{"id":5827,"date":"2017-05-12T18:32:18","date_gmt":"2017-05-12T11:32:18","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5827"},"modified":"2017-10-03T11:24:55","modified_gmt":"2017-10-03T04:24:55","slug":"mach-phan-huy-sinh-hoc-co-the-lam-giam-rac-thai-dien-tu-dang-tang-tren-the-gioi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mach-phan-huy-sinh-hoc-co-the-lam-giam-rac-thai-dien-tu-dang-tang-tren-the-gioi\/","title":{"rendered":"M\u1ea1ch ph\u00e2n hu\u1ef7 sinh h\u1ecdc c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m r\u00e1c th\u1ea3i \u0111i\u1ec7n t\u1eed \u0111ang t\u0103ng tr\u00ean th\u1ebf gi\u1edbi"},"content":{"rendered":"

Cu\u1ed9c c\u00e1ch m\u1ea1ng m\u00e1y t\u00ednh \u0111\u00e3 \u0111\u01b0a ki\u1ebfn th\u1ee9c c\u1ee7a th\u1ebf gi\u1edbi v\u00e0o t\u1ea7m tay c\u1ee7a ch\u00fang ta v\u00e0 r\u00e1c \u0111i\u1ec7n t\u1eed ng\u00e0y c\u00e0ng nhi\u1ec1u, g\u00e2y ra nh\u1eefng nguy hi\u1ec3m l\u00e2u d\u00e0i.<\/strong><\/p>\n

\"\"<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u bao g\u1ed3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u h\u00f3a h\u1ecdc, k\u1ef9 s\u01b0 v\u00e0 c\u00e1c chuy\u00ean gia v\u1eadt li\u1ec7u t\u1eeb \u0110\u1ea1i h\u1ecdc Stanford, \u0110\u1ea1i h\u1ecdc California t\u1ea1i Santa Barbara v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y t\u00ednh Hewlett-Packard – Hoa K\u1ef3 n\u00f3i r\u1eb1ng, h\u1ecd c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch s\u1ea3n xu\u1ea5t m\u1ed9t lo\u1ea1i m\u1ea1ch m\u1ec1m, nh\u1eb9 v\u00e0 d\u1ec5 ph\u00e2n hu\u1ef7 sinh h\u1ecdc. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft h\u1ecd \u0111\u00e3 s\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n xenluloza, th\u00e0nh ph\u1ea7n ch\u00ednh trong s\u1ee3i th\u1ef1c v\u1eadt. Ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng h\u1ee3p ch\u1ea5t cacbon, v\u1edbi s\u1eaft th\u00f4ng th\u01b0\u1eddng cung c\u1ea5p c\u00e1c \u0111i\u1ec7n c\u1ef1c.<\/p>\n

Nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed Proceedings of the National Academy of Sciences, c\u00e1c nh\u00e0 khoa h\u1ecdc n\u00f3i r\u1eb1ng: s\u1eed d\u1ee5ng ch\u1ea5t n\u1ec1n ph\u00e2n hu\u1ef7 sinh h\u1ecdc si\u00eau m\u1ecfng, ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng c\u00e1c b\u00f3ng b\u00e1n d\u1eabn polymer v\u00e0 c\u00e1c m\u1ea1ch logic c\u00f3 hi\u1ec7u n\u0103ng cao v\u00e0 si\u00eau nh\u1eb9, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 h\u1ee7y ho\u00e0n to\u00e0n.<\/p>\n

T\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u Ting Lie, k\u1ef9 s\u01b0 h\u00f3a h\u1ecdc t\u1ea1i Stanford cho bi\u1ebft: ch\u1ea5t b\u00e1n d\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t r\u1ebb h\u01a1n c\u00e1c m\u1ea1ch \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng. S\u1ebd ph\u1ea3i m\u1ea5t t\u1eeb 3 \u0111\u1ebfn 5 n\u0103m \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 \u0111\u1ee7 \u0111\u1ec3 tr\u1edf n\u00ean th\u01b0\u01a1ng m\u1ea1i h\u1eefu \u00edch trong c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 Internet \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t cao, chi ph\u00ed s\u1ea3n xu\u1ea5t th\u1ea5p v\u00e0 s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn. V\u1eadt li\u1ec7u c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y.<\/p>\n

