Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents

Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents Publisher

Behshid B¹ ; Ahmad K¹ ; Hojjat SA² ; Sabino VV³ ; Jesus RC⁴ ; Del Puerto MM³ ; Morteza M⁵

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1. Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
2. School of Pharmacy, Isfahan Pharmaceutical Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
3. Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain
4. Instituto de Estudios Biofuncionales, Centro de Investigacion Biomodica en Red de Enfermedades Respiratorias (CIBERES), Universidad Complutense, Madrid 28040, Spain
5. Physics Department, Razi University, Kermanshah, Iran

Source: IFMBE Proceedings Published:2011

Abstract

Monodispersed aqueous ferrofluids of superparamagnetic Gd substituted Zn-Fe ferrite (Fe0.7 Zn03 Gdy Fe 2∈-∈y O4, y=0, 0.01, 0.025, 0.04 and 0.05) nanoparticles were synthesized via a direct, efficient and environmentally friendly citric acid assisted hydrothermal method. Synthesized nanoparticles were characterized by X Ray Powder Diffraction (XRD), Fourier Transform Infrared (FTIR) spectroscopy, Transmission Electron Microscopy (TEM) , Dynamic Light Scattering (DLS) method and Nuclear Magnetic Resonance (NMR). Ferrofluids obtained by this way showed good stability at pH=7 and hydrodynamic sizes lower than 100 nm with polydispersity indexes below 0.2 at high concentrations (>25 mg/ml). Longitudinal (r1) and transverse (r2) relaxivities were measured at 1.5 T and 37 °C. The results showed that the substitution of Gd in the structure of Zn-Fe ferrite has a strong effect on the transverse (r2) relaxivity, increasing its value up to 400 s-1. mM-1. © 2011 Springer-Verlag Berlin Heidelberg.

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Style	Citing Format
MLA	Behshid B, et al.. "Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents." IFMBE Proceedings, vol. 37, no. , 2011, pp. 1113-1118.
APA	Behshid B, Ahmad K, Hojjat SA, Sabino VV, Jesus RC, Del Puerto MM, Morteza M (2011). Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents. IFMBE Proceedings, 37(), 1113-1118.
Chicago	Behshid B, Ahmad K, Hojjat SA, Sabino VV, Jesus RC, Del Puerto MM, Morteza M. "Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents." IFMBE Proceedings 37, no. (2011): 1113-1118.
Harvard	Behshid B et al. (2011) 'Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents', IFMBE Proceedings, 37(), pp. 1113-1118.
Vancouver	Behshid B, Ahmad K, Hojjat SA, Sabino VV, Jesus RC, Del Puerto MM, et al.. Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents. IFMBE Proceedings. 2011;37():1113-1118.
BibTex	@article{ author = {Behshid B and Ahmad K and Hojjat SA and Sabino VV and Jesus RC and Del Puerto MM and Morteza M}, title = {Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents}, journal = {IFMBE Proceedings}, volume = {37}, number = {}, pages = {1113-1118}, year = {2011} }
RIS	TY - JOUR AU - Behshid B AU - Ahmad K AU - Hojjat SA AU - Sabino VV AU - Jesus RC AU - Del Puerto MM AU - Morteza M TI - Gd Substituted Zn-Fe Ferrite Nanoparticles As High T2 Mri Agents JO - IFMBE Proceedings VL - 37 IS - SP - 1113 EP - 1118 PY - 2011 ER -

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