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相关概念视频

Microbial Growth Measurement: Indirect Methods01:27

Microbial Growth Measurement: Indirect Methods

39
Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...
39
Microbial Growth Measurement: Direct Methods01:23

Microbial Growth Measurement: Direct Methods

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Direct methods for measuring microbial populations in a culture are essential tools in microbiology, providing quantitative data for various applications. Among these, microscopic counts, plate counts, and serial dilution are widely used techniques, each with unique principles and applications.Microscopic CountsMicroscopic counting involves the use of a Petroff-Hausser chamber, a specialized microscope slide with a grid and defined depth. By observing a liquid culture under a microscope,...
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Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
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关于微生物群落继承在死后间隔估计中的研究进展

Qing-Qing Xiang1, Li-Fang Chen1,2, Qin Su3,4

  • 1College of Forensic Medicine, Kunming Medical University, Kunming 650500, China.

Fa yi xue za zhi
|October 20, 2023
PubMed
概括

估计死后的时间 (死后间隔) 是一个挑战. 使用高通量测序的微生物群体分析为准确的死后间隔估计提供了有希望的客观方法.

科学领域:

  • 法医科学 法医科学 法医科学
  • 微生物学 微生物学
关键词:
法医病理学 法医病理学高通量测序的高通量测序机器学习是机器学习.微生物社区的微生物社区.微生物组学 微生物组学死亡后间隔估计估计审查 审查 审查 审查 审查 审查

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  • 生物信息学是一种生物信息学.

    • 背景情况:

    • 准确的死后间隔 (PMI) 估计在法医中至关重要,但仍然具有挑战性.
    • 传统的PMI估计方法往往缺乏客观性和精确性.
    • 在腐烂的遗骸上微生物群落的相继,为PMI的确定提供了一个新的途径.

    结论:

    • 微生物社区分析,特别是高通量测序,是法医科学中快速发展的一个领域.
    • 需要进一步的研究来完善模型,并考虑影响因素,以获得可靠的PMI估计.
    • 这种方法为客观和可量化的死后间隔确定提供了一个强大的工具.