Enzyme-linked immunosorbent assay for quantitative determination of melamine residues. The melamine in the sample was extracted by the extraction solution through homogenization and shaking for immunoassay. First add the melamine enzyme marker, sample extract and standard to the microwells that have been coated with melamine antibody to start the reaction. During the 30-minute incubation process, the melamine in the sample extract competes with the melamine enzyme label to bind the melamine antibody in the microwell. After 30 minutes of incubation, all unbound melamine and melamine enzyme labels in the well are washed away. After washing with deionized water, a clear substrate solution is added to each well, and the bound enzyme label converts the colorless substrate into a blue substance. After incubating for 30 minutes, the reaction was stopped, and the data was read according to the color of each well. According to the standard color, the concentration value of melamine in the sample is obtained.
Family health management is gradually emerging, and hyperbaric oxygen chambers are also gradually entering the public's field of vision. Hyperbaric oxygen chambers can provide convenient home care for family members and improve their quality of life.
DOING hard shell Hyperbaric Oxygen Chamber provides an oxygen rich environment, which can increase the oxygen partial pressure and oxygen content in the human blood, promote cell metabolism, and alleviate symptoms of hypoxia. Meanwhile, sufficient oxygen helps promote tissue regeneration, thereby accelerating wound healing.
The oxygen production principle of DOING high-pressure oxygen chamber is molecular sieve oxygen production. Molecular sieve first compresses and filters the air, and then adsorbs nitrogen from the air under high temperature and pressure, leaving a high concentration of oxygen.
DOING hyperbaric oxygen cabin is equipped with two transparent observation windows, which are well lit and can provide a good visual experience for the personnel inside the cabin. There will be no shortage of light, and the cabin will not lack a sense of security for the personnel inside.
DOING high-pressure oxygen chamber is equipped with automatic and manual pressure relief valves. When the automatic pressure relief valve is not working or there is an emergency situation inside the chamber, the manual pressure relief valve can be used to manually reduce pressure and ensure safety.
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