1. Terminology related to electrochemical DNA-based biosensors / Jan Labuda -- 2. Electrochemical aptamer-based biosensors / S. Centi, S. Tombelli, and M. Mascini -- 3. Carbon-polymer bio-nano-composite electrodes for electrochemical genosensing / Mara̕ Isabel Pividori and Salvador Alegret -- 4. Gold nanoparticle-based electrochemical DNA biosensors / Mara̕ Pedrero, Paloma Yę̀z-Sedeǫ, and Jos ̌M. Pingarrn̤ -- 5. Nanoparticle-induced catalysis for electrochemical DNA biosensors / Marisa Maltez-da Costa, Alfredo de la Escosura-Muįz, and Arben Merkoi̇ -- 6. Application of field-effect transistors to label-free electrical DNA biosensor arrays / Peng Li, Piero Migliorato, and Pedro Estrela -- 7. Electrochemical detection of basepair mismatches in DNA films / Piotr Michal Diakowski, Mohtashim Shamsi, and Heinz-Bernhard Kraatz -- 8. Electrochemical detection of DNA hybridization : use of latex to construct metal-nanoparticle labels / Mithran Somasundrum and Werasak Surareungchai -- 9. Screen-printed electrodes for electrochemical DNA detection / Graciela Martn̕ez-Paredes, Mara̕ Begoą Gonzl̀ez-Garca̕, and Agustn̕ Costa-Garca̕ -- 10. Synthetic polymers for electrochemical DNA biosensors / Adriana Ferancov ̀and Katarn̕a Benk̕ov ̀-- 11. Electrochemical transducer for oligonucleotide biosensor based on the elimination and adsorptive transfer techniques / Libuse Trnkova, Frantisek Jelen, and Mehmet Ozsoz -- 12. Electrochemical DNA biosensors for detection of compound-DNA interactions / D. Ozkan-Ariksoysal, P. Kara, and M. Ozsoz -- 13. Electrochemical nucleic acid biosensors based on hybridization detection for clinical analysis / P. Kara, D. Ariksoysal, and M. Ozsoz -- 14. Nanomaterial-based electrochemical DNA detection / Ronen Polsky, Jason C. Harper, and Susan M. Brozik -- 15. Electrochemical genosensor assay for the detection of bacteria on screen-printed chips / Chan Yean Yean, Lee Su Yin, and Manickam Ravichandran -- 16. Introduction to molecular biology related to electrochemical DNA-based biosensors / Yalcin Erzurumlu and Petek Ballar.