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Microchip capillary electrophoresis with an end-channel amperometric detector and its preliminary application
Wu, YY; Qu, F; Lin, JM
2005
Source PublicationCHINESE JOURNAL OF CHEMISTRY
Volume23Issue:2Pages:155-159
AbstractAn end-channel amperometric detector with a guide tube for working electrode was designed and integrated on a home-made glass microchip. The guide tube was directly patterned and fabricated at the end of the detection reservoir, which made the fixation and alignment of working electrode relatively easy. The fabrication was carried our in a two-step etching process. A 30 mum carbon fiber microdisk electrode and Pt cathode were also integrated onto the amperometric detector. The baseline separation of dopamine (DA), catechol (CA) and epinephrine (EP) was achieved within 80 s. Relative standard deviations of not more than 5.2% were obtained for both peak currents and migration times of DA and CA (n=5). Using standard adding method, DA in urine and plasma samples was detected. The recoveries were in the range of 83%-103%.
Department环境化学与生态毒理学国家重点实验室
KeywordMicrochip Capillary Electrophoresis End-channel Amperometric Detection Two-step Etching Urine Plasma
WOS Research AreaChemistry
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/23191
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
GB/T 7714
Wu, YY,Qu, F,Lin, JM. Microchip capillary electrophoresis with an end-channel amperometric detector and its preliminary application[J]. CHINESE JOURNAL OF CHEMISTRY,2005,23(2):155-159.
APA Wu, YY,Qu, F,&Lin, JM.(2005).Microchip capillary electrophoresis with an end-channel amperometric detector and its preliminary application.CHINESE JOURNAL OF CHEMISTRY,23(2),155-159.
MLA Wu, YY,et al."Microchip capillary electrophoresis with an end-channel amperometric detector and its preliminary application".CHINESE JOURNAL OF CHEMISTRY 23.2(2005):155-159.
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