نتایج جستجو برای: dtpa و ab dtpa
تعداد نتایج: 806631 فیلتر نتایج به سال:
The aim of this study was to determine whether the speed of technetium-labelled diethylene-triamine-pentacetate (99mTc-DTPA) clearance from the lung is predictive of disease progression in fibrosing alveolitis, as judged by changes in respiratory function tests. 82 nonsmoking patients with fibrosing alveolitis were studied (progressive systemic sclerosis, n = 53; lone cryptogenic fibrosing alve...
Purpose: To evaluate the suitability of Tc-DTPA as a radiotracer in Persian cat's renal scintigraphy. Methods: twelve adult healthy Persian cats were selected. For scintigraphy, the animals were anesthetized and TC-DTPA was injected via the femoral vein as a bolus at a dose of 1.5 mCi. Immediately after intravenous injection of radiotracer, scintigraphic operation was conducted on the renal org...
The respiratory epithelial clearance of 99mTc-(DTPA) diethylenetriamine penta-acetate (RC-DTPA) was measured in rats before and after sham or cigarette smoke exposures. RC-DTPA was increased by cigarette smoke exposure (p less than 0.001); the amount and duration of the exposure had no significant effect. In smoker animals, the number of bronchoalveolar macrophages was decreased after one or fi...
Diethylenetriaminepentaacetic acid (DTPA) is a useful chelating agent for radionuclides such as (68)Ga, (99m)Tc and (111)In, which are applicable to nuclear medicine imaging. In this study, we established a facile synthetic protocol for the production of mono-DTPA-conjugated peptide probes. A novel monoreactive DTPA precursor reagent was synthesized in two steps using the chemistry of the o-nit...
Application of magnetic resonance imaging (MRI) in two-dimensional quantitative assessment of blood-retinal barrier dysfunction was investigated in rabbits using a 0.1 T (4.25 MHz) resistive system. Reliable and consistent measurements of vitreous T1 were obtained repeatedly, in slices of width 5 mm and X-Y resolution of 1.2 mm. Calibration of reduction of T1 in eyes after injection of gadolini...
MRI-based estimation of liver function: Gd-EOB-DTPA-enhanced T1 relaxometry of 3T vs. the MELD score
Gd-EOB-DTPA is a hepatocyte-specific MRI contrast agent. Due to its hepatocyte-specific uptake and paramagnetic properties, functioning areas of the liver exhibit shortening of the T1 relaxation time. We report the potential use of T1 relaxometry of the liver with Gd-EOB-DTPA-enhanced magnetic resonance imaging (MRI) for estimating the liver function as expressed by the MELD score. 3 T MRI rela...
In this study, BevMab was conjugated with the bifunctional chelating agent [diethylenetriamine pentaacetic acid (DTPA)] and the product (BevMab-DTPA) was labeled with Tc using stannous chloride reducing method. The quality control studies of radiolabeled compound (Tc-BevMab-DTPA) were done with Thin Layer Radio Chromatography (TLRC) and High Performance Liquid Radio Chromatography (HPLRC) metho...
UNLABELLED The Auger electron-emitting radiopharmaceutical 111In-diethylenetriaminepentaacetic acid human epidermal growth factor (111In-DTPA-hEGF) binds the epidermal growth factor receptor (EGFR), is internalized, and translocates to the nucleus. The purpose of this study was to investigate the relationship between EGFR expression, DNA damage, and cytotoxicity in cells exposed to 111In-DTPA-h...
کربناتها که در مناطق خشک و نیمه خشک از اجزاء متداول تشکیل دهنده خاک ها می باشند، تاثیر قابل توجهی بر خواص فیزیکی و شیمیایی خاک ها دارند که می توان به جذب و نگهداری و آزاد سازی کاتیونها و آنیون ها، و واکنش خاک اشاره کرد. پتاسیم و آهن موجود در کانی های رسی، منبع مهمی برای پتاسیم و آهن مورد نیاز گیاهان در بسیاری از خاک ها محسوب می شوند. این مطالعه به منظور بررسی اثر آهک بر آزاد سازی پتاسیم و آهن ا...
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