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DNA Double-Strand Break Assay

Catalog Number: STA-321, STA-321-T
Detects phosphorylation of histone H2A.X See immunofluorescence in about 3 hours DNA double-strand break inducer included

Ras Activation ELISA

Catalog Number: STA-440
Raf1 RBD detects only the active form of Ras Convenient 96-well strip-well format   Video: Color Development in an ELISA

Ammonia Assays

Catalog Number: MET-5086, MET-5181
Detects as low as 12.5 µM ammonia (colorimetric) or 6.25 µM ammonia (fluorometric). Measures ammonia levels within urine, cell lysates, or tissue homogenates Provides sufficient reagents to perform up to 100 assays (colorimetric) or 200 assays (fluorometric), including blanks, ammonia standards…