Liu Rui
2005
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Journal
Journal of the Graduate School of the Chinese Academy of Science
Abstract
In this paper,2,4,6-triiodophenol-ethylcellulose-microsphere was developed by in-liquid drying method,in order to increase the granularity of the X-ray CT contrast agent and to prevent the blood vessel X-ray CT contrast agent from exuding through the vascular wall to the tissue. The influences of the composition ratio of 2,4,6-triiodophenol: ethylcellulose to the microspheres' appearance and diameter,and the entrapment of 2,4,6-triiodophenol were studied. It was found that when the composition ratio was 1∶2,the microspheres' appearance was round,the average diameter was only 3.68μm,and the entrapment of 2,4,6-triiodophenol was 41.4%.