Zhang, Yi An electrochemical DNA sensor based on a layers-film construction modified electrode. [electronic resource] - The Analyst Oct 2011 - 4204-10 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1364-5528 Standard No.: 10.1039/c1an15526a doi Subjects--Topical Terms: Biosensing Techniques--methodsChitosan--chemistryCysteine--chemistryDNA--analysisDielectric SpectroscopyElectrochemical TechniquesElectrodesFerrosoferric Oxide--chemistryGold--chemistryMagneticsMetal Nanoparticles--chemistryNanotubes, Carbon--chemistryNucleic Acid Hybridization