Dale C. Griffith

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An assay for the determination of prekallikrein activator (PKA) in human blood products is described. Kallikrein released from a prekallikrein substrate preparation by PKA in the sample is determined using the synthetic substrate S-2302 (H-D-Pro-Phe-Arg-pNA). The PKA content of the sample is quantitated by interpolation from a standard line obtained using a(More)
adar data contain phase errors whose sources include uncompensated platform motion and transmitter and receiver phase errors. Achieving theoretical resolution from a pulse compression system requires a method to minimize those phase errors. This article discusses a method of estimating and correcting phase errors in synthetic aperture radar data. The method(More)
In two experiments subjects performed a choice-reaction-time (CRT) task and a second task concurrently. The second task was a simple reaction-time task in Experiment 1 and sentence generation and recall tasks in Experiment 2. Both studies yielded two main findings: Performance of the second task was not affected by CRT memory load (one, two, or four items),(More)
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