Filtered pipette tips, single use laboratory consumables, are designed to prevent contamination and protect both the samples being handled and the pipettes themselves. They are commonly used in molecular biology, microbiology, and other sensitive applications where sample purity and precision are critical.

The pipette tip is constructed from high transparent polypropylene material, taking the form of a long, tube like structure. The inner pipe wall is smooth to prevent leakage and residue. Boxed EO sterilization. It features a lower end with a pipetting opening, an upper end with a placement opening designed to fit onto the receiving part of a pipetting instrument. Near the upper end, there is a circular ridge that runs along a curved path, varying in distance from the lower end at different points of its shape. On the inner surface of this circular ridge, there is a contact region that follows the shape of the ridge. Additionally, there is at least one more ridge extending from a specific point on the circular ridge, reaching from the farthest point from the lower end to the upper end of the tip.

Why use filtered pipette tips?

The filter prevents liquid from splashing accidentally inside the pipette and aerosols from penetrating into the pipette tip cone during pipetting. Perfect for low volume applications in genetic studies, forensics, PCR and radioisotope sampling.

The filter protects from aerosols forming or aspirating viscous or volatile solutions into the barrel which can contaminate and damage the pipette itself. Filtered tips are usually pre-sterilized, non-pyrogenic, and DNase/RNase-free.

What is the purposes?

Contamination Prevention: Filtered pipette tips have a built-in filter, typically made of hydrophobic (water-repellent) materials like polyethylene, which prevents aerosols, liquid carryover, and microbial contaminants from entering the pipette barrel. This is especially important when working with sensitive samples or when handling DNA, RNA, or proteins.

Sample Protection: The filter in the tip prevents the sample from coming into contact with the inner components of the pipette. This minimizes the risk of sample contamination and cross-contamination between samples, ensuring the accuracy and reliability of results.

Aerosol Control: When pipetting volatile or hazardous substances, filtered tips can help reduce the generation of aerosols, which can be a safety concern in the lab.

Accuracy and Precision: Filtered tips are designed to provide consistent and precise sample dispensing, ensuring that the intended volume is delivered with high accuracy. This is crucial for quantitative measurements.

Compatibility: Filtered pipette tips come in various sizes and are designed to fit specific pipette models, ensuring a secure and leak-free connection.

Wide Range of Applications: They are used in a variety of laboratory applications, including PCR, DNA sequencing, cell culture, and molecular biology assays.

Disposable: Filtered pipette tips are typically single-use and disposable. This eliminates the risk of cross-contamination between experiments and simplifies the cleaning and sterilization process.

While using filtered pipette tips, it's essential to follow best practices for pipetting techniques, such as pre-wetting the tip to ensure accurate volume delivery, and to change the tips between samples to prevent cross-contamination.

Filtered pipette tips are available from various manufacturers and in different styles to accommodate different research needs. Researchers should choose the appropriate type and quality of filtered tips based on the specific requirements of their experiments.

What are the Advantages?

Precision and Accuracy - Pipette tips are crafted with meticulous precision using advanced manufacturing methods, guaranteeing a seamless interior surface.

Exceptionally Low Adsorption - The inner tube walls exhibit ultra-low adsorption properties, safeguarding the precision of experimental outcomes.

Enhanced Leak Resistance - Employing a soft cone design enhances the seal between the pipette and the pipette tip, eliminating any air leaks or backflow.

Efficient Filtration - The incorporated filter element effectively prevents sample cross-contamination stemming from aerosol exposure.

What are they suitable for?

1. Molecular biology: Boxed pipette tips are used in molecular biology applications such as DNA sequencing, PCR, and cloning. They are critical for accurately dispensing small volumes of reagents and samples.

2. Cell culture: Boxed pipette tips are used in cell culture applications such as cell seeding, media changes, and harvesting. They are essential for preventing contamination and ensuring the sterility of cell cultures.

3. Microbiology: Boxed pipette tips are used in microbiology applications such as bacterial and fungal culture, antibiotic susceptibility testing, and antimicrobial assay. They are crucial for avoiding contamination and ensuring the accuracy of results.

4. Chemistry: Boxed pipette tips are used in chemistry applications such as analytical chemistry, pharmaceuticals, and food analysis. They are essential for accurately measuring and dispensing reagents and samples.

The importance of tip quality and compatibility

Now that you understand the criteria for selecting the appropriate type of tip, it's essential to emphasize the significance of tip quality and compatibility. Inferior quality or ill fitting pipette tips can significantly undermine the consistency of your outcomes. Consequently, you may find yourself having to replicate experiments, resulting in the expenditure of valuable time and resources. Moreover, the repetition of experiments necessitates more pipetting, which can exert additional strain on your arm, wrist, and fingers, particularly if you are using inadequately fitting tips that require considerable attachment and ejection forces. This heightened physical strain may ultimately lead to repetitive strain injuries.

How to Identify a Suitable Tip for Your Pipette?

It's crucial to recognize that tip shapes are not standardized, meaning that not all tips will be compatible with your specific pipette model. The best practice is to exclusively utilize tips endorsed by your pipette manufacturer. In cases where you must use non-recommended tips, a gravimetric assessment should always be conducted to verify their performance and ensure the generation of dependable results.

Yongkang medical uses high quality materials such as polypropylene or polystyrene to produce tips that are resistant to chemicals and can withstand a wide range of temperatures. We design our filter pipette tip to be compatible with a range of pipettes, and we offer a variety of sizes and shapes to accommodate different types of samples and volumes. We also produce boxed filter pipette tips, which are packaged in boxes or racks for convenience and ease of use. Yongkang medical is a senior china filter pipette tip manufacturer, we provide bagged filter pipette tip and boxed filter pipette tip for sale, contact us to get filter pipette tips’price.