Silver-coated monolithic columns for separation in radiopharmaceutical applications
Language English Country Germany Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S.
- Keywords
- Capture, Iodide, Iodine, Monoliths, Silver nanoparticles,
- MeSH
- 3-Iodobenzylguanidine isolation & purification MeSH
- Metal Nanoparticles chemistry MeSH
- Methylmethacrylates chemistry MeSH
- Porosity MeSH
- Surface Properties MeSH
- Radiopharmaceuticals isolation & purification MeSH
- Silver chemistry MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Research Support, U.S. Gov't, Non-P.H.S. MeSH
- Names of Substances
- 3-Iodobenzylguanidine MeSH
- GMA-EDMA MeSH Browser
- Methylmethacrylates MeSH
- Radiopharmaceuticals MeSH
- Silver MeSH
In this study, we demonstrate the preparation of a macroporous monolithic column containing anchored silver nanoparticles and its use for the elimination of excess radioiodine from the radiolabeled pharmaceutical. The poly(glycidyl methacrylate-co-ethylene dimethacrylate) monolith was first functionalized with cystamine and the free thiol groups liberated by reaction with borohydride. In-house-prepared silver nanoparticles were then attached by interaction with the surface thiols. The deiodization process was demonstrated with the commonly used radiopharmaceutical m-iodobenzylguanidine labeled with radionuclide iodine-125.
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