{"id":7753,"date":"2017-10-16T00:19:02","date_gmt":"2017-10-15T17:19:02","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7753"},"modified":"2017-12-04T00:19:32","modified_gmt":"2017-12-03T17:19:32","slug":"nao-ca-co-the-bi-anh-huong-khi-tiep-xuc-voi-cac-hat-nho-xiu-tu-chat-thai-nhua","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nao-ca-co-the-bi-anh-huong-khi-tiep-xuc-voi-cac-hat-nho-xiu-tu-chat-thai-nhua\/","title":{"rendered":"N\u00e3o c\u00e1 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c h\u1ea1t nh\u1ecf x\u00edu t\u1eeb ch\u1ea5t th\u1ea3i nh\u1ef1a"},"content":{"rendered":"

\"alt\"<\/p>\n

M\u1ed7i n\u0103m, \u01b0\u1edbc t\u00ednh c\u00f3 kho\u1ea3ng 8 tri\u1ec7u t\u1ea5n ch\u1ea5t th\u1ea3i nh\u1ef1a \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng, n\u00f3 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc. M\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Lund \u1edf Th\u1ee5y \u0110i\u1ec3n cho th\u1ea5y, c\u00e1c h\u1ea1t nh\u1ef1a nh\u1ecf c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong n\u00e3o c\u00e1 v\u00e0 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 h\u00e0nh vi tr\u1ea7m tr\u1ecdng. M\u1eb7c d\u00f9 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u r\u1ea5t th\u1eadn tr\u1ecdng v\u1ec1 vi\u1ec7c b\u00ecnh lu\u1eadn v\u1ec1 n\u00f3, th\u00ec c\u00f3 kh\u1ea3 n\u0103ng nh\u1eefng ch\u1ea5t d\u1ebbo n\u00e0y c\u00f3 th\u1ec3 l\u00e2y truy\u1ec1n qua ng\u01b0\u1eddi th\u00f4ng qua ti\u00eau d\u00f9ng.<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 xem x\u00e9t \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c h\u1ea1t nh\u1ef1a nh\u1ecf, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c h\u1ea1t nh\u1ef1a nano, tr\u00ean c\u00e1. TS Tommy Cedervall, t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u, cho bi\u1ebft: Nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea7u ti\u00ean ch\u1ee9ng minh r\u1eb1ng c\u00e1c h\u1ea1t nh\u1ef1a c\u00f3 k\u00edch th\u01b0\u1edbc nano c\u00f3 th\u1ec3 t\u00edch t\u1ee5 trong n\u00e3o c\u00e1. V\u00e0 nh\u1eefng h\u1ea1t nh\u1ef1a nano \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n th\u00f4ng qua c\u00e1c sinh v\u1eadt kh\u00e1c nhau trong h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc. C\u00e1c h\u1ea1t nh\u1ef1a nano c\u00f3 trong n\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ed9ng v\u1eadt ph\u00f9 du \u0103n, v\u00ec v\u1eady m\u00e0 c\u00e1 c\u0169ng th\u1ec3 \u0103n. Nghi\u00ean c\u1ee9u \u0111\u00e3 mang l\u1ea1i nh\u1eefng k\u1ebft qu\u1ea3 th\u00fa v\u1ecb v\u1ec1 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau c\u1ee7a nh\u1ef1a c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c sinh v\u1eadt th\u1ee7y sinh.<\/p>\n

M\u1ed9t trong nh\u1eefng ph\u00e1t hi\u1ec7n ch\u00ednh l\u00e0 c\u00e1c h\u1ea1t nh\u1ef1a nano c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua h\u00e0ng r\u00e0o m\u00e1u n\u00e3o v\u00e0 t\u00edch t\u1ee5 b\u00ean trong m\u00f4 n\u00e3o c\u1ee7a c\u00e1. S\u1ef1 gia t\u0103ng ch\u1ea5t d\u1ebbo n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c r\u1ed1i lo\u1ea1n h\u00e0nh vi \u1edf c\u00e1, khi\u1ebfn ch\u00fang \u0103n ch\u1eadm h\u01a1n v\u00e0 kh\u00e1m ph\u00e1 m\u00f4i tr\u01b0\u1eddng xung quanh \u00edt h\u01a1n. Trong khi nh\u1eefng h\u1ea1t nh\u1ef1a l\u1edbn kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh v\u1eadt ph\u00f9 du, ch\u00fang s\u1ebd ch\u1ebft khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc nano.<\/p>\n

TS Tommy Cedervall n\u00f3i th\u00eam: “\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i nghi\u00ean c\u1ee9u xem nh\u1ef1a \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn h\u1ec7 sinh th\u00e1i v\u00e0 c\u00e1c h\u1ea1t nh\u1ef1a nano c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng nguy hi\u1ec3m h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc so v\u1edbi nh\u1eefng m\u1ea3nh nh\u1ef1a l\u1edbn”.<\/p>\n

Theo b\u00e1o c\u00e1o \u0111\u0103ng tr\u00ean t\u1ea1p ch\u00ed Science, h\u01a1n m\u1ed9t n\u1eeda ch\u1ea5t th\u1ea3i nh\u1ef1a ch\u1ea3y v\u00e0o c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t s\u1ed1 qu\u1ed1c gia, trong \u0111\u00f3 c\u00f3 Trung Qu\u1ed1c, In\u0111\u00f4n\u00eaxia, Philipin v\u00e0 Sri Lanka. Trong khi Trung Qu\u1ed1c c\u00f3 2,4 tri\u1ec7u t\u1ea5n ch\u1ea5t d\u1ebbo x\u00e2m nh\u1eadp v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng, g\u1ea7n 28% trong t\u1ed5ng s\u1ed1 tr\u00ean th\u1ebf gi\u1edbi, Hoa K\u1ef3 ch\u1ec9 \u0111\u00f3ng g\u00f3p 77.000 t\u1ea5n, \u00edt h\u01a1n 1%.<\/p>\n

(Vista)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed7i n\u0103m, \u01b0\u1edbc t\u00ednh c\u00f3 kho\u1ea3ng 8 tri\u1ec7u t\u1ea5n ch\u1ea5t th\u1ea3i nh\u1ef1a \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng, n\u00f3 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc. M\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Lund \u1edf Th\u1ee5y \u0110i\u1ec3n cho th\u1ea5y, c\u00e1c h\u1ea1t nh\u1ef1a nh\u1ecf c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7753","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7753","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7753"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7753\/revisions"}],"predecessor-version":[{"id":7754,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7753\/revisions\/7754"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}