrates, Phys. Chem. Chem. Phys., 9 (2007) 4465-4471 DOI: 10.1039/B705650H.
[27] A. Chakraborty, S. Kar, D. N. Nath, N. Guchhait, Photoinduced intramolecular charge-transfer reactions in 4-amino-3-methyl benzoic acid methyl ester: A fluorescence study in condensed-phase and jet-cooled molecular beams, J. Chem. Sci., 119 (2007) 195-204 DOI: 10.1007/s12039-007-0027-3.
2006
[26] S. Mahanta, R. B. Singh, S. Kar, N. Guchhait, Excited state intramolecular proton transfer in 3-hydroxy-2-naphthaldehyde: A combined study by absorption and emission spectroscopy and quantum chemical calculation, Chem. Phys., 324 (2006) 742-752 DOI: 10.1016/j.chemphys.2006.01.036.
[25] K. Le Barbu-Debus, F. Lahmani, A. Zehnacker-Rentien, N. Guchhait, S. S. Panja, T. Chakraborty, Fluorescence spectroscopy of jet-cooled chiral (±)-indan-1-ol and its cluster with (±)-methyl- and ethyl-lactate, J. Chem. Phys., 125 (2006) DOI: 10.1063/1.2355493.
[24] K. Le Barbu-Debus, F. Lahmani, A. Zehnacker-Rentien, N. Guchhait, Laser-induced fluorescence and single vibronic level emission spectroscopy of chiral (R)-1-aminoindan and some of its clusters in a supersonic jet, Phys. Chem. Chem. Phys., 8 (2006) 1001-1006 DOI: 10.1039/B512711D.
[23] K. Le Barbu-Debus, F. Lahmani, A. Zehnacker-Rentien, N. Guchhait, Electronic and infrared spectroscopy of chiral (±)-cis-1-amino-indan-2-ol in a supersonic jet, Chem. Phys. Lett., 422 (2006) 218-225 DOI: 10.1016/j.cplett.2 006.02.055.
[22] A. Chakraborty, S. Kar, D. N. Nath, N. Guchhait, Photoinduced intramolecular charge transfer reaction in (E)-3-(4-methylamino-phenyl)-acrylic acid methyl ester: A fluorescence study in combination with TDDFT calculation, J. Phys. Chem. A, 110 (2006) 12089-12095 DOI: 10.1021/jp0629846.
[21] A. Chakraborty, S. Kar, N. Guchhait, Photoinduced intramolecular charge transfer (ICT) reaction in trans-methyl p-(dimethylamino) cinnamate: A combined fluorescence measurement and quantum chemical calculations, Chem. Phys., 320 (2006) 75-83 DOI: 10.1016/j.chemphys.2005.06.031.
[20] A. Chakraborty, S. Kar, N. Guchhait, Photophysical properties of trans-3-(4-monomethylamino-phenyl)-acrylonitrile: Evidence of twisted intramolecular charge transfer (TICT) process, Chem. Phys., 324 (2006) 733-741 DOI: 10.1016/j.chemphys.2005.12.032.
[19] A. Chakraborty, S. Kar, N. Guchhait, Secondary amino group as charge donor for the excited state intramolecular charge transfer reaction in trans-3-(4-monomethylamino-phenyl)-acrylic acid: Spectroscopic measurement and theoretical calculations, J. Photochem. Photobiol. A, 181 (2006) 246-256 DOI: 10.1016/j.jphotochem.2005.12.004.
[18] A. Chakraborty, R. De, N. Guchhait, Dissection of methyl internal rotational barrier in thioacetone, Chem. Phys. Lett., 432 (2006) 616-622 DOI: 10.1016/j.cplett.2006.10.107.
2004
[17] N. Guchhait, S. Banerjee, A. Chakraborty, D. Nath, G. P. Naresh, M. Chowdhury, Structure of hydrated clusters of tetrahydroisoquinoline [THIQ-(H2O)n=1,3] investigated by jet spectroscopy, J. Chem. Phys., 120 (2004) 9514-9523 DOI: 10.1063/1.1711810.
2003
[16] N. Guchhait, Infrared Spectroscopy of Hydrogen Bonded Clusters in the Cooled Jet, Ind. Photobiol. Soc. News Lett. 42 (2003) 67-75.
2002
[15] N. Guchhait, Partitioning of methyl internal rotational barrier energy of thioacetaldehyde, Proceedings of the Indian Academy of Sciences: Chemical Sciences, 114 (2002) 61-74 DOI: 10.1007/BF02709982.
