{"id":28854,"date":"2019-08-21T22:18:00","date_gmt":"2019-08-21T15:18:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28854"},"modified":"2021-10-03T22:19:27","modified_gmt":"2021-10-03T15:19:27","slug":"phuong-phap-thong-minh-phat-hien-va-loai-bo-phenol-nguy-hai","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phuong-phap-thong-minh-phat-hien-va-loai-bo-phenol-nguy-hai\/","title":{"rendered":"&#8216;Ph\u01b0\u01a1ng ph\u00e1p th\u00f4ng minh ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf phenol nguy h\u1ea1i"},"content":{"rendered":"\n<p><strong>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u Th\u00e1i Lan \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf phenol \u0111\u1ed9c h\u1ea1i ch\u1ec9 trong m\u1ed9t b\u01b0\u1edbc. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed Angewandte Chemie, m\u00f4 t\u1ea3 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai ph\u1ea3n \u1ee9ng enzym t\u1ef1 nhi\u00ean chuy\u1ec3n \u0111\u1ed5i chloro &#8211; v\u00e0 nitrophenol c\u00f3 h\u1ea1i th\u00e0nh ch\u1ea5t luciferin mang l\u1ea1i cho \u0111om \u0111\u00f3m kh\u1ea3 n\u0103ng ph\u00e1t s\u00e1ng \u0111\u1eb7c tr\u01b0ng.<\/strong><\/p>\n\n\n\n<p>C\u00e1c ph\u00e2n t\u1eed benzen ho\u1eb7c phenol oxy h\u00f3a l\u00e0 ph\u1ea7n c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u1ee7a nhi\u1ec1u ch\u1ea5t h\u1eefu c\u01a1 t\u1eeb lignin v\u00e0 tar cho \u0111\u1ebfn d\u01b0\u1ee3c ph\u1ea9m, thu\u1ed1c nhu\u1ed9m v\u00e0 thu\u1ed1c di\u1ec7t c\u1ecf. C\u00e1c h\u1ee3p ch\u1ea5t c\u00f3 ngu\u1ed3n g\u1ed1c phenol \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o nh\u1ef1a d\u01b0\u1edbi d\u1ea1ng ch\u1ea5t d\u1ebbo. M\u1eb7c d\u00f9 \u0111a s\u1ed1 c\u00e1c h\u00f3a ch\u1ea5t n\u00e0y kh\u00f4ng g\u00e2y h\u1ea1i, nh\u01b0ng thu\u1ed1c tr\u1eeb s\u00e2u, thu\u1ed1c di\u1ec7t c\u1ecf ho\u1eb7c ch\u1ea5t ch\u1ed1ng ch\u00e1y c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y th\u00e0nh nitrophenol v\u00e0 phenol halogen h\u00f3a g\u00e2y ung th\u01b0 t\u00edch t\u1ee5 t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c ho\u1eb7c tr\u00ean c\u00e1nh \u0111\u1ed3ng.<br>&nbsp;H\u1ee3p ch\u1ea5t phenol th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 kh\u1ed1i ph\u1ed5. Gi\u1edd \u0111\u00e2y, chuy\u00ean gia h\u00f3a sinh Pimchai Chaiyen t\u1ea1i Vi\u1ec7n Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vidyasirimedhi, Th\u00e1i Lan v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c t\u1ebf h\u01a1n. C\u1ee5 th\u1ec3, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 k\u1ebft h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p kh\u1eed \u0111\u1ed9c sinh h\u1ecdc v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i sinh h\u00f3a \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eed c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong m\u1ed9t b\u01b0\u1edbc. S\u1ea3n ph\u1ea9m quan tr\u1ecdng \u0111\u01b0\u1ee3c t\u1ea1o ra l\u00e0 luciferin, h\u1ee3p ch\u1ea5t ph\u00e1t quang sinh h\u1ecdc do \u0111om \u0111\u00f3m t\u1ea1o ra.<\/p>\n\n\n\n<p>Thi\u00ean nhi\u00ean \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t s\u1ed1 c\u01a1 ch\u1ebf ph\u00e2n h\u1ee7y v\u00e0 kh\u1eed \u0111\u1ed9c h\u00f3a ch\u1ea5t. Vi khu\u1ea9n \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c enzyme chuy\u00ean bi\u1ec7t \u0111\u1ec3 kh\u1eed halogen phenol v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t oxy h\u00f3a \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 benzoquinones, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a b\u1edfi c\u00e1c sinh v\u1eadt. Do \u0111\u00f3, c\u00e1c enzym \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 deh halogenase ho\u1eb7c mono-oxyase \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ec3 gi\u1ea3i \u0111\u1ed9c sinh h\u1ecdc.