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. Author manuscript; available in PMC: 2020 May 21.
Published in final edited form as: Analyst. 2019 Apr 10;144(10):3314–3322. doi: 10.1039/c9an00374f

Figure 6.

Figure 6.

Comparison of quantitative ability of LFA ruler and commercial PSA strips with scanner. (A) The scanning images of commercial strips (Instant-view® PSA Whole Blood/Serum Test) with different PSA concentrations (0, 1, 2, 4, 8, and 12 ng/mL, respectively) using laboratory Gel Doc™ XR+ System (Bio-Rad). (B) The intensity of control line, reference line and test line were analyzed using the Image Lab™ software. (C) The normalization plots of LFA ruler (black square), commercial PSA strips with Bio-Rad scanner (red circle) and Ricoh MP C3004 office scanner (blue triangle).