Biological and Biomedical Applications of Optical Photothermal Infrared Spectroscopy (O-PTIR).

Appl Spectrosc · 2026 · PMC13376329 · PMID 42142002

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a clear trendno p-value reported

However, when 50 spectra were collected, a clear trend emerged along the principal component (PC-1) axis, suggesting spectral shifts potentially due to cumulative thermal effects.

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