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ID 15662
Making GeneChips™ at Affymetrix
Description:
Here you can see a technician shuttling a quartz wafer (containing 50-400 GeneChips™) between alternating photolithography and DNA synthesis steps.
Keywords:
quartz wafer,synthesis steps,dna synthesis,photolithography
This work by Cold Spring Harbor Laboratory is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.Related content:
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- The quartz wafer is in the holding position on the DNA synthesizer. The wafer is moved to a vertical reaction vessel for the process of DNA chain elongation.
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- A technician loads a quartz wafer into the DNA synthesizer, where nucleotides will be added to selected sequences to build probes.
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- A technician uses a computer guiding system to align the filter mask in perfect register with the quartz wafer. The filter mask will block light to selected regions of the wafer. More nucleotides can be added to the exposed regions.
- SOURCE: DNAi
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- Here a technician aligns a quartz wafer, from which 50-400 GeneChips are prepared for mounting.
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