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  1. No Access

    Article

    Design of a Novel Apparatus to Enrich Analytes via a Diffuse-Evaporation Process for HPLC-FTIR Analysis

    HPLC-FTIR analysis using a novel apparatus with CuO powder as an interface is reported. This apparatus initially serves as a reservoir for the dilute eluted solution of HPLC, and then acts as an enrichment dev...

    Shengnan Liu, **aohua Zhang, Ran Guo, Yongju Wei, Isao Noda in Analytical Sciences (2018)

  2. Article

    Open Access

    Characterization of ovarian cancer cells and tissues by Fourier transform infrared spectroscopy

    Ovarian cancer is the most lethal of gynecological malignancies. Fourier Transform Infrared (FTIR) spectroscopy has gradually developed as a convenient, inexpensive and non-destructive technique for the study ...

    Lei Li, **aoning Bi, Hengzi Sun, Simiao Liu, Mei Yu in Journal of Ovarian Research (2018)

  3. No Access

    Article

    Use of CuO Particles as an Interface in LC-FTIR Analysis

    In this study, the feasibility of using copper oxide (CuO) as an interface for the coupling of liquid chromatography (LC) and Fourier-transform infrared (FTIR) spectroscopy was investigated. CuO exhibits low a...

    Yan Li, Ran Guo, Shengnan Liu, Anqi He, Yanan Bao, Shifu Weng in Analytical Sciences (2017)

  4. No Access

    Article

    Using Lanthanum Fluoride Fine Particles as Stationary Phase for Thin-Layer Chromatography/Fourier Transform Infrared Spectroscopy Analysis

    While in situ TLC/FTIR technique has tremendous potential in the analysis of complex mixtures, the conventional stationary phase, such as silica gel, used for TLC/FTIR analysis, has strong absorption in IR region...

    Qing Zhu, Haijun Wu, Fang Wang, Anqi He in JPC – Journal of Planar Chromatography – M… (2014)

  5. No Access

    Article

    Evaluation of Gallbladder Lipid Level During Carcinogenesis by an Infrared Spectroscopic Method

    Fourier transform infrared (FTIR) spectroscopy is sensitive to the molecular composition of tissue and has the potential to identify premalignant tissue. Our previous studies found that the lipids band of FTIR...

    Jiansheng Wang, Jia Zhang, Wenan Wu, **aoyi Duan in Digestive Diseases and Sciences (2010)

  6. No Access

    Article

    Crystalline behaviors and phase transition during the manufacture of fine denier PA6 fibers

    Recently we have successfully produced fine denier PA6 fibers by using additives containing lanthanide compounds. Meanwhile, crystallization and phase transition of PA6 fibers during spinning and drawing proce...

    ChengFeng Zhang, YuHai Liu, ShaoXuan Liu in Science in China Series B: Chemistry (2009)

  7. No Access

    Article

    Formation of super-concentrated hydrochloric acid in the third phase in tertiary amine N235-PtCl 6 2− -HCl system and its influences on the Pt microemulsion extraction

    In this paper, we have investigated the formation of the third-phase in tertiary amine (N235)-PtCl 6 2− -HCl system and the microscopic phase structural evolution of ...

    Kun Huang, **g Chen, ChengFeng Zhang, ZhiHong Li in Science in China Series B: Chemistry (2009)

  8. No Access

    Article

    PASA – A Program for Automated Protein NMR Backbone Signal Assignment by Pattern-Filtering Approach

    We present a new program, PASA (Program for Automated Sequential Assignment), for assigning protein backbone resonances based on multidimensional heteronuclear NMR data. Distinct from existing programs, PASA e...

    Yizhuang Xu, **aoxia Wang, Jun Yang, Julia Vaynberg, Jun Qin in Journal of Biomolecular NMR (2006)

  9. No Access

    Article

    Distinguishing malignant from normal stomach tissues and its in vivo, in situ measurement in operating process using FTIR Fiber-Optic techniques

    Gastric tissue samples were studied using mid-IR fiber-optic attenuated total reflectance (ATR) spectroscopy. FTIR spectra of 90 tissue samples from 48 patients, including 32 normal and 58 malignant tissue sam...

    Yizhuang Xu, Limin Yang, Zhi Xu, Ying Zhao in Science in China Series B: Chemistry (2005)

  10. No Access

    Article

    Coordination and phase separation in polyvinylpyrrolidone-neodymium chloride complex

    Aifang **e, Zebo Zhang, Benyuan Gu, Guozhen Yang in Journal of Materials Science Letters (2002)

  11. No Access

    Article

    Structural basis for the discrepancy of spectral behavior in C-H stretching band between steroids and long chain hydrocarbon compounds

    The discrepancies of the spectral behavior for the C-H stretching band between some long chain hydrocarbon compounds and steroids were investigated. At low temperature, the C-H stretching bands exhibit complex...

    Yizhuang Xu, **g Tao, Zhenhua Xu, Shifu Weng in Science in China Series B: Chemistry (1999)

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    Article

    Fractal phenomena in molecular mechanics calculation

    It is proposed that in molecular mechanics calculation points belonging to various stable or meta-stable conformers are mixed up and form fractal structures in conformation space. The calculation results show ...

    Yizhuang Xu, Zhida Chen, **guang Wu, **uzhen Wang in Science in China Series B: Chemistry (1997)

  13. No Access

    Chapter and Conference Paper

    Infrared Spectroscopic Characterization of the Crystallinity and the Hydrocarbon Chain Packing of the Polyethylene Segments in Poly(ethylene-co-dimethylaminoethyl Methacrylate)

    The multicrystalline behaviour and the crystallinity of poly(ethylene-co-dimethylaminoethyl methacrylate) were investigated by infrared spectroscopy. The metastable monoclinic packing structure of the polyethy...

    Hui** Zhang, Duanfu Xu, Yizhuang Xu in Progress in Fourier Transform Spectroscopy (1997)