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 (sī′ə-nēn′, -nĭn)
Any of various blue dyes, used to sensitize photographic emulsions to a greater range of light.


(ˈsaɪəˌniːn) or


1. (Dyeing) a blue dye used to extend the sensitivity of photographic emulsions to colours other than blue and ultraviolet
2. (Dyeing) any of a class of chemically related dyes, used for the same purpose


(ˈsaɪ əˌnin, -nɪn)

also cy•a•nin


any of several groups of dyes that make silver halide photographic plates sensitive to a wider color range.
[1870–75; < Greek kýan(os) (see cyano-1) + -ine2]
References in periodicals archive ?
After incubation of the cells in blocking solution with donkey anti-mouse IgG Cy3 conjugated secondary antibody (1:500) (Millipore, USA) for 2 h at room temperature in the dark, the cells were washed with PBS.
Briefly, 120 pg of total protein from each exposed sample and from each control sample was labeled with 400 pmol of the cyanine dyes Cy5 and Cy3 (GE Healthcare), respectively.
The concentration of the purified samples and Cy3 dye incorporation efficiency was evaluated using a NanoDrop 1000 spectrophotometer.
5 [micro]g/mL monoclonal mouse antivimentin conjugated to Cy3 (Sigma-Aldrich, clone V9).
On array 1 and array 3, the exercised muscles were incorporated with Cy3 dye, and on array 2 and array 4, exercised muscles were incorporated with Cy5 dye.
leprae strains (One reference strain and another obtained from clinical samples) by comparative genomic hybridization according to the protocol already standardized in our laboratory Cy 5 labelled DNA of standard strain Thai-53 and Cy3 labelled DNA of a lepromatous leprosy patient was used in the microarray experiments for identification of loci showing variability.
For microarray analysis, total RNA was isolated, labeled with Cy3, and hybridized to Agilent Human Whole Genome microarrays.
In the laboratory, each sample is labeled using red Cy5 and green Cy3 dyes.
The use of an array of serial dilutions of the Cy5 and Cy3 dyes with many of the characteristics of an ideal material was explored to measure scanner performance over a 5-week period.
After isolation of mRNA using Trizol, mRNA from two sources (for example 4th generation 2,4-D and 4th generation control) was labeled with Cy5 and Cy3 using PCR and hybridized to a Drosophila microarray.
This technique involved pre-labeling two protein extracts, using two fluorescent cyanine dyes known as Cy3 and Cy5.