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Hydrogel photocatalysts for efficient energy conversion and environmental treatment

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 577-595 doi: 10.1007/s11708-021-0756-x

Abstract: Hydrogel photocatalysts with a three-dimensional (3D) network structures are promising support materialsIn this review, hydrogel photocatalysts are classified into two different categories depending on theirelemental composition and recent progresses in the methods for preparing hydrogel photocatalysts areMoreover, current applications of hydrogel photocatalysts in energy conversion and environmental remediationFurthermore, a comprehensive outlook and highlight future challenges in the development of hydrogel photocatalysts

Keywords: hydrogel     photocatalysts     energy conversion     environmental treatment    

Long acting carmustine loaded natural extracellular matrix hydrogel for inhibition of glioblastoma recurrence

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 536-545 doi: 10.1007/s11705-021-2067-5

Abstract: glycolic acid groups is 75/25) nanoparticles were simultaneously loaded into natural extracellular matrix hydrogelThe hydrogel was injected into the resection cavity of a glioblastoma tumor immediately after tumor removal

Keywords: BCNU     glioblastoma recurrence     tumor resection     nanoparticles     hydrogel    

Investigation of the roles of lignin in biomass-based hydrogel for efficient desalination

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 954-965 doi: 10.1007/s11705-023-2311-2

Abstract: The shortage of freshwater has become a global challenge, and solar-driven interfacial evaporation for desalination is a promising way to alleviate the crisis. To develop highly efficient and environmentally friendly photothermal evaporator, the hydroxyethyl cellulose (HEC)/alkaline lignin (AL)/graphene oxide (GO) hydrogels (CLGs) with remarkable evaporative performance were successfully fabricated by a facile sol–gel method using biomass residues. The influence of AL content on the physicochemical properties of the evaporator was investigated. The increasing content of AL improves the mechanical properties, saturated water content and crosslink density of the hydrogels. The designed materials exhibit outstanding thermal insulation capacity (the thermal conductivity of less than 0.05 W·m–1·K–1) and high light absorption capacity of more than 97%. The solar evaporation efficiency and water evaporation rate of the HEC/64 wt % of AL/GO hydrogels (CLG4) achieve 92.1% and 2.55 kg·m–2·h–1 under 1 sun, respectively. The salt resistance test results reveal that the evaporation rate of the CLG4 can still reach 2.44 kg·m–2·h–1 in 3.5 wt % NaCl solution. The solar evaporation rate of the CLG4 can maintain in the range of 2.45–2.59 kg·m–2·h–1 in five cycles. This low-cost lignin-based photothermal evaporator offers a sustainable strategy for desalination.

Keywords: lignin     photothermal     cellulose     desalination     hydrogel    

Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 893-905 doi: 10.1007/s11705-022-2290-8

Abstract: A novel alginate/poly(acrylic acid/acrylamide) double-network hydrogel composite with silver nanoparticles

Keywords: double-network hydrogel     dye degradation     silver nanoparticles     alginate    

Preparation and swelling properties of a starch-g-poly(acrylic acid)/organo-mordenite hydrogel composite

Yan Zhang,Pingqiang Gao,Lin Zhao,Yizhong Chen

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 147-161 doi: 10.1007/s11705-015-1546-y

Abstract: A novel hydrogel composite was prepared via inverse suspension polymerization using starch, acrylic acidthe polymerization, and that the addition of organo-mordenite improved the surface morphology of the hydrogelThe swelling capacity of the hydrogel composite was evaluated in distilled water, and solutions withSwelling kinetics and water diffusion mechanism of the hydrogel composite in distilled water were alsocycles and the hydrogel composite exhibited significant environmental-responsiveness by changing the

Keywords: hydrogel composite     environmental-responsiveness     organo-mordenite     starch     acrylic acid    

Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1704-2

A Double-Layer Polysaccharide Hydrogel (DPH) for the Enhanced Intestine-Targeted Oral Delivery of Probiotics

