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CO-304

JBS Bright Red, Eosin Scarlet

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SKU:
CO-304
Molecular Weight:
624.08 g/mol
Storage Conditions:
RT
Supplier:
Jena Bioscience
CAS Number:
548-24-3
Extra Details:
Crystallization screening with high concentrations of precipitant and salt may lead to the formation of salt crystals. It is quite difficult to make a distinction between these false positives and true protein crystals. Staining of crystals with appropriate dyes is a very straightforward method to differentiate between macromolecular crystals and salt crystals [1]. Protein and salt crystals differ substantially in their solvent content. Small crystal dyes, like JBS Bright Red, are able to permeate the solvent channels of a protein, thus coloring the protein red. In contrast, salt crystals are tightly packed and do not possess large solvent channels. They will therefore remain colourless.
Shipping Conditions:
Ambient