What are the unique advantages of Filtered Pipette Tips in preventing cross contamination?

The unique advantages of Filtered Pipette Tips in preventing cross contamination are mainly reflected in the following aspects:
Filter design:
Filtered Pipette Tips add a filter to the top of the tip. This filter is usually made of medical-grade polypropylene and has an optimized pore size.
The existence of the filter not only ensures a good barrier effect, but also has good air permeability, allowing gas to pass through and effectively preventing the passage of liquid or aerosol particles.
Preventing aerosol contamination:
In scenarios where aerosol contamination is prone to occur, such as molecular biology experiments, filter tips can effectively prevent pipette contamination.
Especially in related experiments such as pathogen detection, the filter design can better protect the safety of the experimenter.
Blocking liquid reflux:
When liquid refluxes into the pipette or liquid enters the pipette due to misoperation, the filter can effectively block and protect the sample from contamination.
This is crucial to ensure the accuracy of the experiment and the purity of the sample.
No pyrogen, no enzyme contamination:
Filtered Pipette Tips are usually pyrogen-free, DNase-free, RNase-free, and PCR inhibitor-free. These characteristics further ensure that the experimental process is contaminant-free.
Improve pipetting accuracy:
The internal design of the filter tip is smooth, which can effectively reduce adsorption and reagent residue, thereby improving the accuracy of pipetting.
This is especially important for experiments that require high-precision pipetting.
Universal adaptability:
Filtered Pipette Tips are usually compatible with a variety of common brands of pipettes, such as Eppendorf, Thermo Fisher, Rainin, etc.
This versatility allows experimenters to choose the appropriate pipette to use with the filter tip as needed, which improves the flexibility and convenience of the experiment.
In summary, Filtered Pipette Tips perform well in preventing cross-contamination through its unique filter design, ability to block liquid backflow, no pyrogen and no enzyme contamination, and improved pipetting accuracy. These advantages make filter tips one of the indispensable and important tools in the laboratory.