{"id":35287,"date":"2024-08-01T08:39:56","date_gmt":"2024-08-01T01:39:56","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=35287"},"modified":"2024-08-01T08:40:10","modified_gmt":"2024-08-01T01:40:10","slug":"phuong-phap-moi-phan-huy-hoa-chat-vinh-cuu-doc-hai-chi-sau-mot-dem","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phuong-phap-moi-phan-huy-hoa-chat-vinh-cuu-doc-hai-chi-sau-mot-dem\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p m\u1edbi ph\u00e2n h\u1ee7y h\u00f3a ch\u1ea5t v\u0129nh c\u1eedu \u0111\u1ed9c h\u1ea1i ch\u1ec9 sau m\u1ed9t \u0111\u00eam"},"content":{"rendered":"\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc Nh\u1eadt B\u1ea3n \u0111\u00e3 ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 ph\u00e2n h\u1ee7y nhanh ch\u00f3ng c\u00e1c &#8220;h\u00f3a ch\u1ea5t v\u0129nh c\u1eedu&#8221; \u0111\u1ed9c h\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. K\u1ef9 thu\u1eadt n\u00e0y ph\u00e2n h\u1ee7y 100% m\u1ed9t s\u1ed1 lo\u1ea1i ch\u1ea5t \u00f4 nhi\u1ec5m n\u00e0y ch\u1ec9 sau m\u1ed9t \u0111\u00eam, thu h\u1ed3i m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n h\u1eefu \u00edch \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>C\u00e1c ch\u1ea5t per- v\u00e0 polyfluoroalkyl (PFAS) l\u00e0 nh\u00f3m h\u00f3a ch\u1ea5t r\u1ed9ng c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u00f9ng kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc v\u00e0 nhi\u1ec7t tuy\u1ec7t v\u1eddi, ch\u1ee7 y\u1ebfu l\u00e0 nh\u1edd c\u00e1c li\u00ean k\u1ebft carbon-flo m\u1ea1nh c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang ho\u00e0n h\u1ea3o cho m\u1ecdi th\u1ee9, t\u1eeb \u0111\u1ed3 n\u1ea5u n\u01b0\u1edbng ch\u1ed1ng d\u00ednh \u0111\u1ebfn b\u1ecdt ch\u1eefa ch\u00e1y v\u00e0 qu\u1ea7n \u00e1o ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc.<\/p>\n\n\n\n<p>Nh\u01b0ng nh\u1eefng li\u00ean k\u1ebft si\u00eau b\u1ec1n \u0111\u00f3 c\u0169ng c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00ec ch\u00fang kh\u00f4ng b\u1ecb ph\u00e1 v\u1ee1, h\u00f3a ch\u1ea5t c\u00f3 xu h\u01b0\u1edbng t\u1ed3n t\u1ea1i trong m\u00f4i tr\u01b0\u1eddng v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u00e3i m\u00e3i. T\u1ec7 h\u01a1n n\u1eefa, khi ch\u00fang t\u00edch t\u1ee5 trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi, ch\u00fang g\u00e2y n\u00ean c\u00e1c c\u0103n b\u1ec7nh nh\u01b0 ti\u1ec3u \u0111\u01b0\u1eddng, v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng sinh s\u1ea3n, nhi\u1ec1u lo\u1ea1i ung th\u01b0, r\u1ed1i lo\u1ea1n h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch v\u00e0 nhi\u1ec1u t\u00ecnh tr\u1ea1ng s\u1ee9c kh\u1ecfe kh\u00e1c.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/vietq.vn\/Images\/hongvan\/2024\/07\/31\/Untitled.png\" alt=\"\" title=\"\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><em>C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t tri\u1ec3n ph\u1ea3n \u1ee9ng m\u1edbi c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y 100% h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i t\u1ed3n t\u1ea1i m\u00e3i m\u00e3i ch\u1ec9 trong v\u00e0i gi\u1edd.<\/em><\/p>\n\n\n\n<p>Hi\u1ec7n nay, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Ritsumeikan \u1edf Nh\u1eadt B\u1ea3n \u0111\u00e3 ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 ph\u00e2n h\u1ee7y PFAS. C\u00e1c tinh th\u1ec3 nano b\u00e1n d\u1eabn c\u1ee7a cadmium sulfide (CdS), m\u1ed9t s\u1ed1 trong \u0111\u00f3 \u0111\u01b0\u1ee3c pha t\u1ea1p \u0111\u1ed3ng &#8211; l\u00e0 th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh trong dung d\u1ecbch c\u0169ng ch\u1ee9a n\u01b0\u1edbc, m\u1ed9t h\u1ee3p ch\u1ea5t g\u1ecdi l\u00e0 triethanolamine (TEOA) v\u00e0 t\u1ea5t nhi\u00ean l\u00e0 c\u00e1c h\u00f3a ch\u1ea5t PFAS \u0111ang ch\u1edd \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/p>\n\n\n\n<p>Khi dung d\u1ecbch \u0111\u01b0\u1ee3c chi\u1ebfu \u0111\u00e8n LED \u1edf b\u01b0\u1edbc s\u00f3ng 405 nm, c\u00e1c tinh th\u1ec3 nano tr\u1edf n\u00ean k\u00edch th\u00edch v\u00e0 khi\u1ebfn c\u00e1c ph\u00e2n t\u1eed PFAS b\u00e1m v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang. \u0110\u1ed3ng th\u1eddi, c\u00e1c electron \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 k\u00edch th\u00edch trong dung d\u1ecbch, cho \u0111\u1ebfn khi ch\u00fang lo\u1ea1i b\u1ecf c\u00e1c ion flo kh\u1ecfi ph\u00e2n t\u1eed PFAS, ph\u00e1 v\u1ee1 li\u00ean k\u1ebft ch\u1eafc ch\u1eafn \u0111\u00f3.<\/p>\n\n\n\n<p>Trong c\u00e1c th\u1eed nghi\u1ec7m, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 ph\u00e2n h\u1ee7y th\u00e0nh c\u00f4ng 100% m\u1ed9t lo\u1ea1i PFAS c\u1ee5 th\u1ec3, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 perfluorooctanesulfonate, ch\u1ec9 trong t\u00e1m gi\u1edd. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Nafion \u0111\u00e3 ph\u00e2n h\u1ee7y 81% trong 24 gi\u1edd. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf nhi\u1ec7t \u0111\u1ed9 ch\u1ec9 38 \u00b0C (100 \u00b0F) m\u00e1t h\u01a1n nhi\u1ec1u so v\u1edbi nhi\u1ec7t \u0111\u1ed9 400 \u00b0C (752 \u00b0F) th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. K\u1ef9 thu\u1eadt n\u00e0y c\u0169ng thu h\u1ed3i c\u00e1c ion flo, cho ph\u00e9p ch\u00fang \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n\n\n\n<p>K\u1ef9 thu\u1eadt n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c s\u1eed d\u1ee5ng ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ec3 ph\u00e2n h\u1ee7y c\u00e1c ph\u00e2n t\u1eed PFAS, nh\u01b0ng th\u01b0\u1eddng c\u1ea7n \u0111\u1ebfn tia UV v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. C\u00e1c nh\u00f3m kh\u00e1c \u0111\u00e3 th\u00e0nh c\u00f4ng v\u1edbi ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng t\u1ef1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng n\u01b0\u1edbc si\u00eau t\u1edbi h\u1ea1n, h\u1ea1t t\u1eeb t\u00ednh, hydro ho\u1eb7c bo nitrua. Cu\u1ed1i c\u00f9ng, vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c l\u1ef1a ch\u1ecdn \u0111\u1ec3 ph\u00e2n h\u1ee7y PFAS c\u00f3 th\u1ec3 l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>H\u00e0 My<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-right\">https:\/\/vietq.vn\/phuong-phap-moi-phan-huy-cac-hoa-chat-vinh-cuu-doc-hai-chi-sau-mot-dem-d223836.html<strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 khoa h\u1ecdc Nh\u1eadt B\u1ea3n \u0111\u00e3 ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 ph\u00e2n h\u1ee7y nhanh ch\u00f3ng c\u00e1c &#8220;h\u00f3a ch\u1ea5t v\u0129nh c\u1eedu&#8221; \u0111\u1ed9c h\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. K\u1ef9 thu\u1eadt n\u00e0y ph\u00e2n h\u1ee7y 100% m\u1ed9t s\u1ed1 lo\u1ea1i ch\u1ea5t \u00f4 nhi\u1ec5m n\u00e0y ch\u1ec9 sau m\u1ed9t \u0111\u00eam, thu h\u1ed3i m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n h\u1eefu \u00edch \u0111\u1ec3 t\u00e1i [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":35288,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-35287","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\/35287","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\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=35287"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35287\/revisions"}],"predecessor-version":[{"id":35289,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35287\/revisions\/35289"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/35288"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=35287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=35287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=35287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}