Carbohydrate Polymers最新文献_第10页

Galactan side chains dominate thermal aggregation of RGI-Rich pectin during drying resulting poor solubility 在干燥过程中，半乳聚糖侧链主导富含rgi的果胶的热聚集，导致溶解度差

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-19 DOI: 10.1016/j.carbpol.2025.124416

Qi Wang , Jiayun Xu , Huan Cheng , Shiguo Chen , Xingqian Ye , Jianle Chen

{"title":"Galactan side chains dominate thermal aggregation of RGI-Rich pectin during drying resulting poor solubility","authors":"Qi Wang , Jiayun Xu , Huan Cheng , Shiguo Chen , Xingqian Ye , Jianle Chen","doi":"10.1016/j.carbpol.2025.124416","DOIUrl":"10.1016/j.carbpol.2025.124416","url":null,"abstract":"<div><div>Rhamnogalacturonan I (RG-I) pectin, abundant in fruit and vegetable waste, exhibits great potential for applications in the food and cosmetics industries. However, RGI-rich pectin tends to aggregate during heat-drying, leading to poor solubility, which severely restricts its utilization. This study delves into the role of RGI side chain structures in aggregation. Different RGI-rich pectins were extracted from citrus and potato and modified enzymatically. The results showed that the solubility of the hydrolyzed pectins (arabinose or galactose side chain shortened to about 50 % of their original length, respectively) was significantly improved, even more than doubled for citrus RGI-rich pectin. Galactose side chain removal showed a more pronounced effect. Meanwhile, the soluble and insoluble fractions were separated, and their structural characteristics were determined. The results showed that the insoluble fraction was found to have a higher length of arabinose and galactose side chains, with greater branching, which contributed to tighter molecular conformations. Additionally, the introduction of urea to disrupt inter-molecular hydrogen bonding significantly enhanced solubility, emphasizing that hydrogen bonds mediate entanglement of RG-I side chains. These findings provide new insights into the thermal aggregation mechanism of RGI-rich pectin, paving the way for strategies to boost its solubility and industrial application performance.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124416"},"PeriodicalIF":12.5,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145155795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing microplastics capture in high-flux aquatic environments via the fabrication of a ZnCo-bimetallic-augmented calcium alginate carbon aerogels 通过制备锌钴双金属增强海藻酸钙碳气凝胶，增强高通量水生环境中微塑料的捕获

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-19 DOI: 10.1016/j.carbpol.2025.124434

Yingying Li , Sijia Zhang , Mengna Wang , Shuanghe Liu , Yiren Wang , Yuhan Chen , Jiahui Li , Shuang Xu , Xiaohong Hou

{"title":"Enhancing microplastics capture in high-flux aquatic environments via the fabrication of a ZnCo-bimetallic-augmented calcium alginate carbon aerogels","authors":"Yingying Li , Sijia Zhang , Mengna Wang , Shuanghe Liu , Yiren Wang , Yuhan Chen , Jiahui Li , Shuang Xu , Xiaohong Hou","doi":"10.1016/j.carbpol.2025.124434","DOIUrl":"10.1016/j.carbpol.2025.124434","url":null,"abstract":"<div><div>Stable framework-structured materials are effective adsorbents for mitigating microplastics (MPs) pollution in the water ecosystem. Calcium alginate (Alg), a plentiful marine biomass with functional groups and high stability, shows great potential as a framework precursor. Herein, we fabricated ZnCo-bimetallic-augmented calcium alginate carbon aerogels (ZnCo/Alg@CAs) with a monolithic structure via in situ synthesis of ZnCo-ZIF on Alg matrix combined with thermal treatment. The in situ synthesis strategy effectively suppressed metal ion aggregation and enhanced the structural stability of MOF-derived carbon materials. Remarkably, ZnCo/Alg@CAs exhibited a high water flux (4431 L/(h·m<sup>2</sup>)), rapid adsorption kinetics (100 min), and high removal capacities (1673–1989 mg/g) for various MPs, outperforming reported adsorbents. Moreover, ZnCo/Alg@CAs showed anti-interference to interfering ions, acid/alkali, and humic acid. Compared to powdered materials, the monolithic structure of ZnCo/Alg@CAs enabled direct integration into closed-loop systems coupled with peristaltic pumps, achieving dynamic removal of MPs during water purification processes. Based on the analytical results from FTIR, XPS, and Density Functional Theory calculations, the primary adsorption mechanism in this system involves a synergistic effect between hydrogen bonding, p-π stacking interaction, and physical retention. This research is anticipated to pave new avenues for the sustainable treatment of MPs from large volumes of water in the aqueous environments.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124434"},"PeriodicalIF":12.5,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reinforced swallowing and anti-digestive performance of lotus root starch-whey isolate protein gel via weakening effect of xanthan gum 通过削弱黄原胶的作用增强藕粉分离乳清蛋白凝胶的吞咽和抗消化性能

