Amino Acid (AA) Content Assay Kit
氨基酸含量检测试剂盒
货号:AKAM001C
规格: 70T/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
Amino Acid (AA) Content 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:
    无水乙醇(C2H6O,MW=46.07,CAS: 64-17-5)
Detection Principle
氨基酸中的α-氨基在加热条件及弱酸环境下能够与水合茚三酮反应生成蓝紫色化合物,产物在570 nm处具有特征吸收峰,通过吸光值变化即可定量检测氨基酸的含量。
  • 检测方法: 水合茚三酮法
  • 检测波长: 570 nm
  • 信号响应: 递增型
Refreence Information
  • 标准物质: Leucine
  • 参考标准: y=0.0058x+0.0029(R2=0.9992)
  • 标准线性范围: 12.5-200 μg/mL
  • 检测限: 10 μg/mL
  • 注:不同仪器及比色材质会对结果产生影响,以实际测定值为准。
Notices

①试剂二和试剂三均需现用现配且避光保存,配制后有效期较短,为便于试验安排,均附赠一瓶作为备用;

②若测定吸光值超出标准吸光值线性范围:高于最高值建议将待测样本使用试剂一适当稀释后再进行测定;低于最低值建议适当调整样本量和提取液比例后再进行测定,计算时相应调整;

③脯氨酸和羟脯氨酸与茚三酮反应在570 nm处无吸收峰,测定结果不含这两种氨基酸的含量;

④提取过程会使蛋白变性,若使用蛋白浓度计算,需单独使用PBS提取后再测定蛋白浓度;

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] Yuan Z, Long W, Liang T, et al. Effect of foliar spraying of organic and inorganic selenium fertilizers during different growth stages on selenium accumulation and speciation in rice[J]. Plant and Soil, 2023, 486(1-2): 87-101.(IF 4.993)

[2] Fan L, Li X, Li H, et al. Comparative transcriptome analysis to unveil genes affecting the host cuticle destruction in Metarhizium rileyi[J]. Current Genetics, 2023: 1-13.(IF 2.5)

[3] Huang L, Han Y, Zhong K, et al. Exploring the fungal communities and their correlation with the physicochemical properties of Zaopocu, a distinctive fermented food on Hainan island[J]. Biologia, 2023: 1-18.(IF 1.5)

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