Raman Spectroscopy as a Real-Time In Situ Analyzer for Cell Culture Bioprocesses

Laser tweezers Raman spectroscopy (LTRS) combines optical tweezers technology and Raman spectroscopy to obtain biomolecular compositional information from a single cell without invasion or destruction, so it can be used to “fingerprint” substances to characterize numerous types of biological cell samples. In the current study, LTRS was combined with two machine learning algorithms, principal component analysis (PCA)-linear discriminant analysis (LDA) and random forest, to achieve high-precision multi-species blood classification at the single-cell level. The accuracies of the two classification models were 96.60% and 96.84%, respectively. Meanwhile, compared with PCA-LDA and other classification algorithms, the random forest algorithm is proved to have significant advantages, which can directly explain the importance of spectral features at the molecular level.

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Blood identification at the single-cell level based on a combination of laser tweezers Raman spectroscopy and machine learning

Wang

Liu

et al. 2021

Biomed. Opt. Express

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Raman Spectroscopy as a Real-Time In Situ Analyzer for Cell Culture Bioprocesses

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Blood identification at the single-cell level based on a combination of laser tweezers Raman spectroscopy and machine learning

Blood identification at the single-cell level based on a combination of laser tweezers Raman spectroscopy and machine learning

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