ArticleProceedings of the National Academy of Sciences of the United States of America2012
Anions dramatically enhance proton transfer through aqueous interfaces.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 65 citations in OpenAlex.
- It is Separation, Not Contact: Electrification at Water-Hydrophobe Interfaces during Wetting-Dewetting Cycles.Langmuir : the ACS journal of surfaces and colloids · 2026Article
- "On-Water" Interfacial Acidification Enhances Direct Ammonolysis of Triglycerides.ChemSusChem · 2025Article
- Article
- Zwitterions Layer at but Do Not Screen Electrified Interfaces.The journal of physical chemistry. B · 2022Article
- On the formation of hydrogen peroxide in water microdroplets.Chemical science · 2022Article
- Electrification at water-hydrophobe interfaces.Nature communications · 2020Article
- Molecular reactions at aqueous interfaces.Nature reviews. Chemistry · 2020Review
- Reply to the 'Comment on "The chemical reactions in electrosprays of water do not always correspond to those at the pristine air-water interface"' by A. J. Colussi and S. Enami,Chemical science · 2019Article
- The chemical reactions in electrosprays of water do not always correspond to those at the pristine air-water interface.Chemical science · 2019Article
- Going beyond electrospray: mass spectrometric studies of chemical reactions in and on liquids.Chemical science · 2016Article
- Fenton chemistry at aqueous interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Brønsted basicity of the air-water interface.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Proton transfer (PT) through and across aqueous interfaces is a fundamental process in chemistry and biology. Notwithstanding its importance, it is not generally realized that interfacial PT is quite different from conventional PT in bulk water. Here we show that, in contrast with the behavior of strong nitric acid in aqueous solution, gas-phase HNO(3) does not dissociate upon collision with the surface of water unless a few ions (> 1 per 10(6) H(2)O) are present. By applying online electrospray ionization mass spectrometry to monitor in situ the surface of aqueous jets exposed to HNO(3(g)) beams we found that NO(3)(-) production increases dramatically on > 30-μM inert electrolyte solutions. We also performed quantum mechanical calculations confirming that the sizable barrier hindering HNO(3) dissociation on the surface of small water clusters is drastically lowered in the presence of anions. Anions electrostatically assist in drawing the proton away from NO(3)(-) lingering outside the cluster, whose incorporation is hampered by the energetic cost of opening a cavity therein. Present results provide both direct experimental evidence and mechanistic insights on the counterintuitive slowness of PT at water-hydrophobe boundaries and its remarkable sensitivity to electrostatic effects.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.