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-18 DOI: 10.1016/j.carbpol.2025.124427

Hui Yang , Linyan Yang , Yue Li , Song Zhu , Dejian Huang

{"title":"Reinforced swallowing and anti-digestive performance of lotus root starch-whey isolate protein gel via weakening effect of xanthan gum","authors":"Hui Yang , Linyan Yang , Yue Li , Song Zhu , Dejian Huang","doi":"10.1016/j.carbpol.2025.124427","DOIUrl":"10.1016/j.carbpol.2025.124427","url":null,"abstract":"<div><div>To develop dysphagia-friendly, high-protein foods, this study selected xanthan gum (XG) as a texture modifier in a lotus root starch-whey protein isolate (LRS-WPI) composite system. According to the International Dysphagia Diet Standardization Initiative (IDDSI) framework, the incorporation of XG reduced the texture level of LRS-WPI gels from level 7 to level 4, enhancing their suitability for dysphagia patients. However, low addition-XG (0.05 %–0.10 %) promoted macromolecular clustering (≥1000 μm) through bridging interactions with WPI, which might not be conducive to the comfort of the swallowing process. While higher XG content increased gel viscosity beyond 600 cp and minimized oral friction, demonstrating its potential to prevent choking. During co-heating, XG raised the pasting temperature by approximately 10 °C and reduced amylose leaching. <em>In vitro</em> digestion revealed that 0.60 % XG reduced rapidly digestible starch by 30.07 % compared to the LRS. Results of water migration, intermolecular interactions, and microstructure suggested that XG disrupted the WPI gel network <em>via</em> hydrogen bonding and electrostatic interactions, and acted as a “lubricant” through self-assembled flexible gels. Additionally, XG hindered LRS digestion by constructing a physical barrier and competing for water. This article would offer valuable insights into improving the friendliness of high-protein dysphagia foods.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124427"},"PeriodicalIF":12.5,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

State-of-the-art in starch (derivatives)/MXene-based composites for emerging applications: A focused review 最新的淀粉（衍生物）/ mxene基复合材料的新兴应用：重点综述

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-18 DOI: 10.1016/j.carbpol.2025.124437

Kun Fang , Pei Li , Xiangrui Huang , Yihan Li , Hanbing Wang

{"title":"State-of-the-art in starch (derivatives)/MXene-based composites for emerging applications: A focused review","authors":"Kun Fang , Pei Li , Xiangrui Huang , Yihan Li , Hanbing Wang","doi":"10.1016/j.carbpol.2025.124437","DOIUrl":"10.1016/j.carbpol.2025.124437","url":null,"abstract":"<div><div>The synergistic integration of two-dimensional MXenes with starch matrices is propelling the advancement of next-generation technologies, as MXenes exhibit a broad specific surface area, exceptional electrical conductivity, and a wealth of surface end-groups that contribute to their impressive electronic, thermal, optical, and mechanical properties. Starch and its derivatives, known for being easily modified, biodegradable, non-toxic, and biocompatible, offer a compelling platform for designing hybrid composites with MXenes to maximize their functional capabilities. The interaction between starch (derivatives) and MXenes results in tunable mechanical strength and electrochemical properties of starch (derivatives)/MXene-based composites (SMBCs), positioning them as highly promising materials for a wide range of applications. Despite their potential, there remains a notable lack of comprehensive reviews on SMBCs. This review addresses that gap by detailing the various types of SMBCs (hydrogels, aerogels, films, and foams), and highlighting innovative preparation strategies, with a particular empHasis on their applications in sensors, electromagnetic interference shielding, energy storage, environmental remediation, biomedical engineering, food packaging, and electrochemical sensors. Finally, we outline the current challenges and propose future research directions for SMBCs, offering valuable insights and guidance for researchers, practitioners, and decision-makers in the field.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124437"},"PeriodicalIF":12.5,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ammonium alginate and cellulose nanofiber-based sea anemone tentacle-inspired colorimetric gas-sensitive aerogel enabling ultra-sensitive ammonia visual detection 海藻酸铵和纤维素纳米纤维为基础的海葵触须启发比色气敏气凝胶，实现超灵敏的氨视觉检测

