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Chemically triggered life control of “smart” hydrogels through click and declick reactions

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1399-1406 doi: 10.1007/s11705-022-2149-z

Abstract: ., hydrogels) through amine–thiol scrambling under mild conditions.glycol) (PEG-NH2) was reacted with the representative conjugate acceptors to synthesize hydrogelsIt is noteworthy that the mentioned hydrogels could be degraded efficiently in hours to release the originalThe recovered PEG-NH2 reagent could be employed again to regenerate hydrogels.

Keywords： hydrogels     degradation     synthesis     regeneration    

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Continuous amino-functionalized University of Oslo 66 membranes as efficacious polysulfide barriers for

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 194-205 doi: 10.1007/s11705-022-2206-7

Abstract: Herein, continuous amino-functionalized University of Oslo 66 membranes supported on carbon nanotube

Keywords： lithium−sulfur batteries     amino-functionalized University of Oslo 66 membrane     polysulfide     interlayer    

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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: This research looks at ways of tailoring and improving the stiffness of polypyrrole hydrogels for useThis is an increase of 140% compared to pristine polypyrrole hydrogels produced by this method.

Keywords： supercapacitor     polypyrrole     hydrogel     strengthening     electrochemical    

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Facile generation of highly durable thiol-functionalized polyhedral oligomeric silsesquioxane based superhydrophobic

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1247-1258 doi: 10.1007/s11705-021-2124-0

Abstract: First, 1H, 1H, 2H-perfluoro-1-hexene reacted with thiol-functionalized polyhedral oligomeric silsesquioxanevia the thiol-ene click chemistry to obtain a fluorinated thiol-functionalized polyhedral oligomeric

Keywords： superhydrophobic melamine foam     thiol-functionalized polyhedral oligomeric silsesquioxane     durable     oil    

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detection of phosphate in an aqueous environment by an aluminum-based metal-organic framework with amido functionalized

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1594-8

Abstract:

● A novel Al-MOF was successfully synthesized by a facile solvothermal method.

Keywords： Fluorescence     Metal-organic framework     Phosphate     Detection     Al-MOF    

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removal of total oxidizable carbon, phosphate and various metallic ions from HO solution with amino-functionalized

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 470-482 doi: 10.1007/s11705-022-2231-6

Abstract: Amino-functionalized zirconia was synthesized by the co-condensation method using zirconium butanol andresults of Fourier transform infrared (FTIR) and Zeta potential showed that the content of N in amino-functionalizedstudies conducted using simulated solutions showed that the adsorption process of phosphate on amino-functionalized

Keywords： adsorption     zirconia     total oxidizable carbon     phosphate     metallic ions     hydrogen peroxide    

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Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1198-1210 doi: 10.1007/s11705-021-2133-z

Abstract: Sulfonic acid functionalized mesoporous silica based solid acid catalysts with different morphology wereThe sulfonic acid functionalized mesoporous silica catalysts of spherical shape and the cube shape were

Keywords： solid acid catalyst     mesoporous silica     sulfonic acid     biodiesel     esterification     oleic acid    

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-Cyclodextrin functionalized graphene oxide: an efficient and recyclable adsorbent for the removal of

Shanshan WANG, Yang LI, Xiaobin FAN, Fengbao ZHANG, Guoliang ZHANG

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 77-83 doi: 10.1007/s11705-014-1450-x

Abstract: A novel method for the preparation of -cyclodextrin grafted graphene oxide (GO- -CD) has been developed. The GO- -CD was characterized by Fourier transform infrared spectroscopy, C NMR spectroscopy, Raman spectroscopy and thermogravimetric analysis. The ability of GO- -CD to remove fuchsin acid from solution was also studied. The GO- -CD had an excellent adsorption capacity for fuchsin acid and could be recycled and reused. The adsorption capacities of GO- -CD for other dye pollutants such as methyl orange and methylene blue were also investigated. The absorption capacities for the three dyes are in the order: fuchsin acid>methylene blue>methyl orange.

Keywords： graphene oxide     β-cyclodextrin     adsorption capacity     recycle    

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2-Aminopyridine functionalized cellulose based Pd nanoparticles: An efficient and ecofriendly catalyst

Peibo Hu,Yahao Dong,Xiaotian Wu,Yuping Wei

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 389-395 doi: 10.1007/s11705-016-1575-1

Abstract: A palladium catalyst supported on 2-aminopyridine functionalized cellulose was synthesized and fully

Keywords： cellulose-supported     2-aminopyridine     palladium nanoparticles     ecofriendly catalyst     Suzuki cross-coupling reaction    

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Preparation of hydrogels with uniform and gradient chemical structures using dialdehyde cellulose and

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 applicationHowever, with highly reactive compounds, the preparation of hydrogels still needs an efficient approachfor 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

Keywords： hydrogel     uniform     gradient     dialdehyde cellulose     ammonia gas     diamine    

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Separation/degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1572-1

Abstract:

● PDA-Fe3O4-Ag was made by hydrothermal and oxidation self-polymerization method.

