Pipettes need to be serviced on a routine basis (usually once every 6 or 12 months) to ensure optimal performance. However, not all calibration providers offer high quality service. Options you may be considering for your pipette calibration include: 1) sending your units to a third-party calibration company, 2) having a technician come to your lab, or 3) sending your pipettes to the original manufacturer. Ask these 6 important questions to your calibration provider when deciding who will perform this important service for your pipettes. Do you perform Preventative Maintenance…
Tech Notes & Training
ali-Q Pipetting Techniques and Tips
Aliquoting / Repeat Pipetting / Multidispensing with ali-Q is faster and easier than with standard pipet controllers using serological pipets. Once you’ve dialed in the volume you want to multidispense and aspirated the liquid you need, simply press and hold the purple aliquot button for the entire duration of each aliquot. When the LED blinks green and the motor turns ON at the end of the dispense, release the button. The ali-Q is now ready for your next press and hold. For the best accuracy and precision using ali-Q, performing…
Improving Performance of Micro-volume Pipetting
Any experienced pipetter knows that when pipetting, the smaller the dispense volume, the harder it is to achieve accurate and consistent results. Pipetting volumes below 2.0 µL can be frustratingly difficult; the smallest drop left behind, the slightest movement, or the quality of the individual tip can cause poor results. A pipette that fails calibration for one technician, may pass for another. Not all variables can be easily controlled, but here are some techniques and tips that can help improve performance!