ArticlePhysical chemistry chemical physics : PCCP2022
Diffusion equation for the longitudinal spectral diffusion: the case of the RIDME experiment.
Article in Physical chemistry chemical physics : PCCP, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Multiple quantumScience advances · 2026Article
- EPR spectroscopy 80 years after its discovery.Science advances · 2026Review
- Quantifying the liquid-liquid transition in cold water/glycerol mixtures by intermolecular hyperfine relaxation-induced dipolar modulation enhancement (ih-RIDME).Physical chemistry chemical physics : PCCP · 2025Article
- Q-Band Double Quantum Coherence ESR for Sensitive Nitroxide-Based Distance Measurements.The journal of physical chemistry. B · 2025Article
- Tracking life and death of carbon nitride supports in platinum-catalyzed vinyl chloride synthesis.Nature communications · 2025Article
- RIDME Spectroscopy: New Topics Beyond the Determination of Electron Spin-Spin Distances.The journal of physical chemistry letters · 2025Review
- Frequency and time domainPhysical chemistry chemical physics : PCCP · 2025Article
- ih-RIDME: a pulse EPR experiment to probe the heterogeneous nuclear environment.Magnetic resonance (Gottingen, Germany) · 2025Article
- Electron-spin decoherence in trityl radicals in the absence and presence of microwave irradiation.Magnetic resonance (Gottingen, Germany) · 2025Article
- Deconvoluting Monomer- and Dimer-Specific Distance Distributions between Spin Labels in a Monomer/Dimer Mixture UsingJournal of the American Chemical Society · 2024Article
- Quantification of Distributions of Local Proton Concentrations in Heterogeneous Soft Matter and Non-Anfinsen Biomacromolecules.The journal of physical chemistry letters · 2024Article
- Exploring tunneling ESEEM beyond methyl groups in nitroxides at low temperatures.Physical chemistry chemical physics : PCCP · 2024Article
Corrections and comments
- Erratum issued
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Relaxation-induced dipolar modulation enhancement (RIDME) time trace shapes reveal linear scaling with the proton concentration in homogeneous glassy samples. We describe here an approximate diffusion equation-based analysis of such data, which uses only two fit parameters and allows for global data fitting with good accuracy. By construction, the approach should be transferable to other pulse EPR experiments with longitudinal mixing block(s) present. The two fit parameters appear to be sensitive to the type of the glassy matrix and can be thus used for sample characterisation. The estimates suggest that the presented technique should be sensitive to protons at distances up to 3 nm from the electron spin at a 90% matrix deuteration level. We propose that a structural method might be developed based on such an intermolecular hyperfine (ih-)RIDME technique, which would be useful, for instance, in structural biology or dynamic nuclear polarisation experiments.
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