Jianglin Fang

Hunan Institute of Engineering

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Dongzhong Chen

Nanjing University

Shide Cai

Universidade de São Paulo

Wen‐Xia Tang

Wuhan Polytechnic University

Xuehai Yu

Nanjing University

Wanrong Liu

Liaocheng University

Bin Mu

Northwestern Polytechnical University

Xuewen Lu

University of Calgary

Hoong‐Kun Fun

King Saud University

Qingmin Chen

First Hospital of Jilin University

Shaohua Gou

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation

Cooperative Institutions

Nanjing University

Chinese Academy of Sciences

Southeast University

Chimie Biologique pour le Vivant

University of Chinese Academy of Sciences

Nanjing Medical University

Collaborative Innovation Center of Advanced Microstructures

Nanjing University of Posts and Telecommunications

Sichuan University

Northwestern Polytechnical University

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Secondary structure dependent on metal ions of copper,zinc superoxide dismutase investigated by Fourier transform IR spectroscopy

Biopolymers (1997)

Wei‐Yin Sun Jianglin Fang Min Cheng Ping‐Yu Xia Wen‐Xia Tang

Copper,zinc superoxide dismutase (Cu2Zn2-SOD) from bovine erythrocyte and its metal ion free derivatives, E2Zn2-SOD, Cu2E2-SOD, and E2E2-SOD (E: empty) were prepared and their secondary structures were investigated by Fourier transform ir spectroscopy. In 20 m M deuterated phosphate buffer (pD 7.5) solution at room temperature, the native Cu2Zn2-SOD contains about 34% β-strand, 17% β-turn, and 49% unordered structures, which is similar to the content determined by x-ray crystal structural analysis. The metal ion free derivatives decrease the component of β-strand and increase the unordered structure component in trend. Especially in the cases of zinc-free derivatives, Cu2E2-SOD and E2E2-SOD, about 24% β-strand, 20% β-turn, and 57% unordered structures are obtained. The result indicates that the zinc ion plays an important role in determining the secondary structure of copper,zinc superoxide dismutase. © 1997 John Wiley & Sons, Inc. Biopoly 42: 297–303, 1997

Dismutase

10.1002/(sici)1097-0282(199709)42:3<297::aid-bip3>3.3.co;2-9

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FTIR Study of the Secondary Structure of CytochromeCand its Platinum-Modified Derivatives

Spectroscopy Letters (1998)

Lijuan Jiang Wei‐Yin Sun Mouhai Shu Wen‐Xia Tang Jianglin Fang

Abstract The FTIR spectral measurements were carried out for native cytochrome c (cyt c) and its four platinum-modified derivatives. The influence of the platinum complex binding on the secondary structure of cyt c was discussed. It was found that the secondary structure of platinum-binded derivatives is similar to that of native cyt c when the platinum complex is binding on or near the surface of the protein. While in the case of derivatives, in which the platinum complex interacts with the second axial ligand of cyt c (Met 80) and causes the replacement of Met 80 by Lys 79 or solvent (H2O), great secondary structural changes were observed. The results imply that the Met 80 residue is very important in controlling the secondary structure of cyt c.

Residue (chemistry)

10.1080/00387019808003259

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Citations (2)

Grafting onto the surface of plasma-modified fillers

Applied Surface Science (1994)

Gending Ji Jianglin Fang Shide Cai Gi Xue

Surface Modification

Molding (decorative)

Reactivity

Carbon fibers

10.1016/0169-4332(94)90086-8

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Citations (5)

Penalised empirical likelihood for the additive hazards model with high-dimensional data

Journal of nonparametric statistics (2017)

Jianglin Fang Wanrong Liu Xuewen Lu

In this article, we apply the empirical likelihood (EL) method to the additive hazards model with high-dimensional data and propose the penalised empirical likelihood (PEL) method for parameter estimation and variable selection. It is shown that the estimator based on the EL method has the efficient property, and the limit distribution of the EL ratio statistic for the parameters is a asymptotic normal distribution under the true null hypothesis. In a high-dimensional setting, we prove that the PEL method in the additive hazards model has the oracle property, that is, with probability tending to 1, and the estimator based on the PEL method for the nonzero parameters is estimation and selection consistent if the hypothesised model is true. Moreover, the PEL ratio statistic for the parameters is a distribution under the true null hypothesis. The performance of the proposed methods is illustrated via a real data application and numerical simulations.

