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Composites

Highly Biodegradable and Tough Polylactic Acid–Cellulose Nanocrystal Composite

Muiruri, Joseph K.; Liu, Songlin; Teo, Wern Sze; Kong, Junhua; He, Chaobin

(Natural) polymersCompositesCustomer publicationsOrientation analysisPolymer researchSAXS

Highly Biodegradable and Tough Polylactic Acid–Cellulose Nanocrystal Composite

Muiruri, Joseph K.; Liu, Songlin; Teo, Wern Sze; Kong, Junhua; He, Chaobin

Poly(l-lactide) cellulose nanocrystals-filled nanocomposites were fabricated by blending of cellulose nanocrystals-g-rubber-g-poly(d-lactide) (CNC-rD-PDLA) and commercial PLLA, in which CNC-g-rubber was synthesized by ring opening polymerization (ROP) of d-lactide and a ε-caprolactone mixture to obtain CNC-P(CL-DLA), followed by further polymerization of d-lactide to obtain CNC-rD-PDLA. X-ray…
Smart release of antimicrobial ZnO nanoplates from a pH-responsive keratin hydrogel

Villanueva, María E.; Cuestas, María L.; Pérez, Claudio J.; Campo Dall′ Orto, Viviana; Copello, Guillermo J.

(Hydro)gelsCharacteristic dimensionCompositesCustomer publicationsNanoparticles & colloidsSAXSShape

Smart release of antimicrobial ZnO nanoplates from a pH-responsive keratin hydrogel

Villanueva, María E.; Cuestas, María L.; Pérez, Claudio J.; Campo Dall′ Orto, Viviana; Copello, Guillermo J.

A smart antibacterial biomaterial based on a keratin hydrogel with pH-dependent behavior and Zinc Oxide nanoplates as biocide agent has been developed. The pH of a chronic wound is basic due to bacterial metabolism. Originally shrank at acid pH, keratin hydrogels swell upon contact with a bacterial contaminated media leading…