Dispensing apparatus and a dispensing method
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United States of America Patent
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Aug 19, 2014
Grant Date -
Jul 16, 2009
app pub date -
Aug 29, 2008
filing date -
Jan 11, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
In a dispensing apparatus for dispensing a liquid, such as a sample solution, on a substrate, such as a glass slide, the dispensing apparatus includes a capillary provided with a distal end and a proximal end, a pump unit configured to pump an operating liquid into the capillary and to pump the operating liquid out of the capillary, and a controller configured to control the pump unit so as to change a position of a liquid surface of the operating liquid in the capillary so that a predetermined volume of liquid is suctioned from the distal end into the capillary and the liquid suctioned in the capillary is discharged from the distal end. As a result, it is possible to precisely dispense extremely small volume amounts of liquids such as a nanoliter.
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