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mBBr [Monobromobimane] *CAS 71418-44-5*

mBBr is one of the most popular thiol-reactive fluorescent tags, and is widely used to detect various thiol-containing biomolecules such as glutathione in cells. It is fluorogenic upon reacting with thiol-containing molecules. mBBr is used for the determination of the redox status of low molecular weight and protein thiols in biological systems. MBBr-based in situ derivatization results in maximal recovery of both free, reduced low molecular weight and bromobimane accessible protein thiols. The quantitation of the corresponding adducts of protein thiols is achieved by fluorescence spectroscopy following protein precipitation.

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of mBBr [Monobromobimane] *CAS 71418-44-5* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM368.854 µL1.844 mL3.689 mL18.443 mL36.885 mL
5 mM73.771 µL368.854 µL737.708 µL3.689 mL7.377 mL
10 mM36.885 µL184.427 µL368.854 µL1.844 mL3.689 mL

Molarity calculator

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Spectrum

Citations

View all 1 citations: Citation Explorer
The development of antioxidant system in the intestinal tract of broiler chickens
Authors: Tang, Dazhi and Wu, Jianmin and Jiao, Hongchao and Wang, Xiaojuan and Zhao, Jingpeng and Lin, Hai
Journal: Poultry science (2019): 664--678

References

View all 25 references: Citation Explorer
Reactivity of zinc finger cysteines: chemical modifications within labile zinc fingers in estrogen receptor
Authors: Atsriku C, Scott GK, Benz CC, Baldwin MA.
Journal: J Am Soc Mass Spectrom (2005): 2017
Interaction of S100A8/S100A9-arachidonic acid complexes with the scavenger receptor CD36 may facilitate fatty acid uptake by endothelial cells
Authors: Kerkhoff C, Sorg C, T and on NN, Nacken W.
Journal: Biochemistry (2001): 241
Determination of plasma homocysteine by high performance liquid chromatography with fluorescence detection
Authors: Liao Y, Liang YQ, Zhi XM, Liao ZH.
Journal: Se Pu (2000): 49
Plasma cysteine deficiency and decreased reduction of nitrososulfamethoxazole with HIV infection
Authors: Naisbitt DJ, Vilar FJ, Stalford AC, Wilkins EG, Pirmohamed M, Park BK.
Journal: AIDS Res Hum Retroviruses (2000): 1929
Fatty acid translocase/CD36 mediates the uptake of palmitate by type II pneumocytes
Authors: Guthmann F, Haupt R, Looman AC, Spener F, Rustow B.
Journal: Am J Physiol (1999): L191
Page updated on November 21, 2024

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Physical properties

Molecular weight

271.11

Solvent

DMSO

Spectral properties

Excitation (nm)

395

Emission (nm)

490

Storage, safety and handling

Certificate of OriginDownload PDF
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Freeze (< -15 °C); Minimize light exposure
UNSPSC12171501

CAS

71418-44-5
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