From Big Medical Encyclopedia

KOKKELYA WAYS (R. Kockel, is mute. court. physician, 1865 — 1934; The N of Kockel, is mute. court. physician, sort. in 1906).

Kokkel I's way

Kokkel I's Way — identification of fibrin in microscopic sections. It is offered in 1899. The cuts exempted from paraffin place for 5 — 10 min. in 1% solution chromic to - you, quickly wash out a dist, water and paint within 15 — 20 min. in lithium hematoxylin of Veygert. Then cuts immerse solution of potash alum where they gain dark blue color in 10%, wash out and differentiate within 3 — 6 min. in divorced mix of Veygert (borax of 0,5 g, red blood salt of 0,6 g, a dist, water of 100 ml). After washing cuts postpone to 15 min. in 10% solution of alum and again wash out. Fibrin gains dark brown or dark blue color; also slime, lime, amyloid, a hyalin, myofibrils, bilious capillaries, blood cells etc.

Kokkel II'S Way

Kokkel II'S Way — unmasking and identification of iron in microscopic sections are painted. It is offered in 1930. Reaction has considerable sensitivity, but is applied seldom in connection with instability of coloring of cuts, and also owing to the fact that one of products of interaction of reactants — gaseous rhodanate hydrogen — is very poisonous.

See also Histologic methods of a research .

Bibliography: Kockel, Eine neue Methode der Fibrinfarbung, Zbl. allg. Path. path. Anat., Bd 10, S. 749, 1899; Kockel H. Histochemische Metallnach-weise, Virchows Arch. path. Anat., Bd 277, S. 856, 1930.

I. E. Hesinonim