To determine the outcome of the biomaterial after injection, calcium-crosslinked biotin-labeled alginate was injected into the infarct 7 days after anterior myocardial infarction in rat.

• 为了测定注射后生物材料的结果，小鼠前壁心肌梗塞7天后钙离子交联型生物素标记海藻酸钠被注入梗塞部位。