De oplossing van Van Gieson

De oplossing van Van Gieson is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Microscopy stains & staining solutions, inside Dyes, stains & indicators, in Produits chimiques de laboratoire et industriels.

A microscopy stain binds a structure so it can be seen: haematoxylin on nuclei, eosin on cytoplasm, Gram reagents on a bacterial wall. A ready solution and a dry dye to be dissolved are different articles. The method names the stain. A substitute dye is a different method.

A dye or a stain binds, or changes colour, so that something invisible becomes visible. An indicator changes at a pH or a redox point. A fluorescent dye absorbs one wavelength and emits another, which is how a microscope or a plate reader picks it out. The excitation and emission, or the transition interval, are the specification. The colour name on the label is not. Structures are on PubChem under IUPAC names. Methods are in the PubMed literature.

The category is Dyes, stains & indicators. The sub-category is Microscopy stains & staining solutions. The catalogue is Produits chimiques de laboratoire et industriels.

Shelves beside this one are Fluorescent dyes & labels and Dyes & pigments.

The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.

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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.