Dr. Biswajit Saha

Dr. Biswajit Saha
  • Dr. Biswajit Saha
  • Ramanujan Fellow
  • +918100168119

Dr. Biswajit Saha obtained his bachelor’s and master’s degrees in Chemistry from the University of North Bengal. He earned his PhD in Chemistry from the Indian Institute of Science Education and Research Kolkata (IISER Kolkata) under the supervision of Prof. Priyadarsi De. He subsequently carried out postdoctoral research at Florida State University and Texas A&M University. In December 2025, Dr. Saha joined the Materials Science & Technology Division at CSIR-NIIST as a Ramanujan Fellow. Dr. Saha’s research interests focus on the design of sustainable polymers, instant and tough adhesives, novel stimuli-responsive systems, and stereoretentive metathesis polymerization. He is a recipient of the prestigious Ramanujan Fellowship, a Gold Medal for academic excellence in his master’s degree, and the INSPIRE-SHE scholarship. Dr. Saha also serves as a reviewer for several international peer-reviewed journals, including Macromolecules, ACS Applied Polymer Materials, Chemical Communications, New Journal of Chemistry, and so forth.

Scholar Link: https://scholar.google.com/citations?user=Nr46ni0AAAAJ&hl=en
ORCID: https://orcid.org/0000-0001-5576-7346
LinkedIn: https://www.linkedin.com/in/biswajit-saha-105828b5/
Twitter: https://x.com/biswa_Polymchem

Professional Experience
  •  December 2025 - Present: Ramanujan Fellow, CSIR-NIIST, Thiruvananthapuram
  • July 2024 - November 2025: Postdoctoral Research Associate, Texas A&M University,
  • USA January 2021 - June 2024: Postdoctoral Research Associate, FAMU-FSU College of Engineering, FSU, USA
  • March 2020 - December 2020: Project Assistant, IISER Kolkata
    Academic Qualification
    • PhD in Chemistry
      IISER Kolkata
      Dissertation Title: "Nonconventional Macromolecular Luminogens: Rational Design, Photophysical Properties,and Applications"
    • M.Sc. in Chemistry
      University of North Bengal
    • B.Sc. in Chemistry
      University of North Bengal
    Research Interest

    Current Research Areas:

    1. Polymer Degradation and Recycling
    2. Instant and Tough Polymeric Adhesives
    3. New Stimuli-Responsive Systems
    4. Stereoretentive Metathesis Polymerization
    Publications

    Total Citations as of January 2026 – 903; H-index – 15
    Source: Google Scholar ORCID Scopus ID
    † equal contributions, *co-corresponding author

