{"id":363,"date":"2022-08-01T08:32:43","date_gmt":"2022-07-31T20:32:43","guid":{"rendered":"https:\/\/blogs.otago.ac.nz\/keithgordon\/?p=363"},"modified":"2022-08-01T08:32:43","modified_gmt":"2022-07-31T20:32:43","slug":"new-publication-in-analytical-chemistry","status":"publish","type":"post","link":"https:\/\/blogs.otago.ac.nz\/keithgordon\/new-publication-in-analytical-chemistry\/","title":{"rendered":"New publication in Analytical Chemistry"},"content":{"rendered":"<p>Karlis, Sara, Keith and Thomas Rades (Copenhagen) recently published a paper in Analytical Chemistry (2022) <em>94<\/em>, 8241 \u2013 8248\u00a0 <a href=\"https:\/\/doi.org\/10.1021\/acs.analchem.2c00371\">https:\/\/doi.org\/10.1021\/acs.analchem.2c00371<\/a> (369) that describes how low frequency Raman may\u00a0 be used to sense mobility of molecules in the glassy state.\u00a0 By monitoring the shape of the low frequency Raman scattering in the Stokes and anti-Stokes regions.\u00a0 Not only is it possible to see the primary glass transition temperature, the so-called <i>T<\/i><sub>g<\/sub> or <i>T<\/i><sub>\u03b1<\/sub>, but it is also possible the <i>T<\/i><sub>\u03b2<\/sub> transition which represents much more subtle local changes in microstructure.<\/p>\n<p><i>T<\/i><sub>\u03b2<\/sub> is important because it appears to be linked to shelf-life for pharmaceuticals.<a href=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Keith.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-359\" src=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Keith.png\" alt=\"\" width=\"114\" height=\"141\" srcset=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Keith.png 305w, https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Keith-241x300.png 241w\" sizes=\"auto, (max-width: 114px) 100vw, 114px\" \/><\/a><a href=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Sara.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-356\" src=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Sara.png\" alt=\"\" width=\"142\" height=\"143\" srcset=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Sara.png 262w, https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Sara-150x150.png 150w\" sizes=\"auto, (max-width: 142px) 100vw, 142px\" \/><\/a><a href=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Karlis.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-365\" src=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/Karlis.png\" alt=\"\" width=\"145\" height=\"134\" \/><\/a><\/p>\n<p><a href=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/images_large_ac2c00371_0007-1.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-366\" src=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/images_large_ac2c00371_0007-1.jpeg\" alt=\"\" width=\"996\" height=\"346\" srcset=\"https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/images_large_ac2c00371_0007-1.jpeg 996w, https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/images_large_ac2c00371_0007-1-300x104.jpeg 300w, https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/images_large_ac2c00371_0007-1-768x267.jpeg 768w, https:\/\/blogs.otago.ac.nz\/keithgordon\/files\/2022\/08\/images_large_ac2c00371_0007-1-500x174.jpeg 500w\" sizes=\"auto, (max-width: 996px) 100vw, 996px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Karlis, Sara, Keith and Thomas Rades (Copenhagen) recently published a paper in Analytical Chemistry (2022) 94, 8241 \u2013 8248\u00a0 https:\/\/doi.org\/10.1021\/acs.analchem.2c00371 (369) that describes how low frequency Raman may\u00a0 be used to sense mobility of molecules in the glassy state.\u00a0 By monitoring the shape of the low frequency Raman scattering in the Stokes and anti-Stokes regions.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":33170,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-363","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/posts\/363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/users\/33170"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/comments?post=363"}],"version-history":[{"count":0,"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/posts\/363\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/media?parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/categories?post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.otago.ac.nz\/keithgordon\/wp-json\/wp\/v2\/tags?post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}