{"id":7852,"date":"2017-11-27T01:23:55","date_gmt":"2017-11-26T18:23:55","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7852"},"modified":"2017-12-04T08:31:02","modified_gmt":"2017-12-04T01:31:02","slug":"truy-tim-99-rac-nhua-tren-bien-bien-mat-bang-phuong-phap-moi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/truy-tim-99-rac-nhua-tren-bien-bien-mat-bang-phuong-phap-moi\/","title":{"rendered":"Truy t\u00ecm \u201c99% r\u00e1c nh\u1ef1a tr\u00ean bi\u1ec3n bi\u1ebfn m\u1ea5t\u201d b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u1edbi"},"content":{"rendered":"

M\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y \u01b0\u1edbc t\u00ednh r\u1eb1ng 99% r\u00e1c nh\u1ef1a v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y. V\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c “99% microplastic bi\u1ebfn m\u1ea5t\u201d n\u00e0y \u1edf c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

\"\"<\/p>\n

K\u1ef9 thu\u1eadt m\u1edbi cho th\u1ea5y l\u01b0\u1ee3ng c\u00e1c m\u1ea3nh nh\u1ef1a nh\u1ecf trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi suy ngh\u0129 tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n

Microplastics l\u00e0 nh\u1eefng m\u1ea3nh nh\u1ef1a c\u00f3 chi\u1ec1u d\u00e0i d\u01b0\u1edbi 5 milimet. Ch\u00fang ph\u00e1t sinh ch\u1ee7 y\u1ebfu t\u1eeb c\u00e1c v\u1eadt th\u1ec3 b\u1eb1ng nh\u1ef1a l\u1edbn, t\u00edch t\u1ee5 trong \u0111\u1ea1i d\u01b0\u01a1ng v\u00e0 d\u1ea7n d\u1ea7n v\u1ee5n ra th\u00e0nh t\u1eebng mi\u1ebfng nh\u1ecf.<\/p>\n

Nh\u1eefng m\u1ea3nh nh\u1ef1a si\u00eau nh\u1ecf n\u00e0y l\u00e0 lo\u1ea1i \u00f4 nhi\u1ec5m bi\u1ec3n ph\u1ed5 bi\u1ebfn nh\u1ea5t, nh\u01b0ng k\u00edch c\u1ee1 c\u1ee7a ch\u00fang khi\u1ebfn cho h\u1ea7u h\u1ebft trong s\u1ed1 ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn khi c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ed1 g\u1eafng ph\u00e2n t\u00edch m\u1ee9c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a ch\u00fang.<\/p>\n

B\u00e2y gi\u1edd, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i thu\u1ed1c nhu\u1ed9m hu\u1ef3nh quang m\u00e0 li\u00ean k\u1ebft m\u1ed9t c\u00e1ch \u0111\u1eb7c bi\u1ec7t v\u1edbi nh\u1ef1a \u0111\u1ec3 \u0111o \u0111\u1ebfm ch\u00ednh x\u00e1c c\u00e1c m\u1ea3nh nh\u1ef1a nh\u1ecf nh\u1ea5t.<\/p>\n

Nh\u00e0 nghi\u00ean c\u1ee9u Gabriel Erni-Cassola, t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u KH&CN M\u00f4i tr\u01b0\u1eddng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Warwick, cho bi\u1ebft: S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, m\u1ed9t lo\u1ea1t c\u00e1c m\u1eabu l\u1edbn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t v\u00e0 ph\u00e2n t\u00edch r\u1ea5t nhanh, \u0111\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u v\u1ec1 l\u01b0\u1ee3ng microplastic nh\u1ecf trong n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c, m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, trong b\u1ea5t k\u1ef3 m\u1eabu m\u00f4i tr\u01b0\u1eddng n\u00e0o.<\/p>\n

Tr\u01b0\u1edbc \u0111\u00f3, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a microplastic \u0111\u00e3 d\u1ef1a v\u00e0o vi\u1ec7c c\u00e1c nh\u00e0 khoa h\u1ecdc l\u1ea5y ch\u00fang ra kh\u1ecfi c\u00e1c m\u1eabu n\u01b0\u1edbc bi\u1ec3n l\u1ea7n l\u01b0\u1ee3t t\u1eebng m\u1eabu m\u1ed9t.<\/p>\n