Ch\u1ea5t th\u1ea3i \u0111i\u1ec7n t\u1eed l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1edbn tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Theo \u01b0\u1edbc t\u00ednh c\u1ee7a Li\u00ean hi\u1ec7p qu\u1ed1c, h\u00e0ng ch\u1ee5c tri\u1ec7u t\u1ea5n thi\u1ebft b\u1ecb c\u0169 \u0111\u01b0\u1ee3c th\u1ea3i ra h\u00e0ng n\u0103m, g\u1ed3m nh\u1ef1a v\u00e0 kim lo\u1ea1i n\u1eb7ng nh\u01b0 th\u1ee7y ng\u00e2n v\u00e0 catmi (cadmium), v\u00e0 nh\u1eefng n\u1ed7 l\u1ef1c \u0111\u1ec3 t\u00e1i ch\u1ebf v\u00e0 b\u00e1n l\u1ea1i nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 \u0111\u1ed9c h\u1ea1i. M\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 t\u00ecm ra c\u00e1ch gi\u1ea3m l\u01b0\u1ee3ng r\u00e1c th\u1ea3i \u0111\u00f3, nh\u01b0ng c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong y t\u1ebf nh\u01b0 c\u00e1c c\u1ea3m bi\u1ebfn c\u1ea5y gh\u00e9p, gi\u00fap c\u00e1c b\u00e1c s\u0129 theo d\u00f5i c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a c\u01a1 th\u1ec3 ho\u1eb7c h\u00f3a h\u1ecdc m\u00e0 kh\u00f4ng c\u1ea7n ph\u1eabu thu\u1eadt \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u00fang. Ch\u00fang c\u00f3 th\u1ec3 c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng b\u1ea3o m\u1eadt, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed b\u1ecb tan ra sau khi s\u1eed d\u1ee5ng, “khi\u1ebfn ch\u00fang kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n

Ting Lei cho bi\u1ebft, c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn ph\u00e2n hu\u1ef7 sinh h\u1ecdc c\u00f3 th\u1ec3 c\u00f3 \u1ee9ng d\u1ee5ng trong vi\u1ec7c gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00e0i \u0111\u1eb7t ch\u00fang v\u00e0 nh\u1eadn d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i quay l\u1ea1i \u0111\u1ec3 thu th\u1eadp ch\u00fang.<\/p>\n

(Nasati)<\/em><\/p>\n

Ngu\u1ed3n T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Cu\u1ed9c c\u00e1ch m\u1ea1ng m\u00e1y t\u00ednh \u0111\u00e3 \u0111\u01b0a ki\u1ebfn th\u1ee9c c\u1ee7a th\u1ebf gi\u1edbi v\u00e0o t\u1ea7m tay c\u1ee7a ch\u00fang ta v\u00e0 r\u00e1c \u0111i\u1ec7n t\u1eed ng\u00e0y c\u00e0ng nhi\u1ec1u, g\u00e2y ra nh\u1eefng nguy hi\u1ec3m l\u00e2u d\u00e0i. Nh\u00f3m nghi\u00ean c\u1ee9u bao g\u1ed3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u h\u00f3a h\u1ecdc, k\u1ef9 s\u01b0 v\u00e0 c\u00e1c chuy\u00ean gia v\u1eadt li\u1ec7u t\u1eeb \u0110\u1ea1i h\u1ecdc Stanford, […]<\/p>\n","protected":false},"author":17,"featured_media":6614,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5827","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\/5827","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=5827"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5827\/revisions"}],"predecessor-version":[{"id":6615,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5827\/revisions\/6615"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6614"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}