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相关概念视频

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
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Relative Risk01:12

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Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
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Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
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The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
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Updated: Jul 6, 2025

An Automated Microscopic Scoring Method for the γ-H2AX Foci Assay in Human Peripheral Blood Lymphocytes
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全球对工作中的生物风险的估计

Jukka Takala1, Alexis Descatha2,3, A Oppliger4

  • 1Unit of Health Sciences, Faculty of Social Sciences, Tampere University, Tampere, Finland.

Safety and health at work
|January 8, 2024
PubMed
概括
此摘要是机器生成的。

生物风险在2022年导致超过55万个工作场所死亡,COVID-19占223,650. 这代表了全球劳动残疾负担的大幅增加.

关键词:
生物安全 生物安全暴露 暴露 暴露职业病是一种职业病.有机化学品 有机化学品工作环境 工作环境

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科学领域:

  • 职业健康 职业健康 职业健康
  • 流行病学 流行病学
  • 全球健康 全球健康

背景情况:

  • 生物风险在工作场所构成了重大的全球挑战,最近的COVID-19大流行凸显了这一点.
  • 对工作中的传染性和非传染性生物病原体的全面了解至关重要.

研究的目的:

  • 提出2021年可归因于工作场所生物风险的死亡和残疾调整寿命年 (DALYs) 的最新全球估计.
  • 为传染性传染病原体和促进与工作有关的死亡率和发病率的非传染性因素提供全面的概述.

主要方法:

  • 遵循国际劳工组织 (ILO) 的方法来进行全球职业病估计.
  • 利用国际劳工组织对危险物质的估计和从文献中获得的人口归因分数,应用于世界卫生组织的死亡率数据.
  • 包括传染性疾病 (如结核病,COVID-19) 和非传染性因素 (如有机尘埃引起的COPD,喘,与动物接触).

主要成果:

  • 2022年估计有550,819人死于生物风险因素 (476,000人死于传染性疾病,74,000人死于非传染性因素).
  • 在工作场所的COVID-19导致223,650人死亡.
  • 计算出每10万名工人中584个DALY,这意味着全球与工作有关的残疾负担增加了11%.

结论:

  • 这项研究提供了自2007年以来的首次更新,显示了74%的增长和更广泛的生物风险覆盖.
  • 承认由于其他疾病的数据缺失,可能存在低估.
  • 强调,虽然主要传染病导致的死亡在劳动人口中很少发生,但由于这些疾病而导致的缺勤可能很常见.