塑料添加剂的AI驱动的危险优先级使用Tox21生物测试和自我监督的图形变压器
Donghyeon Kim1, Eungyeong Lee2, Youngmin Yi3
1School of Environmental Engineering.
Environmental toxicology and chemistry
|September 19, 2025
概括
这项研究使用AI模型和Tox21生物测试对400多种塑料添加剂进行了毒性选. 研究人员确定了78种高度活性化学物质,揭示了数据缺口并支持更安全的化学品评估.
科学领域:
- 环境化学环境化学
- 毒理学 毒理学 毒理学
- 人工智能的人工智能
背景情况:
- 塑料添加剂可能会入环境,带来潜在的毒性风险.
- 超过400种大量塑料添加剂被ECHA塑料添加剂倡议列出.
- 评估这些添加剂的毒性对于环境和人类健康至关重要.
研究的目的:
- 为了选众多塑料添加剂的潜在毒性.
- 应用深度学习模型和Tox21生物测试数据进行化学危害评估.
- 识别高活性塑料添加剂并调查它们现有的危害数据.
主要方法:
- 收集并使用了具有广泛生物活性概况的Tox21数据集.
- 在Tox21生物试验数据上训练和微调GROVER深度学习算法.
- 使用F1得分评估模型性能,并与基线算法进行比较.
- 对已识别的活性化学物质进行调查的危险信息和GHS分类.
主要成果:
- 与传统的机器学习算法相比,GROVER模型表现出卓越的性能.
- 在171种选的塑料添加剂中确定了78种高度活性化学物质.
- 揭示了潜在有毒塑料添加剂的危险信息中的重大数据缺口.
- 强调了人工智能模型作为危险评估新方法方法 (NAM) 的实用性.
结论:
- 像GROVER这样的先进的人工智能模型可以有效地选塑料添加剂的毒性.
- 该研究确定了需要进一步毒理研究的关键塑料添加剂.
- 这种方法支持监管决策,并与动物试验的3R原则保持一致.
- 通过人工智能实现化学危险评估的现代化是可行的和有益的.
更多相关视频
05:47In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox
Published on: August 28, 2019
14.6K
17:28Human Pluripotent Stem Cell Based Developmental Toxicity Assays for Chemical Safety Screening and Systems Biology Data Generation
Published on: June 17, 2015
13.1K
相关概念视频
Deleterious Substances in Aggregate
536
Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...
Another type of impurity is clay and fine material that...
536
Types of Toxins
3.2K
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.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
3.2K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
286
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
286
Toxic Reactions: Overview
1.8K
When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
1.8K
