BRIGE: Online measurement of submicron aerosol composition using AC-CIMS
BRIGE:使用 AC-CIMS 在线测量亚微米气溶胶成分
基本信息
- 批准号:0823847
- 负责人:
- 金额:$ 17.44万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-09-01 至 2011-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
EEC-0823847McNeillBRIGE awards maintain global competitiveness by increasing the diversity of ENG researchers, who are initiating research programs early in their careers. BRIGE awards further the broaden participation of engineering researchers by increasing the number of engineering graduates, by improving the representation of women and minorities in engineering, and by understanding how to improve recruitment and retention of engineering students.This BRIGE award will investigate fast-time-response, high-sensitivity measurements of aerosol particle composition, which are in demand for explosives detection, bioaerosol analysis, and laboratory and field studies of atmospheric aerosols. This project will develop Aerosol Concentrating Chemical Ionization Mass Spectrometry (AC-CIMS), a technique for on-line, speciated measurements of aerosol organics at low total aerosol concentrations. The primary research goal is to design, develop, and characterize a novel concentrating inlet for submicron aerosols that samples isothermally, has a low cutpoint, and conforms to the operating requirements of CIMS. The inlet will be interfaced with a volatilization flow tube and a CIMS instrument. The performance of ACCIMS will be characterized using laboratory-generated and ambient aerosols.AC-CIMS will be suitable for any application requiring the detection of trace aerosol organics at low total aerosol loadings. Applications in atmospheric research include laboratory studies of secondary organic aerosol formation at low, realistic aerosol concentrations, as well as speciated, highly time-resolved field measurements of aerosol organics. The aerosol concentrating inlet design will be modular and general enough for use with any existing CIMS system or other analytical instruments with similar pressure requirements. In line with the goals of BRIGE, this project will set the stage for the McNeill group to conduct future research involving applications of the AC-CIMS technique under the purview of the NSF Division of Chemical, Bioengineering, Environmental, and Transport Systems. The research team will consist of three generations of female chemical engineers. This project will encourage the junior members of the research team to pursue careers in chemical engineering after graduation by providing opportunities for them to participate in cutting-edge research under the supervision of a female mentor, publish their work in peer-reviewed publications, and attend and present their work at scientific conferences.This BRIGE grant will broaden the participation of and increase opportunities for all engineers including those from groups underrepresented in the engineering disciplines. This BRIGE grant will also encourage the PI to become actively and competitively engaged in research as an independent investigator.
EEC-0823847 McNeillBRIGE奖项通过增加ENG研究人员的多样性来保持全球竞争力,这些研究人员在职业生涯的早期就开始了研究项目。 BRIGE奖通过增加工程专业毕业生的数量、提高女性和少数民族在工程专业的代表性以及了解如何提高工程专业学生的招聘和保留率来进一步扩大工程研究人员的参与。BRIGE奖将研究快速响应、高灵敏度的气溶胶颗粒成分测量,这是爆炸物检测、生物气溶胶分析、以及大气气溶胶的实验室和实地研究。本项目将开发气溶胶浓缩化学电离质谱法(AC-CIMS),这是一种在线测量低总气溶胶浓度下气溶胶有机物的技术。主要的研究目标是设计,开发和表征一种新的浓缩入口的亚微米气溶胶的样品等温,具有低的切割点,并符合操作要求的CIMS。 入口将与挥发流管和CIMS仪器连接。 ACCIMS的性能将使用实验室产生的和环境气溶胶进行表征。AC-CIMS将适用于任何需要在低总气溶胶负载下检测痕量气溶胶有机物的应用。在大气研究中的应用包括在低的、现实的气溶胶浓度下二次有机气溶胶形成的实验室研究,以及气溶胶有机物的物种形成、高时间分辨的实地测量。气溶胶浓缩入口设计将是模块化的,并且足够通用,以与任何现有的CIMS系统或具有类似压力要求的其他分析仪器一起使用。 根据BRIGE的目标,该项目将为麦克尼尔小组在NSF化学、生物工程、环境和运输系统部门的范围内开展涉及AC-CIMS技术应用的未来研究奠定基础。研究团队将由三代女性化学工程师组成。该项目将鼓励研究团队的初级成员在毕业后从事化学工程职业,为他们提供机会,让他们在女性导师的监督下参与尖端研究,在同行评审的出版物上发表他们的工作,参加科学会议并在会上介绍他们的工作。BRIGE基金会将扩大所有工程师的参与,增加他们的机会,包括那些来自工程学科中代表性不足的群体。 该BRIGE赠款还将鼓励PI作为独立调查员积极参与研究。
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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V Faye McNeill其他文献
V Faye McNeill的其他文献
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{{ truncateString('V Faye McNeill', 18)}}的其他基金
Collaborative Research: Sulfur Oxide Chemistry in Aqueous Aerosols--Mechanisms and Kinetics of Inorganic Sulfate and Organosulfur Compound Formation in the Atmosphere
合作研究:水气溶胶中的硫氧化物化学--大气中无机硫酸盐和有机硫化合物形成的机理和动力学
- 批准号:
2302302 - 财政年份:2023
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
Collaborative Research: Surface-specific Aerosol Chemistry: Direct Observations, Kinetics, and Environmental Impact
合作研究:表面特定气溶胶化学:直接观察、动力学和环境影响
- 批准号:
2203982 - 财政年份:2022
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
Photoactivator Chemistry in Atmospheric Aerosols
大气气溶胶中的光活化剂化学
- 批准号:
1506789 - 财政年份:2015
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
Modeling Aqueous Secondary Organic Aerosol Formation
模拟水性二次有机气溶胶的形成
- 批准号:
1546136 - 财政年份:2015
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
CAREER: The Atmospheric Chemistry of Ice and Snow
职业:冰雪的大气化学
- 批准号:
0845043 - 财政年份:2009
- 资助金额:
$ 17.44万 - 项目类别:
Continuing Grant
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