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Three-Dimensional Printing and Supercritical Technologies for the Fabrication of Intricately Structured Aerogels Derived from the Alginate-Chitosan Polyelectrolyte Complex. 海藻酸盐-壳聚糖聚电解质复合物制备复杂结构气凝胶的三维打印和超临界技术。
IF 5.3 3区 化学
Gels Pub Date : 2025-06-20 DOI: 10.3390/gels11070477
Natalia Menshutina, Andrey Abramov, Eldar Golubev, Pavel Tsygankov
{"title":"Three-Dimensional Printing and Supercritical Technologies for the Fabrication of Intricately Structured Aerogels Derived from the Alginate-Chitosan Polyelectrolyte Complex.","authors":"Natalia Menshutina, Andrey Abramov, Eldar Golubev, Pavel Tsygankov","doi":"10.3390/gels11070477","DOIUrl":"10.3390/gels11070477","url":null,"abstract":"<p><p>Patient-specific scaffolds for tissue and organ regeneration are still limited by the difficulty of simultaneously shaping complex geometries, preserving hierarchical porosity, and guaranteeing sterility. Additive technologies represent a promising approach for addressing problems in tissue engineering, with the potential to develop personalized matrices for the growth of tissue and organ cells. The utilization of supercritical technologies, encompassing the processes of drying and sterilization within a supercritical fluid environment, has demonstrated significant opportunities for obtaining highly effective matrices for cell growth based on biocompatible materials. We present a comprehensive methodology for fabricating intricately structured, sterile aerogels based on alginate-chitosan polyelectrolyte complexes. The target three-dimensional macrostructure is achieved through (i) direct ink writing or (ii) heterophase printing, enabling the deposition of inks with diverse rheological profiles (viscosities ranging from 0.8 to 2500 Pa·s). A coupled supercritical carbon dioxide drying-sterilization regimen at 120 bar and 40 °C is employed to preserve the highly porous architecture of the printed constructs. The resulting aerogels exhibit 96 ± 2% porosity, a BET surface area of 108-238 m<sup>2</sup> g<sup>-1</sup>, and complete sterility. The proposed integration of 3D printing and supercritical processing yields sterile, intricately structured aerogels with substantial potential for the fabrication of patient-specific scaffolds for tissue and organ regeneration.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 7","pages":""},"PeriodicalIF":5.3,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12294165/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144707157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-Healing and Tough Polyacrylic Acid-Based Hydrogels for Micro-Strain Sensors. 微应变传感器用自愈韧性聚丙烯酸基水凝胶。
IF 5.3 3区 化学
Gels Pub Date : 2025-06-20 DOI: 10.3390/gels11070475
Chuanjie Liu, Zhihong Liu, Bing Lu
{"title":"Self-Healing and Tough Polyacrylic Acid-Based Hydrogels for Micro-Strain Sensors.","authors":"Chuanjie Liu, Zhihong Liu, Bing Lu","doi":"10.3390/gels11070475","DOIUrl":"10.3390/gels11070475","url":null,"abstract":"<p><p>Self-healing hydrogels hold promise for smart sensors in bioengineering and intelligent systems, yet balancing self-healing ability with mechanical strength remains challenging. In this study, a self-healing hydrogel exhibiting superior stretchability was developed by embedding a combination of hydrogen bonding and dynamic metal coordination interactions, introduced by modified fenugreek galactomannan, ferric ions, and lignin silver nanoparticles, into a covalent polyacrylic acid (PAA) matrix. Synergistic covalent and multiple non-covalent interactions enabled the hydrogel with high self-healing ability and enhanced mechanical property. In particular, due to the introduction of multiple energy dissipation mechanisms, particularly migrative dynamic metal coordination interactions, the hydrogel exhibited ultra-high stretchability of up to 2000%. Furthermore, with the incorporation of lignin silver nanoparticles and ferric ions, the hydrogel demonstrated excellent strain sensitivity (gauge factor ≈ 3.94), with stable and repeatable resistance signals. Assembled into a flexible strain sensor, it effectively detected subtle human motions and organ vibrations, and even replaced conductive rubber in gaming controllers for real-time inputs. This study provides a versatile strategy for designing multifunctional hydrogels for advanced sensing applications.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 7","pages":""},"PeriodicalIF":5.3,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12295542/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144707136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influences of Reservoir Conditions on the Performance of Cellulose Nanofiber/Laponite-Reinforced Supramolecular Polymer Gel-Based Lost Circulation Materials. 储层条件对纤维素纳米纤维/钙钛矿增强超分子聚合物凝胶基堵漏材料性能的影响
