G. Leonard Watkins

University of Iowa — United States

Medicine · Health Sciences

38h-index6.5kcitations100works0.02yr avg
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Research Topics

Medical Imaging Techniques and Applications(26), Functional Brain Connectivity Studies(24), Memory and Neural Mechanisms(15), Advanced MRI Techniques and Applications(13), Neural and Behavioral Psychology Studies(9)

Publications100 total

Optimizing the radiosynthesis of [68Ga]DOTA-MLN6907 peptide containing three disulfide cyclization bonds – a GCC specific chelate for clinical radiopharmaceuticals
Applied Radiation and Isotopes·2018· 2 cited
<sup>90</sup>Y-DOTATOC Dosimetry–Based Personalized Peptide Receptor Radionuclide Therapy
Journal of Nuclear Medicine·2018· 50 citedOpen Access
Pharmacoimaging of Blood-Brain Barrier Permeable (FDG) and Impermeable (FLT) Substrates After Intranasal (IN) Administration
The AAPS Journal·2017· 5 citedOpen Access
Localization of Unknown Primary Site with <sup>68</sup>Ga-DOTATOC PET/CT in Patients with Metastatic Neuroendocrine Tumor
Journal of Nuclear Medicine·2017· 41 citedOpen Access
Preliminary Investigation of Cerebral Blood Flow and Amyloid Burden in Veterans With and Without Combat-Related Traumatic Brain Injury
Journal of Neuropsychiatry·2015· 21 citedOpen Access
Synthesis of Oxygen‐15 Water ([<sup>15</sup>O]H<sub>2</sub>O)
2015· 2 cited
Repeatability of Gallium-68 DOTATOC Positron Emission Tomographic Imaging in Neuroendocrine Tumors
Pancreas·2013· 26 citedOpen Access
An Increasing Role for 68Ga PET Imaging: A Perspective on the Availability of Parent 68Ge Material for Generator Manufacturing in an Expanding Market
Journal of Postgraduate Medicine Education and Research·2013· 9 citedOpen Access
A new automated NaCl based robust method for routine production of gallium-68 labeled peptides
Applied Radiation and Isotopes·2012· 65 citedOpen Access
Automated preparation of gallium-68 DOTATOC for imaging neuroendocrine tumor patients at the University of Iowa: Initial experiences
Journal of Molecular Biology·2011
Modifications to the HPLC purification for PIB
2011
380 Phase I trial of OXi4503: positron emission tomography (PET) analysis shows early effects on tumour perfusion that predict metabolic response
European Journal of Cancer Supplements·2010
Stability of 3′-Deoxy-3′-[ <sup>18</sup> F]Fluorothymidine Standardized Uptake Values in Head and Neck Cancer Over Time
Cancer Biotherapy and Radiopharmaceuticals·2010· 3 cited
Investigation of the pharmacokinetics of 3′-deoxy-3′-[18F]fluorothymidine uptake in the bone marrow before and early after initiation of chemoradiation therapy in head and neck cancer
Nuclear Medicine and Biology·2010· 21 citedOpen Access
Kinetic Analysis of 3′-Deoxy-3′-<sup>18</sup>F-Fluorothymidine (<sup>18</sup>F-FLT) in Head and Neck Cancer Patients Before and Early After Initiation of Chemoradiation Therapy
Journal of Nuclear Medicine·2009· 78 citedOpen Access
Consistency of FLT SUVs in head and neck cancer over time
2009
Efficacy and toxicity of limited field concurrent chemoradiotherapy (CRT) with capecitabine for locally advanced pancreatic cancer (LAPC)
Journal of Clinical Oncology·2008
Effects of smoking marijuana on focal attention and brain blood flow
Human Psychopharmacology Clinical and Experimental·2007· 56 cited
Poster Session II
Neuropsychopharmacology·2004· 1 citedOpen Access
Investigation of signal averaging on image quality in positron emission tomography
2003 IEEE Nuclear Science Symposium. Conference Record (IEEE Cat. No.03CH37515)·2004
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Frequent Co-authors

Laura L. Boles Ponto(39), Nancy C. Andreasen(30), Daniel S. OʼLeary(30), Richard D. Hichwa(26), Stephan Arndt(13), R.D. Hichwa(12), Ted Cizadlo(10), Richard R. Hurtig(8), Karim Rezai(6), Sergio Paradiso(6), Robert I. Block(6), Michael K. Schultz(5), Benedicto Crespo‐Facorro(4), Michael R. Kilbourn(4), Anne K. Wiser(4), Susan K. Schultz(4), Yusuf Menda(4), John J. Sunderland(4), Steven A. Toorongian(3), Douglas M. Jewett(3)