Alternative Techniques

Other methods and devices, such as syringe pumps, are sometimes used to introduce samples into the cytometer. Automated delivery devices that can pick up and deliver samples sequentially from a rack of many samples are available. These are usually based on motor-driven syringe pumps. There are also semiauto-mated pickup devices that are designed to pick up and deliver small-volume samples from mi-crotiter plates. Special sample chambers are also available for certain specific purposes, such as mixing reagents with samples just prior to delivery for timed-reaction experiments.

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