Acidic dye
Acidic Dye
Acidic dye (pronunciation: /əˈsidik dī/) is a type of dye that is typically applied to proteins and other substances with a positive charge. The term "acidic" refers to the dye's ability to function at a low pH level.
Etymology
The term "acidic dye" is derived from the word "acid", which comes from the Latin word acidus, meaning "sour", and the Old English word deah, meaning "color". This is in reference to the dye's ability to function in an acidic (or low pH) environment.
Related Terms
- Basic dye: A type of dye that is typically applied to substances with a negative charge.
- pH: A measure of the acidity or alkalinity of a solution.
- Protein: A complex molecule composed of amino acids that is essential for the structure and function of all living cells.
- Dye: A substance used to add color to materials.
Usage
Acidic dyes are commonly used in biology and medicine for staining cells and tissues in order to observe them under a microscope. They are particularly useful for highlighting negatively charged components of cells, such as nucleic acids and certain types of proteins.
See Also
External links
- Medical encyclopedia article on Acidic dye
- Wikipedia's article - Acidic dye
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