Development of low-cost inverted microscope to detect early growth of Mycobacterium tuberculosis in MODS culture.

Development of low-cost inverted microscope to detect early growth of Mycobacterium tuberculosis in MODS culture.
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开发低成本倒置显微镜来检测 MODS 培养物中结核分枝杆菌的早期生长。

DOI:
10.1371/journal.pone.0009577
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发表时间:
2010-03-23
期刊:
影响因子:
3.7
通讯作者:
Moore DA
Moore DA
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zimic M;Velazco A;Comina G;Coronel J;Fuentes P;Luna CG;Sheen P;Gilman RH;Moore DA

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用于快速、低成本检测结核病和耐多药结核病的显微镜观察药物敏感性(MODS)测定依赖于液体培养基中结核分枝杆菌特征性带状菌落的可视化。这通常需要倒置光学显微镜以便从下方检查MODS培养板。很少有结核病实验室有这个项目,5,000美元的高端显微镜的资本成本可能是MODS推出的一个重大障碍。我们假设,昂贵的高规格倒置光学显微镜提供的精确定义可能不是必要的模式识别。在这项工作中,我们描述了一种低成本的artesenal倒置显微镜,可以在标准或数字模式下操作,以有效地取代昂贵的商业倒置光学显微镜,和一个集成的系统,可以允许本地和远程诊断结核病的发展。
The microscopic observation drug susceptibility (MODS) assay for rapid, low-cost detection of tuberculosis and multidrug resistant tuberculosis depends upon visualization of the characteristic cording colonies of Mycobacterium tuberculosis in liquid media. This has conventionally required an inverted light microscope in order to inspect the MODS culture plates from below. Few tuberculosis laboratories have this item and the capital cost of $5,000 for a high-end microscope could be a significant obstacle to MODS roll-out. We hypothesized that the precise definition provided by costly high-specification inverted light microscopes might not be necessary for pattern recognition. In this work we describe the development of a low-cost artesenal inverted microscope that can operate in both a standard or digital mode to effectively replace the expensive commercial inverted light microscope, and an integrated system that could permit a local and remote diagnosis of tuberculosis.
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