Jie Chen

Huaiyin Institute of Technology

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Ling Zhao

State Key Laboratory of Chemical Engineering

Tao Liu

Jiangsu Changjiang Electronics Technology (China)

Guangai Sun

China Academy of Engineering Physics

Dongdong Hu

East China University of Science and Technology

Qiuyang Zhang

Huaiyin Institute of Technology

A. Lu

China Academy of Engineering Physics

Dong Liu

China Academy of Engineering Physics

Fenglin Yang

Dalian University of Technology

Yaopeng Zhang

Donghua University

Suna Fan

Donghua University

Cooperative Institutions

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Chinese Academy of Medical Sciences & Peking Union Medical College

Shanghai Jiao Tong University

Zhejiang University

Nanjing Forestry University

University of Science and Technology of China

Sichuan University

East China University of Science and Technology

Tsinghua University

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Controllable Fabrication of Cs2agbibr6 Nanocrystal/Mesoporous Black Tio2 Hollow Spheres Composite for Photocatalytic Benzyl Alcohol Oxidation

SSRN Electronic Journal (2022)

Menghan Yu Nan Wang Fan Yang Kuo Chiang Lin Dongxue Song

Photocatalytic selective oxidation of benzyl alcohol into benzaldehyde at normal temperature and pressure is one of important topics in the catalysis field. Here, lead-free double perovskite Cs2AgBiBr6 nanocrystal/mesoporous black TiO2 composite was prepared by a vacuum-assisted method, and then they were applied for photocatalytic selective oxidation. The photocatalytic oxidation of benzyl alcohol to benzaldehyde was found to be up to 75% conversion and 99% selection with Cs2AgBiBr6nanocrystal/black TiO2 composite, which was better than that of single Cs2AgBiBr6 nanocrystals and black TiO2, respectively. This was due to the formation of Z-type heterogeneous structure between Cs2AgBiBr6 nanocrystals and black TiO2, which effectively promoted the separation and transfer of electrons and holes, ultimately leading to excellent photocatalytic activity. During the whole catalytic process, the carbon-centered radicals were the key intermediates for the dehydrogenation of benzyl alcohol. This work may provide some practical suggestions for the fabrication of benzyl alcohol selective oxidation photocatalyst.

Benzyl alcohol

Alcohol Oxidation

10.2139/ssrn.4299753

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Preparation and characterization of silver containing chitosan fibers

Journal of Applied Polymer Science (2007)

Yimin Qin Changjun Zhu Jie Chen Jinhuan Zhong

Abstract Silver containing chitosan fibers were prepared by blending fine particles of a silver sodium hydrogen zirconium phosphate compound into the spinning solution. It was possible to distribute the silver containing particles in the chitosan fiber because of the high viscosity of the spinning solution and the small diameter of the particles. Because the silver ions are imbedded inside the sodium hydrogen zirconium phosphate complex, the chitosan fibers remain white in color without being oxidized by the silver ions. The release of silver ions from the silver containing chitosan fibers were studied by placing the fibers in contact with distilled water, solution A, and aqueous protein solutions. Results showed that the release of silver ions was low in water, while in solution A and protein solutions, the silver ions are activated through ion exchange and chelation. The silver ions can significantly enhance the antimicrobial properties of the chitosan fibers. Experimental results showed that when placed in contact with the silver containing chitosan fibers, the reduction in bacteria count can be more than 98%. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 3622–3627, 2007

Distilled water

Silver nanoparticle

Zirconium phosphate

10.1002/app.26083

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Citations (30)

A nitric oxide-catalytically generating carboxymethyl chitosan/sodium alginate hydrogel coating mimicking endothelium function for improving the biocompatibility

International Journal of Biological Macromolecules (2023)

Qiuyang Zhang Xuhui Liu Wenfu Ma Kun‐Peng Jia Minhui Yang

Biocompatibility

Protein Adsorption

10.1016/j.ijbiomac.2023.126727

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Citations (4)

Correlation between mechanical properties and microscopic structures of an optimized silica fraction in silicone rubber

Composites Science and Technology (2018)

Dong Liu Lixian Song Hongtao Song Jie Chen Qiang Tian

Silicone rubber

Radius of gyration

Volume fraction

10.1016/j.compscitech.2018.07.024

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Citations (61)

Enhancement of VEGF-Mediated Angiogenesis by 2-N,6-O-Sulfated Chitosan-Coated Hierarchical PLGA Scaffolds

ACS Applied Materials & Interfaces (2015)

