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Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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相关实验视频

Updated: Jun 17, 2025

LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement
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LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement

Published on: January 21, 2013

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一个叶子测序算法对一个直角的双层多叶子聚合器.

Weijie Cui1, Jianrong Dai1

  • 1Department of Radiation Oncology, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China.

Biomedical physics & engineering express
|August 7, 2024
PubMed
概括
此摘要是机器生成的。

在强度调节放射治疗中,用于双层MLC的新型叶子测序算法显著减少了输送段. 这种方法提高了直角DMLC的效率,改善了治疗的交付.

关键词:
双层多叶合器是双层多叶合器.这是一个直角的直角形.部分部分部分部分部分部分部分部分部分测序算法 测序算法 测序算法

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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development

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Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

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相关实验视频

Last Updated: Jun 17, 2025

LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement
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LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement

Published on: January 21, 2013

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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development

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Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

Published on: August 4, 2018

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科学领域:

  • 医学物理 医学物理
  • 辐射瘤学 辐射瘤学
  • 计算生物学 计算生物学

背景情况:

  • 双层MLC用于放射治疗,但叶子测序是一个挑战.
  • 优化叶子测序对于高效的强度调节辐射疗法 (IMRT) 是至关重要的.

研究的目的:

  • 开发和评估使用直角双层MLC (DMLC) 进行强度调节放射治疗 (IMRT) 的新型叶子测序算法.

主要方法:

  • 开发了一个代算法,灵感来自现有的单层MLC方法.
  • 该算法通过最小化剩余流动矩阵中的复杂性来确定段强度和形状.
  • 该方法使用随机生成和临床相关的流动性矩阵进行验证,将结果与已建立的单层MLC算法进行比较.

主要成果:

  • 与单层MLC算法相比,拟议的算法将随机矩阵的平均分段数量减少了27.7%41.8%,临床IMRT病例的平均分段数量减少了10.5%41.7%.
  • 该算法证明了对更简单的流动矩阵的调制计划 (MU) 效率有所提高,对复杂的矩阵的效率略低.

结论:

  • 开发的算法有效地生成叶子序列,用于直角的DMLC传递,减少分段数量.
  • 这种方法显示了使用DMLC技术提高IMRT治疗效率和质量的潜力.