B\u1eb1ng c\u00e1ch th\u00eam thu\u1ed1c nhu\u1ed9m v\u00e0o c\u00e1c m\u1eabu, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n c\u00e1c m\u1ea3nh v\u1ee5n d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi trong c\u00e1c m\u1eabu l\u1ea5y t\u1eeb b\u1edd bi\u1ec3n xung quanh Plymouth. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng.<\/p>\n

\u0110\u1ed3ng t\u00e1c gi\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u, TS Joseph Christie-Oleza, c\u0169ng t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Warwick, cho bi\u1ebft: C\u00f3 ph\u1ea3i ch\u00fang t\u00f4i \u0111\u00e3 t\u00ecm th\u1ea5y \u201c99% nh\u1ef1a bi\u1ebfn m\u1ea5t\u201d tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t \u0111\u1ea1i d\u01b0\u01a1ng kh\u00f4ng? R\u00f5 r\u00e0ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra khoa h\u1ecdc trong t\u01b0\u01a1ng lai \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh nh\u1eefng ph\u00e1t hi\u1ec7n ban \u0111\u1ea7u c\u1ee7a ch\u00fang t\u00f4i .<\/p>\n

Nhi\u1ec1u h\u1ea1t \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n c\u00f3 k\u00edch c\u1ee1 kh\u00f4ng l\u1edbn h\u01a1n s\u1ee3i t\u00f3c, nh\u01b0ng ngay c\u1ea3 ch\u00fang c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi nh\u1eefng \u0111\u1ed9ng v\u1eadt nu\u1ed1t v\u00e0o.<\/p>\n

Tr\u1eeb phi d\u00f2ng ch\u1ea3y c\u1ee7a r\u00e1c nh\u1ef1a v\u00e0 \u00f4 nhi\u1ec5m c\u00f4ng nghi\u1ec7p v\u00e0o c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean th\u1ebf gi\u1edbi gi\u1ea3m, n\u1ebfu kh\u00f4ng \u0111\u1eddi s\u1ed1ng bi\u1ec3n s\u1ebd b\u1ecb \u0111\u1ea7u \u0111\u1ed9c trong nhi\u1ec1u th\u1ebf k\u1ef7 t\u1edbi, \u00f4ng David Attenborough n\u00f3i.<\/p>\n

T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn c\u00f2n c\u00f3 nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i c\u1ee7a nh\u1ef1a. Nhi\u1ec1u lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0103n c\u00e1c lo\u1ea1i microplastic nh\u01b0 l\u00e0 th\u1ef1c ph\u1ea9m th\u1eadt, v\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ch\u1ebft \u0111\u00f3i.<\/p>\n

C\u0169ng c\u00f3 th\u1ec3 c\u00e1c h\u00f3a ch\u1ea5t v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m t\u1eeb microplastic b\u1ecb \u0111\u1ed9ng v\u1eadt h\u1ea5p thu khi \u0103n, r\u1ed3i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng c\u01a1 th\u1ec3 ch\u00fang.<\/p>\n

\u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u1ed7 l\u1ef1c \u0111\u1ec3 \u0111o m\u1ee9c ph\u1ed5 bi\u1ebfn v\u1ea5n \u0111\u1ec1 r\u00e1c nh\u1ef1a tr\u1edf n\u00ean quan tr\u1ecdng.<\/p>\n

TS Christie-Oleza n\u00f3i: \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c ch\u1ea5t th\u1ea3i nh\u1ef1a ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c c\u00e1c ch\u00ednh s\u00e1ch trong t\u01b0\u01a1ng lai.<\/p>\n

\u0110\u00e0o Hi\u1ec1n<\/strong>\u00a0(Theo Independent)<\/i><\/p>\n

(D\u00e2n tr\u00ed)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y \u01b0\u1edbc t\u00ednh r\u1eb1ng 99% r\u00e1c nh\u1ef1a v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y. V\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c “99% microplastic bi\u1ebfn m\u1ea5t\u201d n\u00e0y \u1edf c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean th\u1ebf gi\u1edbi. K\u1ef9 thu\u1eadt m\u1edbi cho th\u1ea5y l\u01b0\u1ee3ng c\u00e1c […]<\/p>\n","protected":false},"author":18,"featured_media":7860,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7852","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\/7852","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=7852"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7852\/revisions"}],"predecessor-version":[{"id":7862,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7852\/revisions\/7862"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/7860"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}