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(A) Schematic demonstrating the design of our mobile phone–based microscope. (B) Photos of the mobile phone microscope. (C) Quantification of spatial resolution using U.S. Air Force (USAF) test resolution chart. (c-i), an image of USAF chart taken using the mobile microscope; (c-ii), zoomed in region of USAF chart shown in c-i. (D) An image of Schistosoma haematobium eggs on the membrane captured using our mobile phone–based microscope.
