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Temperature evaluation of soft and hard PZT transducers for ultrasonic

Författare:
Redaktör:
  • Klavs F. Jensen
  • Jongyoon Han
  • D. Jed Harrison
  • Joel Voldman
Publiceringsår: 2005
Språk: Engelska
Sidor: 1428-1430
Publikation/Tidskrift/Serie: Proceedings of µTAS 2005 Conference
Volym: 2
Dokumenttyp: Konferensbidrag
Förlag: Transducer Research Foundation

Sammanfattning

This paper reports a comparison of soft and hard piezoceramic transducer materials used for ultrasonic particle trapping in a microfluidic bioanalytical platform. The investigation is made with the objective to obtain high acoustic forces with a minimum of temperature increase. Themperature is a critical parameter for bioassays and most often need to be kept below a certain level to allow handling of e.g. temperature sensitive proteins. The main conclusion in this paper is that it is possible to get efficieint trapping with a temperature increase of only a few degrees using a hard type III transducer material.

Disputation

Nyckelord

  • Technology and Engineering
  • Acoustic trapping
  • temperature
  • piezoceramic transducer
  • bioanalysis

Övrigt

Micro Total Analysis Systems 2005
2005-10-09/2005-10-13
Boston
Published
Yes
  • ISBN: 0-9743611-1-9

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