“易损斑块内的脂质坏死核心,在特定激发光的照射下可以发出荧光。此外,易损斑块往往伴随着血管内的炎症反应,导致炎症的细菌代谢物卟啉也带有自体荧光。综合这些线索就能顺藤摸瓜,精准找到病灶。”张晓说,常见的以注射造影剂激发荧光的方式,存在引发过敏反应风险,部分患者不适用;新型造影剂的人体安全审批流程又复杂漫长。将荧光成像功能集纳到传统OCT设备上,无需外源性荧光造影剂,即可实现“一键扫雷”,在精准拍摄光 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...
The number of internally displaced persons in the Horn of Africa rose to 20.75 million at the end of 2024, the International ...