Empirical likelihood

Additive model

10.1080/10485252.2017.1303062

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Phase character and structural anomaly of Bi4Ti3O12 nanoparticles prepared by chemical coprecipitation

Materials Letters (2002)

Yulei Du Jianglin Fang Mingsheng Zhang Jianming Hong Zhen Yin

Coprecipitation

Rietveld Refinement

Orthorhombic crystal system

Tetragonal crystal system

Differential thermal analysis

Powder Diffraction

10.1016/s0167-577x(02)00876-5

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Citations (20)

Empirical likelihood for heteroscedastic partially linear single-index models with growing dimensional data

Metrika (2018)

Jianglin Fang Wanrong Liu Xuewen Lu

Empirical likelihood

10.1007/s00184-018-0642-7

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Citations (4)

LOW TEMPERATURE PLASMA POLYMERIZATION OF TOLUENE-DIISOCYANATE

Chinese Journal of Applied Chemistry (1987)

Shide Cai Xuehai Yu Jianglin Fang

Toluene diisocyanate

Plasma polymerization

10.3724/j.issn.1000-0518.1987.6.76

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Macromol. Chem. Phys. 5/2007

Macromolecular Chemistry and Physics (2007)

Qingwei Meng Dongzhong Chen Liwan Yue Jianglin Fang Hui Zhao

Cover: The cover shows a SEM image of core/shell spherical vaterite particles produced in the presence of the schematically drawn hyperbranched polyesters with carboxylic acid functional groups. Further details can be found in the Full Paper by Q. Meng, D. Chen, * L. Yue, J. Fang, H. Zhao, and L. Wang on page 474.

Vaterite

10.1002/macp.200790008

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Citations (0)

Journal of Materials Science Letters (1999)

Weifeng Zhang Zhen Yin Mingsheng Zhang Jianglin Fang

10.1023/a:1006601519779

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Citations (7)

Controlled synthesis and microstructure tuning of PEG-containing side-chain discotic liquid crystalline block copolymers via RAFT polymerization

Journal of Polymer Science Part A Polymer Chemistry (2017)

Bin Mu Xiao Li Keyang Chen Yongming Zeng Jianglin Fang

Liquid crystalline block copolymers (LCBCPs) are fascinating for their combining molecular level liquid crystalline orders and microphase separated multidomain morphologies. Here in this article, a series of PEG-containing side-chain discotic LCBCPs of PEG-b-Pm-n with variant spacer length m = 6, 10 and degree of polymerization (DP) of discotic LC block from n = 10 to 45, have been well-synthesized via reversible addition-fragmentation chain-transfer (RAFT) polymerization. The RAFT process mediated by macromolecular chain transfer agent (macroCTA) shows remarkable monomer concentration dependence. The influence of the introduced PEG block on the nano-scale microphase-segregation and mesophase organization is closely related to the side-chain triphenylene (TP) discogens stacking mode dependent on the spacer length. Wherein, the PEG-b-P6-n series with a six-methylene spacer exhibit consistent microphase separation with slightly disturbed yet ordered columnar structures. While for PEG-b-P10-n series with a longer ten-methylene spacer, the columnar organization in the copolymers is even improved in contrast with the low order of randomly TP stacking in their corresponding homopolymers. This work offers a viable and inspiring pathway for controlled synthesis of block copolymers with bulky side groups, as well as enhances in-depth understanding of the hierarchical superstructure organization in discotic units involved complex block copolymers. © 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2017, 55, 2544–2553

Raft

Chain transfer

Side chain

Discotic liquid crystal

10.1002/pola.28655

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Citations (11)