نتایج جستجو برای: contrast agent

تعداد نتایج: 629223  

Journal: :The Journal of the Acoustical Society of America 1997

Journal: :Journal of Magnetic Resonance Imaging 2015

Background & Aim: Molecular imaging enables us to non-invasively visualize tissue microstructures and lesion characterization, allowing accurate diagnosis of diseases at early stages. A successful molecular imaging requires a nontoxic contrast agent with high sensitivity. Nowadays, a wide range of nanoparticles have been developed as contrast agents for medical imaging modalities. Here, we revi...

Journal: :iranian red crescent medical journal 0
gungor sitar okmeydani research and educational hospital, istanbul, turkey mehmet kucuk okmeydani research and educational hospital, istanbul, turkey; department of nephrology, okmeydani research and educational hospital, istanbul, turkey mustafa erinc sitar department of clinical biochemistry, cerrahpasa medical school, istanbul university, istanbul, turkey ozgur yasar department of clinical biochemistry, cerrahpasa medical school, istanbul university, istanbul, turkey seval aydin department of clinical biochemistry, cerrahpasa medical school, istanbul university, istanbul, turkey karolin yanar department of clinical biochemistry, cerrahpasa medical school, istanbul university, istanbul, turkey

conclusions contrast-agent-induced nephropathic changes are more closely related to the magnitude of lipid peroxidation than protein oxidation. results compared with the control group, groups cin and n + cin had significantly higher urea and lhp levels (p < 0.05 and p < 0.001, respectively) and significantly lower cu, zn-sod activity and creatinine clearance (p < 0.05). there was no statistical...

Journal: :iranian journal of radiology 0
mahmood nazarpoor department of radiology, faculty of paramedicine, tabriz university of medical sciences, iran +98-4113368733, [email protected]; department of radiology, faculty of paramedicine, tabriz university of medical sciences, iran +98-4113368733, [email protected] masoud poureisa department of radiology, faculty of medicine, tabriz university of medical sciences, iran mohammad hossein daghighi department of radiology, faculty of medicine, tabriz university of medical sciences, iran

conclusion using standard imaging parameters, each mri sequence reaches its maximum si in a specific contrast concentration, which is highest in se and least in ir in a comparison between se, fse and ir sequences. results this study shows that maximum si will appear at different ranges in different sequences. the maximum si can be seen at concentrations of 5.95, 4.96 and 3.98mmol/l for se, fse ...

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