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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 ...
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 ...
The patch pipette is designed for whole cell recording so its opening diameter is larger than experiments done to examine single ion-channels. For the most part standard patch clamp protocols may be used although there are some small situation dependent modifications to the pipette and the internal solution.
For this method, the pipette is sealed onto the cell membrane to obtain a gigaseal (a seal with electrical resistance on the order of a gigaohm), while ensuring that the cell membrane remains intact. This allows the recording of currents through single, or a few, ion channels contained in the patch of membrane captured by the pipette.
Positive displacement pipettes are a type of pipette that operates via piston-driven displacement. [1] [2] Unlike an air displacement pipette, which dispenses liquid using an air cushion in the pipette tip, the piston in a positive displacement pipette makes direct contact with the sample, allowing the aspiration force to remain constant.
Keshon Gilbert scored 16 points, grabbed 10 rebounds and dished five assists as No. 3 Iowa State pulled away from No. 25 Baylor 74-55 in a Big 12 Conference showdown Saturday in Ames, Iowa.
Vanderbilt quarterback Diego Pavia (2) celebrates after throwing a touchdown pass against Georgia Tech during the first half of the Birmingham Bowl NCAA college football game, Friday, Dec. 27 ...
4. Jell-O Pudding Pops. Once a beloved treat of the 70s and 80s, Pudding Pops were a freezer aisle favorite that blended the creamy texture of pudding with the chill of a popsicle.
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