Diane Daube

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We report on the spontaneous polarization transfer from dynamically hyperpolarized 1H to 13C during magic-angle spinning dynamic nuclear polarization (DNP) at temperatures around 100 K. The transfer is mediated by 1H-13C cross-relaxation within methyl groups due to reorientation dynamics, and results in an inverted 13C NMR signal of enhanced amplitude.(More)
Human nocardiosis usually involves the respiratory tract or the skin but may disseminate to virtually any organ. It occurs in immunocompromised hosts as well as individuals with no apparent predisposition. Involvement of the pericardium is uncommon, having been reported infrequently in the past, but mandates surgical management. This report describes the(More)
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