Skip to main content

61 Result(s)

within English Remove this filter Chemistry Remove this filter Analytical Chemistry Remove this filter Wentao **a Remove this filter

previous disabled Page of 4
and

  1. No Access

    Article

    Novel Method for Spectrophotometric Determination of L-Tryptophan in the Enzymatic Resolution of DL-N-Acetyl-Tryptophan

    A novel spectrophotometric method for the determination of tryptophan (Trp) has been proposed. The sensitive and simple method was based upon the finding that NaNO2 and Trp formed a diazotized product in nitric a...

    Wentao Yu, Hongman Zhang, Guosong Chen, Chunyan Tu, **kai Ouyang in Microchimica Acta (2004)

  2. No Access

    Article

    A papaya-specific gene, papain, used as an endogenous reference gene in qualitative and real-time quantitative PCR detection of transgenic papayas

    Genetically modified (GM) papaya lines have been approved for commercialization and are widely cultivated in many countries. As a step towards the development of reliable qualitative and quantitative PCR metho...

    Wentao Xu, Weibin Bai, Feng Guo, Yunbo Luo… in European Food Research and Technology (2008)

  3. No Access

    Article

    Cloud-Point Extraction Combined with LC–MS for Analysis of Memantine in Rat Plasma

    The feasibility of using cloud-point extraction as a simple and effective means of recovery of memantine from rat plasma before LC–MS analysis has been demonstrated. A non-ionic surfactant Triton X-114 was use...

    Wentao Liu, Kaishun Bi, **ao Liu, Juanjuan Zhao, **aohui Chen in Chromatographia (2009)

  4. No Access

    Article

    Comparison of Different Silica-Based Imidazolium Stationary Phases for LC in Separation of Alkaloids

    Three stationary phases based on silica modified with imidazolium ionic liquids were prepared and characterized for their use in high-performance liquid chromatography. Multiple interactions of separation mech...

    Wentao Bi, Kyung Ho Row in Chromatographia (2010)

  5. No Access

    Article

    Enantioselective Separation and Determination of Carnosine in Rat Plasma by Fluorescence LC for Stereoselective Pharmacokinetic Studies

    A sensitive fluorescence liquid chromatographic analytical method was developed for the simultaneous determination of carnosine enantiomers in rat plasma. The method was applied to pharmacokinetic studies. Chi...

    Dan Su, Kaishun Bi, Chunling Zhou, Yonggui Song, Binbin Wei, Lulu Geng… in Chromatographia (2010)

  6. No Access

    Article

    Molecular imprinting in ionic liquid-modified porous polymer for recognitive separation of three tanshinones from Salvia miltiorrhiza Bunge

    Five ionic liquid-modified porous polymers with different imidazolium-based functional groups were obtained. A molecular imprinting technique was introduced to form the ordered functional groups in the porous ...

    Minglei Tian, Wentao Bi, Kyung Ho Row in Analytical and Bioanalytical Chemistry (2011)

  7. No Access

    Article

    Three-Phase Solvent Bar Microextraction Combined with HPLC for Extraction and Determination of Plasma Protein Binding of Bisoprolol

    A three-phase solvent bar microextraction (TPSBME) technique combined with high performance liquid chromatography (HPLC)–fluorescence detection was evaluated for the quantitative determination of plasma protei...

    Ming Zhang, Qing Li, Wei Ji, Shan Jiang, Chao Ma, Chao Wang, **g Ye… in Chromatographia (2011)

  8. No Access

    Article

    Quantitative profiling of tryptophan metabolites in serum, urine, and cell culture supernatants by liquid chromatography–tandem mass spectrometry

    A sensitive, selective, and comprehensive method for the quantitative determination of tryptophan and 18 of its key metabolites in serum, urine, and cell culture supernatants was developed. The analytes were s...

    Wentao Zhu, Axel P. Stevens, Katja Dettmer… in Analytical and Bioanalytical Chemistry (2011)

  9. No Access

    Article

    Simultaneous Determination of 15 Plant Growth Regulators in Bean Sprout and Tomato with Liquid Chromatography–Triple Quadrupole Tandem Mass Spectrometry

    The present paper describes the development and validation of a new reversed-phase liquid chromatography–electrospray ionization tandem mass spectrometric method for determination of 15 plant growth regulators...

    Liyan Ma, Hongyan Zhang, Wentao Xu, **aoyun He, Lili Yang… in Food Analytical Methods (2013)

  10. No Access

    Article

    A SERS-based immunoassay for porcine circovirus type 2 using multi-branched gold nanoparticles

    We report on a facile immunoassay for porcine circovirus type 2 (PCV2) based on surface enhanced Raman scattering (SERS) using multi-branched gold nanoparticles (mb-AuNPs) as substrates. The mb-AuNPs in the im...

