{"id":28492,"date":"2019-06-25T10:14:00","date_gmt":"2019-06-25T03:14:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28492"},"modified":"2021-10-03T17:15:05","modified_gmt":"2021-10-03T10:15:05","slug":"mang-boc-nano-moi-co-the-thay-the-mang-kim-loai-khong-the-tai-che-trong-dong-goi-thuc-pham","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mang-boc-nano-moi-co-the-thay-the-mang-kim-loai-khong-the-tai-che-trong-dong-goi-thuc-pham\/","title":{"rendered":"M\u00e0ng b\u1ecdc nano m\u1edbi c\u00f3 th\u1ec3 thay th\u1ebf m\u00e0ng kim lo\u1ea1i kh\u00f4ng th\u1ec3 t\u00e1i ch\u1ebf trong \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m"},"content":{"rendered":"\n<p>M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Oxford (Anh) \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t lo\u1ea1i m\u00e0ng b\u1ecdc nano m\u1edbi, ti\u1ec1m n\u0103ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng ngh\u1ec7 bao b\u00ec th\u1ef1c ph\u1ea9m \u0111\u1ec3 thay th\u1ebf c\u00e1c m\u00e0ng b\u1ecdc kim lo\u1ea1i m\u1ecfng hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Trong b\u00e0i b\u00e1o \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i tr\u00ean t\u1ea1p ch\u00ed&nbsp;<em>Nature Communications<\/em>, nh\u00f3m \u0111\u00e3 m\u00f4 t\u1ea3 quy tr\u00ecnh ch\u1ebf t\u1ea1o v\u00e0 hy v\u1ecdng v\u1eadt li\u1ec7u m\u1edbi c\u1ee7a h\u1ecd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng ho\u1eb7c t\u00e1i ch\u1ebf \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 chi ph\u00ed cao h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_6\/24-6-2019\/9.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>M\u00e0ng b\u1ecdc c\u00f3 b\u1ec1 m\u1eb7t b\u00f3ng v\u00e0 s\u00e1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m \u0111\u00f3ng g\u00f3i, th\u01b0\u1eddng th\u1ea5y nh\u1ea5t l\u00e0 \u1edf s\u1ea3n ph\u1ea9m d\u1ea1ng t\u00fai \u0111\u1ef1ng khoai t\u00e2y chi\u00ean hay k\u1eb9o d\u1ea1ng thanh. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf, ki\u1ec3u m\u00e0ng b\u1ecdc n\u00e0y khi s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p bao b\u00ec th\u01b0\u1eddng r\u1ea5t kh\u00f3 t\u00e1i ch\u1ebf v\u00ec khi \u0111\u00f3 c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n thao t\u00e1c lo\u1ea1i b\u1ecf l\u1edbp m\u00e0ng kim lo\u1ea1i ra kh\u1ecfi m\u00e0ng nh\u1ef1a. Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf tr\u00ean, nh\u00f3m nghi\u00ean c\u1ee9u \u0110\u1ea1i h\u1ecdc Oxford \u0111\u00e3 t\u00ecm ra gi\u1ea3i ph\u00e1p m\u00e0ng b\u1ecdc th\u1ef1c ph\u1ea9m m\u1edbi thay th\u1ebf cho m\u00e0ng kim lo\u1ea1i v\u1edbi ti\u1ec1m n\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf ho\u00e0n to\u00e0n v\u00e0 d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft quy tr\u00ecnh \u0111\u1ec3 ch\u1ebf t\u1ea1o l\u1edbp m\u00e0ng b\u1ecdc nano kh\u00f4ng t\u1ed1n nhi\u1ec1u chi ph\u00ed. M\u00e0ng c\u00f3 c\u1ea5u t\u1ea1o g\u1ed3m c\u00e1c m\u00e0ng m\u1ecfng ch\u1ee9a hai th\u00e0nh ph\u1ea7n l\u00e0 n\u01b0\u1edbc v\u00e0 axit amin. C\u1ee5 th\u1ec3, ban \u0111\u1ea7u, nh\u00f3m \u0111\u00e3 t\u1ea1o ra m\u1ed9t l\u1edbp nano t\u1eeb \u0111\u1ea5t s\u00e9t t\u1ed5ng h\u1ee3p kh\u00f4ng \u0111\u1ed9c h\u1ea1i. C\u00e1c l\u1edbp nano n\u00e0y \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1edfi s\u1ef1 li\u00ean k\u1ebft c\u1ee7a c\u00e1c axit amin, h\u00ecnh