Spectroscopic characterization of natural dye derived from hybrid poplar waste leaves to enhance the optical characteristics of PVA biopolymer.

BMC Chem · 2026 · PMC13169567 · PMID 41928354

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closest p

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a clear trendno p-value reported

Upon doping PVA with the HP dye, a clear trend emerges across the different concentrations, as shown in Fig. 8 .

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