نتایج جستجو برای: dtpa و ab dtpa
تعداد نتایج: 806631 فیلتر نتایج به سال:
An evaluation was done of the effect of gadolinium diethylenetriaminepentaacetic acid (DTPA) on computed tomographic (CT) studies performed after magnetic resonance (MR) imaging. CT scans of two solutions of Gd-DTPA demonstrated substantial attenuation. In two patients who underwent CT after Gd-DTPA-enhanced MR imaging, the high attenuation of concentrated Gd-DTPA was seen in the urinary bladde...
Biomarkers providing in vivo quantification of the basic elements of cystic fibrosis (CF) lung disease are needed. A study was performed to determine whether the absorption of a small radiolabelled hydrophilic molecule (Indium-111 (In-)DTPA) would be increased in CF airways. DTPA clearance has been used previously to assess epithelial permeability and may also be useful for quantifying liquid a...
Hamadan province is one of the most important alfalfa (Medicago sativa) producing regions in Iran. However, little is known about P status in this region and no suitable extraction method has yet been introduced. This experiment was carried out to determine the available phosphorus by nine chemical extractants in some soils of the Hamadan region. The treatments consisted of 15 soils and 2 P lev...
ریزوسفر ناحیه ای کوچک با خصوصیات شیمیایی، بیولوژیکی و فیزیکی متفاوت از تودۀ خاک است. اطلاعات دربارة اثر ریزوسفر بر آزادشدن مس کم است. در این تحقیق سرعت آزادشدن مس در ریزوسفر گندم[1] در دَه خاک آهکی، با استفاده از ریشه دان (رایزوباکس)، در شرایط گل خانه بررسی شد. سینتیک آزادسازی مس از طریق عصاره گیری خاک با استفاده از dtpa-tea در دمای 1± 25 درجة سلسیوس به مدت 1 تا 504 ساعت مطالعه شد. همچنین مقدار ...
Hamadan province is one of the most important alfalfa (Medicago sativa) producing regions in Iran. However, little is known about P status in this region and no suitable extraction method has yet been introduced. This experiment was carried out to determine the available phosphorus by nine chemical extractants in some soils of the Hamadan region. The treatments consisted of 15 soils and 2 P lev...
Internalizing agonists are usually selected for peptide receptor targeting. There is increasing evidence that non-internalizing receptor antagonists can be used for this purpose. We investigated whether the glucagon-like peptide-1 receptor (GLP-1R) antagonist exendin(9-39) can be used for in vivo targeting of GLP-1R expressing tumours and compared the in vitro and in vivo characteristics with t...
Direct reactions of the MRI contrast agent K2[Gd(DTPA)(H2O)]·5H2O (1) (H5DTPA = diethylenetriaminepentaacetic acid) with dipotassium hydrogen phosphate (K2HPO4) or phosphite (K2HPO3) result in the isolation of well-defined Gd-DTPA phosphite K6[Gd2(DTPA)2(HPO3)]·7H2O (2) or phosphate K6[Gd2(DTPA)2(HPO4)]·10H2O (3), respectively. Their lanthanum analogs K4[La2(DTPA)2(H2O)]·8H2O (4), K6[La2(DTPA)2...
PURPOSE The feasibility of measuring blood-brain barrier permeability was studied in a 36B-10 brain glioma model in rats. MATERIALS AND METHODS In stage I of our study, sequential MR images of glioma-implanted rats were obtained following intravenous administration of three contrast agents of different molecular sizes--Gd-DTPA, polylysine-(Gd-DTPA), and albumin-(Gd-DTPA). In a second set of e...
A chelating agent helps crops to reuse as nutrients by mobilizing salts from the soil. This study was conducted evaluate effects of Diethylenetriamine pentaacetic acid (DTPA), N-(2-hydroxyethyl)-ethylene diaminetriacetic (HEDTA), and Ethylene diamine disuccininc (EDDS) for improving plant growth reusing accumulated in soils plastic film house. Two experiments were carried out follows: i) For in...
The present investigation was undertaken to study the kinetics of 99mTc-labelled diethylenetriaminepenta-acetate (DTPA) as compared with inulin and 51Cr-labelled ethylenediaminetetra-acetate (EDTA). Twenty patients with various degrees of decreased renal function were studied. The renal clearance, plasma clearance and volume of distribution of all three tracers were measured after a simultaneou...
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