Jie Liu

Guizhou University

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Zhou Jian

South China University of Technology

Jianwen Jiang

National University of Singapore

Chunwang Peng

South China University of Technology

Wei Wan

Agency for Science, Technology and Research

Gaobo Yu

Hainan University

Kaixuan Chen

Ningbo University

WU Yong-sheng

Hefei Institutes of Physical Science

Jinsheng Xiao

Beijing Normal University

Daohui Zhao

Hubei University

Ziliang Ruan

Zhejiang University

Cooperative Institutions

Chinese Academy of Sciences

Shanghai Jiao Tong University

Zhejiang University

Wuhan University of Technology

Sichuan University

University of Chinese Academy of Sciences

Ministry of Education of the People's Republic of China

Tianjin University

Nanjing Medical University

Peking University

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Anisotropic Moser-Trudinger type inequality in Lorentz space

AIMS Mathematics (2024)

Tao Zhang Jie Liu

<abstract><p>Our main purpose in this paper is to obtain the anisotropic Moser-Trudinger type inequality in Lorentz space $ L(n, q) $, $ 1 \leq q \leq \infty $. It can be seen as a generation result of the Moser-Trudinger type inequality in Lorentz space.</p></abstract>

Lorentz space

10.3934/math.2024480

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Determination of Bornyl Acetate in Kaiweixiaoshi Oral Liquor by Gas Chromatography

Zhongchengyao (2002)

Jie Liu

Objective:To establish the method for determination of bornyl acetate in Kaiweixiaoshi oral liquor by gas chromatography.Methods:Naphthalene has been used as the internal standard substance in internal standard method. The GC system consisted of stainless steel column, PEG 20M as the stationary phase, nitrogen as the carrier gas, and FID as the detector.Results:Both bornyl acetate in the preparation and naphthalenet in internal standard have got satisfactory separation under the chromatographic condition. The mean recovery of bornyl acetate was 95.29%, and RSD was 0.61%.Conclusion: The method is sensitive, accurate and reproducible, and it can be used to control the quality of the preparation.

Internal standard

Chromatography detector

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Mesoscopic coarse‐grained simulations of hydrophobic charge induction chromatography (HCIC) for protein purification

AIChE Journal (2015)

Gaobo Yu Jie Liu Zhou Jian

Mesoscopic coarse‐grained simulations are adopted to investigate interfacial mechanisms of hydrophobic charged induction chromatography for protein purification by regulating pH. Simulations results indicate that: (i) lysozyme can be adsorbed mainly with “top end‐on” and “bottom end‐on” orientation on hydrophobic surfaces, dominated by the two hydrophobic regions located at both ends of lysozyme's long axis. Elution from the “top end‐on” orientation is more difficult than that from the “bottom end‐on” orientation; (ii) a higher ligand density can get a faster adsorption rate and stronger adsorption. Interestingly, the effect of ligand density on the desorption is mainly determined by the distribution probability of the positively charged groups of ligands; (iii) a higher ionic strength can lead to a wider orientation distribution, a stronger adsorption and a lower elution rate. This work might provide an efficient way to optimize the operating conditions and designing novel ligands. © 2015 American Institute of Chemical Engineers AIChE J , 61: 2035–2047, 2015

Mesoscopic physics

Charge density

Surface charge

Protein Adsorption

10.1002/aic.14805

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オンライン中心カット2次元液体クロマトグラフィーのための界面の構築のためのfractionizedサンプリングと積層の適用【Powered by NICT】

Journal of Chromatography A (2016)

Baocheng Ji Bing Xia Jie Liu Yuanji Gao Ding Li-sheng

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Gas Chromatographic Determination of 2-chloro-4-bromophonel

Shandong Chemical Lndustry (2000)

Jie Liu

In this paper,a method is introduced for the determination of 2-chloro-4-bromophonel by gas chromatography with FID on OV-101 using nitrobenzen as internal standard.The method is convenient,rapid and accurate.The results showed that coefficients of variation and linear correlation were 0.54% and 0.9996 respectively.The average recovery was 99.96%.

Linear correlation

Relative standard deviation

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The study of epididymial antimicrobial peptides

Int J Immunol (2008)

Jie Liu Haiyan Wang

Antimicrobial peptides are small cationic peptides exhibiting broad spectrum antimicrobial properties and existing in many tissues.At present,antimicrobial peptides have been recognized over 800 categaries with activities of antibacteria,antiviral,and antitumor.Antimicrobial peptides in epididymis can protect urine and reproduction svstem from infection of sexually transmitted diseases.They are related with sperm maturation,motibility and provide new targets for male contraception and infertility. Key words: Antimierobial peptides; Epididymis

Antibacterial peptide

10.3760/cma.j.issn.1673-4394.2008.02.020

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Effect of Split Ratio in Determination of OCPs in Traditional Chinese Medicines Using Gas Chromatography

Advanced materials research (2011)

Hong Jin Wei Liu Xu Zheng Jie Liu Ai Ping Fan

In this work, the effect of split ratio and the column flow in determination of OCPs in Traditional Chinese medicines are discussed in the name of heptachlor. When the split ratio is 60:1, the measured concentration is close to the actual concentration; on the contrary, they lead the measured concentration lower than the actual concentration. The column flow has not obviously effect on result. The split ratio is considered in OCPs analysis.

Heptachlor

10.4028/www.scientific.net/amr.236-238.2798

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Low-loss fiber grating coupler on thin film lithium niobate platform

APL Photonics (2022)

Bin Chen Ziliang Ruan Xuancong Fan Wang Zong Jie Liu

A grating coupler with a high coupling efficiency and low back reflections is designed and demonstrated on the thin film lithium niobate platform, which facilitates an efficient interface between a lithium niobate ridge waveguide and a standard single mode fiber. The excellent performances of the present grating coupler are enabled by a cavity-assisted grating structure and a top metal mirror, even though a uniform grating is adopted as the diffractive element. Experimentally, a coupling loss of −0.89 dB at 1552 nm is demonstrated with a 1-dB bandwidth of 45 nm. Low back reflections of <−16.5 dB to the waveguide and <−13.7 dB to the fiber are also achieved from 1536 to 1579 nm.

Coupling loss

Waveguide

Fiber Bragg Grating

10.1063/5.0093033

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Study on the quality standard of Tudihailingjian Granules.

Northwest Pharmaceutical Journal (2018)

Bai Ni Hongmei Zhang Jie Liu

Quality standard

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Study on purification of total saponins from Pueraria lobata with macroporous resin

Journal of Guangdong Pharmaceutical University (2012)

Jie Liu

Objective To investigate the purification of total saponins from Pueraria lobata by macroporous resin to provide evidence for the industrial production.Methods A reasonable purifying process was established,and the resin's specifications,the flow rate of the sample's adsorption,the amount of the eluant and,the concentrations of ethanol,and so on,were investigated with the yields of total saponins as index.Results D101 resin showed a good purifying profile in the conditions as follows: adsorbing to saturation at 2 BV·h-1,then eluting successively with distilled water,30%,50% and 70% ethanol,for 4 BV respectively.The yielding of total saponins was 26.32%.Conclusion It's a reliable and accurate method,which may be suitable for the development and industrial production of saponins from Pueraria lobata.

Lobata

Distilled water

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