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Bioactivation and Tissue Toxicity01:25

Bioactivation and Tissue Toxicity

Bioactivation is a metabolic process that transforms less reactive substances into highly reactive metabolites, initiating tissue toxicity. This transformation can lead to various toxic effects, including carcinogenesis and teratogenesis. Reactive metabolites are classified into two main types: electrophiles and free radicals.Electrophiles are electron-deficient species and are produced primarily by the enzyme cytochrome P-450 during the metabolism of compounds containing carbon, nitrogen, or...

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相关实验视频

Updated: Jun 18, 2026

Installation of the Big Box Biochar Kiln for Biochar Production
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对生物火灾的评估

In Young Yoo1, Hyun Soo Seok1, Joo An Kwon1

  • 1Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.

Diagnostics (Basel, Switzerland)
|June 10, 2023
PubMed
概括

生物Fire® FilmArray® 肺炎 (PN) 面板可以有效地检测细菌性肺炎病原体,特别是在高细菌负载的情况下. 将PN面板与白细胞化酶 (LE) 尿带试验相结合,有助于解释,特别是对于较低的细菌数量.

关键词:
在BioFire® FilmArray® 肺炎面板中,我们可以看到细菌负担是一种细菌负担.在社区获得的肺炎.传统文化中的传统文化.白细胞化酶是白细胞化酶.唾液质量 唾液质量

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科学领域:

  • 临床微生物学 临床微生物学
  • 传染病诊断 传染病诊断 传染病诊断
  • 分子诊断学 分子诊断学

背景情况:

  • 社区获得性肺炎 (CAP) 的诊断依赖于识别细菌病原体.
  • 传统的培养方法在速度和灵敏度方面存在局限性.
  • 分子诊断面板提供快速检测,但需要仔细解释.

研究的目的:

  • 评估BioFire® FilmArray®肺炎 (PN) 面板的性能,与用于CAP检测细菌病原体的常规培养相比.
  • 评估白细胞化酶 (LE) 尿带试验在解释PN小组结果中的有用性.

主要方法:

  • 从67名CAP患者的液样本使用PN面板,常规培养和LE测试同时进行分析.
  • 病原体检测率和PN小组与培养之间的一致性进行了比较.
  • 分析了细菌负担和LE测试结果对一致性的影响.

主要成果:

  • 在PN小组检测的病原体的比率更高 (59.7%) 比培养 (37.3%).
  • 在PN小组和具有高细菌负担 (≥10^7副本/毫升) 的培养之间观察到高一致性 (76.9%).
  • LE测试的阳性与PN面板和培养物的更高检测率相关,并改善了一致性.

结论:

  • 生物Fire® FilmArray® PN面板在检测CAP中的细菌病原体方面表现出很高的性能.
  • 辅助使用LE尿带测试对于解释PN面板结果是有益的,特别是当细菌负载较低时.
  • LE测试可以帮助区分PN小组结果中的真正阳性和潜在的假阳性.