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Joined 2026-09-21 Message
Incoming links: J. S. Waugh
J. S. Waugh 2026-11-05
J. S. Waugh helped develop proton-enhanced solid-state nuclear magnetic resonance with Alexander Pines and M. G. Gibby. Their method transfers polarization from abundant proton spins to more dilute nuclear spins, making otherwise weak signals easier to observe.[ref]
Proton-enhanced NMR of dilute spins in solids by Alexander Pines and others. Polarization transfer and high-resolution detection
This cross-polarization (nuclear magnetic resonance) technique separates creating a strong spin signal from reducing spectral broadening during its detection.
M. G. Gibby 2026-11-05
M. G. Gibby, with Alexander Pines and J. S. Waugh, developed enhanced detection of dilute spins in solids through proton polarization transfer. The work connected spin manipulation with both signal enhancement and resolved spectra.[ref]
Proton-enhanced NMR of dilute spins in solids by Alexander Pines and others. Proton-enhanced polarization and detection of dilute spins
Abundant spins serve as a polarization resource, while their interactions must also be managed so that the dilute-spin spectrum remains interpretable. The cross-polarization (nuclear magnetic resonance) mechanism therefore addresses sensitivity without making line broadening irrelevant.
Alexander Pines, M. G. Gibby and J. S. Waugh, Journal of Chemical Physics 59, 569–590. DOI: 10.1063/1.1680061. Original abstract: transfer of polarization from abundant spins to rare spins, followed by decoupling for spectral resolution.