4 Functions of Rotary Shaker Based on Its Types
- 15, Oct 2021 13:37
When conducting research or testing in the laboratory, instruments are needed to support the process. When we are carrying out the homogenization process, an instrument such as an Erlenmeyer flask, tubes, or other containers is needed. The homogenization process also needed a supporting device like a rotary shaker. It works by moving an attachment plate with a constant rotating motion to shake the sample solution inside containers at a specified temperature and a certain time.
Rotary shakers are divided into several types, such as vortex mixers, incubator shakers, and orbi-shakers. These types of rotary shakers have their respective functions. The following are the 4 functions of the three types of rotary shakers in carrying out the homogenization process that you need to know:
Homogenize a Solution
Basically, all types of rotary shakers function to shake and mix chemicals at a constant speed and temperature so that the solution becomes homogeneous and evenly distributed. Meanwhile, in research or experiments in the field of biochemistry, usually a rotary shaker is used for microbial incubation, for example bacteria in liquid media. One type of rotary shaker that is generally used to homogenize the solution is the vortex mixer. This type of rotary shaker homogenizes the solution which is placed in a small container like test tubes or microtubes.
Homogenize the Solution with High Viscosity
Still with a vortex mixer. Vortex mixers are further divided into several types, there are types of vortex mixers that are equipped with a horizontal board base. This pedestal is used to put the liquid container to be homogenized, the containers can be a beaker, Erlenmeyer flask, or a collection of test tubes. Vortex mixers have movements, swing angles, and vibration speeds that are quite variable, that's why a vortex mixer can be used to homogenize a solution with a fairly high viscosity level or a density solution.
Rotary shakers are also present in the incubator shaker type. As the name implies, the incubator shaker is a combination of a shaker and an incubator. As a shaker, the rotary shaker function is certainly capable of creating vibrations. Then, as an incubator, it functions to be able to maintain certain conditions needed for the incubation process of microbes or DNA. Not only that, the shaker incubator also has a dual function, i.e. being able to homogenize nutrients and maintain the necessary conditions for microbial growth.
Homogenize the solutions at low temperature
Some solutions require low temperature conditions to carry out a homogeneous process. In this case, you can use one type of rotary shaker, called the orbi-shaker. This tool applies circular vibrations at a relatively slower speed when compared to other types of rotary shakers, which is only around 25-500rpm. Because the speed is relatively low, the vibration is also low. In fact, not only the speed and vibration, but the resulting temperature also tends to be lower. Orbi-shaker is very suitable for use in conducting microbial culture processes.
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