absorbed dose


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absorbed dose

[əb′sȯrbd ′dōs]
(medicine)
The part of an administered medication which is not excreted by the recipient's body.
(nucleonics)
The amount of energy imparted by ionizing particles to a unit mass of irradiated material at a place of interest. Also known as dosage; dose.
References in periodicals archive ?
Both tendencies contribute to a higher absorbed dose.
Through RSM analysis, it was observed that 12.69 kGy absorbed dose and 4.65% H2O2 were found better for maximum degradation of contaminants.
Without knowledge of the rate of radiobiological clearance as well as the degree of intra-lesion variability in absorbed dose, a proportion of patients will be over- or under-treated using an empiric dose of I-131.
At an absorbed dose of 300 kGy about 25 radicals are generated on the high molecular mass PP.
Mutation frequency M(x,y) and mutation yield Y(x,y) were calculated as: M(x,y) = Nm / Ns; Y(x,y) = Nm / No, where Nm is the number of mutants per mL, No is the number of treated cells per mL, x the absorbed dose, and y the dose of modulators (16, 19, 20).
Where IA is the change in absorbance at I>>max, b is the optical path length (cm), Iu is the molar extinction coefficient at I>>max (L mol-1 cm-1), I is the density of the dosimeter (g.cm-3) and D is the absorbed dose (Gy).
We propose that CT manufacturers should consider to regulate their dose reports to include [bar.SSDE] information, since it offers more realistic results than CTD[I.sub.vol] based on the absorbed dose. In the absence of [bar.SSDE] information, SSD[E.sub.center] could be a reasonable and easily applicable method in clinical practice.
Comparison between remnant and red-marrow absorbed dose in thyroid cancer patients submitted to 131I ablative therapy after rh-TSH stimulation versus hypothyroidism induced by L-thyroxine withdrawal.
The gantry angle, measured absorbed dose (Gy) and % deviation for twelve beams with six inhomogeneous inserts with field size of 22 cm x 25 cm at 0[degrees] was 1.0004, 22.5[degrees] was 0.9981, 45[degrees] was 0.9974, 90[degrees] was 1.0034, 135[degrees] was 0.976, 157.5[degrees] was 1.0082, 180[degrees] was 0.9693, 197.5[degrees] was 0.9722, 215[degrees] was 0.9820, 270[degrees] was 0.9661, 315[degrees] was 0.9708 and 337.5[degrees] was 0.9799 Gy respectively and corresponding % deviation was 0.04, 0.19, 0.26, 0.34, 2.40, 0.82, 3.07, 2.78, 1.80, 3.39, 2.92, and 2.01, respectively [Table 3].{Table 3}
Keywords: Absorbed dose, Cobalt-60, Gamma radiations, Phantoms, Ion chamber.
The absorbed dose to organs was evaluated according to the following equation as previously reported [9]:
Based on the information of the residents using the stream water and the results of paraquat concentrations, dermal absorbed dose (DAD) value was done after which the hazard quotient (HQ) was calculated.