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19 results on '"Fan, Song-Tao"'

7. Er: fiber Femtosecond Optical Frequency Comb Aimed at Measurement of Frequency of D1 Line in Li Atoms

Author

RAO Bing-jie, 饶冰洁, primary, ZHANG Yan-yan, 张颜艳, additional, YAN Lu-lu, 闫露露, additional, WU Yue-long, 武跃龙, additional, ZHANG Pan, 张攀, additional, FAN Song-tao, 樊松涛, additional, GUO Wen-ge, 郭文阁, additional, ZHANG Xiao-fei, 张晓斐, additional, ZHANG Shou-gang, 张首刚, additional, and JIANG Hai-feng, 姜海峰, additional

Published
2019
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8. Er: fiber Femtosecond Optical Frequency Comb Aimed at Measurement of Frequency of D1 Line in Li Atoms

Author

姜海峰 Jiang Hai-feng, 郭文阁 Guo Wen-ge, 樊松涛 Fan Song-tao, 闫露露 Yan Lu-lu, 张攀 Zhang Pan, 张晓斐 Zhang Xiaofei, 饶冰洁 Rao Bing-jie, 张首刚 Zhang Shougang, 武跃龙 Wu Yue-long, and 张颜艳 Zhang Yanyan

Subjects
Materials science, business.industry, Femtosecond, Optoelectronics, Optical frequency comb, Fiber, business, Atomic and Molecular Physics, and Optics, Line (formation)
Published
2019
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16. Effect of Lactobacillus plantarumNCU116 Fermentation on Asparagus officinalisPolysaccharide: Characterization, Antioxidative, and Immunoregulatory Activities

Author

Zhang, Zhi-Hong, Fan, Song-Tao, Huang, Dan-Fei, Yu, Qiang, Liu, Xiao-Zhen, Li, Chang, Wang, Sunan, Xiong, Tao, Nie, Shao-Ping, and Xie, Ming-Yong

Abstract

Lactic acid fermentation represents a novel method to produce bioactive functional ingredients, including polysaccharides. In this work, a selected lactic acid bacteria strain NCU116 was used to ferment Asparagus officinalis(asparagus) pulps. Two polysaccharides were subsequently separated from both unprocessed and fermented asparagus pulps, namely, asparagus polysaccharide (AOP) and fermented-AOP (F-AOP). The physicochemical and bioactive properties of AOP and F-AOP were characterized and investigated. High-performance anion-exchange chromatography showed that fermentation increased the proportions of rhamnose, galacturonic acid, and glucuronic acid in polysaccharides by 46.70, 114.09, and 12.75‰, respectively. High-performance size-exclusion chromatography revealed that fermentation decreased the average molecular weight from 181.3 kDa (AOP) to 152.8 kDa (F-AOP). Moreover, the fermentation reduced the particle size and changed the rheology property. In vitro, F-AOP displayed superior free radical scavenging properties compared to AOP, using 2,2-diphenyl-1-picryhydrazyl, hydroxyl, and superoxide anion radical scavenging assays. In vivo, F-AOP administration dose-dependently promoted a gradual shift from Th17-dominant acute inflammatory response (IL-17 and RORγt) to Th1-dominant defensive immune response (IFN-γ and T-bet). These results indicated that the Lactobacillus plantarumNCU116 fermentation was practical and useful to obtain promising bioactive polysaccharides.

Published
2018
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