Composites of bacterial cellulose and alginate produced in situ: The impact of viscosity and temperature on the microscale morphology

IF 10.7 1区 化学 Q1 CHEMISTRY, APPLIED Carbohydrate Polymers Pub Date : 2025-03-10 DOI:10.1016/j.carbpol.2025.123495
Tatyana I. Gromovykh , Irina A. Tarasova , Vadim V. Zefirov , Alexander A. Gulin , Ilya P. Ivanenko , Vyacheslav S. Molchanov , Elena P. Kharitonova , Olga I. Kiselyova
{"title":"Composites of bacterial cellulose and alginate produced in situ: The impact of viscosity and temperature on the microscale morphology","authors":"Tatyana I. Gromovykh ,&nbsp;Irina A. Tarasova ,&nbsp;Vadim V. Zefirov ,&nbsp;Alexander A. Gulin ,&nbsp;Ilya P. Ivanenko ,&nbsp;Vyacheslav S. Molchanov ,&nbsp;Elena P. Kharitonova ,&nbsp;Olga I. Kiselyova","doi":"10.1016/j.carbpol.2025.123495","DOIUrl":null,"url":null,"abstract":"<div><div>The scope of this work was to study the impact of viscosity and temperature on the microscale morphology of bacterial cellulose (BC) membranes grown on cultivation media containing sodium alginate (SA). The membranes were successfully produced by stationary cultivation of <em>Gluconacetobacter hansenii</em> at 25 °C and 28 °C in modified Hestrin-Schramm (HS) medium, containing various amounts of added SA. It was shown that cross-linking with Ca<sup>2+</sup> ions prior to washing was mandatory for alginate retention in the BC matrix. The loading of alginate in resulting composites depended on the SA content in the cultivation medium and reached the saturation value of ca. 40 % at 2 % concentration. The introduction of alginate in the BC membrane interfered with the liquid crystalline-like (LC-like) ordering of fibrils. The helical half-pitch was reduced from 65 μm for SA-free medium to 25–30 μm at the SA concentration of 2 %. For higher SA concentrations in the medium, the portions of membrane with LC-like ordering were strongly reduced, and more pores were formed.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"357 ","pages":"Article 123495"},"PeriodicalIF":10.7000,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Carbohydrate Polymers","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0144861725002760","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
引用次数: 0

Abstract

The scope of this work was to study the impact of viscosity and temperature on the microscale morphology of bacterial cellulose (BC) membranes grown on cultivation media containing sodium alginate (SA). The membranes were successfully produced by stationary cultivation of Gluconacetobacter hansenii at 25 °C and 28 °C in modified Hestrin-Schramm (HS) medium, containing various amounts of added SA. It was shown that cross-linking with Ca2+ ions prior to washing was mandatory for alginate retention in the BC matrix. The loading of alginate in resulting composites depended on the SA content in the cultivation medium and reached the saturation value of ca. 40 % at 2 % concentration. The introduction of alginate in the BC membrane interfered with the liquid crystalline-like (LC-like) ordering of fibrils. The helical half-pitch was reduced from 65 μm for SA-free medium to 25–30 μm at the SA concentration of 2 %. For higher SA concentrations in the medium, the portions of membrane with LC-like ordering were strongly reduced, and more pores were formed.

Abstract Image

查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
求助全文
约1分钟内获得全文 去求助
来源期刊
Carbohydrate Polymers
Carbohydrate Polymers 化学-高分子科学
CiteScore
22.40
自引率
8.00%
发文量
1286
审稿时长
47 days
期刊介绍: Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.
期刊最新文献
Expression of concern: "Synthesis and evaluation of chondroitin sulfate based hydrogels of loxoprofen with adjustable properties as controlled release carriers" [Carbohydrate Polymers volume 181, 1 February 2018, pages 1169-1179]. Composites of bacterial cellulose and alginate produced in situ: The impact of viscosity and temperature on the microscale morphology Preparation of temperature-dependent flux controllable cellulose nanofiber-based films and their application in oil-water separation Synthesis and biological evaluation of mirror isomers of β-(1 → 3)-glucans as immune modulators Mineralized cellulose nanofibers reinforced bioactive hydrogel remodels the osteogenic and angiogenic microenvironment for enhancing bone regeneration
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1