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您的检索式：作者名="SHI Fengcheng"
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| 1 | Research Progress on Structure and Bioactivity of Longan Polysaccharide显示文摘Longan originates from southern China and has high nutritional and health value.Recent phytochemistry and pharmacology studies have shown that polysaccharides are a main bioactive component of longan.Longan polysaccharides possess antioxidant,anti-aging,anti-tumor,immunomodulatory,and other bioactivities.Hot-water extraction,ethanol precipitation,and ultrasonic extraction are generally used to extract water-soluble longan polysaccharides.However,the relationship between the structure and bioactivity of longan polysaccharides remains unclear,requiring further investigation.The aim of this review is to evaluate the current literature focusing on the extraction,purification,structural characterization,and biological activity of longan polysaccharides.We believe that this review would provide a useful bibliography for further innovation and a basis for using longan polysaccharides in functional food. | Xiaolong Ji Shuli Zhang Xueyuan Jin Xin Yuan Siqi Zhang Xudan Guo Fengcheng Shi Yanqi Liu | 2023 | Journal of Renewable Materials2023，11，4： | 0 |
| 2 | High-performance Removal of Tetracycline Enabled by Fe^(0)Nanoparticles Supported on Carbon@ZIF-8显示文摘Significant concerns have been raised over the removal of antibiotics,such as tetracyclines(TC)in aquatic environments.Herein,we synthesized a new type of heterogeneous catalyst by supporting Fe^(0) nanopartciles(FeNPs)onto carbon coated ZIF-8(C@ZIF-8).The carbon layer formed by glucose was beneficial to maintain the morphology and porous structure of ZIF-8,which can also appropriately improve the hydrophobicity of ZIF-8 for enriching the TC.The as-prepared FeNPs-C@ZIF-8 catalyst featured an extreme large specific surface area(1122.16 m2/g),and the supported FeNPs with an average diameter of 6.13 nm exhibited a high dispersity on the supporting matrix of C@ZIF-8.For the removal of tetracycline,the large specific surface area of FeNPs-C@ZIF-8 allowed for an easy access of tetracycline to the FeNPs,while the highly dispersed FeNPs served as actived sites for the efficient degradation of tetracycline.A synergistic effect between adsorption and catalytic degradation of FeNPs(5%,mass fraction)-C@ZIF-8 was proven to be responsible for the high-performance removal of tetracycline with the removal efficiency high up to 93.02%at pH 5,25℃.The FeNPs-C@ZIF-8 was capable of recycling after activation with supplementary Fe^(0),which still maintained a high removal efficiency of 75.52%in the 5th cycle within 20 min. | XIAO Meng QI Wenqian JIA Shuanghui PANG Mengting SHI Fengcheng MAO Hui | 2022 | Chemical Research in Chinese Universities2022，38，6： | 0 |
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