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Basic dyes
- +vely charged
- dye nuclei and cartilage purple
-
Acidic dyes
- -vely charged
- dye everything else pink
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Trichome dye
dyes collagen green
-
PAS
- used to detect polysaccharides in tissue
- -glycogen stains purple
- -everything else is blue
-
Alcian blue
- Mucin stain
- -stains gels (ie. respiratory tract) blue
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