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Enhancement of magnetic resonance contrast effect using ionic magnetic clusters

Authors
 Sung-Baek Seo  ;  Jaemoon Yang  ;  Tong-Il Lee  ;  Chan-Hwa Chung  ;  Yong Jin Song  ;  Jin-Suck Suh  ;  Ho-Geun Yoon  ;  Yong-Min Huh  ;  Seungjoo Haam 
Citation
 JOURNAL OF COLLOID AND INTERFACE SCIENCE, Vol.319(2) : 429-434, 2008 
Journal Title
 JOURNAL OF COLLOID AND INTERFACE SCIENCE 
ISSN
 0021-9797 
Issue Date
2008
MeSH
Anions/chemistry ; Cations/chemistry ; Cetrimonium ; Cetrimonium Compounds/chemistry ; Magnetic Resonance Imaging/methods* ; Microscopy, Electron, Transmission ; Nanoparticles/chemistry* ; Sodium Dodecyl Sulfate/chemistry ; Spectroscopy, Fourier Transform Infrared
Keywords
Anions/chemistry ; Cations/chemistry ; Cetrimonium ; Cetrimonium Compounds/chemistry ; Magnetic Resonance Imaging/methods* ; Microscopy, Electron, Transmission ; Nanoparticles/chemistry* ; Sodium Dodecyl Sulfate/chemistry ; Spectroscopy, Fourier Transform Infrared
Abstract
Precise diagnosis by magnetic resonance imaging (MRI) requires sensitive magnetic resonance probes to detect low concentrations of magnetic substances. Ionic magnetic clusters (IMCs) as versatile magnetic probes were successfully synthesized for enhancing the magnetic resonance (MR) contrast effect as well as ensuring high water solubility. IMCs with various sizes were prepared by assembly of MNCs using cationic cetyltrimethylammonium bromide (CTAB) and anionic sodium dodecyl sulfate (SDS). To synthesize IMCs in the aqueous phase, magnetic nanocrystals in an organic solvent were assembled with CTAB and SDS using the nanoemulsion method, to fabricate cationic magnetic clusters (CMCs) and anionic magnetic clusters (AMCs), respectively. IMCs demonstrated ultrasensitivity by MR imaging and sufficient magnetic mobility under an external magnetic field.
Full Text
http://www.sciencedirect.com/science/article/pii/S0021979707016906#
DOI
10.1016/j.jcis.2007.11.026
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Biochemistry and Molecular Biology (생화학-분자생물학교실) > 1. Journal Papers
Yonsei Authors
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Yang, Jae Moon(양재문) ORCID logo https://orcid.org/0000-0001-7365-0395
Yoon, Ho Geun(윤호근) ORCID logo https://orcid.org/0000-0003-2718-3372
Huh, Yong Min(허용민) ORCID logo https://orcid.org/0000-0002-9831-4475
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/108107
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