Pipette Tips are disposable, autoclavable attachments for the uptake and dispensing of liquids using a pipette . Micropipettes are used in a number of laboratories. A research/diagnostic lab can use pipette tips to dispense liquids into a well plate for PCR assays.
How do I choose pipette tips?
It is important to ensure that the tip you are considering will fit your pipettors. You shouldn’t have to force the tip onto the pipette, it should grab and stay in place with little to no force required. Most pipette tip brands will have a compatibility chart which will help you to choose an appropriate tip.
Who makes pipette tips?
Mettler-Toledo . Manufacturer of pipette tips made from 100% virgin polypropylene. Low retention, large volume, extended length, wide orifice, filter, ion exchange and desalting pipette tips are offered. Available in various sizes, styles and packaging options.
Why are there no pipette tips?
The humble pipette tip is tiny, cheap, and utterly essential to science. ... But now, a series of ill-timed breaks along the pipette tip supply chain — spurred by blackouts, fires, and pandemic-related demand — have created a global shortage that is threatening nearly every corner of the scientific world.
What are the 3 rules of pipetting?
- pipette with a slow, smooth action;
- hold the pipette vertically when drawing liquid in;
- immerse the tip only slightly when drawing liquid in—otherwise, you’ll coat the tip with liquid, which will be transferred along with the volume inside the pipette;
Are pipette tips nuclease free?
Pipette tips and tubes (including PCR tubes, microcentrifuge tubes, and conical tubes) are an easily overlooked source of ribonuclease (RNase) contamination. Each lot of Ambion brand tips and tubes undergoes rigorous testing and is nuclease-free. ...
Are all pipette tips the same size?
Universal or Pipette-Specific Tips
Universal tips are designed to fit securely and tightly around all pipette barrels, which vary slightly in diameter from manufacturer to manufacturer. But of course, all universal tips are not made equal , so you must carefully examine the choices.
What is a pipette bulb?
Flexible, variable-capacity bulbs that are squeezed to create a vacuum or apply pressure to the liquid contents of pipets to collect, transfer, and dispense liquids; available in various styles and materials.
What are pipettes made of?
The first simple pipettes were made in glass , such as Pasteur pipettes. Large pipettes continue to be made in glass; others are made in squeezable plastic for situations where an exact volume is not required. The first micropipette was patented in 1957 by Dr Heinrich Schnitger (Marburg, Germany).
Can these pipette tips be washed and reused again?
Yes . Conical tubes and even pipette tips can be washed and/or autoclaved and reused. Pipette tip boxes can be repurposed to hold other lab supplies or as containers for Western blots.
How many pipette tips are used?
The volume of microliters each tip can hold varies, 0.5-10μL, 2-20μL, 20-200μL, and 200-1000μL (1mL) are the four standard tips .
Why is there a shortage in plastic?
Raw Material Shortages Plus High Demand Disrupts Production
This shortage has hit plastic product manufacturers very hard. Plastics supplies were tight even before Winter Storm Uri’s disastrous effects on US production. ... The market is unable to supply the current US demand for plastics.
How accurate is a pipette?
A pipette is accurate to the degree that the volume delivered is equal to the specified volume . ... A pipette can be consistently inaccurate but this inaccuracy could be very precise, for example if a pipette reads consistently low.
