C\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c B\u1ed9 N\u0103ng l\u01b0\u1ee3ng M\u1ef9 \u0111ang t\u00ecm c\u00e1ch \u0111\u1ec3 bi\u1ebfn nh\u1eefng n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc do m\u1ed9t lo\u1ea1i virus v\u00f4 h\u1ea1i t\u1ea1o ra th\u00e0nh ngu\u1ed3n \u0111i\u1ec7n n\u0103ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.
\n\u0110\u0103ng ng\u00e0y 16-05-2012 trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi
\nC\u01b0\u1ee1ng b\u00e1ch vi r\u00fat l\u00e0m m\u00e1y ph\u00e1t \u201cs\u1ed1ng\u201d
\nM\u00e1y ph\u00e1t \u0111i\u1ec7n \u201cs\u1ed1ng\u201d \u0111\u1ee7 s\u1ee9c t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 ch\u1ea1y m\u00e0n h\u00ecnh LCD – \u1ea2nh: Lawrence Berkeley National Laboratory<\/p>\n
C\u00e1c chuy\u00ean gia v\u1ec1 c\u00f4ng ngh\u1ec7 nano thu\u1ed9c Ph\u00f2ng Th\u00ed nghi\u1ec7m Qu\u1ed1c gia M\u1ef9 Lawrence Berkeley cho bi\u1ebft h\u1ecd v\u1eeba ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng m\u1ed9t b\u1ed9 ph\u00e1t \u0111i\u1ec7n \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra \u0111i\u1ec7n n\u0103ng nh\u1edd ‘khai th\u00e1c c\u00e1c thu\u1ed9c t\u00ednh \u00e1p \u0111i\u1ec7n c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u sinh h\u1ecdc’.<\/p>\n
M\u00e1y ph\u00e1t \u0111i\u1ec7n si\u00eau nh\u1ecf n\u00e0y s\u1eed d\u1ee5ng lo\u1ea1i virus chuy\u00ean \u0103n vi khu\u1ea9n M13, c\u00f3 k\u00edch th\u01b0\u1edbc chi\u1ec1u d\u00e0i 880 nano m\u00e9t v\u00e0 \u0111\u01b0\u1eddng k\u00ednh 6,6 nano m\u00e9t. Quan tr\u1ecdng h\u01a1n, virus M13 v\u00f4 h\u1ea1i v\u1edbi con ng\u01b0\u1eddi b\u1edfi n\u00f3 ch\u1ec9 t\u1ea5n c\u00f4ng c\u00e1c lo\u1ea1i vi khu\u1ea9n.<\/p>\n
Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u00e1p m\u1ed9t tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb v\u00e0o m\u1ed9t t\u1ea5m phim ch\u1ee9a virus M13 (kho\u1ea3ng 2.700 protein t\u00edch \u0111i\u1ec7n) v\u00e0 s\u1eed d\u1ee5ng m\u1ed9t chi\u1ebfc k\u00ednh hi\u1ec3n vi \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 quan s\u00e1t nh\u1eefng thay \u0111\u1ed5i. Sau \u0111\u00f3, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt gene \u0111\u1ec3 t\u0103ng s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 \u0111i\u1ec7n t\u00edch gi\u1eefa hai \u0111\u1ea7u d\u01b0\u01a1ng v\u00e0 \u00e2m c\u1ee7a protein, nh\u1edd \u0111\u00f3 t\u0103ng \u0111i\u1ec7n \u00e1p c\u1ee7a virus. C\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng \u0111\u00e3 th\u1eed nghi\u1ec7m s\u1eed d\u1ee5ng x\u1ebfp l\u1edbp c\u00e1c virus theo m\u1ed9t ch\u1ed3ng v\u00e0 th\u1ea5y r\u1eb1ng m\u1ed9t ch\u1ed3ng v\u1edbi 20 l\u1edbp s\u1ebd mang l\u1ea1i ‘hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n m\u1ea1nh nh\u1ea5t’.<\/p>\n
M\u1ed9t b\u1ed9 ph\u00e1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb ba l\u1edbp phim c\u00f3 k\u00edch th\u01b0\u1edbc kho\u1ea3ng 1cm2 c\u00f3 ch\u1ee9a c\u00e1c virus bi\u1ebfn \u0111\u1ed5i gene \u0111\u01b0\u1ee3c k\u1eb9p gi\u1eefa hai t\u1ea5m \u0111i\u1ec7n c\u1ef1c b\u1eb1ng v\u00e0ng. B\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n n\u00e0y l\u1ea1i k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng. Nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft: ‘Khi s\u1ee9c \u00e9p t\u00e1c \u0111\u1ed9ng l\u00ean m\u00e1y ph\u00e1t \u0111i\u1ec7n, n\u00f3 \u0111\u00e3 t\u1ea1o ra m\u1ed9t d\u00f2ng \u0111i\u1ec7n c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 kho\u1ea3ng 6 nano ampe v\u1edbi \u0111i\u1ec7n \u00e1p 400 milivolt. L\u01b0\u1ee3ng \u0111i\u1ec7n n\u00e0y \u0111\u1ee7 \u0111\u1ec3 l\u00e0m nh\u00e1y l\u00ean ch\u1eef s\u1ed1 ‘1’ tr\u00ean chi\u1ebfc m\u00e0n h\u00ecnh, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kho\u1ea3ng 25% \u0111i\u1ec7n \u00e1p c\u1ee7a m\u1ed9t vi\u00ean pin AAA’.<\/p>\n
\u00d4ng Seung-WukLee, m\u1ed9t nh\u00e0 khoa h\u1ecdc thu\u1ed9c Ph\u00f2ng Th\u00ed nghi\u1ec7m Berkeley tham gia nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft nh\u00f3m c\u1ee7a \u00f4ng \u0111ang t\u00ecm c\u00e1ch \u0111\u1ec3 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i c\u00f4ng ngh\u1ec7 n\u00e0y. \u00d4ng n\u00f3i: ‘Do ch\u00fang ta c\u00f3 kh\u1ea3 n\u0103ng ch\u1ebf t\u1ea1o c\u00e1c virus bi\u1ebfn \u0111\u1ed5i gene v\u1edbi quy m\u00f4 l\u1edbn, c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n s\u1eed d\u1ee5ng virus s\u1ebd gi\u00fap t\u1ea1o ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n gi\u00fap ch\u1ebf t\u1ea1o c\u00e1c thi\u1ebft b\u1ecb vi \u0111i\u1ec7n t\u1eed trong t\u01b0\u01a1ng lai’.<\/p>\n
Theo Th\u1ea3o Nguy\u00ean – http:\/\/www.nhandan.com.vn<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c B\u1ed9 N\u0103ng l\u01b0\u1ee3ng M\u1ef9 \u0111ang t\u00ecm c\u00e1ch \u0111\u1ec3 bi\u1ebfn nh\u1eefng n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc do m\u1ed9t lo\u1ea1i virus v\u00f4 h\u1ea1i t\u1ea1o ra th\u00e0nh ngu\u1ed3n \u0111i\u1ec7n n\u0103ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c. \u0110\u0103ng ng\u00e0y 16-05-2012 trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi C\u01b0\u1ee1ng b\u00e1ch vi r\u00fat l\u00e0m m\u00e1y ph\u00e1t \u201cs\u1ed1ng\u201d M\u00e1y ph\u00e1t […]\n","protected":false},"author":1,"featured_media":6466,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6585"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=6585"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6585\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6466"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}