ArticlePhysical chemistry chemical physics : PCCP2016
Coherent pump pulses in Double Electron Electron Resonance spectroscopy.
Article in Physical chemistry chemical physics : PCCP, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
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- Swapped and non-swapped TRAAK states co-exist in membranes at a ratio influenced by temperature.Nature communications · 2026Article
- Conformational dynamics and asymmetry in multimodal inhibition of membrane-bound pyrophosphatases.eLife · 2025Article
- Q-Band Double Quantum Coherence ESR for Sensitive Nitroxide-Based Distance Measurements.The journal of physical chemistry. B · 2025Article
- Caught in the Middle: A Rigid DNA Label That Provides an Incisive Picture of DNA Conformational Flexibility in Protein-DNA Complexes.Journal of the American Chemical Society · 2025Article
- A short intrinsically disordered region at KtrB's N-terminus facilitates allosteric regulation of KNature communications · 2025Article
- Distinct Valence States of the [4Fe4S] Cluster Revealed in the Hydrogenase CrHydA1.Angewandte Chemie (International ed. in English) · 2025Article
- Structure and dynamics determine G protein coupling specificity at a class A GPCR.Science advances · 2025Article
- Multistate kinetics of the syringe-like injection mechanism of Tc toxins.Science advances · 2025Article
- Optimized shaped pulses for a 2D single-frequency technique for refocusing (SIFTER).Magnetic resonance (Gottingen, Germany) · 2025Article
- Pulsed EPR Methods in the Angstrom to Nanometre Scale Shed Light on the Conformational Flexibility of a Fluoride Riboswitch.Angewandte Chemie (International ed. in English) · 2024Article
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- Arabidopsis CaLB1 undergoes phase separation with the ESCRT protein ALIX and modulates autophagosome maturation.Nature communications · 2024Article
- CRISPR antiphage defence mediated by the cyclic nucleotide-binding membrane protein Csx23.Nucleic acids research · 2024Article
- Lateral gating mechanism and plasticity of the β-barrel assembly machinery complex in micelles andPNAS nexus · 2024Article
- Conformational Heterogeneity of β-Barrel Membrane Proteins Observed In Situ Using Orthogonal Spin Labels and Pulsed ESR Spectroscopy.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Title: experimental realisation of multi-qubit gates using electron paramagnetic resonance.Nature communications · 2023Article
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Authors and funding
2 authors.
Funding
Abstract
The recent introduction of shaped pulses to Double Electron Electron Resonance (DEER) spectroscopy has led to significant enhancements in sensitivity through increased excitation bandwidths and improved control over spin dynamics. The application of DEER has so far relied on the presence of an incoherent pump channel to average out most undesired coherent effects of the pump pulse(s) on the observer spins. However, in fully coherent EPR spectrometers that are increasingly used to generate shaped pulses, the presence of coherent pump pulses means that these effects need to be explicitly considered. In this paper, we examine the effects of coherent rectangular and sech/tanh pump pulses in DEER experiments with up to three pump pulses. We show that, even in the absence of significant overlap of the observer and pump pulse excitation bandwidths, coherence transfer pathways involving both types of pulses generate spin echoes of considerable intensity. These echoes introduce artefacts, which, if not identified and removed, can easily lead to misinterpretation. We demonstrate that the observed echoes can be quantitatively modelled using a simple spin quantum dynamics approach that includes instrumental transfer functions. Based on an analysis of the echo crossing artefacts, we propose efficient phase cycling schemes for their suppression. This enables the use of advanced DEER experiments, characterized by high sensitivity and increased accuracy for long-distance measurements, on novel fully coherent EPR spectrometers.
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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.