量化结构 使用关系:技术峰会会议的亮点
Rosemary T Zaleski1, Andreas Ahrens2, Jon A Arnot3
1Lumina Consulting, L.L.C, USA.
Regulatory toxicology and pharmacology : RTP
|October 14, 2023
概括
定量结构使用关系 (QSUR) 预测化学功能,用于风险评估. 专家们讨论了数据共享和协作方法,以推进QSUR的开发和应用.
科学领域:
- 化学风险评估 化学风险评估
- 计算化学的计算化学
- 暴露科学 暴露科学
背景情况:
- 定量结构使用关系 (QSUR) 利用化学结构来预测产品和工艺中的物质功能.
- QSURs有助于开发化学品的使用类别,并完善风险管理的暴露评估.
- 2022年QSUR峰会召集了来自政府,工业和学术界的38名国际专家.
研究的目的:
- 推进QSURs的开发,改进和应用.
- 支持化学物质优先级和风险评估和缓解策略.
- 探索QSURs超越传统暴露和风险建模的新应用.
主要方法:
- 通过研讨会讨论建立专家共识.
- 专注于数据收集,共享和化学物质量量的量化.
- 探索信息聚合的协作框架,同时保护专有数据.
主要成果:
- 强调数据共享和量化对于QSUR进步的关键作用.
- 提出合作机制,以克服数据聚合和保密方面的挑战.
- 确定了可持续配方发现的潜在应用,并在案例研究中扩大了使用范围.
结论:
- QSURs是预测化学功能的宝贵工具,并为风险评估提供信息.
- 合作和数据共享对于QSUR的持续开发和有效实施至关重要.
- QSUR具有广泛的适用性,包括可持续化学和详细的暴露场景分析.
相关概念视频
Structure-Activity Relationships and Drug Design
737
Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
737
Indeterminate Structure
545
Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static equilibrium. Indeterminate structures have more unknown forces and reaction forces than equations of static equilibrium that can be used to determine them. Indeterminate structures are often used in engineering to create complex, efficient, and aesthetically pleasing structures. There are various types of indeterminate structures used in engineering and...
545
Levels of Use of a GIS
56
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
56
Methods of Documentation IV: Focus Charting
1.0K
Focus Charting, also known as the focus charting system or "focus documentation," is a systematic documentation approach used in healthcare to organize patient information in medical records.
It typically involves three columns for recording information:
It typically involves three columns for recording information:
1.0K
Base Quantities and Derived Quantities
20.2K
In any system of units, the units for some physical quantities must be specified through a measurement process. These measurements are the base quantities of the system, and their units are the base units of the system. The algebraic combinations of the base values can then be used to express all other physical quantities. Each of these physical quantities is then referred to as a derived quantity, with each unit being referred to as a derived unit.
The International Organization for...
The International Organization for...
20.2K
Structural Properties and Dimensions of Lumber
102
Wood's structural properties derive from fibers aligned along the tree's length, contributing significantly to its mechanical strength. Wood exhibits up to twenty times greater tensile strength along these fibers compared to across them, and generally shows better performance under compression than tension. The length of fibers varies, with hardwoods having fibers around one twenty-fifth inch long and softwoods ranging from one-eighth to one-third inch.
The strength characteristics of...
The strength characteristics of...
102


