{"id":3954,"date":"2021-04-30T13:51:51","date_gmt":"2021-04-30T17:51:51","guid":{"rendered":"https:\/\/www.med.unc.edu\/corefacilities\/?p=3954"},"modified":"2021-04-30T13:52:48","modified_gmt":"2021-04-30T17:52:48","slug":"new-mass-photometer-in-unc-pep-mx-core","status":"publish","type":"post","link":"https:\/\/www.med.unc.edu\/corefacilities\/new-mass-photometer-in-unc-pep-mx-core\/","title":{"rendered":"NEW Mass Photometer in UNC PEP-MX Core"},"content":{"rendered":"<p>The <strong>UNC PEP-MX core<\/strong> has a Refeyn One <strong>Mass Photometry<\/strong> instrument that\u2019s now available for use. The Mass Photometer measures minute perturbations in the refractive index of a solution as biomolecules tumble within. Sophisticated software then calculates the masses of the particles that produced those optical differences (Figure 1).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3955\" src=\"https:\/\/www.med.unc.edu\/corefacilities\/wp-content\/uploads\/sites\/943\/2021\/04\/UNC-PEP-MX-CORE.png\" alt=\"UNC PEP MX CORE\" width=\"1004\" height=\"751\" srcset=\"https:\/\/www.med.unc.edu\/corefacilities\/wp-content\/uploads\/sites\/943\/2021\/04\/UNC-PEP-MX-CORE.png 1004w, https:\/\/www.med.unc.edu\/corefacilities\/wp-content\/uploads\/sites\/943\/2021\/04\/UNC-PEP-MX-CORE-300x224.png 300w, https:\/\/www.med.unc.edu\/corefacilities\/wp-content\/uploads\/sites\/943\/2021\/04\/UNC-PEP-MX-CORE-768x574.png 768w, https:\/\/www.med.unc.edu\/corefacilities\/wp-content\/uploads\/sites\/943\/2021\/04\/UNC-PEP-MX-CORE-280x210.png 280w, https:\/\/www.med.unc.edu\/corefacilities\/wp-content\/uploads\/sites\/943\/2021\/04\/UNC-PEP-MX-CORE-600x449.png 600w\" sizes=\"auto, (max-width: 1004px) 100vw, 1004px\" \/><\/p>\n<p>Figure 1. Recent experimental data acquired by the mass photometer on a joint project between the laboratories of Dr N Brown and Dr J Schisler (UNC Pharmacology). The sample was composed of the ubiquitin ligase known as CHIP (C-terminus of Hsc70-interacting protein). CHIP is known to exhibit successive oligomeric states, clearly identifiable in the histogram.<\/p>\n<p>&nbsp;<\/p>\n<p>The mass photometer has a range of 40 kDa \u2013 5 MDa with an accuracy ~5-10% of known. Sample needs are roughly 100 ul at 100 nM (~5 ug\/ml) or less, and the instrument can accommodate proteins, DNAs, RNAs, and virtually any assemblies thereof. The instrument can assess sample quality, oligomeric states, complex formation, and more. Contact the core (<a href=\"mailto:pepcore@med.unc.edu\">pepcore@med.unc.edu<\/a>) to schedule training and instrument time!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The UNC PEP-MX core has a Refeyn One Mass Photometry instrument that\u2019s now available for use.<\/p>\n","protected":false},"author":28418,"featured_media":3955,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"layout":"","cellInformation":"","apiCallInformation":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[2,6],"tags":[27],"class_list":["post-3954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-spotlight","tag-unc-pep-mx-core","odd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NEW Mass Photometer in UNC PEP-MX Core - Core Facilities<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.med.unc.edu\/corefacilities\/new-mass-photometer-in-unc-pep-mx-core\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEW Mass Photometer in UNC PEP-MX Core - Core Facilities\" \/>\n<meta property=\"og:description\" content=\"The UNC PEP-MX core has a Refeyn One Mass Photometry instrument that\u2019s now available for use.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.med.unc.edu\/corefacilities\/new-mass-photometer-in-unc-pep-mx-core\/\" \/>\n<meta property=\"og:site_name\" content=\"Core Facilities\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-30T17:51:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-04-30T17:52:48+00:00\" \/>\n<meta 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