{"id":25954,"date":"2020-08-16T10:41:06","date_gmt":"2020-08-16T03:41:06","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=25954"},"modified":"2021-11-14T16:47:08","modified_gmt":"2021-11-14T09:47:08","slug":"vi-khuan-tho-kim-loai-tiem-nang-phat-trien-he-cam-bien-song","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/vi-khuan-tho-kim-loai-tiem-nang-phat-trien-he-cam-bien-song\/","title":{"rendered":"Vi khu\u1ea9n th\u1edf kim lo\u1ea1i – ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n h\u1ec7 c\u1ea3m bi\u1ebfn s\u1ed1ng"},"content":{"rendered":"\n

(khoahocdoisong.vn) – Vi khu\u1ea9n Shewanella oneidensis<\/em> k\u1ef5 kh\u00ed, “th\u1edf” b\u1eb1ng m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t kim lo\u1ea1i v\u00e0 l\u01b0u hu\u1ef3nh (nh\u01b0 sinh v\u1eadt h\u1ea5p th\u1ee5 oxy) t\u1ea1o ra c\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n trang thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n h\u00f3a v\u00e0 nh\u1eefng thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i thu\u1ed1c.<\/strong><\/h2>\n\n\n\n

Theo b\u00e1o c\u00e1o khoa h\u1ecdc c\u1ee7a c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u do m\u1ed9t nh\u00f3m k\u1ef9 s\u01b0 Vi\u1ec7n B\u00e1ch khoa Rensselaer c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed Biointerphases, vi khu\u1ea9n Shewanella oneidensis <\/em>c\u00f3 th\u1ec3 t\u1ea1o ra molybdenum disulfide, v\u1eadt li\u1ec7u c\u00f3 t\u00ednh n\u0103ng chuy\u1ec3n t\u1ea3i \u0111i\u1ec7n t\u1eed d\u1ec5 d\u00e0ng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 graphene. Si\u00eau v\u1eadt li\u1ec7u n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb r\u1ea5t l\u1edbn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n

\"\"<\/td><\/tr>
Vi khu\u1ea9n y\u1ebfm kh\u00ed Shewanella oneidensis<\/em> (\u1ea2nh m\u00f4 ph\u1ecfng minh h\u1ecda).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Shayla Sawyer, ph\u00f3 gi\u00e1o s\u01b0 k\u1ef9 thu\u1eadt \u0111i\u1ec7n, m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng t\u1ea1i Rensselaer cho bi\u1ebft, ph\u00e1t hi\u1ec7n n\u00e0y m\u1edf ra nh\u1eefng ti\u1ec1m n\u0103ng quan tr\u1ecdng n\u1ebfu hi\u1ec3u \u0111\u01b0\u1ee3c quy tr\u00ecnh v\u00e0 ki\u1ec3m so\u00e1t m\u1ed9t c\u00e1ch chi ti\u1ebft c\u00e1ch th\u1ee9c vi khu\u1ea9n t\u1ea1o ra molybdenum disulfide v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c.<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t tri\u1ec3n th\u1ebf h\u1ec7 c\u1ea3m bi\u1ebfn dinh d\u01b0\u1ee1ng m\u1edbi, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean c\u00e1c h\u1ed3 v\u00e0 c\u00e1c v\u00f9ng n\u01b0\u1edbc tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c vi khu\u1ea9n Shewanella oneidensis<\/em>, th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ecba h\u00f3a ho\u1eb7c sinh h\u00f3a c\u1ee5 th\u1ec3, trong c\u00f3 th\u1ec3 t\u1ea1o ra trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1eefng v\u1eadt li\u1ec7u r\u1ea5t th\u00fa v\u1ecb v\u00e0 m\u1edbi l\u1ea1. H\u1ecd \u0111ang c\u1ed1 g\u1eafng \u0111\u01b0a ph\u00e1t hi\u1ec7n n\u00e0y v\u00e0o th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt \u0111i\u1ec7n.<\/p>\n\n\n\n

