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Table 2 Contents (mmol g−1) and locations of hydroxyl groups in these two lignin nanoparticles as determined by quantitative 31P NMR spectroscopy

From: Lignin valorization: lignin nanoparticles as high-value bio-additive for multifunctional nanocomposites

Sample

DLNPs

OLNPs

Aliphatic–OH

2.40

1.04

Syringyl–OH

1.31

2.03

Guaiacyl–OH

0.90

1.20

p-hydroxyphenyl–OH

0.23

0.15

Carboxylic–OH

0.18

0.09

Total phenolic–OH

2.44

3.37

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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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