Bruker 400 MHz Ascend DNP NMR spectrometer. ... 2 NMR probes : 3.2 mm RTMAS HXY, 3.2 mm DNP LTMAS HXY; Dynamic Nuclear Polarization. Sometimes, the use of this technique is limited by its lack of ...

The majority of the DNP-enhanced spectra were acquired on a commercial Bruker Avance III 400 MHz (9.4 T) NMR spectrometer equipped with a 263 GHz gyrotron microwave source using a 3.2 mm triple ...