Published 2015
| Version v1
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Iron oxide nanoparticles for use in contrast agents in magnetic resonance imaging
Creators
- 1. Pontificia Universidade Catolica do Rio Grande do Sul (PUC-RS), Porto Alegre, RS (Brazil)
Description
In this work were carried out synthesis of iron oxide nanoparticles coated with dextran, comparing the results of using different concentrations of dextran, iron salts, temperature and reaction time. The compounds were analyzed by DLS, XRD, TGA, TEM, FTIR, Zeta Potential and relaxivity. Nanoparticles with dispersion around 10-15 nm and average hydrodynamic diameters of 16-50 nm, with superparamagnetic behavior were obtained. The ratio of the relaxivities (r2/r1) in aqueous solutions was 5.30, close to value of the commercially available iron oxide contrast agents. (author)
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48036455.pdf
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Additional details
Additional titles
- Original title (Portuguese)
- Nanoparticulas de oxido de ferro para uso como agentes de contraste em imagens por ressonancia magnetica
Publishing Information
- Imprint Pagination
- 5 p.
- Report number
- INIS-BR--17271
Conference
- Title
- 13. Brazilian congress of polymers
- Original Conference Title
- 13. congresso brasileiro de polimeros
- Dates
- 18-22 Oct 2015
- Place
- Natal, RN (Brazil)
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 48036455
- Subject category
- S36: MATERIALS SCIENCE; S77: NANOSCIENCE AND NANOTECHNOLOGY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- CONTRAST MEDIA; COPRECIPITATION; DEXTRAN; FOURIER TRANSFORMATION; INFRARED SPECTRA; IRON OXIDES; NANOPARTICLES; NMR IMAGING; SYNTHESIS; THERMAL GRAVIMETRIC ANALYSIS; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION
- Descriptors DEC
- BLOOD SUBSTITUTES; CARBOHYDRATES; CHALCOGENIDES; CHEMICAL ANALYSIS; COHERENT SCATTERING; DIAGNOSTIC TECHNIQUES; DIFFRACTION; DRUGS; ELECTRON MICROSCOPY; GRAVIMETRIC ANALYSIS; HEMATOLOGIC AGENTS; INTEGRAL TRANSFORMATIONS; IRON COMPOUNDS; MICROSCOPY; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PARTICLES; POLYSACCHARIDES; PRECIPITATION; QUANTITATIVE CHEMICAL ANALYSIS; SACCHARIDES; SCATTERING; SEPARATION PROCESSES; SPECTRA; THERMAL ANALYSIS; TRANSFORMATIONS; TRANSITION ELEMENT COMPOUNDS