2015
Mapping 15O Production Rate for Proton Therapy Verification
Grogg K, Alpert N, Zhu X, Min C, Testa M, Winey B, Normandin M, Shih H, Paganetti H, Bortfeld T, Fakhri G. Mapping 15O Production Rate for Proton Therapy Verification. International Journal Of Radiation Oncology • Biology • Physics 2015, 92: 453-459. PMID: 25817530, PMCID: PMC4431894, DOI: 10.1016/j.ijrobp.2015.01.023.Peer-Reviewed Original ResearchConceptsDecay constantProton treatment planningMonte Carlo predictionsProton therapyPhantom materialTreatment deliveryPhantomThigh activityPositron emission tomographyProduction rateDynamic PET measurementsTreatment planningRabbit thigh muscleClearance rateProtonIsotopesChanges due to therapyRadionuclide speciesOxygen-15ConstantDecayImaging targetsMontePositronEffects of perfusion
2009
Improved MAGIC gel for higher sensitivity and elemental tissue equivalent 3D dosimetry
Zhu X, Reese T, Crowley E, Fakhri G. Improved MAGIC gel for higher sensitivity and elemental tissue equivalent 3D dosimetry. Medical Physics 2009, 37: 183-188. PMID: 20175480, PMCID: PMC2801736, DOI: 10.1118/1.3260844.Peer-Reviewed Original ResearchConceptsMAGIC gelTissue equivalentsGel dosimeterRange verificationNuclear reactionsDosimetry applicationsProton beam therapyPhantom materialTime-activity measurementsDosimetry purposesTransverse relaxation rateRelaxation rateBeam therapyDose-response curveSlopes of dose-response curvesGel formulationMAGICDose responseMelting pointSoft tissueDosimetersPhantomTime-activityProtonGlucose