| 摘要 |
The present invention relates to a system for measuring the biological activity of chemoattractants comprising at least two units separated by a semipermeable carrier wherein biologically active carbohydrate structures, preferably glycosaminoglycan (GAG) structures, are immobilized on the surface of said carrier. According to the invention, this system can be used for fast and economic measurement of the degree of cell mobility and chemotactic activity.
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