Conference Proceedings

2013

[62] Guchhait, N. (2013): Solvent Dependent/Independent Photoinduced Charge Transfer Reaction: A Study from 

Condensed Phase to Jet Cooled Molecular Beam, Proceeding of Frontiers in chemical science 2013, VU, Midnapore, India.

[61] Ganguly, A.,  Ghosh, S.,  Guchhait, N. (2013): Effect of Solvent Environment on the Photophysics of 9-methyl anthroate: Exploring the effect of Polarity and Hydrogen Bonding, Proceeding of NSRP, 20th–22nd Mar., NEHU, Shillong, India.

[60] Ghosh, S., Dalapati, S., Alam, Md. A.,  Guchhait, N.  (2013): Reduced Schiff base Assisted Novel Dihydrogenphosphate-water, Proceeding of NSRP, 20th–22nd Mar., NEHU, Shillong, India.

[59] Jana, S., Dalapati, S., Guchhait, N. (2013): ICT suppressed ESIPT process in combined proton and charge transfer probe: 4-diethylamino-2-hydroxy-benzaldehyde, Proceeding of NSRP, 20th–22nd Mar., NEHU,Shillong,India.

[58] Dalapati, S., Jana, S., Ghosh, S., Guchhait, N. (2013):  Re-usable Common Organic Backbones  (COBs) for green house gas (CO2) fixation  , Proceeding of NSRP, 20th–22nd Mar., NEHU, Shillong, India.

[57] Ganguly, A.,  Paul, B. K.,  Ghosh, S.,  Guchhait, N.  (2013): A novel synthetic scheme for Benzimidazole derivatives through selective detection of Fluoride , International Symposium on Molecular Organisation and Complexity: A Chemical Perspective (ISMOC), 6th–8th Feb., University of Calcutta, Kolkata, India.

[56] Ghosh, S., Dalapati, S.,Ganguly, A.,  Alam, Md. A.,  Guchhait, N.  (2013):  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,  International Symposium on Molecular Organisation and Complexity: A Chemical Perspective (ISMOC), 6th–8th Feb., University of Calcutta, Kolkata, India.

[55] Jana, S.,  Dalapati, S.,  Guchhait, N.  (2013):  Excited  state  intramolecular  charge  transfer  process  in MAPPDE  and  effect  of  acceptor  functional groups on the process,  International Symposium on Molecular Organisation and Complexity: A Chemical Perspective (ISMOC), 6th–8th Feb., University of Calcutta, Kolkata, India.

[54] Ray, D., Paul, B. K., Guchhait, N. (2013): A Combined Spectroscopic and Molecular Modeling Approach for Exploring Binding Interaction of Prospective Anti-Cancer, Anti-HIV Drugs with a Model Transport Protein: Effect on Conformation and Functionality of the Protein, International Symposium on Molecular Organisation and Complexity: A Chemical Perspective (ISMOC),  6th–8th Feb., University of Calcutta, Kolkata,India.

2012

[53] Guchhait, N. (2012): Solvent Dependent/Independent Photoinduced Charge Transfer  Reaction: A Study from Condensed Phase to Jet Cooled Molecular Beam, Discussion Meeting on Spectroscopy and Dynamics of Molecules and Clusters (SDMC), 17th-19th Feb., IISC, Bangalore, India.

[52] Ghosh, S.  Dalapati, S., Guchhait, N . (2012): Colorimetric ‘Naked-Eye’ highly selective detection of Cu(II) ion by a simple chemosensor: An experimental and theoretical modeling Proceeding of national seminar, Bethune College, Kolkata, India

[51] Jana, S. Dalapati, S., Guchhait, N. (2012): Probing the protein BSA with extrinsic charge transfer probe Proceeding of national seminar, Bethune  College, Kolkata, India

[50] Paul, B. K., Guchhait, N. (2012): Modulation of Prototropic Activity and Rotational Relaxation Dynamics of a Cationic Biological Photosensitizer within Motionally Constrained Bio-Environment of a Protein, Proceeding of TSRP, BARC, India

[49] Dalapati, S., Jana, S., Guchhait, N. (2012): An efficient size selective anion binding cleft-shaped amine-amide group containing receptor: A novel [F2(H2O)3]2– cluster with pseudo-encapsulated F– ion, Proceeding ofTSRP, BARC, India.

