{"id":9543,"date":"2014-03-25T22:05:19","date_gmt":"2014-03-25T21:05:19","guid":{"rendered":"http:\/\/catai.net\/blog\/?p=9543"},"modified":"2014-03-25T22:05:19","modified_gmt":"2014-03-25T21:05:19","slug":"hand-held-mass-spectroscopy-for-medical-detection","status":"publish","type":"post","link":"https:\/\/catai.net\/blog\/2014\/03\/hand-held-mass-spectroscopy-for-medical-detection\/","title":{"rendered":"Hand held mass spectroscopy for medical detection."},"content":{"rendered":"<p>Hand held solutions in medicine increase dramatically. Now is the mass spectroscopy thanks to the effect of nanotubes on the paper for analysis. The research was carried out in\u00a0Purdue University and in the Indian Institute of Technology Madras and published in\u00a0the journal <em>Angewandte Chemie.<\/em><\/p>\n<p>Those <a href=\"http:\/\/phys.org\/news\/2014-03-nanotube-coating-mass-spectrometers.html\">nanotubes coating mass spectrometers<\/a>\u00a0will represent a huge improvement on over the spot analysis, giving the results in the moment with better sensitivity and at lower prices.<\/p>\n<p>Not only <strong>improve the detection<\/strong> but <strong>increase accuracy. <\/strong>The reason <span style=\"color: #ff0000;\">the\u00a0paper to collect the sample is coated with carbon nanotubes<\/span>. Under those circunstances the voltage required was 1,000 less but the signal is sharper and allowing to detect more molecules present in the sample.<\/p>\n<p>This is a great improvement. As a result of this\u00a0\u00a0the power required is reduces drastically reducing \u00a0battery size and cost. The system become hand-held: it is lighter, cheaper and smaller capable to be miniaturized.\u00a0\u00a0There are already several generations of miniature mass spectrometers. The latest generation is the &#8220;<strong><a href=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/ac403766c\">Mini 12<\/a><\/strong>&#8221; published in the journal <em>Analytical Chemistry.<\/em><\/p>\n<p><a href=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Mini-12-Handheld-mass-spectrometer.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9550\" title=\"Mini 12-Handheld mass spectrometer\" src=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Mini-12-Handheld-mass-spectrometer.gif\" alt=\"\" width=\"500\" height=\"193\" srcset=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Mini-12-Handheld-mass-spectrometer.gif 500w, https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Mini-12-Handheld-mass-spectrometer-300x115.gif 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>The National Science Foundation-funded study used an analysis technique developed by Cooks and his colleagues called <strong><a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S1387380611001977\">PaperSpray\u2122 ionization<\/a>.<\/strong><\/p>\n<p><a href=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Paper-spray-ionization-paper.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9552\" title=\"Paper spray ionization paper\" src=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Paper-spray-ionization-paper.jpg\" alt=\"\" width=\"484\" height=\"200\" srcset=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Paper-spray-ionization-paper.jpg 484w, https:\/\/catai.net\/blog\/wp-content\/uploads\/2014\/03\/Paper-spray-ionization-paper-300x123.jpg 300w\" sizes=\"auto, (max-width: 484px) 100vw, 484px\" \/><\/a><\/p>\n<p><strong><\/strong>The technique es as follows: Wipe an object or place a drop of liquid on paper wet with a solvent to capture residues from the object&#8217;s surface. A small triangle is then cut from the paper and placed on a special attachment of the <a href=\"http:\/\/phys.org\/tags\/mass+spectrometer\/\" rel=\"tag\">mass spectrometer<\/a> where voltage is applied. The voltage creates an <a href=\"http:\/\/phys.org\/tags\/electric+field\/\" rel=\"tag\">electric field<\/a> that turns the mixture of solvent and residues into fine droplets containing ionized molecules that pop off and are vacuumed into the mass spectrometer for analysis. The mass spectrometer then identifies the sample&#8217;s ionized molecules by their mass.<\/p>\n<p>Up to now it has been used for\u00a0molecular imaging for cancer diagnostics and surgery; therapeutic drug monitoring; testing for biomarkers in urine; and the <strong>identification of food-borne pathogens, bacteria, pesticides and explosives residues<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hand held solutions in medicine increase dramatically. Now is the mass spectroscopy thanks to the effect of nanotubes on the paper for analysis. The research was carried out in\u00a0Purdue University and in the Indian Institute of Technology Madras and published in\u00a0the journal Angewandte Chemie. Those nanotubes coating mass spectrometers\u00a0will represent a huge improvement on over [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[14,35,40,13,24,26,28,29,32,9],"tags":[],"class_list":["post-9543","post","type-post","status-publish","format-standard","hentry","category-demostradores","category-idi","category-innovacion","category-phealth","category-productividad","category-publicaciones","category-sanidad","category-seguridad","category-sociedad_red","category-unesco"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hand held mass spectroscopy for medical detection. | Telemedicina<\/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:\/\/catai.net\/blog\/2014\/03\/hand-held-mass-spectroscopy-for-medical-detection\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hand held mass spectroscopy for medical detection. | Telemedicina\" \/>\n<meta property=\"og:description\" content=\"Hand held solutions in medicine increase dramatically. Now is the mass spectroscopy thanks to the effect of nanotubes on the paper for analysis. The research was carried out in\u00a0Purdue University and in the Indian Institute of Technology Madras and published in\u00a0the journal Angewandte Chemie. 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