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相关概念视频

Photoluminescence: Applications01:14

Photoluminescence: Applications

385
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Fluorescence and Phosphorescence: Instrumentation01:25

Fluorescence and Phosphorescence: Instrumentation

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Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
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Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

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Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
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相关实验视频

Updated: Jun 17, 2025

Fluorescently Labeled Bacteria as a Tracer to Reveal Novel Pathways of Organic Carbon Flow in Aquatic Ecosystems
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光方法来测量pexophagy的方法

Francesco G Barone1,2, Sylvie Urbé1, Michael J Clague3

  • 1Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK.

Methods in molecular biology (Clifton, N.J.)
|August 8, 2024
PubMed
概括
此摘要是机器生成的。

我们介绍了一种方法,用光显微镜和专门的记者来研究pexophagy (过氧体的选择性自). 这种方法允许在各种模型中进行定量评估,有助于研究细胞降解过程.

关键词:
自自是一种自的过程.光显微镜的光学显微镜.凯玛-SKLL 是一个过氧化物体是多氧化物体.在Pexo-QC中使用Pexo-QC佩克索法基 (pexophagy) 是一种对人进行食的方法.

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科学领域:

  • 细胞生物学 细胞生物学
  • 分子生物学分子生物学
  • 自学研究 自学研究

背景情况:

  • 选择性自是维持恒常状态的关键细胞过程.
  • 佩克索法基,即氧体的选择性降解,在细胞质量控制中起作用.
  • 对于各种生理和病理条件来说,了解食机制至关重要.

研究的目的:

  • 描述一个定量光显微镜方法来研究pexophagy.
  • 引入比例计报告器,用于精确测量食.
  • 探索食诱导因子及其与食因子之间的关系.

主要方法:

  • 在组织细胞培养模型中使用光显微镜.
  • 采用专门局部化到氧体的比度报告器.
  • 评估固定细胞和活细胞以及整个生物体中的食性.

主要成果:

  • 开发了一种量化方法来评估pexophagy.
  • 证明了比度记者对食研究的实用性.
  • 鉴定了食症的化学和生理诱导剂.

结论:

  • 描述的方法为定量食分析提供了一个强大的工具.
  • 电比计报告器可以在不同的生物系统中精确监测食.
  • 对食诱导剂的进一步调查可能会揭示治疗点.