Dr. Sarathi Kundu

RESEARCH INTERESTS

  1. Organic thin films and membranes
  2. Nanoclusters, Nanoparticles and nanopattern formation
  3. Polymer and polyelectrolytes with/without nanoparticles
  4. Lipid/surfactant-DNA/protein interactions and lipid-drug interactions
  5. Protein-protein interactions
  6. Ion and protein sensing
  7. Properties at confined geometry
  8. X-ray and neutron scattering

Research works are going on in the Soft-Nano Laboratory of IASST and by using the different national and international experimental facilities.

CAREER:

ACADEMIC
  1. 1999: M. Sc. (Physics) from Visva-Bharati University (West Bengal)
  2. 2000: Post M. Sc. Associate (Physics) from Saha Institute of Nuclear Physics (SINP), Kolkata
  3. 2006: Ph. D. (Physics) from Jadavpur University, Kolkata (Research works done at SINP)
EMPLOYMENTS
  1. Post Doctoral Fellow in University of Paris Sud 11, Orsay, France (November, 2006 to November, 2007).
  2. Short-term Visiting Scientist in Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Japan (December 2008 to February, 2009).
  3. Visiting Faculty Fellow, Department of Materials Science, S. N. Bose National Centre for Basic Sciences, Kolkata, India (January, 2008  to December, 2010).
  4. Research Associate III, Indian Association for the Cultivation of Science, Kolkata (November, 2010 to August, 2011).
  5. Assistant Professor-II, Institute of Advanced Study in Science and Technology, Guwahati (September, 2011 to December, 2015).
  6. Associate Professor-I, Institute of Advanced Study in Science and Technology, Guwahati (January, 2016 to December, 2019).
  7. Associate Professor-II, Institute of Advanced Study in Science and Technology, Guwahati (January, 2020 onwards).
AWARDS AND RECOGNITION
  1. Junior Research Fellowship and Senior Research Fellowship by Department of Atomic Energy, India, in the year 1999 and 2000 respectively.
  2. Qualified National Eligibility Test (NET) of Council for Scientific and Industrial Research (CSIR), India, in the year 2001.
  3. Marie Curie Post Doctoral Fellowship, 2006-07.
  4. Short-term Visiting Scientist in Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Japan (December 2008).
  5. Reviewer of the journals: Applied Surface Science, Journal of Colloid and Interface Science, Materials Research Bulletin, RSC Advance, Colloid and Polymer Science, Langmuir, Soft Matter, Chemical Physics Letters, New Journal of Chemistry, Colloids and Surfaces B, Colloids and Surfaces A, Electrochimica Acta, Chemistry Select, Bulletin of Materials Science, Molecular Liquids, etc.
  6. Awarded projects from UGC-DAE CSR, DAE-BRNS and DST Nanomission, Govt of India.
  7. Chaired a technical session in the International Conference on Polymer Processing and Characterization (ICPPC – 2016), held at Mahatma Gandhi University, Kottayam, Kerala during December 9-11, 2016.
  8. Acted as Subject Expert for interview to upgrade BSR fellowships of five PhD scholars of Physics Department, GU.
  9. Scientific proposal selected for doing X-ray scattering experiments in SOLEIL Synchrotron, France (February 8-10, 2017) and total funding (including two research scholars) was supported by Indo-French Centre/CEFIPRA.
  10. Performing neutron scattering experiments at BARC, Mumbai in collaboration.
  11. Delivered nine Invited talks in India and abroad  including Global Conference on Polymer and Composite Materials (PCM 2018) held in Kitakyushu, Japan during April 10-13, 2018 and Travel support was awarded by DST, Govt. of. India.
PUBLICATIONS

Total no. of publications: 85

 In journals (Total: 62; Total IF: 157.518):

