All Stories

  1. Modulated photophysics and rotational-relaxation dynamics of coumarin 153 in nonionic micelles: the role of headgroup size and tail length of the surfactants

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  2. A critical approach toward resonance-assistance in the intramolecular hydrogen bond interaction of 3,5-diiodosalicylic acid: a spectroscopic and computational investigation

    Article • Photochemical & Photobiological Sciences, January 2015, Springer Science + Business Media

    Dr Bijan Kumar Paul

  3. Explicit spectral response of an intramolecular charge transfer molecule within microheterogeneous micellar environments

    Article • Journal of Molecular Liquids, November 2014, Elsevier

    Dr Bijan Kumar Paul

  4. 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

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, October 2014, Elsevier

    Dr Bijan Kumar Paul

  5. Prototropic Transformation and Rotational–Relaxation Dynamics of a Biological Photosensitizer Norharmane inside Nonionic Micellar Aggregates

    Article • The Journal of Physical Chemistry, September 2014, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  6. Probing the location of methanol in methanol/AOT/n-heptane system: true microemulsion or bi-continuous medium?

    Article • RSC Advances, August 2014, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  7. Interaction of cyclodextrins with human and bovine serum albumins: A combined spectroscopic and computational investigation

    Article • Journal of Chemical Sciences, July 2014, Springer Science + Business Media

    Professor Nitin Chattopadhyay, Dr Bijan Kumar Paul

  8. Binding Interaction of a Prospective Chemotherapeutic Antibacterial Drug with β-Lactoglobulin: Results and Challenges

    Article • Langmuir, May 2014, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  9. 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

    Article • Journal of Photochemistry and Photobiology B Biology, April 2014, Elsevier

    Dr Bijan Kumar Paul

  10. Interaction of a potential chloride channel blocker with a model transport protein: a spectroscopic and molecular docking investigation

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  11. 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

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Professor Nitin Chattopadhyay, Dr Bijan Kumar Paul

  12. Corrigendum to 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]

    Article • Journal of Luminescence, January 2014, Elsevier

    Dr Bijan Kumar Paul

  13. 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)

    Article • Journal of Luminescence, November 2013, Elsevier

    Dr Bijan Kumar Paul

  14. 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

    Article • Computational and Theoretical Chemistry, August 2013, Elsevier

    Dr Bijan Kumar Paul

  15. A quantum chemical computational insight into the intramolecular hydrogen bond interaction in an antibacterial drug molecule-2-acetylindan-1,3-dione

    Article • Computational and Theoretical Chemistry, May 2013, Elsevier

    Dr Bijan Kumar Paul

  16. Looking at the Green Fluorescent Protein (GFP) chromophore from a different perspective: A computational insight

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, February 2013, Elsevier

    Dr Bijan Kumar Paul

  17. 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 con...

    Article • Chemical Physics, February 2013, Elsevier

    Dr Bijan Kumar Paul

  18. Unraveling the binding interaction and kinetics of a prospective anti-HIV drug with a model transport protein: results and challenges

    Article • Physical Chemistry Chemical Physics, January 2013, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  19. Selective fluorescence sensing of Cu(ii) and Zn(ii) using a new Schiff base-derived model compound: naked eye detection and spectral deciphering of the mechanism of sensory action

    Article • The Analyst, January 2013, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  20. Response of an environment-sensitive intramolecular charge transfer probe towards solubilization of liposome membranes by a non-ionic detergent: Association and dissociation kinetics

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, October 2012, Elsevier

    Dr Bijan Kumar Paul

  21. Binding Interaction and Rotational-Relaxation Dynamics of a Cancer Cell Photosensitizer with Various Micellar Assemblies

    Article • The Journal of Physical Chemistry, August 2012, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  22. 1-Hydroxy-2-naphthaldehyde: A prospective excited-state intramolecular proton transfer (ESIPT) probe with multi-faceted applications

    Article • Journal of Luminescence, August 2012, Elsevier

    Dr Bijan Kumar Paul

  23. 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

    Article • Chemical Physics, July 2012, Elsevier

    Dr Bijan Kumar Paul

  24. Differential interactions of a biological photosensitizer with liposome membranes having varying surface charges

    Article • Photochemical & Photobiological Sciences, April 2012, Springer Science + Business Media

