{"id":4779,"date":"2016-02-23T16:31:45","date_gmt":"2016-02-23T09:31:45","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4779"},"modified":"2017-10-02T11:43:51","modified_gmt":"2017-10-02T04:43:51","slug":"hat-nano-vang-phat-no-co-the-tieu-diet-tan-goc-te-bao-ung-thu","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/hat-nano-vang-phat-no-co-the-tieu-diet-tan-goc-te-bao-ung-thu\/","title":{"rendered":"H\u1ea1t nano v\u00e0ng ph\u00e1t n\u1ed5 c\u00f3 th\u1ec3 ti\u00eau di\u1ec7t t\u1eadn g\u1ed1c t\u1ebf b\u00e0o ung th\u01b0"},"content":{"rendered":"<p><strong>C\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 nh\u1eadn th\u1ea5y h\u1ea1t nano v\u00e0ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ti\u00eau di\u1ec7t t\u1ebf b\u00e0o ung th\u01b0 s\u00f3t l\u1ea1i sau ph\u1eabu thu\u1eadt c\u1eaft b\u1ecf kh\u1ed1i u, \u0111\u01b0a t\u1ef7 l\u1ec7 ch\u1eefa kh\u1ecfi b\u1ec7nh ung th\u01b0 l\u00ean 100%.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5310\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2016\/02\/23022016213929-hongquyenHat_Nano_vang_23_02_2016.jpg\" alt=\"\" width=\"452\" height=\"300\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2016\/02\/23022016213929-hongquyenHat_Nano_vang_23_02_2016.jpg 452w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2016\/02\/23022016213929-hongquyenHat_Nano_vang_23_02_2016-300x199.jpg 300w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><\/p>\n<p style=\"text-align: center;\">C\u00e1c h\u1ea1t nano v\u00e0ng b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t t\u1ebf b\u00e0o ung th\u01b0. \u1ea2nh: <em>D. S. Wagner.<\/em><\/p>\n<p>Khi b\u00e1c s\u0129 th\u1ef1c hi\u1ec7n ph\u1eabu thu\u1eadt tr\u00ean b\u1ec7nh nh\u00e2n ung th\u01b0, h\u1ecd s\u1ebd c\u1ed1 g\u1eafng h\u1ebft s\u1ee9c \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c t\u1ebf b\u00e0o ung th\u01b0, b\u1edfi v\u00ec b\u1ea5t k\u1ef3 t\u1ebf b\u00e0o ung th\u01b0 n\u00e0o c\u00f2n s\u00f3t l\u1ea1i \u0111\u1ec1u c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh kh\u1ed1i u m\u1edbi ho\u1eb7c di c\u0103n kh\u1eafp c\u01a1 th\u1ec3, theo <em>Science<\/em>.<\/p>\n<p>Sau ph\u1eabu thu\u1eadt, b\u1ec7nh nh\u00e2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb b\u1eb1ng x\u1ea1 tr\u1ecb ho\u1eb7c h\u00f3a tr\u1ecb li\u1ec7u \u0111\u1ec3 t\u0103ng c\u01a1 h\u1ed9i lo\u1ea1i b\u1ecf t\u1ebf b\u00e0o ung th\u01b0 c\u00f2n s\u00f3t l\u1ea1i. Nh\u01b0ng c\u00e1ch \u0111i\u1ec1u tr\u1ecb n\u00e0y kh\u00f4ng ch\u1ec9 ti\u00eau di\u1ec7t t\u1ebf b\u00e0o ung th\u01b0 m\u00e0 c\u00f2n g\u00e2y t\u1ed5n h\u1ea1i \u0111\u1ebfn nh\u1eefng t\u1ebf b\u00e0o kh\u1ecfe m\u1ea1nh, l\u00e0m suy gi\u1ea3m s\u1ee9c kh\u1ecfe b\u1ec7nh nh\u00e2n.<\/p>\n<p>Trong nghi\u00ean c\u1ee9u c\u00f4ng b\u1ed1 h\u00f4m 15\/2 tr\u00ean t\u1ea1p ch\u00ed Nature Nanotechnology, nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Rice, M\u1ef9, \u0111\u00e3 ch\u1ee9ng minh h\u1ea1t nano v\u00e0ng c\u00f3 th\u1ec3 ti\u00eau di\u1ec7t t\u1ebf b\u00e0o ung th\u01b0 s\u00f3t l\u1ea1i sau ph\u1eabu thu\u1eadt.