[48] Jana, S., Dalapati, S., Guchhait, N. (2012): Spectral modulation of 5-(4-Dimethylamino-phenyl)-penta-2,4-dienenitrile upon binding with Bovine Serum Albumin, Proceeding of TSRP, BARC, India. 

2011

[47] Dalapati, S., Jana, S., Guchhait, N. (2011): Molecular lock and keys: Unlocked locked conformational switching of a receptor by anions, Proceeding of Chemistry & Complexicity, IACS, India, page 141.

[46] Jana, S., Dalapati, S.,  Guchhait, N. (2011): Binding interaction of the protein BSA with flexible charge transfer Probe: Spectroscopic measurement, Docking and MD simulation Proceeding of Chemistry & Complexicity, IACS, India, page 138.

[45] Alam, Md. A., Dalapati, S., Jana, S., Guchhait, N. (2011): Anion Sensor Kits, Proceeding of Facets of weak interaction 13th–15th Jan., University of Calcutta, India.

[44] Paul, B. K., Guchhait, N. (2011): Mapping of Liposome Membranes Having Varying Surface Charges by a Weakly Bounded Fluorophore, Proceeding of Facets of weak interaction 13th–15th Jan., University of Calcutta, India. 

2010

[42] Paul, B. K., Guchhait, N. (2010): Modulated ESIPT Reaction of 1-Hydroxy-2-naphthaldehyde within Motionally Restricted Environments of Liposome Membranes Having Varying Surface Charges, Proceeding of TSSRA 19th Nov., Jadavpur University, India.

[41] Samanta, A., Guchhait, N. (2010): Excited state 2-hydroxypyridine to pyridone tautomerization in 5-(4-fluorophenyl)-2-hydroxypyridine and its use as acid/base and metal ion fluorescence sensor Proceeding of APSRC/TSRP 14-17 Sept., Lonavala, India.

[40] Paul, B. K., Guchhait, N. (2010): Red-Shifted ESIPT Emission of 1-Hydroxy-2-naphthaldehyde as a Sensitive Probe for Liposome Membranes, Proceeding of APSRC/TSRP 14-17 Sept., Lonavala, India.

[39] Ghosh, S., Chakraborty, A.; Guchhait, N. (2010):Multi-functional Sensitivity of a self-designed fluorescent molecular reporter, Proceeding of APSRC/TSRP 14-17 Sept., Lonavala, India

[38] Jana, S., Dalapati, S., Guchhait, N. (2010): Influence of Donor-Acceptor chain length on ICT process and behaviour of the probe in Protein and Cyclodextrin nano cavity Proceeding of APSRC/TSRP 14-17 Sept. 2010, Lonavala, India.

[37] Dalapati, S., Jana, S., Guchhait, N. (2010): Highly selective and sensitive fluorescence reporter for toxic Hg(II) ion by a new synthetic symmetrical azine derivative, Proceeding of APSRC/TSRP 14-17 Sept., Lonavala, India

[36] Wen-Tsung Huang, I-Cheng Chen, Andrew F. Chen, Bing Jim, Guchhait, N., Y. T. Lee, Jim J. Lin (2010): Photochemistry of ozone hole: Ultraviolet Photodissociation Cross Sections and Quantum Yield of ClOOCl,  Proceeding of 17th  NTU-SNU-UT Symposium, 14th May, at NTU, Taipei, Taiwan.

[35] Guchhait, N., Lin, J. Jr-Min (2010): Absorption Cross Sections of Chlorine peroxide at Atmospheric Window Zone are Consistent with Ozone Degradation Model, Proceeding of the NSAMS-2010, 27th-28th March., ISERC, Visva Bharati, India.

[34] HsuehpYang Chen, Chien-Yu Lien, Wei-Yen Lin, Bing Jim, I-Cheng Chen, Wen-Tsung Huang, Andrew F. Chen, Guchhait, N., Jim J. Lin (2010): Ultraviolet Absorption cross sections of ClOOCl, 2010 Annual Meeting of Asian Core Program “Frontiers of Materials, Photo-, and Theoretical Molecular Science, 28th Feb.-2nd March, IAMS, Taiwan.

[33] Guchhait, N., Lin, J. Jr-Min (2010): Photodissociation Cross Section of ClOOCl and its Application to the Ozone Hole Problem, Proceeding of the Discussion Meeting on Spectroscopy and Dynamics of Molecules and Clusters (SDMC), 18th -21st Feb., Goa, India. 

