Abstract:Gastrointestinal disorders caused by ingestion of (oo)cysts of Cryptosporodium and Giardia is one of the major health problems in developing countries. We developed a smartphone based microscopic assay method to screen (oo)cysts of Cryptosporodium and Giardia contamination in vegetable and water samples. We used sapphire ball lens as the major imaging element to modify a smartphone as a microscope. Imaging parameters such as field of view and magnification, and image contrast under different staining and illum… Show more
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