# Using ccd as a multiplexed sensor for biomarkers

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In the same way that Hard Drive technology can be used to build a multiplexed sensor for biomarkers (literature/202204260848 Using GMR for protein kinetics detection), perhaps it is also possible to leverage existing electronics technology to think about other multiplexing strategies.

One possibility would be to build a sensor on a CCD (or CMOS) chip. At pixel sizes of around 1$$\mu m$$ to 4$$\mu m$$ and millions of them individually addressable, there could be a clear path for on-sensor detectors.

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Aquiles Carattino
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