  1.  Förster Resonance Energy Transfer-Mediated Globular Protein Sensing Using Polyelectrolyte Complex Nanoparticles, H. Talukdar and S. Kundu, ACS Omega 4, 20212 (2019).
  2. Behaviour of protein (BSA)-lipid (DMPA) mixed monolayer on the spreading order of the individual component, Bijay K. Sah, Kaushik Das, Sarathi Kundu, Chemistry and Physics of Lipids, 225, 104810 (2019).
  3. pH-dependent structure, pattern and hysteresis behaviour of lipid (DMPA)-protein (BSA) monolayer complex, Bijay K. Sah, Kaushik Das, Sarathi Kundu, Colloids and Surfaces A, 579, 123663 (2019).
  4. Optical responses of BSA protein under re-entrant condensation in presence of trivalent ions, Subhankar Pandit, Sarathi Kundu, Journal of Molecular Liquids 276, 954 (2019).
  5. Preparation, characterization and electrical behaviours of PEDOT:PSS‑Au/Ag nanocomposite thin films: an ecofriendly approach, A. C. Bhowal, H. Talukdar, S. Kundu, Polymer Bulletin, 76, 5233, (2019).
  6. Percolation dependent conducting behavior of poly (3,4-ethylenedioxythiophene): Poly (styrenesulfonate) in the presence of cationic polyelectrolyte, H. Talukdar, A. C. Bhowal, S. Kundu, Physica E: Low-dimensional Systems and Nanostructures 107, 30 (2019).
  7. Fluorescence emission and interaction mechanism of protein-coated gold and copper nanoclusters as ion sensors in different ionic environments, A. C. Bhowal, S. Pandit, S. Kundu, J. Phys. D: Appl. Phys. 52, 015302 (2019).
  8. Structures and interactions among lysozyme proteins below the isoelectric point in presence of divalent ions, S. Pandita, S. Kundu, S Abbas, V.K. Aswal, J. Kohlbrecher, Chemical Physics Letters 711, 8–14 (2018).
  9. Restructuring of polyelectrolyte thin films in the presence of nonsolvent, Hrishikesh Talukdar, Sarathi Kundu, Chemical Physics 504, 57–65 (2018).
  10. Functionalization of β-lactam antibiotic on lysozyme capped gold nanoclusters retrogress MRSA and its persisters following awakening, S. Kalita, R. Kandimalla, Ashim Chandra Bhowal, Jibon Kotoky, Sarathi Kundu, Scientific Reports, 8, 5778 (2018).
  11. Structures and interactions among globular proteins above the isoelectric point in the presence of divalent ions: A small angle neutron scattering and dynamic light scattering study, Sarathi Kundu, Subhankar Pandit, Sohrab Abbas, V.K. Aswal, J. Kohlbrecher, Chemical Physics Letters 693, 176–182 (2018).
  12. A comparative study on intrinsic fluorescence of BSA and lysozyme proteins in presence of different divalent ions from their solution and thin film conformations, A. C. Bhowal, S. Kundu, Luminescence 33, 267–276 (2018).
  13. Glycogen–gold nanohybrid escalates the potency of silymarin, R. Kandimalla, S. Dash, A. C. Bhowal, S. Kalita, N. C. Talukdar, S. Kundu, J. Kotoky, International Journal of Nanomedicine, 12, 7025–7038 (2017).
  14. Modification of hysteresis behaviors of protein monolayer and the corresponding structures with the variation of protein surface charges, Bijay K. Sah, Sarathi Kundu, Colloids and Surfaces B: Biointerfaces 159, 696–704 (2017).
  15. Thin films of protein (BSA, lysozyme) – Polyelectrolyte (PSS) complexes show larger red-shift in optical emissions irrespective of protein conformation, Hrishikesh Talukdar, Sarathi Kundu, Journal of Molecular Structure 1143, 84-90 (2017).
  16. Cation-induced monolayer collapse at lower surface pressure follows specific headgroup percolation, K. Das, B. K. Sah, S. Kundu, Phys. Rev. E 95, 022804 (2017).
  17. Effect of ethanol on structures and interactions among globular proteins, S. Kundu, V.K. Aswal, J. Kohlbrecher, Chem. Phys. Lett. 657, 90-94 (2017).
  18. Time dependent gold nanoclusters and nanocrystals formation on BSA at solid-water and air-solid interfaces, A. C. Bhowal, S. Kundu, Journal of Molecular Liquids 224, 89-94 (2016).
  19. Larger red-shift in optical emissions obtained from the thin films of globular proteins (BSA, lysozyme) – polyelectrolyte (PAA) complexes, H. Talukdar, S. Kundu, S. Basu, Appl. Surf. Sci. 382, 121-127 (2016).
