Spatially resolved spectroscopy using tapered stripline NMR

Journal of Magnetic Resonance
Koen C H TijssenP Jan M van Bentum

Abstract

Magnetic field B0 gradients are essential in modern Nuclear Magnetic Resonance spectroscopy and imaging. Although RF/B1 gradients can be used to fulfill a similar role, this is not used in common practice because of practical limitations in the design of B1 gradient coils. Here we present a new method to create B1 gradients using stripline RF coils. The conductor-width of a stripline NMR chip and the strength of its radiofrequency field are correlated, so a stripline chip can be tapered to produce any arbitrary shaped B1 field gradient. Here we show the characterization of this tapered stripline configuration and demonstrate three applications: magnetic resonance imaging on samples with nL-μL volumes, reaction monitoring of fast chemical reactions (10(-2)-10(1)s) and the compensation of B0 field gradients to obtain high-resolution spectra in inhomogeneous magnetic fields.

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Citations

Apr 16, 2016·Journal of Magnetic Resonance·S G J van MeertenP J M van Bentum
May 10, 2018·PloS One·E MontinaroG Boero
Oct 13, 2017·Physical Chemistry Chemical Physics : PCCP·Ying ChenNancy M Washton
Sep 14, 2017·Chemistry : a European Journal·Ville RontuSami Franssila
Jan 5, 2019·Analytical Chemistry·Mazin JoudaNeil MacKinnon

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