The discrete type is a second-generation automatic biochemical analyzer. The main difference from the flow type is that the chemical reaction between each sample to be tested and the reagent mixture is completed in the respective reaction vessels.
A centrifugal automatic biochemical analyzer called the third-generation automatic biochemical analyzer should also be a discrete type. Because in the centrifugal analyzer, each sample to be tested is mixed with the reagent in the respective reaction tank under the action of centrifugal force, and the chemical reaction is completed, and then measured. Centrifugal analyzer belongs to "synchronous analysis". Under the action of centrifugal force, each sample to be tested is mixed with the reagent at the same time, reacted and measured, and the report is made. Other analyzers are "sequential analysis", that is, the samples to be tested are in turn The reagent was mixed and the reaction was measured.
The bag type automatic biochemical analyzer should also be a discrete type. It replaces the reaction tube and the cuvette with a reagent bag, and each sample to be tested reacts in the respective reagent bag and is detected. Another type of "dry automatic biochemical analyzer" is also a discrete type. Its main feature is the use of solid phase chemistry, which is the solid phase of the reagent on a carrier such as film or filter paper. During the measurement, a certain amount of the sample to be tested is distributed on one test piece, and after a certain time, it is measured by a reflection photometer.
The discrete automatic biochemical analyzer is an automatic biochemical analyzer commonly used in various laboratories at present. Generally, the measurement items can be arbitrarily selected, so it is called an optional automatic biochemical analyzer. The following will focus on the optional automatic biochemical analyzer.
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