Automated Identification of Ions Observed in Mass Spectra of Inorganic Compounds Using Isotopic Distribution Brute Force: Methodology and Performance Measurements

Lebedev, V.V.; Yarykin, D.I.; Buryak, A.K.

Авторы: Lebedev Viacheslav V., Yarykin Daniil I., Buryak Aleksey K.
Журнал: Journal of the American Society for Mass Spectrometry
Том: 35
Номер: 8
Год издания: 2024
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 1806
Последняя страница: 1817
DOI: 10.1021/jasms.4c00153
Аннотация: This Article describes the method of isotopic distribution brute force, which can be used to identify ions registered in mass spectra of inorganic compounds in an automated manner when a library search cannot be conducted. A detailed description of the isotopic distribution brute force methodology is presented, including a discussion of computation-related difficulties. The ability of the proposed algorithm to identify various inorganic ions is tested on a small set of real-life low-resolution mass spectra of lead halides and copper halides. An evaluation of the isotopic distribution brute force performance is conducted using the low-resolution experimental mass spectra of natural rhenium sulfide and lead(II) chloride. Based on identification results and obtained performance measurements, we formulate the empirical restrictions on the input data, ensuring that the application of isotopic distribution brute force is feasible from the standpoints of search space reduction and identification time.
Добавил в систему: Лебедев Вячеслав Владимирович

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Automated Identification of Ions Observed in Mass Spectra of Inorganic Compounds Using Isotopic Distribution Brute Force: Methodology and Performance Measurementsстатья

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