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-18 DOI: 10.1016/j.carbpol.2025.124435

Yanghang Liu , Lizhi Wang , Zirun Zhan , Yu Jiang , Xun Zhang , Yunhe Li , Xin Zhong , Dan Yu , Wei Wang

{"title":"Ammonium alginate and cellulose nanofiber-based sea anemone tentacle-inspired colorimetric gas-sensitive aerogel enabling ultra-sensitive ammonia visual detection","authors":"Yanghang Liu , Lizhi Wang , Zirun Zhan , Yu Jiang , Xun Zhang , Yunhe Li , Xin Zhong , Dan Yu , Wei Wang","doi":"10.1016/j.carbpol.2025.124435","DOIUrl":"10.1016/j.carbpol.2025.124435","url":null,"abstract":"<div><div>Real-time visual detection of ammonia (NH₃) is crucial for environmental safety and food quality, yet traditional sensors often suffer from slow response, poor selectivity, and limited adaptability. Here, we innovatively report an ammonium alginate (AL) and cellulose nanofiber-based colorimetric aerogel (APPC aerogel) with a sea anemone-inspired structure for rapid, sensitive, and reversible NH₃ detection. The aerogel is prepared by embedding a sulfonated indole photoacid (PMU<img>H) into a matrix of AL, cellulose nanofibers (CNF), and phytic acid (PA), cast into a 3D-printed template, and directionally frozen to form an ordered porous bionic structure. Upon NH₃ exposure, PMU-H undergoes fast, reversible proton transfer and enol-keto tautomerization, producing a color change from yellow to purplish-red within 5 s. The aerogel shows a detection limit of 0.65 ppm, a linear range of 1–250 ppm, and maintains performance over 50 cycles. FTIR and DFT analyses reveal the sensing mechanism. The material remains stable under humidity, temperature variations, and complex gases, enabling effective visual monitoring of NH₃ during seafood spoilage and offering promise for food packaging, environmental monitoring, and safety applications.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124435"},"PeriodicalIF":12.5,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145097292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural characterizations and potential delivery platform of glucan dendrimer-derived hydrogel 葡聚糖树突衍生水凝胶的结构表征及潜在递送平台

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-18 DOI: 10.1016/j.carbpol.2025.124432

Jingyi Zheng, Rong Zhou, Zhengyu Jin, Tao Zhang, Ming Miao

{"title":"Structural characterizations and potential delivery platform of glucan dendrimer-derived hydrogel","authors":"Jingyi Zheng, Rong Zhou, Zhengyu Jin, Tao Zhang, Ming Miao","doi":"10.1016/j.carbpol.2025.124432","DOIUrl":"10.1016/j.carbpol.2025.124432","url":null,"abstract":"<div><div>In response to the challenge of lysozyme (LZM) inactivation in the acidic environment of gastric juice, a pH-responsive gel delivery system based on glucan dendrimer (PG) was developed to achieve targeted intestinal delivery and enhance its bioavailability. Initially, PG was carboxymethylated. Then, a three-dimensional glycosidic bond entanglement network was constructed through enzymatic assembly to prepare the CMPG gel carrier. The structural characteristics of this carrier were characterized using various techniques, such as SEM, FTIR, XRD, and rheological analysis. Additionally, enzymatic hydrolysis experiments were carried out to elucidate the digestion characteristics of PG (or CMPG)-Gel. Subsequently, an in vitro simulated digestion model was employed to evaluate both the release behavior and activity retention rate of LZM under conditions mimicking gastric juice (pH 1.2) and intestinal fluid (pH 7.4). Within two hours in an intestinal environment, the release rate was reached up to 87.51 %, while the structural integrity of LZM was ensured to remain intact. This study represented a novel approach in which PG was utilized as a gel carrier through dual modifications involving carboxymethylation and enzymatic assembly for the first time. Targeted drug release was successfully achieved by leveraging pH responsiveness.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124432"},"PeriodicalIF":12.5,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation and characterization of anti-fingerprint and antireflective coatings prepared for touchscreen displays based on chitin nanofibers 基于几丁质纳米纤维的触摸屏防指纹防反射涂层的制备与表征

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-18 DOI: 10.1016/j.carbpol.2025.124426