Wen-Can Huang,Wenjie Wang,Wei Wang,Yanan Hao,Changhu Xue,Xiangzhao Mao,

Engineering doi: 10.1016/j.eng.2023.05.024

Abstract: Herein, we present a double-layer polysaccharide hydrogel (DPH) in the form of a double-layer structure

Keywords: Polysaccharides     Chitosan     Hydrogels     Oral delivery     Intestine-targeted    

Optimising the oil phases of aluminium hydrogel-stabilised emulsions for stable, safe and efficient vaccine

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 973-984 doi: 10.1007/s11705-021-2123-1

Abstract: To increase antibody secretion and dose sparing, squalene-in-water aluminium hydrogel (alum)-stabilisedsoybean oil, peanut oil, and olive oil were utilised as oil phases in the preparation of aluminium hydrogel-stabilised

Keywords: pickering emulsion     vaccine adjuvant     alum-stabilised emulsion     oleic to linoleic acid ratio     stability    

Bio-Printed Hydrogel Textiles Based on Fish Skin Decellularized Extracellular Matrix for Wound Healing Article

Xiang Lin, Han Zhang, Hui Zhang, Zhuohao Zhang, Guopu Chen, Yuanjin Zhao

Engineering 2023, Volume 25, Issue 6,   Pages 120-127 doi: 10.1016/j.eng.2022.05.022

Abstract: Moreover, the high specific surface areas of the porous structure on the hydrogel skeleton make it possible

Keywords: Bio-printing     Fish skin     Decellularized extracellular matrix     Hydrogel     Wound healing    

Molecular tailoring to improve polypyrrole hydrogels’ stiffness and electrochemical energy storage capacity

Evelyn Chalmers, Yi Li, Xuqing Liu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 684-694 doi: 10.1007/s11705-019-1817-0

Abstract: was also found that addition of phytic acid led to an increase in pseudocapacitive behaviour of the hydrogel

Keywords: supercapacitor     polypyrrole     hydrogel     strengthening     electrochemical    

A boronic acid-based fluorescent hydrogel for monosaccharide detection

Suying Xu, Adam C. Sedgwick, Souad A. Elfeky, Wenbo Chen, Ashley S. Jones, George T. Williams, A. Toby A. Jenkins, Steven D. Bull, John S. Fossey, Tony D. James

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 112-116 doi: 10.1007/s11705-019-1812-5

Abstract: acid-based anthracene fluorescent probe was functionalised with an acrylamide unit to incorporate into a hydrogelThe hydrogel incorporating the boronic acid monomer demonstrated the ability to detect monosaccharides

Preparation of hydrogels with uniform and gradient chemical structures using dialdehyde cellulose and diamine by aerating ammonia gas

Peiwen Liu, Carsten Mai, Kai Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 383-389 doi: 10.1007/s11705-018-1718-7

Abstract:

Hydrogels with precisely designed structures represent promising materials with a broad application spectrum, such as for sensor, tissue engineering and biomimetic technology. However, with highly reactive compounds, the preparation of hydrogels still needs an efficient approach for desired distribution of each component within hydrogels. In addition, a method for in situ preparation of gradient hydrogels is still lacking. Herein, we report the formation of hydrogels with either uniform or gradient internal structures via a novel, simple but very efficient method by aerating ammonia gas (NH3 gas) into the solution of dialdehyde cellulose (DAC) and a diamine. As-prepared hydrogels exhibited uniform microscopic and chemical structure or gradient distribution of functional groups. Due to lots of aldehyde groups on DAC chains, functional hydrogels can be prepared by using diverse diamines. For instance, hydrogels prepared by using 1,6-hexanediamine as a cross-linker were responsive to pH values. Moreover, this controllable process of aerating NH3 gas allows the in situ formation of gradient hydrogels; for instance, by using cyanamide as a reaction counterpart, gradient hydrogels with gradient distributions of cyanide groups were prepared.

