氧化应激是由活性氧类（ros）生成能力与细胞的活性氧清除能力失衡所致。ros可与核酸、蛋白质和脂质发生反应并引起细胞和组织损伤，使用选择性或一般性指示剂可对ros进行检测。

活性氧检测试剂盒(Reactive Oxygen Species Assay Kit，也称ROS Assay Kit)是一种利用荧光探针DCFH-DA进行活性氧检测的试剂盒。 DCFH-DA本身没有荧光，可以自由穿过细胞膜，进入细胞内后，可以被细胞内的酯酶水解生成DCFH。

2019年3月2日 · 活性氧 检测试剂盒 (Reactive Oxygen Species Assay Kit) 是一种基于荧光染料 DCFH-DA (2,7-Dichlorodi -hydrofluorescein diacetate) 的荧光强度变化，定量检测细胞内活性氧水平的最常用方法。 DCFH-DA 本身没有荧光，可以自由穿过细胞膜。

The Reactive Oxygen Species (ROS) Fluorometric Assay Kit is a highly reliable and sensitive assay designed for the quantitative measurement of ROS in fresh tissue and live cell samples. ROS are highly reactive molecules that play a crucial role in various physiological and pathological processes, including oxidative stress, inflammation, and ...

Detection of lipid peroxidation with the Invitrogen Image-iT Lipid Peroxidation Kit. Superoxide, peroxyl radical, hydrogen peroxide, hydroxyl radical, and peroxynitrite are examples of ROS that react with nucleic acids, proteins, and lipids and result in cell and tissue damage.

The Total Reactive Oxygen Species (ROS) Assay Kit 520 nm contains the necessary regent and buffer for identifying ROS in cells by flow cytometry in the FITC channel. Reactive oxygen species are chemically reactive oxygen-containing molecules that are generated as a natural byproduct of the oxygen metabolism.

碧云天研发生产的活性氧检测试剂盒(CM-H2DCFDA) (Reactive Oxygen Species Assay Kit with CM-H2DCFDA，也称ROS Assay Kit with CM-H2DCFDA)，是一种利用荧光探针CM-H2DCFDA进行活性氧检测的试剂盒。

活性氧 (Reactive Oxygen Species, ROS) 主要是由有氧呼吸过程中氧气还原或细胞内各种酶系反应生成。 在生理状态下，ROS 有助于细胞信号传递和宿主防御。 然而，当 ROS 的生成超出生物系统的解毒能力时，就会引发氧化应激，导致细胞损伤。

荧光细胞内 ros 试剂盒提供灵敏的一步荧光检测法，用于在孵育 1 小时后检测活细胞中的细胞内 ros（特别是超氧化物和羟基自由基）。ros 与定位于细胞质的荧光传感器反应，产生与存在的 ros 量成比例的荧光产物。

Cellular ROS Assay Kit (Red) ab186027 uses a ROS sensor to quantify ROS (Reactive Oxygen Species) in live cells. The red dye used in the ROS assay protocol is cell-permeable and generates red fluorescence when it reacts with ROS. The kit is an optimized "mix and read" assay format that is compatible with HTS liquid handling instruments.