Kertakäyttöpipetinkärkiä

Kertakäyttöpipetinkärkiä, often referred to as disposable pipette tips, are essential consumables in many scientific and laboratory settings. They are small, hollow plastic tubes that attach to the end of a pipette, a common laboratory tool used to transfer precise volumes of liquids. The primary purpose of using disposable tips is to prevent cross-contamination between samples and solutions, ensuring the accuracy and reliability of experimental results.

These tips are typically manufactured from inert plastics, such as polypropylene, which are resistant to most chemicals and solvents found in laboratory work. They come in a wide variety of sizes and shapes, designed to fit different types of pipettes and to accommodate various liquid volumes. Some common types include standard tips, filter tips (which contain a porous barrier to prevent aerosols from entering the pipette), and sterile tips (individually wrapped or in sterile racks for aseptic techniques).

After each use, the pipette tip is discarded, hence the term "kertakäyttö" or disposable. This practice is crucial for maintaining the sterility of reagents and samples, especially in fields like molecular biology, microbiology, and clinical diagnostics where even minute contamination can invalidate experiments or lead to misdiagnosis. The use of disposable tips simplifies laboratory workflows by eliminating the need for tedious and time-consuming cleaning and sterilization of reusable pipetting equipment. Their widespread availability and relatively low cost make them a practical and indispensable component of modern laboratory practice.