Dubasova Anastasia Е. RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia aedubasova@gmail.com Author's articles Electroanalytical Properties of Non-modified and Polyaniline Modified Solid Contact Cefazolin Selective Sensors “Electronic tongue” multi-systems for the separate determination of cefotaxime and cefazoline