Trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi c\u00f3 m\u1ea1ng huy\u1ebft qu\u1ea3n ph\u00e2n b\u1ed1 kh\u1eafp c\u01a1 th\u1ec3. M\u00e1u theo huy\u1ebft qu\u1ea3n tu\u1ea7n ho\u00e0n trong kh\u1eafp ng\u01b0\u1eddi v\u00e0 nu\u00f4i s\u1ed1ng con ng\u01b0\u1eddi. N\u1ebfu huy\u1ebft qu\u1ea3n b\u1ecb v\u1ee1, m\u00e1u c\u00f3 th\u1ec3 ch\u1ea3y th\u1ea5m ra ngo\u00e0i g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t huy\u1ebft. C\u00f3 l\u00fac c\u00f3 \u0111o\u1ea1n huy\u1ebft qu\u1ea3n kh\u00e1 l\u1edbn n\u00e0o \u0111\u00f3 b\u1ecb ho\u1ea1i t\u1eed, b\u1ecb \u0111\u1ee9t ho\u1eb7c b\u1ecb v\u1ee1. B\u1ea5y gi\u1edd ng\u01b0\u1eddi ta ph\u1ea3i c\u1eaft b\u1ecf \u0111o\u1ea1n huy\u1ebft qu\u1ea3n h\u1ecfng v\u00e0 thay b\u1eb1ng \u0111o\u1ea1n huy\u1ebft qu\u1ea3n nh\u00e2n t\u1ea1o c\u00f3 c\u00f9ng \u0111\u1ed9 l\u1edbn v\u00e0 \u0111\u1ed9 d\u00e0i. Th\u1ebf li\u1ec7u huy\u1ebft qu\u1ea3n nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 thay th\u1ebf huy\u1ebft qu\u1ea3n th\u1ef1c trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n\n\n\n
Ban \u0111\u1ea7u c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1ef1a v\u00e0o c\u01a1 n\u0103ng c\u1ee7a c\u01a1 th\u1ec3 ng\u01b0\u1eddi, \u0111\u00e3 d\u00f9ng lo\u1ea1i protein s\u1ee3i \u0111\u1ed9ng v\u1eadt l\u00e0 t\u01a1 t\u1eb1m l\u00e0m nguy\u00ean li\u1ec7u ch\u1ebf t\u1ea1o huy\u1ebft qu\u1ea3n nh\u00e2n t\u1ea1o. Ng\u01b0\u1eddi ta d\u00f9ng nh\u1eefng m\u00e1y d\u1ec7t h\u1ebft s\u1ee9c tinh vi d\u1ec7t n\u00ean c\u00e1c \u1ed1ng b\u1eb1ng t\u01a1 r\u1ea5t d\u00e0y. Sau \u0111\u00f3 ti\u1ebfn h\u00e0nh c\u00e1c gia c\u00f4ng c\u01a1 nh\u01b0 v\u00f2, k\u00e9o, l\u1ed9n v\u00e0 x\u1eed l\u00fd b\u1eb1ng keo d\u00ednh \u0111\u1ec3 c\u00e1c \u1ed1ng b\u1eb1ng t\u01a1 v\u1eeba c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u1eeba c\u00f3 t\u00ednh \u0111\u00e0n h\u1ed3i t\u1ed1t, c\u00f3 th\u1ec3 co, k\u00e9o l\u01b0\u1ee3n v\u00f2ng tu\u1ef3 \u00fd kh\u00f4ng s\u1ee3 d\u1eadp, g\u00e3y, kh\u00f4ng b\u1ecb m\u00f3p. Lo\u1ea1i huy\u1ebft qu\u1ea3n n\u00e0y kh\u00f4ng b\u1ecb v\u1ee1, kh\u00f4ng th\u1ea5m r\u00f2 n\u01b0\u1edbc, kh\u00f4ng r\u00f2 m\u00e1u, khi m\u00e1u ch\u1ea1y trong \u1ed1ng kh\u00f4ng g\u00e2y b\u1ea5t k\u1ef3 s\u1ef1 thay \u0111\u1ed5i n\u00e0o. Sau khi kh\u1eed tr\u00f9ng c\u1ea9n th\u1eadn c\u00f3 th\u1ec3 \u0111\u01b0a v\u00e0o c\u01a1 th\u1ec3 ng\u01b0\u1eddi \u0111\u1ec3 thay th\u1ebf huy\u1ebft qu\u1ea3n c\u1ee7a ng\u01b0\u1eddi.<\/p>\n\n\n\n
Nh\u1edd s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc k\u1ef9 thu\u1eadt ng\u01b0\u1eddi ta l\u1ea1i t\u00ecm th\u1ea5y nhi\u1ec1u h\u1ee3p ch\u1ea5t cao ph\u00e2n t\u1eed t\u1ed5ng h\u1ee3p c\u00f3 c\u1ea5u tr\u00fac ho\u00e1 h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd r\u1ea5t gi\u1ed1ng v\u1edbi c\u00e1c cao ph\u00e2n t\u1eed t\u1ef1 nhi\u00ean trong c\u00e1c t\u1ed5 ch\u1ee9c c\u01a1 th\u1ec3 ng\u01b0\u1eddi. Khi d\u00f9ng c\u00e1c cao ph\u00e2n t\u1eed t\u1ed5ng h\u1ee3p lo\u1ea1i n\u00e0y \u0111\u1ec3 ch\u1ebf t\u1ea1o huy\u1ebft qu\u1ea3n s\u1ebd c\u00f3 s\u1ef1 t\u01b0\u01a1ng h\u1ee3p sinh v\u1eadt v\u00e0 kh\u00f4ng s\u1ee3 b\u1ecb c\u01a1 th\u1ec3 lo\u1ea1i b\u1ecf. V\u00ed d\u1ee5 ng\u01b0\u1eddi ta d\u00f9ng cao su polyeste amit hay polybenzyl – 2 – fomiate, 2 – axetat \u0111\u1ec3 ch\u1ebf t\u1ea1o huy\u1ebft qu\u1ea3n \u0111\u00e3 d\u00f9ng trong ch\u1eefa tr\u1ecb l\u00e2m s\u00e0ng th\u00e0nh c\u00f4ng. