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The R-index approach to the signal-detection P(A) index of sensitivity was used to measure taste sensitivity to NaCl solutions. The R-index is the predicted probability of the correct choice of a signal, for a given signal-noise pair. For flow-wise and sipwise presentation, R-indices did not fluctuate significantly, provided subjects could not see the(More)
A pair of triple resonance based CEST pulse schemes are presented for measuring ¹³C(α) and ¹³C(β) chemical shifts of sparsely populated and transiently formed conformers that are invisible to traditional NMR experiments. CEST profiles containing dips at resonance positions of ¹³C(α) or ¹³C(β) spins of major (ground) and minor (excited) conformers are(More)
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