{"id":71628,"date":"2022-12-07T15:22:53","date_gmt":"2022-12-07T08:22:53","guid":{"rendered":"https:\/\/tcvn.gov.vn\/?p=71628"},"modified":"2022-12-08T10:46:23","modified_gmt":"2022-12-08T03:46:23","slug":"phat-trien-loai-thuoc-dang-xit-su-dung-hat-sieu-nho-tieu-diet-vi-khuan-co-hai-tren-thuc-pham","status":"publish","type":"post","link":"https:\/\/tcvn.gov.vn\/phat-trien-loai-thuoc-dang-xit-su-dung-hat-sieu-nho-tieu-diet-vi-khuan-co-hai-tren-thuc-pham\/07\/12\/2022\/","title":{"rendered":"Ph\u00e1t tri\u1ec3n lo\u1ea1i thu\u1ed1c d\u1ea1ng x\u1ecbt s\u1eed d\u1ee5ng h\u1ea1t si\u00eau nh\u1ecf ti\u00eau di\u1ec7t vi khu\u1ea9n c\u00f3 h\u1ea1i tr\u00ean th\u1ef1c ph\u1ea9m"},"content":{"rendered":"<p style=\"text-align: justify;\"><em><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 lo\u1ea1i b\u1ecf vi khu\u1ea9n c\u00f3 h\u1ea1i c\u00f3 trong th\u1ef1c ph\u1ea9m nh\u01b0ng vi\u1ec7c s\u1eed d\u1ee5ng kh\u00e1ng sinh ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t. Ch\u00ednh v\u00ec l\u00fd do n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra lo\u1ea1i thu\u1ed1c d\u1ea1ng x\u1ecbt m\u1edbi s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i vi-r\u00fat an to\u00e0n v\u1edbi th\u1ef1c ph\u1ea9m \u0111\u1ec3 ti\u00eau di\u1ec7t vi khu\u1ea9n \u0111\u00f3.<\/span><\/strong><\/em><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">\u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc McMaster c\u1ee7a Canada, lo\u1ea1i thu\u1ed1c x\u1ecbt n\u00e0y bao g\u1ed3m c\u00e1c h\u1ea1t vi-r\u00fat si\u00eau nh\u1ecf \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ec3 th\u1ef1c khu\u1ea9n. M\u1eb7c d\u00f9 v\u00f4 h\u1ea1i v\u1edbi con ng\u01b0\u1eddi nh\u01b0ng ch\u00fang gi\u1ebft v\u00e0 \u0103n vi khu\u1ea9n. V\u00e0 quan tr\u1ecdng l\u00e0 m\u1ed9t s\u1ed1 th\u1ec3 th\u1ef1c khu\u1ea9n s\u0103n m\u1ed9t s\u1ed1 lo\u1ea1i vi khu\u1ea9n nh\u1ea5t \u0111\u1ecbnh, ch\u00fang kh\u00f4ng ti\u00eau di\u1ec7t b\u1eeba b\u00e3i t\u1ea5t c\u1ea3 vi khu\u1ea9n c\u1ea3 c\u00f3 h\u1ea1i v\u00e0 c\u00f3 l\u1ee3i.\u00a0D\u1ef1a tr\u00ean nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00f3 c\u1ee7a c\u00f9ng m\u1ed9t nh\u00f3m, quy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u1ea1t vi-r\u00fat b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c t\u1ea1o ra dung d\u1ecbch l\u1ecfng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb th\u1ec3 th\u1ef1c khu\u1ea9n v\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 li\u00ean k\u1ebft ngang g\u1ecdi l\u00e0 glutaraldehyde.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Dung d\u1ecbch \u0111\u00f3 \u0111\u01b0\u1ee3c l\u1eafng \u0111\u1ecdng tr\u00ean m\u1ed9t m\u00e0ng polyme m\u1ecfng hai l\u1edbp, l\u1edbp n\u1ec1n d\u01b0\u1edbi c\u00f9ng l\u00e0 ch\u1ea5t r\u1eafn, trong khi l\u1edbp khu\u00f4n m\u1eabu tr\u00ean c\u00f9ng bao g\u1ed3m m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c l\u1ed7 nh\u1ecf gi\u1ed1ng nh\u01b0 t\u1ed5 ong.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Ti\u1ebfp theo, m\u00e0ng ch\u1ee9a \u0111\u1ea7y dung d\u1ecbch \u0111\u1eb7t trong ch\u00e2n kh\u00f4ng trong 10 ph\u00fat, sau \u0111\u00f3 \u0111\u1ec3 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, m\u00e1t hai ng\u00e0y. Trong th\u1eddi gian n\u00e0y, glutaraldehyde l\u00e0m cho t\u1ea5t c\u1ea3 th\u1ec3 th\u1ef1c khu\u1ea9n ri\u00eang l\u1ebb trong m\u1ed7i l\u1ed7 t\u1ed5 ong t\u1ef1 l\u1eafp r\u00e1p th\u00e0nh m\u1ea1ng l\u01b0\u1edbi s\u1ee3i nano \u0111\u01b0\u1ee3c li\u00ean k\u1ebft, do \u0111\u00f3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ea1t s\u1ec1n s\u1ec7t trong l\u1ed7 \u0111\u00f3.