    Dr Bijan Kumar Paul

  25. Photophysics of DNA staining dye Propidium Iodide encapsulated in bio-mimetic micelle and genomic fish sperm DNA

    Article • Journal of Photochemistry and Photobiology B Biology, April 2012, Elsevier

    Dr Bijan Kumar Paul

  26. Effect of PVA on the gel temperature of MC and release kinetics of KT from MC based ophthalmic formulations

    Article • International Journal of Biological Macromolecules, April 2012, Elsevier

    Dr Bijan Kumar Paul

  27. Reinvestigation of photoinduced intramolecular charge transfer reaction in p-Dimethylaminobenzaldehyde by spectroscopic method and Density Functional Theory (DFT) calculation

    Article • Journal of Luminescence, February 2012, Elsevier

    Dr Bijan Kumar Paul

  28. Spectral deciphering of the interaction between an intramolecular hydrogen bonded ESIPT drug, 3,5-dichlorosalicylic acid, and a model transport protein

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  29. A spectroscopic investigation on the interaction of a magnetic ferrofluid with a model plasma protein: effect on the conformation and activity of the protein

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  30. 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

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Dr Bijan Kumar Paul

  31. A computational investigation on the intramolecular hydrogen bonding interaction and excited state intramolecular proton transfer process in 2-quinolin-2-yl-phenol

    Article • Computational and Theoretical Chemistry, December 2011, Elsevier

    Dr Bijan Kumar Paul

  32. Spectroscopic probing of location and dynamics of an environment-sensitive intramolecular charge transfer probe within liposome membranes

    Article • Journal of Colloid and Interface Science, November 2011, Elsevier

    Dr Bijan Kumar Paul

  33. 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

    Article • The Journal of Physical Chemistry, October 2011, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  34. Morphological transition of the host-structure influences solvent-relaxation: A wavelength-selective fluorescence exploration through environment-sensitive intramolecular charge transfer photophysics

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, October 2011, Elsevier

    Dr Bijan Kumar Paul

  35. Highly selective and sensitive fluorescence reporter for toxic Hg(II) ion by a synthetic symmetrical azine derivative

    Article • Sensors and Actuators B Chemical, October 2011, Elsevier

    Dr Bijan Kumar Paul

  36. 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)pyr...

    Article • Computational and Theoretical Chemistry, October 2011, Elsevier

    Dr Bijan Kumar Paul

  37. Modulation of Intramolecular Charge Transfer Emission Inside Micelles: A Fluorescence Probe for Studying Microenvironment of Micellar Assemblies

    Article • Journal of Fluorescence, September 2011, Springer Science + Business Media

    Dr Bijan Kumar Paul

  38. Modulation of Prototropic Activity and Rotational Relaxation Dynamics of a Cationic Biological Photosensitizer within the Motionally Constrained Bio-environment of a Protein

    Article • The Journal of Physical Chemistry, September 2011, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  39. 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

    Article • Journal of Luminescence, September 2011, Elsevier

    Dr Bijan Kumar Paul

  40. Spectroscopic probe analysis for exploring probe–protein interaction: A mapping of native, unfolding and refolding of protein bovine serum albumin by extrinsic fluorescence probe

    Article • Biophysical Chemistry, July 2011, Elsevier

    Dr Bijan Kumar Paul

  41. 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

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, June 2011, Elsevier

    Dr Bijan Kumar Paul

  42. 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

    Article • Computational and Theoretical Chemistry, June 2011, Elsevier

    Dr Bijan Kumar Paul

  43. Syntheses, characterization, X-ray crystal structures and emission properties of five oxovanadium(V) complexes with pyridyl/pyrimidyl–pyrazole derived ditopic ligands

    Article • Polyhedron, May 2011, Elsevier

    Professor Ray J Butcher, Dr Bijan Kumar Paul

  44. 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

    Article • Journal of Photochemistry and Photobiology A Chemistry, May 2011, Elsevier

    Dr Bijan Kumar Paul

  45. Studies of bio-mimetic medium of ionic and non-ionic micelles by a simple charge transfer fluorescence probe N,N-dimethylaminonapthyl-(acrylo)-nitrile

