{"id":1502,"date":"2016-02-23T17:14:54","date_gmt":"2016-02-24T01:14:54","guid":{"rendered":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/?p=1502"},"modified":"2016-02-23T17:14:54","modified_gmt":"2016-02-24T01:14:54","slug":"update-av500-instrument-usable-with-limited-functionality","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/2016\/02\/update-av500-instrument-usable-with-limited-functionality\/","title":{"rendered":"UPDATE ! AV500 &#8211; INSTRUMENT USABLE WITH LIMITED FUNCTIONALITY"},"content":{"rendered":"<p>We have ordered the necessary replacement parts and asked the manufacturer to ship them asap.\u00a0 I am hoping that it will be Thursday before we get these parts.\u00a0 I am releasing the instrument for nominal use, with the following caveats, until we get the new boards in :<\/p>\n<ul>\n<li>The <strong>wobb signals <\/strong><strong>WILL<\/strong> be noisy, but the probe can be tuned ok.<\/li>\n<li>The pulse width for 1H is really large i.e. 18 us at -2 dB power.\u00a0 Contrast this with something like 8 us at lower power.<\/li>\n<li>The large pulse width also means that 1H decoupling may not be very efficient.<\/li>\n<li>Those who attempt spin locking experiment such as <strong>TOCSY<\/strong> <strong>SHOULD BE EXTRA CAREFUL<\/strong> not to over drive the probe.\u00a0 <strong>PLEASE ASK IF YOU ARE IN DOUBT !<\/strong><\/li>\n<\/ul>\n<p>The new boards should remedy all these and I am optimistic that by Friday the system should be in prime condition and ready for use.<\/p>\n<p>NMR Facility Manager<\/p>\n<p>2\/23\/16<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We have ordered the necessary replacement parts and asked the manufacturer to ship them asap.\u00a0 I am hoping that it will be Thursday before we get these parts.\u00a0 I am releasing the instrument for nominal use, with the following caveats, until we get the new boards in : The wobb signals WILL be noisy, but [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,9],"tags":[],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts\/1502"}],"collection":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/comments?post=1502"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts\/1502\/revisions"}],"predecessor-version":[{"id":1503,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts\/1502\/revisions\/1503"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/media?parent=1502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/categories?post=1502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/tags?post=1502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}