PCR ( Polymerase Chain Reaction)
SARS-Cov-2, One test type that uses a sample from a nose or throat swab in a 'PCR test'. The goal is to make enough copies of the viral cDNA in order for it to be detectable.
Superyears General 2215 RT-qPCRadopts all-in-one with an industrial art design, combining the Analytical Instrument, Large touch screen, and Computer. General 2215 RT-qPCR is equipped with the proven thermal-cooled electric technology, which can recognize the speed rate of temperature control faster and obtain high-quality testing results within 40 minutes. To ensure the sensitivity and stability of the testing a design with traditional beam path with a susceptible CMOS image sensor is used. In addition, General 2215 supports multiple PCR analysis and High-resolution Melt Curve (HRM) analysis, compatible with the mainstream reagent kit in the market. It will be the best assistant and your preferred RT-qPCR.
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Generally, such low-boiling chemicals should be stored at low temperatures in an explosion-proof refrigerator. Temperature group T1 T2 T3 T4 T5 T6 II A Methane, toluene, methyl ester, ethane, propane, acetone, acrylic acid, benzene, styrene, carbon monoxide, ethyl acetate, acetic acid, chlorobenzene, methyl acetate, ammonia Methanol, ethanol, ethylbenzene, propanol, propylene, butanol, butane, butyl acetate, amyl acetate, cyclopentane, Pentane, pentanol, hexane, hexanol, heptane, octane, cycloethanol, turpentine, naphtha, petroleum (including gasoline), fuel oil, pentanol tetrachloro Acetaldehyde, trimethylamine Ethyl nitrite II B Propyne, acrylonitrile, dimethyl ether, hydrogen cyanide gas Butadiene, ethylene oxide, ethylene, furan Dimethyl ether, acrolein, hydrogen sulfide Dibutyl ether, diethyl ether, ethyl methyl ether, tetrafluoroethylene II C Hydrogen, water gas Acetylene Carbon disulfide Ethyl nitrate 
It provides a way to make more copies of a portion of DNA.
We need to have PCR ingredients that include DNA portion, Buffer solution, Primer+DNA (tap polymerase), and Nucleotides during the preparation step.
In the step of PCR sequence, there are three steps in this section.
Step 1 Denaturation
The addition of heat is needed to separate the two strands of the DNA molecule.
Step 2 Annealing
Temperature, is going to be cool in this step, should allow the primers to bind to the specific segments.
Step 3 DNA Synthesis
To make more copies of the DNA.
Those three steps above keep repeating to make enough copies of the DNA fragments. It is the principle of how PCR machine works.
What should be stored in the explosion-proof refrigerator? What is stored in the explosion-proof refrigerator?
The General Rules for the Storage of Commonly Used Chemical Dangerous Goods is a national mandatory standard, the standard code GB 15603-1995, which stipulates the basic requirements for the storage of common chemical dangerous goods. Products with temperature requirements must be stored in an explosion-proof refrigerator, refer to the following table: