Interface-Induced Concentration Enhancement in Glycine Solutions Investigated Using Surface Plasmon Resonance Spectroscopy and Molecular Dynamics Simulations.

Ruairidh Mackay, Mozhdeh Mohammadpour, Binoy Paulose Nadappuram, Karen Johnston, Jan Sefcik, King Hang Aaron Lau

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Article in The journal of physical chemistry letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Ruairidh MackayEPSRC Future Manufacturing Research Hub in Continuous Manufacturing and Advanced Crystallisation, Technology and Innovation Centre, University of Strathclyde, Glasgow G1 1RD, U.K.

Mozhdeh MohammadpourDepartment of Chemical and Process Engineering, University of Strathclyde, Glasgow G1 1XJ, U.K.ORCID 0000-0001-6944-4281

Binoy Paulose NadappuramDepartment of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.ORCID 0000-0002-1386-8357

Karen JohnstonDepartment of Chemical and Process Engineering, University of Strathclyde, Glasgow G1 1XJ, U.K.ORCID 0000-0002-5817-3479

Jan SefcikEPSRC Future Manufacturing Research Hub in Continuous Manufacturing and Advanced Crystallisation, Technology and Innovation Centre, University of Strathclyde, Glasgow G1 1RD, U.K.ORCID 0000-0002-7181-5122

King Hang Aaron LauDepartment of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.ORCID 0000-0003-3676-9228

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Recent molecular simulations indicate nanoscale heterogeneity at liquid-solution interfaces, which is expected to significantly impact interfacial processes, such as catalysis and nucleation. We investigate the enhancement of glycine concentration in aqueous solutions at solid interfaces using molecular dynamics (MD) simulations and surface plasmon spectroscopy (SPR) measurements. MD predicts an interfacial concentration enhancement in a nanoscale solution region at the solid surface. SPR shows for the first time direct experimental evidence of such an enhancement in small molecule liquid mixtures. The excess interfacial mass density on gold and polystyrene surfaces for undersaturated glycine solutions reaches up to ∼50 ng/cm

Identifiers

PMID42081674

DOI10.1021/acs.jpclett.5c03688

PMCPMC13181769

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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.