Hydroxyl Free Radical Scavenging Capacity Assay Kit
羟自由基清除能力检测试剂盒
货号:AKAO013C
规格: 60T/50S
检测设备:可见分光光度计
可检测样本数:50 Samples
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Product Information
Hydroxyl Free Radical Scavenging Capacity Assay Kit
4℃ Wet Ice Transportation
  • 检测样本量:50 Samples
  • 主要检测设备及配套:可见分光光度计/1 mL玻璃比色皿(d=10 mm)
  • 预计测定时间:4 h (50 Samples)
  • 试剂储存条件:按照标签要求储存
  • 需自备试剂:
Detection Principle
H2O2/Fe2+通过Fenton反应产生羟自由基,将邻二氮菲-Fe2+水溶液中Fe2+氧化为Fe3+,导致536 nm处吸光值下降,根据吸光值下降速率的抑制程度即可表征样品清除羟自由基的能力。
  • 检测方法: Fenton比色法
  • 检测波长: 536 nm
  • 信号响应: 递增型
Notices

①不同样本羟自由基清除能力可能相差较大,若需要比较不同样本的羟自由基清除能力,建议对于同一批植物样本加入等量的样本,液体样本加入相同体积,提取物或者药物配制为相同浓度;将样本根据预实验结果进行适当调整,比较同样浓度(相同稀释倍数)的清除率大小;

②若测定样本较多时,可按试剂一:试剂二:试剂三=1:2:2的体积比配制为检测工作液,根据使用量现用现配;

③若A测定大于0.8,建议将待测样本使用提取液适当稀释后再进行测定;若A测定小于0.1,建议适当增加样本质量或液体样本体积重新提取后再进行测定,计算时相应修改;

注: 为保证结果准确且避免试剂损失,测定前请仔细阅读说明书(以实际收到说明书为准),确认试剂储存和准备是否充分,操作步骤是否清楚,且务必取2-3个预期差异交的样本进行预测定,过程中问题请您及时与工作人员联系。
Product Citation

[1] He F, Hu S, Liu R, et al. Decoding the biological toxicity of phenanthrene on intestinal cells of Eisenia fetida: Effects, toxicity pathways and corresponding mechanisms[J]. Science of The Total Environment, 2023, 904: 166903.(IF 9.8)

[2] He Y, Zhu Y, Lv J, et al. Effects of lactic acid bacteria fermentation on the bioactive composition, volatile compounds and antioxidant activity of Huyou (Citrus aurantium ‘Changshan-huyou’) peel and pomace[J]. Food Quality and Safety, 2023, 7: fyad003.(IF 5.6)

[3] Hu H, Huang X, Dai Y, et al. Organic metal matrix Mil-88a nano-enzyme for joint repair in the osteoarthritis mouse model[J]. Frontiers in Bioengineering and Biotechnology, 2023, 11: 1164942.(IF 5.7)

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