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JoVE Journal
Peer reviewed scientific video journal
JoVE Encyclopedia of Experiments
Video encyclopedia of advanced research methods
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JoVE Core
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JoVE Science Education
Visual demonstrations of key scientific experiments
JoVE Lab Manual
Videos of experiments for undergraduate lab courses
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Please note that some of the translations on this page are AI generated. Click here for the English version.
首先切除小鼠脑组织,脑血管中含有血栓或血凝块。
血栓用近红外荧光或 NIRF 探针标记,该探针在血栓成熟期间与纤维蛋白链共价结合。
将脑组织置于近红外成像仪中,将大脑底部或腹侧朝上放置,以对主要脑动脉中的血栓进行成像。
将近红外光照射到脑组织,激发标记血栓中的 NIRF 探针。
激发后,探头发射更长波长的光。
这会导致血栓发出荧光并在黑暗背景下显得明亮,从而最大限度地减少周围组织的干扰。
接下来,倒置脑组织并对大脑的背侧进行成像,以可视化小皮质血管中的血栓。
这确保了脑组织中血栓的完整可视化,具有高对比度。
要通过离体近红外成像观察血栓,请将切除的脑组织放入成像仪中,底部朝上。获得威利斯环动脉中荧光标记的血栓栓塞的图像。然后,定位组织,顶点朝上并成像皮质血栓栓塞。