Histochemistry 1990-01-01

Quantification of the histochemical staining for carbonyles and DNA using 3-hydroxy-2-naphthoic acid hydrazide and fast blue B.

G Nöhammer

Index: Histochemistry 94(5) , 485-8, (1990)

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Abstract

Fixed cells and tissues pretreated with 4-hydroxynonenal were used as models for the histochemical demonstration of protein bound aldehydic groups. The aldehydes were stained with both a modification of the 2,4-dinitrophenylhydrazine method (2,4-DNPH) and the optimized staining using 3-hydroxy-2-naphthoic acid hydrazide and Fast blue B (NAH-FB). A correlation has been found between the specific microphotometric mean integrated maximum absorbance values of cells and tissues stained with 2,4-DNPH and with NAH-FB (cc = 0.999). The maximum absorbance measured after 2,4-DNPH-staining (epsilon 367 = 21,000) were 1.893 +/- 0.072 (P less than 0.01) times that of NAH-FB-staining at 550 nm. Microphotometrically determined DNA-values of different cells stained with the NAH-FB-DNA-method correlated with those determined with methods of analytical biochemistry and published by other authors.

Related Compounds

  • 3-Hydroxy-2-naphth...
  • Fast Blue B Salt

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