Results 71 to 80 of about 3,231,427 (376)

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

open access: yesOrganic & 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   +3 more
openaire   +5 more sources

Synthesis of [ 18 F]GBR 12909, a dopamine reuptake inhibitor [PDF]

open access: yes, 1990
Preparation of no‐carrier‐added fluorine‐18 labeled GBR 12909 (1‐[2‐(bis(4‐fluorophenyl)methoxy)ethyl]‐4‐(3‐phenylpropyl)piperazine), a specific and high affinity inhibitor of dopamine reuptake, is described.
Haka, Michael S., Kilbourn, Michael R.
core   +1 more source

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

open access: yesAdvanced 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   +12 more
wiley   +1 more source

A New Highly Reactive and Low Lipophilicity Fluorine-18 Labeled Tetrazine Derivative for Pretargeted PET Imaging.

open access: yesACS Medicinal Chemistry Letters, 2016
A new (18)F-labeled tetrazine derivative was developed aiming at optimal radiochemistry, fast reaction kinetics in inverse electron-demand Diels-Alder cycloaddition (IEDDA), and favorable pharmacokinetics for in vivo bioorthogonal chemistry.
Outi M Keinänen   +10 more
semanticscholar   +1 more source

Evaluation of myocardial ischemia using a rest metabolism/stress perfusion protocol with fluorine-18 deoxyglucose/technetium-99m MIBI and dual-isotope simultaneous-acquisition single-photon emission computed tomography [PDF]

open access: yes, 1995
Objectives.This study sought to develop a dual-isotope single-acquisition single-photon emission computed tomographic (SPECT) protocol using a multihead SPECT camera equipped with an ultra-high energy collimator to evaluate rest metabolism/stress ...
Delbeke, Dominique   +6 more
core   +1 more source

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

open access: yesAdvanced 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   +10 more
wiley   +1 more source

Fluorine-18 labeled amino acids for tumor PET/CT imaging

open access: yesOncoTarget, 2017
Tumor glucose metabolism and amino acid metabolism are usually enhanced, 18F-FDG for tumor glucose metabolism PET imaging has been clinically well known, but tumor amino acid metabolism PET imaging is not clinically familiar.
Yiqiang Qi   +4 more
semanticscholar   +1 more source

Highly Efficient 3D‐Printed PVDF‐Based Triboelectric Nanogenerators Featuring Polymorphic Perovskite Nanofillers

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates the use of a low‐cost 3D printing technique to prepare a large‐area PVDF‐FAPbI3 composite dielectric film for flexible TENG application. The δ→α phase transformation of the FAPbI3 nanofillers has significantly improved the β‐phase content, morphology, and dielectric properties of the PVDF film.
Nurfatin Hafizah Zain Karimy   +7 more
wiley   +1 more source

Feasibility of Developing Radiotracers for MDM2: Synthesis and Preliminary Evaluation of an 18F-Labeled Analogue of the MDM2 Inhibitor SP-141

open access: yesPharmaceuticals, 2021
Murine double minute 2 (MDM2), a negative regulator of the p53 tumor suppressor protein, is overexpressed in several human cancers. Herein we investigate the feasibility of developing 18F-labeled compounds based on the small molecule inhibitor SP-141 for
Satish K. Chitneni   +3 more
doaj   +1 more source

Gallium-68 or Fluorine-18 for prostate cancer imaging?

open access: yes, 2017
The introduction of prostate specific membrane antigen (PSMA)-positron emission tomography (PET) using 68Ga revolutionized prostate cancer imaging. Outperforming standard imaging, it allows complete staging of the local tumor and possible lymph nodes ...
C. Kesch   +4 more
semanticscholar   +1 more source

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