Fluorescence Spectrometric Determination of Nonfluorescent Compounds via Molecular Fragmentation
Fluorescence Spectrometric Determination of Nonfluorescent Compounds via Molecular Fragmentation
批准号:
8822722
负责人:
Earl Wehry
金额:
$26.44万
依托单位国家:
美国
项目类别:
Continuing grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-04-01 至 1992-09-30
中文摘要
这项研究是在一般领域的分析和表面 化学和光谱学领域。本研究 涉及激光的荧光检测的检查 作为分析测量工具的光碎裂产物。 这样的方法应该对以下分子有用: 通常不发荧光。具体研究领域包括:1) 挥发性金属的碎裂荧光光谱法 螯合物,2)脉冲超声膨胀,用于高分析 激光光解FFS(LP-FFS)的选择性 3)“遥感”的评价 LP-FFS的能力,4)LP-FFS的相对大的 非挥发性分子,5)基质分离的实用性, LP-FFS测量的灵敏度增加,以及6)FFS作为 气相色谱检测器 本研究探讨了分析测量的效用 使用激光分裂非荧光分子, 通过碎片的荧光检测。这种做法 允许荧光检测分子, 通常不发荧光。
英文摘要
This research is in the general area of analytical and surface chemistry and in the subfield of spectroscopy. This research involves an examination of fluorescence detection of laser photofragmentation products as an analytical measurement tool. Such an approach should be useful for molecules which are normally not fluorescent. Specific areas of study include 1) fragmentation fluorescence spectrometry (FFS) of volatile metal chelates, 2) pulsed supersonic expansion for high analytical selectivity in laser photolysis-FFS (LP-FFS) via photofragmentation, 3) evaluation of the "remote sensing" capabilities of LP-FFS, 4) LP-FFS of relatively large nonvolatile molecules, 5) the utility of matrix isolation for increased sensitivity in LP-FFS measurements, and 6) FFS as a gas chromatographic detector. This research examines the utility of analytical measurements using laser fragmentation of non-fluorescent molecules followed by fluorescence detection of the fragments. Such an approach allows the fluorescence detection of molecules which are normally not fluorescent.
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会议论文
High-Resolution Fragmentation-Fluorescence Spectrometry (Chemistry)
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批准号:8317000
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项目类别:Continuing grant
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资助金额:$33.64万
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财政年份:1984
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负责人:Earl Wehry
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依托单位:
Analytical Applications of Laser-Induced Matrix Isolation Spectroscopy and Electron-Induced Molecular Luminescence Spectrometry
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批准号:8025282
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项目类别:Continuing grant
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资助金额:$27.22万
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财政年份:1981
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负责人:Earl Wehry
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依托单位:
Laser-Excited Matrix-Isolation Fluorometric Analysis of Polycyclic Aromatic Hydrocarbons
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批准号:7712542
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项目类别:Continuing grant
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资助金额:$17.49万
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财政年份:1977
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负责人:Earl Wehry
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依托单位:
Matrix-Isolation Time-Resolved Fluorescence & Phosphores- Cence Spectroscopy: Application to Analysis of Chemical Carcinogens Produced in Coal Conversion Processes
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批准号:7505364
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项目类别:Standard Grant
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资助金额:$8.34万
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财政年份:1975
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负责人:Earl Wehry
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依托单位:
海外基金