
Dna Sequencer

by Science Source
Title
Dna Sequencer
Artist
Science Source
Medium
Photograph - Photograph
Description
Image from an Applied Biosystems Model 373A DNA Sequencer after digital processing and enhancement. Each of the 24 vertical lanes represents a different DNA sample. A DNA sequencer is a scientific instrument used to automate the DNA sequencing process. Given a sample of DNA, a DNA sequencer is used to determine the order of the four bases adenine, guanine, cytosine, and thymine. The order of the DNA bases is reported as a text string, called a read. Some DNA sequencers can be also considered optical instruments as they analyze light signals originating from fluorochromes attached to nucleotides.
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August 4th, 2015
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