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Multifunctional Stimuli-Responsive Cellulose Nanocrystals via Dual Surface Modification with Genetically Engineered Elastin-Like Polypeptides and Poly(acrylic acid)

Title data

Malho, Jani-Markus ; Brand, Jérémie ; Pecastaings, Gilles ; Ruokolainen, Janne ; Gröschel, André H. ; Sèbe, Gilles ; Garanger, Elisabeth ; Lecommandoux, Sébastien:
Multifunctional Stimuli-Responsive Cellulose Nanocrystals via Dual Surface Modification with Genetically Engineered Elastin-Like Polypeptides and Poly(acrylic acid).
In: ACS Macro Letters. Vol. 7 (2018) Issue 6 . - pp. 646-650.
ISSN 2161-1653
DOI: https://doi.org/10.1021/acsmacrolett.8b00321

Abstract in another language

Cellulose nanocrystals (CNCs) are promising candidates for a myriad of applications; however, successful utilization of CNCs requires balanced and multifunctional properties, which require ever more applied concepts for supramolecular tailoring. We present here a facile and straightforward route to generate dual functional CNCs using poly(acrylic acid) (PAA) and biosynthetic elastin-like polypeptides (ELPs). We utilize thiol-maleimide chemistry and SI-ATRP to harvest the temperature responsiveness of ELPs and pH sensitivity of PAA to confer multifunctionality to CNCs. Cryo-TEM and light microscopy are used to exhibit reversible temperature response, while atomic force microscopy (AFM) provides detailed information on the particle morphology. The approach is tunable and allows variation of the modifying molecules, inspiring supramolecular engineering beyond the currently presented motifs. The surge of genetically engineered peptides adds further possibilities for future exploitation of the potential of cellulose nanomaterials.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Research Institutions > Central research institutes > Bayerisches Zentrum für Batterietechnik - BayBatt
Research Institutions
Research Institutions > Central research institutes
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Polymer Materials for Electrochemical Storage > Chair Polymer Materials for Electrochemical Storage - Univ.-Prof. Dr. André Gröschel
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 26 Jul 2023 12:36
Last Modified: 02 Aug 2023 07:53
URI: https://eref.uni-bayreuth.de/id/eprint/86350