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Article
Controlled positioning of microbubbles and induced cavitation using a dual-frequency transducer and microfiber adhesion techniques
Ultrasonics Sonochemistry
  • Alex H. Wrede, Iowa State University
  • Aarthy Shah, Iowa State University
  • Marilyn C. McNamara, Iowa State University
  • Reza Montazami, Iowa State University
  • Nicole N. Hashemi, Iowa State University
Document Type
Article
Publication Version
Accepted Manuscript
Publication Date
5-1-2018
DOI
10.1016/j.ultsonch.2018.01.006
Abstract

We report a study on two methods that enable spatial control and induced cavitation on targeted microbubbles (MBs). Cavitation is known to be present in many situations throughout nature. This phenomena has been proven to have the energy to erode alloys, like steel, in propellers and turbines. It is recently theorized that cavitation occurs inside the skull during a traumatic-brain injury (TBI) situation. Controlled cavitation methods could help better understand TBIs and explain how neurons respond at moments of trauma. Both of our approaches involve an ultrasonic transducer and bio-compatible Polycaprolactone (PCL) microfibers. These methods are reproducible as well as affordable, providing more control and efficiency compared to previous techniques found in literature. We specifically model three-dimensional spatial control of individual MBs using a 1.6 MHz transducer. Using a 100 kHz transducer, we also illustrate induced cavitation on an individual MB that is adhered to the surface of a PCL microfiber. The goal of future studies will involve characterization of neuronal response to cavitation and seek to unmask its linkage with TBIs.

Comments

This is a manuscript of an article published as Wrede, Alex H., Aarthy Shah, Marilyn C. McNamara, Reza Montazami, and Nicole N. Hashemi. "Controlled positioning of microbubbles and induced cavitation using a dual-frequency transducer and microfiber adhesion techniques." Ultrasonics Sonochemistry 43 (2018): 114-119. DOI: 10.1016/j.ultsonch.2018.01.006. Posted with permission.

Creative Commons License
Creative Commons Attribution-NonCommercial-No Derivative Works 4.0 International
Copyright Owner
Elsevier B.V.
Language
en
File Format
application/pdf
Citation Information
Alex H. Wrede, Aarthy Shah, Marilyn C. McNamara, Reza Montazami, et al.. "Controlled positioning of microbubbles and induced cavitation using a dual-frequency transducer and microfiber adhesion techniques" Ultrasonics Sonochemistry Vol. 43 (2018) p. 114 - 119
Available at: http://works.bepress.com/nastaran_hashemi/42/