Chemical Transformations of Engineered Nanomaterials in the Environment: Fundamental Studies on Plant-Nanomaterial Interactions
环境中工程纳米材料的化学转化:植物-纳米材料相互作用的基础研究
基本信息
- 批准号:1506295
- 负责人:
- 金额:$ 46.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-09-01 至 2019-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
With this award, the Environmental Chemical Sciences Program of the Division of Chemistry is funding Professor Diana Aga and Professor Mary A Bisson of the University at Buffalo to investigate the influence of plants on the surface chemistry, fate and toxicity of engineered nanomaterials (ENMs) that are becoming widely used in many industrial, agricultural and consumer products. Plants are among the organisms that will be directly impacted by ENMs entering the environment, therefore an improved understanding of the uptake mechanisms and translocation of ENMs by plants is needed to facilitate the assessment of potential risks associated with environmental contamination by ENMs. The broader impacts of this work include the generation of fundamental knowledge that is critical in developing new regulations to minimize the negative impacts of ENMs, and in promoting compatibility between environmental safety and nanotechnology. Experiments in environmental science are being developed for a science summer camp geared toward middle school children who are disabled and/or economically disadvantaged. The research team is also introducing educational materials to area high school teachers on the applications and implications of nanotechnology that can be incorporated into the high school science curriculum.To achieve these goals, silver nanoparticles (AgNPs) are used as model ENM and Arabidopsis thaliana serves as the model plant species in the series of experiments that are being performed to elucidate the mechanisms of internalization and transformation of AgNPs in plants. This research identifies important interactions between AgNPs and natural organic compounds in plant root exudates that result in surface modifications and changes in the speciation of ENMs. The composition of root exudates from Arabidopsis thaliana, and the changes that occur when plant is treated with AgNPs are being characterized using Fourier transform ion cyclotron resonance mass spectrometry. Wild type and mutant species Arabidopsis are used to determine the role of endocytosis mechanism and metal transporters in the uptake of ENMs. The localization and speciation of Ag in the plant cells are being determined by X-ray absorption fine structure spectroscopy and time of flight secondary ion mass spectrometry.
有了这个奖项,化学部的环境化学科学计划资助教授戴安娜阿加和教授玛丽比森的大学在布法罗调查植物的表面化学,命运和毒性的工程纳米材料(ENM),正在成为广泛使用在许多工业,农业和消费品的影响。 植物是进入环境的ENM直接影响的生物体之一,因此,需要更好地了解植物对ENM的吸收机制和转运,以促进ENM对环境污染的潜在风险评估。 这项工作的更广泛的影响包括产生基础知识,这对于制定新法规以最大限度地减少ENM的负面影响以及促进环境安全和纳米技术之间的兼容性至关重要。正在为面向残疾和/或经济困难的中学生的科学夏令营开发环境科学实验。该研究小组还向地区高中教师介绍了有关纳米技术应用和影响的教育材料,这些材料可以纳入高中科学课程。银纳米粒子作为ENM模型,拟南芥作为一系列实验中的模型植物物种,这些实验正在进行,以阐明植物中的AgNPs 这项研究确定了重要的AgNPs和天然有机化合物之间的相互作用,在植物根系分泌物,导致表面改性和变化的ENMs的物种。拟南芥根分泌物的组成,以及植物处理时发生的变化与AgNPs正在使用傅立叶变换离子回旋共振质谱的特点。野生型和突变体拟南芥被用来确定内吞机制和金属转运蛋白在摄取ENM中的作用。利用X射线吸收精细结构谱和飞行时间二次离子质谱研究了银在植物细胞中的定位和形态。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Diana Aga其他文献
Diana Aga的其他文献
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{{ truncateString('Diana Aga', 18)}}的其他基金
Collaborative Research: URoL:ASC: Using the Rules of Antibiotic Resistance Development to Inform Wastewater Mitigation Strategies
合作研究:URoL:ASC:利用抗生素耐药性发展规则为废水减排策略提供信息
- 批准号:
2319520 - 财政年份:2023
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
Technologies for One Water in Extremely Resilient-buildings (TOWER)
韧性极强的建筑(塔楼)中的“一水”技术
- 批准号:
2230728 - 财政年份:2022
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
Collaborative Research: ERASE-PFAS: Remediation of Per- and Polyfluoroalkyl Substances in Wastewater using Anaerobic Membrane Bioreactors
合作研究:ERASE-PFAS:利用厌氧膜生物反应器修复废水中的全氟烷基和多氟烷基物质
- 批准号:
2112201 - 财政年份:2021
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
Collaborative Research: Fundamental Studies on the Environmental Fate of Short-Chain and Emerging Fluorinated Alkyl Substances Using Mass-Spectrometry and Molecular Modelling
合作研究:利用质谱和分子模型对短链和新兴氟化烷基物质的环境归趋进行基础研究
- 批准号:
1905274 - 财政年份:2019
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
RAPID: COLLABORATIVE RESEARCH: Fate and Transport of Antibiotics and Antibiotic Resistance Genes During Historic Colorado Flood
快速:合作研究:历史性科罗拉多洪水期间抗生素和抗生素抗性基因的命运和运输
- 批准号:
1402635 - 财政年份:2013
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
MRI-R2: Acquisition of an Inductively Coupled Plasma Mass Spectrometer (ICP/MS)
MRI-R2:购买电感耦合等离子体质谱仪 (ICP/MS)
- 批准号:
0959565 - 财政年份:2010
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
Fundamental Studies of Antibiotics and Their Degradates in the Environment
抗生素及其在环境中的降解物的基础研究
- 批准号:
0750321 - 财政年份:2008
- 资助金额:
$ 46.7万 - 项目类别:
Continuing Grant
COLLABORATIVE RESEARCH: The Biotransformation of Hydrophobic And Hydrophilic Pharmaceuticals And Their Metabolites By Nitrifying And Heterotrophic Cultures
合作研究:通过硝化和异养培养物生物转化疏水性和亲水性药物及其代谢物
- 批准号:
0504359 - 财政年份:2005
- 资助金额:
$ 46.7万 - 项目类别:
Continuing Grant
CAREER: Immunochemical Techniques for Investigations on the Occurrence and Fate of Agrochemicals in the Environment
职业:用于研究环境中农用化学品的出现和归宿的免疫化学技术
- 批准号:
0233700 - 财政年份:2002
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
U.S. Germany Cooperative Research: Elucidation of the Mechanism of Detoxification of Metolachlor: Differential Degradation and Transport of Enantiomers
美德合作研究:阐明异丙甲草胺解毒机制:对映体的差异降解和转运
- 批准号:
0089747 - 财政年份:2001
- 资助金额:
$ 46.7万 - 项目类别:
Standard Grant
相似海外基金
Physical and Chemical Transformations of Engineered Nanoparticles: Implications for Environmental Fate in Aquatic Environments
工程纳米粒子的物理和化学转化:对水生环境中环境归宿的影响
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Physical and Chemical Transformations of Engineered Nanoparticles: Implications for Environmental Fate in Aquatic Environments
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Toxicity, transformations and transport of engineered nanoparticles in soils: New approaches to detect and characterize environmental risks
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