Keywords: hydrogel     uniform     gradient     dialdehyde cellulose     ammonia gas     diamine    

Enzyme-instructed self-assembly of peptides containing phosphoserine to form supramolecular hydrogels as potential soft biomaterials

Jie Zhou, Xuewen Du, Jiaqing Wang, Natsuko Yamagata, Bing Xu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 509-515 doi: 10.1007/s11705-017-1613-7

Abstract: Enzyme-instructed self-assembly (EISA) offers a facile approach to explore the supramolecular assemblies of small molecules in cellular milieu for a variety of biomedical applications. One of the commonly used enzymes is phosphatase, but the study of the substrates of phosphatases mainly focuses on the phosphotyrosine containing peptides. In this work, we examine the EISA of phosphoserine containing small peptides for the first time by designing and synthesizing a series of precursors containing only phosphoserine or both phosphoserine and phosphotyrosine. Conjugating a phosphoserine to the -terminal of a well-established self-assembling peptide backbone, (naphthalene-2-ly)-acetyl-diphenylalanine (NapFF), affords a novel hydrogelation precursor for EISA. The incorporation of phosphotyrosine, another substrate of phosphatase, into the resulting precursor, provides one more enzymatic trigger on a single molecule, and meanwhile increases the precursors’ propensity to aggregate after being fully dephosphorylated. Exchanging the positions of phosphorylated serine and tyrosine in the peptide backbone provides insights on how the specific molecular structures influence self-assembling behaviors of small peptides and the subsequent cellular responses. Moreover, the utilization of D-amino acids largely enhances the biostability of the peptides, thus providing a unique soft material for potential biomedical applications.

Keywords: enzyme-instructed self-assembly     phosphoserine     phosphatase     supramolecular hydrogel    

Title Author Date Type Operation

Hydrogel photocatalysts for efficient energy conversion and environmental treatment

Journal Article

Long acting carmustine loaded natural extracellular matrix hydrogel for inhibition of glioblastoma recurrence

Journal Article

Investigation of the roles of lignin in biomass-based hydrogel for efficient desalination

Journal Article

Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Journal Article

Preparation and swelling properties of a starch-g-poly(acrylic acid)/organo-mordenite hydrogel composite

Yan Zhang,Pingqiang Gao,Lin Zhao,Yizhong Chen

Journal Article

Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled

Journal Article

A Double-Layer Polysaccharide Hydrogel (DPH) for the Enhanced Intestine-Targeted Oral Delivery of Probiotics

Wen-Can Huang,Wenjie Wang,Wei Wang,Yanan Hao,Changhu Xue,Xiangzhao Mao,

Journal Article

Optimising the oil phases of aluminium hydrogel-stabilised emulsions for stable, safe and efficient vaccine

Journal Article

Bio-Printed Hydrogel Textiles Based on Fish Skin Decellularized Extracellular Matrix for Wound Healing

Xiang Lin, Han Zhang, Hui Zhang, Zhuohao Zhang, Guopu Chen, Yuanjin Zhao

Journal Article

Molecular tailoring to improve polypyrrole hydrogels’ stiffness and electrochemical energy storage capacity

Evelyn Chalmers, Yi Li, Xuqing Liu

Journal Article

A boronic acid-based fluorescent hydrogel for monosaccharide detection

Suying Xu, Adam C. Sedgwick, Souad A. Elfeky, Wenbo Chen, Ashley S. Jones, George T. Williams, A. Toby A. Jenkins, Steven D. Bull, John S. Fossey, Tony D. James

Journal Article

Preparation of hydrogels with uniform and gradient chemical structures using dialdehyde cellulose and diamine by aerating ammonia gas

Peiwen Liu, Carsten Mai, Kai Zhang

Journal Article

Enzyme-instructed self-assembly of peptides containing phosphoserine to form supramolecular hydrogels as potential soft biomaterials

Jie Zhou, Xuewen Du, Jiaqing Wang, Natsuko Yamagata, Bing Xu

Journal Article