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Chinese Journal of Polymer Science 2024年第10期42卷 1449-1458,I0008页

作者： Qiu-Li Tan Kai Gou Jing-Zhi Tang Ming-Hui Wei Chong Wang yi-Jing nie Geng-Sheng Weng School of Materials Science and Chemical Engineering State Key Laboratory Base of Novel Functional Materials and Preparation ScienceNingbo UniversityNingbo315211China Institute of Polymer Materials School of Materials Science and EngineeringJiangsu UniversityZhenjiang212013China

Thermochromic polymers with tunable thermochromism,high stretchability and mechanical strength are of interests for optical information storage and *** this work,we demonstrate a new design of thermo-fluorochromic carboxylated nitrile butadiene rubber(XNBR)elastomer cross-linked by Eu^(3+)-COOH dynamic coordination with deprotonated imidazole(DPIm)as the ancillary *** presence of DPIm not only improves the mechanical strength and stretchability,but also dramatically intensifies the fluorescence emission and lifetime of the Eu-containing *** elastomer behaves reversible thermo-fluorochromism with easily tunable transition temperature and emission intensity by the simple change of the deprotonation degree of *** facile tunable thermo-fluorochromism,exceptional mechanical strength,and high stretchability(up to about 5000%)enable the Eu-containing XNBR elastomer with potential applications in soft electronics where optical information storage and encryption are required.

关键词： Dynamic coordination Thermochromism Highly stretchable Elastomer Europium

Anti-microbial Activities of Protic Ionic Liquids Studied with Microcalorimetry Method

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Chemical Research in Chinese Universities 2011年第4期27卷 651-654页

作者： DING Yang-jun nie yi YU You College of Chemistry and Chemical Engineering Qufu Normal University Qufu 273165 P. R. China

The anti-microbial activities of seven protic ionic liquids（ILs） against Escherichia coli and Staphylococcus aureus were studied by a micro-calorimetric method at 310 *** bacterial growth rate constants were determined based on the bacterial growth power-time curves,andminimum biocidal concentrations were *** results indicate that the protic ILs studied show inhibitory activities on the bacteria,implying a potential eco-toxicity to the microorganisms in the water ***,the inhibition effect of ionic liquids is related to the structure of the cation and anion of protic *** type of proactive approach could aid in the assessment of the greenness of ILs to be used in the future.

关键词： Microcalorimetry Ionic liquid Escherichia coli Staphylococcus aureus Inhibitory activity

Regulating sulfur removal efficiency of fuels by Lewis acidity of ionic liquids

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Science China Chemistry 2016年第5期59卷 526-531页

作者： yi nie Yuxiao Dong Hongshuai Gao Xiangping Zhang Suojiang Zhang Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and EngineeringState Key Laboratory of Multiphase Complex SystemsInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China College of Chemistry and Chemical Engineering Qufu Normal UniversityQufu 273165China

It is urgent to develop a new deep desulfurization process of fuels as the environmental pollution increases seriously. In this work, a series of Lewis acidic ionic liquids （ILs） [C43MPy]Cl/nZnCl2 （n=1, 1.5, 2, 3） were synthesized and used in extraction and catalytic oxidative desulfurization （ECOD） of the fuels. The effects of the Lewis acidity of ILs, the molar ratio of H2O2/sulfur, temperatures, and different substrates including dibenzothiophene （DBT）, benzothiophene （BT） and thiophene （TS）, on sulfur removal were investigated. The results indicated that [C43MPy]Cl/3ZnCl2 presented near 100% DBT removal of model oil under conditions of 323 K, H2O2/DBT molar ratio 6：1. Kinetics for the removal of DBT, BT and TS by the [C43MPy]Cl/3ZnCl2-H2O2 system at 323 K is first-order with the apparent rate constants of 1.1348, 0.2226 and 0.0609 h-1, and the calculated apparent activation energies for DBT, BT and TS were 61.13, 60.66, and 68.14 kJ/mol from 298 to 308 K, re- spectively. After six cycles of the regenerated [C43MPy]Cl/3ZnCl2, the sulfur removal had a slight decrease. [C43MPy]Cl/ 3ZnCl2 showed a good desulfurization performance under optimal conditions.

