Linked Life Data

19534563

Source:http://linkedlifedata.com/resource/pubmed/id/19534563

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
25
pubmed:dateCreated
2009-6-18
pubmed:abstractText
We report the formation of magnetic onion-type multilamellar vesicles. Iron oxide nanoparticles (np's) were synthesized inside lipidic multilamellar vesicles by coprecipitation of vesicle-encapsulated Fe(2+) and Fe(3+) ions induced by HO(-) diffusion through vesicle lamellae. The iron ion encapsulation efficiency of onions was measured by potentiometry and UV-vis absorbance spectroscopy. Its high value (75 +/- 5% for both Fe(2+) and Fe(3+)) ensures an intravesicular synthesis, as confirmed by cryo-transmission electron microscopy (TEM) imaging. The as-grown nanoparticles are characterized by X-ray diffraction analysis and TEM, and magnetic onions are imaged by cryo-TEM. The np size, controlled by temperature and time, ranges from 3 to 6 nm and is shown to be a key parameter for onion stability.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
1520-6106
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
113
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
8552-9
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Magnetic multilamellar liposomes produced by in situ synthesis of iron oxide nanoparticles: "magnetonions".
pubmed:affiliation
Centre de Recherche Paul Pascal, CNRS-Universite Bordeaux, Pessac, France. shigeo-ssk@chem.kyushu-univ.jp
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't