منابع مشابه
A quantum pipette
Curved quantum waveguides are known to bind particles. We show that a number of charged fermions in such a trap can be tuned by an external electrostatic eld; if the latter is slowly increased, the bent duct can serve as a single particle ejector.
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An automatic pipette is a very useful equipment for any laboratory carrying out Kahn tests on a large number of sera. A number of devices were tried in a field laboratory which was functioning as a serological laboratory for the CeylonArmy Command during the years 1945 and 1946. A mechanical pipette which can easily be prepared with materials salvaged from a small workshop is described below. T...
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Mice are ideal models for ICSI experiments because of the ease of culturing eggs/embryos in vitro and the availability of ample genetic information. Unfortunately, it has been extremely difficult. In this study we improved the mouse ICSI method by using a new holding pipette that was made of two pipettes such that one pipette was pulled and heat merged into the other one. The outer pipette ...
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Microfluidics has emerged as a powerful laboratory toolbox for biologists, allowing manipulation and analysis of processes at a cellular and sub-cellular level, through utilization of microfabricated features at size-scales relevant to that of a single cell. In the majority of microfluidic devices, sample processing and analysis occur within closed microchannels, imposing restrictions on sample...
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● The ICU is filled and there are no available beds. ● The ICU beds are closed because of a lack of critical care nurses. ● The emergency room is backed up with patients, and this particular patient will be going to surgery in a few hours anyway. ● PACU patients have recovered and are ready for discharge to the general surgical floor, but there are no available beds. ● A patient has a severe al...
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ژورنال
عنوان ژورنال: Journal of the American Chemical Society
سال: 1883
ISSN: 0002-7863,1520-5126
DOI: 10.1021/ja02155a021