Thursday, May 14, 2009

Tips on Pipette Tips

There are many styles of micropipette tips available to the researcher. There are gel loading tips which are meant for loading samples on to electrophoresis gels. Aerosol barrier filter pipette tips are used for protecting the micropipettor from the volatile components of the sample. Pyrogen free/RNase/DNase free tips are used in DNA research. Positive displacement pipette tips are for sticky or viscous fluids. Typical pipette volume ranges are: 0.5-20ul, 2-200ul, 50-1000ul, and 1ml -5ml. Micropipette manufacturers such as Axygen, Thermo (Finntip), Eppendorf, and Labnet supply ul pipette tips specific for their brand. There are scientific suppliers such as Labcon and Brandtech who manufacture their tips to fit many brands of pipettors.

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