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Multichannel Pipetting: How to Choose the,,,Correct Pipettor

n, ensures even tip sealing and sample pickup, and considerably reduces tip ejection force compared to conventional pipettors.

Figure 4 With the instrument's filter ejection mechanism, filters can be removed simply by pressing the piston all the way down to the third position.

Conclusion
There are several types of multichannel air displacement pipettors on the market. The best way to find the right tool for each application is to go through the pipetting procedures and find out which pipetting techniques and volumes are needed. However, less force in pipetting and tip ejection means less fatigue and discomfort, which results in improved productivity and user satisfaction. Therefore, one should look for a light, low-force, ergonomic multichannel pipettor that does not compromise accuracy and precision. It is preferable that tips designed for the particular pipettor are used. Before choosing a multichannel pipettor, the user should ask for a trial run to test the instrument. The best decision comes through evaluation of one's own experience.

References

  1. David G, Buckle PA. A questionnaire survey of the ergonomic problems associated with pipettes and their usage with specific reference to work-related upper limb disorders. Appl Ergonom 1997; 28 (4):257-62.
  2. FI patents 86968, EP 0527170, JP 3168296, and U.S. 5,347,878.
  3. Mannonen S, Nieminen P, Kaasinen J, Andersin K. Raising the standard of mechanical pipetting. Int Labmate 2003; 28(5):34-5.
  4. FI patent 109407 and patents pending.
  5. Kolari M, Mannonen S, Takala T, Saris P, Suovaniemi O, Salkinoja-Salonen MS. The effect of filters on aseptic pipetting lifetime of mechanical and electronic pipettors and carryover during pipetting. Lett Appl Microbiol 1999; 29:123-9.
  6. FI patents 108281 and 104885 and patent
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