Method for measuring the production of a chemical species

Abstract

The invention relates to a method for measuring the production of a chemical species from a microbiota sample of a subject, the method comprising: - preparing a solution to be analyzed by adding a buffer solution to a microbiota sample of a subject, - measuring, with a measuring device, the volumetric concentration of the chemical species in the solution to be analyzed at an initial time in order to obtain a reference measurement of the volumetric concentration of the chemical species in the sample at the initial time, and then - performing several successive measurements of the volumetric concentration of the chemical species in the solution to be analyzed over a determined period in order to establish a data sequence representing the production of the chemical species in the solution to be analyzed over time, in which the chemical species is chosen from NO and NO2-. Figure for the abstract: 2

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