  20. Growth of gold nanoclusters and nanocrystals induced by lysozyme protein in thin film conformation, A. C. Bhowal, S. Kundu, Chem. Phys. 475, 77-82 (2016).
  21. Synergistic effect of temperature, protein and salt concentration on structures and interactions among lysozyme proteins, S. Kundu, V.K. Aswal, J. Kohlbrecher, Chem. Phys. Lett. 657, 90-94 (2016).
  22. Subphase pH Induced Monolayer to Multilayer Collapse of Fatty Acid Salt Langmuir Monolayer at Lower Surface Pressure, Kaushik Das and Sarathi Kundu, Colloids and Surfaces A: Physicochem. Eng. Aspects 492, 54–61 (2016).
  23. Modified interactions among globular proteins below isoelectric pointin the presence of mono-, di- and tri-valent ions: A small angleneutron scattering study, Kaushik Das, Sarathi Kundu, Sumit Mehan, V.K. Aswal, Chem. Phys. Lett. 645, 127–132 (2016).
  24. Fluorescence behavior of globular proteins from their bulk and thinfilm conformations in presence of mono-, di- and tri-valent ions, Ashim Chandra Bhowal, Kaushik Das, Sarathi Kundu, Colloids and Surfaces B: Biointerfaces 133, 263–269 (2015).
  25. Structure and interaction among protein and nanoparticle mixturein solution: Effect of temperature, Sarathi Kundu, Kaushik Das, S. Mehan, V.K. Aswal, Joachim Kohlbrecher, Chem. Phy. Lett. 641, 68–73 (2015).
  26. Studies on Interactions among Lysozyme Proteins in Solution: Effects of Concentration, pD, Temperature and Monovalent ions, S. Kundu, S. Mehan, V. K. Aswal, P. Callow, Chem. Phys. Lett. 622, 23-27 (2015).
  27. Variation in surface plasmonic response due to the reorganization of Au nanoparticles in Langmuir-Blodgett film, K. Das and S. Kundu, J. Appl. Phys. 116, 024316 (2014).
  28. Molecular Packing of Metal-Organic Langmuir-Blodgett Films on Differently Passivated Si (001) Surfaces, J. K. Bal and Sarathi Kundu, J. Nanosci. Nanotechnol. 15, 5280-5284 (2015).
  29. Modification of interactions among proteins with the lowering of solution pD toward the isoelectric point in presence of different valent ions, K. Das, S. Kundu, S. Mehan, V. K. Aswal, Chem. Phys. Lett. 610-611, 405-410 (2014).
  30. Adsorption and conformation variation of BSA protein with the sizevariation of the metallic nanoparticles in LB film, Kaushik Das, Sarathi Kundu, Colloids and Surfaces A: Physicochem. Eng. Aspects 468, 56–61 (2015).
  31. Mono-, di- and tri-valent ion induced protein gelation: Small-angle neutron scattering study, Sarathi Kundu, Akshay J. Chinchalikar, Kaushik Das, V.K. Aswal, Joachim Kohlbrecher, Chem. Phys. Lett. 593, 140 (2014).
  32. Prolonged reorganization of thiol-capped Au nanoparticles layered structures, Sarathi Kundu, Kaushik Das, Oleg Konovalov, AIP ADVANCES 3, 092130 (2013).
  33. Fe+3 ion induced protein gelation: Small-angle neutron scattering study, Sarathi Kundu, Akshay J. Chinchalikar, Kaushik Das, V.K. Aswal, Joachim Kohlbrecher, Chem. Phys. Lett. 584, 172 (2013).
  34. Modification of attractive and repulsive interactions among proteins in solution due to the presence of mono-, di- and tri-valent ions, Sarathi Kundu, Kaushik Das, V.K. Aswal, Chem. Phys. Lett. 578, 115 (2013).
  35. Surface correlation behaviors of metal-organic Langmuir-Blodgett films on differently passivated Si(001) surfaces, J. K. Bal, Sarathi Kundu, J. Appl. Phys. 113, 114905 (2013).
  36. Interparticle coupling of Plasmon fields due to reorganization of Au nanopartiles in Langmuir-Blodgett films, Sarathi Kundu, J. Appl. Phys. 112, 114323 (2012).
  37. Role of metal ions in growth and stability of Langmuir-Blodgett films on homogeneous and heterogeneous surfaces, J. K. Bal, Sarathi Kundu, S. Hazra, European Physical Journal E 35, 79 (2012).
  38. Hydrophilic-like wettability of Cl-passivated Ge(001) surface, J. K. Bal, Sarathi Kundu, S. Hazra, Chem. Phys. 406, 72 (2012).
