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Use of metal-organic frameworks and metal oxides for sensing chemicals using electrical impedance spectroscopy
Use of metal-organic frameworks and metal oxides for sensing chemicals using electrical impedance spectroscopy
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机译:使用金属有机骨架和金属氧化物通过电阻抗光谱法感测化学物质
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摘要
Provided are processes for the sensitive detection of the presence of, absence of, and optionally the identity of, one or more chemical agents. The processes use the binding of chemical agents to a metal organic framework or metal oxide/hydroxide electrically connected to a pair of electrodes to detect low levels of chemical in a sample. By exposing the surface of the metal organic framework or the surface of the metal oxide/hydroxide to the chemicals and then measuring changes in impedance magnitude and/or phase shift through electrical impedance spectroscopy, the presence of a chemical agent is readily detected.
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