Phase-modulated standing wave mixing apparatus and methods
A technology of mixing devices and phase modulators, applied in chemical instruments and methods, mixers, measuring devices, etc., capable of solving complex and expensive system problems
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[0021] It is desirable to achieve improved mixing of components, particularly one or more reagents and a patient sample in a clinical analyte test or analysis, for at least the reasons described above. The inventors herein have discovered a simple yet effective way of generating a standing wave within a reaction vessel (e.g., a test tube) containing the components to be mixed, and then moving (e.g., oscillating) the standing wave back and forth within the reaction vessel so that Mix ingredients thoroughly.
[0022] According to an embodiment of the invention, improved mixing is achieved by driving a high frequency transducer fluidly coupled to the reaction vessel (such as by coupling a liquid) to set up a standing wave (e.g., a vertically oriented standing wave) in the reaction vessel . The drive signal to the transducer is phase modulated to move the position of the standing wave laterally back and forth within the reaction vessel to achieve mixing.
[0023] will be referre...
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