Test tubes, also known as sample tubes or collection tubes, are cylindrical containers generally used in laboratories. They can have different shapes and sizes depending on the applications they are used for.
DNA extraction collection tube
... open the cryopreservation tube containing the protective liquid, fully immerse the cotton swab head in the protective liquid, break off the handle of the sampler, close the lid tightly and shake gently. 3. Put the collection ...
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