Xu, Haixu Ultrasensitive and rapid count of Escherichia coli using magnetic nanoparticle probe under dark-field microscope. [electronic resource] - BMC microbiology 09 2018 - 100 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1471-2180 Standard No.: 10.1186/s12866-018-1241-5 doi Subjects--Topical Terms: Antibodies, Bacterial--chemistryBacterial Load--methodsBacteriological Techniques--methodsBiosensing Techniques--methodsEscherichia coli--isolation & purificationEscherichia coli Infections--microbiologyFood Contamination--analysisFood MicrobiologyGold--chemistryLimit of DetectionMagnetite Nanoparticles--chemistryMetal Nanoparticles--chemistryMicroscopy--methodsSensitivity and Specificity