<\/p>\n<p>Kh\u1ed1i u ung th\u01b0 th\u01b0\u1eddng c\u00f3 c\u00e1c m\u1ea1ch m\u00e1u r\u00f2 r\u1ec9. Khi h\u1ea1t nano v\u00e0ng \u0111\u01b0\u1ee3c ti\u00eam v\u00e0o m\u1ea1ch m\u00e1u, ch\u00fang c\u00f3 xu h\u01b0\u1edbng th\u1ea5m qua c\u00e1c l\u1ed7 m\u1ea1ch r\u00f2 r\u1ec9 n\u00e0y v\u00e0 t\u1ee5 xung quanh kh\u1ed1i u. Nh\u1eefng t\u1ebf b\u00e0o ung th\u01b0 khi ph\u00e1t tri\u1ec3n th\u01b0\u1eddng &#8220;nu\u1ed1t&#8221; c\u00e1c h\u1ea1t nano. Sau khi l\u1ecdt v\u00e0o b\u00ean trong t\u1ebf b\u00e0o ung th\u01b0, c\u00e1c h\u1ea1t nano n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 con ng\u1ef1a th\u00e0nh Troy. Khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho c\u00e1c nguy\u00ean t\u1eed v\u00e0ng t\u01b0\u01a1ng t\u00e1c v\u1edbi \u00e1nh s\u00e1ng laser h\u1ed3ng ngo\u1ea1i, m\u1ed9t lo\u1ea1i s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 \u0111i xuy\u00ean qua c\u00e1c m\u00f4, h\u1ea1t nano s\u1ebd b\u1ecb n\u00f3ng l\u00ean v\u00e0 \u0111\u1ed1t ch\u00e1y c\u00e1c t\u1ebf b\u00e0o ung th\u01b0.<\/p>\n<p>Tuy nhi\u00ean, c\u00e1ch l\u00e0m n\u00e0y c\u00f3 hai v\u1ea5n \u0111\u1ec1. \u0110\u1ea7u ti\u00ean, m\u1ed9t s\u1ed1 h\u1ea1t nano v\u00e0ng c\u00f3 th\u1ec3 b\u00e1m v\u00e0o t\u1ebf b\u00e0o b\u00ecnh th\u01b0\u1eddng, do \u0111\u00f3, qu\u00e1 tr\u00ecnh \u0111\u1ed1t nhi\u1ec7t b\u1eb1ng laser c\u00f3 th\u1ec3 l\u00e0m h\u01b0 h\u1ea1i c\u1ea3 m\u00f4 kh\u1ecfe m\u1ea1nh. \u0110\u1ed3ng th\u1eddi, tia laser d\u00f9ng \u0111\u1ec3 \u0111\u1ed1t n\u00f3ng h\u1ea1t nano v\u00e0ng s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i li\u00ean t\u1ee5c. \u0110i\u1ec1u n\u00e0y khi\u1ebfn nhi\u1ec7t t\u1eeb \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i lan truy\u1ec1n qua t\u1ebf b\u00e0o ung th\u01b0 t\u1edbi c\u1ea3 c\u00e1c m\u00f4 b\u00ecnh th\u01b0\u1eddng. Trong tr\u01b0\u1eddng h\u1ee3p kh\u1ed1i u ph\u00e1t tri\u1ec3n \u1edf khu v\u1ef1c quan tr\u1ecdng nh\u01b0 g\u1ea7n d\u00e2y th\u1ea7n kinh ho\u1eb7c \u0111\u1ed9ng m\u1ea1ch, m\u1ecdi \u1ea3nh h\u01b0\u1edfng l\u00ean m\u00f4 kh\u1ecfe m\u1ea1nh \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn t\u1edbi suy nh\u01b0\u1ee3c c\u01a1 th\u1ec3.<\/p>\n<p>\u0110\u1ec3 khoanh v\u00f9ng khu v\u1ef1c \u0111i\u1ec1u tr\u1ecb ch\u00ednh x\u00e1c h\u01a1n, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Rice v\u00e0 c\u00f4ng ty c\u00f4ng ngh\u1ec7 y t\u1ebf Masimo Corporation \u0111\u00e3 t\u00ecm c\u00e1ch thay \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn h\u1ea1t nano. Theo Dmitri Lapotko, m\u1ed9t th\u00e0nh vi\u00ean trong nh\u00f3m nghi\u00ean c\u1ee9u, h\u1ecd b\u1eaft \u0111\u1ea7u th\u00ed nghi\u1ec7m v\u1edbi nh\u1eefng con chu\u1ed9t b\u1ecb ung th\u01b0 bi\u1ec3u m\u00f4 t\u1ebf b\u00e0o v\u1ea3y.<\/p>\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u g\u1eafn h\u1ea1t nano v\u00e0ng v\u00e0o c\u00e1c kh\u00e1ng th\u1ec3 protein mi\u1ec5n d\u1ecbch. Kh\u00e1ng th\u1ec3 protein s\u1ebd ti\u1ebfp x\u00fac v\u1edbi th\u1ee5 th\u1ec3 tr\u00ean b\u1ec1 m\u1eb7t t\u1ebf b\u00e0o v\u1ea3y, cho ph\u00e9p h\u1ea1t nano v\u00e0ng b\u00e1m v\u00e0o xung quanh c\u00e1c t\u1ebf b\u00e0o ung th\u01b0 m\u1ed9t c\u00e1nh nhanh ch\u00f3ng. Khi \u0111\u00f3, thay v\u00ec \u0111\u1ed1t n\u00f3ng li\u00ean t\u1ee5c b\u1eb1ng tia laser, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ec9 c\u1ea7n d\u00f9ng tia laser d\u1ea1ng xung si\u00eau ng\u1eafn \u0111\u1ec3 \u0111\u1ed1t n\u00f3ng t\u1ebf b\u00e0o ung th\u01b0. Laser h\u1ed3ng ngo\u1ea1i xung si\u00eau ng\u1eafn c\u00f3 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p, kh\u00f4ng g\u00e2y h\u1ea1i cho c\u00e1c t\u1ebf b\u00e0o kh\u1ecfe m\u1ea1nh.