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The mechanisms of action of chemotherapeutics are different, but very often interfere with processes of cell division and can bind onto DNA. The aim of this work was to investigate interactions of antitumour drugs (ellipticine and doxorubicin) with DNA. For these purposes our experiments the screen-printed nanotube carbon electrodes were used. DNA gives oxidation signals for all bases (adenine, cytosine,...
pH micro sensors are nowadays often realized as potentiometric sensors with a metal oxide and a reference electrode. Many used or presented potentiometric pH micro sensors clearly lack in performance due to the used reference electrode. In this work, we describe a micro reference electrode with liquid-junction on chip, which is combined with iridium oxide as pH sensing electrode. The micro-reference...
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