In June of 2006, the H/C/N cold probe was installed on the NMR. This probe substantially increased the sensitivity of the instrument (an s/n of ca. 6000:1 on the proton standard). In September of 2006, the cryogenic switch opened again for the 3rd time, but was rapidly returned to service. An agreement with Varian and Magnex on service for this continuing issue is largely complete. [OPERATIONS] Dr. Edward Nikonowicz, Vice Director of the GCC MR, serves as the contact at Rice for the 800 MHz. Dr. Quinn Kleerekoper serves as laboratory manager. For members of the GCC, the instrument is available on a fee-for-service basis ($8/hr). [TRAINING] The lab manager offers personalized instruction in the operation of the instrument. Instrument competence is required for a user to qualify for unassisted use.
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