Reactive Oxygen Species (ROS) Fluorometric Assay Kit (Green)
中文名称:活性氧(ROS)荧光法测试盒(绿色)

Price:
Size:
96 T
- 样本类型: 组织;细胞
- 检测仪器及波长: 荧光酶标仪(Ex/Em=488 nm/525 nm)、流式细胞仪或荧光显微镜
- 研究领域: 氧化应激;代谢疾病;铁死亡;能量代谢
说明书或网站上未涉及的样本类型请先跟技术支持沟通,可进行售前验证
根据需测样本数,试剂盒测样本孔数和单个样本测量孔数来计算所需生化试剂盒数量,请点击按钮 计算
检测原理 |
DCFH-DA(2,7-dichlorofuorescin diacetate)是一种可以自由穿过细胞膜的荧光探针,自身没有荧光,进入细胞内后,可以被细胞内的酯酶水解生成DCFH(dichlorofluorescin)。在活性氧存在时DCFH被氧化为不能透过细胞膜的强绿色荧光物质DCF(dichlorofluorescein),其荧光在激发波长502nm,发射波长530nm附近有最大波峰,强度与细胞内活性氧水平成正比。
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指标简称 | ROS |
样本量 | 200-300 μL |
检测时间 | 1 h |
检测仪器及波长 | 荧光酶标仪(Ex/Em=488 nm/525 nm)、流式细胞仪或荧光显微镜 |
保存条件 | 该产品可在 2-8°C/-20°C避光条件下保存6个月,具体试剂组分的保存条件请参考说明书。 |
有效期 | 6个月 |
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Q1:该试剂盒能否检测组织匀浆中的ROS?
该试剂盒适用于检测活细胞ROS,组织匀浆处理后,细胞已经破碎死亡,因此该试剂盒不能检测组织匀浆。如果是新鲜组织样本,制备成单细胞悬液,可以检测。
Q2:该试剂盒检测的ROS包含脂质ROS吗?
该ROS试剂盒检测的ROS没有特指针对某一类ROS,检测的是总的ROS,因为探针的特异性没有那么强。
Q3:试剂一和试剂二的使用浓度是多少?试剂盒可以检测多少个样本?
不同样本间存在差异,试剂一具体使用浓度和作用时间及试剂二的具体使用浓度和刺激时间,需进行预实验探索,由预实验确定。试剂盒可以检测的样本数量取决于试剂一的浓度及用量。
Q4:ROS试剂盒检测的是什么荧光,样本本身有荧光对结果有影响吗?
ROS试剂盒检测的是强绿色荧光,如果样本自身携带的荧光也是绿色的就有干扰,其他颜色的荧光对该试剂盒检测没有影响。

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