نتایج جستجو برای: high performance liquid chromatography hplc

تعداد نتایج: 3053299  

Journal: :Journal of environmental monitoring : JEM 2011
Lurdes I B Silva Celine I L Justino Isabel Lopes Ruth Pereira Ana Cristina Freitas Ricardo Calado Teresa A P Rocha-Santos Teresa S L Panteleitchouk Maria E Pereira Armando Costa Duarte

A new methodology for the assessment of thiocyanate (SCN(-)) is proposed based on optical fiber (OF) detection coupled to a liquid chromatography system (LC). The developed methodology showed an adequate performance for the analysis of SCN(-) comparable to a high performance liquid chromatography with UV detector (HPLC-UV) methodology: a detection limit of 3 µg L(-1), a linear range from 4 to 4...

Journal: :Journal of agriculture, food and environment 2021

This study was designed to quantify the residual concentrations of some antibiotics such as oxytetracycline (tetracycline), ciprofloxacin (quinolones group), enrofloxacin group) and levofloxacin in broiler production systems. For quantification antibiotic residues (ARs), a rapid, simple accurate method has been developed validated for simultaneous identification oxytetracycline, ciprofloxacin, ...

Journal: :Analytical biochemistry 2010
Ted M Lakowski Cecilia Zurita-Lopez Steven G Clarke Adam Frankel

1 Abbreviations used: [methyl-C]AdoMet, S-adenosyl-L-[methyl-C]methionine; [methyl-H]AdoMet, S-adenosyl-L-[methyl-H]methionine; aDMA, asymmetric x-N,N-dimethylarginine; AdoMet, S-adenosyl-L-methionine; AdoHcy, S-adenosylL-homocysteine; CID, collision-induced dissociation; DMA, dimethylarginine; DTT, dithiothreitol; ESI, electrospray ionization; ETD, electron-transfer dissociation; FPLC, fast pe...

2016
Sha Yang Yonghui Wang Yingda Jiang Shuang Li Wei Liu Jianxun Ding

Molecularly imprinting polymers (MIPs) have been extensively applied in chromatography for the separation of chiral drugs. In this review, we mainly summarize recent developments of various MIPs used as chiral stationary phases (CSPs) in high performance liquid chromatography (HPLC), capillary electrochromatography (CEC), and supercritical fluid chromatography (SFC). Among them, HPLC has the ad...

Journal: :Journal of chromatography. A 2006
Tingting Zhou Bin Chen Guorong Fan Yifeng Chai Yutian Wu

Following preparative isolation and purification by high-speed counter-current chromatography (HSCCC), the collected fractions were generally analyzed by high-performance liquid chromatography (HPLC) to determine the relative purities of each fraction. Our paper reports for the first time a preparative isolation-purity detection hyphenated system: online coupling of HSCCC with high-performance ...

Journal: :Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie 2021

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