2009

[32] Ghosh, S., Chakraborty, A., Guchhait N. (2009): Multifunctional fluorosensitivity of some amino charge donor aromatic systems Indo Japan workshop on Frontiers in molecular spectroscopy and Theory 7th–9th March., IACS, Kolkata.

[31] Paul, B. K., Chakraborty, A., Zehnekar-Reitien, A., Guchhait, N. (2009): The role of conformational change in chiral (S) 1,2,3,4- tetrahydro-3 isoquinoline methanol (THIQM): Condensed phase to jet cooled spectroscopic studies Proceeding of the Discussion Meeting on Spectroscopy and Dynamics of Molecules and Clusters (SDMC), 20th-22nd Feb., Mandarmoni, India.

[30] Paul, B. K., Samanta, A., Guchhait, N. (2009) Step by Step Energy Flow from Bovine Serum Albumin to Acridine Orange via an Intermediate Fluorophore by Fluorescence Resonance Energy Transfer (FRET). Proceeding of International Symposium on Frontiers of Functional Materials, University of Calcutta, India.

[29] Ghosh, S., Guchhait, N. (2009): Simplistic photophysical probing of environment changes in cyclodextrin nano-cavities and protein environments using polarity sensitive ICT probe MAPAME by steady state and time resolved spectroscopy. Proceeding of International Symposium on Frontiers of Functional Materials, University of Calcutta, India.

2008

[28] Paul, B. K., Chakraborty, A., Guchhait, N. (2008): Fluorescence study of donor-acceptor charge transfer molecule 3-amino-4-methyl benzoic acid: Study from condensed phase to jet cooled molecular beam. Proceeding of Trombay Symposium on Radiation and Photochemistry TSRP, Pune, India.

[27] Mahanta, S., Guchhait, N. (2008): Excited state proton transfer favours intramolecular charge transfer in para-N,N-dimethylamino ortho hydroxyl benzaldehyde: Spectroscopic and theoretical studies. Proceeding of Trombay Symposium on Radiation and Photochemistry TSRP, Pune, India.

[26] Singh, R. B., Guchhait, N. (2008): Solvent dependent excited state properties of 4-hydroxyacridine: Evidence of only water mediated proton transfer reaction in the excited state. Proceeding of Trombay Symposium on Radiation and Photochemistry TSRP, Pune, India.

[25] Samanta, A., Guchhait, N. (2008): Photophysical properties of trichlorsalicylic acid in the condensed phase, Proceeding of Trombay Symposium on Radiation and Photochemistry TSRP, Pune, India

2007

[24] Ghosh, S., Guchhait, N. (2007): Interaction of charge transfer probe Ethyl ester of N,N-dimethylamino naphthyl acrylic acid with Human Serum Albumin: Proceeding of Workshop on structure and dynamics of biomolecules, SNBNCBS, India.

[23] Guchhait, N. (2007): Photoinduced Donor Acceptor Charge Transfer Process: A Study from Condensed Phase to Jet Cooled Molecular Beam, Proceeding of CRSI 2nd Mid year symposium, IIT Guwahati, India.

[22] Guchhait, N. (2007): Spectroscopy of New Donor Acceptor Charge Transfer Molecules: A Study from Condensed Phase to Jet Cooled Molecular Beam, Proceeding of Indian Science Congress, Chidambaram, India

[21] Mahanta, S, Bagchi, A., Guchhait, N. (2007): Photophysical behaviour of methyl ester of N,N-Dimethylamino naphthyl acrylic acid in AOT reverse micellar environment Proceeding of TSRP, Madras, India.

[20]  Singh, R. B., Bagchi, A., Guchhait, N. (2007): Interaction of human serum albumin with extrinsic charge transfer probe- Ethyl ester of N,N-Dimethylamino naphthyl acrylic acid: a spectroscopic study. Proceeding of TSRP, Madras, India. 

2006

[19] Ghosh, S., Guchhait, N. (2006): Dual fluorescence from Ethyl ester of N,N-dimethylamino naphthyl acrylic acid and its novel application as a fluorosensor to metal ions, Proceeding of International Conference on Structure and Dynamics: From Micro to Macro, University of Calcutta, India.

[18] Singh, R. B., Mahanta S., Bagchi, A., Guchhait, N. (2006): Interaction of charge transfer probe Ethyl ester of N,N-dimethylamino naphthyl acrylic acid with Human Serum Albumin: Proceeding of International Conference on Structure and Dynamics: From Micro to Macro, University of Calcutta, India.