    1. Biswajit Saha, Srutashini Das, Quentin Michaudel
      From Carbonyl to Sulfonyl: Unlocking Advanced Polymers with SuFEx-Enabled “Macroisosteres”
      Progress in Polymer Science 2026, In Press.
    2. Pampa Chowdhury,† Biswajit Saha,† Kamal Bauri, Brent S. Sumerlin, Priyadarsi De.
      Upper Critical Solution Temperature (UCST) Behavior of Pyroglutamate-Functionalized Non-Ionic Homopolymers: Cosolvency in Water/Alcohol Binary Solutions
      Polymer Chemistry 2026, Advanced Article.
    3. Srutashini Das,† Katarzyna Doktor,† Biswajit Saha, Felipe Cesar Sousa e Silva, Rachel Wynn, Quentin Michaudel.
      Polysulfamate as “Macroisostere” of Polyurethane with Improved Degradability
      Angew. Chem. Int. Ed. 2025, 64, e202510841
    4. Biswajit Saha, Jacob Boykin, Hoyong Chung.
      Unveiling the Architectural Impact on the Salt-Tunable Adhesion Performance and Toughness of Polyzwitterions
      J. Am. Chem. Soc. 2024, 146, 23467-23475.
    5. Pampa Chowdhury, Biswajit Saha, Kamal Bauri, Brent S. Sumerlin, Priyadarsi De.
      Hydrogen Bonding-Driven Self-Coacervation of Nonionic Homopolymers for Stimuli-Triggered Therapeutic Release
      J. Am. Chem. Soc. 2024, 146, 21664-21676.
    6. Biswajit Saha,† Jae Hun Lee,† Inchan Kwon, Hoyong Chung.
      Site-Specific Conjugation of Bottlebrush Polymer to Therapeutic Protein via Bioorthogonal Chemistry
      Biomacromolecules 2024, 25, 3200-3211.
    7. Jooyong Shin, Biswajit Saha, Hoyong Chung, Yeongseon Jang.
      Architecting Multicompartmentalized, Giant Vesicles with Recombinant Fusion Proteins
      Biomacromolecules 2024, 25, 6127-6134.
    8. Arnab Banerjee, Anwesha Ghosh, Biswajit Saha,* Punyashloke Bhadury, Priyadarsi De.
      Surface Charge-Switchable Antifouling Alternating Block Copolymer with Bacteriostatic Properties
      Langmuir 2024, 40, 5314-5325.
    9. Arnab Banerjee, Arya K, Maria Davis, Biswajit Saha, Priyadarsi De.
      Coassembly of Charged Copolymer Amphiphiles Featuring pH-Regulated Antifouling Properties
      Langmuir 2024, 40, 25568-25579
    10. Biswajit Saha, Hoyong Chung.
      Uncharged Sulfoxide-Containing Homopolymers with Programmable Thermoresponsive Behaviour
      Macromolecules 2023, 56, 6385-6395.
      Featured as Front Cover
    11. Arnab Banerjee, Pampa Chowdhury, Kamal Bauri, Biswajit Saha,* Priyadarsi De.
      Inhibition and Eradication of Bacterial Biofilm using Polymeric Materials
      Biomaterials Science 2023, 11, 11-36.
    12. Sundol Kim,† Biswajit Saha,† Jacob Boykin,† Hoyong Chung.
      Gallol Containing Adhesive Polymers
      J. Macromol. Sci. A 2022, 59, 625-645.
    13. Pampa Chowdhury, Arnab Banerjee, Biswajit Saha, Kamal Bauri, Priyadarsi De.
      Stimuli-Responsive Aggregation-Induced Emission (AIE)-Active Polymers for Biomedical Applications
      ACS Biomater. Sci. Eng. 2022, 8, 4207-4229.
    14. Biswajit Saha,† Yulia D. Gordievskaya,† Priyadarsi De, Elena Y. Kramarenko.
      Unusual Nanostructured Morphologies Enabled by Interpolyelectrolyte Complexation of Polyions Bearing Incompatible Nonionic Segments
      Macromolecules 2020, 53, 10754-10764.
    15. Kamal Bauri,† Biswajit Saha,† Arnab Banerjee, Priyadarsi De.
      Recent Advances in the Development and Applications of Nonconventional Luminescent Polymers
      Polymer Chemistry 2020, 11, 7293-7315.
    16. Neha Choudhury, Biswajit Saha, Priyadarsi De.
      Recent Progress in Polymer-Based Optical Chemosensors for Cu2+ and Hg2+ Ions: A Comprehensive Review
      European Polymer Journal 2021, 145, 110233.
    17. Biswajit Saha, Bhuban Ruidas, Sourav Mete, Chitrangada Das Mukhopadhyay, Kamal Bauri, Priyadarsi De.
      AIE-Active Non-Conjugated Poly(N-vinylcaprolactam) as Fluorescent Thermometer for Intracellular Temperature Imaging
      Chemical Science 2020, 11, 141-147.
      Most popular 2019-2020 analytical chemistry articles
    18. Neha Choudhury, Bhuban Ruidas, Biswajit Saha, Kambalapalli Srikanth, Chitrangada Das Mukhopadhyay, Priyadarsi De.
      Multifunctional Tryptophan-Based Fluorescent Polymeric Probes for Sensing, Bioimaging, and Removal of Cu2+ and Hg2+ Ions
      Polymer Chemistry 2020, 11, 2015-2026.
    19. Krishna Gopal Goswami, Biswajit Saha, Priyadarsi De.
      Alternating Copolymers with Glycyl-Glycine and Alanyl-Alanine Side-Chain Pendants: Synthesis, Characterization and Solution Properties
      J. Macromol. Sci. A 2020, 57, 675-683.
    20. Kajal Kumbhakar, Biswajit Saha, Priyadarsi De, Ranjit Biswas.
      Cloud Point Driven Dynamics in Aqueous Solution of Thermoresponsive Copolymers: Are They Akin to Criticality Driven Solution Dynamics
      J. Phys. Chem. B 2019, 123, 11042-11054.
    21. Biswajit Saha, Sudipta Bhattacharyya, Sourav Mete, Arindam Mukherjee, Priyadarsi De.
      Redox-Driven Disassembly of Polymer-Chlorambucil Polyprodrug: Delivery of Anticancer Nitrogen Mustard and DNA Alkylation
      ACS Applied Polymer Materials 2019, 1, 2503-2515.
    22. Biswajit Saha, Neha Choudhury, Abhi Bhadran, Kamal Bauri, Priyadarsi De.
      Amino Acid-Derived Alternating Polyampholyte Luminogens
      Polymer Chemistry 2019, 10, 3306-3317.
    23. Ejaj Tarif, Biswajit Saha, Kallol Mukherjee, Priyadarsi De, Ranjit Biswas.
      Exploring Aqueous Solution Dynamics of Amphiphilic Diblock Copolymer: Dielectric Relaxation and Time-resolved Fluorescence Measurements
      J. Phys. Chem. B 2019, 123, 5892-5901.
      Featured as Front Cover
    24. Neha Choudhury, Biswajit Saha, Bhuban Ruidas, Priyadarsi De.
      Dual-Action Polymeric Probe: Turn-On Sensing and Removal of Hg2+; Chemosensor for HSO4-
      ACS Applied Polymer Materials 2019, 1, 461-471.
    25. Biswajit Saha, Neha Choudhury, Soma Seal, Bhuban Ruidas, Priyadarsi De.
      Aromatic Nitrogen Mustard-Based Autofluorescent Amphiphilic Brush Copolymer as pH-Responsive Drug Delivery Vehicle
      Biomacromolecules 2019, 20, 546-557.
    26. Krishna Gopal Goswami,† Biswajit Saha,† Sourav Mete, Priyadarsi De.
      Alternating Placement of D- and L-Alanine Moieties in the Polymer Side-Chains
      Macro. Chem. Phys. 2018, 219, 1800398.
    27. Kamal Bauri,† Biswajit Saha,† Jnansankar Mohanti, Priyadarsi De.
      A Nonconjugated Macromolecular Luminogen for Speedy, Selective, and Sensitive Detection of Picric Acid in Water
      Polymer Chemistry 2017, 8, 7180-7187.
    28. Biswajit Saha,† Kamal Bauri,† Arijit Bag, Pradip Kumar Ghorai, Priyadarsi De.
      Conventional Fluorophore-Free Dual pH- and Thermo-Responsive Luminescent Alternating Copolymer Polymer Chemistry 2016, 7, 6895-6900.
      Advisory Board’s top picks from Polymer Chemistry
    29. Ujjal Haldar, Biswajit Saha, Venkanna Azmeera, Priyadarsi De.
      POSS End-Linked Peptide Functionalized Poly(ε-Caprolactone)s and Their Inclusion Complexes with α-Cyclodextrin
      J. Polym. Sci., Part A: Polym. Chem. 2016, 54, 3643-3651.
    30. Biswajit Saha, Ujjal Haldar, Priyadarsi De.
      Polymer-Chlorambucil Drug Conjugates: A Dynamic Platform of Anticancer Drug Delivery
      Macromolecular Rapid Communications 2016, 37, 1015-1020.
    Projects