  39. Role of metal ions of Langmuir-Blodgett film in hydrophobic to hydrophilic transition of HF-treated Si surface, J. K. Bal, S. Kundu, S. Hazra, Mat. Chem. Phys. 134, 549 (2012).
  40. Zwitterionic lipid (DPPC)-protein (BSA) complexes at the air-water interface, Sarathi Kundu, H. Matsuoka and H. Seto, Coll. Surf. B: Biointerfaces 93, 215 (2012).
  41. Reorganisation of Au nanoparticle Langmuir-Blodgett films on wet chemically passivated Si (001) surfaces, Sarathi Kundu, J. K. Bal, Journal of Applied Physics 110, 114302 (2011).
  42. Layer-by-layer assembly of thiol-capped Au nanoparticles on water surface and their deposition on hydrophobic Si (001) surface, Sarathi Kundu, Langmuir 27, 3930 (2011).
  43. Langmuir monolayer with growing nanocrystals, Sarathi Kundu, Anindya Das, Chem. Phys. Lett. 508, 80 (2011).
  44. Effect of water and air-water interface on the structural modification of Ni-Arachidate Langmuir-Blodgett films, Sarathi Kundu, A. K. Raychaudhuri, Journal of Colloid and Interface Science 353, 316 (2011).
  45. Iron sulphide formation in the ferric stearate Langmuir-Blodgett films, S. Kundu, A. K. M. Maidul Islam, M. Mukherjee, App. Surf. Sci. 257, 2000 (2011). 
  46. Hydrophobic to Hydrophilic transition of H-terminated Si surface during the deposition of LB films, J. K. Bal, S. Kundu and S. Hazra, Chem. Phys. Lett. 500, 90 (2010).
  47. Polyeletrolytes-surfactant complexes on solid surface, Sarathi Kundu, Journal of Colloid and Interface Science 344, 547 (2010).
  48. Lipid-polyelectrolyte complexes at the air-water interface for different lipid packing, Sarathi Kundu, Colloids and Surfaces A: Physicochem. Eng. Aspects 368, 31 (2010).
  49. Growth and stability of Langmuir-Blodgett films on OH-, H- or Br-terminated Si(001), J. K. Bal, S. Kundu, S. Hazra, Phys. Rev. B 81, 045404 (2010).
  50. Collapse of preformed cobalt stearate film on water surface, Sarathi Kundu, Colloids and Surfaces A: Physicochem. Eng. Aspects 348, 196 (2009).
  51. Interaction of Oxicam NSAIDs with Lipid Monolayer: Anomalous Dependence on Drug Concentration, S. Kundu, H. Chakraborty, M. Sarkar and A. Datta, Colloids and Surfaces B: Biointerfaces 70, 157 (2009).
  52. Neutron reflectivity study of the complexation of DNA with lipids and surfactants at the surface of water, S. Kundu, D. Langevin and L.-T. Lee, Langmuir 24, 12347 (2008).
  53. Relaxation of Bi-molecular layer Film on Water Surface, S. Kundu, A. Datta, S. Hazra, Langmuir 24, 9386 (2008).
  54. Fatty acid monolayer dissociation and collapse: Effect of pH and cations, S. Kundu and D. Langevin, Colloids and Surfaces A: Physicochem. Eng. Aspects 325, 81 (2008).
  55. Langmuir-Blodgett film from a Bi-molecular Layer at Air-Water Interface, S. Kundu, Colloids and Surfaces A: Physicochem. Eng. Aspects, 317, 618 (2008).
  56. Fatty-acid monolayers and metal ions: First step towards a new look, Sarathi Kundu and Alokmay Datta, Colloids and Surfaces A: Physicochem. Eng. Aspects 289, 250 (2006).
  57. Growth of Bi-molecular Films of Three-tailed Amphiphiles, S. Kundu, A. Datta, M. K. Sanyal, J. Daillant, D. Luzet, C. Blot, B. Struth, Phys. Rev. E 73, 061602 (2006).
  58. Growth of a collapsing Langmuir monolayer, S. Kundu, A. Datta, S. Hazra, Rev. E 73, 051608 (2006).
  59. Buckling, bi-molecular layers and anisotropic arrays – stages in Langmuir monolayer collapse, Sarathi Kundu, Alokmay Datta, Journal of Surface Science and Technology 21, 1 (2005).
  60. Effect of metal ions on monolayer collapses, S. Kundu, A. Datta, S. Hazra, Langmuir 21, 5894 (2005).
  61. Manipulating Headgroups in Langmuir-Blodgett Films through Subphase pH Variation, S. Kundu, A. Datta, S. Hazra, Chem. Phys. Lett. 405, 282 (2005).
  62. Dramatic enhancement of capillary wave fluctuation of a decorated water surface, A. Datta, S. Kundu, M. K. Sanyal, J. Daillant, D. Luzet, C. Blot and B. Struth, Phys. Rev. E 71, 041604 (2005) (Selected in ESRF highlights 2005).