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ng\u0103n c\u1ea3n s\u1ee9c n\u00f3ng lan sang c\u00e1c m\u00f4 kh\u1ecfe xung quanh t\u1ebf b\u00e0o ung th\u01b0, \u0111\u1ed3ng th\u1eddi sinh ra nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n \u1edf n\u01a1i c\u00f3 h\u1ea1t nano v\u00e0ng t\u1eadp trung th\u00e0nh c\u1ee5m l\u1edbn. Nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m b\u1ed1c h\u01a1i c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc g\u1ea7n \u0111\u00f3, t\u1ea1o ra bong b\u00f3ng si\u00eau nh\u1ecf. Nh\u1eefng bong b\u00f3ng n\u00e0y nhanh ch\u00f3ng lan r\u1ed9ng v\u00e0 n\u1ed5 tung, ph\u00e1 v\u1ee1 c\u00e1c t\u1ebf b\u00e0o ung th\u01b0. Theo Lapotko, \u0111i\u1ec3m m\u1ea5u ch\u1ed1t l\u00e0 c\u00e1c c\u1ee5m h\u1ea1t nano v\u00e0ng t\u1ea1o ra bong b\u00f3ng si\u00eau nh\u1ecf trong c\u00e1c t\u1ebf b\u00e0o ung th\u01b0 m\u00e0 kh\u00f4ng ph\u1ea3i t\u1ebf b\u00e0o th\u01b0\u1eddng.<\/p>\n<p>Hi\u1ec7n nay, k\u1ef9 thu\u1eadt n\u00e0y m\u1edbi \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m tr\u00ean chu\u1ed9t nh\u01b0ng c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 l\u00ean ph\u01b0\u01a1ng \u00e1n th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng trong hai n\u0103m t\u1edbi. N\u1ebfu th\u00e0nh c\u00f4ng, k\u1ef9 thu\u1eadt s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ef7 l\u1ec7 ch\u1eefa kh\u1ecfi ung th\u01b0 cho b\u1ec7nh nh\u00e2n, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 ph\u1eabu thu\u1eadt c\u1eaft b\u1ecf to\u00e0n b\u1ed9 kh\u1ed1i u.<\/p>\n<p><strong>Thanh T\u00f9ng<\/strong><\/p>\n<p style=\"text-align: right;\"><em>Thanh T\u00f9ng<\/em><br \/>\n<em> http:\/\/vnexpress.net<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 nh\u1eadn th\u1ea5y h\u1ea1t nano v\u00e0ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ti\u00eau di\u1ec7t t\u1ebf b\u00e0o ung th\u01b0 s\u00f3t l\u1ea1i sau ph\u1eabu thu\u1eadt c\u1eaft b\u1ecf kh\u1ed1i u, \u0111\u01b0a t\u1ef7 l\u1ec7 ch\u1eefa kh\u1ecfi b\u1ec7nh ung th\u01b0 l\u00ean 100%. C\u00e1c h\u1ea1t nano v\u00e0ng b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t t\u1ebf b\u00e0o ung th\u01b0. \u1ea2nh: D. S. [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":5310,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4779","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\/4779","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=4779"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4779\/revisions"}],"predecessor-version":[{"id":5311,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4779\/revisions\/5311"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/5310"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}