Pipette tip biological company supplies: animal serum, fluorescent quantitative PCR consumables, pipette tips, microcentrifuge tubes, imported cryopreservation tubes, cell culture dishes, culture plates, culture bottles, imported tips, instruments and gloves, Chromatography consumables, syringe filters, etc.
The pipette is an experimental instrument in biological research, and its accessories are also used in a huge number of experiments. The tips on the market are basically made of polypropylene plastic (colorless and transparent plastic with high chemical inertness and wide temperature range). However, with polypropylene, the quality can vary greatly: high-quality tips are generally made of natural polypropylene, while low-cost tips are likely to use recycled polypropylene plastic (in this case, how much can we Said its main ingredient is polypropylene).
In addition, most tips will also add a small amount of additives during the manufacturing process, the common ones are:
1. Color material.
Commonly known in the market as the blue tip (1000ul) and the yellow tip (200ul), the corresponding color-developing material is added to the polypropylene (we hope it is a high-quality masterbatch, not a low-cost industrial pigment)
2. Release agent.
Help the suction head to be quickly separated from the mold after forming. Of course, the more additives, the higher the chance of undesired chemical reactions during pipetting. So it is better not to add additives! However, due to the relatively high requirements on the production process, there are very few tips on the market that do not add additives at all.
Specifications of pipette tips:
10ul/20ul/100ul/200ul/1000ul
The function of the suction filter:
Because the tip filter is a disposable filter tip, the biggest role in use is to prevent cross-contamination: Unlike other filter types that contain additives that can inhibit enzymatic reactions, the filtered pipette tips supplied by Bunsen are composed of Made of pure virgin sintered polyethylene. Hydrophobic polyethylene particles prevent aerosols and liquids from being drawn into the pipette.
The filter of the tip cartridge is machine loaded to ensure that it is completely unaffected during the manufacturing and packaging process. They are certified free of RNase, DNase, DNA and pyrogen contamination. Additionally, all filters are radiation pre-sterilized after packaging for enhanced protection of biological samples.
The use of filter tips can be used to prevent the pipette from being damaged by the sample and greatly improve the service life of the pipette.
When to use a tip filter:
When to use tip filter tips? Filter pipette tips must be used in all contamination-sensitive molecular biology applications. Filter tips help reduce the possibility of smoke formation and prevent aerosol contamination, thereby protecting the pipette shaft from cross-contamination. In addition, the filter barrier prevents sample carry-over from the pipette, preventing PCR contamination.
The filter tip also prevents the sample from entering the inside of the pipette during pipetting and causing damage to the pipette.
Why is it necessary to use a tip filter for virus detection?
The virus is contagious. If the filter tip is not used to isolate the virus in the sample during the virus detection process, the virus will be transmitted through the pipette;
Depending on the test samples, filter tips can cause cross-contamination of tissue samples during pipetting.
