Figure 7 | Scientific Reports

Figure 7

From: Recurrence monitoring for ovarian cancer using a cell phone-integrated paper device to measure the ovarian cancer biomarker HE4/CRE ratio in urine

Figure 7

Overview of the smartphone quantification system. (A) Image of the prototype components (lens, cell phone attachments and strip cassette). (B) A CAD model providing an overview of the components used in developing the system. (C) Schematic of the test-strip holder indicating the color detection scheme and the red boxes (arrows) indicate the region of interest (ROI) for HE4, for background reference, and a ROI for CRE.

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