Optimization of cyanine dye stability and analysis of FRET interaction on DNA microarrays

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von der Haar, Marcel; Heuer, Christopher; Pähler, Martin; von der Haar, Kathrin; Lindner, Patrick et al.: Optimization of cyanine dye stability and analysis of FRET interaction on DNA microarrays. In: Biology 5 (2016), Nr. 4, 47. DOI: https://doi.org/10.3390/biology5040047

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Sum total of downloads: 204




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Abstract: 
The application of DNA microarrays for high throughput analysis of genetic regulation is often limited by the fluorophores used as markers. The implementation of multi-scan techniques is limited by the fluorophores’ susceptibility to photobleaching when exposed to the scanner laser light. This paper presents combined mechanical and chemical strategies which enhance the photostability of cyanine 3 and cyanine 5 as part of solid state DNA microarrays. These strategies are based on scanning the microarrays while the hybridized DNA is still in an aqueous solution with the presence of a reductive/oxidative system (ROXS). Furthermore, the experimental setup allows for the analysis and eventual normalization of Förster-resonance-energy-transfer (FRET) interaction of cyanine-3/cyanine-5 dye combinations on the microarray. These findings constitute a step towards standardization of microarray experiments and analysis and may help to increase the comparability of microarray experiment results between labs.
License of this version: CC BY-NC-SA 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Naturwissenschaftliche Fakultät

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downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 124 60.78%
2 image of flag of United States United States 45 22.06%
3 image of flag of China China 9 4.41%
4 image of flag of No geo information available No geo information available 4 1.96%
5 image of flag of France France 3 1.47%
6 image of flag of Ireland Ireland 2 0.98%
7 image of flag of Indonesia Indonesia 2 0.98%
8 image of flag of Austria Austria 2 0.98%
9 image of flag of Czech Republic Czech Republic 1 0.49%
10 image of flag of Australia Australia 1 0.49%
    other countries 11 5.39%

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