What do the dry and wet types of biochemical analyzers mean?
When choosing a biochemical analyzer, you often see a dry biochemical analyzer. So what does dry and wet mean? This article will show you the difference between dry and wet biochemical analyzers.
1. The principle of wet chemical method determination is based on Lambert-Beer law. The reaction carrier is an aqueous solution. The incident light is absorbed by the colored reaction product and then weakened. The absorbance reflects the concentration of the measured substance.
Dry chemistry is also known as solid-phase chemistry, which uses solid-phase reagent technology with multilayer thin films. Just add the liquid sample directly to a reagent carrier that has been solidified in a special structure, that is, a dry chemical reagent. Use the water in the sample as a solvent to dissolve the reagent solidified on the carrier, and then mix it with the test component in the sample. Carry out a chemical reaction to perform analysis and determination, and finally obtain the concentration or activity of the object to be measured.
2. The advantages of dry chemistry
High accuracy
Sensitivity and accuracy are similar to typical discrete instruments.
Fast detection
Multi-layer film technology, test immediately after adding sample, short test time
Wide range of applications
Flexible usage scenarios, suitable for clinical laboratory blood stations, primary medical and health institutions, physical examination centers, etc.
Environmental protection and pollution-free
No need to wash, clean and environmentally friendly waste only reagent card, easy to collect and process
Small and light
The instrument has simple structure, small size and light weight
easy to use
No liquid pipeline
Store at room temperature, no need to reheat, long-term stability, no electrode maintenance, no need to replace the electrode membrane
Influencing factors of dry chemical analysis technology
1. Quality Control
2. Storage and use of dry tablet reagents
3. Working environment and temperature
