A study of high frequency ultrasound scattering from non-nucleated biological specimens | Zendy

Omar Falou | Zendy; Ralph E. Baddour | Zendy; George Nathanael | Zendy; Gregory J. Czarnota | Zendy; J. Carl Kumaradas | Zendy; Michael C. Kolios | Zendy

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A study of high frequency ultrasound scattering from non-nucleated biological specimens

Author(s) -

Omar Falou,

Ralph E. Baddour,

George Nathanael,

Gregory J. Czarnota,

J. Carl Kumaradas,

Michael C. Kolios

Publication year - 2008

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.2987462

Subject(s) - backscatter (email) , homogeneous , high frequency ultrasound , scattering , cytoplasm , nucleus , volume (thermodynamics) , ultrasound , physics , materials science , optics , biology , acoustics , thermodynamics , microbiology and biotechnology , telecommunications , computer science , wireless

The high frequency backscatter from cells with a nucleus to cell volume ratio of 0.50 cannot be adequately modeled as a homogeneous sphere. It was hypothesized that the cytoplasm of such cells is of fluid nature. This work attempts to model the ultrasound backscatter (10-62 MHz) from some non-nucleated biological specimens. This was done by measuring the backscatter response from individual sea urchin oocytes and comparing it to theoretical predictions in both the time and frequency domains. A good agreement was found between the experimental and theoretical results suggesting that the non-nucleated oocytes are of fluid nature.

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