So v\u1edbi c\u00e1c vi khu\u1ea9n k\u1ef5 kh\u00ed kh\u00e1c, m\u1ed9t t\u00ednh \u0111\u1eb7c tr\u01b0ng th\u00fa v\u1ecb c\u1ee7a Shewanella oneidensis<\/em> l\u00e0 vi khu\u1ea9n t\u1ea1o ra nh\u1eefng d\u00e2y nano c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n t\u1ea3i electron hi\u1ec7u qu\u1ea3. \u0110i\u1ec1u \u0111\u00f3 cho ph\u00e9p c\u00e1c vi khu\u1ea9n n\u00e0y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o. \u0110\u00e2y l\u00e0 giao di\u1ec7n k\u1ebft n\u1ed1i h\u1ea5p d\u1eabn gi\u1eefa th\u1ebf gi\u1edbi s\u1ed1ng v\u00e0 th\u1ebf gi\u1edbi nh\u00e2n t\u1ea1o.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng ph\u00e1t hi\u1ec7n th\u1ea5y, nh\u1eefng d\u1ea5u hi\u1ec7u \u0111i\u1ec7n t\u1eed c\u1ee7a vi khu\u1ea9n c\u00f3 th\u1ec3 l\u1eadp \u0111\u01b0\u1ee3c b\u1ea3n \u0111\u1ed3 v\u00e0 theo d\u00f5i s\u1ef1 bi\u1ebfn \u0111\u1ed5i, m\u00e0ng sinh h\u1ecdc vi khu\u1ea9n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u1ea3m bi\u1ebfn dinh d\u01b0\u1ee1ng hi\u1ec7u qu\u1ea3, cung c\u1ea5p cho c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u1eefng d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u1ec1 s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n\n\n\n

C\u00f4ng tr\u00ecnh \u0111\u1ed9t ph\u00e1 s\u1eed d\u1ee5ng m\u00e0ng sinh h\u1ecdc vi khu\u1ea9n cho th\u1ea5y ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n m\u1ed9t th\u1ebf h\u1ec7 “c\u1ea3m bi\u1ebfn s\u1ed1ng” th\u00fa v\u1ecb m\u1edbi, thay \u0111\u1ed5i ho\u00e0n to\u00e0n kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n nh\u1eefng ch\u1ea5t dinh d\u01b0\u1ee1ng d\u01b0 th\u1eeba trong n\u01b0\u1edbc trong th\u1eddi gian th\u1ef1c. Ngu\u1ed3n d\u1eef li\u1ec7u thu \u0111\u01b0\u1ee3c r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c lo\u00e0i t\u1ea3o g\u00e2y h\u1ea1i v\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng kh\u00e1c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u hi\u1ec7n c\u00f3 k\u1ebf ho\u1ea1ch ti\u1ebfp t\u1ee5c t\u00ecm ki\u1ebfm ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u ph\u00e1t tri\u1ec3n vi khu\u1ea9n n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a virus tr\u00ean quy m\u00f4 r\u1ed9ng.<\/p>\n\n\n\n

TH\u00c1I B\u1eb0NG<\/strong> ngu\u1ed3n: khoahocdoisong.vn<\/p>\n\n\n\n

Vi khu\u1ea9n th\u1edf kim lo\u1ea1i c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, c\u1ea3m bi\u1ebfn sinh h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u – Khoa h\u1ecdc v\u00e0 \u0111\u1eddi s\u1ed1ng (khoahocdoisong.vn)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

(khoahocdoisong.vn) – Vi khu\u1ea9n Shewanella oneidensis k\u1ef5 kh\u00ed, “th\u1edf” b\u1eb1ng m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t kim lo\u1ea1i v\u00e0 l\u01b0u hu\u1ef3nh (nh\u01b0 sinh v\u1eadt h\u1ea5p th\u1ee5 oxy) t\u1ea1o ra c\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n trang thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n h\u00f3a v\u00e0 nh\u1eefng thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i […]<\/p>\n","protected":false},"author":25,"featured_media":25955,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-25954","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\/25954","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=25954"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/25954\/revisions"}],"predecessor-version":[{"id":29980,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/25954\/revisions\/29980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/25955"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=25954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=25954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=25954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}