IF 5.3 3区 化学
Gels Pub Date : 2025-06-20 DOI: 10.3390/gels11070472
Liyao Dai, Jinsheng Sun, Kaihe Lv, Yingrui Bai, Jianlong Wang, Chaozheng Liu, Mei-Chun Li
{"title":"Influences of Reservoir Conditions on the Performance of Cellulose Nanofiber/Laponite-Reinforced Supramolecular Polymer Gel-Based Lost Circulation Materials.","authors":"Liyao Dai, Jinsheng Sun, Kaihe Lv, Yingrui Bai, Jianlong Wang, Chaozheng Liu, Mei-Chun Li","doi":"10.3390/gels11070472","DOIUrl":"10.3390/gels11070472","url":null,"abstract":"<p><p>Lost circulation during drilling has significantly hindered the safe and efficient development of oil and gas resources. Supramolecular polymer gel-based lost circulation materials have shown significant potential for application due to their unique molecular structures and superior performance. Herein, a high-performance supramolecular polymer gel was developed, and the influence of reservoir conditions on the performance of the supramolecular polymer gel was investigated in detail. The results identified an optimal formulation for the preparation of supramolecular polymer gel comprising 15 wt% acrylamide, 3 wt% 2-acrylamide-2-methylpropanesulfonic acid, 2.6 wt% divinylbenzene, 5 wt% polyvinyl alcohol, 0.30 wt% cellulose nanofibers, and 3 wt% laponite. The performance of the gel-forming suspension and the resulting supramolecular polymer gel was influenced by various factors, including temperature, density, pH, and the intrusion of drilling fluid, saltwater, and crude oil. Nevertheless, the supramolecular polymer gels consistently exhibited high strength under diverse environmental conditions, as confirmed by rheological measurements. Moreover, the gels exhibited strong plugging performance across various fracture widths and in permeable formations, with maximum breakthrough pressures exceeding 6 MPa. These findings establish a theoretical foundation and practical approach for the field application of supramolecular polymer gels in complex geological formations, demonstrating their effectiveness in controlling lost circulation under challenging downhole conditions.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 7","pages":""},"PeriodicalIF":5.3,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12294293/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144707048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Thermodynamic and Gelation Properties of Ovalbumin and Lysozyme. 卵清蛋白和溶菌酶的热力学和凝胶性质。
IF 5 3区 化学
Gels Pub Date : 2025-06-19 DOI: 10.3390/gels11060470
Lifeng Wang, Rongcheng Li, Siyi Lv, Yulin Liu, Shuaifu Fang, Jingnan Zang, Mingmin Qing, Yujie Chi
{"title":"The Thermodynamic and Gelation Properties of Ovalbumin and Lysozyme.","authors":"Lifeng Wang, Rongcheng Li, Siyi Lv, Yulin Liu, Shuaifu Fang, Jingnan Zang, Mingmin Qing, Yujie Chi","doi":"10.3390/gels11060470","DOIUrl":"10.3390/gels11060470","url":null,"abstract":"<p><p>Ovalbumin (OVA) and lysozyme (LYZ) are the predominant globular proteins in egg white and play a crucial role in influencing thermal stability and colloidal behavior. In this study, the thermal and conformational stability of OVA and LYZ under various physicochemical conditions including pH (5-9), protein concentrations (5, 10, and 20%), heating rates (2.5, 5, and 10 °C/min), sugars (sucrose and glucose), and salts (NaCl, KCl, and CaCl<sub>2</sub>) was systematically investigated using differential scanning calorimetry (DSC), aiming to elucidate their behavior within colloidal and gel-forming systems. The denaturation temperatures (T<sub>d</sub>) of OVA and LYZ in water (5% <i>w</i>/<i>v</i>, 5 °C/min) were 80.22 °C and 77.46 °C, respectively. The T<sub>d</sub> of LYZ and OVA decreased with protein concentration, heating rate, and CaCl<sub>2</sub>. OVA thermal stability was improved with increasing pH, but the stability of LYZ was decreased. Sugars enhanced the thermal stability of OVA and LYZ. In contrast, NaCl and KCl increased OVA stability but reduced LYZ stability. LYZ exhibited nearly 100% reversibility during the second heating cycle in water. Sugars maintained reversibility at approximately 90% for LYZ. However, the presence of salts diminished the reversibility. In contrast, OVA was completely denatured in water and sugar and salt solutions.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12191903/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tensile Resistance and Fracture Mechanisms of Silica Aerogels Reinforced by Nanotube-Graphene Hybrid Networks. 纳米管-石墨烯杂化网络增强二氧化硅气凝胶的抗拉性能及断裂机理。
