The effect of packing order on ultrasound backscatter from cells at different volume fractions

Auteurs-es

  • Ralph E. Baddour Dept. of Medical Biophysics, University of Toronto, 610 University Ave., Toronto, Ont. M5G2M9, Canada
  • Michael C. Kolios Dept. of Physics, Ryerson University, 350 Victoria St., Toronto, Ont. M5B2K3, Canada

Mots-clés :

Cells, Computer simulation, Diseases, Natural frequencies, Oncology, Suspensions (fluids), Transducers, Ultrasonic scattering, Volume fraction, Acute myeloid leukemia (AML), Cell suspensions, Packing order, Ultrasound backscattering

Résumé

A three-dimensional computer model was used to study the effect of position randomness on the ultrasound backscatter from cell suspensions at several volume fractions. A representative backscattered pulse measured from a single acute myeloid leukemia (AML) cell with a broadband 20 MHz focuses transducer was used at the elemental scattered pulse. The spatial arrangement of cells in the simulated suspensions can be varied. It was found that the relation between IB and the fraction of the total observation volume occupied by cells, although appearing to plateau for high volume fractions, is generally positive.

Fichiers supplémentaires

Publié-e

2005-09-01

Comment citer

1.
Baddour RE, Kolios MC. The effect of packing order on ultrasound backscatter from cells at different volume fractions. Canadian Acoustics [Internet]. 1 sept. 2005 [cité 30 avr. 2026];33(3):100-1. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1764

Numéro

Vol. 33 No. 3 (2005)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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