KOMENDOVÁ, Martina, R METELKA, Z HOLIKOVA and Jiří URBAN. Miniaturized Electrochemical Detectors for Analysis in Capilllary Flowing Systems. In Navratil, T Fojta, M Schwarzova, K. XXXVI MODERNI ELEKTROCHEMICKE METODY. USTI NAD LABEM: LENKA SRSENOVA-BEST SERVIS, 2016, p. 105-108.
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Basic information
Original name Miniaturized Electrochemical Detectors for Analysis in Capilllary Flowing Systems
Authors KOMENDOVÁ, Martina, R METELKA, Z HOLIKOVA and Jiří URBAN.
Edition USTI NAD LABEM, XXXVI MODERNI ELEKTROCHEMICKE METODY, p. 105-108, 4 pp. 2016.
Publisher LENKA SRSENOVA-BEST SERVIS
Other information
Original language Czech
Type of outcome Proceedings paper
Confidentiality degree is not subject to a state or trade secret
UT WoS 000389898200024
Keywords in English Capillary electrochemical detectors; HPLC column; Microelectrodes; Tetrode; Dopamin; Amperometry; Biamperometry
Tags RIV ne
Changed by Changed by: doc. RNDr. Jiří Urban, Ph.D., učo 240583. Changed: 12/3/2021 13:57.
Abstract
Several designs of miniaturized electrochemical detectors based on incorporation of various types of microelectrodes into the ending of capillaries were developed. Capillary devices consisting of platinum teetrodes or free platinum and carbon microfibers were tested in biamperometric mode of operation. Detectors utilizing carbon or platinum microfibers as working and silver microwire as reference electrodes were used in amperometry of selected catecholamines. Analytical performance of different arrangements of microelectrodes in flowing streams was evaluated in the detection of dopamine in phosphate buffer carrier solutions and the detection limit as low as 110pg of dopamine on injection was attained
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