National Repository of Grey Literature 67 records found  beginprevious58 - 67  jump to record: Search took 0.00 seconds. 
The use of prototype of multichannel device for electrochemical detection of DNA hybridization
Brázdilová, P. ; Navrátil, Tomáš ; Josypčuk, Bohdan ; Fojta, Miroslav
The article presents newly constructed 8-channel device, which enables sequential analysis realized on up to 8 different or equal sensors. The device is computer controlled. The screen-printed carbon electrodes (SPCE) were connected to the device. DNA hybridization was detected. DNA present in the sample spontaneously adsorbed on the surface of SPCE and free surface was subsequently blocked using beef serum albumin. The adsorbed DNA was then hybridized with the probe marked with biotin and streptavidin conjugated with enzyme alkaline phosphatase (SALP). This enzyme catalyzes the transformation of electrochemically inactive 1-naphtylphosphateone 1-naphtol, which anodic signal was detected DC voltammetry (DCV).
Electrochemical biosensors for DNA damaging substances. The possibilities of pollutant detection
Fojta, Miroslav ; Havran, Luděk ; Kuchaříková, Kateřina ; Paleček, Emil
Electrochemical methods provide information about DNA damage and its interactions with various substances, including carcinogens or drugs. Using electrochemical DNA biosensors, it is possible to detect these substances in the environment, in biological samples, etc.

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