IF 5 3区 化学
Gels Pub Date : 2025-06-19 DOI: 10.3390/gels11060471
Lin Guo, Mu Du, Jiaqian Li, Wei Li, Mingyang Yang, Gongming Xin
{"title":"Tensile Resistance and Fracture Mechanisms of Silica Aerogels Reinforced by Nanotube-Graphene Hybrid Networks.","authors":"Lin Guo, Mu Du, Jiaqian Li, Wei Li, Mingyang Yang, Gongming Xin","doi":"10.3390/gels11060471","DOIUrl":"10.3390/gels11060471","url":null,"abstract":"<p><p>Despite their outstanding thermal insulation and ultralight structure, silica aerogels suffer from inherent mechanical fragility, making the investigation of their mechanical behavior crucial for expanding their practical utility in advanced applications. To enhance their mechanical performance, this study introduces a dual-phase reinforcement strategy by anisotropically incorporating carbon nanotubes (CNTs) and graphene oxide (GO) sheets into the aerogel matrix. Using molecular dynamic simulations, we systematically investigate the tensile behavior and pore structure evolution of these hetero-structured composites. The results reveal a non-monotonic dependence of tensile strength on loading ratio, distinguishing three strain-dependent reinforcement regimes. High loading content (11.1%) significantly improves strength under low strain (0-26%), whereas low loading levels (1.8%) are more effective at preserving structural integrity under large strain (44-50%). Moderate loading (5.1%) yields balanced performance in intermediate regimes. While increasing carbon content reduces initial pore size by partially filling the framework, tensile deformation leads to interfacial debonding and the formation of larger pores due to CNT-GO hybrid structure interactions. This work elucidates a dual reinforcement mechanism-physical pore confinement and interfacial coupling-highlighting the critical role of nanostructure geometry in tuning strain-specific mechanical responses. The findings provide mechanistic insights into anisotropic nanocomposite behavior and offer guidance for designing robust porous materials for structural and functional applications.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12192097/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microencapsulation of Lactiplantibacillus plantarum BXM2 in Bamboo Shoot-Derived Nanocellulose Hydrogel to Enhance Its Survivability. 植物乳杆菌BXM2在竹笋纳米纤维素水凝胶中的微胶囊化以提高其生存能力。
IF 5 3区 化学
Gels Pub Date : 2025-06-18 DOI: 10.3390/gels11060465
Yajuan Huang, Qiao Guan, Yirui Wu, Chaoyang Zheng, Lingyue Zhong, Wen Xie, Jiaxin Chen, Juqing Huang, Qi Wang, Yafeng Zheng
{"title":"Microencapsulation of <i>Lactiplantibacillus plantarum</i> BXM2 in Bamboo Shoot-Derived Nanocellulose Hydrogel to Enhance Its Survivability.","authors":"Yajuan Huang, Qiao Guan, Yirui Wu, Chaoyang Zheng, Lingyue Zhong, Wen Xie, Jiaxin Chen, Juqing Huang, Qi Wang, Yafeng Zheng","doi":"10.3390/gels11060465","DOIUrl":"10.3390/gels11060465","url":null,"abstract":"<p><p>This study presents a novel approach for enhancing the survivability of <i>Lactiplantibacillus plantarum</i> BXM2 using bamboo shoot-derived nanocellulose hydrogels. Nanocellulose hydrogels, composed of cellulose nanofibers (CNFs), cellulose nanocrystals (CNCs), and polyvinyl alcohol (PVA), were developed as protective matrices for probiotics. Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD) confirmed the successful formation of hydrogen-bonded networks between PVA and nanocelluloses, while scanning electron microscopy (SEM) revealed that the ternary PVA-CNF-CNC hydrogel exhibited a dense, hierarchical porous structure, effectively encapsulating probiotics with an encapsulation efficiency of 92.56 ± 0.53%. Under simulated gastrointestinal digestion, the encapsulated probiotics maintained 8.04 log CFU/g viability, significantly higher than that of free bacteria (3.54 log CFU/mL). The hydrogel also enhanced heat tolerance (6.58 log CFU/mL at 70 °C) and freeze-drying survival (86.92% viability), outperforming binary systems. During 60-day storage at 4 °C and 25 °C, encapsulated probiotics retained viability above the critical threshold (≥6 log CFU/unit), whereas free cells declined rapidly. These findings highlight the potential of PVA-CNF-CNC hydrogel as an efficient delivery system to improve probiotic stability in food applications.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12192208/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interpretable Machine Learning Analysis of Design Factors in Hydrogel Supercapacitors. 水凝胶超级电容器设计因素的可解释机器学习分析。
