GCR: Collaborative Research: Convergence on Micro- and Nanoplastics in Aquatic Environments
GCR:合作研究:水生环境中微米塑料和纳米塑料的融合
基本信息
- 批准号:1935028
- 负责人:
- 金额:$ 434.84万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-10-01 至 2025-09-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This Growing Convergence Research project will advance scientific understanding of how micro- and nanoplastics impact aquatic environments. Plastic pollution is one of the greatest current global environmental challenges and a large fraction of it is present in micro- (5 mm) and nano- (1-1000 nm) sized fragments. Ingestion or uptake of these microscopic fragments of plastic can damage tissues, alter growth, and affect reproductive processes in aquatic organisms critical to the food web. To inform risk assessments and develop remediation strategies, this project will converge across environmental toxicology, environmental engineering, marine biology, and fisheries science to establish foundational science on the fate and effects of micro- and nanoplastics in aquatic ecosystems. This project will explore what properties of micro- and nanoplastics and what environmental factors are determinative of risk. The research team will: 1) characterize the physicochemical composition, size, and shape of micro- and nano-scale plastics commonly found in aquatic environments; 2) determine the biological consequences of micro- and nanoplastics exposure in freshwater and estuarine model organisms using rapid toxicity testing strategies; 3) design and validate two estuarine microcosm assays to study micro- and nanoplastics fate and impacts; 4) determine how real-world transformations of micro- and nanoplastics may alter the fate of the plastics or plastic additives; and 5) establish computational models of micro- and nanoplastics environmental fate, transformations and predictive ecotoxicology. The project will also establish the Pacific Northwest Consortium on Plastics, which will bring together diverse researchers, regulators, and other stakeholders to catalyze innovation within the project and to amplify the broader impacts of this work.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
这个不断增长的收集研究项目将进一步了解微塑料和纳米塑料如何影响水生环境的科学理解。塑料污染是当前最大的全球环境挑战之一,其中很大一部分存在于Micro-(5 mm)和纳米(1-1000 nm)大小的片段中。这些微观碎片的塑料碎片摄入或摄取会损害组织,改变生长并影响对食物网络至关重要的水生生物的生殖过程。为了告知风险评估并制定补救策略,该项目将跨环境毒理学,环境工程,海洋生物学和渔业科学建立基础科学,以基础科学对水生生态系统中微塑料和纳米塑料的影响。 该项目将探索微塑料和纳米塑料的哪些特性,以及哪些环境因素是决定性的。研究团队将:1)表征在水生环境中常见的微型和纳米级塑料的物理化学成分,大小和形状; 2)使用快速的毒性测试策略确定淡水和河口模型生物中微塑料暴露的生物学后果; 3)设计和验证两个河口缩影测定法,以研究微塑料和纳米塑料命运和影响; 4)确定微塑料和纳米塑料的现实转化如何改变塑料或塑料添加剂的命运; 5)建立微塑料环境命运,转化和预测生态毒理学的计算模型。该项目还将建立太平洋西北塑料联盟,该联盟将汇集多样化的研究人员,监管机构和其他利益相关者,以促进该项目内部的创新,并扩大这项工作的更广泛影响。该奖项反映了NSF的立法使命,并通过使用基金会的智力效果和广泛的评论来评估支持NSF的立法任务,并具有支持。
项目成果
期刊论文数量(29)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
An assessment of methods used for the generation and characterization of cryomilled polystyrene micro- and nanoplastic particles
- DOI:10.1186/s43591-023-00069-z
- 发表时间:2023-09
- 期刊:
- 影响因子:0
- 作者:Campbell J. McColley;J. A. Nason;B. Harper;Stacey L Harper
- 通讯作者:Campbell J. McColley;J. A. Nason;B. Harper;Stacey L Harper
Microplastics in aquatic organisms: Improving understanding and identifying research directions for the next decade
- DOI:10.1002/lol2.10145
- 发表时间:2020-01-13
- 期刊:
- 影响因子:7.8
- 作者:Granek, E. F.;Brander, S. M.;Holland, E. B.
- 通讯作者:Holland, E. B.
Research recommendations to better understand the potential health impacts of microplastics to humans and aquatic ecosystems
- DOI:10.1186/s43591-022-00038-y
- 发表时间:2022-01-01
- 期刊:
- 影响因子:0
- 作者:Thornton, Hampton L.M.
- 通讯作者:Thornton, Hampton L.M.
Spatial and temporal variations of microplastic concentrations in Portland's freshwater ecosystems
波特兰淡水生态系统中微塑料浓度的时空变化
- DOI:10.1016/j.scitotenv.2022.155143
- 发表时间:2022
- 期刊:
- 影响因子:9.8
- 作者:Talbot, Rebecca;Granek, Elise;Chang, Heejun;Wood, Rosemary;Brander, Susanne
- 通讯作者:Brander, Susanne
A living tool for the continued exploration of microplastic toxicity
持续探索微塑料毒性的活工具
- DOI:10.1186/s43591-022-00032-4
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Thornton Hampton, Leah M.;Lowman, Heili;Coffin, Scott;Darin, Emily;De Frond, Hannah;Hermabessiere, Ludovic;Miller, Ezra;de Ruijter, Vera N.;Faltynkova, Andrea;Kotar, Syd
- 通讯作者:Kotar, Syd
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Stacey Harper其他文献
Stacey Harper的其他文献
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{{ truncateString('Stacey Harper', 18)}}的其他基金
Collaborative Research: Teasing apart how specific nanoparticle features relate to environmental fate and contribute to ecotoxicity
合作研究:梳理特定纳米颗粒特征如何与环境命运相关并导致生态毒性
- 批准号:
1762245 - 财政年份:2018
- 资助金额:
$ 434.84万 - 项目类别:
Standard Grant
Forecasting the Environmental Fate and Ecotoxicity of Nanomaterials in Aquatic Systems
预测水生系统中纳米材料的环境归趋和生态毒性
- 批准号:
1438165 - 财政年份:2014
- 资助金额:
$ 434.84万 - 项目类别:
Standard Grant
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