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On-chip LAMP detection of B. pertussis using purified DNA by a cellphone camera (a) and fluorescence microscopy (b). (c) Gray values measured by ImageJ; (d) Fluorescent intensities measured by a fluorescence microscope. (e) Gel electrophoresis analysis. Lanes 1-3: 100 bp ladder, B. pertussis LAMP products, NC1. The template DNA used was 5 × 106 copies per LAMP zone.