IF 5 3区 化学
Gels Pub Date : 2025-06-18 DOI: 10.3390/gels11060464
Liying Xu, Siqi Liu, Dandan Hu, Junhao Liu, Yuze Zhang, Ziqiang Li, Zichuan Su, Daxin Liang
{"title":"Interpretable Machine Learning Analysis of Design Factors in Hydrogel Supercapacitors.","authors":"Liying Xu, Siqi Liu, Dandan Hu, Junhao Liu, Yuze Zhang, Ziqiang Li, Zichuan Su, Daxin Liang","doi":"10.3390/gels11060464","DOIUrl":"10.3390/gels11060464","url":null,"abstract":"<p><p>Understanding the relationships between design factors is crucial for the development of hydrogel supercapacitors, yet the relative importance and interdependencies of material properties and operating conditions remain unclear. This study employs interpretable machine learning to analyze the design factors that affect hydrogel supercapacitor performance, using 232 experimental samples from 41 recent studies. SHAP analysis was implemented to quantify parameter importance and reveal feature interactions among 16 key design parameters, including polymer types, electrolyte formulations, and operating conditions. Results show that synthetic vinyl polymers most strongly influence specific capacitance, while conductive polymers predominantly affect cycle stability. Ionic conductivity emerged as the most impactful parameter despite moderate feature importance, indicating complex nonlinear relationships. Critical interdependencies between polymer concentration and electrolyte formulation suggest that optimal design requires coordinated parameter selection rather than independent optimization. This interpretable framework provides quantitative insights into design factor hierarchies and parameter interdependencies, offering evidence-based guidelines for rational material selection in hydrogel supercapacitor development.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12192259/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antifouling Mussel-Inspired Hydrogel with Furanone-Loaded ZIF-8 for Quorum Sensing-Mediated Marine Antifouling. 具有呋喃酮负载ZIF-8的贻贝启发水凝胶用于群体感应介导的海洋防污。
IF 5 3区 化学
Gels Pub Date : 2025-06-18 DOI: 10.3390/gels11060466
Yanbin Xiong, Junnan Cui, Xiaodan Liu, Haobo Shu, Pan Cao
{"title":"Antifouling Mussel-Inspired Hydrogel with Furanone-Loaded ZIF-8 for Quorum Sensing-Mediated Marine Antifouling.","authors":"Yanbin Xiong, Junnan Cui, Xiaodan Liu, Haobo Shu, Pan Cao","doi":"10.3390/gels11060466","DOIUrl":"10.3390/gels11060466","url":null,"abstract":"<p><p>Marine biofouling, the process of marine microorganisms, algae, and invertebrates attaching to and forming biofilms on ship hulls, underwater infrastructure, and marine equipment in ocean environments, severely impacts shipping and underwater operations by increasing fuel consumption, maintenance costs, and corrosion risks, and by threatening marine ecosystem stability via invasive species transport. This study reports the development of a hydrogel-metal-organic framework (MOF)-quorum sensing inhibitor (QSI) antifouling coating on 304 stainless steel (SS) substrates. Inspired by mussel adhesion, a hydrophilic bionic hydrogel was first constructed via metal ion coordination. The traditional metal ion source was replaced with a zeolitic imidazolate framework-8 (ZIF-8) loaded with 2-(5H)-furanone (HF, a QSI) without altering coating formation. Physicochemical characterization using Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), the Brunauer-Emmett-Teller (BET) method, and the diffraction of x-rays (XRD) confirmed successful HF loading into ZIF-8 with intact crystal structures. Antifouling tests showed HF@ZIF-8 enhanced antibacterial inhibition against <i>Staphylococcus aureus</i> (97.28%) and <i>Escherichia coli</i> (>97%) and suppressed <i>Chromobacterium violaceum</i> CV026 pigment synthesis at 0.25 mg/mL (sub-growth concentration). The reconstructed PG/PVP/PEI/HF@ZIF-8 coating achieved 72.47% corrosion inhibition via synergistic anodic protection and physical shielding. This work provides a novel green approach for surface antifouling and drag reduction, highlighting MOF-loaded QSIs as promising additives to enhance the antifouling performance of hydrogel coatings, anti-corrosion performance, and QSI performance for sustainable marine engineering applications.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12191782/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrogels in Veterinary Vaccine Development: Types, Mechanisms, and Applications. 水凝胶在兽医疫苗开发:类型,机制和应用。
