Quaternion-based parallel feature extraction: Extending the horizon of quantitative analysis using TLC-SERS sensing

Yong Zhao,Ailing Tan,Kenny Squire,Kundan Sivashanmugan,Alan X. Wang

Sensors and Actuators B: Chemical（2019）

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摘要

•A pure quaternion matrix by recording spatially correlated TLC-SER data.•A quantitative modeling of TLC-SERS sensing based on QPCA-SVR.•Accurate quantitative modeling of melamine-contaminated milk from 1 to 250 ppm.•Small quantification errors in validation testing.

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关键词

Thin layer chromatography,Surface-enhanced Raman spectroscopy,Quantitative analysis,Quaternion principal component analysis

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