{"id":28857,"date":"2019-08-22T22:19:00","date_gmt":"2019-08-22T15:19:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28857"},"modified":"2021-10-03T22:20:27","modified_gmt":"2021-10-03T15:20:27","slug":"phat-hien-moi-ve-hinh-dang-cua-carbon","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-hien-moi-ve-hinh-dang-cua-carbon\/","title":{"rendered":"Ph\u00e1t hi\u1ec7n m\u1edbi v\u1ec1 h\u00ecnh d\u1ea1ng c\u1ee7a carbon"},"content":{"rendered":"\n

C\u00e1c nguy\u00ean t\u1eed trong Cyclocarbon c\u00f3 c\u1ea5u tr\u00fac \u0111a h\u00ecnh, li\u00ean k\u1ebft ba v\u00e0 \u0111\u01a1n xen k\u1ebd. H\u00ecnh d\u1ea1ng n\u00e0y t\u1eebng \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y v\u00e0 t\u00ecm ra tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n

\"H\u00ecnh
H\u00ecnh d\u1ea1ng m\u1edbi c\u1ee7a Cyclocarbon \u0111\u01b0\u1ee3c ch\u1ee5p b\u1eb1ng m\u00e1y hi\u1ec3n vi nguy\u00ean t\u1eed. \u1ea2nh: Science Alert<\/em><\/figcaption><\/figure>\n\n\n\n

Nh\u00f3m nh\u00e0 khoa h\u1ecdc t\u1eeb \u0110\u1ea1i h\u1ecdc Oxford v\u00e0 IBM Research \u0111\u00e3 t\u00ecm ra ph\u00e2n t\u1eed carbon c\u00f3 h\u00ecnh d\u1ea1ng m\u1edbi v\u00e0 c\u00f4ng b\u1ed1 tr\u00ean Hi\u1ec7p h\u1ed9i v\u00ec s\u1ef1 ti\u1ebfn b\u1ed9 Khoa h\u1ecdc M\u1ef9 (AAAS). Ph\u00e2n t\u1eed carbon n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cyclocarbon (C18) bao g\u1ed3m 18 nguy\u00ean t\u1eed s\u1eafp x\u1ebfp theo m\u1ed9t v\u00f2ng l\u1eb7p, \u0111\u01b0\u1ee3c minh h\u1ecda t\u1eeb d\u1eef li\u1ec7u k\u00ednh hi\u1ec3n vi l\u1ef1c nguy\u00ean t\u1eed. Cyclocarbon ph\u1ea3n \u1ee9ng d\u1ec5 d\u00e0ng v\u1edbi c\u00e1c ch\u1ea5t kh\u00e1c v\u00e0 kh\u00f3 ph\u00e2n l\u1eadp, n\u00ean \u0111\u1ec3 c\u00f4 l\u1eadp \u0111\u01b0\u1ee3c ph\u00e2n t\u1eed n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc ph\u1ea3i t\u1ea1o ra ph\u00e2n t\u1eed m\u1edbi tr\u00ean m\u1ed9t l\u1edbp mu\u1ed1i \u0103n tr\u01a1. <\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc b\u1eaft \u0111\u1ea7u t\u1ed5ng h\u1ee3p Cyclocarbon Oxide C2406 c\u00f3 h\u00ecnh tam gi\u00e1c. H\u1ecd \u0111\u01b0a h\u1ed7n h\u1ee3p n\u00e0y ti\u1ebfp x\u00fac v\u1edbi l\u1edbp mu\u1ed1i Natri clorua tr\u00ean m\u1ed9t t\u1ea5m \u0111\u1ed3ng, sau \u0111\u00f3 l\u00e0m l\u1ea1nh \u1edf 0 \u0111\u1ed9 C trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac h\u1ed7n h\u1ee3p n\u00e0y \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