Keywords： PDA     Fe3O4     Magnetic adsorbent     Cationic dyes     Anionic dyes    

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Synthesis and properties of novel organogelators functionalized with 5-iodo-1,2,3-triazole and azobenzene

Ziyan Li,Yaodong Huang,Dongli Fan,Huimin Li,Shuxue Liu,Luyuan Wang

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 552-561 doi: 10.1007/s11705-016-1589-8

Abstract: Two series of 5-iodo-1,2,3-triazole derivatives containing azobenzene group(s) were synthesized and their gelling properties were tested. Those containing two azobenzene groups ( series) have better gelation performance than those containing one azobenzene group ( series). The microstructure of organogels and the driving force of gelation were investigated by scanning electron microscopy and H NMR, respectively. It was found that π-π stacking, van der Waals interaction, and dipole-dipole interaction were the main forces of gelation. All the tested organogels are photoresponsive and those from series are smarter than that from series. Henry - diagrams of compounds , , and were constructed on the basis of their gelation performance and the Hansen solubility parameters of related solvents. The constructed Henry - diagrams can be used to estimate the behavior of three compounds in any untested solvent.

Keywords： iodo triazole     azobenzene     photoresponsive organogel     gelator-solvent effect    

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Effective and selective adsorption of uranyl ions by porous polyethylenimine-functionalized carboxylated

Juan Shen, Fang Cao, Siqi Liu, Congjun Wang, Rigui Chen, Ke Chen

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 408-419 doi: 10.1007/s11705-021-2054-x

Abstract: activated carbon as a nanofiller, this study synthesized a novel environment-friendly polyethylenimine-functionalized

Keywords： polyethylenimine     carboxylated chitosan     activated charcoal     uranyl ion     adsorption    

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Enzyme-instructed self-assembly of peptides containing phosphoserine to form supramolecular hydrogels

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    

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AIE-Active Freeze-Tolerant Hydrogels Enable Multistage Information Encryption and Decryption at Subzero Article

Xiaojie Sui, Xiaodong Wang, Chengcheng Cai, Junyi Ma, Jing Yang, Lei Zhang

Engineering 2023, Volume 23, Issue 4,   Pages 82-89 doi: 10.1016/j.eng.2022.03.021

Abstract:

Freeze-tolerant hydrogels can regulate the freezing behavior of the water inside them at subzero temperaturesHerein, a series of aggregation-induced emission (AIE)-active freeze-tolerant hydrogels are developedThe hydrogels possess varied freezing temperatures (Tf) depending on their betaineAbove/below Tf, the information in the hydrogels that is encoded by means of AIEFinally, because the decrypted information in the hydrogels is irreversibly sensitive to temperature

Keywords： Freeze-tolerant hydrogels     Aggregation-induced emission     Encryption     Decryption     Anticounterfeiting    

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Title Author Date Type Operation

Chemically triggered life control of “smart” hydrogels through click and declick reactions

Journal Article

Continuous amino-functionalized University of Oslo 66 membranes as efficacious polysulfide barriers for

Journal Article

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

Evelyn Chalmers, Yi Li, Xuqing Liu

Journal Article

Facile generation of highly durable thiol-functionalized polyhedral oligomeric silsesquioxane based superhydrophobic

Journal Article

detection of phosphate in an aqueous environment by an aluminum-based metal-organic framework with amido functionalized

Journal Article

removal of total oxidizable carbon, phosphate and various metallic ions from HO solution with amino-functionalized

Journal Article

Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Journal Article

-Cyclodextrin functionalized graphene oxide: an efficient and recyclable adsorbent for the removal of

Shanshan WANG, Yang LI, Xiaobin FAN, Fengbao ZHANG, Guoliang ZHANG

Journal Article

2-Aminopyridine functionalized cellulose based Pd nanoparticles: An efficient and ecofriendly catalyst

Peibo Hu,Yahao Dong,Xiaotian Wu,Yuping Wei

Journal Article

Preparation of hydrogels with uniform and gradient chemical structures using dialdehyde cellulose and

Peiwen Liu, Carsten Mai, Kai Zhang

Journal Article

Separation/degradation behavior and mechanism for cationic/anionic dyes by Ag-functionalized FeO-PDA

Journal Article

Synthesis and properties of novel organogelators functionalized with 5-iodo-1,2,3-triazole and azobenzene

Ziyan Li,Yaodong Huang,Dongli Fan,Huimin Li,Shuxue Liu,Luyuan Wang

Journal Article

Effective and selective adsorption of uranyl ions by porous polyethylenimine-functionalized carboxylated

Juan Shen, Fang Cao, Siqi Liu, Congjun Wang, Rigui Chen, Ke Chen

Journal Article

Enzyme-instructed self-assembly of peptides containing phosphoserine to form supramolecular hydrogels

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

Journal Article

AIE-Active Freeze-Tolerant Hydrogels Enable Multistage Information Encryption and Decryption at Subzero

Xiaojie Sui, Xiaodong Wang, Chengcheng Cai, Junyi Ma, Jing Yang, Lei Zhang

Journal Article