{"id":25211,"date":"2020-06-03T14:54:00","date_gmt":"2020-06-03T07:54:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=25211"},"modified":"2021-11-09T19:57:00","modified_gmt":"2021-11-09T12:57:00","slug":"nhua-sinh-hoc-tu-phan-huy-tu-vo-cam-va-co2","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nhua-sinh-hoc-tu-phan-huy-tu-vo-cam-va-co2\/","title":{"rendered":"Nh\u1ef1a sinh h\u1ecdc t\u1ef1 ph\u00e2n h\u1ee7y t\u1eeb v\u1ecf cam v\u00e0 CO2"},"content":{"rendered":"\n

(khoahocdoisong.vn) – T\u1eeb v\u1ecf cam, chi\u1ebft xu\u1ea5t ch\u1ea5t t\u1ef1 nhi\u00ean limonene, oxy h\u00f3a ch\u1ea5t n\u00e0y v\u00e0 k\u1ebft n\u1ed1i v\u1edbi carbon dioxide, s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c l\u00e0 nh\u1ef1a sinh h\u1ecdc, nguy\u00ean li\u1ec7u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd.<\/strong><\/h2>\n\n\n\n

Nh\u1ef1a sinh h\u1ecdc<\/a> \u0111a c\u00f4ng d\u1ee5ng c\u00f4ng ngh\u1ec7 xanh<\/a>, \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ea1i h\u1ecdc Bayreuth, \u0110\u1ee9c s\u1ea3n xu\u1ea5t, c\u00f3 t\u00ean g\u1ecdi l\u00e0 PLimC.<\/p>\n\n\n\n

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S\u1ef1 \u0111\u1ed3ng tr\u00f9ng h\u1ee3p c\u1ee7a oxit limonene v\u00e0 CO\u00a02<\/sub>\u00a0v\u1edbi s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a\u00a0ch\u1ea5t x\u00fac t\u00e1c k\u1ebdm\u00a0\u03b2\u00a0-diimine v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a mang l\u1ea1i nguy\u00ean li\u1ec7u nh\u1ef1a PLimC tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao.<\/em><\/figcaption><\/figure><\/div>\n\n\n\n
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GS.TS Seema Agarwal, Oliver Hauenstein v\u00e0 GS.TS Andreas Greiner (t\u1eeb tr\u00e1i sang ph\u1ea3i) v\u1edbi l\u00f2 ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p polymer. \u1ea2nh: Christian Wi\u00dfler<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

Polycarbonate n\u00e0y l\u00e0 k\u1ebft qu\u1ea3 s\u1ef1 t\u1ed5ng h\u1ee3p limonene v\u1edbi carbon dioxide. Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m kh\u00f4ng ch\u1ee9a ch\u1ea5t \u0111\u1ed9c bisphenol A, kh\u00e1c v\u1edbi c\u00e1c nh\u1ef1a polycarbonat th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

Ngo\u00e0i ra, nh\u1ef1a sinh h\u1ecdc t\u1eeb cam c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p: PLimC c\u1ee9ng, ch\u1ecbu nhi\u1ec7t v\u00e0 trong su\u1ed1t, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p l\u00e0m v\u1eadt li\u1ec7u cho c\u00e1c l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

GS.TS Andreas Greiner, tr\u01b0\u1edfng nh\u00f3m nghi\u00ean c\u1ee9u Bayreuth cho bi\u1ebft: \u201cHi\u1ec7n ch\u00fang t\u00f4i \u0111ang m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 nh\u1eefng ph\u00e1t hi\u1ec7n, \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 trong n\u0103m 2019 trong nghi\u00ean c\u1ee9u m\u1edbi.  Nh\u1eefng k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3 cho th\u1ea5y PLimC r\u1ea5t ph\u00f9 h\u1ee3p l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 cho r\u1ea5t nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m kh\u00e1c nhau.<\/p>\n\n\n\n

M\u1ed9t \u0111i\u1ec3m th\u00fa v\u1ecb l\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a, s\u1ea3n xu\u1ea5t t\u1eeb nguy\u00ean li\u1ec7u PLimC m\u1edbi n\u00e0y l\u00e0 nh\u1eefng polymer kh\u00e1ng khu\u1ea9n, c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n s\u1ef1 t\u00edch t\u1ee5 vi khu\u1ea9n E-coli.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng PlimC l\u00e0m nguy\u00ean li\u1ec7u cho c\u00e1c th\u00f9ng ch\u1ee9a container, s\u1eed d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb v\u00e0 ch\u0103m s\u00f3c y t\u1ebf c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 nhi\u1ec5m tr\u00f9ng. PlimC c\u0169ng c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c chi ti\u1ebft c\u1ea5y gh\u00e9p nh\u1ef1a trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c polymer.<\/p>\n\n\n\n

