Improving accuracy in serial dilutions using the electronic pipette
23 Aug 2020In this study, Sartorius investigates the use of electronic pipettes for the preparation of serial dilutions. The results demonstrate that the use of an electronic pipette for serial dilution gives better accuracy in sample concentrations and has reduced error propagation in the highest dilutions in the series compared to mechanical pipette use. They conclude that electronic pipette is a better choice in the preparation of serial dilutions. Additionally, features such as improved ergonomics, electronic mixing of samples, and the ability to pre-program pipetting protocols added significant benefits to the use of electronic pipettes in preparation of serial dilutions.
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SafetySpace Filter Tips
Sartorius GroupSafetySpace Filter Tips leave more space between the sample and the filter than conventional filter tips. This allows pipetting any type of liquid or using any pipetting technique without the risk of the precious sample absorbing into the filter. In effect, this secures 100% sample recovery and thus greater accuracy. The safety space feature is particularly useful in: pipetting foaming liquids such as buffers and proteins pipetting solvents multiple dispensing functions of electronic pipettes reverse pipetting any other application requiring extra space in the tip. The tips are made of virgin polypropylene and the filter of polyethylene without "self-sealing" additives to avoid any interference with the sample and the results. The filter barrier helps protect against cross-contamination of the sample and/or the pipette, and reduces the need for pipette maintenance. The filter tips are available in multiple volumes from 10 µl to 1200 µl and are packed in colour coded single tray racks. They are certified free of DNase, RNase and endotoxins, and are pre-sterilised. The filter barrier and the certified purity makes the filter tips ideal for: molecular biology microbiology cell culture applications radioactive work