V2EX live-cell imaging

Live-Cell Imaging

释义 Definition

活细胞成像:在细胞保持存活状态下,使用显微镜与荧光标记等技术对细胞结构与动态过程(如分裂、迁移、蛋白定位变化)进行实时或连续观察与记录的方法。(该术语也常与 time-lapse microscopy/时间推移显微成像等一起使用。)

发音 Pronunciation

/lv sl md/

例句 Examples

We used live-cell imaging to watch the cells divide.
我们用活细胞成像观察细胞分裂。

Live-cell imaging revealed that the protein rapidly relocates to the nucleus after stress, a change that fixed-cell staining would have missed.
活细胞成像显示该蛋白在应激后会迅速重新定位到细胞核,这种变化用固定细胞染色可能会被遗漏。

词源 Etymology

该短语由三部分组成:live(活的、在存活状态下)+ cell(细胞)+ imaging(成像、影像获取)。整体字面义即“对活细胞进行成像”。在细胞生物学与生物医学研究中,这一表达随着荧光蛋白标记、共聚焦/旋转盘显微镜等技术发展而普及,用来强调“不固定、不杀死细胞、尽量保持生理状态”这一观察前提。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Molecular Biology of the Cell》(Alberts 等):在细胞骨架、细胞运输与信号通路等章节中常讨论并使用 live-cell imaging 作为观察动态过程的重要方法。
  • 《Lewin’s Genes》:在基因表达调控与细胞过程的实验方法叙述中提及 live-cell imaging 与荧光标记的结合应用。
  • 《Current Protocols in Cell Biology》(方法学汇编):多篇实验流程标题与正文直接使用 live-cell imaging(如活细胞荧光成像、时间推移成像方案)。
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