[14] S. Banerjee, N. Guchhait, D. Nath, M. Chowdhury, P. S. Meenakshi, S. Wategaonkar, A. Das, T. Chakraborty, Discrimination of two low-energy conformers of octahydroanthracene in supersonic jet, Chem. Phys. Lett., 366 (2002) 211-219 DOI: 10.1016/S0009-2614(02)01570-1.
2001
[13] N. Guchhait, Benzyl alcohol-ammonia (1:1) cluster structure investigated by combined IR-UV double resonance spectroscopy in jet and ab initio calculation, Proceedings of the Indian Academy of Sciences: Chemical Sciences, 113 (2001) 235-244 DOI: 10.1007/BF02704073.
[12] A. Chakraborty, D. Nath, M. Halder, N. Guchhait, M. Chowdhury, Spectral assignment of dual conformers of 1,2,3,6,7,8-hexahydropyrene in the supersonic jet, J. Chem. Phys., 114 (2001) 865-875 DOI: 10.1063/1.1319998.
[11] A. Chakraborty, N. Guchhait, S. Banerjee, D. Nath, G. N. Patwari, M. Chowdhury, Spectroscopic investigation of tetrahydroisoquinoline in supersonic jet, J. Chem. Phys., 115 (2001) 5184-5191 DOI: 10.1063/1.1394742.
[10] S. Banerjee, N. Guchhait, A. Chakraborty, D. Nath, M. Chowdhury, Low-frequency large-amplitude vibrations of julolidine in the S0 and S1 states, Chem. Phys. Lett.,346 (2001)387-392 DOI: 10.1016/S0009-2614(01)00981-2.
2000
[9] N. Guchhait, T. Ebata, N. Mikami, Vibrational spectroscopy for size-selected fluorene-(H2O)n=1,2 clusters in supersonic jets, J. Phys. Chem. A, 104 (2000) 11891-11896 DOI: 10.1021/jp002958m.
1999
[8] N. Guchhait, T. Ebata, N. Mikami, Discrimination of rotamers of aryl alcohol homologues by infrared - Ultraviolet double-resonance spectroscopy in a supersonic jet, J. Am. Chem. Soc., 121 (1999) 5705-5711 DOI: 10.1021/ja9829618.
[7] N. Guchhait, T. Ebata, N. Mikami, Structures of hydrogen-bonded clusters of benzyl alcohol with water investigated by infrared-ultraviolet double resonance spectroscopy in supersonic jet, J. Chem. Phys., 111 (1999) 8438-8447 DOI: 10.1063/1.480184.
1997
[6] V. Pophristic, L. Goodman, N. Guchhait, Role of lone-pairs in internal rotation barriers, J. Phys. Chem. A, 101 (1997) 4290-4297 DOI: 10.1021/jp971020z.
1996
[5] N. Guchhait, D. Majumdar, A. Chakraborty, D. Nath, M. Chowdhury, Low-frequency vibrations in S1 states of tetrahydroquinoline and N-deuterotetrahydroquinoline in supersonic jet, Chem. Phys., 202 (1996) 387-396 DOI: 10.1016/0301-0104(95)00312-6.
1994
[4] N. Guchhait, T. Chakraborty, D. Majumdar, M. Chowdhury, Low-frequency vibrations in S0 and S1 states of 1,2,3,4-tetrahydronaphthalene (tetralin) from fluorescence in a seeded jet, J. Phys. Chem., 98 (1994) 9227-9232 DOI: 10.1021/j100088a023.
[3] N. Guchhait, T. Chakraborty, P. Kumar Bera, D. Nath, M. Chowdhury, Laser-induced fluorescence excitation spectra of indoline: low-frequency vibrations of the pseudo-four-membered ring, J. Mol. Struct., 327 (1994) 161-171 DOI: 10.1016/0022-2860(94)08154-9.
[2] M. Chowdhury, N. Guchhait, Some spectroscopic studies on cold isolated molecules, Proceedings of the Indian Academy of Sciences - Chemical Sciences, 106 (1994) 1263-1268 DOI: 10.1007/BF02840683.
[1] N. Guchhait, R. Dutta, P. Dutta, T. Chakraborty, (1994): Study of butterfly motion of xanthene through jet spectroscopy. Ind. J. Phys. 66B (3) (1994) 241-244.