2022
Design, Synthesis, and Characterization of [18F]mG2P026 as a High-Contrast PET Imaging Ligand for Metabotropic Glutamate Receptor 2
Yuan G, Dhaynaut M, Guehl N, Afshar S, Huynh D, Moon S, Iyengar S, Jain M, Pickett J, Kang H, Ondrechen M, Fakhri G, Normandin M, Brownell A. Design, Synthesis, and Characterization of [18F]mG2P026 as a High-Contrast PET Imaging Ligand for Metabotropic Glutamate Receptor 2. Journal Of Medicinal Chemistry 2022, 65: 9939-9954. PMID: 35802702, PMCID: PMC9434700, DOI: 10.1021/acs.jmedchem.2c00593.Peer-Reviewed Original ResearchConceptsPositive allosteric modulatorsMetabotropic glutamate receptor 2Glutamate receptor 2Cu-mediated radiofluorinationPET imaging ligandsReceptor 2High molar activityExcellent radiochemical purityGloSensor assayPositron emission tomography radiotracersClasses of positive allosteric modulatorsNon-human primatesJNJ-46356479Radiochemical yieldBrain heterogeneityAllosteric modulatorsBrain uptakeMGluR2Molar activityLigandBrainBrain permeabilityImaging ligandsBinding kineticsMetabotropic
2020
A Chelate-Free Nano-Platform for Incorporation of Diagnostic and Therapeutic Isotopes
Gholami Y, Josephson L, Akam E, Caravan P, Wilks M, Pan X, Maschmeyer R, Kolnick A, Fakhri G, Normandin M, Kuncic Z, Yuan H. A Chelate-Free Nano-Platform for Incorporation of Diagnostic and Therapeutic Isotopes. International Journal Of Nanomedicine 2020, 15: 31-47. PMID: 32021163, PMCID: PMC6954846, DOI: 10.2147/ijn.s227931.Peer-Reviewed Original ResearchConceptsDynamic light scatteringRadiochemical yieldSize exclusion chromatographyThin-layer chromatographyEmpty d orbitalsF-orbital electronsD-orbitalsICP-MSRelaxation spectrometryRadioactive isotopologuesMass spectrometryInductively coupled plasma mass spectrometryChelate-freeNonradioactive metalsPositive chargePlasma mass spectrometryFh NPsNanoparticlesReaction timeLight scatteringMetalExclusion chromatographySpectrometryApproved drugsReaction
2014
First Human Use of a Radiopharmaceutical Prepared by Continuous-Flow Microfluidic Radiofluorination: Proof of Concept with the Tau Imaging Agent [18F]T807
Liang S, Yokell D, Normandin M, Rice P, Jackson R, Shoup T, Brady T, Fakhri G, Collier T, Vasdev N. First Human Use of a Radiopharmaceutical Prepared by Continuous-Flow Microfluidic Radiofluorination: Proof of Concept with the Tau Imaging Agent [18F]T807. Molecular Imaging 2014, 13: 7290.2014.00025. PMID: 25248283, DOI: 10.2310/7290.2014.00025.Peer-Reviewed Original Research