INSIGHT INTO SORPTION AND ANTIOXIDANT PROPERTIES OF ANTIBACTERIAL WOUND DRESSINGS COMPOSED OF VISCOSE FABRICS FUNCTIONALIZED WITH CHITOSAN AND CHITOSAN-BASED NANOPARTICLES

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Chemistry and Technology Pub Date : 2022-11-29 DOI:10.35812/cellulosechemtechnol.2022.56.89

Matea Korica, Zdenka Peršin Fratnik, L. FRAS ZEMLJIČ, M. Kostić

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Abstract

Wound dressings designed with simultaneously adequate antibacterial, sorption, and antioxidant properties enable proper wound healing. Since the antibacterial properties have already been proven in our previous studies, the sorption and antioxidant properties of raw and differently pretreated (TEMPO-oxidized and TEMPO-oxidized cellulose nanofibrils (TOCN) coated) viscose fabrics (CVs), functionalized with chitosan (CH) and chitosan-based nanoparticles with (NCH+Zn) and without incorporated zinc (NCH), were investigated. The sorption properties were evaluated by absorbency rate and capacity, contact angle, zeta potential, and moisture sorption, whereas the antioxidant properties were determined by the ABTS method. The morphological properties of CVs were investigated by SEM. By using pretreatments, the sorption and antioxidant properties of CVs were improved, while subsequent functionalization with CH, NCH and NCH+Zn decreased both properties. However, TOCN-coated CV functionalized with CH and TEMPO-oxidized CV functionalized with NCH still have sorption and antioxidant properties better than raw CV. The obtained results allow the design of antibacterial wound dressings with predefined sorption and antioxidant properties.

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壳聚糖和壳聚糖纳米粒子功能化粘胶织物抗菌敷料的吸附和抗氧化性能研究

伤口敷料同时具有足够的抗菌、吸附和抗氧化性能，能够实现适当的伤口愈合。由于抗菌性能已经在我们之前的研究中得到证实，我们研究了用壳聚糖（CH）和含有（NCH+Zn）和不含有锌（NCH）的壳聚糖基纳米颗粒功能化的未加工和不同预处理（TEMPO氧化和TEMPO氧化纤维素纳米纤维（TOCN）涂层）粘胶织物（CV）的吸附和抗氧化性能。吸附性能通过吸收速率和容量、接触角、ζ电位和水分吸附来评估，而抗氧化性能通过ABTS方法来确定。用扫描电镜研究了CV的形态性质。通过预处理，CV的吸附和抗氧化性能得到了改善，而随后用CH、NCH和NCH+Zn进行的功能化降低了这两种性能。然而，用CH功能化的TOCN涂层CV和用NCH功能化的TEMPO氧化CV仍然比原始CV具有更好的吸附和抗氧化性能。所获得的结果允许设计具有预定吸附和抗氧化特性的抗菌伤口敷料。

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来源期刊

Cellulose Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

2.30

自引率

23.10%

发文量

审稿时长

7.3 months

期刊介绍： Cellulose Chemistry and Technology covers the study and exploitation of the industrial applications of carbohydrate polymers in areas such as food, textiles, paper, wood, adhesives, pharmaceuticals, oil field applications and industrial chemistry. Topics include: • studies of structure and properties • biological and industrial development • analytical methods • chemical and microbiological modifications • interactions with other materials