Online preconcentration by electrokinetic supercharging for sensitive determination of berberine and jatrorrhizine in biological samples

2020 ◽  
Vol 34 (6) ◽  
Author(s):  
Chu Chu ◽  
Linmin Lian ◽  
Caijing Liu ◽  
Jing Li ◽  
Hui Mao ◽  
...  
Keyword(s):  
Biological Samples ◽  
Online Preconcentration ◽  
Sensitive Determination ◽  
Electrokinetic Supercharging

Sensitive analysis of reduced glutathione in bacteria and HaCaT cells by capillary electrophoresis via online pre-concentration of transient trapping combined with the dynamic pH junction mode

2017 ◽  
Vol 41 (21) ◽  
pp. 12920-12929 ◽  
Author(s):  
Yan Zhang ◽  
Wujuan Chen ◽  
Yi Zhang ◽  
Yating Zhang ◽  
Luqi Zhu ◽  
...  
Keyword(s):  
Capillary Electrophoresis ◽  
Biological Samples ◽  
Reduced Glutathione ◽  
New Method ◽  
Hacat Cells ◽  
Sensitive Analysis ◽  
Dynamic Ph Junction ◽  
Sensitive Determination

A new method of capillary electrophoresis was developed for the sensitive determination of glutathione in biological samples.

Picomol Assay of Nitric Oxide Screening in Biological Samples by Derivatization Combined with High-Throughput Microplate Format

2013 ◽  
Vol 423-426 ◽  
pp. 1786-1789
Author(s):  
Xiao Ling Zhang ◽  
Qiao Yang
Keyword(s):  
Nitric Oxide ◽  
Detection Limit ◽  
High Throughput ◽  
Biological Samples ◽  
Biological Sample ◽  
Small Volume ◽  
Screening Method ◽  
Broad Variety ◽  
Sensitive Determination

Nitric oxide (NO) is a critical intra-and extra-cellular signaling molecule that mediates a broad variety of physiologic and pathophysiologic events, and has prompted rapid growth of investigations in investigating its physiology and generation mechanism of corresponding diseases. In this paper, a picomol assay of NO screening method using fluorescent derivatization combined with high-throughout microplate format has been developed and successfully applied to the determination of NO in biological samples. The satisfied detection limit and recovery of the proposed method demonstrates that it can be competent for the sensitive determination of NO in extremely small volume of biological sample.

scholarly journals Simple and sensitive determination of sparfloxacin in pharmaceuticals and biological samples by immunoassay

2012 ◽  
Vol 2 (3) ◽  
pp. 214-219 ◽  
Author(s):  
Hua-Jin Zeng ◽  
Ran Yang ◽  
Bing Liu ◽  
Li-Fang Lei ◽  
Jian-Jun Li ◽  
...  
Keyword(s):  
Biological Samples ◽  
Sensitive Determination
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