CPC C12M 33/04 (2013.01) [B01L 3/0293 (2013.01); B01L 13/02 (2019.08); C12M 29/00 (2013.01); G01N 35/1016 (2013.01); B01L 2200/0605 (2013.01); B01L 2200/0642 (2013.01); B01L 2300/0832 (2013.01); B01L 2300/165 (2013.01); G01N 2035/00524 (2013.01); G01N 2035/103 (2013.01); G01N 2035/1034 (2013.01)] | 20 Claims |
1. An apparatus, comprising:
one or more dispensers, a respective dispenser of the one or more dispensers configured to dispense a first liquid on an array plate, the respective dispenser including:
a first tube defining at least a portion of a first channel in an interior of the first tube and configured for holding the first liquid;
a first piston located and slidable at least partially within the first channel;
a first valve coupled to the first tube and configured to allow the first liquid in the first channel to be dispensed from the first channel through the first valve and prevent a liquid from entering into the first channel through the first valve; and a
second valve that is distinct from the first valve, wherein the second valve is coupled to the first piston and configured to allow the first liquid to enter the first channel through the second valve and prevent a liquid in the first channel from exiting from the first channel through the second valve.
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