Hossein, F;
Wang, M;
(2019)
UVP Distribution and Device for Imaging Physiochemical Property of Nanoparticles or Ionic Species in Colloids.
In:
Proceedings of the 7th UK-China International Particle Technology Forum VII.
(pp. pp. 35-36).
University of Edinburgh: Edinburgh, UK.
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Abstract
Ultrasound vibration potential (UVP) is an electroacoustic phenomenon due to ultrasound applied to the colloid particles and ionic electrolyte. Particles/ions in electrolyte carry electrical charges. When excited, charged particles/ions vibrated and generate a secondary electric field that produces the so-called ultrasound vibration potential comprising two categories of Colloid vibration potential (CVP), or Ion vibration potential (IVP). They are functions of the physiochemical features of particles or ions in the colloid along the path of the ultrasound beam. The present research focuses on understanding of ultrasound vibration potential distribution (UVPD) in a 3- dimensional object for sensor optimisation. A mock body made from Agar and associated experimental methods (Leeds standard III) were established for the purpose of tissue imaging. A new disc-dipole model is developed to address the UVPD inside the mock body and reveal the optimisation sensor set-up. . The sensing device with electrodes nonintrusive set outside the mock body successfully received signals from agar samples, containing either ionic or Nanoparticular spics, embedded inside the mock body, providing the physiochemical property of these samples. The signals are either a function of atomic mass or particle size in respect to the physiochemical characterizations of ionic spics and Nano-particles. This work provides a new method based on ultrasound technology and demonstrated a high potential to develop a new measurement and imaging technology for online charactering physiochemical properties of colloids in engineering and complimentary imaging in medicine.
| Type: | Proceedings paper |
|---|---|
| Title: | UVP Distribution and Device for Imaging Physiochemical Property of Nanoparticles or Ionic Species in Colloids |
| Event: | The 7th UK-China International Particle Technology Forum VII |
| Location: | Edinburgh, UK |
| Dates: | 28th-31st July 2019 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://www.ptf7.eng.ed.ac.uk/ |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Ultrasound, Colloids, Physiochemical, Ultrasound Vibration potential Distribution |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10114210 |
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