The nucleic acid extraction instrument is an instrument that uses the matching nucleic acid extraction reagent to automatically complete the extraction of sample nucleic acid. It has only been applied and popularized in recent years.
Nucleic acid extraction instruments are generally divided into two categories: one is an automatic liquid workstation, and the other is a small automated instrument.
The automatic liquid workstation is a very powerful device. Liquid dispensing and aspiration are automatically completed, and even instruments such as expansion and detection can be integrated to fully automate specimen extraction, amplification, and detection. Extracting nucleic acid is just one application of its function, which is not suitable for routine laboratory extraction of nucleic acid. It is generally applied to a single type of specimen and the amount of specimens extracted at a time is very large (at least 96, generally several hundred). The establishment of the platform of the automatic workstation and the operation of the platform require relatively large funds.
The small-scale automated instruments achieve the purpose of automatically extracting nucleic acids through the special design of the operating structure, and can be applied in any laboratory. In recent years, many models have been put on the market.
According to the different reagents applied, it is divided into two categories: one is the instrument using the magnetic bead reagent, and the other is the instrument using the spin column reagent. The automatic nucleic acid extraction instrument using the magnetic bead method is easy to operate and easy to automate. It is currently the mainstream on the market, such as QAGEN, Lab-Aid 820 and other instruments.
At present, there are many models of small automated acid extractors on the market, but there are very few that can be automated and have practical applications. Customers must be careful when choosing an automatic nucleic acid extractor, and try the actual operation of the prototype before purchasing. It is very important to avoid that the purchased instruments cannot be applied well.
Nucleic acid extraction instrument has been more and more widely used. With the development of science and technology, there will be more instrument products to meet the needs of the laboratory, providing conditions for the complete automation of nucleic acid extraction in each molecular biology laboratory.
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