<\/span><\/p>\n<div class=\"photo_detail\" style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"><img loading=\"lazy\" class=\"aligncenter\" title=\"\" src=\"http:\/\/media.vietq.vn\/files\/hongvan\/2022\/12\/06\/Untitled.png\" alt=\"\" width=\"512\" height=\"342\" \/><\/span><\/p>\n<h1 class=\"caption_image\" style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">B\u00ecnh x\u1ecbt h\u1ea1t microgel l\u1ee3i khu\u1ea9n \u0111\u00e3 di\u1ec7t tr\u1eeb vi khu\u1ea9n E. coli tr\u00ean x\u00e0 l\u00e1ch v\u00e0 th\u1ecbt nhi\u1ec5m \u0111\u1ed9c.<\/span><\/h1>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Sau \u0111\u00f3, khi l\u1edbp tr\u00ean c\u00f9ng c\u1ee7a m\u00e0ng \u0111\u01b0\u1ee3c b\u00f3c ra, c\u00e1c h\u1ea1t microgel c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu ho\u1ea1ch t\u1eeb l\u1edbp n\u1ec1n l\u1ed9 ra. M\u1ed7i h\u1ea1t r\u1ed9ng kho\u1ea3ng 20 micron v\u00e0 ch\u1ee9a kho\u1ea3ng n\u1eeda tri\u1ec7u th\u1ec3 th\u1ef1c khu\u1ea9n. \u1ede d\u1ea1ng t\u1eadp th\u1ec3 n\u00e0y, virus m\u1ea1nh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi khi ch\u00fang \u1edf d\u1ea1ng \u0111\u1ed9c l\u1eadp.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">\u201cCh\u00fang li\u00ean k\u1ebft v\u1edbi nhau nh\u01b0 nh\u1eefng m\u1ea3nh Lego si\u00eau nh\u1ecf, c\u1ea5u tr\u00fac t\u1ef1 nhi\u00ean c\u00f3 t\u1ed5 ch\u1ee9c n\u00e0y l\u00e0m cho ch\u00fang b\u1ec1n, d\u1ec5 \u0111\u00f3ng g\u00f3i, l\u01b0u tr\u1eef v\u00e0 s\u1eed d\u1ee5ng h\u01a1n\u201d, m\u1ed9t trong nh\u1eefng nh\u00e0 khoa h\u1ecdc h\u00e0ng \u0111\u1ea7u, Gi\u00e1o s\u01b0 Zeinab Hosseinidost cho bi\u1ebft.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Trong c\u00e1c th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m, thu\u1ed1c x\u1ecbt \u0111\u00e3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n vi khu\u1ea9n E. coli tr\u00ean rau di\u1ebfp v\u00e0 th\u1ecbt b\u1ecb nhi\u1ec5m \u0111\u1ed9c trong v\u00f2ng 9 gi\u1edd sau khi s\u1eed d\u1ee5ng. C\u00e1c nh\u00e0 khoa h\u1ecdc tuy\u00ean b\u1ed1 r\u1eb1ng n\u1ebfu s\u1eed d\u1ee5ng c\u00e1c th\u1ec3 th\u1ef1c khu\u1ea9n kh\u00e1c, b\u00ecnh x\u1ecbt c\u0169ng c\u00f3 th\u1ec3 ti\u00eau di\u1ec7t vi khu\u1ea9n c\u00f3 h\u1ea1i nh\u01b0 Salmonella v\u00e0 Listeria.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Ng\u01b0\u1eddi ta hy v\u1ecdng r\u1eb1ng b\u00ecnh x\u1ecbt cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi ch\u1ebf bi\u1ebfn v\u00e0 \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m, th\u1eadm ch\u00ed khi tr\u1ed3ng c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1i s\u1ed1ng. Ngo\u00e0i ra, c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ti\u00eau di\u1ec7t vi khu\u1ea9n trong c\u00e1c v\u1ebft th\u01b0\u01a1ng b\u1ecb nhi\u1ec5m tr\u00f9ng.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"><strong>Theo VietQ<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 lo\u1ea1i b\u1ecf vi khu\u1ea9n c\u00f3 h\u1ea1i c\u00f3 trong th\u1ef1c ph\u1ea9m nh\u01b0ng vi\u1ec7c s\u1eed d\u1ee5ng kh\u00e1ng sinh ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t. Ch\u00ednh v\u00ec l\u00fd do n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra lo\u1ea1i thu\u1ed1c d\u1ea1ng x\u1ecbt m\u1edbi s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i vi-r\u00fat [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[],"acf":{"linh-vuc":"C\u00e1c l\u0129nh v\u1ef1c kh\u00e1c"},"_links":{"self":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/71628"}],"collection":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/comments?post=71628"}],"version-history":[{"count":0,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/71628\/revisions"}],"wp:attachment":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/media?parent=71628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/categories?post=71628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/tags?post=71628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}