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AssigneeTechnische Universiteit Delft
InventorsMichael Anthony Stowers, Arjan Laurens Wuijckhuijse, Johannes Cornelis Maria Marijnissen, Charles Eliza Kientz
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In a method for detecting and identifying bioaerosol particles in the air, the bioaerosol particles in a particle stream are selected in an ATOFMS (aerosol time-of-flight mass spectrometer) by means of fluorescence techniques, and only the selected bioaerosol particles are ionized, for instance on the basis of MALDI (matrix-assisted laser desorption/ionization), after which the resulting ions are detected and the bioaerosol particles are identified. The selection of bioaerosol particles takes place by means of laser radiation, generated by a first laser device, of a wavelength which in specific substances in bioaerosol particles effects a fluorescence, after which by means of a fluorescence detector the bioaerosol particles are selected and a second laser device is triggered to emit light of a wavelength which effects the ionization of the bioaerosol particles selected only by the fluorescence detector.
A method for detecting and identifying bioaerosol particles in the air, in which in an ATOFMS (aerosol time-of-flight mass spectrometer) the bioaerosol particles in a particle stream are selected by means of fluorescence techniques and only the selected bioaerosol particles are ionized, after which successively the resulting ions are detected and the bioaerosol particles are identified.
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