| 词汇 | fluoresce |
| 释义 | fluoresce verb[ I or L ] science specializedus/flɔːˈres/uk /flɔːˈres/ to absorb light of a short wavelength and produce light of a longer wavelength, particularly when this produces a very bright colour that can be seen in the dark: 发荧光 This material fluoresces under ultraviolet light which makes it easier to identify. The coral fluoresces orange.珊瑚发出橙色的荧光。 Under black light the substance will fluoresce. The eyes of the insect fluoresce green. As these compounds fluoresce under ultraviolet light they are easily detected. These enzymes, obtained from jellyfish, make a protein that fluoresces bright green in UV light. The mineral fluoresces yellow or white under shortwave ultraviolet radiation and orange or red under longwave. The qualities of colour analogous brightly brightness colourful colourfully darkness fluorescent harsh lurid non-complementary non-fluorescent non-yellowing over-bright prismatic psychedelic vibrantly violent vivid vividly vividness You can also find related words, phrases, and synonyms in the topics: Giving out light Examples of fluorescefluoresce Calmodulin in tip-growing plant cells, visualized by fluorescing calmodulin-binding phenothiazines. When the blood spot does not fluoresce, the test is positive; it can be falsely negative in patients who are actively hemolysing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Once the analyte binds, the indicator changes color or fluoresces. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is very soluble in water and some specimens fluoresce under long and short wave ultraviolet light. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their goal was to develop a fish that could detect pollution by selectively fluorescing in the presence of environmental toxins. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They showed either two, three or four fluorescing vesicular nuclei in as many blastomeres. Only objects that fluoresced green and were unmistakably bacillus-shaped were enumerated. Consequently, under staining, live cells fluoresce in the green in contrast to dead cells that fluoresce in the red. This series of dyes was designed to fluoresce at different wavelengths. Intracellular injections were made into fluorescing cells with bevelled microcapillary electrodes. These were identified as blue/green, oxidase-positive colonies that fluoresced under ultra-violet light. Viable parasites were motile and did not fluoresce. Organic composites are seen as clumps of evenly-sized spheres, shown in biochemical tests (anionic and cationic fluorescing dyes) to comprise dead and living cocci (1). A minimum of 500 fluorescing cells with a clear outline and definite cell-shape cells were counted under oil immersion (x1000) in a minimum of 10 randomly chosen fields. Oxonol entry causes retinal cells to fluoresce with a brightness corresponding to internal concentration. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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