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Pipettes come in several designs for various purposes with differing levels of accuracy and precision, from single piece glass pipettes to more complex adjustable or electronic pipettes. Many pipette types work by creating a partial vacuum above the liquid-holding chamber and selectively releasing this vacuum to draw up and dispense liquid ...
Depending on the number of pistons in a pipette, there is a differentiation between single-channel pipettes and multi-channel pipettes. For manual high-throughput applications like filling up a 96-well microtiter plate most researchers prefer a multi-channel pipette. Instead of handling well by well, a row of 8 wells can be handled in parallel ...
In the same year, he presented under the title "A rapid and precise pipetting of small liquid quantities" a patent at the German Patent Office one, issued in 1961. The company Eppendorf improved the first "Marburg pipette" apparatus in cooperation with Heinrich Schnitger, and took over the exclusive license of the patent for commercialization.
A small pipette allows for more precise measurement of fluids; a larger pipette can be used to measure volumes when the accuracy of the measurement is less critical. Accordingly, pipettes vary in volume, with most measuring between 0 and 25.0 millilitres (0.00 and 0.88 imp fl oz; 0.00 and 0.85 US fl oz). [2]
(These are for Class A pipettes; Class B pipettes are given a tolerance of twice that for the corresponding Class A.) A specialized example of a volumetric pipette is the microfluid pipette (capable of dispensing as little as 10 μL) designed with a circulating liquid tip that generates a self-confining volume in front of its outlet channels. [3]
Johnny Depp is warning about ongoing social media scams targeting his fan base.. The actor, 61, wished his followers on Instagram a "Happy New Year" on Monday, Jan. 6, while also alerting fans ...
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