DNA Chip & Microarray HQ

DNA Chip & Microarray HQ

DNA microarrays are used in molecular biology to perform numerous genetic tests at the same time.  By allowing parallel processing, the microarray greatly reduces the amount of time required to study new theories or biotech phenomena.  The array itself is made up of a series of microscopic spots of DNA oligonucleotides possessing a specific DNA sequence.  The spots are referred to as features while the sequences are known as probes.  The degree of acceleration is basically determined by the number of probes.

A probe is attached to a silicon chip with a covalent bond from a chemical like an epoxy-like substance. Microscopic beads can also be used.  A DNA array is basically the same as other microarrays.  It just uses DNA as its detection mechanism.  Just like a standard microarray, a DNA array can also suffer from a inaccuracies, in-efficiencies, and production delays from the fabricator.   

 

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