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生物通
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乙酰化和羧甲基化修饰天麻多糖的优化及其抗氧化与免疫调节活性研究
抗氧化活性:通过 DPPH 自由基、羟基自由基和超氧阴离子清除实验发现,乙酰化和羧甲基化均增强了 GEP-1 的抗氧化能力,且羧甲基化衍生物(CGEP)的抗氧化能力优于乙酰化衍生物(AGEP)。 免疫调节活性:细胞增殖实验表明,AGEP 和 CGEP 对 RAW264.7 细胞几乎无细胞 ...
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Fed holds rates steady
Resumes ground operations
Sentenced for fraud
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Hollywood director charged
US visa records unsealed
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Mexico City bullfighting ban
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UN climate report
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