{"id":11660,"date":"2020-01-10T01:36:12","date_gmt":"2020-01-10T01:36:12","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11660"},"modified":"2020-01-10T01:36:12","modified_gmt":"2020-01-10T01:36:12","slug":"rapid-detection-of-airborne-sars-cov-2-a-breakthrough","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/medical-technology\/rapid-detection-of-airborne-sars-cov-2-a-breakthrough\/","title":{"rendered":"Rychl\u00e1 detekce vzdu\u0161n\u00e9ho SARS-CoV-2: Pr\u016flom"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Rychl\u00e1 detekce vzdu\u0161n\u00e9ho SARS-CoV-2: Pr\u016flom<\/h2>\n\n<h2 class=\"wp-block-heading\">P\u0159ehled za\u0159\u00edzen\u00ed<\/h2>\n\n<p>V\u011bdci vyvinuli pr\u016flomov\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 dok\u00e1\u017ee rychle detekovat SARS-CoV-2, virus zp\u016fsobuj\u00edc\u00ed onemocn\u011bn\u00ed COVID-19, ve vzduchu do p\u011bti minut. Tento detektor typu proof-of-concept m\u00e1 potenci\u00e1l zm\u011bnit zp\u016fsob, jak\u00fdm monitorujeme a \u0159\u00edd\u00edme vzdu\u0161n\u00e9 viry ve ve\u0159ejn\u00fdch prostorech.<\/p>\n\n<p>Za\u0159\u00edzen\u00ed zn\u00e1m\u00e9 jako mokr\u00fd cykl\u00f3nov\u00fd vzorkova\u010d aerosolu vyu\u017e\u00edv\u00e1 jedine\u010dn\u00fd design inspirovan\u00fd p\u0159edchoz\u00edm za\u0159\u00edzen\u00edm pou\u017e\u00edvan\u00fdm k detekci proteinu v mozku pacient\u016f s Alzheimerovou chorobou. Nas\u00e1v\u00e1 vzduch rychlost\u00ed 1 000 litr\u016f za minutu a v\u00ed\u0159\u00ed jej jako cykl\u00f3n, aby zachytil virov\u00e9 \u010d\u00e1stice v kapaln\u00e9 suspenzi.<\/p>\n\n<h2 class=\"wp-block-heading\">Detek\u010dn\u00ed mechanismus<\/h2>\n\n<p>Po p\u011bti minut\u00e1ch se k anal\u00fdze suspenze pou\u017eije biosenzor vyroben\u00fd z elektrody p\u0159ipevn\u011bn\u00e9 k nanoprotil\u00e1tk\u00e1m, co\u017e jsou proteiny imunitn\u00edho syst\u00e9mu poch\u00e1zej\u00edc\u00ed z lam. Tyto nanoprotil\u00e1tky maj\u00ed pozoruhodnou afinitu k spike protein\u016fm koronavir\u016f, co\u017e jim umo\u017e\u0148uje detekovat p\u0159\u00edtomnost viru.<\/p>\n\n<p>Senzorem se pot\u00e9 pro\u017eene elektrick\u00fd proud, co\u017e zp\u016fsob\u00ed, \u017ee spike proteiny ztrat\u00ed elektrony. Kdy\u017e druh\u00e1 sonda detekuje tuto zm\u011bnu, p\u0159\u00edstroj potvrd\u00ed p\u0159\u00edtomnost SARS-CoV-2.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159esnost a pou\u017eit\u00ed<\/h2>\n\n<p>Ve studii publikovan\u00e9 v \u010dasopise Nature Communications v\u011bdci prok\u00e1zali, \u017ee za\u0159\u00edzen\u00ed je z 77 a\u017e 83 procent p\u0159esn\u00e9 p\u0159i detekci v\u0161ech variant koronaviru ve vzduchu. Dok\u00e1zalo tak\u00e9 \u00fasp\u011b\u0161n\u011b detekovat virus v bytech dvou pacient\u016f s pozitivn\u00edm testem na COVID-19 b\u011bhem pouh\u00fdch p\u011bti minut.<\/p>\n\n<p>Za\u0159\u00edzen\u00ed by mohlo m\u00edt \u0161irok\u00e9 uplatn\u011bn\u00ed ve zdravotnictv\u00ed a ve\u0159ejn\u00e9m zdravotnictv\u00ed. Mohlo by se pou\u017e\u00edvat k vyhled\u00e1v\u00e1n\u00ed viru v nemocnic\u00edch, n\u00e1kupn\u00edch centrech, na leti\u0161t\u00edch a dal\u0161\u00edch ve\u0159ejn\u00fdch m\u00edstech, co\u017e by pomohlo identifikovat oblasti s vysok\u00fdm rizikem a informovat o opat\u0159en\u00edch pro kontrolu infekce.