452. Evalution of Kodak new duplicating film
نویسندگان
چکیده
منابع مشابه
Design and in Vitro Evalution of Sustained Release Film Coated Tablets of Verapamil Hydrochloride
An attempt was made to formulate the sustained release tablet of verapamil hydrochloride by using the wet granulation method for the treatment of hypertension. In the present formulation the tablets releases the loading dose by immediate drug release and maintenance dose up to 15 hours by extended release. The drug excipient compatability study was carried out with HPLC method and there was no ...
متن کاملEffect of processing time delay on the dose response of Kodak EDR2 film.
Kodak EDR2 film is a widely used two-dimensional dosimeter for intensity modulated radiotherapy (IMRT) measurements. Our clinical use of EDR2 film for IMRT verifications revealed variations and uncertainties in dose response that were larger than expected, given that we perform film calibrations for every experimental measurement. We found that the length of time between film exposure and proce...
متن کاملInvestigation of Kodak extended dose range (EDR) film for megavoltage photon beam dosimetry.
We have investigated the dependence of the measured optical density on the incident beam energy, field size and depth for a new type of film, Kodak extended dose range (Kodak EDR). Film measurements have been conducted over a range of field sizes (3 x 3 cm2 to 25 x 25 cm2) and depths (d(max) to 15 cm), for 6 MV and 15 MV photons within a solid water phantom, and the variation in sensitometric r...
متن کاملOptimal sensitometric curves of Kodak EDR2 film for dynamic intensity modulated radiation therapy verification
PURPOSE To investigate the optimal sensitometric curves of extended dose range (EDR2) radiographic film in terms of depth, field size, dose range and processing conditions for dynamic intensity modulated radiation therapy (IMRT) dosimetry verification with 6 MV X-ray beams. MATERIALS AND METHODS A Varian Clinac 23 EX linear accelerator with 6 MV X-ray beam was used to study the response of Ko...
متن کاملAnalysis of variation in calibration curves for Kodak XV radiographic film using model‐based parameters
Film calibration is time-consuming work when dose accuracy is essential while working in a range of photon scatter environments. This study uses the single-target single-hit model of film response to fit the calibration curves as a function of calibration method, processor condition, field size and depth. Kodak XV film was irradiated perpendicular to the beam axis in a solid water phantom. Stan...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1993
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00003325036