IF 5 3区 化学
Gels Pub Date : 2025-06-18 DOI: 10.3390/gels11060468
Peisen Zhao, Yuwei Yang, Lingxue Yu, Guoxin Li, Dandan Zhu
{"title":"Hydrogels in Veterinary Vaccine Development: Types, Mechanisms, and Applications.","authors":"Peisen Zhao, Yuwei Yang, Lingxue Yu, Guoxin Li, Dandan Zhu","doi":"10.3390/gels11060468","DOIUrl":"10.3390/gels11060468","url":null,"abstract":"<p><p>This review examines the potential and challenges of using hydrogel vaccine delivery systems in animal immunization. Traditional methods face issues like low immunogenicity, reliance on cold chains, and inefficient delivery, limiting their use in modern animal husbandry. Hydrogels offer a promising solution due to their biocompatibility, controlled drug release, and immune regulation. This paper highlights hydrogels' benefits, such as mimicking natural infection through sustained antigen release, boosting antigen-presenting cell activity, activating immune responses, and forming barriers at mucosal sites to prevent pathogen invasion. Additionally, innovative delivery methods like microneedle patches and nasal sprays show promise in enhancing convenience and compliance in animal vaccination. By combining interdisciplinary efforts and technological advancements, the hydrogel vaccine delivery system is anticipated to be crucial in preventing animal diseases, supporting sustainable animal husbandry, and ensuring global animal health and food safety.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12191934/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Cassia Gum on the Gel Properties of Wheat Flour-Tapioca Starch-Based Batter and the Oil Absorption Capacity of Fried Small Yellow Croaker. 决明胶对小黄鱼面糊凝胶性能及油炸小黄鱼吸油能力的影响。
IF 5 3区 化学
Gels Pub Date : 2025-06-18 DOI: 10.3390/gels11060469
Guilian Ran, Qiang Zhang, Yiping Liao, Liufang Xu, Qiang Zou
{"title":"Effect of Cassia Gum on the Gel Properties of Wheat Flour-Tapioca Starch-Based Batter and the Oil Absorption Capacity of Fried Small Yellow Croaker.","authors":"Guilian Ran, Qiang Zhang, Yiping Liao, Liufang Xu, Qiang Zou","doi":"10.3390/gels11060469","DOIUrl":"10.3390/gels11060469","url":null,"abstract":"<p><p>High oil content in breaded fried small yellow croaker (BFYC) was reduced using composite batter gels consisting of tapioca starch, wheat flour, and different concentrations of cassia gum (CG; 0%, 0.2%, 0.4%, 0.6%, 0.8%, 1%). The effects of CG on the oil absorption capacity of BFYC and potential mechanisms were investigated. Dynamic rheological analysis revealed that CG addition could enhance the viscoelasticity of the batter by increasing its storage modulus and loss modulus. Furthermore, FTIR and X-ray diffraction results demonstrated that CG interacts with starch through noncovalent interactions, increasing the relative crystallinity from 9.29% to 16.49%, which promoted the formation of a gel layer. This structural improvement effectively inhibited oil absorption. Differential scanning calorimetry analysis showed that within the 0-0.8% CG range, the batter's denaturation temperature increased from 78.23 °C to 82.08 °C with higher CG concentrations, indicating prolonged gelatinization and enhanced thermal stability that further reduced oil penetration. Low-field nuclear magnetic resonance analysis revealed that CG increased the proportion of tightly bound and weakly bound water in the batter, thereby improving water retention capacity and reducing moisture loss during frying. Microscopic structural observations and Sudan Red-staining tests confirmed that at 0.8% CG concentration, the crust exhibited the lowest porosity with approximately 40% reduction in surface fat content compared to the control group. In conclusion, CG addition significantly improves batter properties and reduces oil content in fried products, providing theoretical support for the development of low-fat fried foods.</p>","PeriodicalId":12506,"journal":{"name":"Gels","volume":"11 6","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12192022/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144483908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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