radiotracer वाक्य
उदाहरण वाक्य
मोबाइल
- Several studies have also shown radiomic features are better at predicting treatment response than conventional measures, such as tumor volume and diameter, and the maximum radiotracer uptake on positron emission tomography ( PET ) imaging.
- Organic radiotracer molecules that will contain a positron-emitting radioisotope cannot be synthesized first and then the radioisotope prepared within them, because bombardment with a cyclotron to prepare the radioisotope destroys any organic carrier for it.
- Radioactive indium-111 ( in very small amounts on a chemical basis ) is used in nuclear medicine tests, as a radiotracer to follow the movement of labeled proteins and white blood cells in the body.
- Recent research has established the value of PET imaging using carbon-11 Pittsburgh Compound B as a radiotracer ( PIB-PET ) in predictive diagnosis of various kinds of dementia, in particular Alzheimer's disease.
- His group also developed a radiotracer, which, when injected into the body, acts as a chemical beacon whose signals are picked up by imaging equipment to track brain activity or the movement of a drug through the body.
- The sign is similar in mechanism but distinct in significance from the " hot caudate sign ", in which the caudate lobe of the liver shows preferential enhancement or radiotracer accumulation with hepatic vein occlusion in Budd Chiari syndrome.
- Indium-111 is used medically in nuclear imaging, as a radiotracer nuclide tag for gamma camera localization of protein radiopharmaceuticals, such as In-111-labeled octreotide, which binds to receptors on certain endocrine tumors ( Octreoscan ).
- The subsequent discovery 1980 that 18 F-FDG accumulates in tumors underpins the evolution of PET as a major clinical tool in cancer diagnosis . 18 F-FDG is now the standard radiotracer used for PET neuroimaging and cancer patient management.
- In another study, carried out using 66 patients seen at the University of Michigan, PET studies using either PIB or another radiotracer, carbon-11 dihydrotetrabenazine ( DTBZ ), led to more accurate diagnosis for more than one-fourth of patients with mild cognitive impairment or mild dementia.
- The alternative techniques of 28 Mg 2 + radiotracer analysis and mag-fura 2 to measure Mg 2 + uptake have not yet been used with Alr1p . 28 Mg 2 + is currently not available and the mag-fura 2 system is unlikely to provide simple uptake data in yeast.
- The lengthy duration of an MRI examination and a history of claustrophobia in some patients are limiting the use of MRI . Although osteoblastoma demonstrates increased radiotracer accumulation, its appearance is nonspecific, and differentiating these lesions from those due to other etiologies involving increased radiotracer accumulation in the bone is difficult.
- The lengthy duration of an MRI examination and a history of claustrophobia in some patients are limiting the use of MRI . Although osteoblastoma demonstrates increased radiotracer accumulation, its appearance is nonspecific, and differentiating these lesions from those due to other etiologies involving increased radiotracer accumulation in the bone is difficult.
- "' LY-2459989 "'is a silent antagonist of the ?-opioid receptor ( KOR ) that has been developed by Eli Lilly as a radiotracer ( labeled with carbon-11 ) of the aforementioned biomedical imaging, for instance in positron emission tomography ( PET ).
- Tritium is a low-energy beta emitter commonly used as a radiotracer in research and in traser self-powered lightings and some " beta emission from tritium are so low in energy ( average decay energy 5.7 keV ) that a Geiger counter cannot be used to detect them . An advantage of the low energy of the decay is that it is easy to shield, since the low energy electrons penetrate only to shallow depths, reducing the safety issues in deal with the isotope.
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