<\/p>\n\n<h2 class=\"wp-block-heading\">N\u00e1klady a budouc\u00ed vyhl\u00eddky<\/h2>\n\n<p>Sou\u010dasn\u00e9 n\u00e1klady na v\u00fdrobu za\u0159\u00edzen\u00ed v laborato\u0159i se odhaduj\u00ed na 1 400 a\u017e 1 900 USD. V\u011bdci se v\u0161ak domn\u00edvaj\u00ed, \u017ee s dal\u0161\u00edm v\u00fdvojem by mohl b\u00fdt mikrovlnn\u00fd detektor navr\u017een tak, aby vyhled\u00e1val i jin\u00e9 vzdu\u0161n\u00e9 viry.<\/p>\n\n<p>T\u00fdm v sou\u010dasn\u00e9 dob\u011b zkoum\u00e1 potenci\u00e1l detekce ch\u0159ipky, RSV a dal\u0161\u00edch patogen\u016f pomoc\u00ed stejn\u00e9 technologie. V\u011b\u0159\u00ed, \u017ee toto za\u0159\u00edzen\u00ed m\u00e1 potenci\u00e1l zm\u011bnit zp\u016fsob, jak\u00fdm monitorujeme a \u0159\u00edd\u00edme vzdu\u0161n\u00e9 viry, a p\u0159isp\u011bt tak ke zlep\u0161en\u00ed v\u00fdsledk\u016f v oblasti ve\u0159ejn\u00e9ho zdrav\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed funkce a v\u00fdhody:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Za\u0159\u00edzen\u00ed je navr\u017eeno tak, aby bylo p\u0159enosn\u00e9 a snadno pou\u017eiteln\u00e9, co\u017e umo\u017e\u0148uje rychl\u00e9 nasazen\u00ed v r\u016fzn\u00fdch prost\u0159ed\u00edch.<\/li>\n<li>Poskytuje detekci v re\u00e1ln\u00e9m \u010dase, co\u017e eliminuje pot\u0159ebu zdlouhav\u00e9ho testov\u00e1n\u00ed PCR.<\/li>\n<li>Senzor zalo\u017een\u00fd na nanoprotil\u00e1tk\u00e1ch je vysoce citliv\u00fd a specifick\u00fd, co\u017e umo\u017e\u0148uje p\u0159esnou identifikaci viru.<\/li>\n<li>Cykl\u00f3nov\u00e1 trajektorie \u010d\u00e1stic zaji\u0161\u0165uje \u00fa\u010dinn\u00e9 zachycen\u00ed virov\u00fdch \u010d\u00e1stic ze vzduchu.<\/li>\n<li>N\u00edzk\u00e9 n\u00e1klady na za\u0159\u00edzen\u00ed umo\u017e\u0148uj\u00ed jeho \u0161irok\u00e9 zaveden\u00ed ve ve\u0159ejn\u00fdch prostor\u00e1ch.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Rychl\u00e1 detekce vzdu\u0161n\u00e9ho SARS-CoV-2: Pr\u016flom P\u0159ehled za\u0159\u00edzen\u00ed V\u011bdci vyvinuli pr\u016flomov\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 dok\u00e1\u017ee rychle detekovat SARS-CoV-2, virus zp\u016fsobuj\u00edc\u00ed onemocn\u011bn\u00ed COVID-19, ve vzduchu do p\u011bti minut. Tento detektor typu proof-of-concept m\u00e1&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[507],"tags":[15752,443,2569,15751,1858,178],"class_list":["post-11660","post","type-post","status-publish","format-standard","hentry","category-medical-technology","tag-biosensors","tag-covid-19","tag-nanotechnology","tag-rapid-detection","tag-sars-cov-2","tag-public-health"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=11660"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11660\/revisions"}],"predecessor-version":[{"id":11661,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11660\/revisions\/11661"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=11660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=11660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=11660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}