blue

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Related to Toluidine blue: methylene blue, toluidine blue dye

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 ?
The torus stains purple with toluidine blue 0, but careful observation shows a blue-green spot in its center (Figure 15).
After the scenario is set, the students are provided with a microfuge tube of stomach contents, small spatulas and transfer pipets, staining dishes, forceps and razor blades, compound microscopes, distilled water, slides and coverslips, Lugol's solution, toluidine blue, and an array of fresh type specimens.
Similarly prepared and stained sections as for light microscopy, and which had been stained with Toluidine Blue, were examined with confocal laser scanning microscopy.
Alternate sections were collected on gelatine coated slides and stained with 1% Toluidine Blue O in 1% Borax.
0-[micro]m) sections were stained with toluidine blue, and photographed with Ektachrome 160T film (Eastman Kodak Co.
Semithin (1 to 2 pm) sections were cut with glass knives on an ultramicrotome and stained with toluidine blue and basic fuchsin for light microscopic examination with bright-field and differential interference contrast optics.
King said she recommends using photography to document injuries; a Wood's lamp to check for semen on clothing; hyperpigmentation from subclinical bruising, bite marks, or strangulation; a microscope to check for sperm; and a colposcope and toluidine blue dye to check for vaginal and perineal lacerations.
A Toluidine Blue is a nuclear stain commonly used in cytopathology to determine the cellularity of body cavity fluids and to search for abnormal cells.
Zila already holds several patents and has additional patent applications pending for the use of a specific dye, toluidine blue 0, or tolonium chloride, for the detection of oral cancer.
Material: Acrylamide (AAm) (Pharmacia LKB 801128-10), Mohr's salt (Merck 3792), and toluidine blue (Aldrich 19.
The LM sections were mounted on glass slides, stained with 1% toluidine blue in 1% [Na.