Article
Chemistry, Multidisciplinary
E. Baigorria, S. Souza dos Santos, M. R. de Moura, L. F. Fraceto
Summary: In this study, 3D printing of bioinks was used to develop nanocomposite hybrid adsorbent hydrogels. By adding clay to the biopolymer matrix, the resulting hydrogels showed improved rheological, mechanical, thermal, and porous properties. The SA-B30 bioink and corresponding 3D-printed device were found to be the best systems for adsorption of the pesticide paraquat. The synthesized eco-friendly, biodegradable, and low-cost materials can contribute to a circular economy and ensuring safe water for human consumption.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Bin Li, Aolin Wu, Wenrui Hao, Jizhen Liu, Zhigang Hu, Ying Wang
Summary: Deep eutectic solvent (DES) was synthesized from urea, acrylamide and choline chloride, and SA/P(U-AM-ChCl) composite hydrogel was prepared using thermal initiation frontal polymerization (FP) with sodium alginate as filler. The composite hydrogels were characterized by FTIR and SEM. The addition of SA greatly enhanced the swelling properties, mechanical properties, and self-healing properties of the hydrogels. The tensile strength of the hydrogel increased with increasing SA content, and the self-healing efficiency also improved with the increase of SA.
Article
Biochemistry & Molecular Biology
Xuecui Song, Jing Guo, Yuanfa Liu, Feng Li, Qiang Yang, Fucheng Guan, Chunqiu Di
Summary: The ionically cross-linked SA/AKP/PAM hydrogel demonstrates unique structure and properties, including excellent mechanical strength and ionic conductivity. Furthermore, it can be used as a capacitive pen and promotes the adhesion and growth of Schwann cells, showing broad prospects for application.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Chemistry, Applied
Qianzhu Lin, Hao Li, Na Ji, Lei Dai, Liu Xiong, Qingjie Sun
Summary: A new type of double-network hydrogels with stretchable, compressible, and self-healing properties was prepared by mixing hydroxypropyl starch and sodium alginate, allowing for adjustable mechanical properties. Under specific conditions, these hydrogels can maintain their gel properties, presenting broad application prospects in various fields.
CARBOHYDRATE POLYMERS
(2021)
Review
Biochemistry & Molecular Biology
Qinghua Wei, Jiayi Zhou, Yalong An, Mingyang Li, Juan Zhang, Sheng Yang
Summary: This article summarizes the application of sodium alginate (SA) in biological soft tissue repair/regeneration, especially its use in tissue engineering with the advent of 3D bioprinting technology. The article reviews SA modification methods and provides a comparative analysis of the characteristics of various SA-based hydrogels. It also introduces various molding methods of SA-based hydrogels, analyzes and compares the processing characteristics and applications of different molding methods. Additionally, it reviews the applications of SA-based hydrogels in tissue engineering, analyzes the challenges in their applications, and discusses future research directions.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Agricultural Engineering
Huazhong Ma, Jianglin Zhao, Ying Liu, Liang Liu, Juan Yu, Yimin Fan
Summary: An interpenetrating network (IPN) hydrogel was developed by crosslinking nanocellulose and sodium alginate through an acetic acid coagulation bath and Ca2+ chelation. The nanofibers in the hydrogel greatly extended the release time of aspirin to 60 hours, thanks to the well-structured network. Carboxyl groups played a role in the release capacity in different pH environments. This study provides a guide for the preparation of physically crosslinked IPN hydrogels with good mechanical properties and cytocompatibility for drug delivery applications.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Green & Sustainable Science & Technology
Shuai Liu, Fuqiang Fan, Zhaokui Ni, Jun Liu, Shengrui Wang
Summary: A newly designed lanthanum-crosslinked attapulgite/sodium alginate (La-ATP/SA) hydrogel adsorbent was prepared, and attapulgite was found to enhance the mechanical strength of the hydrogel. Batch experiments showed that chemical adsorption dominated the sorption process, with a maximum phosphate sorption capacity of 24.57 mg/g. The La-ATP/SA hydrogel exhibited pH-dependent behavior and maintained efficient phosphate removal over a wide pH range.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Biochemistry & Molecular Biology
Dangge Gao, Xinjing Li, Yiming Cheng, Bin Lyu, Jianzhong Ma
Summary: As a renewable biological resource, leather collagen serves as the raw material for the leather industry. Chromium-free tanning using bio-based materials for the modification of skin fibrin has significant environmental benefits. In this study, a POSS-OSA-MAA composite material was prepared and found to improve the thermal stability of skin collagen.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Chemistry, Applied
Xiao Li Li, Peng Liu, Bin Chu, Jin Mei He, Zhen Wang, Song Wang, Chang Sheng Chen, Xiao Hong Ge, Hui Li, Wei Qiang Liu
Summary: The study synthesized a dopamine grafted hyaluronic acid combined with sodium alginate and Ca2+-loaded liposomes to prepare an injectable thermosensitive sodium hyaluronate/sodium alginate hydrogel. The hydrogel rapidly changed from liquid to solid at 37 degrees C and showed good biocompatibility, promoting the adhesion, proliferation, and spreading of cardiac myocytes. The findings suggest that this hydrogel has potential as a therapeutic option for cardiac repair after myocardial infarction.
