Matrix addition system for mass spectrum analysis

Abstract

The invention discloses a matrix addition system for mass spectrum analysis, comprising a heating bath, a thermal saturated pipe, a condenser pipe and a peripheral control module, wherein the heating bath is used for containing a matrix solution; a first heating band is fixed outside the heating bath; the thermal saturated pipe is connected with the heating bath; a second heating band is fixed outside the thermal saturated pipe and used for providing appropriate temperature for a mixed gas of aerosol particles and a matrix so that the aerosol particles and the matrix are better bonded together; the condenser pipe is connected with the thermal saturated pipe; a refrigeration sheet is fixed outside the condenser pipe and used for condensing a gas exhausted from the thermal saturated pipe to enable the vaporous matrix, which is not attached to the aerosol particles, to be liquefied and reflow to the heating bath so as to obtain the aerosol particles attached with the matrix on an outlet of the condenser pipe; and the peripheral control module is respectively connected with the first heating band, the second heating band and the refrigeration sheet and used for regulating and displaying the set temperature and the current temperature of the heating bath, the thermal saturated pipe and the condenser pipe.

Description

technical field [0001] The invention relates to a matrix addition system for mass spectrometry analysis, in particular to a system for automatically adding matrix on-line to bioaerosol samples that meet the requirements of biological particle detection. Background technique [0002] Mass spectrometry is an analytical technique that analyzes by measuring the mass-to-charge ratio of the measured sample ions. The sample to be analyzed must first be ionized, and then use the difference in motion behavior of different ions in the electric field or magnetic field to separate the ions according to the mass-to-charge ratio (m / z) to obtain a mass spectrum. According to the mass spectrum of the sample and related information, it can be Get the qualitative and quantitative analysis results of the samples. [0003] After the 1980s, some new mass spectrometry technologies appeared, such as matrix-assisted laser desorption technology and time-of-flight mass analysis technology, and the s...

AI Technical Summary

Problems solved by technology

[0006] However, the existing technology cannot provide online matrix addition for the sample to be tested by the time-of-flight mass spectrometer, and cannot meet the detection requirements for biological particles in bioaerosol samples

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