Results 51 to 60 of about 60,387 (338)

Fifty Shades of Scandium: Comparative Study of PET Capabilities Using Sc-43 and Sc-44 with Respect to Conventional Clinical Radionuclides

Diagnostics, 2021
Scandium-44 has been proposed as a valuable radionuclide for Positron Emission Tomography (PET). Recently, scandium-43 was introduced as a more favorable option, as it does not emit high-energy γ-radiation; however, its currently employed production ...
Thiago V. M. Lima, Silvano Gnesin, Klaus Strobel, Maria del Sol Pérez, Justus E. Roos, Cristina Müller, Nicholas P. van der Meulen   +6 more
doaj   +1 more source

An unusual cause of gynaecomastia in a male [PDF]

, 2019
Summary: Beta-human chorionic gonadotropin (βhCG) is normally produced by syncytiotrophoblasts of the placenta during pregnancy and aids embryo implantation.
Bano, G, Beharry, N, Du Parcq, J, Hameed, A, Rehman, T   +4 more
core   +1 more source

Enhancing Optoelectronic Properties in Phthalocyanine‐Based SURMOFs: Synthesis of ABAB Linkers by Avoiding Statistical Condensation with Tailored Building Blocks

Advanced Functional Materials, EarlyView.
A novel phthalocyanine (PC)‐based metal–organic framework (MOFs) is synthesized using ditopic PC linkers obtained through regioselective statistical condensation. The resulting MOF exhibits significant improvements in electronic absorption, thereby enhancing the material's performance in light harvesting and energy conversion.
Lukas S. Langer, Mareen Stahlberger, Xiaojing Liu, Yi Luo, Niklas E. Häußermann, Puja Singhvi, Yidong Liu, Olaf Fuhr, Martin Nieger, Lars Heinke, Thomas Heine, Christof Wöll, Stefan Bräse   +12 more
wiley   +1 more source

Synthesis and evaluation of TSPO-targeting radioligand [18F]F-TFQC for PET neuroimaging in epileptic rats

Acta Pharmaceutica Sinica B
The translocator protein (TSPO) positron emission tomography (PET) can noninvasively detect neuroinflammation associated with epileptogenesis and epilepsy.
Wenhui Fu, Qingyu Lin, Zhequan Fu, Tingting Yang, Dai Shi, Pengcheng Ma, Hongxing Su, Yunze Wang, Guobing Liu, Jing Ding, Hongcheng Shi, Dengfeng Cheng   +11 more
doaj   +1 more source

Solid-phase synthesis and fluorine-18 radiolabeling of cycloRGDyK [PDF]

Organic & Biomolecular Chemistry, 2016
A rapid, efficient single continuous process for peptide synthesis, cyclization, and radiolabeling on solid-support with a single purification step afforded a high purity radiotracer.
Davis, Ryan A, Lau, Kevin, Hausner, Sven H, Sutcliffe, Julie L   +3 more
openaire   +5 more sources

ARAS: an automated radioactivity aliquoting system for dispensing solutions containing positron-emitting radioisotopes. [PDF]

, 2016
BackgroundAutomated protocols for measuring and dispensing solutions containing radioisotopes are essential not only for providing a safe environment for radiation workers but also to ensure accuracy of dispensed radioactivity and an efficient workflow ...
Carroll, Lewis, Chatziioannou, Arion F, Collins, Jeffrey, Dooraghi, Alex A, van Dam, R Michael   +4 more
core   +2 more sources

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Microfluidic radiosynthesis of [18F]FEMPT, a high affinity PET radiotracer for imaging serotonin receptors

Beilstein Journal of Organic Chemistry, 2017
Continuous-flow microfluidics has shown increased applications in radiochemistry over the last decade, particularly for both pre-clinical and clinical production of fluorine-18 labeled radiotracers.
Thomas Lee Collier, Steven H. Liang, J. John Mann, Neil Vasdev, J. S. Dileep Kumar   +4 more
doaj   +1 more source

Fluorine-18 Radiochemistry, Labeling Strategies and Synthetic Routes [PDF]

Bioconjugate Chemistry, 2014
Fluorine-18 is the most frequently used radioisotope in positron emission tomography (PET) radiopharmaceuticals in both clinical and preclinical research. Its physical and nuclear characteristics (97% β(+) decay, 109.7 min half-life, 635 keV positron energy), along with high specific activity and ease of large scale production, make it an attractive ...
Orit Jacobson, Xiaoyuan Chen, Dale O. Kiesewetter   +2 more
openaire   +3 more sources

Synthesis of 18F-labelled 2-fluoro-1,4-quinones using acetylhypofluorite [PDF]

, 1988
The fluorination of 1,4-benzo- and naphthoquinones using [18F]acetylhypofluorite is described.
Herscheid, Jacobus D.M., Verboom, Willem, Visser, Gerard W.M., Wedzinga, Rinny   +3 more
core   +3 more sources