Compact, low-cost NMR spectrometer and probe for dissolution DNP

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Abstract

The desire for higher magnetic resonance sensitivity has led to the development of multiple home-built and commercial dissolution dynamic nuclear polarization polarizers. The emergence of polarizers capable of variable magnetic field strengths desires a versatile standalone spectrometer and NMR circuit to fulfill detection needs at different frequencies. We present a benchtop NMR spectrometer with duplexer capable of serving high-field solid and liquid state NMR applications up to 450 MHz. A detailed view of the employed probe is discussed. Tuning and matching schemes are investigated yielding and experimentally verifying closed-form equations to estimate nutation frequency for a remotely tuned and matched sample coil.

Original languageEnglish
JournalJournal of Magnetic Resonance
Volume304
Pages (from-to)7-15
ISSN1090-7807
DOIs
Publication statusPublished - 2019

Keywords

  • Dissolution DNP
  • NMR spectrometer
  • DNP probe
  • Solid-state NMR

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