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How do autoanalyzers perform many chemical blood tests on a small serum sample?

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Autoanalyzers perform multiple chemical blood tests simultaneously on a small serum sample through a highly efficient, automated process.12

The machine automatically draws the serum specimen from a test tube and propels it through narrow-diameter plastic tubing. As the sample moves through the system, it is divided into smaller portions, and appropriate reagents are added to each to trigger specific chemical reactions. These reactions result in the formation of a measurable product, which is then analyzed using a photoelectric instrument.2

The resulting data is often fed automatically into a computer, providing a direct reading of the serum concentration for various substances, which can then be printed for clinical review. This technology allows for the simultaneous measurement of up to 20 or more enzymes or a dozen different chemical constituents from a single, small sample, significantly increasing the speed and capacity of laboratory diagnostics.21