An air-gap technique for nasal sinus radiography.

Abstract Text

The colony-forming ability of cultured mammalian cells exposed to monochromatic ultrasonic vibrations of different frequencies (0.1, 0.5, 1.0, 2.0, 3.3 MHz) was studied. The combined effect of x rays and 1.0-MHz ultrasonic waves on the survival of M3-1 cells was also investigated. Split-dose experiments showed that cells exposed to ultrasound are "sensitized" to a subsequent exposure. Almost twice as many cells survive a given ultrasonic dose when exposed in the M phase as when exposed in the S phase. A small amount of synergism between ultrasound and x rays has been observed. The extent of synergism depends on the experimental factors, and may be due to an interaction between nuclear damage caused by x rays and the damage to the cell membrane caused by ultrasound.

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2016-09-01 03:47:16

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Citation:- Crooks HE, Ardran HE, .An air-gap technique for nasal sinus radiography. Radiography 1977-Sep;43()195-202 DOI:



Details of Journal

Journal Title - Radiography

ISSN - 0033-8281

Volume - 43

Issue - 513

Publish date - 1977-Sep

Language - eng

Country - ENGLAND


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