Luciferase2/mKate2双报告基因对小鼠骨髓间充质干细胞的标记及活体光学成像研究
摘 要: 【目的】 Luciferase2/mKate2双报告基因标记小鼠骨髓间充质干细胞(mMSC),并进行活体生物发光和荧光双模态光学成像研究。【方法】全骨髓细胞贴壁分离法提取mMSC,进行细胞表面标志物和多向分化潜能的鉴定;CMV-Luciferase2-mKate2慢病毒感染mMSC,根据细胞内远红荧光蛋白mKate2的表达水平评估转染效率并利用流式细胞仪进行纯化筛选;对筛选后的mMSC(mMSC-CMV-Luc2-mKate2,mKate2+>95%)进行活体生物发光和荧光双模态光学成像 ...
doaj
[Research progress of molecular imprinting technology in the field of disease diagnosis and therapy]. [PDF]
Zhu R, Cai GP, Zheng HJ, Jia Q.
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本文聚焦一种具有横向企口构造的轻钢龙骨装配式复合墙板,展开防水性能试验研究。首先设计足尺试件,开展风压下淋水试验,参照相关标准采用稳定加压法,模拟不同风荷载与风雨共同作用,运用目测法、化学试纸法观测墙体本身水密性;之后针对不同企口间隙的墙板进行淋水试验,运用目测法、化学试纸法和红外热成像法观测横缝渗漏情况。试验结果显示:该复合墙板水密性能优良,水密性能指标达3 000 Pa,满足相关标准要求;横缝间隙影响墙面渗漏,间隙宜控制在2 mm以下;红外热成像检测法能有效判断墙板拼缝是否渗漏 ...
张慧洁 +4 more
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Xie HR, Wei L.
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Ji X, Zhang L, Huang D.
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Wang HY, Zhou W, Huang LS.
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