    Ongoing Project

    • Poly(diaminodisulfide)s as Fully Recyclable Plastics: Toward a Circular Economy and Sustainable Applications
    • Principal Investigator, Duration: 5 years (Under Ramanujan Fellowship Scheme
    • Anusandhan National Research Foundation, Govt. of India
      Achievements & Awards

      Awards and Honors

      1. Ramanujan Fellowship, ANRF, Govt. of India (2025)
      2. Certificate of Honor for Research Contribution, IISER Kolkata (2022)
      3. Spotlight Article, FAMU-FSU College of Engineering, Florida State University (2021)
      4. Best Oral Presentation Award, Department of Chemical Science Day, IISER Kolkata (2019)
      5. Best Poster Award, Smart Materials: Methods and Application Conference, IISER Kolkata (2017)
      6. International Travel Grant for 12 th Ionic Polymerization Symposium in England, IISER Kolkata (2017)
      7. Gold Medal in M.Sc. Chemistry, University of North Bengal, India (2014)
      8. National Eligibility Test (NET), CSIR, India (2014)
      9. Graduate Aptitude Test in Engineering (GATE), MHRD, Govt. of India (2014) 
      10. Innovation in Science Pursuit for Inspired Research (INSPIRE-SHE) Scholarship, DST, Govt. of India (2012)