On SPIO enhanced scans, parenchymal signal was markedly decreased in 6 lesions, and the central scar became more clear in 5 lesions.
SPIO增强扫描6个病灶实质部分信号明显降低，5个中心瘢痕显示更清晰。
The iron core size was 15 nm and the formation of Fe(3)O(4) crystal in SPIO nanoparticles was confirmed by X-ray diffraction (XRD) analysis.
经X射线衍射分析证实，铁核的大小为15纳米，在SPIO纳米颗粒中形成了Fe3O4晶体。
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。
Objective To evaluate the value of superparamagnetic iron oxide (SPIO) -enhanced magnetic resonance (MR) imaging in the diagnoses of focal liver lesions.
目的评价超顺磁氧化铁(SPIO)增强MR成像对肝脏占位性病变的诊断价值。
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.
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。
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.
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。
SPIO-labeled ADSCs were transplanted into normal rat hearts and were in vivo imaged with MRI. Image findings on MRI were correlated with histological findings of the rat hearts.
将经过SPIO标记的干细胞移植入正常大鼠心脏，使用MRI进行活体成像观察并与病理结果进行对照分析。
METHODS: The SPIO nanoparticle was obtained by means of classical coprecipitation in dextran solution and its size determined by electron microscopy and photon-correlation spectroscopy.
方法：在葡聚糖溶液中，通过经典的共沉淀方法获得SPIO纳米颗粒，用电镜和光子相关光谱法技术分析颗粒的大小。
The results suggest that macrophages in several of transplantation tumor lesions and changes of SPIO-enhanced MRI signal can be used as the method of evaluating the tumor immunological responses.
少数纯瘤株移植瘤结节内见巨噬细胞是肿瘤免疫应答的结果，SPIO增强MRI信号变化可作为评价肿瘤免疫的方法。
The results suggest that macrophages in several of transplantation tumor lesions and changes of SPIO-enhanced MRI signal can be used as the method of evaluating the tumor immunological responses.
少数纯瘤株移植瘤结节内见巨噬细胞是肿瘤免疫应答的结果，SPIO增强MRI信号变化可作为评价肿瘤免疫的方法。
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