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For the calibration of in-vitro diagnostic methods for the direct quantitative determination of HDL Cholesterol and LDL Cholesterol in serum.

DMA's HDL Cholesterol and LDL Cholesterol calibrator is intended for the calibration of in-vitro diagnostic methods for the direct quantitative determination of HDLC and LDLC in serum.

For the quantitative determination of Triglycerides in serum and plasma. Triglyceride measurements are used in the diagnosis and treatment of patients with diabetes mellitus, nephrosis, liver obstruction, other diseases involving lipid merabolism, or various endocrine disorders. Elevated serum triglyceride levels are seen in primary disorders of lipid metabolism or hyperlipoproteinemia secondary to known diseases. Furthermore, in conjunction with high-density lipoprotein and total serum cholesterol, a triglyceride determination provides valuable information for the assessment of coronary heart disease risk. The clinical significance and management of hyperlipoproteinemia depends on the triglyceride distribution among the major serum lipoproteins.

DMA's Triglyceride (GPO) Procedure is intended for in vitro diagnostic use for the quantitative determination of triglycerides in human serum or plasma. It is quite similar to many other assays which have long been used for this purpose.

For in-vitro diagnostic use. For the quantitative determination of gamma glutamyltransferase in serum.

The method is based on the reaction wherein gamyl glutamyltransferase catalyzes the transfer of the glutamyl group from L-g-glutamyl-3-carboxy-4-nitroanilide to glycylglycine with the formation of g-glutamylglycylglycine and 5-amino-2-nitrobenzoate. The rate of increase of 5-amino-2-nitrobenzene, which absorbs light at 405 nM. is proportional to the gamma glutamyltransferase activity in the sample.