Journal
REDOX BIOLOGY
Volume 57, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.redox.2022.102502
Keywords
Sulfane sulfur; Chemical derivatization; Mass spectrometry; Fluorescence
Categories
Funding
- NSF
- NIH
- [CHE2100870]
- [R01GM125968]
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This review summarizes current detection methods for sulfane sulfur species, including cyanolysis, chemical derivatization and mass spectrometry, proteomic analysis, fluorescent probes, and resonance synchronous/Raman spectroscopic methods. The design principles, advantages, applications, and limitations of each method are discussed, along with suggested directions for future research on these methods.
Sulfane sulfur species such as hydropersulfides (RSSH), polysulfides (RSnR), and hydrogen polysulfides (H2Sn) are critically involved in sulfur-mediated redox signaling, but their detailed mechanisms of action need further clarification. Therefore, there is a need to develop selective and sensitive sulfane sulfur detection methods to gauge a better understanding of their functions. This review summarizes current detection methods that include cyanolysis, chemical derivatization and mass spectrometry, proteomic analysis, fluorescent probes, and reso-nance synchronous/Raman spectroscopic methods. The design principles, advantages, applications, and limita-tions of each method are discussed, along with suggested directions for future research on these methods. The development of robust detection methods for sulfane sulfur species will help to elucidate their mechanisms and functions in biological systems.
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