Sonication of a medium

B - Operations – Transporting – 01 – F

Patent

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Details

B01F 11/00 (2006.01) B01F 11/02 (2006.01)

Patent

CA 2606545

Sonication of a medium for example in an immunassay is provided by applying sound waves from a transducer to a vessel in which the medium is held by a sonotrode coupled between the transducer and the vessel. The sonotrode has a recess in which the vessel is held, the recess being formed by facing surfaces of a plurality of protruding portions of the sonotrode separated by slits and arranged around the recess. The sonotrode is coupled to the vessel by dry contact with the vessel without any coupling layers therebetween. The use of such a sonotrode provides the advantages of allowing effective sonication with relatively low energy loss and with a low temperature elevation.

La présente invention concerne la sonification d~un milieu par exemple dans un immuno-essai par application d'ondes sonores depuis un transducteur vers un réceptacle où le milieu est maintenu par une sonotrode couplée entre le transducteur et le réceptacle. La sonotrode présente un retrait où le réceptacle est maintenu, le retrait étant formé de surfaces se faisant face d~une pluralité de portions de la sonotrode séparées par des fentes et disposées autour du retrait. La sonotrode est couplée au réceptacle par un contact sec avec le réceptacle sans couches de couplage entre eux. L~utilisation d~une telle sonotrode permet une sonification efficace avec une perte d~énergie relativement faible et une élévation faible de la température.

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