    Zhihui Luo, Wentao Li, Donglian Lu, Kun Chen, Qigai He, Heyou Han… in Microchimica Acta (2013)

  11. No Access

    Article

    Deep Eutectic Solvent-Based HS-SME Coupled with GC for the Analysis of Bioactive Terpenoids in Chamaecyparis obtusa Leaves

    Headspace-solvent microextraction (HS-SME) was developed as a solvent-minimized extraction technique, but few studies have examined the applications of deep eutectic solvents (DESs) to the HS-SME of bioactive ...

    Baokun Tang, Wentao Bi, Heng Zhang, Kyung Ho Row in Chromatographia (2014)

  12. No Access

    Article

    Efficient carbon dioxide electrolysis based on ceria cathode loaded with metal catalysts

    Fluorite-type heterogeneous catalyst ceria is a mixed conductor and widely used as a hydrocarbon-fueled solid oxide fuel cell anode because of its advantage of anti-carbon deposition, redox stability, and ther...

    Wentao Qi, Kui **e, Qingqing Qin, Qi Zhou… in Journal of Solid State Electrochemistry (2014)

  13. No Access

    Article

    Colorimetric and visual determination of total nereistoxin-related insecticides by exploiting a nereistoxin-driven aggregation of gold nanoparticles

    We describe a method for the visual and colorimetric determination of total nereistoxin-related insecticide residues. It is based on the nereistoxin-induced aggregation of gold nanoparticles (AuNPs). The nerei...

    Wei Liu, Daohong Zhang, Wenxin Zhu, Sikai Zhang, Yashan Wang… in Microchimica Acta (2015)

  14. No Access

    Article

    Fluorescence aggregation assay for the protein biomarker mucin 1 using carbon dot-labeled antibodies and aptamers

    We have developed a sensitive fluorescence assay for the protein biomarker mucin 1 (MUC1). It is based on the aggregation of functionalized carbon dots (CDs) in the presence of MUC1. The CDs with a size of ~2 ...

    Nan Ma, Wentao Jiang, Ting Li, Zhongqiang Zhang, Haizhi Qi… in Microchimica Acta (2015)

  15. No Access

    Article

    Synthesis of a graphitic carbon nitride nanocomposite with magnetite as a sorbent for solid phase extraction of phenolic acids

    We have developed a facile in-situ growth method for the deposition of magnetite (Fe3O4) particles on the surface of a graphitic carbon nitride (g-C3N4) nanosheet. The material was characterized by X-ray diffract...

    **g Yang, Ling Si, Shihai Cui, Wentao Bi in Microchimica Acta (2015)

  16. No Access

    Article

    Simultaneous Separation and Determination of 22 Coumarin Derivatives in Cosmetics by UPLC-MS/MS

    A comprehensive analytical method based on ultra-performance liquid chromatography coupled with tandem mass spectrometry (UPLC-MS/MS) has been developed for the simultaneous determination of 22 regulated couma...

    Qiang Ma, Haiwei **, Huijuan Ma, **anshuang Meng, Ziming Wang, Hua Bai… in Chromatographia (2015)

  17. No Access

    Article

    Development of a Detection Kit Based on G-Quadruplex DNAzyme for Detection of Lead(II) Ion in Food Samples

    The biocatalytic function of G-quadruplex DNAzyme has been first used to design a detection kit for colorimetric detection of Pb2+ in food samples by coupling guaiacol (GA) as an effective and ideal colorimetric ...

    Tao Liu, Gang Nie, **ao Zhang, Wei Liu, Wentao Zhang… in Food Analytical Methods (2015)

  18. No Access

    Article

    Numerical simulation of deflagration to detonation transition in granular HMX explosives under thermal ignition

    To study the deflagration to detonation transition process in granular explosive under thermal ignition condition, the conductive burning is introduced into the classical model. The novel space–time conservati...

    Hefei Dong, Wentao Zan, Tao Hong… in Journal of Thermal Analysis and Calorimetry (2017)

  19. No Access

    Article

    Nucleation ability of nonmetallic organophosphate derivatives in isotactic polypropylene

    Nonmetallic organophosphate derivatives of ammonium (An), triethylammonium (CAn), and quaternary phosphonium (SP) salts of 2,2′-methylene-bis-(4,6-di-tert-butylphenyl) phosphate were synthesized and characterized...

    Lijuan Long, Wentao He, Juan Li, Shuhao Qin… in Journal of Thermal Analysis and Calorimetry (2017)

  20. No Access

    Article

    Dual signal amplification strategy for amperometric aptasensing using hydroxyapatite nanoparticles. Application to the sensitive detection of the cancer biomarker platelet-derived growth factor BB

    The authors describe a dual signal amplification strategy for improving the sensitivity of electrochemical aptasensor. Hydroxyapatite nanoparticles (HAP-NPs) serve as the support for deposition of the respecti...

    Wentao Jiang, Dazhi Tian, Li Zhang, Qingjun Guo, Yujun Cui… in Microchimica Acta (2017)

previous disabled Page of 4