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. 2016 Apr 14;6:24297. doi: 10.1038/srep24297

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(A) Raw chemiluminescence images of the human chorionic gonadotropin flotation immunoassay (hCG FI), captured by a smart phone (iPhone 6 Plus) camera, using the SlowShutter app showing the color images of 1) PBS and 2) 20 fmol hCG and the isolated blue channel images of 3) PBS and 4) 20 fmol hCG. The PCR tubes holding the FI assay reagents are circled with dashed lines. (B) Quantitative analysis of the isolated blue channel images of the flotation immunoassay for hCG detection. Data represent the mean values ± the standard deviation obtained using three different PCR tubes.