Tag: Blue
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Evans blue
T-1824 or Evans blue, often incorrectly rendered as Evan’s blue, is an azo dye that has a very high affinity for serum albumin. Because of this, it can be useful in physiology in estimating the proportion of body water contained in blood plasma. It fluoresces with excitation peaks at 470 and 540 nm and an emission peak at 680 nm. Evans blue dye has been used as a viability assay on…
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magical poop paper and the tree it rode in on
Welcome to the fascinating world of fecal forensics! Let’s dive into the delightfully disgusting details of the guaiac fecal occult blood test (gFOBT), a colorful adventure in colon cancer screening! Imagine a special paper that can detect invisible blood in your stool. That’s the gFOBT! Magic Resin It uses guaiac, a compound extracted from Guaiacum…
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Phthalo blue
Copper phthalocyanine (CuPc), also called phthalocyanine blue, phthalo blue and many other names, is a bright, crystalline, synthetic blue pigment from the group of phthalocyanine dyes. Its brilliant blue is frequently used in paints and dyes. It is highly valued for its superior properties such as light fastness, tinting strength, covering power and resistance to the effects of alkalis and acids. It has the appearance of a blue powder,…