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S-Adenosylmethionine (SAM) ELISA Kit

Catalog Number: MET-5152
Detection sensitivity limit of 0.625 nM SAM Suitable for use with plasma, serum, lysates, and other biological fluid samples SAM standard included   Video: Color Development in an ELISA  

Alanine Assay Kit

Catalog Number: MET-5093
Detection sensitivity limit of 7.8 µM in a standard colorimetric plate reader Suitable for use with lysates, serum, plasma, urine, cell lysates and culture supernatants L-Alanine standard included NOTE: Each sample replicate requires 2 assays for proper data calculation.

NAD+/NADH Assays

Catalog Number: MET-5014, MET-5030
Detects NAD+, NADH, or total NAD+/NADH Compatible with cell or tissue lysates NAD+ standard included

NADP+/NADPH Assays

Catalog Number: MET-5018, MET-5031
Detects NADP+, NADPH, or total NADP+/NADPH Compatible with cell or tissue lysates NADP+ standard included

Zinc Assay Kit (Colorimetric)

Catalog Number: MET-5138
Detect zinc concentrations as low as ~0.4µM Suitable for serum, plasma, urine, cerebrospinal fluid, and cell or tissue lysates Zinc standard included

Aspartate Aminotransferase (AST) Assay Kit

Catalog Number: MET-5127
Suitable for use with tissue lysates, cell suspensions, serum and plasma Includes glutamate standard and AST positive control

Tryptophan Assay Kit

Catalog Number: MET-5177
Detection sensitivity limit of approximately 1.6 µM Tryptophan Suitable for use with lysates, serum, plasma, urine and culture supernatants L-Tryptophan standard included NOTE: Each sample replicate requires 2 assays for proper data calculation.