ArticleJournal of the American Chemical Society2013
Structural factors controlling the spin-spin exchange coupling: EPR spectroscopic studies of highly asymmetric trityl-nitroxide biradicals.
Article in Journal of the American Chemical Society, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
23 citing papers in PubMed.
- Hidden Morphological Features in Organically Synthesized Porous Carbon Revealed through Analysis of Contradictory NMR Spectra.ACS omega · 2026Article
- Tetra-substituted BDPA radicalsChemical communications (Cambridge, England) · 2026Article
- Anle138b binds predominantly to the central cavity in lipidic Aβ₄₀ fibrils and modulates fibril formation.Nature communications · 2025Article
- Systematic Evaluation of Polarizing Agents for Dynamic Nuclear Polarization Enhanced NMR.Angewandte Chemie (International ed. in English) · 2025Article
- Insights into PSII's SThe journal of physical chemistry letters · 2024Article
- Polarizing agents for efficient high field DNP solid-state NMR spectroscopy under magic-angle spinning: from design principles to formulation strategies.Chemical science · 2023Review
- Highly bioresistant, hydrophilic and rigidly linked trityl-nitroxide biradicals for cellular high-field dynamic nuclear polarization.Chemical science · 2022Article
- Dipolar pathways in multi-spin and multi-dimensional dipolar EPR spectroscopy.Physical chemistry chemical physics : PCCP · 2022Article
- The clinical drug candidate anle138b binds in a cavity of lipidic α-synuclein fibrils.Nature communications · 2022Article
- Spin-spin interaction and relaxation in two trityl-nitroxide diradicals.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2021Article
- Electron spin density matching for cross-effect dynamic nuclear polarization.Chemical communications (Cambridge, England) · 2019Article
- Exploring Applications of Covalent Organic Frameworks: Homogeneous Reticulation of Radicals for Dynamic Nuclear Polarization.Journal of the American Chemical Society · 2018Article
- Diastereoisomers of l-proline-linked trityl-nitroxide biradicals: synthesis and effect of chiral configurations on exchange interactions.Chemical science · 2018Article
- Synthesis of Nanometer Sized Bis- and Tris-trityl Model Compounds with Different Extent of Spin-Spin Coupling.Molecules (Basel, Switzerland) · 2018Article
- Triarylmethyl-based biradical as a superoxide probe.Free radical research · 2018Article
- Efficient cross-effect dynamic nuclear polarization without depolarization in high-resolution MAS NMR.Chemical science · 2017Article
- Trityl-based alkoxyamines as NMP controllers and spin-labels.Polymer chemistry · 2016Article
- Molecular Rationale for Improved Dynamic Nuclear Polarization of Biomembranes.The journal of physical chemistry. B · 2016Article
- Supramolecular host-guest interaction of trityl-nitroxide biradicals with cyclodextrins: modulation of spin-spin interaction and redox sensitivity.Organic & biomolecular chemistry · 2016Article
- Efficient Dynamic Nuclear Polarization at 800 MHz/527 GHz with Trityl-Nitroxide Biradicals.Angewandte Chemie (International ed. in English) · 2015Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
Abstract
Highly asymmetric exchange-coupled biradicals, e.g., the trityl-nitroxides (TNs), possess particular magnetic properties that have opened new possibilities for their application in biophysical, physicochemical, and biological studies. In the present work, we investigated the effect of the linker length on the spin-spin coupling interaction (J) in TN biradicals using the newly synthesized biradicals CT02-GT, CT02-AT, CT02-VT, and CT02-PPT as well as the previously reported biradicals TNN14 and TN1. The results show that the magnitude of J can be easily tuned from ~4 G (conformer 1 in CT02-PPT) to >1200 G (in TNN14) by varying the linker separating the two radical moieties and changing the temperature. Computer simulations of EPR spectra were carried out to estimate J values of the TN biradicals directly. In addition to the spin-spin coupling interaction of TN biradicals, their g, hyperfine-splitting, and zero-field-splitting interactions were explored at low temperature (220 K). Our present study clearly shows that varying the spin-spin interaction as a function of linker distance and temperature provides an effective strategy for the development of new TN biradicals that can find wide applications in relevant fields.
Indexed as
Identifiers
What OpenQuestion holds
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.