نتایج جستجو برای: radiosynthesis
تعداد نتایج: 363 فیلتر نتایج به سال:
Disturbances of the endothelin axis have been described in tumor angiogenesis and in highly vascularized tumors, such as thyroid carcinoma. Consequently, the endothelin (ET) receptor offers a molecular target for the visualization of the endothelin system in vivo by positron emission tomography (PET). We therefore endeavoured to develop a subtype-selective ETA receptor (ETAR) radioligand by int...
6-[18F]fluoro-L-DOPA is a radiotracer widely used in the diagnosis of range diseases, including neuro-oncology, endocrinology, and Parkinson’s disease. To meet rapidly growing clinical need for this radioactive compound, study reports an optimized radiosynthesis molecule, which proved to be highly reliable compatible with different types automated radiosynthesizers. Moreover, 6-[18F]fluoro-L-DO...
INTRODUCTION GR103545 is a potent and selective kappa-opioid receptor agonist. Previous studies in non-human primates demonstrated favorable properties of [(11)C]GR103545 as a positron emission tomography tracer for in vivo imaging of cerebral kappa-opioid receptor. Nonetheless, advancement of [(11)C]GR103545 to imaging studies in humans was hampered by difficulties of its multiple-step radiosy...
BACKGROUND The α7 nicotinic acetylcholine receptor (nAChR) is an important molecular target in neuropsychiatry and oncology. Development of applicable highly specific radiotracers has been challenging due to comparably low protein expression. To identify novel ligands as candidates for positron emission tomography (PET), a library of diazabicyclononane compounds was screened regarding affinity ...
BACKGROUND The red fluorescent dye Sulforhodamine 101 (SR101) has been used in neuroscience research as a useful tool for staining of astrocytes, since it has been reported as a marker of astroglia in the neocortex of rodents in vivo. The aim of this work is to label SR101 with positron emission radionuclides, in order to provide a radiotracer to study its biological behavior. This is the first...
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