Method for determining the size distribution of a mixture of particles using Taylor dispersion, and associated system
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United States of America Patent
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Jun 27, 2017
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Jul 9, 2015
app pub date -
Jun 26, 2013
filing date -
Jun 26, 2012
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Abstract
A method for determining the size distribution of a mixture of molecule or particle species including the steps of: injecting a sample of the mixture to be analyzed inside a capillary in which an eluent is flowing; transporting the sample injected along the capillary from an injection section to a detection section thereof, in experimental conditions suitable to generate a Taylor dispersion phenomenon that is measurable at the level of the detection section; generating, by a suitable sensor included in the detection section, a signal characteristic of the Taylor dispersion of the transported sample; processing the detection signal in order to obtain an experimental Taylor signal S(t); and analyzing the experimental Taylor signal Ŝ(t), wherein the step of analyzing an experimental Taylor signal Ŝ(t) of a sample of the mixture consists of searching an amplitude distribution P(G(c)) that allows the experimental Taylor signal Ŝ(t)′ to be broken down into a sum of Gaussian functions.
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