th\u00e0nh n\u00ean m\u00e0ng trong su\u1ed1t, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f3 t\u00ednh th\u1ea5u&nbsp;kh\u00ed&nbsp;v\u00e0 th\u1ea5u \u1ea9m th\u1ea5p, ngh\u0129a l\u00e0 c\u00e1c m\u00e0ng n\u00e0y kh\u00f4ng cho ph\u00e9p kh\u00ed ho\u1eb7c h\u01a1i n\u01b0\u1edbc \u0111i xuy\u00ean qua. Tr\u00ean th\u1ef1c t\u1ebf, m\u00e0ng s\u1ebd \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t lo\u1ea1i nh\u1ef1a d\u1ebbo polyetylen terephthalate v\u1ed1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 l\u00e0m c\u00e1c lo\u1ea1i bao b\u00ec, hay v\u1ecf chai n\u01b0\u1edbc kho\u00e1ng.<\/p>\n\n\n\n<p>Ti\u1ebfp theo, c\u00e1c chuy\u00ean gia \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t th\u1eed nghi\u1ec7m, trong \u0111\u00f3, h\u1ecd cho l\u1edbp m\u00e0ng m\u1edbi ti\u1ebfp x\u00fac v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i kh\u00ed b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m \u1ee9ng d\u1ee5ng nhi\u1ec1u trong c\u00f4ng ngh\u1ec7 \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m hi\u1ec7n nay v\u00e0 k\u1ebft qu\u1ea3 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 th\u1ea9m th\u1ea5u c\u1ee7a m\u00e0ng th\u1ea5p h\u01a1n kho\u1ea3ng 50%. Sau khi th\u1ef1c hi\u1ec7n th\u00eam m\u1ed9t s\u1ed1 b\u00e0i ki\u1ec3m tra v\u1ec1 \u0111\u1ed9 b\u1ec1n, d\u1ebbo dai c\u1ee7a m\u00e0ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o n\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 va ch\u1ea1m, k\u00e9o, \u0111\u1ea9y trong quy tr\u00ecnh \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m, c\u00e1c chuy\u00ean gia \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u m\u1edbi c\u0169ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi lo\u1ea1i m\u00e0ng b\u1ecdc m\u1ea1 kim lo\u1ea1i hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng l\u01b0u \u00fd r\u1eb1ng do l\u1edbp m\u00e0ng nano \u0111\u01b0\u1ee3c t\u1ea1o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p, n\u00ean th\u00e0nh ph\u1ea7n v\u00e0 c\u1ea5u tr\u00fac cu\u1ed1i c\u00f9ng c\u1ee7a n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng l\u00e0m gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u00f3ng g\u00f3i bao b\u00ec c\u1ee7a m\u1ed7i c\u00f4ng ty. Tuy nhi\u00ean, h\u1ecd cho bi\u1ebft trong t\u01b0\u01a1ng lai s\u1ebd c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh nhi\u1ec1u th\u1eed nghi\u1ec7m h\u01a1n n\u1eefa tr\u01b0\u1edbc khi \u0111\u01b0a c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0o s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Oxford (Anh) \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t lo\u1ea1i m\u00e0ng b\u1ecdc nano m\u1edbi, ti\u1ec1m n\u0103ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng ngh\u1ec7 bao b\u00ec th\u1ef1c ph\u1ea9m \u0111\u1ec3 thay th\u1ebf c\u00e1c m\u00e0ng b\u1ecdc kim lo\u1ea1i m\u1ecfng hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Trong b\u00e0i b\u00e1o \u0111\u01b0\u1ee3c [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28492","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\/28492","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28492"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28492\/revisions"}],"predecessor-version":[{"id":28493,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28492\/revisions\/28493"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}