V2EX phosphorimager

Phosphorimager

释义 Definition

(生物化学/分子生物学)磷屏成像仪;用于读取并数字化“储能磷屏”(phosphor screen)上的信号,常见于放射性标记(如 ^32P、^35S)实验后的凝胶/膜成像与定量分析。也常泛指配套的软件与成像系统。

发音 Pronunciation (IPA)

/fsfrmdr/

例句 Examples

The lab used a phosphorimager to scan the gel after exposure.
实验室在曝光后用磷屏成像仪扫描凝胶。

After the membrane was washed, the signal was quantified with a phosphorimager, allowing accurate comparison between samples.
膜洗涤后,用磷屏成像仪对信号进行定量,从而能更准确地比较不同样本。

词源 Etymology

phosphor(磷光体、发光材料;这里指“储能磷屏”所用的磷光材料)+ imager(成像设备)构成。该词随着放射性核酸/蛋白检测从胶片曝光转向数字化定量而普及,强调“读取磷屏并生成图像/数据”的用途。

相关词 Related Words

文学与著名作品用例 Literary & Notable Works

(该词主要见于实验方法学与科研写作,而非传统文学作品)

  • Molecular Cloning: A Laboratory Manual(Sambrook & Russell):在放射性探针检测、膜/凝胶信号读取与定量的语境中常出现。
  • Current Protocols in Molecular Biology:方法步骤中常用 “analyzed/quantified using a phosphorimager” 的表述。
  • 期刊方法与结果部分常见(如 PNASThe Journal of Biological ChemistryNucleic Acids Research 等):“bands were quantified by phosphorimager/PhosphorImager analysis”等措辞用于条带定量。
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