Other publications (Total: 24):

  1. Surface pH induced hysteresis behaviour of lipid (DMPA)-protein (BSA) complex monolayer, Bijay Kumar Sah, and Sarathi Kundu, AIP Conference Proceedings 2115, 030285 (2019).
  2. Optical activity of polyelectrolyte (PSS) – Protein (lysozyme) complexes, Subhankar Pandit, and Sarathi Kundu, AIP Conference Proceedings 2115, 030037 (2019).
  3. Lysozyme induced luminescence gold nanoclusters as Hg2+ sensor, Ashim Chandra Bhowal, Subhankar Pandit, and Sarathi Kundu, AIP Conference Proceedings 2115, 030094 (2019).
  4. Monolayer behavior of human serum albumin (HSA) at air-water interface, Raktim Jyoti Sarmah, Bijay Kumar Sah, and Sarathi Kundu, AIP Conference Proceedings 2115, 030043 (2019).
  5. Electrical investigation on thin films of poly(3,4-ethylenedioxythiophene): poly (styrenesulfonate) in presence of cationic polyelectrolyte, Hrishikesh Talukdar, Suman Sarkar and Sarathi Kundu, AIP Conference Proceedings 2115, 030286 (2019).
  6. Structure, Morphology and Electrical Behaviors of Polymer (Polystyrene)-Metal (Copper) Composite Thin Films, Suman Sarkar and Sarathi Kundu, AIP Conference Proceedings 2100, 020100 (2019).
  7. Studies on surface morphology and electrical conductivity of PEDOT:PSS thin films in presence of gold nanoparticles, Ashim Chandra Bhowal and Sarathi Kundu, AIP Conference Proceedings 1942, 080025 (2018).
  8. Thin film of polyelectrolyte complex nanoparticles for protein sensing, Hrishikesh Talukdar and Sarathi Kundu, AIP Conference Proceedings 1942, 080030 (2018).
  9. Optical and structural behaviors of crosslinked polyvinyl alcohol thin films, Subhankar Pandit and Sarathi Kundu, AIP Conference Proceedings 1942, 080029 (2018).
  10. Polymer Thin Film as Coating Layer to Prevent Corrosion of Metal/Metal Oxide Film, Suman Sarkar and Sarathi Kundu, AIP Conference Proceedings 1942, 080070 (2018).
  11. Ion specific 2D to 3D structural modification of Langmuir monolayer at lower surface Pressure, Kaushik Das and Sarathi Kundu, AIP Conference Proceedings 1832, 080009 (2017).
  12. Growth of gold nanocrystals on BSA thin films, Ashim Chandra Bhowal and Sarathi Kundu, AIP Conference Proceedings 1832, 080010 (2017).
  13. Structural and optical behavior of thin films of protein (BSA)-Polyelectrolyte (PAA,PSS) complexes, Hrishikesh Talukdar and Sarathi Kundu, AIP Conference Proceedings 1832, 080011 (2017).
  14. Modification of structure and pattern of lipid monolayer on water and solid surfaces in presence of globular protein, Bijay Kumar Sah and Sarathi Kundu, AIP Conference Proceedings 1832, 080012 (2017).
  15. Collapse of Langmuir monolayer at lower surface pressure: Effect of hydrophobic chain length, Kaushik Das and Sarathi Kundu, AIP Conference Proceedings 1731, 080008 (2016).
