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Title: Routine Production of 89Zr Using an Automated Module

Journal Article · · Applied Sciences
DOI:https://doi.org/10.3390/app3030593· OSTI ID:1454864
 [1];  [2];  [2];  [2];  [2];  [3];  [1]
  1. Washington Univ., St. Louis, MO (United States). School of Medicine. Mallinckrodt Inst. of Radiology. Dept. of Biomedical Engineering
  2. Washington Univ., St. Louis, MO (United States). School of Medicine. Mallinckrodt Inst. of Radiology
  3. Washington Univ., St. Louis, MO (United States). School of Medicine. Mallinckrodt Inst. of Radiology. Dept. of Physics

89Zr has emerged as a useful radioisotope for targeted molecular imaging via positron emission tomography (PET) in both animal models and humans. This isotope is particularly attractive for cancer research because its half-life (t1/2 = 3.27 days) is well-suited for in vivo targeting of macromolecules and nanoparticles to cell surface antigens expressed by cancer cells. Furthermore, 89Zr emits a low-energy positron (Eβ+,mean = 0.40 MeV), which is favorable for high spatial resolution in PET, with an adequate branching ratio for positron emission (BR = 23%). The demand for 89Zr for research purposes is increasing; however, 89Zr also emits significant gamma radiation (Γ15 keV = 6.6 R∙cm2/mCi∙h), which makes producing large amounts of this isotope by hand unrealistic from a radiation safety standpoint. Fortunately, a straightforward method exists for production of 89Zr by bombarding a natural Y target in a biomedical cyclotron and then separation of 89Zr from the target material by column chromatography. The chemical separation in this method lends itself to remote processing using an automated module placed inside a hot cell. In this work, we have designed, built and commissioned a module that has performed the chemical separation of 89Zr safely and routinely, at activities in excess of 50 mCi, with radionuclidic purity > 99.9% and satisfactory effective specific activity (ESA).

Research Organization:
Washington Univ., St. Louis, MO (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP); National Inst. of Health (NIH) (United States)
Grant/Contract Number:
NA0000979; SC0008657; T32EB014855-01
OSTI ID:
1454864
Journal Information:
Applied Sciences, Vol. 3, Issue 3; ISSN 2076-3417
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (10)

Radiometals for imaging and theranostics, current production, and future perspectives
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  • Journal of Labelled Compounds and Radiopharmaceuticals, Vol. 62, Issue 10 https://doi.org/10.1002/jlcr.3770
journal July 2019
[89Zr]Trastuzumab: Evaluation of Radiation Dosimetry, Safety, and Optimal Imaging Parameters in Women with HER2-Positive Breast Cancer journal May 2016
Targeting HER2 in Nuclear Medicine for Imaging and Therapy journal January 2018
Comparative Study with 89Y-foil and 89Y-pressed Targets for the Production of 89Zr † journal September 2018
Medical Cyclotron Solid Target Preparation by Ultrathick Film Magnetron Sputtering Deposition journal March 2019
Evaluation of 89Zr-pertuzumab in Breast Cancer Xenografts journal August 2014
Zirconium-89 Labeled Antibodies: A New Tool for Molecular Imaging in Cancer Patients journal January 2014
Development of 89Zr-Ontuxizumab for in vivo TEM-1/endosialin PET applications journal February 2016
Microfluidic Preparation of a 89 Zr-Labeled Trastuzumab Single-Patient Dose journal January 2016
Recent Advances in Zirconium-89 Chelator Development journal March 2018