Preparation of viscose fiber modified with silkworm pupa chitosan oligosaccharide by β -glucosaccharase
Source abstract
Abstract
Viscose fibers (VFs) modified with silkworm pupa chitosan oligosaccharide (SPCOS) by β-glucosaccharase were prepared in this study. Silkworm pupa underwent the processes of deproteinization, demineralization, decoloration and depolymerization. SPCOS with a DD of 91.64 ± 0.86% and M w of (2.56 ± 0.15) × 10 4 g/mol was prepared. The prepared SPCOS was used for the modification of VFs. β-glucosaccharase was used as the enzyme for this modification. The results showed that VFs were successfully modified with SPCOS by β-glucosaccharase. The synthesized VFs modified with SPCOS (VF-SPCOS) were dyed more steadily by anionic dyes than cationic dyes. Furthermore, VF-SPCOS showed a good antibacterial property against E. coli and S. aureus, especially to E. coli. In the reuse study of SPCOS, the antibacterial property to E. coli of VF-SPCOS was still retained at 87.68 ± 1.18% of its initial value after the 12th reuse of SPCOS.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Nanocomposite Films for Food Packaging · Dyeing and Modifying Textile Fibers · Electrospun Nanofibers in Biomedical Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, PR China
Chongqing Fire Safety Technology Research Services LLC, PR China
Funding
Fundamental Research Funds for the Central Universities · Open foundation of Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization · State Key Laboratory of Materials-Oriented Chemical Engineering · National Natural Science Foundation of China
References (50)
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