blue

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blue

1. any of a group of colours, such as that of a clear unclouded sky, that have wavelengths in the range 490--445 nanometres. Blue is the complementary colour of yellow and with red and green forms a set of primary colours
2. 
a. a sportsman who represents or has represented Oxford or Cambridge University and has the right to wear the university colour (dark blue for Oxford, light blue for Cambridge)
b. the honour of so representing one's university
3. Brit an informal name for Tory
4. any of numerous small blue-winged butterflies of the genera Lampides, Polyommatus, etc.: family Lycaenidae
5. Archery a blue ring on a target, between the red and the black, scoring five points
6. a blue ball in snooker, etc

blue

[blü]
(optics)
The hue evoked in an average observer by monochromatic radiation having a wavelength in the approximate range from 455 to 492 nanometers; however, the same sensation can be produced in a variety of other ways.

blue

in American flag, symbolizes justice. [Color Symbolism: Leach, 242; Jobes, 356]
See: Justice

Blue

A language proposed by Softech to meet the DoD Ironman requirements which led to Ada. ["On the BLUE Language Submitted to the DoD", E.W. Dijkstra, SIGPLAN Notices 13(10):10-15 (Oct 1978)].
References in periodicals archive ?
Assessment of chromatin maturity in human spermatozoa: useful aniline blue assay for routine diagnosis of male infertility.
A double-blinded comparison of in situ TUNEL and aniline blue versus flow cytometry acridine orange for the determination of sperm DNA fragmentation and nucleus decondensation state index.
Granulosa cells were mostly viable and their nuclei were euochromatic in appearance even in a 1000 [micro]g/ml DSAE concentration and a small population of granulosa cells showed either condensed chromatin after aniline blue staining or apoptotic signs after Ao/Eb staining (Table 1, Figures 1 and 3).
(19) Aniline blue stains lysine rich nucleoproteins, which is another sign of deterioration of chromatin condensation and was shown to correlate with AO staining.
Overall, the Alexander's Stain assay gave the highest estimate of viability (82-99%), whereas viability determined by other methods ranged from 34 to 98% (FCR), 57 to 95% (B & K), and 51 to 88% (B & K + aniline blue), primarily depending on the cultivar and glyphosate treatment.
Inclusion of aniline blue in the medium was useful for distinguishing between true pollen tubes (containing callose) and pollen grains which simply burst.
Pollen viability was high, with [greater than]95% of grains staining darkly with aniline blue dye.
cuspidata plants per selection treatment was analyzed in a drop of aniline blue in lactophenol under a light microscope.
Sperm nuclear instability and staining with aniline blue: abnormal persistence of histones in spermatozoa in infertile men.
Grade A Grade Grade C B Test r p-value r p-value r p-value Sperm function parameters Acridine 0.05 NS -0.06 NS -0.006 NS Orange % (a) Aniline Blue 0.
Aniline Solution([dagger]) Sucrose blue g mg A 84.6 10 B 84.6 10 C 10 D 10 E 56.0 10 Aniline free Solution([dagger]) Water base Methanol DMSO mL A 100 B 100 C 80 20 D 15 75 10 E 57 43 pH Solution([dagger]) adjustment([double dagger]) A [K.sub.2]HP[0.sub.4]/ [K.sub.3]P[O.sub.4] B NaHC[0.sub.3] C NaHC[O.sub.3] D NaHC[O.sub.3] E NaHC[0.sub.3] ([dagger]) Solution D was prepared by mixing water with DMSO and then adding aniline blue and aniline free base.
Pistils were cleared in aqueous clearing medium (136 [micro]W aniline blue and 2.46 M sucrose, pH adjusted to 9.5 with 1 M NaHC[O.sub.3]), mounted between cover slips in sagittal orientation, covered with clearing medium and a cover slip, and analyzed for MMC callose with an Olympus photomicroscope (Olympus America, Inc., Melville, NY) with phase contrast optics and a vertical epifluorescence (UG-1 exciter filter, Y-455 dichroic mirror, L-435 barrier filter) illuminator (Leblanc et al., 1995, Peel et al., 1997).