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- 저자 : Fan Yingying (검색결과 3 건)
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Yingying Liu,Ying Huo,Qing Fan,Mei-Ling Liu,Hongbin Liu,Bin Li,Youming Li 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.102 No.-
Herein, we report a nanocellulose hydrogel that has a packaging structure for on-demand drug release. Zeolitic imidazolate frameworks-8 (ZIF-8) were grown on the surface of polydopamine (PDA) to producePDA@ZIF-8 nanoparticles. The obtained PDA@ZIF-8 nanoparticles were then incorporated into a networkof cellulose nanofibrils (CNFs) to fabricate a PDA@ZIF-8/CNFs composite hydrogel. The loading ratio of thedrug tetracycline hydrochloride (TH) was 58%. A slight burst release behavior was observed at the beginning,and the composite hydrogel presented a significant pH-dependent release behavior. The drug deliverytime of the PDA@ZIF-8/CNFs composite hydrogel was 3.5 times longer than that of the PDA/CNFscomposite hydrogel. Furthermore, NIR light radiation accelerated the drug delivery rate. The drug releasemechanism was mainly driven by anomalous transport. Importantly, the novel PDA@ZIF-8/CNFs compositehydrogel was found to be biocompatible according to in vitro cytotoxicity test. Because of its uniquemultiple drug release responses, the PDA@ZIF-8/CNFs composite hydrogel may be used in future clinicalapplications as a promising drug delivery carrier.
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Development of signal analysis method for the motional Stark effect diagnostic on EAST
FU, Jia,LYU, Bo,LIU, Haiqing,LI, Yingying,LIU, Dongmei,WEI, Yongqing,FAN, Chao,SHI, Yuejiang,WU, Zhenwei,WAN, Baonian IOP Publishing 2017 Plasma science & technology Vol.19 No.10
<P>A pilot single-channel Motional Stark Effect (MSE) diagnostic has been developed on EAST since 2015. The dual photo-elastic modulators (PEM) were employed to encode the polarization angle into a time-varying signal. The pitch angle was related to the ratio of modulation amplitude at the second harmonic frequency. A digital harmonic analyzer (DHA) technique was developed for extracting the second harmonic amplitude. The results were validated with a hardware phase lock-in amplifier, and is also consistent with the software dual phase-locking algorithm.</P>
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Proteomic analyses on the browning of shade-dried Thompson seedless grape
Liu Fengjuan,Huang Wenshu,Feng Zuoshan,Tao Yongxia,Fan Yingying,He Weizhong,Li XiaoLi,Fang Xiaotong,Wang Cheng,Bai Yujia 한국응용생명화학회 2021 Applied Biological Chemistry (Appl Biol Chem) Vol.64 No.3
China is one of the main producers in the worldwide raisin market. Most China’s raisins are produced in Xinjiang where the Thompson seedless grape ( Vitis vinifera L.cv.Thompson seedless) is the main variety of green raisin. However, the browning of Thompson seedless grape during drying has been well-acknowledged as the primary factor affecting the development of the raisin industry. Data independent acquisition (DIA)-based protein profiling was performed on fresh and shade-dried Thompson seedless grapes. As a result, 5431 proteins were identified, among which the amounts of 739 proteins in fresh grape were found to be significantly different with those in dried grape. The functional annotation based on the Blast2GO showed that the ‘organic substance metabolic process’, ‘regulation of molecular function’, ‘enzyme regulator activity’, and ‘isomerase activity’ related proteins became very active during browning. Further analyses revealed that the browning-related proteins, which with significant different amounts in fresh and in dried grapes, are primarily involved in the phenylpropanoid biosynthesis, tyrosine metabolism, phenylalanine metabolism, oxidative phosphorylation metabolism, plutathione metabolism, peroxisome pathway, and fatty acid degradation. And five random differential proteins were verified with parallel reaction monitoring (PRM). The PRM results were in agreement with the DIA data. The main browning-related proteins of Thompson seedless grape were identified in this study. Their properties were tested, and their roles in the browning mechanism were indicated. This will lay base to a better understanding on the enzymatic browning of Thompson seedless grape, and it will also provide guidance for controlling the quality of Thompson seedless grapes in industry.
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