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Figure 1 | Biomarker Research

Figure 1

From: Development of TAP, a non-invasive test for qualitative and quantitative measurements of biomarkers from the skin surface

Figure 1

The Transdermal Analyses Patch (TAP). Panel A: TAP consists of a plaster with a nitrocellulose core that contains the capture antibody micro-array, which is clearly visible in the middle. Panel B: In the lower photo, TAP has been fixed to skin. In the upper photo, it is clearly visible that the layer in between the micro-array and the adhesive layer expands upon contact with fluid. This layer serves as a reservoir for the buffer used for biomarker extraction from skin, as well as to ensure close contact between capture antibody micro-array and skin during extraction.

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