关键词： desulfurization Lewis acidity ionic liquids extractant catalyst

STRESS-INDUCED POLYMER DEFORMATION IN SHEAR FLOWS

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Chinese Journal of Polymer Science 2013年第11期31卷 1590-1598页

作者： Juan Li yi-jing nie Yu Ma 胡文兵 Department of Polymer Science and Engineering State Key Laboratory of Coordination ChemistrySchool of Chemistry and Chemical EngineeringNanjing University

By means of dynamic Monte Carlo simulation of bulk lattice polymers in Couette shear flow, it was demonstrated that in addition to velocity gradient the constant driving forces acting as the activation aspect of shear stresses can also raise polymer deformation. Moreover, enhancing driving forces in a flow without any velocity gradient can reproduce non- Newtonian fluid behaviors of long-chain polymers. The simulations of Poiseuille shear flow with a gradient of shear stresses show that, the velocity gradient dominates small deformation in the flow layers of low shear stresses, while the shear stress dominates large deformation in the flow layers of high shear stresses. This result implies that the stress-induced deformation could be mainly responsible for the occurrence of non-Newtonian fluid behaviors of real polymers at high shear rates.

关键词： Polymer deformation Monte Carlo simulation Shear flow.

Significantly Improved Stereocomplexation Ability in Cyclic Block Copolymers

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Chinese Journal of Polymer Science 2023年第3期41卷 432-441,I0009页

作者： Qian Zhu Zhi-Ping Zhou Tong-Fan Hao yi-Jing nie Research School of Polymeric Materials School of Materials Science and EngineeringJiangsu UniversityZhenjiang 212013China

Stereocomplex crystallization in cyclic polymer blend and cyclic block copolymers was investigated by means of dynamic Monte Carlo *** polymer systems(linear polymer blend,linear diblock copolymer,cyclic polymer blend,cyclic diblock copolymer and tetrablock copolymer)were *** was interestingly found that the cyclic polymer blend exhibited the weakest stereocomplexation ability,while the two cyclic block copolymers showed stronger stereocomplexation ability than the linear diblock *** abnormal improved stereocomplexation ability of the cyclic block copolymers can be attributed to the synergy between the ring chain topology and the block copolymer *** with the linear block copolymers,the ring chain topology confined segmental motions of cyclic polymer chains to smaller regions,and then the segments belonging to the different blocks in the cyclic block copolymers have more chance to contact with each *** this way,the cyclic block copolymers had better miscibility between segments belonging to different types of blocks,leading to the stronger stereocomplexation ability.

关键词： Monte Carlo simulation Stereocomplex crystallization Ring chain topology Cyclic block copolymers

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硬头黄竹叶黄酮生物活性成分研究

中国调味品 2024年第10期49卷 194-198页

作者：罗田何义国陈雨唐正王艳宇聂一铭赵兴秀四川轻化工大学生物工程学院四川宜宾644005

该研究测定了宜宾硬头黄竹叶黄酮提取物中多糖、蛋白质、总酚、粗脂肪、挥发性物质等基本化学成分,探究了竹叶黄酮提取物中黄酮有效成分。结果表明,竹叶黄酮提取物中除黄酮外,还含有较多的糖类和酚类物质,通过HS-SPME检测出6种醛类(24.8... 详细信息

该研究测定了宜宾硬头黄竹叶黄酮提取物中多糖、蛋白质、总酚、粗脂肪、挥发性物质等基本化学成分,探究了竹叶黄酮提取物中黄酮有效成分。结果表明,竹叶黄酮提取物中除黄酮外,还含有较多的糖类和酚类物质,通过HS-SPME检测出6种醛类(24.87%)、3种酸类(18.13%)、4种酯类(13.87%)、5种酮类(32.31%)和1种酚类(7.92%)共20种挥发性物质;通过UHPLC-Q-TOF-MS检测出竹叶黄酮提取物中有609种物质,其中黄酮类化合物中共鉴定出43种,占比达60.6%,黄酮类物质中主要以异牡荆苷、异荭草苷为主。因此,该研究为竹叶黄酮生物活性成分的开发利用奠定了理论基础。

关键词：硬头黄竹竹叶黄酮成分研究生物活性

Controlled Teleportation Using Four-Particle Cluster State

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Communications in Theoretical Physics 2008年第9期50卷 633-636页

作者： LI Song-Song nie yi-You HONG Zhi-Hui yi Xiao-Jie HUANG yi-Bin Department of Physics Jiangxi Normal University Nanchang 330022 China

A controlled teleportation scheme is *** this scheme,quantum information of a single-qubit stateor an entangled two-qubits state is transmitted from a sender (Alice) to a receiver (Charlie) via a four-particle clusterstate under the control of the supervisor (Bob).The feature of this scheme is that the teleportation between the senderand the receiver depends on the control of the supervisor.

