Help for difficult-to-pipette samples

Thermo Fisher Scientific
Friday, 13 November, 2020



Have you ever tried pipetting a viscous solution, only to find that your pipette could not accurately draw up the solution? Have you worried about damaging fragile cells or unstable molecular complexes when pipetting?

If you are working with samples that are difficult to pipette or can be damaged by pipetting, you should consider using wide bore pipette tips.

Wide bore pipette tips

Wide bore pipette tips are equipped with a distal end orifice that is nearly 70% larger than that of a standard pipette tip. These tips provide the flexibility required for handling difficult-to-pipette samples.

Thermo Scientific™ ART™ Wide Bore Pipette Tips seal when exposed to potential contaminants, trapping them inside the barrier.

They are especially useful for the following applications:

Viscous samples

For those working with viscous solutions like milk, cream & yoghurt, the wider opening allows thicker, more viscous liquids to pass through by lowering the pressure needed for movement through the orifice and into the shaft of the tip.

Particulate samples

Using a wide bore pipette tip for samples that have particles (e.g., environmental/food-derived samples, beads, etc.) can prevent blockage in the distal end of the tip during pipetting. By using a wide bore tip, the user can save time, repeat pipetting, and prevent contamination of sample or pipette shaft.

Additional considerations when using wide bore tips

It is always important to check the performance of your pipette and tips prior to use so that any adjustments can be made to obtain the best accuracy and precision. Also, there are different pipetting techniques that can be performed to better handle difficult-to-pipette samples.

To find out more or request a sample, click here.

Reference

Behind The Bench Staff (2020) “Help for difficult-to-pipette samples” Thermofisher.com, 15 May, Available at: https://www.thermofisher.com/blog/behindthebench/help-for-difficult-to-pipette-samples/

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