PHƯƠNG PHÁP NHUỘM�HE
PHƯƠNG PHÁP NHUỘM HE
PHƯƠNG PHÁP NHUỘM
(Hematoxylin & Eosin)
Hematoxylin – nhuộm nhân
Eosin – nhuộm bào tương
HEMATOXYLIN
KIỂU NHUỘM HE
REGRESSIVE
Staining Systems
(Progressive v/s Regressive)
PR0GRESSIVE
Staining Systems
(Progressive v/s Regressive)
Regressive:
Stain Regress
(Harris hematoxylin)
Progressive:
Stain Rinse
(Mayer’s, Gill’s I & II)
Continue staining
Continue staining
Basic Chemistry
Differentiation
Differentiation
from the nuclei and dull the crispness.
BLUING
CHÚ Ý
EOSIN
(Eosin)
(pH effects)
giảm đáng kể.
Dưới mức pH 4 cũng không tối ưu.
Relationship of pH and charge
pH of dye solution
(+) charge on tissue
Low pH solutions increase the number of
charged groups within the tissue
Relationship of pH and charge
pH of dye solution (+) charge on tissue
High pH solution decreases the number of charged
groups within the tissue
The H and E Stain
(balance of coloration)