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Table 2 Pigments and staining methods

From: Considerations in hiPSC-derived cartilage for articular cartilage repair

 

Non-hematogenous pigment

Hematogenous pigment

Staining

Lipofuscin

Melanin

Chromaffin

Bleach

Sensitive

Sensitive

Weakly sensitive

Resistant

PAS

Positive

Negative

Negative

Negative

Giemsa

Ortho-chromasia (dark blue)

Meta-chromasia (dark green)

Meta-chromasia (red purple)

 

Schmorl’s reaction

Positive

Positive

Weakly positive

 

Berlin blue

Negative

Negative

Negative

Positive (hemosiderin)