List of Articles sensor Open Access Article Abstract Page Full-Text 1 - An electrode immobilized in a graphite matrix with ion pair complex for the determination of diclofenac in pharmaceuticals Zholt Kormosh Iryna Hunka Yaroslav Bazel Open Access Article Abstract Page Full-Text 2 - Design novel optical sensor for determination of bismuth based on immobilization of 4-(4-nitrophenyl)-1-naphthol on a triacetylcellulose membrane Ali Niazi Shiva Karimi Afshar