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Antioxidant Properties of Indole-3-Acetic Acid based Biopolymeric Hydrogels

机译:吲哚-3-乙酸基生物聚糖水凝胶的抗氧化性能

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A series of novel indole-3- acetic acid based hydrogel was synthesized by condensation polymerization without cross-linker. The polymeric hydrogel was prepared using citric acid, indole-3-acetic acid and triethylene glycol with equimolar composition. The hydrogel revealed a pH-sensitive swelling behaviour, with increased swelling in acidic media and then decreased swelling in basic media. The biopolymeric hydrogels were characterized by Fourier transform infrared (FT-IR) spectroscopy, ~1H NMR, ~(13)C NMR and TGA-DTA. The antioxidant activity has evaluated by DPPH and NO radical assay at different concentration compared with ascorbic acid, which has shown excellent antioxidant property.
机译:通过缩合聚合而无需交联聚合,合成了一系列新型吲哚-3-乙酸水凝胶。 使用具有等摩尔组合物的柠檬酸,吲哚-3-乙酸和三乙二醇制备聚合物水凝胶。 水凝胶显示pH敏感的溶胀行为,随着酸性介质的溶胀增加,然后在碱性培养基中膨胀降低。 通过傅里叶变换红外(FT-IR)光谱,〜1H NMR,〜(13)C NMR和TGA-DTA的特征是生物聚糖水凝胶。 抗氧化活性通过DPPH评估,与抗坏血酸相比,不同浓度的自由基测定,显示出优异的抗氧化性能。

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