Fine-granular cationic iron colloid - Its preparation, physicochemical characteristics and histochemical use for the detection of ionized anionic groups

S. Seno, M. Akita, Toshiro Ono, T. Tsujii

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In order to obtain distinct and reliable information concerning the localization of ionized anionic groups in tissues, fine-granular cationic ferric hydroxide colloid solution (Fe-Cac-f) was newly devised. This can be obtained by boiling a mixture of ferric chloride and ammonium cacodylate solutions. the colloid particles of Fe-Cac-f are about 1.0 nm in size, i.e., one-fifth of the size of ferric cacodylate colloid (Fe-Cac; Seno et al. 1983a). As with Fe-Cac, Fe-Cac-f particles in the pH range of 1.6-7.6 carry a positive electric charge, but the latter show a better permeation of tissues. Using the Prussian blue reaction, Fe-Cac-f gives a distinct deep-blue color and can be used for the detection of anionic groups of acid mucopolysaccharides and proteins by light microscopy. It is also useful for detecting the exact sites of ionized anionic groups in deep tissue areas using electron microscopy.

Original languageEnglish
Pages (from-to)307-312
Number of pages6
JournalHistochemistry
Volume82
Issue number4
DOIs
Publication statusPublished - Jul 1985
Externally publishedYes

Fingerprint

colloids
Colloids
Cacodylic Acid
Iron
iron
Prussian Blue Reaction
ferric hydroxide
electrical charges
glycosaminoglycans
Glycosaminoglycans
boiling
Ammonium Compounds
light microscopy
Microscopy
electron microscopy
Electron Microscopy
Color
Light
Acids
color

ASJC Scopus subject areas

  • Anatomy

Cite this

Fine-granular cationic iron colloid - Its preparation, physicochemical characteristics and histochemical use for the detection of ionized anionic groups. / Seno, S.; Akita, M.; Ono, Toshiro; Tsujii, T.

In: Histochemistry, Vol. 82, No. 4, 07.1985, p. 307-312.

Research output: Contribution to journalArticle

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