  16. Effect of divalent ions on the optical emission behavior of protein thin films, Ashim Chandra Bhowal and Sarathi Kundu, AIP Conference Proceedings 1728, 020661 (2016).
  17. Structural and morphological modifications of polymer thin film in the presence of Nonsolvent, Hrishikesh Talukdar and Sarathi Kundu, AIP Conference Proceedings 1731, 080031 (2016).
  18. Dramatic Reduction of Surface Tension of Water, A. Datta, S. Kundu, M. K. Sanyal, J. Daillant, D. Luzet, C. Blot and B. Struth, ESRF highlights, 2005.
  19. Liquid interfaces at short length-scales: fluctuations and effective surface energy, J. Daillant, Serge Mora, K. Mecke, Jérémy Pignat, Françoise Perrot, Sophie Cantin, Alokmay Datta, Sarathi Kundu, and Milan Sanyal, 6th liquid matter conference of the European Physical Society, Utrecht (NL), 2005.
  20. A Bi-molecular Film on Water, Sarathi Kundu, Alokmay Datta, Milan Kumar Sanyal, Jean Daillant, Daniel Luzet and Christian Blot, Proceedings of the DAE Solid State Physics Symposium, Volume 50, 473 (2005).
  21. Modification of headgroups in Langmuir-Blodgett films via Subphase pH variation, Sarathi Kundu and Alokmay Datta, Proceedings of the DAE Solid State Physics Symposium, Volume 49, 446 (2004).
  22. Deposition of Preformed Ferric Stearate Langmuir Monolayers by an Inverted Langmuir-Schaefer Technique, Sarathi Kundu and Alokmay Datta, Proceedings of the DAE Solid State Physics Symposium, Volume 46, 397 (2003).
  23. Effect of pH on fatty acid Langmuir Monolayers and Langmuir-Blodgett film deposition, Sarathi Kundu and Alokmay Datta, Proceedings of DAE Solid State Physics Symposium, 45, 297 (2002).
  24. Reversible and Irreversible Transitions in a Langmuir Monolayers, Sarathi Kundu and Alokmay Datta, Proceedings of DAE Solid State Physics Symposium, 44, 241 (2001). 

Book Chapter:

  1. One book chapter on ‘Organic thin films: Langmuir monolayers and multilayers’ in the book entitled ‘Recent Advances in Thin Film Research’ .

PROJECTS:

Projects completed as Principal Investigator:

  1. UGC-DAE CSR, Govt of India
  2. DAE-BRNS, Govt of India.
  3. DST Nanomission, Govt of India
GROUP
  1. Ph.D. degree Awarded: Dr. Kaushik Das (G.U. 2018), Mr. Ashim Chandra Bhowal (G.U. 2019), Mr. Hrishikesh Talukdar(G.U. 2019).
  2. Ph.D. Students (ongoing): Mr. Bijay Kumar Sah, Mr. Subhankar Pandit, Mr. Suman Sarkar, Mr. Raktim Sarmah, Mr. Sanu Sarkar, Mr. Sanjib Sau and Mr. Suresh Kumar (part time).

Project Students: Ten (completed)

 

NET qualified/DST-INSPIRE Fellowship holders may apply for doing their Ph. D works. Post graduate/graduate students may contact for summer internship/dissertation. However, their selection depends upon the institute selection policy and the required vacancy.