How does congo red bind to amyloid




















The binding of CR to amyloids CR was the first direct dye for cotton, which did not require a mordant or chemical to fix the colour to the material [ ]. Figure 1. The main hypothetical models of the binding of CR to amyloids A Dye binding mediated by hydrogen bonding between primary hydroxyl groups of the peptide chain similar to the polysaccharide chain and the amino groups of CR Puchtler et al.

Exceptions to the rules There are facts that indicate histochemical staining with CR is non-specific. Figure 2. Conclusion CR, now a classic dye, has played a role in the history of amyloid research. Competing interests The authors declare that there are no competing interests associated with the manuscript.

Funding This work was supported by the Russian Foundation for Basic Research [grant number ]; and the Russian Science Foundation [grant number ]. References 1.

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