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  4. Versatile High-Throughput Platform for Focused Ultrasound In Vitro Application
 
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January 16, 2025
Journal Article
Title

Versatile High-Throughput Platform for Focused Ultrasound In Vitro Application

Abstract
For the more efficient application of ultrasound in future therapies, fundamental research is needed on the mode of action of ultrasound on biological systems using therapeutic frequencies. To address this need, a new versatile high-throughput platform for focused ultrasound in vitro application was designed, developed, and characterized. The applicator was aligned with the dimensions of a 96-well plate and frequencies commonly used in the therapeutic ultrasound range (0.5-2.0 MHz). Two different platform configurations were developed: (a) a low-intensity version with 96 individual transducers allowing dry coupling of the well plate; and (b) a high-intensity version with water cooling, supporting parallel sonication of 32 out of 96 wells. The platforms were characterized by performing an analysis of the homogeneity of the sound pressure and intensity, the impact of filled volume per well, the cross-coupling effect between the wells, and the influence of the well plate. The low-intensity design delivers pressure levels up to 605 kPa inside the well with maximum ISPPA values between 0.78 and 12.38 W/cm2. In contrast, the high-intensity system achieves pressures up to 1460 kPa and a maximum ISPPA of 72 W/cm2 inside the wells. The successfully developed high-throughput platform supports parallelized sonication in standard, well-plate formats and is suitable for focused ultrasound applications in vitro.
Author(s)
Tretbar, Steffen  
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Fournelle, Marc  orcid-logo
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Degel, Christian  
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Becker, Franz Josef
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Weber, Peter-Karl
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Therre-Mohr, Sarah Michaela
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Bost, Wolfgang  
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Landgraf, Lisa  
ICCAS
Melzer, Andreas  
Univ. Leipzig, Innovation Center Computer Assisted Surgery -ICCAS-  
Journal
Applied Sciences  
Open Access
File(s)
Download (6.28 MB)
Rights
CC BY 4.0: Creative Commons Attribution
DOI
10.3390/app15020847
10.24406/publica-4119
Additional full text version
Landing Page
Language
English
Fraunhofer-Institut für Biomedizinische Technik IBMT  
Keyword(s)
  • high-intensity

  • focused ultrasound

  • in vitro setup

  • low-intensity focused ultrasound

  • therapeutic ultrasound

  • versatile high-throughput platform

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