نتایج جستجو برای: Colon absorb dose of patient

تعداد نتایج: 21269460  

Fariba Mahmood Poor Mohammad Reza Ardalan Parinaz Mehnati, Samad Ghasemi

Introduction:Intravenous urography (IVU) test includes high number of images and extended imaging size. These make IVU as a diagnostic method with high absorbed doses by sensitive organs such as intestine and gonads in pelvic-abdominal area. In this study absorbed doses of pelvic-abdomen sensitive organs such as Adrenal, Bladder, Colon and Gonads in IVU test. <stron...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده زیست شناسی 1391

بررسی تآثیر کورکومین بر بیان آکواپورین5 در سلول های سرطانی روده بزرگ انسان(ht-29) سرطان روده بزرگ جزو بیماری های خطرناک بوده و از نظر شیوع سومین سرطان شایع و دومین علت مرگ ومیر ناشی از سرطان در جهان محسوب می شود. خطرابتلا به این سرطان تحت تاثیر دو عامل محیطی وفاکتورهای ژنتیکی می باشد. آکواپورین ها، پروتئین های کانال آبی بوده که نقش مهمی را در انتقال آب در بافتهای اندوتلیالی و اپی تلیالی بر عهد...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

Journal: :jundishapur journal of natural pharmaceutical products 0
zahra arab-bafrani disorder metabolic research center, faculty of medicine, golestan university of medical sciences, gorgan, ir iran; department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran alihossein saberi department of medical genetics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of medical genetics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-9161133488, fax: +98-613332036 mohammad javad tahmasebi birgani department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran daryoush shahbazi-gahrouei department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, ir iran mahdi abbasian department of biotechnology, college of agriculture, isfahan university of technology, isfahan, ir iran mehrafarin fesharaki department of cell sciences research center medical science, school of medicine, isfahan university of medical sciences, isfahan, ir iran

conclusions due to the significant reduction in the mean inactivation dose of colon cancer cells in the presence of gold nanoparticles, it seems that gnps are suitable options to achieve a new approach in order to improve radiotherapy efficiency without increasing the prescribed radiation dose. results cell survival in the presence of gnps was more than 90% and the maximum uptake of gnps was ob...

Journal: :iranian journal of medical physics 0
asghar mesbahi assistant professor, medical physics dept., tabriz university of medical sciences, tabriz, iran. radiotherapy physicist of the radiotherapy department of imam hospital, tabriz, iran. naser aslanabadi associate professor, cardiology dept., tabriz university of medical sciences, tabriz, iran. parinaz mehnati associate professor, medical physics dept., tabriz university of medical sciences, tabriz, iran. ahmad keshtkar associate professor, medical physics dept., tabriz university of medical sciences, tabriz, iran.

introduction: coronary angiography and angioplasty procedures lead to significant radiation exposure of patients. in the current study, the average radiation dose to patients during angiography in the angiography department of shahid-madani hospital was determined. materials and methods: an image intensifier based angiography unit (philips bh 3000) was used for angiography procedures. the accur...

Journal: :iranian journal of medical physics 0
t. sadeghyani m. sc. in medical physics, medical physics dept., tarbiat modarres university, tehran, iran. b. hashemi malayeri assistant professor, medical physics dept., tarbiat modarres university, tehran, iran. h. hashemi assistant professor, radiology dept., imam khomeini hospital, tehran, iran. a.a. sharafi associate professor, radiology dept., iran medical sciences university, tehran, iran.

introduction: in 2000, the unscear reported that ct constitutes 5% of all the medical x-ray  examinations and it contributes 34% of the resultant collective dose worldwide. children are more  sensitive to the ionizing radiations than adults. so, routine quality control tests are expected to be  carried out periodically on the ct scanners. the aim of this research was to estimate the effective  ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان کرمانشاه 1371

background: organic nitrates relax all kinds of smooth muscle , not only vascular smooth muscle , a fact that has allowed the use of these drugs to treat many different aliments. objective.-the purpuse of this study was to examine prosepectively benefical effects , if any, of sublingual nitroglycerin on the pain of renal colic. design.- prospective , randomised , double blind, placebo- contoled...

Journal: :iranian journal of radiation research 0
k. ghazikhanlou sani department of radiology technology, faculty of para-medicine, hamadan university of medical sciences, hamadan, iran m. jafari department of radiology, faculty of medicine, hamadan university of medical sciences, hamadan, iran m. mohammadi department of medical physics, faculty of medicine, hamadan university of medical sciences, hamadan, iran m. mojiri department of radiology technology, faculty of para-medicine, hamadan university of medical sciences, hamadan, iran a. rahimi department of radiology, besat hospital, hamadan university of medical sciences, hamadan, iran

background: although ionizing radiation is widely used to diagnose many diseases, the relevant hazards are known to be as an important limitation of its application. it is believed that the awareness of ionizing radiation dose values is one of the main stages in patient&apos;s radiation protection. the purpose of this study has been to investigate the level of physicians&apos; knowledge about r...

Journal: :iranian journal of radiation research 0
f. bouzarjomehri department of medical physics, shahid sadooghi university of medical sciences, yazd, iran v. tsapaki department of medical physics, konstantopoulio hospital, nea ionia, athens, greece

background: the number of interventional cardiology (ic) procedures has increased rapidly. coronary angiography (ca) and percutaneous transluminal coronary angioplasty (ptca) are now widely performed as a matter of routine, and they are considered safe procedures for experienced cardiologists. however, it is also known that these procedures are associated with high radiation doses due to long f...

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