{"id":26532,"date":"2021-01-25T21:59:24","date_gmt":"2021-01-25T14:59:24","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=26532"},"modified":"2021-01-25T21:59:28","modified_gmt":"2021-01-25T14:59:28","slug":"cam-bien-sinh-hoc-phat-hien-lay-nhiem-covid-19-trong-vai-giay","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cam-bien-sinh-hoc-phat-hien-lay-nhiem-covid-19-trong-vai-giay\/","title":{"rendered":"C\u1ea3m bi\u1ebfn sinh h\u1ecdc ph\u00e1t hi\u1ec7n l\u00e2y nhi\u1ec5m Covid-19 trong v\u00e0i gi\u00e2y"},"content":{"rendered":"\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Carnegie Mellon M\u1ef9 th\u00f4ng b\u00e1o v\u1ec1 m\u1ed9t c\u1ea3m bi\u1ebfn sinh h\u1ecdc, ch\u1ebf t\u1ea1o t\u1eeb v\u1eadt li\u1ec7u nano ti\u00ean ti\u1ebfn c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n trong v\u00f2ng v\u00e0i gi\u00e2y, nh\u1eefng kh\u00e1ng th\u1ec3 \u0111\u1eb7c hi\u1ec7u \u0111\u1ed1i v\u1edbi SARS-CoV-2.<\/strong><\/h2>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u00e1ng th\u1ec3 \u0111\u1eb7c hi\u1ec7u \u0111\u1ed1i v\u1edbi c\u00e1c kh\u00e1ng nguy\u00ean c\u1ee7a virus l\u00e0 m\u1ed9t trong hai ph\u01b0\u01a1ng ph\u00e1p ch\u1ee7 y\u1ebfu \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u00e2y nhi\u1ec5m d\u1ecbch b\u1ec7nh. X\u00e9t nghi\u1ec7m kh\u00e1ng th\u1ec3 c\u00f3 th\u1ec3 x\u00e1c minh xem v\u0103cxin<\/a> c\u00f3 ho\u1ea1t \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u tr\u1ecb hay kh\u00f4ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 tri\u1ec7u ch\u1ee9ng trong m\u1ed9t nh\u00f3m d\u00e2n s\u1ed1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

\"\"<\/td><\/tr>
Thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n kh\u00e1ng th\u1ec3 SARS-CoV-2.<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Ngo\u00e0i kh\u1ea3 n\u0103ng x\u00e9t nghi\u1ec7m, c\u1ea3m bi\u1ebfn c\u01a1 b\u1ea3n n\u00e0y h\u1ed7 tr\u1ee3 \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ed1i v\u1edbi v\u0103cxin m\u1edbi, cho ph\u00e9p b\u00e1c s\u0129 \u0111\u01b0a ra nh\u1eefng ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb x\u00e9t nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u00e1ng th\u1ec3 \u0111\u1ed1i v\u1edbi protein spike S1 (\u0111\u1ed9t bi\u1ebfn) v\u00e0 v\u00f9ng li\u00ean k\u1ebft th\u1ee5 th\u1ec3 (RBD) trong m\u1ed9t gi\u1ecdt m\u00e1u r\u1ea5t nh\u1ecf (kho\u1ea3ng 5 microliters). N\u1ed3ng \u0111\u1ed9 kh\u00e1ng th\u1ec3 c\u00f3 th\u1ec3 r\u1ea5t th\u1ea5p nh\u01b0ng v\u1eabn \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n ngay c\u1ea3 trong t\u00ecnh tr\u1ea1ng d\u01b0\u1edbi m\u1ed9t picomolar (0,15 nanogam tr\u00ean mililit).<\/p>\n\n\n\n

Quy tr\u00ecnh ph\u00e1t hi\u1ec7n kh\u00e1ng th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua m\u1ed9t ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a trong m\u1ed9t thi\u1ebft b\u1ecb vi l\u1ecfng c\u1ea7m tay, chuy\u1ec3n k\u1ebft qu\u1ea3 t\u1ee9c th\u1eddi \u0111\u1ebfn m\u1ed9t giao di\u1ec7n \u0111\u01a1n gi\u1ea3n tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/p>\n\n\n\n

