PBD-BODIPY is a probe for the spectrophotometric measurement of autoxidation reactions. Co-autoxidation of the PBD-BODIPY signal carrier and a hydrocarbon co-substrate can be quantified by monitoring loss of absorbance at 591 nm. PBD-BODIPY has been used to measure the activity of radical-trapping antioxidants in cell-free assays. It has also been used as a fluorescent probe for the detection of epoxidation activity.
PBD-BODIPY
| 规格 | 价格 | 库存 | 数量 | 操作 |
|---|---|---|---|---|
| 1mg | ¥3,543.00 | 现货 | 1 | |
| 5mg | ¥11,119.00 | 现货 | 1 | |
| 500μg | ¥1,866.00 | 现货 | 1 |
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产品描述 Description
实验参考方法 Experimental Reference Method
本方案仅提供一个指导,请根据您的具体需要进行修改。
PBD-BODIPY是用于自动氧化反应的分光光度测量的探针。
应用案例:PBD-BODIPY在苯乙烯自氧化中作为信号载体
文献来源:
Omkar Zilka, et al.On the Mechanism of Cytoprotection by Ferrostatin-1 and Liproxstatin-1 and the Role of Lipid Peroxidation in Ferroptotic Cell Death. ACS Cent Sci. 2017 Mar 22;3(3):232-243. doi: 10.1021/acscentsci.7b00028. Epub 2017 Mar 7.
实验方法:
1.苯乙烯用1 M NaOH水溶液洗涤三次,用MgSO4干燥,过滤,真空蒸馏,并通过二氧化硅,然后碱性氧化铝的沉淀纯化;
2 . 向含1.25 mL苯乙烯的比色皿中加入1.18 mL氯苯,并将溶液在37℃下平衡5 min;
3.将比色皿空白,加入12.5 μL 2 mM PBD-BODIPY的1,2,4-三氯苯溶液,然后加入50 μL 0.3 M AIBN的氯苯溶液,并充分混合溶液;
4.20分钟后,加入Lip-1、Fer-1、C15-THN、PMHC或α-TOH的氯苯储备溶液(1 mM),然后在591 nm处丧失的吸光度。PBD-BODIPY 信号载体和碳氢化合物共底物的共自氧化可以通过检测591 nm处吸光度的损失来量化。
实验结果示例:

PBD-BODIPY serves as the signal carrier in styrene autoxidations (A), enabling determination of rate constants (kinh) and stoichiometries (n) for reactions of inhibitors with chain-carrying peroxyl radicals (B). Coautoxidations of styrene (4.3 M) and PBD-BODIPY (10 μM) initiated by AIBN (6 mM) in chlorobenzene at 37 °C (black trace) and inhibited by 2 μM (red trace), 3 μM (green trace), and 4 μM (blue trace) of Fer-1 (C), Lip-1 (D), C15-THN (E), α-TOH (F), and PMHC (G). Average inhibition rate constants and stoichiometry summarized in panel H. Reaction progress was monitored by absorbance at 591 nm (ε = 139,000 M–1 cm–1).
PBD-BODIPY 充当苯乙烯自氧化 (A) 中的信号载体,能够确定抑制剂与链携带过氧自由基 (B) 反应的速率常数 (k inh ) 和化学计量 (n)。 苯乙烯 (4.3 M) 和 PBD-BODIPY (10 μM) 的共氧化反应由 AIBN (6 mM) 在氯苯中于 37 °C(黑色迹线)引发,并被 2 μM(红色迹线)、3 μM(绿色迹线)和 4 μM(蓝色迹线)的 Fer-1 (C)、Lip-1 (D)、C15-THN (E)、α-TOH (F) 和 PMHC (G)。 平均抑制率常数和化学计量总结于图H中。通过591 nm (ε = 139,000 M-1 cm-1)处的吸光度监测反应进程。
注意事项:
1)荧光染料均存在淬灭问题,请尽量注意避光,以减缓荧光淬灭。
2)为了您的安全和健康,请穿实验服并戴一次性手套操作。
产品文档 Product Documents
化学性质Chemical Properties
储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。
为了提高溶解度,请将管子加热至 37°C,然后在超声波浴中震荡一段时间。
