（USPIO/SPIO）造影剂超顺磁性四氧化三铁颗粒，T2型造影剂
超顺磁性四氧化三铁颗粒（USPIO/SPIO）造影剂，其作用机理是降低T1、T2弛豫时间，主要是用于磁共振成像的各种医学应用，特别是对体内网状内皮系统有特异性，能用于肝脏，淋巴，骨髓等器官的增强显影。
优点
²双功能造影，可做T1 和T2 加权成像
²血液半衰期长，可达30min以上
²网状内皮系统特异性
²有很好的静脉造影效果
² 可用于细胞标记体内示踪实验
血管造影：
肝脏肿瘤造影：
T2造影剂列表：
Dextran@Fe3O4 Nanoparticle，Functionality Hydroxyl
Dextran@Fe3O4 Nanoparticle，Functionality amine
Rhodamine B- Dextran@Fe3O4 Nanoparticle，Functionality amine
EverGreen-Dextran@Fe3O4 Nanoparticle，Functionality amine
Coumarin-Dextran@Fe3O4 Nanoparticle，Functionality amine
Proprietary-Dextran@Fe3O4 Nanoparticle，Functionality amine
Fe3O4 Superparamagnetic，Functionality2carbon amine
Fe3O4 Superparamagnetic，Functionalityaromaticamine groups
PLL@Fe3O4 Superparamagnetic，Functionalityamine groups
Rhodamine B Fe3O4 SuperparamagneticNanoparticles，FunctionalityCarboxyl groups
Fe3O4 Superparamagnetic Nanoparticles，FunctionalityCarboxyland amine groups
Rhodamine B-Fe3O4 SuperparamagneticNanoparticles，FunctionalityCarboxyl and amine groups
Poly L-Tyrosine@Fe3O4 Nanoparticles
Azide@Dextran@Fe3O4 Nanoparticles
Biotin@Fe3O4 Nanoparticles
DOTA@Fe3O4 Nanoparticles
R-CYX005 Oleic acid modified Fe3O4nanoparticles 5mg/ml
R-CX005 Fe3O4Magnetic nanoparticles in water 5mg/ml
R-CHX002 SiO2@Fe3O4 Magnetic nanoparticles 2mg/ml
R-CHNX002 SiO2@Fe3O4 Magnetic nanoparticles coating amine function 2mg/ml
R-CHCX002 Fe3O4Magnetic nanoparticles coating carboxyl function 2mg/ml
R-CJ100X0 PEG@Fe3O4 Magnetic nanoparticles 2mg/ml
R-CKX002 Chitosan@Fe3O4 Magnetic nanoparticles 2mg/ml
R-CAX002 PAA@Fe3O4 Magnetic nanoparticles 2mg/ml
R-CVX0002 PVP@Fe3O4 Magnetic nanoparticles 2mg/ml
R-CBX0010 Streptavidin@Fe3O4 Magnetic nanoparticles 1mg/ml
R-CM10050 mesoporous silica@ Fe3O4 Magnetic nanoparticles
R-CMN10050 mesoporous silica@ Fe3O4 Magnetic nanoparticles coating Amine function
R-CMF10050 mesoporous silica@ Fe3O4 Magnetic nanoparticlescoating FITC function
R-JC30005 Au Coated Fe3O4 Magnetic Nanoparticles
R-C001002 PLL@Fe2O3 Nanoparticles 1mg/ml
R-C002005 PEI@Fe3O4 Magnetic Nanoparticles