2005

[17] Chakraborty, A., Guchhait, N. (2005): Photoinduced charge transfer reaction in some new donor acceptor system. Proceeding of TSRP- 2006, BARC, Mumbai, India.

[16] Chakraborty, A., Guchhait, N. (2005): Photoinduced intramolecular charge transferprocess from monomethyl amino donor to cyano acceptor in 3-(4-monomethylamino-phenyl)-acrilonitrile. Proceeding of Discussion Meeting on Advances in Spectroscopy, IISc, Bangalore, page 47.

[15] Chakraborty, A., Guchhait, N. (2005): Excited state intramolecular charge transfer process from monomethyl amino donor to cyano acceptor in 3-(4-monomethylamino-phenyl)-acrilonitrile. Proceeding of National Symposium of CRSI, IACS, India, Page 110.

[14] Mahanta, S., Guchhait, N. (2005): Excited state properties of 2-Hydroxy-3- Naphaldehyde. Proceeding of National Symposium on Radiation and Photochemistry, Dharwad, India, Page 5.

[13] Singh, R. B., Guchhait, N. (2005): Photo-physical properties of 1-hydroxy-2- naphthaldehyde: A combined fluorescence spectroscopy and ab-initio calculation. Proceeding of National Symposium on Radiation and Photochemistry, Dharwad, India, Page 7. 

2004

[12] Guchhait, N., Nath, D. N., Chowdhury, M. (2004): Tetrahydroisoquinoline Water Clusters: Theoretical Calculations and IR-UV double Resonance Spectroscopy. Proceeding of TSRP, BARC, Mumbai, India, Page 163.

[11] Chakraborty, A, Guchhait, N. (2004): Photoinduced Intramolecular Charge Transfer Reaction in Methyl p-(dimethyl amino)cinnamate. Proceeding of TSRP, BARC, Mumbai, India, Page 23 

2002

[10] Bandyopadhyay, S., Guchhait, N., Chakroborty, A., Nath, D. N., Chowdhury, M. (2002): Study of low-frequency large-amplitude vibrations of julolidine in the S0 and S1 states by using supersonic jet spectroscopy. Proceeding of the Annual Meeting of Chemical Research Society of Indian, Pune, India.

[9] Guchhiat, N. (2002): Hydrogen bonded structure of tetrahydroisoquinoline-water clusters in the jetcooled molecular beam. Proceeding of Third Asian Photochemistry Symposium, BARC, India, Page 178.

2000

[8] Guchhiat, N. (2000): IR-UV and stimulated Raman-UV double resonance spectroscopy of fluorine-(H2O)n=1 and 2 clusters in jet, Proceeding of “Symposium on Recent Trends in Photochemical Sciences”, RRL (CSIR), Trivandrum, India.

[7] Guchhiat, N. (2000): Hydrogen bonded clusters of benzyl alcohol with water and ammonia. Proceeding of TSRP, BARC, Mumbai, India, Page 243. 

1999

[6] Guchhait, N., Ebata, T., Mikami, N. (1999): Structures of fluorene-(H2O)n hydrogen-bonded clusters investigated by IR-UV double resonance spectroscopy. Proceeding of Molecular Structure Annual Meeting, Japan. 

1998

[5] Guchhait, N., Ebata, T., Mikami, N. (1998): Structure of benzyl alcohol and its clusters investigated by IR-UV double resonance spectroscopy weak p-type hydrogen bond, Proceeding of Molecular Structure Annual Meeting, Japan.

[4] Guchhait, N., Ebata, T., Mikami, N. (1998): Discrimination of rotamers of aryl alcohol homologues by IR-UV double resonance spectroscopy. Proceeding of Japan Chemical Society Annual Meeting, Japan.

1995

[3] Chakraborty, A., Guchhait, N., Chowdhury, M. (1995): Fluorescence excitation study of N-methylindoline in supersonic jet. Proceeding of National Laser Symposium, I. R. D. E., Dehradun, India.

1994

[2] Guchhait, N., Nath, D. N., Chowdhury, M. (1994): Fluorescence excitation study of tetrahydroquinoline by supersonic jet technique. Proceeding of National Laser Symposium, C. A.T., India, Page 195-196.

[1] Guchhait, N., Chakraborty, T., Nath, D. N., Bera, P. K., Chowdhury, M. (1994): Fluorescence excitation study of indoline by supersonic jet technique. Proceeding of Radiation and Photochemistry Symposium, at BARC, Mumbai, India, Jan., Page 334-336