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Nile red (also known as Nile blue oxazone) is a lipophilic stain. Nile red stains intracellular lipid droplets yellow. In most polar solvents, Nile red will not fluoresce; however, when in a lipid-rich environment, it can be intensely fluorescent, with varying colors from deep red (for polar membrane lipid) to strong yellow-gold emission (for neutral lipid in intracellular storages).
They settled on nile red, a compound for dyeing used in biochemistry, as it sounded good and did not sound much like a chemical. A second channel, NileBlue, was created in 2016 to showcase more casual projects than the main channel, and a shorts channel, NileRed 2 (formerly NileRed Shorts), was created in 2021.
Red Nile. Below the confluence with the Blue Nile the only major tributary is the Atbarah River, ... adding greatly to the White Nile's color. [48] Yellow Nile.
Pigment red is the color red that is achieved by mixing process (printer's) magenta and process (printer's) yellow in equal proportions. This is the color red that is shown in the diagram located at the bottom of the following website offering tintbooks for CMYK printing: Tintbooks - Get Accurate CMYK Color Results For Your Printing Projects.
The sample or frozen sections is/are fixated in formaldehyde, then immersed for 20 minutes in the Nile blue solution or 30 sec in nile blue A (1% w/v in distilled water) and rinsed with water. For better differentiation, it is dipped in 1% acetic acid for 10–20 minutes or 30 sec until the colors are pure. This might take only 1–2 minutes.
On January 15, the Food and Drug Administration (FDA) officially banned Red No. 3, a color additive used in food, beverages, and ingested drugs in the U.S. This decision comes almost three years ...
The majority of these pots are variations of the Egyptian hes-jar form and feature red bodies with black tops and interiors. [1] The red color is derived from the natural iron that occurs within Nile silts which oxidizes upon firing, and the black top and interior is a product of reduction firing and carbon smudging. [2]
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