Li Zhang , Lili Ren , Wei Song , Shuai Wang , Qiancheng He , Nan Wu , Jiang Zhou

{"title":"Preparation and characterization of anti-fingerprint and antireflective coatings prepared for touchscreen displays based on chitin nanofibers","authors":"Li Zhang , Lili Ren , Wei Song , Shuai Wang , Qiancheng He , Nan Wu , Jiang Zhou","doi":"10.1016/j.carbpol.2025.124426","DOIUrl":"10.1016/j.carbpol.2025.124426","url":null,"abstract":"<div><div>The rapid development of touchscreen interfaces and portable electronics has increased the demand for anti-fingerprint and antireflective coatings, which enhance screen visibility and improve the user's visual experience. However, existing oleophilic or oil-repellent coatings often fail to deliver both high transparency and durable anti-fingerprint performance under real-use conditions. In this study, an antireflective coating was fabricated based on chitin nanofibers (ChNFs) to provide both amphiphobic and anti-fingerprint protection for touchscreen displays. The ChNF-based coatings with abundant large-sized nanopores were fabricated via freeze casting and subsequent modification with PFDTES deposition. The PFDTES-modified chitin nanofiber (P-ChNF) coatings combined the anti-fingerprint performance of both water and oleic acid contact angles of 153° and 118°, and increased glass transmittance at 550 nm by ∼5 %. The P-ChNF coatings possessed good environmental durability and mechanical robustness, maintaining their anti-fingerprint and antireflective properties under harsh conditions. Notably, the smartphone screen coated with P-ChNF exhibited a substantial reduction in fingerprint residue, confirming improved anti-fingerprint performance. This work not only demonstrates that ChNFs are a promising candidate for meeting the growing demand for protective coatings in touchscreen displays, but also offers a feasible and efficient strategy to do so, thereby promoting the green and sustainable development of the anti-fingerprint coating industry.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124426"},"PeriodicalIF":12.5,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fe/Zr/AlOx-modified graphene oxide-chitosan aerogels for efficient removal of As(III) and Sb(III) from mining groundwater: Adsorption selectivity and mechanistic insights Fe/Zr/ aloxs改性氧化石墨烯-壳聚糖气凝胶对采矿地下水中As（III）和Sb（III）的吸附选择性和机理研究

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-18 DOI: 10.1016/j.carbpol.2025.124433

Huinan Mo , Huimei Shan , Yunquan Liu , Hongbin Zhan

{"title":"Fe/Zr/AlOx-modified graphene oxide-chitosan aerogels for efficient removal of As(III) and Sb(III) from mining groundwater: Adsorption selectivity and mechanistic insights","authors":"Huinan Mo , Huimei Shan , Yunquan Liu , Hongbin Zhan","doi":"10.1016/j.carbpol.2025.124433","DOIUrl":"10.1016/j.carbpol.2025.124433","url":null,"abstract":"<div><div>Arsenic (As) and antimony (Sb) contamination in groundwater poses serious threats to the environment and human health. In this study, graphene oxide–chitosan aerogel microspheres loaded with Fe/Zr/Al ternary oxides (IZA@GCAMs) were synthesized and systematically evaluated for their adsorption performance. IZA@GCAMs exhibited a high specific surface area (150–165 m<sup>2</sup>/g) and a hierarchical pore structure. Thermogravimetric analysis revealed that the incorporation of metal oxides enhanced structural stability and delayed thermal decomposition. Meanwhile, the amino and hydroxyl groups of chitosan not only provided initial binding sites for As(III) but also promoted the uniform dispersion of metal oxides and participated in subsequent complexation. The maximum adsorption capacities reached 248.51 mg/g for As(III) and 314.39 mg/g for Sb(III). Mechanistic studies indicated that As(III) first interacts with the functional groups of the chitosan matrix before binding to oxide sites, whereas Sb(III) directly forms stable complexes with Fe/Zr/AlOx, accompanied by partial oxidation, and in binary systems significantly suppresses As(III) removal by preferential site occupation. Density functional theory (DFT) calculations show that Sb(III) preferentially binds to FeO<sub>x</sub>, followed by ZrO<sub>x</sub> and AlO<sub>x</sub>, while As(III) tends to bind first to ZrO<sub>x</sub>, then to FeO<sub>x</sub> and AlO<sub>x</sub>. The material showed robust performance over pH 3–10 and high reusability, and efficiently reduced As/Sb in real groundwater. These findings elucidate the competitive adsorption mechanisms of As(III) and Sb(III) and demonstrate the practical application potential of this material in remediating As and Sb-contaminated groundwater.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124433"},"PeriodicalIF":12.5,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145217688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Serine protease–viscoelastic polysaccharide interaction in inorganic CaCO3: Enhanced thermal stability for efficient enzyme particulation via immobilization 丝氨酸蛋白酶-粘弹性多糖在无机CaCO3中的相互作用：通过固定化提高酶高效颗粒化的热稳定性

