Bio-based hyperbranched polymers
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Selected publications
T. Ghosh and N. Karak, Bio-based multifunctional macroglycol containing smart thermoplastic hyperbranched polyurethane elastomer with intrinsic self-healing attribute, ACS Sustainable Chemistry & Engineering 6 (3) (2018) 4370-4381
D. Hazarika, N. Karak, Waterborne Sustainable Tough Hyperbranched Aliphatic Polyester Thermosets, ACS Sustainable Chem. Eng.(2015, accepted)
S. Gogoi and N. Karak, Bio-based biodegradable waterborne hyperbranched polyurethane as an eco-friendly sustainable material, ACS Sustainable Chem. Eng. 2 (2014) 2730−2738
H. Kalita and N. Karak, Mesua ferrea L. seed oil based hyperbranched shape memory polyurethanes: Effect of multifunctional component, Polym. Eng. Sci. 52(2012) 2454–2461
D. Hazarika, N. Karak, Waterborne Sustainable Tough Hyperbranched Aliphatic Polyester Thermosets, ACS Sustainable Chem. Eng.(2015, accepted)
S. Gogoi and N. Karak, Bio-based biodegradable waterborne hyperbranched polyurethane as an eco-friendly sustainable material, ACS Sustainable Chem. Eng. 2 (2014) 2730−2738
H. Kalita and N. Karak, Mesua ferrea L. seed oil based hyperbranched shape memory polyurethanes: Effect of multifunctional component, Polym. Eng. Sci. 52(2012) 2454–2461
Functional nanomaterials
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Selected publications
S. Pramanik, N. Barua, A. K. Buragohain, J. Hazarika, A. Kumar and N. Karak, Bio-functionalized MWCNT: A reactive component for the in-situ polymerization of hyperbranched poly(ester amide) and delving into its bio-physico interfacial properties, J Phy. Chem. C 117 (2013)25097−25107
B. De and N. Karak, Green and Facile Approach for Water Soluble Fluorescent Carbon Dots from Banana Juice, RSC Adv. 3(2013)8286-8290
S. Thakur and N. Karak, Green reduction of graphene oxide by aqueous phytoextracts, Carbon 50(2012)5331–5339
B. De and N. Karak, Green and Facile Approach for Water Soluble Fluorescent Carbon Dots from Banana Juice, RSC Adv. 3(2013)8286-8290
S. Thakur and N. Karak, Green reduction of graphene oxide by aqueous phytoextracts, Carbon 50(2012)5331–5339
Multifaceted advanced polymer nanocomposites
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Selected publications
S. Pramanik, R. Konwarh, N. Barua, A. K. Buragohain and N Karak, Bio-based hyperbranched poly(ester amide)/MWCNT nanocomposites: multimodalities at biointerface, Biomater. Sci. 2(2014)192-202
B. De, B. Voit and N. Karak, Transparent luminescent hyperbranched epoxy / carbon oxide dot nanocomposites with outstanding toughness and ductility, ACS Appl. Mater. Interfaces 5(2013)10027–10034
B. De, B. Voit and N. Karak, Transparent luminescent hyperbranched epoxy / carbon oxide dot nanocomposites with outstanding toughness and ductility, ACS Appl. Mater. Interfaces 5(2013)10027–10034
Polymeric biomaterials
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Selected publications
B. Das, P. Chattapadhya A. Upadhyay, K. Gupta, M. Mandal, and N. Karak, Biophysico-chemical interfacial attributes of Fe3O4 decorated MWCNT nanohybrid/ bio-based hyperbranched polyurethane nanocomposite: An antibacterial wound healing material with controlled drug release potential, New J. Chem. 38(2014)4300-4311
S. Barua, P. Chattopadhyay, N. Karak, s-Triazine-based biocompatible hyperbranched epoxy adhesive with antibacterial attributes for sutureless surgical sealing, J. Mater. Chem. B 3 (2015), 5877-5885
B. Das, M. Mandal, A. Upadhyay, P. Chattopadhya and N. Karak, Bio-based hyperbranched polyurethane/Fe3O4 nanocomposites: smart antibacterial biomaterials for biomedical device and implant, Biomed. Mater. 8(2013)035003(12pp)
S. Barua, P. Chattopadhyay, N. Karak, s-Triazine-based biocompatible hyperbranched epoxy adhesive with antibacterial attributes for sutureless surgical sealing, J. Mater. Chem. B 3 (2015), 5877-5885
B. Das, M. Mandal, A. Upadhyay, P. Chattopadhya and N. Karak, Bio-based hyperbranched polyurethane/Fe3O4 nanocomposites: smart antibacterial biomaterials for biomedical device and implant, Biomed. Mater. 8(2013)035003(12pp)
Shape memory polymeric materials
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Selected publications
S. Thakur and N. Karak, Multi-stimuli responsive smart elastomeric hyperbranched polyurethane/ reduced graphene oxide nanocomposites, J. Mater. Chem. A 2(2014) 14867-14875
H. Kalita and N. Karak, Bio-based hyperbranched polyurethane/multi-walled carbon nanotube nanocomposites as shape memory materials, Polym. Compos. 35(2014) 636–643
S. Thakur and N. Karak, Bio-based tough hyperbranched polyurethane-graphene oxide nanocomposites as advanced shape memory materials, RSC Adv. 3(2013)9476-9482
H. Kalita and N. Karak, Bio-based hyperbranched polyurethane/multi-walled carbon nanotube nanocomposites as shape memory materials, Polym. Compos. 35(2014) 636–643
S. Thakur and N. Karak, Bio-based tough hyperbranched polyurethane-graphene oxide nanocomposites as advanced shape memory materials, RSC Adv. 3(2013)9476-9482
Self-healing and self-cleaning polymeric materials
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Selected publications
S. Thakur, N. Karak, Tuning of sunlight-induced self-cleaning and self-healing attributes of an elastomeric nanocomposite by judicious compositional variation of the TiO2–reduced graphene oxide nanohybrid, J. Mater. Chem. A 3 (2015), 12334-12342
S. Thakur and N. Karak, A tough smart elastomeric bio-based hyperbranched polyurethane nanocomposite, New J. Chem. 39 (2015) 2146 - 2154
S. Thakur and N. Karak, A tough smart elastomeric bio-based hyperbranched polyurethane nanocomposite, New J. Chem. 39 (2015) 2146 - 2154
