ArticleBMC chemistry2026
Spectroscopic characterization of natural dye derived from hybrid poplar waste leaves to enhance the optical characteristics of PVA biopolymer.
Article in BMC chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In this work, a natural dye extracted from hybrid poplar (HP) leaves was incorporated into PVA to tailor its structural and optical characteristics, while glycerol was added as a plasticizer to maintain film flexibility, since higher dye loadings are well known to induce brittleness in PVA systems. The FTIR analysis indicates that the HP dye contains several functional groups, including OH, C=O, NH, and C-O-C, promotes the significant interaction between the PVA, glycerol, and the HP dye composites (PVGHPC). The
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