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-17 DOI: 10.1016/j.carbpol.2025.124420

Soyoon Baek , Chan Hee Lee , Dain Kim , Jinhee Jeong , In Ki Hong , Seunghee Bae , Ee Taek Hwang

{"title":"Serine protease–viscoelastic polysaccharide interaction in inorganic CaCO3: Enhanced thermal stability for efficient enzyme particulation via immobilization","authors":"Soyoon Baek , Chan Hee Lee , Dain Kim , Jinhee Jeong , In Ki Hong , Seunghee Bae , Ee Taek Hwang","doi":"10.1016/j.carbpol.2025.124420","DOIUrl":"10.1016/j.carbpol.2025.124420","url":null,"abstract":"<div><div>Efficient enzyme particulation is essential for advancing enzyme applications across the food, cosmetic, and pharmaceutical industries. This study introduces a novel enzyme immobilization strategy utilizing mesoporous calcium carbonate (CaCO<sub>3</sub>) that incorporates viscoelastic polysaccharides to improve <em>Bacillus licheniformis</em> protease stability and reusability. An <em>in situ</em> biomineralization method was employed, where CaCO<sub>3</sub> was synthesized while simultaneously encapsulating both the enzyme and guar gum in a water-based mixed-solvent system. Immobilization <em>via</em> protease–guar gum interactions significantly enhanced functional properties. Notably, guar gum increased enzymatic activity 3.39-fold (<em>p</em> < 0.01) and imparted thermal resistance during vacuum drying at 40–70 °C. The guar gum–protease–CaCO<sub>3</sub> system showed 2.04-fold higher residual activity at 40 °C compared to the guar gum-free system. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Brunauer–Emmett–Teller (BET) analysis confirmed robust enzyme–matrix integration. The immobilized protease retained 45 % of its initial activity after 45 days and 70 % after 10 reuse cycles. Guar gum further enhanced storage stability by 8 % and reusability by 10 %. This is the first demonstration of a synergistic protease–polysaccharide system embedded within inorganic CaCO<sub>3</sub>, providing a durable, thermally stable platform for cosmetic enzyme formulations, functional food biocatalysts, and pharmaceutical intermediates, though validation in complex industrial matrices is needed.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124420"},"PeriodicalIF":12.5,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145155793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of near-normal temperature soluble biomass starch by dry process for low-temperature sizing application of cotton and easy desizing 干法合成近常温可溶性生物质淀粉，用于棉花低温施胶及易退浆

IF 12.5 1区化学

Carbohydrate Polymers Pub Date : 2025-09-16 DOI: 10.1016/j.carbpol.2025.124417

Wei Li , Miaolong Li , Xun Zhang , Yifan Zhang , Xiaolong Cheng

{"title":"Synthesis of near-normal temperature soluble biomass starch by dry process for low-temperature sizing application of cotton and easy desizing","authors":"Wei Li , Miaolong Li , Xun Zhang , Yifan Zhang , Xiaolong Cheng","doi":"10.1016/j.carbpol.2025.124417","DOIUrl":"10.1016/j.carbpol.2025.124417","url":null,"abstract":"<div><div>To achieve near-normal temperature formation of starch paste with satisfactory sizing properties for near-normal temperature sizing application of cotton warps and easy desizing, esterified-sulfonated corn starch (ESCS) samples with degrees of substitution (DS<sub>es</sub>) of 0.021–0.072 were prepared using dry processes of esterification and sulfonation to evaluate their sizing properties and desizability. It was found that, with the rise in the DS<sub>es</sub>, the solubility, water dispersibility, adhesion to cotton fibers for the ESCS, and its film elongation and endurance increased, reaching the highest values at DS<sub>es</sub> = 0.072, which were significantly higher than those of acid-treated starch (ATS). The properties of ESCS (DS<sub>es</sub> = 0.072) showed no significant variation across temperatures from 95 °C to 40 °C, attributed to only slight variations in solubility. ESCS (DS<sub>es</sub> = 0.072) could form a paste suitable for immediate use at ~40 °C, with excellent sizing properties for cotton warp sizing at 40 °C to effectively overcome the issues of high-temperature sizing, and easy desizing from cotton warps using a simplified desizing (no chemicals and boiling water used). This study provides valuable methods for the near-normal temperature sizing of starch sizes for cotton warps and easy desizing.</div></div>","PeriodicalId":261,"journal":{"name":"Carbohydrate Polymers","volume":"370 ","pages":"Article 124417"},"PeriodicalIF":12.5,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145097289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0