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相关概念视频

DNA Isolation01:24

DNA Isolation

44.6K
DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
44.6K

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相关实验视频

Updated: Jan 18, 2026

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
09:52

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis

Published on: March 9, 2018

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评估手动DNA提取方法与室内阿斯伯吉illus实时PCR结合的评估.

In Young Yoo, Joo An Kwon, Raeseok Lee

    Clinical laboratory
    |September 9, 2025
    PubMed
    概括

    一种使用珠子和树脂的新型DNA提取方法改善了呼吸道样本中阿斯伯吉勒斯菌的检测. 这种方法显示出比商业套件更高的灵敏度和更低的周期值,有助于诊断侵袭性肺阿斯伯吉洛症.

    科学领域:

    • 分子诊断学 分子诊断
    • 菌类学 菌类学是指菌类学.
    • 临床微生物学 临床微生物学

    背景情况:

    • 从呼吸道样本中改善Aspergillus物种的分子诊断产量至关重要.
    • 开发新的DNA提取技术是提高病原体检测的关键.

    研究的目的:

    • 开发和评估一种新的DNA提取方法,用于Aspergillus spp. 直接从呼吸道样本中获取.
    • 为了比较新方法的效率与商业套件 (Qiagen) 使用内部阿斯伯吉illus实时PCR.

    主要方法:

    • 开发了一种基于珠子和树脂的DNA提取方法,涉及珠子,超混合,洗和Chelex-100树脂处理.
    • 从人工唾液样本和100个临床呼吸器样本中提取核酸,使用新方法和Qiagen套件.
    • 提取的DNA使用内部Aspergillus实时PCR进行分析,并将周期值 (Ct) 值与方法进行比较.

    主要成果:

    • 珠子加树脂方法在人工样本中产生了Aspergillus niger和Aspergillus flavus的Ct值,与Qiagen套件相比,Ct值明显较低.
    • 在临床样本中,珠子加树脂方法实现了更高的灵敏度 (88%) 比Qiagen套件 (76%) 检测泛-Aspergillus.
    • 新方法在临床样本中始终产生明显较低的Ct值 (p < 0.001).

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    A Hybrid DNA Extraction Method for the Qualitative and Quantitative Assessment of Bacterial Communities from Poultry Production Samples
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    A Hybrid DNA Extraction Method for the Qualitative and Quantitative Assessment of Bacterial Communities from Poultry Production Samples

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    相关实验视频

    Last Updated: Jan 18, 2026

    Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
    09:52

    Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis

    Published on: March 9, 2018

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    Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
    12:02

    Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA

    Published on: May 2, 2018

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    A Hybrid DNA Extraction Method for the Qualitative and Quantitative Assessment of Bacterial Communities from Poultry Production Samples
    07:24

    A Hybrid DNA Extraction Method for the Qualitative and Quantitative Assessment of Bacterial Communities from Poultry Production Samples

    Published on: December 10, 2014

    15.0K

    结论:

    • 使用珠子和树脂的新型DNA提取方法可以有效检测Aspergillus spp. 直接从呼吸器样本中获取.
    • 这种方法的性能优于商业套件,为诊断侵袭性肺阿斯伯吉洛症提供了更好的灵敏度和效率.