BODIPY 581/591 C11 是一種 BODIPY 氟硼熒衍生物,具有良好的光穩定性、低熒光偽影特質。BODIPY 581/591 C11 常用于活細胞內脂質過氧化和抗氧化性能的研究,或與羥基自由基反應、檢測鐵死亡 (ferroptosis)。BODIPY 581/591 C11 本身為紅色熒光 (還原型;Ex=581 nm, Em=591 nm),與脂質結合后會產生綠色熒光 (氧化型;Ex=500 nm, Em=510 nm)。
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C11 BODIPY 581/591 is a lipid-soluble ratiometric fluorescent indicator of lipid oxidation.[1] Upon oxidation, its excitation maximum shifts from 581 to 500 nm and the emission maximum shifts from 591 to 510 nm. C11 BODIPY 581/591 has been used in biochemical assays and live cell applications.[1],[2]
Reference:
[1]. Pap, E.H.W., Drummen, G.P.C., Winter, V.J., et al. Ratio-fluorescence microscopy of lipid oxidation in living cells using C11-BODIPY581/591 FEBS Lett. 453(3), 278-282 (1999).
[2]. Naguib, Y.M.A. A fluorometric method for measurement of peroxyl radical scavenging activities of lipophilic antioxidants Anal. Biochem. 265(2), 290-298 (1998).
恭喜以下科學家使用我司C11 BODIPY 581/591發表SCI論文:
1.Advanced Healthcare Materials.doi:10.1002/adhm.202202150.(IF:11.0,Q1)
2.Journal of Controlled Release.doi:10.1016/j.jconrel.2023.01.035 (IF:11.467,Q1)
3.Neoplasma Vol.69, No.3, p.648–656, 2022.doi:10.4149/neo_2022_211103N1568
4.Research Square(2022).doi:10.21203/rs.3.rs-2381256/v1
5.CNS Neuroscience & Therapeutics.22 February 2023.doi:10.1111/cns.14159
6.Journal of Colloid And Interface Science.645 (2023) 882–894.doi:10.1016/j.jcis.2023.05.003
7.Nano letters.April 10, 2023.doi:10.1021/acs.nanolett.3c00365
9.Brain Research.Volume 1824, 1 February 2024, 148689.doi:10.1016/j.brainres.2023.148689
10.Journal of Colloid And Interface Science.20 November 2023.doi:10.1016/j.jcis.2023.11.119
11.J. Agric. Food Chem. 2023, 71, 17295?17307.doi:10.1021/acs.jafc.3c03409
Measurement of neuron lipid peroxides:Lipid peroxides in neuron were measured by C11-BODIPY 581/591 (Amgicam, Wuhan, China; catalog number: ajci64572) staining. Briefly, cells were stained with BODIPY (5 μM) for 30 min at 37°C for 30 min in the dark. Then, cells were washed with PBS three times and observed immediately under a fluorescent microscopy. The fluorescence images were collected using a single rapid scan. In addition, we analyzed the levels of lipid peroxides by a fluorescence microplate reader. Cells were stained with BODIPY, washed with PBS and centrifugated for 5 min at 1000 ×g, the supernatant was removed, and the remaining cells were resolved with 1% Triton X-100. Fluorescence was analyzed at an excitation wavelength of 500nm and an emission wavelength of 510nm.
Reference:CNS Neuroscience & Therapeutics.22 February 2023.doi:10.1111/cns.14159
in vivo LPO accumulation:The mice were sacrificed and tumors were collected for cryosection. Tumor sections were stained with C11-BODIPY 581/591 (2.5 μM) at 37 ℃ for 30 min, and fixed with 10% paraformaldehyde at room temperature for 10 min. Then the tissue sections were stained with DAPI for 10 min. Finally, oxidized C11-BODIPY 581/591 was observed under a confocal microscope to evaluate in vivo LPO accumulation.
Reference:Neoplasma Vol.69, No.3, p.648–656, 2022.doi:10.4149/neo_2022_211103N1568