REACTIVE & FUNCTIONAL POLYMERS
(2023)
Article
Polymer Science
Yaqi Zhao, Yan Li, Tianchan Lan, Baowei Wang, Ming Huang, He Huang, Changming Qiao, Jingxin Sun
Summary: The physicochemical properties and microstructure of hybrid hydrogels prepared using sodium alginate and chondroitin sulfate extracted from two animal sources were investigated. The results showed that the addition of different sources of sulfate greatly influenced the properties and microstructure of the hydrogels.
Review
Polymer Science
Rishav Sharma, Rishabha Malviya, Sudarshan Singh, Bhupendra Prajapati
Summary: Alginates are natural polysaccharides that can be obtained from brown sea algae and bacteria. Sodium alginate (SA) is widely used in biological soft tissue repair and regeneration due to its low cost, high compatibility, and moderate crosslinking. SA hydrogels, with their high printability, have gained popularity in tissue engineering, especially with the advancement of 3D bioprinting. There is growing interest in the use of SA-based composite hydrogels for material modification, molding process improvement, and various applications.
Article
Materials Science, Multidisciplinary
Tianhao Wang, Feixue Gao, Yan Zhang, Shaohua Wang, Xinjin Li, Zengdian Zhao, Yunhui Dong, Xiangye Li
Summary: A new ABA-typed azobenzene derivative (AD) was synthesized and utilized as a low-molecular-weight crosslinker to construct supramacromolecular hydrogels (SMHGs) with sodium alginate (SA) through electrostatic interactions. The concentration of AD had a significant influence on the moduli values of SMHGs. By utilizing the electrostatic interactions between AD and SA, as well as the interchain hydrogen bonds of SA, SMHGs exhibited sol-gel transitions under pH-, photo-, or thermo-stimuli. This work provides a simple and effective strategy for the construction of SMHGs using azobenzene derivatives as LMW crosslinkers.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Paper & Wood
Peixuan Wu, Yunxi Cui, Zhicheng Sun, Meijuan Cao, Yuanyuan Liu, Kun Fu, Yang Zhou
Summary: In this study, an antibacterial sodium alginate derivative was successfully developed through covalent coupling of organosilane quaternary ammonium salt with sodium alginate. The material exhibited high antibacterial efficiency against Staphylococcus aureus and Escherichia coli, reaching up to 99.6% and 99.3%, respectively. Additionally, the material demonstrated good biocompatibility and potential application in the fabrication of sodium alginate beads.
Article
Chemistry, Applied
Yu Nan, Jianli Wang, Xue Chang, Kejin Shao, Yuchen Lin, Lijuan Qian, Zhan Li, Peizhuo Hu
Summary: A composite bead consisting of functionalized graphene oxide and sodium alginate has been developed for efficient recovery and reuse of uranium from uranium-containing wastewater. The composite beads exhibit selective adsorption of U(VI) with a maximum adsorption capacity of 704.22 mg/g. Furthermore, the composite beads swell in response to ions, facilitating rapid solid-liquid separation and low energy consumption in U(VI) recovery. Importantly, the beads demonstrate high reusability with an 80.11% adsorption rate after 9 cycles, indicating their potential for extraction and production of U(VI) from wastewater.
CARBOHYDRATE POLYMERS
(2023)
Article
Polymer Science
Tianzhu Shi, Zhengfeng Xie, Xinliang Mo, Yulong Feng, Tao Peng, Dandan Song
Summary: In this study, functionalized sodium alginate hydrogel (FSAH) was prepared for efficient adsorption of heavy metals and dyes. The results showed that FSAH mainly adsorbed heavy metals through physical adsorption, and cationic dyes through hydrogen bonds, electrostatic interactions, and pi-pi interactions. Additionally, FSAH exhibited good adsorption cycle stability.