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| Field | Value |
| Title | Nanoscale assembly of amine-functionalized colloidal iron oxide |
| Names |
BARICK, KC
(author) ASLAM, M (author) PRASAD, PV (author) DRAVID, VP (author) BAHADUR, D (author) |
| Date Issued | 2009 (iso8601) |
| Abstract | We demonstrate a single-step facile approach for highly water-stable assembly of amine-functionalized Fe(3)O(4) nanoparticles using thermal decomposition of Fe-chloride precursors in ethylene glycol medium in the presence of ethylenediamine. The average size of nanoassemblies is 40 perpendicular to 1 nm, wherein the individual nanoparticles are about 6nm. Amine-functionalized properties are evident from Fourier transform infrared spectrometer (FTIR), thermal and elemental analyses. The saturation magnetization and spin-echo r(2) of the nanoassemblies were measured to be 64.3emu/g and 314.6 mM(-1) s(-1), respectively. The higher value of relaxivity ratio(r(2)/r(1) = 143) indicates that nanoassemblies are a promising high-efficiency T2 contrast agent platform. & 2009 Elsevier B.V. All rights reserved. |
| Genre | Article; Proceedings Paper |
| Topic | magnetic nanoparticles |
| Identifier | 0304-8853 |
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