Bio-based hyperbranched polymer nanocomposites; Synthesis of carbon-based, organic, inorganic and hybrid nanomaterial using eco-friendly aproaches. Polymers for sensing applications and photocatalytic applications for environmental remediation, smartapplications (self-healing polymers, self-cleaning, etc.), super-hydrophobic coating, Polymers for smart biomedical applications (potential stent and suture). Polymer processing (melt-extrusion, compress molding) for biodegradable packaging applications; Bioplastics; Colorimetric sensing; Smart flexible sensors for health and Environmental applications

• Project Title: Functionalized Graphene-based Polymer Composites for Antimicrobial Drug Delivery for Enhanced Wound Healing PI : Dr Rituparna Duarah

• Postdoctoral Reseacher at Trinity College Dublin, (2020-2023), Ireland.
• Oxford University Online Certification course on Intellectual Property, Research Integrity as a part of ‘Epegium Research Integrity Training’ completed (August 2020), Oxford University Press, University of Oxford, UK.
• Research Associate at Materials Sciences and Technology Division, CSIR NEIST, (November 2019-February 2020).

• A one-pot facile process for the synthesis of silica functionalized Au nanoparticles and selective visual detection of As (III) in water therewith, Indian Patent: Application No. 202211044093, dated 01. 08. 2022. Inventors: Das, M. R., Gogoi, A., Duarah, R., Boruah, P. K., Neog, D., Basak, S., Dutta, H. S. and Goswamee, R. L.
• Fluorescent Labelling of Polymers, UK Patent Application No. 2211716.2, dated 10.08.2022. Inventors: Ramesh Padamati and Rituparna Duarah.

• Sharma, N., Baruah, D.J., Duarah, R.*, Yadav, A., Bora, D., Saikia, R., Jarugala, J. and Das, M.R.*, 2025. Smart- Sandwich: A Thin Flexible Sensing Device Based on an Agarose–Chitosan-Agarose (ACA) Triple-Layer Biofilm for Onsite Monitoring of Escherichia coli. ACS sensors, 10(5), pp.3504-3514.
• Gupta, D.D., Dhakal, R., Dutta, P., Duarah, R*. and Kalita, J.*, 2026. Upcycling of spent Samia ricini (Donovan) pupal exoskeleton: Extraction, characterization and bioactivity assessment of insect chitosan for potential fruit preservation application. International Journal of Biological Macromolecules, p.150725.
• Duarah, R., Torné‐Morató, H., Zhang, G., Amin, Y., Pabast, M., Sharma, N., He, S., Das, M.R. and Pompa, P.P., 2026. Next‐Generation Wearable Optical Sensors for Personalized Health and Point of‐Care Diagnostics—A Systematic Review. Advanced Healthcare Materials, p.e04419.
• Duarah, R. and Karak, N., 2019. Hyperbranched polyurethane/reduced carbon dot-zinc oxide nanocomposite- mediated solar-assisted photocatalytic degradation of organic contaminant: An approach towards environmental remediation. Chemical Engineering Journal, 370, pp.716-728.
• Duarah, R., Singh, Y.P., Gupta, P., Mandal, B.B. and Karak, N., 2016. High performance bio-based hyperbranched polyurethane/carbon dot-silver nanocomposite: a rapid self-expandable stent. Biofabrication, 8(4), p.045013.
• Duarah, R, and Karak, N. Facile and ultrafast green approach to synthesize biobased luminescent reduced carbon nanodot: an efficient photocatalyst. ACS Sustainable Chemistry & Engineering 5.10 (2017): 9454-9466.

• Best Oral Presenter Award: Chamomile oil functionalized graphene oxide-loadedchitosan/polyvinyl alcohol biocomposites for wound healing and skin rejuvenation International Conference on INNOVATION AND ADVANCES IN CHEMICAL SCIENCES (IACS - 2025), 2025
• Nominated for Researcher of the year 2021 for BiOrbic Education and Public Engagement (EPE) Award BiOrbic Bioeconomy Research Centre, Science Foundation Ireland (SFI), 2021, Dublin, Ireland. 2021
• BiOrbic, Bioeconomy Postdoctoral Fellowship, Science Foundation Ireland,Ireland. 2020
• Article ‘Biomed. Mater. 13 045004’ published as Newletter ‘A self-tightening suture’ in PhysicsWorld, UK. PhysicsWorld, Institute of Physics, IOP Publishing Ltd., UK. 2018
• Best Presenter Award for Sustainable-resource-based tough hyperbranched polyurethane nanocomposites with different carbon-based metal nanohybrids: Perspective as multifunctionalsmart materials Fourth International Symposium on Advances in Sustainable Polymers (ASP 2017), IIT Guwahati, India, 2018
• Best Poster Award for Characterization of starch modified hyperbranched carbon based polyurethane nanocomposites as smart materials, 1st International Conference on Sophisticated Instruments in Modern Research, IIT Guwahati, India, 2017

• R. Duarah and R. Padamati, Bioplastics for a circular economy: challenges and opportunities, Bioeconomy Research Symposium: Ireland, 2022 (BRSI 2022), University College Dublin, Dublin, Ireland. 6th - 7th December 2022.
• Attending the K – The World´s No.1 Trade Fair for Plastics and Rubber, Düsseldort, Germany.
• R. Duarah, I. Aleksic, J. Nikodinovic and R. Padamati, Bio-based, biodegradable nystatin based-polylactic acid/polycaprolactone composites: prospective antifungal packaging material for a sustainable environment, BiOrbic,Bioeconomy SFI Research Centre Research Day 2022, University College Dublin, Dublin, Ireland.
• R. Duarah and N. Karak, Bio-based hyperbranched epoxy modified hyperbranched polyurethane thermoset, 27th Materials Research Society of India (MRSI) Symposium on Advanced Materials for Sustainable Applications, CSIR-NEIST, Jorhat, 18-21 February, 2016.
• R. Duarah and N. Karak, Prospective rapid self-expandable stent from carbon dot-silver modified high performing hyperbranched nanocomposites, 20th CRSI National Symposium, Gauhati University, Guwahati, 3-5 February, 2017.
• R. Duarah and N. Karak, Characterization of starch modified hyperbranched carbon based polyurethane nanocomposites as smart materials, 1st International Conference on Sophisticated Instruments in Modern Research, IIT Guwahati, Guwahati, India, 30 June-1 July, 2017.
• R. Duarah and N. Karak, Sustainable resource based tough hyperbranched polyurethane/carbon dot-Ag nanocomposite: a prospective rapid self-expandable stent, International Conference on Advances in Polymer Science & Technology, New Delhi, India, 23-25 November, 2017.
• R. Duarah and N. Karak, Sustainable-resource-based tough hyperbranched polyurethane nanocomposites with different carbon based metal nanohybrids: Perspective as multifunctional smart materials, Fourth International Symposium on Advances in Sustainable Polymers (ASP 2017), IIT Guwahati, Assam, 8-11 January, 2018.
• R. Duarah and N. Karak, Starch modified hyperbranched polyurethane nanocomposites with diverse carbon-based nanomaterials: as prospective multifaceted smart materials, OrganiX-2018: An International Conference in Chemistry, Tezpur University, Assam, 20-21 December, 2018.