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相关概念视频

X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

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High Resolution 3D Imaging of Ex-Vivo Biological Samples by Micro CT
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使用阿塔卡马清晰度使用高分辨率的3D成像.

Lauretta A Lacko1,2, Tansol Choi3, Neranjan de Silva4

  • 1Department of Medicine, Weill Cornell Medicine, New York, NY, USA.

bioRxiv : the preprint server for biology
|February 8, 2024
PubMed
概括

阿塔卡马清晰 (ATC) 是一种新的3D成像技术,可显著提高信号噪声比和组织清除能力. 这一突破提高了具有挑战性的生物标本的分辨率和检测,推进了3D成像能力.

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科学领域:

  • 生物医学成像技术 生物医学成像技术
  • 光学显微镜的使用方法
  • 组织清除 组织清除

背景情况:

  • 完整组织的3D成像是至关重要的,但受到自发光和分辨率差的挑战.
  • 现有的方法在清除样本,特别是人类临床标本方面存在困难,限制了详细分析.

研究的目的:

  • 开发一种新的3D成像技术,Atacama Clear (ATC),以克服当前组织清除和成像方面的局限性.
  • 提高信号噪声比 (SNR) 和提高生物样品光学清除的效率.

主要方法:

  • 开发用于3D成像的阿塔卡马清晰 (ATC) 技术.
  • 评估空中交通管制对信号噪声比率 (SNR) 和光学清除效率的影响.
  • 测试ATC在检测各种组织类型中的抗原和光记者蛋白的有效性.

主要成果:

  • 与现有方法相比,ATC的SNR增加了多达200%.
  • 空中交通管制将光学清除解决方案增强了多达600%,并将清除时间缩短了8倍.
  • ATC使抗原检测增加了4倍,抗体度降低了10倍,记者蛋白信号增加了5倍.

结论:

  • 在清除的组织中,ATC显著提高了3D成像分辨率和效率.
  • 该技术可通过细胞分辨率对具有挑战性的标本进行详细分析,包括人体活检.
  • ATC建立了一个新的平台,用于基础研究和临床样本的先进3D成像.