title: Absence of an effect of diagnostic ultrasound on sister-chromatid exchange induction in human lymphocytes in vitro.
abstract: The frequency of sister-chromatid exchanges in human lymphocytes cultured in vitro was not changed after a 30-min exposure to a 2 MHz focused, diagnostic ultrasound beam with a pulse repetition rate of 1000 Hz, 1 musec burst duration, 100 W/cm2 temporal peak, spatial peak intensity. These results are consistent with those obtained with a number of other cell types and are contrary to some previously reported effects for human lymphocytes.
mesh_terms: D001973:Bromodeoxyuridine / Q000494:pharmacology; D002478:Cells, Cultured; D003434:Crossing Over, Genetic; D006801:Humans; D008214:Lymphocytes / Q000648:ultrastructure; D012854:Sister Chromatid Exchange; D014465:Ultrasonics
chemical_list: D001973:Bromodeoxyuridine