| 摘要 |
The invention provides systems, methods, and apparatus for dispensing liquids. According to one method, a plate is provided having a plurality of wells. At least one marker is also provided and is associated with at least some of the wells. The plate and marker are moved relative to a plurality of liquid dispensing elements, and the presence of the marker is sensed with a sensor that is disposed at a known location relative to the dispensing elements. The sensing of the marker indicates that at least some of the wells are aligned with the dispensing elements. As such, liquid is dispensed from the dispensing elements and into the aligned wells after sensing the presence of the marker.
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