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Carbon-Encapsulated Radioactive 99mTc Nanoparticles

✍ Scribed by H. B. S. Chan; B. L. Ellis; H. L. Sharma; W. Frost; V. Caps; R. A. Shields; S. C. Tsang


Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
232 KB
Volume
16
Category
Article
ISSN
0935-9648

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✦ Synopsis


A macroscopic quantity of quasi‐spherical fullerene‐like shells (see Figure) that encapsulate iron nanoparticles containing radioisotope ^99m^Tc are prepared for the first time. The nanocomposite is acid‐non‐leachable, retaining radioactivity at an extremely high level. This method will enable rigorous studies of what are currently theoretical descriptions of nanometer‐scale medicinal delivery vehicles for diagnostic and therapeutic purposes.


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## Abstract Carbon‐encapsulated ferromagnetic Cobalt nanoparticles (Co@C) have been synthesized by catalytic chemical vapour deposition (CCVD). The nanoparticles, mainly ranging between 10 and 15 nm, are tightly encapsulated by 2–3 concentric graphitic carbon shells and protected from oxidation. Be