Special Issue with Research Topics on “Recent Analysis and Applications of Mass Spectra on Biochemistry”

Ivanova, Bojidarka

doi:10.3390/ijms25041995

IJMS

2024

DOI: 10.3390/ijms25041995

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Special Issue with Research Topics on “Recent Analysis and Applications of Mass Spectra on Biochemistry”

Bojidarka Ivanova

Abstract: Analytical mass spectrometry applies irreplaceable mass spectrometric (MS) methods to analytical chemistry and chemical analysis, among other areas of analytical science [...]

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Cited by 2 publications

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Temperature dependent stochastic dynamics mass spectrometric analysis of configurationally locked polyenes

Ivanova

2024

Analytical Chemistry Letters

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Temperature dependent stochastic dynamics mass spectrometric analysis of configurationally locked polyenes

Ivanova

2024

Analytical Chemistry Letters

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Fresh Meat Classification Using Laser-Induced Breakdown Spectroscopy Assisted by LightGBM and Optuna

Mo,

Tang,

Zhu

et al. 2024

Foods

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To enhance the accuracy of identifying fresh meat varieties using laser-induced breakdown spectroscopy (LIBS), we utilized the LightGBM model in combination with the Optuna algorithm. The procedure involved flattening fresh meat slices with glass slides and collecting spectral data of the plasma from the surfaces of the fresh meat tissues (pork, beef, and chicken) using LIBS technology. A total of 900 spectra were collected. Initially, we established LightGBM and SVM (support vector machine) models for the collected spectra. Subsequently, we applied information gain and peak extraction algorithms to select the features for each model. We then employed Optuna to optimize the hyperparameters of the LightGBM model, while a 10-fold cross-validation was conducted to determine the optimal parameters for SVM. Ultimately, the LightGBM model achieved higher accuracy, macro-F1, and Cohen’s kappa coefficient (kappa coefficient) values of 0.9370, 0.9364, and 0.9244, respectively, compared to the SVM model’s values of 0.8888, 0.8881, and 0.8666. This study provides a novel method for the rapid classification of fresh meat varieties using LIBS.

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Special Issue with Research Topics on “Recent Analysis and Applications of Mass Spectra on Biochemistry”

Abstract: Analytical mass spectrometry applies irreplaceable mass spectrometric (MS) methods to analytical chemistry and chemical analysis, among other areas of analytical science [...]

Cited by 2 publications

References 121 publications

Temperature dependent stochastic dynamics mass spectrometric analysis of configurationally locked polyenes

Temperature dependent stochastic dynamics mass spectrometric analysis of configurationally locked polyenes

Fresh Meat Classification Using Laser-Induced Breakdown Spectroscopy Assisted by LightGBM and Optuna

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