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Applications of hydrophilic interaction chromatography to Amino Acids, Peptides and Proteins

21-11-2014 | Aurélie PERIAT, Ira S. KRULL, Davy GUILLARME, Journal of Separation Science, 2014

This review summarizes the recent advances in the analysis of amino acids, peptides and proteins using hydrophilic interaction chromatography. Various reports demonstrate the successful analysis of amino acids under such conditions. However, a baseline resolution of the 20 natural amino acids ...

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Absorption of CO2 with Supported Imidazolium‐Based Ionic Liquid Membranes

21-11-2014 | Baichuan Cao, Weiheng Yan, Jin Wang, Hong Ding, Yang Yu, Journal of Chemical Technology & Biotechnology, 2014

Abstract Background Ionic liquids (ILs) are considered to be one of the future solutions in CO2 emission control because of their high CO2 solubility. Infiltrating ionic liquids into porous materials to prepare a supported ionic liquid membrane (SILM), could increase the absorption ...

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Implementation of adaptive coupling through memristor

20-11-2014 | Mattia Frasca, Lucia Valentina Gambuzza, Arturo Buscarino, Luigi Fortuna, physica status solidi (c), 2014

Abstract Since its discovery, memristor attracted a lot of attention for its potential applications as next generation electronic device, as system for modeling and implementing biological synapses and as key component in nonlinear circuits. Here we exploit the peculiarities of the HP ...

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Application of abscisic acid (S‐ABA) and sucrose to improve colour, anthocyanin content and antioxidant activity of cv. Crimson Seedless grape berries

20-11-2014 | G. Ferrara, A. Mazzeo, A.M.S. Matarrese, C. Pacucci, R. Punzi, M. Faccia, A. Trani, G. Gambacorta, Australian Journal of Grape and Wine Research, 2014

Abstract Background and Aims In some years, the table grape cultivar Crimson Seedless does not reach the commercially acceptable level of red colour in Mediterranean climates, with negative consequences for the grower. Application of abscisic acid (S‐ABA) and sucrose could be a tool for ...

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Tunable mid‐infrared luminescence from Er3+‐doped germanate glass

19-11-2014 | Bingpeng Li, Tao Wei, Ying Tian, Xufeng Jing, Fangze Chen, Fengchao Wang, Junjie Zhang, Muzhi Cai, Shiqing Xu, Luminescence, 2014

ABSTRACT Er3+‐doped germanate glasses with superior thermal stability were prepared. Judd–Ofelt intensity parameters and important spectroscopic properties were discussed in detail. Upon 800 nm and 980 nm LD pumping, 2.7 µm fluorescence characteristics were investigated and it was found that ...

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Methyl/Phenyl Attraction by CH/π Interaction in 1,2-Substitution Patterns

18-11-2014 | Henri Brunner; Takashi Tsuno; Gábor Balázs; Michael Bodensteiner, The Journal of Organic Chemistry, 2014

In 1,2-Me,Ph substitution patterns of organic compounds the methyl group attracts one of the phenyl sides to establish a CH/π bond with one of the ortho carbon atoms (the Co side), leading to a characteristic tilting of the phenyl ring around its Ci–Cp axis. This phenyl rotation shortens the ...

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Efficient Synthesis and Characterization of Ergosterol Laurate in a Solvent-Free System

18-11-2014 | Wen-Sen He; Ji Yin; Han-Shan Xu; Qiu-Ying Qian; Cheng-Sheng Jia; Hai-Le Ma; Biao Feng, Journal of Agricultural and Food Chemistry, 2014

Ergosterol and its derivatives have attracted much attention for a variety of health benefits, such as anti-inflammatory and antioxidant activities. However, ergosterol esters are advantageous because this compound has better solubility than the free ergosterol. In this work, ergosterol laurate ...

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Energies, Vol. 7, Pages 7454-7482: Analysis of Future Vehicle Energy Demand in China Based on a Gompertz Function Method and Computable General Equilibrium Model

18-11-2014 | Wu, Tian ; Zhang, Mengbo ; Ou, Xunmin, Energies, 2014

This paper presents a model for the projection of Chinese vehicle stocks and road vehicle energy demand through 2050 based on low-, medium-, and high-growth scenarios. To derive a gross-domestic product (GDP)-dependent Gompertz function, Chinese GDP is estimated using a recursive dynamic ...

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IJERPH, Vol. 11, Pages 11833-11845: Surface Water Quality Monitoring Site Optimization for Poyang Lake, the Largest Freshwater Lake in China

17-11-2014 | Wang, Hua ; Wu, Mengan ; Deng, Yanqing ; Tang, Chunyan ; Yang, Rui, International Journal of Environmental Research and Public Health, 2014

In this paper, we propose a coupled method to optimize the surface water quality monitoring sites for a huge freshwater lake based on field investigations, mathematical analysis, and numerical simulation tests. Poyang Lake, the largest freshwater lake in China, was selected as the research area. ...

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Microwave assisted glycolysis of poly(ethylene terephthalate) catalyzed by 1‐butyl‐3‐methylimidazolium bromide ionic liquid

14-11-2014 | Mohamed A. Alnaqbi, Mahmoud A. Mohsin, Reneesh M. Busheer, Yousef Haik, Journal of Applied Polymer Science, 2014

ABSTRACT The combination of ionic liquid (IL) associated with microwave energy may have some potential application in the chemical recycling of poly (ethylene terephthalate). In this processes, glycolysis of waste poly (ethylene terephthalate) recovered from bottled water containers were ...

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