<\/p>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ti\u1ebfn xa h\u01a1n m\u00e0 kh\u00f4ng ch\u1ec9 gi\u1ea3i \u0111\u1ed9c tinh khi\u1ebft v\u00e0 k\u1ebft h\u1ee3p qu\u00e1 tr\u00ecnh enzyme v\u1edbi ph\u01b0\u01a1ng ph\u00e1p chuy\u1ec3n \u0111\u1ed5i s\u1ea3n ph\u1ea9m benzoquinone th\u00e0nh luciferin. Quy tr\u00ecnh s\u1eed d\u1ee5ng enzym bao g\u1ed3m vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i benzoquinone, s\u1ea3n ph\u1ea9m t\u1eeb b\u01b0\u1edbc chuy\u1ec3n \u0111\u1ed5i enzym \u0111\u1ea7u ti\u00ean th\u00e0nh luciferin trong b\u01b0\u1edbc th\u1ee9 hai, nh\u01b0ng trong c\u00f9ng m\u1ed9t b\u00ecnh ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i benzoquinone th\u00e0nh luciferin, c\u00e1c t\u00e1c gi\u1ea3 \u0111\u00e3 b\u1ed5 sung h\u1ee3p ch\u1ea5t t\u1ef1 nhi\u00ean cysteine v\u00e0o h\u1ed7n h\u1ee3p ph\u1ea3n \u1ee9ng. Sau \u0111\u00f3, h\u1ecd \u0111\u00e3 th\u1ef1c hi\u1ec7n b\u01b0\u1edbc th\u1ee9 ba trong chu\u1ed7i ph\u1ea3n \u1ee9ng v\u00e0 ph\u00e1t hi\u1ec7n s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a luciferin th\u00f4ng qua ph\u1ea3n \u1ee9ng ph\u00e1t s\u00e1ng do lo\u1ea1i enzym c\u00f3 t\u00ean l\u00e0 luciferase, c\u0169ng c\u00f3 trong \u0111om \u0111\u00f3m. Ngo\u00e0i ra, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ch\u1ee9ng minh h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eed \u0111\u1ed9c nh\u1edd s\u1ea3n sinh luciferin r\u1ea5t m\u1ea1nh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh l\u01b0\u1ee3ng phenol nguy h\u1ea1i th\u00e0nh luciferin.<br>&nbsp;Vi\u1ec7c kh\u1eed \u0111\u1ed9c v\u00e0 \u0111\u1ed3ng th\u1eddi s\u1ea3n sinh luciferin c\u00f3 th\u1ec3 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch b\u1ed5 sung. Luciferin l\u00e0 h\u1ee3p ch\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb cao trong y sinh. C\u00e1c t\u00e1c gi\u1ea3 \u0111\u00e3 ch\u1ee9ng minh ph\u01b0\u01a1ng ph\u00e1p m\u1edbi r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 h\u1eefu \u00edch \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 kh\u1eed \u0111\u1ed9c m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c trong m\u1ed9t b\u01b0\u1edbc v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p luciferin t\u1eeb h\u00f3a ch\u1ea5t th\u1ea3i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u Th\u00e1i Lan \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf phenol \u0111\u1ed9c h\u1ea1i ch\u1ec9 trong m\u1ed9t b\u01b0\u1edbc. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed Angewandte Chemie, m\u00f4 t\u1ea3 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai ph\u1ea3n \u1ee9ng enzym t\u1ef1 nhi\u00ean chuy\u1ec3n \u0111\u1ed5i chloro &#8211; v\u00e0 [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28854","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\/28854","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28854"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28854\/revisions"}],"predecessor-version":[{"id":28856,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28854\/revisions\/28856"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}