Yuanman Yu Jie Chen Rui Chen Lingyan Cao Wei Tang

Rapid and controlled vascularization within scaffolds remains one of the key limitations in tissue engineering applications. This study describes the fabrication and characterization of 2-N,6-O-sulfated chitosan (26SCS)-coated hierarchical scaffold composed of poly(lactic-co-glycolic acid) (PLGA) microspheres, as a desirable vehicle for vascular endothelial growth factor (VEGF) delivery and consequent angiogenic boosting in vitro. Owing to the hierarchical porous structure and high affinity between VEGF and 26SCS, the 26SCS-modified PLGA (S-PLGA) scaffold possesses excellent entrapment and sustained release of VEGF. Using human umbilical vein endothelial cells (HUVECs) as a cell model, the VEGF-loaded S-PLGA scaffold shows desirable cell viability and attachment. The bioactivity of released VEGF is validated by intracellular nitric oxide secretion and capillary tube formation, demonstrating the improved capacity of VEGF-mediated pro-angiogenesis ascribed to 26SCS incorporation. Such a strategy will afford an effective method to prepare a scaffold with promoted angiogenesis.

PLGA

Glycolic acid

10.1021/acsami.5b02324

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Citations (47)

Gradient structure enabled robust silk origami with moisture responsiveness

Chemical Engineering Journal (2022)

Jie Chen Haoyang Xu Chenjing Zhang Rongliang Wu Suna Fan

10.1016/j.cej.2022.140021

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Citations (12)

Constructing a catalytical NO-generation coating on a polyurethane surface to enhance hemocompatibility and promote endothelial cell growth

Surfaces and Interfaces (2024)

Yan Ji Changpeng Zuo Jie Chen Qiuyang Zhang Yuchi Sun

10.1016/j.surfin.2024.104985

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Citations (4)

The synthesis of a hyperbranched star polymeric ionic liquid and its application in a polymer electrolyte

Polymer Chemistry (2017)

Ailian Wang Hao Xu Xu Liu Rui Gao Shi Wang

This research provides an effective approach to synthesize a hyperbranched star polymeric ionic liquid, and the prepared polymeric ionic liquid electrolyte shows good electrochemical properties.

Star polymer

Polymer Electrolytes

Star (game theory)

10.1039/c7py00499k

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Citations (43)

Determination of CO2 solubility in isotactic polypropylene melts with different polydispersities using magnetic suspension balance combined with swelling correction

Thermochimica Acta (2011)

Jie Chen Tao Liu Ling Zhao Weikang Yuan

Tacticity

Hildebrand solubility parameter

Polypropylene

10.1016/j.tca.2011.12.006

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Citations (37)

Preparation, Characterization and Drug Release Behavior of 5-Fluorouracil Loaded Carboxylic Poly(ε-caprolactone) Nanoparticles

Journal of Macromolecular Science Part A (2009)

Jiashi Li Yan Zhang Jie Chen Chaohua Wang Meidong Lang

In this paper, 5-Fluorouracil (5-FU) loaded carboxylic poly(ε-caprolactone) nanoparticles have been prepared by emulsification/solvent evaporation o/w method, and the drug release behaviors of 5-FU were investigated. The novel carboxylic poly (ε-caprolactone) (P(CL-OPD)-mal) was synthesized via conjugation of maleic anhydride to sodium borohydride (NaBH4) reduced poly(ε-caprolactone-co -4- carbonyl -ε-caprolactone) (P(CL-OPD)), while P(CL-OPD) was synthesized in bulk by ring-opening polymerization of ε-caprolactone and 4-carbonyl-ε-caprolactone (OPD) with stannous octoate as a catalyst. Their structures were confirmed by 1HNMR, FT-IR and GPC. Dynamic light scattering (DLS), transmission electron microscopy (TEM), zeta potential measurements were used for nanoparticle characterization. TEM and DLS showed the nanoparticles were with spherical shape and uniform size distribution (mean diameter 70∼100 nm), respectively. Zeta potential analysis revealed that the nanoparticles had an increased negative surface with the increase of carboxyl group concentration. UV spectroscopy was adopted to study the entrapment and release behaviour. The maximum 5-FU loading efficiency was 14.39% with the entrapment efficiency be 42%. In vitro release studies were performed in PBS at 37°C. Results of the study showed that the release behavior can be well-controlled, and the balanced release was up to 96 h. P(CL-OPD)-mal nanoparticles would provide increased benefit in biomedical and pharmaceutical applications.

Caprolactone

Zeta potential

Sodium borohydride

Maleic anhydride

10.1080/10601320903245565

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Citations (7)