DOSES IN MOVING IRRADIATION (RTX-TYPE 250)

Life shortening by multiple doses of irradiation.

Validation of blood product irradiation doses.

Dosimetry of blood irradiation using x-ray beams on a medical linear accelerator has been studied to evaluate the accuracy of a diode detector and the delivery achievable. Variations in applied doses for a standard dual field 6 MV x-ray are measured with a commercial diode detector. Results show that the diode detector measured applied in vitro doses to within 5.4% (2 standard deviations (2 SD)...

CYTOGENETIC BIOMONITORING OF 65 RADIOLOGY TECHNOLOGISTS OCCUPATIONALLY EXPOSED TO CHRONIC DOSES OF X-IRRADIATION IN IRAN

The frequency of chromosomal aberrations was studied in the peripheral blood lymphocytes of 65 radiology technologists CRT) working at hospitals chronically exposed to x-rays. Although film dosimetry did not show the maximal annual permitted dose in any of the examined subjects, cytogenetic analysis detected fairly high levels of chromosomal aberrations in R T compared to unexposed controls...

Vibrio cholerae strains with mutations in an atypical type I secretion system accumulate RTX toxin intracellularly.

This study shows that the Vibrio cholerae RTX toxin is secreted by a four-component type I secretion system (TISS) encoded by rtxB, rtxD, rtxE, and tolC. ATP-binding site mutations in both RtxB and RtxE blocked secretion, demonstrating that this atypical TISS requires two transport ATPases that may function as a heterodimer.

Effects of capsaicin in low doses and high doses on the small intestine motor response in wild-type and TRPV1 knockout mice