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Solubilization of elemental sulfur by surfactants promotes reduction to H ₂ S by thiols

https://doi.org/10.1039/d3cc01914d

Garcia, Arman C.; Pluth, Michael D. (May 2023, Chemical Communications)

Surfactants solubilize S₈ in water and promote thiol-mediated reduction to form H₂S. Anionic and cationic surfactants have different impacts on the resultant reactive sulfur species distribution.
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Cysteine-activated hydrogen selenide (H ₂ Se) delivery from isoselenocyanates

https://doi.org/10.1039/D5CC05352H

Dorit, Reis D; Li, Keyan; Steven, Christopher A; Garcia, Arman C; Newton, Turner D; Fosnacht, Kaylin G; Pluth, Michael D (October 2025, Chemical Communications)

Hydrogen selenide (H2Se) is an emerging bioregulator and precursor to essential selenium-containing biomolecules. We show that aryl isoselenocyanates (ISeC-R) release H2Se upon activation by cysteine, and that electronic substitution can modulate release profiles. We also demonstrate applications to live cell imaging, expanding available tools for investigating H2Se chemical biology.
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Free, publicly-accessible full text available October 30, 2026
Supramolecular Activation of S ₈ by Cucurbiturils in Water and Mechanism of Reduction to H ₂ S by Thiols: Insights into Biological Sulfane Sulfur Trafficking

https://doi.org/10.1021/jacs.2c06332

Garcia, Arman C.; Zakharov, Lev N.; Pluth, Michael D. (August 2022, Journal of the American Chemical Society)

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Hydrolysis-Based Small-Molecule Hydrogen Selenide (H ₂ Se) Donors for Intracellular H ₂ Se Delivery

https://doi.org/10.1021/jacs.1c09525

Newton, Turner D.; Bolton, Sarah G.; Garcia, Arman C.; Chouinard, Julie E.; Golledge, Stephen L.; Zakharov, Lev N.; Pluth, Michael D. (November 2021, Journal of the American Chemical Society)

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