Exact(13)
Radiant dose was measured by placing a radiometer (International Light, Inc., Newburyport, MA, USA) next to the samples during treatment with Sterilray.
A >3 log10 reduction of MRSA and VRE was achieved in ~2 seconds at a lower radiant dose, but killing of C. difficile spores was significantly reduced.
After air drying, each object was subjected to a high power radiant dose of 100 (mJ/cm) for ~5 seconds or left untreated (positive control).
MRSA and VRE were reduced by >3 logs when the radiant dose was lowered to 30 mJ/cm for ~ 2 seconds, however killing of C. difficile was reduced.
The radiant dose (mJ/cm) of far-UV is dependent upon the amount of time and the distance the device is held from the surface being treated.
On keyboards and portable medical equipment that were inoculated with C. difficile spores, application of the Sterilray device at a radiant dose of 100 mJ/cm for ~ 5 seconds reduced contamination by 3.2 log10CFU.
Similar(47)
After long PpIX-light interval, TEL62mol% has deliberately gained metronomic PDT at low rate of PpIX dosimetry and the radiant exposure doses in human ovarian carcinoma (SKOV-3) cells as determined by PpIXIC50.
Therefore, it could be hypothesized that the regulating factor for depth of cure is the radiant exposure, and if this dose were adjusted even using a low intensity, as 150 mW/cm2, the polymerization will have a pattern similar or even better than that observed for other PM.
The water-filtered infrared component allows (at the same radiant flux density on a given surface) for longer exposure times and higher heat doses.
"It was radiant.
THEATER "The Radiant".
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