 C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 s\u1eed d\u1ee5ng nh\u1eefng ti\u1ebfn b\u1ed9 m\u1edbi nh\u1ea5t trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u v\u00e0 s\u1ea3n xu\u1ea5t nh\u01b0 in 3D h\u1ea1t nano \u0111\u1ec3 ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb, c\u00f3 th\u1ec3 nhanh ch\u00f3ng ph\u00e1t hi\u1ec7n c\u00e1c kh\u00e1ng th\u1ec3 Covid-19.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t ph\u1ee5 tr\u1ee3, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 in 3D phun aerosol \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m. C\u00e1c \u0111i\u1ec7n c\u1ef1c vi kim lo\u1ea1i nh\u1ecf, r\u1ebb ti\u1ec1n b\u1eb1ng v\u00e0ng \u0111\u01b0\u1ee3c in \u1edf k\u00edch th\u01b0\u1edbc nano b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng nh\u1eefng gi\u1ecdt sol kh\u00ed, g\u1eafn k\u1ebft v\u1edbi nhau b\u1eb1ng thi\u00eau k\u1ebft nhi\u1ec7t.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o l\u00ean m\u1ed9t b\u1ec1 m\u1eb7t g\u1ed3 gh\u1ec1, kh\u00f4ng \u0111\u1ec1u, t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c vi c\u1ef1c v\u00e0 ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a, v\u00f9ng nh\u1eefng kh\u00e1ng th\u1ec3 c\u00f3 th\u1ec3 b\u00e1m v\u00e0o c\u00e1c kh\u00e1ng nguy\u00ean ph\u1ee7 tr\u00ean \u0111i\u1ec7n c\u1ef1c.<\/p>\n\n\n\n

H\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc \u0111\u1eb7c bi\u1ec7t n\u00e0y cho ph\u00e9p c\u00e1c vi c\u1ed9t d\u00ednh nhi\u1ec1u protein h\u01a1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n, cho k\u1ebft qu\u1ea3 nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

\"\"<\/td><\/tr>
C\u1ea5u tr\u00fac thi\u1ebft k\u1ebf v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n kh\u00e1ng th\u1ec3 SARS-CoV-2.<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

X\u00e9t nghi\u1ec7m c\u00f3 t\u1ef7 l\u1ec7 l\u1ed7i r\u1ea5t th\u1ea5p v\u00ec ph\u1ea3n \u1ee9ng g\u1eafn k\u1ebft gi\u1eefa kh\u00e1ng th\u1ec3 v\u00e0 kh\u00e1ng nguy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb c\u00f3 t\u00ednh ch\u1ecdn l\u1ecdc cao. C\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac thi\u1ebft k\u1ebf t\u1ef1 nhi\u00ean n\u00e0y cho nh\u1eefng m\u1ee5c \u0111\u00edch nghi\u00ean c\u1ee9u ri\u00eang.<\/p>\n\n\n\n

K\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch \u0111\u1ed1i v\u1edbi ti\u00eam ch\u1ee7ng, r\u1ea5t c\u1ea7n thi\u1ebft trong m\u00f4i tr\u01b0\u1eddng hi\u1ec7n nay.<\/p>\n\n\n\n

Ch\u1ea9n \u0111o\u00e1n nhanh ch\u00f3ng \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb v\u00e0 ph\u00f2ng ng\u1eeba nh\u1eefng b\u1ec7nh truy\u1ec1n nhi\u1ec5m l\u00e0 v\u1ea5n \u0111\u1ec1 then ch\u1ed1t trong s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng, ngo\u00e0i khu\u00f4n kh\u1ed5 chi\u1ebfn th\u1eafng \u0111\u1ea1i d\u1ecbch Covid-19 hi\u1ec7n nay.<\/p>\n\n\n\n

Do thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t mang t\u00ednh ph\u1ed5 d\u1ee5ng, thi\u1ebft k\u1ebf n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n nhanh ch\u00f3ng c\u00e1c d\u1ea5u \u1ea5n sinh h\u1ecdc \u0111\u1ed1i v\u1edbi c\u00e1c t\u00e1c nh\u00e2n l\u00e2y nhi\u1ec5m kh\u00e1c nh\u01b0 Ebola, HIV v\u00e0 Zika. M\u1ed9t th\u1eed nghi\u1ec7m nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 nh\u01b0 v\u1eady c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng ki\u1ec3m so\u00e1t s\u1ef1 l\u00e2y lan c\u1ee7a d\u1ecbch b\u1ec7nh.<\/p>\n\n\n\n

ngu\u1ed3n:khoahocdoisong.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Carnegie Mellon M\u1ef9 th\u00f4ng b\u00e1o v\u1ec1 m\u1ed9t c\u1ea3m bi\u1ebfn sinh h\u1ecdc, ch\u1ebf t\u1ea1o t\u1eeb v\u1eadt li\u1ec7u nano ti\u00ean ti\u1ebfn c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n trong v\u00f2ng v\u00e0i gi\u00e2y, nh\u1eefng kh\u00e1ng th\u1ec3 \u0111\u1eb7c hi\u1ec7u \u0111\u1ed1i v\u1edbi SARS-CoV-2. Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u00e1ng th\u1ec3 \u0111\u1eb7c hi\u1ec7u \u0111\u1ed1i v\u1edbi c\u00e1c kh\u00e1ng nguy\u00ean […]<\/p>\n","protected":false},"author":23,"featured_media":26533,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26532"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26532\/revisions"}],"predecessor-version":[{"id":26618,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26532\/revisions\/26618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26533"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}