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, May 2011, Elsevier

    Dr Bijan Kumar Paul

  46. On the Photophysics of 3,5,6-Trichlorosalicylic Acid: Spectroscopic Study Combined with Hartree-Fock and Density Functional Theory Calculations

    Article • Journal of Fluorescence, January 2011, Springer Science + Business Media

    Dr Bijan Kumar Paul

  47. 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

    Article • Photochemical & Photobiological Sciences, January 2011, Springer Science + Business Media

    Dr Bijan Kumar Paul

  48. 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

    Article • Journal of Colloid and Interface Science, January 2011, Elsevier

    Dr Bijan Kumar Paul

  49. 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

    Article • Journal of Photochemistry and Photobiology B Biology, December 2010, Elsevier

    Dr Bijan Kumar Paul

  50. Inequivalence of substitution pairs in hydroxynaphthaldehyde: A theoretical measurement by intramolecular hydrogen bond strength, aromaticity, and excited-state intramolecular proton transfer reaction

    Article • Journal of Computational Chemistry, November 2010, Wiley

    Dr Bijan Kumar Paul

  51. Modulated Photophysics of an ESIPT Probe 1-Hydroxy-2-naphthaldehyde within Motionally Restricted Environments of Liposome Membranes Having Varying Surface Charges

    Article • The Journal of Physical Chemistry, October 2010, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  52. Influence of chlorine substitution on intramolecular hydrogen bond energy and ESIPT barrier: Experimental and theoretical measurements on the photophysics of 3,5-dichlorosalicylic acid

    Article • Journal of Molecular Structure, August 2010, Elsevier

    Dr Bijan Kumar Paul

  53. Lactim–lactam tautomerism is favoured over enol–keto tautomerism in 2-hydroxy-5-(4-fluorophenyl)nicotinic acid: Experimental and quantum chemical approach

    Article • Journal of Photochemistry and Photobiology A Chemistry, August 2010, Elsevier

    Dr Bijan Kumar Paul

  54. 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

    Article • Photochemistry and Photobiology, July 2010, Wiley

    Dr Bijan Kumar Paul

  55. Excited State Lactim to Lactam Type Tautomerization Reaction in 5-(4-Fluorophenyl)-2-Hydroxypyridine: Spectroscopic Study and Quantum Chemical Calculation

    Article • Journal of Fluorescence, July 2010, Springer Science + Business Media

    Dr Bijan Kumar Paul

  56. 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

    Article • Journal of Luminescence, July 2010, Elsevier

    Dr Bijan Kumar Paul

  57. 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

    Article • The Journal of Physical Chemistry A, May 2010, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  58. Exploring Hydrophobic Subdomain IIA of the Protein Bovine Serum Albumin in the Native, Intermediate, Unfolded, and Refolded States by a Small Fluorescence Molecular Reporter

    Article • The Journal of Physical Chemistry, May 2010, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  59. Evidence of acid mediated enhancement of photoinduced charge transfer reaction in 2-methoxy-4-(N,N-dimethylamino)benzaldehyde: Spectroscopic and quantum chemical study

    Article • Journal of Photochemistry and Photobiology A Chemistry, May 2010, Elsevier

    Dr Bijan Kumar Paul

  60. Modulation of Excited-State Intramolecular Proton Transfer Reaction of 1-Hydroxy-2-naphthaldehyde in Different Supramolecular Assemblies

    Article • Langmuir, March 2010, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  61. A DFT-Based Theoretical Study on the Photophysics of 4-Hydroxyacridine: Single-Water-Mediated Excited State Proton Transfer

    Article • The Journal of Physical Chemistry A, February 2010, American Chemical Society (ACS)

    Dr Bijan Kumar Paul

  62. Deciphering the photophysics of 5-chlorosalicylic acid: evidence for excited-state intramolecular proton transfer

    Article • Photochemical & Photobiological Sciences, January 2010, Springer Science + Business Media

    Dr Bijan Kumar Paul

  63. Modulation of fluorescence emission of 1-(2-pyridyl) pyrazole derived Schiff base ligands by exploiting their metal ion sensitive binding modes

    Article • Polyhedron, November 2009, Elsevier

    Dr Bijan Kumar Paul