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Figure 1

From: NutriPhone: a mobile platform for low-cost point-of-care quantification of vitamin B12 concentrations

Figure 1

NutriPhone system for PON vitamin B12 analysis.

(A) System overview showing the custom B12 test strip that accepts and anlayzes whole blood samples, two versions of the smartphone based accessory that accurately read the test strips and smartphone app (B) NutriPhone app for guiding the users step-by-step through the test protocol and displaying the B12 results at the end.

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