Pedro Augusto Invernizzi Sponchiado, Maryanne Trafani Melo, Juçara G. Cominal, Milena Martelli Tosi, Pietro Ciancaglini, Ana Paula Ramos and Bianca Chieregato Maniglia*,
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引用次数: 0
Abstract
The exceptional biocompatibility of polymeric membranes drives their use in biomaterials, but structural modifications are needed to improve their mechanical properties. This study investigated dry heating treatment (DHT) as an ecofriendly and cost-effective approach to modifying potato starch for biomembrane fabrication. DHT-treated starch (2 h) produced biomembranes with a denser structure, smoother surfaces, and significantly improved mechanical properties, including higher tensile strength (∼6×), rigidity (∼15×), and relative crystallinity (∼2×) while reducing flexibility (∼5×), compared to native starch membranes. These membranes also exhibited lower moisture content, reduced hydrophilicity, higher surface energy, decreased biodegradability, and enhanced bioactivity, as shown by hydroxyapatite formation in simulated body fluid. Importantly, they were nontoxic to osteoblasts, emphasizing their potential for medical applications. This study highlights DHT as a sustainable and innovative method for modifying starch to develop advanced biomaterials for medical applications.
期刊介绍:
Biomacromolecules is a leading forum for the dissemination of cutting-edge research at the interface of polymer science and biology. Submissions to Biomacromolecules should contain strong elements of innovation in terms of macromolecular design, synthesis and characterization, or in the application of polymer materials to biology and medicine.
Topics covered by Biomacromolecules include, but are not exclusively limited to: sustainable polymers, polymers based on natural and renewable resources, degradable polymers, polymer conjugates, polymeric drugs, polymers in biocatalysis, biomacromolecular assembly, biomimetic polymers, polymer-biomineral hybrids, biomimetic-polymer processing, polymer recycling, bioactive polymer surfaces, original polymer design for biomedical applications such as immunotherapy, drug delivery, gene delivery, antimicrobial applications, diagnostic imaging and biosensing, polymers in tissue engineering and regenerative medicine, polymeric scaffolds and hydrogels for cell culture and delivery.