B\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng k\u00ednh hi\u1ec3n vi l\u1ef1c nguy\u00ean t\u1eed, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 lo\u1ea1i b\u1ecf 6 ph\u00e2n t\u1eed carbon Monoxide (CO) ra kh\u1ecfi c\u1ea5u tr\u00fac C24O6 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t k\u1ebft c\u1ea5u tr\u00f2n nh\u01b0 th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, c\u00e1c nguy\u00ean t\u1eed trong Cyclocarbon l\u1ea1i h\u00ecnh th\u00e0nh n\u00ean c\u1ea5u tr\u00fac \u0111a h\u00ecnh, v\u1edbi li\u00ean k\u1ebft ba v\u00e0 \u0111\u01a1n xen k\u1ebd. H\u00ecnh d\u1ea1ng n\u00e0y ch\u01b0a m\u1ed9t nh\u00e0 khoa h\u1ecdc n\u00e0o nh\u00ecn th\u1ea5y v\u00e0 t\u00ecm ra tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n

“Vi\u1ec7c t\u00ecm ra h\u00ecnh d\u1ea1ng m\u1ed9t ph\u00e2n t\u1eed carbon m\u1edbi kh\u00f4ng ph\u1ea3i l\u00e0 vi\u1ec7c x\u1ea3y ra h\u00e0ng ng\u00e0y”, nh\u00e0 h\u00f3a h\u1ecdc Rik Tykwinski c\u1ee7a \u0110\u1ea1i h\u1ecdc Alberta t\u1ea1i Canada n\u00f3i. C\u1ea5u tr\u00fac m\u1edbi c\u1ee7a Cyclocarbon \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t b\u00e1n d\u1eabn, c\u00f3 ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng trong \u0111i\u1ec7n t\u1eed. Ngo\u00e0i ra do t\u00ednh ch\u1ea5t kh\u00f3 ph\u00e2n l\u1eadp n\u00ean ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra nh\u1eefng \u0111\u1ed3ng v\u1ecb carbon ho\u1eb7c ch\u1ea5t li\u1ec7u gi\u00e0u carbon kh\u00e1c.<\/p>\n\n\n\n

Carbon l\u00e0 m\u1ed9t ph\u00e2n t\u1eed v\u00f4 \u0111\u1ecbnh h\u00ecnh, c\u00f3 h\u00ecnh d\u1ea1ng phong ph\u00fa nh\u1ea5t tr\u00ean Tr\u00e1i \u0110\u1ea5t, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong vi\u1ec7c h\u00ecnh th\u00e0nh v\u1eadt ch\u1ea5t tr\u00eanTr\u00e1i \u0110\u1ea5t. Tr\u01b0\u1edbc \u0111\u00f3, vi\u1ec7c t\u00ecm ra carbon t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng kim c\u01b0\u01a1ng, than ch\u00ec, Fullerene \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u chi\u1ec1u h\u01b0\u1edbng t\u00edch c\u1ef1c. Hi\u1ec7n nay c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e2n t\u00edch \u0111\u1ec3 t\u00ecm ra \u0111\u1eb7c t\u00ednh m\u1edbi trong h\u00ecnh d\u1ea1ng n\u00e0y c\u1ee7a carbon.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nguy\u00ean t\u1eed trong Cyclocarbon c\u00f3 c\u1ea5u tr\u00fac \u0111a h\u00ecnh, li\u00ean k\u1ebft ba v\u00e0 \u0111\u01a1n xen k\u1ebd. H\u00ecnh d\u1ea1ng n\u00e0y t\u1eebng \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y v\u00e0 t\u00ecm ra tr\u01b0\u1edbc \u0111\u00f3. Nh\u00f3m nh\u00e0 khoa h\u1ecdc t\u1eeb \u0110\u1ea1i h\u1ecdc Oxford v\u00e0 IBM Research \u0111\u00e3 t\u00ecm ra ph\u00e2n t\u1eed carbon c\u00f3 h\u00ecnh d\u1ea1ng m\u1edbi v\u00e0 c\u00f4ng b\u1ed1 tr\u00ean Hi\u1ec7p […]<\/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-28857","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\/28857","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=28857"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28857\/revisions"}],"predecessor-version":[{"id":28858,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28857\/revisions\/28858"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}