Filter tips
Filter tips protect samples and pipettes from contamination using hydrophobic filters. They are essential for sensitive molecular biology applications and infectious materials.
Product
Filter tips
Filter tips protect samples and pipettes from contamination using hydrophobic filters. They are essential for sensitive molecular biology applications and infectious materials.
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Milian SA
Vitaris AG
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Guide and selection support
Filter tips are used wherever the highest level of cleanliness is required during pipetting, for example in PCR, blood or virus samples. The integrated hydrophobic filter prevents the transfer of aerosols and liquids between the sample and the pipette shaft.
When selecting filter tips, compatibility with the pipette, filter properties, and sterility are crucial factors. Material compatibility and tip volume are also important for safe sample handling.
LabFinder provides a precise overview of filter tips with various filter types and volume capacities, helping to find the right solution for different laboratory processes and thus minimizing contamination risks.
Applications and Benefits
Filter tips are primarily used in liquid handling to prevent contamination of both the sample and the pipette during pipetting. The hydrophobic filter inside the tips ensures that neither aerosols nor liquids can be transferred between the pipette shaft and the sample. This is particularly important for sensitive methods such as polymerase chain reaction (PCR), molecular biology analyses, handling infectious samples like blood, bacterial or viral material, and radioactive liquids. This safeguards both sample integrity and pipette functionality over the long term.
Selection Criteria
The most important selection criteria for filter tips include compatibility with existing pipette models and suitable volume options. The quality of the filter, especially its hydrophobic characteristics, is crucial for protection against aerosols and liquid transfer. Sterility and purity are especially relevant in molecular biology applications. In addition, the tip material is important to avoid chemical interactions with the sample. Also consider the fit for the respective pipette size and desired volume.
Variants and Measuring Principles
Filter tips primarily differ in the type of filter, which is usually hydrophobic to effectively prevent liquid transfer. They are available as sterile or non-sterile versions, depending on requirements. The filter material mechanically and physically prevents aerosol formation and backflow into the pipette. Tip volumes range from a few microliters to several milliliters, depending on the application and suitable pipetting volume.
Calibration and Maintenance
Filter tips are consumables that do not require calibration. They should be stored dry and clean to prevent material changes and contamination. Correct handling and regular use protect against impurities. Ensure the filters are visibly intact and undamaged to maintain sample protection.
Limitations of Application
Filter tips effectively protect against aerosols and liquid transmission but are not comprehensive protection against all forms of contamination in the laboratory. They do not provide security against improper pipette handling or tips that are already contaminated. Additionally, they are not universally suitable for all chemical media, especially with aggressive solvents or high temperatures. Always check the material compatibility.
Search Terms and Related Concepts
Filter tip, pipette tip with filter, filter tips, filter cone, hydrophobic tips, aerosol filter tip, sterile filter tip, PCR filter tips, micropipette tips with filter, molecular biology tips, contamination protection, pipetting, hydrophobic filter, aerosol prevention, molecular analysis, blood samples, virus samples, radioactive liquids.
Also known as
Aerosol filter tip
Filter cone
Filter tip
Hydrophobic tips
Micropipette tips with filter
Molecular biology tips
PCR filter tips
Pipette tip with filter
Sterile filter tip
Related categories
Suitable brands
Frequently asked questions
How does a filter tip work during pipetting?
A filter tip contains a hydrophobic filter that prevents aerosols and liquids from passing from the pipette shaft to the sample or vice versa during pipetting. This prevents contamination of both the sample and the pipette.
In which laboratory applications are filter tips especially important?
Filter tips are particularly important in molecular biology techniques such as PCR, in handling infectious material like blood and viruses, and when dealing with radioactive liquids to securely avoid contamination.
What should you consider when choosing filter tips?
Relevant factors include compatibility with the pipette, tip volume, filter quality and hydrophobicity, sterility, and material compatibility with the sample. Accurately fitting tips minimize the risk of pipetting errors and contamination.
How should filter tips be stored and handled?
Filter tips should be stored dry, clean, and protected from contamination. Minor filter damage should be avoided as this can compromise contamination protection.
What are the limitations of filter tips in contamination protection?
Filter tips do not provide absolute protection if handled incorrectly or if materials are already contaminated. They are not suitable for all chemical substances or extreme conditions, so material compatibility must be checked.
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