超顺磁性氧化铁体外标记大鼠骨髓基质干细胞的传代：细胞中铁粒子会随传代而变化吗？
Passage of superparamagnetic iron oxide labeled rat bone marrow mesenchymal stem cells in vitro: Do iron particles change with passage?
所述超顺磁性氧化铁标记的人胰腺癌细胞株可在磁共振成像中应用，在构建胰腺癌动物模型中应用。
The superparamagnetic iron oxide labeled human pancreas cancer cell strain can be applied to magnetic resonance imaging and applied to constructing a pancreas cancer animal model.
结论 超顺磁性氧化铁对干细胞标记率高，磁共振活体追踪有利于了解干细胞移植后的存活和迁移。
The changes of infarction volume were not significantly different among these three groups. Conclusions MRI is feasible for in vivo tracking of BMSCs labeled with SPIO in rats.
目的：观察血管内磁敏性造影剂超顺磁性氧化铁微粒(SPIO2)显示急性心肌梗塞灶的可能性和优越性。
Objective: To evaluate the feasibility and advantage of MRI with the intravascular susceptibility contrast agent, superparamagnetic iron oxide (SPIO2), in demonstrating acute myocardial infarction.
目的：研究正常大鼠肝脏磁共振的超顺磁性氧化铁(SPIO)剂量梯度-肝脏信号曲线，寻找合适的增强剂量。
Objective: to establish a curve of dosage gradient liver signal intensity of superparamagnetic iron oxide (SPIO) in normal rats and to find an appropriate dose for enhancement.
对于TA-超顺磁性氧化铁标记的细胞，磁共振影像和弛豫时间的测量发现，信号强度减弱50%-90%，而T2弛豫增加40倍。
For TA-SPIO-labeled cells, MR images and relaxometry findings showed a 50%-90% decrease in signal intensity and a more than 40-fold increase in T2s.
对于TA-超顺磁性氧化铁标记的细胞，磁共振影像和弛豫时间的测量发现，信号强度减弱50%-90%，而T2弛豫增加40倍。
For TA-SPIO-labeled cells, MR images and relaxometry findings showed a 50%-90% decrease in signal intensity and a more than 40-fold increase in T2s.
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