Figure 4 | Scientific Reports

Figure 4

From: Ultrasensitive detection of vital biomolecules based on a multi-purpose BioMEMS for Point of care testing: digoxin measurement as a case study

Figure 4

Schematic description of the image processing algorithm developed for the proposed UOM bio-platform. Note that (i) shows the single reference image \((I_{r} )\) with the corrugated optical pattern and the threshold line, (ii) represents profiles of the red pixel intensity \(\left( {P_{i} } \right)\) and the reference profile \(\left( {P_{r} } \right)\) and (iii) illustrates the calibration curve of the proposed BioMEMS sensor plotted by position shifts of the red pixel intensity profiles (due to various concentrations).

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