A biochip platform's microarray, a dense, two-dimensional grid of biosensors, is a key element. The sensors are typically placed on flat substrates, either passive (such as silicon or glass) or active (such as micromechanical or integrated electronics devices that carry out or aid in signal transduction). The sensor molecules are covalently bound to the substrate medium using surface chemistry. The success of future Biochips platforms may ultimately depend on the ability to fabricate microarrays, which is a difficult technological and economic challenge. The procedure of positioning each sensor at a specified location on the substrate (usually on a Cartesian grid) presents the biggest production hurdle. Read More- https://coherentmarketinsightsus.blogspot.com/2022/11/there-are-number-of-technologies.html
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