CyQUANT™ LDH 细胞毒性荧光检测
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CyQUANT™ LDH 细胞毒性荧光检测
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CyQUANT™ LDH 细胞毒性荧光检测

CyQUANT LDH 细胞毒性荧光检测提供了一种简单可靠的细胞毒性荧光测定方法。乳酸脱氢酶 (LDH) 是一种存在于许多不同细胞类型中的胞质酶,在质膜损伤后会释放到细胞培养基中。CyQUANT LDH 细胞毒性荧光检测提供了用于准确定量测量细胞外 LDH了解更多信息
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货号数量发射
C203011000 次检测490 nm
C20300200 次检测490 nm
C20302200 次检测590 nm
C203031000 次检测590 nm
V231111 Kit587 nm
货号 C20301
价格(CNY)
4,083.00
飞享价
Ends: 31-Dec-2025
5,495.00
共减 1,412.00 (26%)
Each
添加至购物车
数量:
1000 次检测
发射:
490 nm
价格(CNY)
4,083.00
飞享价
Ends: 31-Dec-2025
5,495.00
共减 1,412.00 (26%)
Each
添加至购物车

CyQUANT LDH 细胞毒性荧光检测提供了一种简单可靠的细胞毒性荧光测定方法。乳酸脱氢酶 (LDH) 是一种存在于许多不同细胞类型中的胞质酶,在质膜损伤后会释放到细胞培养基中。CyQUANT LDH 细胞毒性荧光检测提供了用于准确定量测量细胞外 LDH 的试剂。

CyQUANT LDH 细胞毒性荧光检测的特点包括:
便利—适用于贴壁和悬浮细胞(包括 3D 细胞模型)的加样-混合-读数检测方案
准确—提供 LDH 释放量的定量测量
灵活—适用于高通量筛选,可监测同一样品中细胞毒性随时间推移的变化
稳健—高度纯化的刃天青配方,可得到广泛的检测动态范围

LDH 是一种存在于许多不同细胞类型中的胞质酶,并且是公认且可靠的细胞毒性指标。细胞膜损伤会导致 LDH 释放到周围的细胞培养基中。这些细胞外 LDH 可以通过偶联酶反应进行定量,其中 LDH 通过将 NAD+ 还原为 NADH 而催化乳酸盐转换为丙酮酸。然后,黄递酶使用 NADH 将刃天青还原为试卤灵,后者可以使用 560 nm 的激发波长和 590 nm 的发射波长进行检测。试卤灵形成水平与释放到培养基中的 LDH 含量成正比。

作为合成和生产过程的结果,所有基于刃天青的试剂均含有可检测数量的试卤灵污染。污染量因材料来源和生产条件而存在很大不同,导致可检测的背景荧光出现差异。更重要的是,试卤灵污染会降低检测的信号背景比以及动态范围。本公司开发出一种能够去除试卤灵污染的创新工艺,从而得到在 CyQUANT™ LDH 细胞毒性荧光检测中使用的高纯度刃天青。

CyQUANT LDH 细胞毒性荧光检测提供了简单、可靠的细胞毒性荧光定量分析所需的试剂。该试剂盒可用于不同细胞类型,包括 3D 细胞模型,既可测量化合物介导的细胞毒性,也可测量细胞介导的细胞毒性。由于使用培养基中的 LDH 作为细胞毒性的指示剂,该检测方法可以用于监测同一样品中细胞毒性随时间推移的变化。进行分析时,需要将一定量的细胞培养基转移到新的微孔板中并加入反应混合物。孵育 10 分钟后,加入终止液停止反应,然后使用微孔板读数仪测量荧光。

仅供科研使用。不可用于诊断程序。
规格
细胞渗透性非细胞通透性
描述CyQUANT™ LDH 细胞毒性检测
检测方法比色法
染料类型Other Label(s) or Dye(s), Resorufin
产品规格96 孔板
数量1000 次检测
运输条件干冰
颜色红色
发射490 nm
适用于(应用)LDH 细胞毒性测定试剂盒
适用于(设备)酶标仪
产品线CyQUANT™
产品类型LDH 细胞毒性测定试剂盒
Unit SizeEach
内容与储存
• 底物混合物,5小瓶冻干产物
• 测定缓冲液,5 x 600 μL
• 裂解缓冲液,12 mL
• 终止液,60 mL
• LDH 阳性对照品,30 μL

在 -5 至 -30°C 下避光储存

常见问题解答 (FAQ)

How many assays can I perform using the CyQUANT LDH Cytotoxicity Assay Kit (Cat. No. C20301)?

The CyQUANT LDH Cytotoxicity Assay Kit (Cat. No. C20301) contains sufficient reagents to perform 1,000 assays in 96-well plates.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

What is the concentration of the LDH Positive Control included in the CyQUANT LDH Cytotoxicity Assay Kit (Cat. Nos. C20300, C20301)?

The concentration of the LDH Positive Control included in the CyQUANT LDH Cytotoxicity Assay Kit (Cat. Nos. C20300, C20301) is proprietary.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

I observed a slight color change when I prepared the Reaction Mixture from the CyQUANT LDH Cytotoxicity Assay Kit (Cat. Nos. C20300, C20301) prior to testing my samples. Is this normal?

The CYQUANT LDH Cytotoxicity Assay Kit (Cat. Nos. C20300, C20301) Assay Buffer used to prepare the Reaction Mixture, contains the reaction dye and therefore has some inherent coloration.

The color change should be considerably noticeable with the Positive Control in comparison to the Assay Buffer alone.

Find additional tips, troubleshooting help, and resources within our Cell Viability, Proliferation, Cryopreservation, and Apoptosis Support Center.

Can I collect the media from the CyQUANT LDH Cytotoxicity Assay at different time points during the day and then do the assay later in the day?

We do not recommend doing this. The LDH in the media should be tested as soon as possible to avoid the loss of LDH activity. The reaction mixture is stable for 3 to 4 weeks, stored frozen.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

Can I refrigerate or freeze the collected media from the CyQUANT LDH Cytotoxicity Assay and analyze at a later time?

We do not recommend doing this. Refrigeration or freezing and storage over time would cause the loss of LDH activity.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.