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利用统计设计策略由腰果胶多糖和聚乙烯醇制备可生物降解且环保的薄膜

Use of Statistical Design Strategies to Produce Biodegradable and Eco-Friendly Films from Cashew Gum Polysaccharide and Polyvinyl Alcohol.

作者信息

Cruz Maurício V, Pereira-Júnior Marcos A, Batista Karla A, Fernandes Kátia F

机构信息

Departamento de Áreas Acadêmicas, Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Campus Uruaçu, 76400-000 Uruaçu-GO, Brazil.

Laboratório de Química de Polímeros, Departamento de Bioquímica e Biologia Molecular, Instituto de Ciências Biológicas 2, Campus Samambaia, Universidade Federal de Goiás, 74690-900 Goiânia-GO, Brazil.

出版信息

Materials (Basel). 2019 Apr 9;12(7):1149. doi: 10.3390/ma12071149.

DOI:10.3390/ma12071149
PMID:30970591
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6479310/
Abstract

This work reports the production and characterization of biodegradable and eco-friendly films based on cashew gum polysaccharide (CGP) and polyvinyl alcohol (PVA), using the statistical design strategy. Results show that CGP/PVA films are pH stimuli-responsive, allowing their use in a magnitude of biotechnological applications. The morphological and dimensional characterization evidences a positive influence of polymers in the dimensional properties. In addition, the microstructural analysis shows that films have different morphologies depending on the content of polymers and oxidant agent. On the other hand, the thickness and light transmission values are positively influenced by CGP and PVA and negatively influenced by NaIO₄. Results from mechanical properties show that the traction force is positively influenced by NaIO₄, while the elongation is only affected by the PVA concentration. In summary, considering the morphological, optical and mechanical properties of the CGP/PVA films it is possible to suggest their utilization in different fields as promising packaging materials or matrices for immobilization and/or encapsulation of biomolecules.

摘要

本研究报告了基于腰果胶多糖（CGP）和聚乙烯醇（PVA），采用统计设计策略制备的可生物降解且环保型薄膜及其特性。结果表明，CGP/PVA薄膜对pH值具有刺激响应性，可用于多种生物技术应用。形态和尺寸表征证明了聚合物对尺寸性能有积极影响。此外，微观结构分析表明，薄膜的形态因聚合物和氧化剂的含量而异。另一方面，薄膜的厚度和透光率值受CGP和PVA的正向影响，而受NaIO₄的负向影响。力学性能结果表明，拉伸力受NaIO₄的正向影响，而伸长率仅受PVA浓度的影响。总之，考虑到CGP/PVA薄膜的形态、光学和力学性能，有可能建议将其用于不同领域，作为有前景的包装材料或用于生物分子固定化和/或包封的基质。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faba/6479310/3cf8921a4aaa/materials-12-01149-g008.jpg
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