CELL PROLIFERATION
Direct cell counting

ACID PHOSPHATASE
Lysosomal activity

NEUTRAL RED
Lysosomal activity
Membrane permeability

SULFORHODAMINE B
Cell proliferation
Total protein rate

GLUCOSE
General physiological state
Glucose consumption

MTT/XTT/WST-1
Mitochondrial metabolism
Respiratory toxicity

LDHextracellular
Cellular permeability

LDHintracellular
Cellular metabolism

CRYSTAL VIOLET
Cell proliferation
Nuclear protein rate