关键词： controlled teleportation cluster state

Quantum Information Splitting of an Arbitrary Three-Qubit State by Using Cluster States and Bell States

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Communications in Theoretical Physics 2011年第3期55卷 421-425页

作者： LI Yuan-Hua LIU Jun-Chang nie yi-You Department of Physics Jiangxi Normal University Nanchang 330022 China Key Laboratory of Optoelectronic ＆ Telecommunication of Jiangxi Province Nanchang 330022 China

A new application of cluster states is investigated for quantum information splitting （QIS） of an arbitrary three-qubit state. In our scheme, a four-qubit cluster state and a Bell state are shared by a sender （Alice）, a controller （Charlie）, and a receiver （Bob）. Both the sender and controller only need to perform Bell-state measurements （BSMs）, the receiver can reconstruct the arbitrary three-qubit state by performing some appropriately unitary transformations on his qubits after he knows the measured results of both the sender and the controller. This QIS scheme is deterministic.

关键词： quantum information quantum information splitting cluster states arbitrary three-qubit state Bell-state measurement

Efficient synthesis of 5,6-dihydrothieno[3′,2′:4,5]-thieno[2,3-d]pyrimidin-4(3H)-ones via an iminophosphorane

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Chinese Chemical Letters 2009年第9期20卷 1055-1058页

作者： Yu Lu Chen yi Bo nie Ming Wu Ding Key Laboratory of Pesticide & Chemical Biology of Ministry of Education Central China Normal University Wuhan 430079 China Department of Biology Xianning Vocational and Technical College Xianning 437100 China

5,6-Dihydrothieno[3＇,2＇：4,5]thieno[2,3-d]pyrimidin-4（3H）-ones 6 were synthesized in yields of 71-87% by a consecutive method, which includes aza-Wittig reaction of iminophosphorane 3 with aromatic isocynate to give carbodiimide 4 and subsequent reaction of 4 with various amines, phenols or alcohols in the presence of catalytic amount of sodium ethoxide or solid potassium carbonate. 2009 Ming Wu Ding. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

关键词： 5,6-Dihydrothieno[3r,2':4,5]thieno[2,3-d]pyrimidin-4(3//)-one Iminophosphorane Aza-Wittig reaction Carbodiimide Isocyanate

Effects of water content on the dissolution behavior of wool keratin using 1-ethyl-3-methylimidazolium dimethylphosphate

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Science China Chemistry 2017年第7期60卷 934-941页

作者： Zhenlei Zhang Xiaochun Zhang yi nie Hui Wang Shuangshuang Zheng Suojiang Zhang Key Laboratory of Green Process and Engineering Beijing Key Laboratory of lonic Liquids Clean ProcessState Key Laboratory of Multiphase Complex SystemsInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China School of Chemistry and Chemical Engineering University of Chinese Academy of SciencesBeijing 1000491 China Zhengzhou Institute of Emerging Technology Industries Zhengzhou 450000China

Ionic liquids(ILs) are eco-friend and recyclable solvents for dissolution of wool keratin, and water is often used as antisolvent to regenerate keratin from IL solution. To recycle the ILs, removing water is the necessary step. However, complete removal of the water is energy-intensive and costly. The water in ionic liquids would change the physicochemical properties and cluster structures of the IL and further affect its dissolution behavior on keratin. Here, 1-ethyl-3-methylimidazolium dimethylphosphate([Emim]DMP) was used for experiments due to its good performance on dissolving keratin. The experimental and simulation results showed that the dissolving capability of [Emim]DMP was decreased and the interactions between cation and anion became weaker with water concentration increasing. Furthermore, the dissolution time of wool keratin in [Emim]DMP increased with water content rising. At the same time, the effect of water in ILs on the secondary structure distribution and thermal stability of regenerated keratin was not obvious. In this work, by taking the structures of [Emim]DMP, keratin dissolution time and properties of the regenerated keratin into consideration, a balanced range of water content in [Emim]DMP was determined, which could not only reduce recycling cost but also not affect the dissolution behavior of the IL.

关键词： keratin ionic liquids water recycle