\u0110\u1eb7c t\u00ednh \u0111\u1eb7c ch\u01b0ng c\u1ee7a c\u00e1c polymer t\u1eeb PlimC l\u00e0 c\u00f3 th\u1ec3 h\u00f2a tan trong n\u01b0\u1edbc bi\u1ec3n th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n v\u00f4 h\u1ea1i v\u1ec1 sinh th\u00e1i, sau \u0111\u00f3 b\u1ecb ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n.<\/p>\n\n\n\n

Nh\u1eefng lo\u1ea1i nh\u1ef1a t\u1eeb nguy\u00ean v\u1eadt li\u1ec7u th\u00f4 PlimC – n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t chai, t\u00fai ho\u1eb7c c\u00e1c v\u1eadt d\u1ee5ng kh\u00e1c s\u1ebd ng\u0103n ch\u1eb7n s\u1ef1 gia t\u0103ng \u00f4 nhi\u1ec5m t\u1eeb nh\u1eefng h\u1ea1t nh\u1ef1a PVC kh\u00f4ng h\u00f2a tan.<\/p>\n\n\n\n

Oliver Hauenstein, nh\u00e0 khoa h\u1ecdc th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u then ch\u1ed1t \u0111\u1ec3 t\u1ed5ng h\u1ee3p v\u00e0 th\u1eed nghi\u1ec7m \u1ee9ng d\u1ee5ng lo\u1ea1i nh\u1ef1a m\u1edbi cho bi\u1ebft, kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng m\u1edbi d\u1ef1a tr\u00ean PlimC h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n

Nguy\u00ean v\u1eadt li\u1ec7u m\u1edbi PLimC r\u1ea5t d\u1ec5 x\u1eed l\u00fd v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Nh\u1eefng ch\u1ea5t th\u1ea3i t\u1eeb c\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t n\u01b0\u1edbc cam c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu h\u1ed3i t\u00e1i ch\u1ebf. Kh\u00ed CO2<\/a> trong hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee9 kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i x\u1ea3 ra ngo\u00e0i kh\u00ed quy\u1ec3n.<\/p>\n\n\n\n

H\u01a1n th\u1ebf n\u1eefa, c\u00e1c lo\u1ea1i nh\u1ef1a PLimC kh\u00e1c nhau c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u1ed5ng h\u1ee3p m\u00e0 kh\u00f4ng c\u1ea7n nh\u1eefng k\u1ef9 thu\u1eadt cao c\u1ea5p ho\u1eb7c \u0111\u1ea7u t\u01b0 v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh l\u1edbp. Nh\u1ef1a PlimC v\u00f4 h\u1ea1i \u0111\u1ed1i v\u1edbi sinh th\u00e1i, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng do c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y v\u00e0 t\u00e1i ch\u1ebf.<\/p>\n\n\n\n

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

Nh\u1ef1a c\u00f4ng ngh\u1ec7 xanh t\u1ef1 ph\u00e2n h\u1ee7y l\u00e0m t\u1eeb v\u1ecf cam v\u00e0 CO2 – Khoa h\u1ecdc v\u00e0 \u0111\u1eddi s\u1ed1ng (khoahocdoisong.vn)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

(khoahocdoisong.vn) – T\u1eeb v\u1ecf cam, chi\u1ebft xu\u1ea5t ch\u1ea5t t\u1ef1 nhi\u00ean limonene, oxy h\u00f3a ch\u1ea5t n\u00e0y v\u00e0 k\u1ebft n\u1ed1i v\u1edbi carbon dioxide, s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c l\u00e0 nh\u1ef1a sinh h\u1ecdc, nguy\u00ean li\u1ec7u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd. Nh\u1ef1a sinh h\u1ecdc \u0111a c\u00f4ng d\u1ee5ng c\u00f4ng ngh\u1ec7 xanh, \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean […]<\/p>\n","protected":false},"author":25,"featured_media":25212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-25211","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\/25211","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=25211"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/25211\/revisions"}],"predecessor-version":[{"id":29860,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/25211\/revisions\/29860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/25212"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=25211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=25211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=25211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}