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相关概念视频

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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Digital-micromirror-device-based illumination strategies for background suppression in single-molecule localization microscopy.

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相关实验视频

Updated: Sep 11, 2025

Author Spotlight: Characterizing Environmental Biofilm Mechanics Using Optical Coherence Elastography and its Applications in Wastewater Treatment
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超快速线路场扫描源扫描光学连贯弹性学 弹性学

Cheng Lu1, Jianli Ren1, Xikai Wei1

  • 1Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China.

Biomedical optics express
|August 14, 2025
PubMed
概括
此摘要是机器生成的。

我们开发了一个新的扫描源扫描光学连贯弹性图形 (SSS-OCE) 系统. 该系统通过单次刺激快速评估眼组织弹性,克服了以前的局限性.

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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo
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相关实验视频

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科学领域:

  • 眼科医生 眼科 眼科
  • 生物医学光学 生物医学光学
  • 医疗成像医学成像

背景情况:

  • 基于波的光连贯弹性成像 (OCE) 面临眼科的局限性,原因是重复刺激和长时间的成像时间.
  • 这些缺点阻碍了OCE用于评估眼组织弹性的临床应用.

研究的目的:

  • 引入一个新的扫描源扫描光学连贯弹性图形 (SSS-OCE) 系统.
  • 克服常规OCE的局限性,以在体内评估眼组织弹性.

主要方法:

  • 开发了一个使用波长依赖扫描技术的SSS-OCE系统.
  • 包含一个分散元件,用于用扫光光源进行超快速线路扫描.
  • 验证了使用agar幻影,ex vivo猪角膜和in vivo人类眼睛的系统.

主要成果:

  • 在SSS-OCE系统的实验中,眼组织弹性在体内得到了快速评估.
  • 单次刺激足以进行准确的弹性测量.
  • 该系统具有简单的结构,需要很短的测量时间.

结论:

  • SSS-OCE提供了一个有前途的,高效的方法,用于 in vivo 眼组织弹性评估.
  • 开发的系统克服了眼科中以前OCE技术的关键局限性.
  • 这项技术有可能改善眼睛疾病的诊断和监测.