Scientific Freeze Dryers are important units of equipment that scientists use in their research. In this lesson, we are going to find out how these freeze dryers operate and why they are used in scientific research.
Freeze drying extracts moisture from food or other materials without employing heat. This way, the content remains fresh for extended period. However, in a laboratory freeze dryers, the product is first frozen, and then placed in a vacuum chamber. The vacuum chamber sucks out the air around the material. This causes the frozen water in the material to transform directly into a gas, bypassing the liquid phase. This process is known as sublimation.
Scientists rely on freeze dryers, like those used to create Salk’s vaccine. They are used to preserve samples such as bacteria, viruses and other biological substances. By removing the moisture from these samples, scientists can store them safely for use down the road without fear of them going bad. In medicine, freeze dryers are also employed to produce powders that are convenient to store and transport.
When it comes to choosing a laboratory freeze dryer there are a couple things to consider. First you have to think about the size of sample you are going to be working with. While some freeze dryers are large and able to hold larger samples, others are smaller and suitable for tiny amounts. You also have to consider how much automation you want. There are some freeze dryers that have more complicated methods of drying which are less successful. Finally, think about your budget, and pick a freeze dryer within your means.
Many of the capabilities of a new laboratory freeze dryer make them a little more intuitive to use. And some have touchscreen controls to make it easy to program the drying settings. Others have sensors that monitor the drying progress and alert you if something is off. Most modern freeze dryers are energy efficient, saving you money on your electricity bill, as well. But these qualities also have the side effect of making freeze drying easier for scientists.
To protect the best possible function and service life of your laboratory freeze dryer, it requires to be operated and cleaned conscientiously. Keep the freeze dryer clean and remove any leftovers from drying. Inspect the seals located around the vacuum chamber and ensure they are in good condition. If you notice any issues with your freeze dryer, get in touch with BOLAIKE for assistance. Taking care of freeze dryer maintenance allow it to perform optimally for your research.
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