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00e1c lo\u1ea1i huy\u1ebft qu\u1ea3n nh\u00e2n t\u1ea1o ti\u1ebfp t\u1ee5c ra \u0111\u1eddi ng\u00e0y c\u00e0ng nhi\u1ec1u. V\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ec3 ch\u1ebf t\u1ea1o huy\u1ebft qu\u1ea3n nh\u00e2n t\u1ea1o ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng, n\u1ebfu b\u1ed1 tr\u00ed l\u00e1c \u0111\u00e1c c\u00e1c nh\u00f3m \u01b0a n\u01b0\u1edbc v\u00e0 k\u1ef5 n\u01b0\u1edbc xen k\u1ebd trong m\u1ea1ch cao ph\u00e2n t\u1eed s\u1ebd t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eafc m\u1ea1ch m\u00e1u l\u00ean nhi\u1ec1u. \u0110\u1ec3 t\u1ea1o \u0111\u01b0\u1ee3c lo\u1ea1i cao ph\u00e2n t\u1eed c\u00f3 ki\u1ec3u c\u1ea5u tr\u00fac n\u00e0y, ng\u01b0\u1eddi ta \u0111\u00e3 ngh\u0129 \u0111\u1ebfn bi\u1ec7n ph\u00e1p d\u00f9ng c\u00e1c cao ph\u00e2n t\u1eed c\u00f3 hai lo\u1ea1i ph\u00e2n t\u1eed h\u1ee3p th\u00e0nh tr\u1edf l\u00ean \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u1ed3ng tr\u00f9ng h\u1ee3p. \u0110\u1ea1i bi\u1ec3u cho lo\u1ea1i v\u1eadt li\u1ec7u ki\u1ec3u n\u00e0y l\u00e0 s\u1ea3n ph\u1ea9m \u0111\u1ed3ng tr\u00f9ng h\u1ee3p do polyeste amit, pomiate etyl ch\u1ee9a nh\u00f3m \u01b0a n\u01b0\u1edbc v\u00e0 poly – 2 – metyl silicon c\u00f3 ch\u1ee9a nh\u00f3m k\u1ef5 n\u01b0\u1edbc t\u1ea1o n\u00ean. Ngo\u00e0i ra c\u00f2n c\u00f3 s\u1ea3n ph\u1ea9m \u0111\u1ed3ng tr\u00f9ng h\u1ee3p do phenyletylen v\u00e0 polynitril t\u1ea1o ra.<\/p>\n\n\n\n
Ngo\u00e0i vi\u1ec7c d\u00f9ng v\u1eadt li\u1ec7u cao ph\u00e2n t\u1eed \u0111\u1ec3 ch\u1ebf t\u1ea1o huy\u1ebft qu\u1ea3n, ng\u00e0y nay ng\u01b0\u1eddi ta c\u00f2n d\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y \u0111\u1ec3 ch\u1ebf t\u1ea1o tim ph\u1ed5i nh\u00e2n t\u1ea1o, kh\u00ed qu\u1ea3n nh\u00e2n t\u1ea1o, m\u0169i nh\u00e2n t\u1ea1o, x\u01b0\u01a1ng nh\u00e2n t\u1ea1o, da nh\u00e2n t\u1ea1o, c\u01a1 b\u1eafp nh\u00e2n t\u1ea1o\u2026 Tr\u1eeb b\u1ed9 n\u00e3o, d\u1ea1 d\u00e0y c\u00f9ng c\u00e1c c\u01a1 quan ti\u1ebft c\u00e1c hocmon, h\u1ea7u nh\u01b0 \u0111\u1ea1i b\u1ed9 ph\u1eadn c\u01a1 th\u1ec3 ng\u01b0\u1eddi c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o b\u1eb1ng v\u1eadt li\u1ec7u cao ph\u00e2n t\u1eed t\u1ed5ng h\u1ee3p.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Huy\u1ebft qu\u1ea3n nh\u00e2n t\u1ea1o.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi c\u00f3 m\u1ea1ng huy\u1ebft qu\u1ea3n ph\u00e2n b\u1ed1 kh\u1eafp c\u01a1 th\u1ec3. M\u00e1u theo huy\u1ebft qu\u1ea3n tu\u1ea7n ho\u00e0n trong kh\u1eafp ng\u01b0\u1eddi v\u00e0 nu\u00f4i s\u1ed1ng con ng\u01b0\u1eddi. N\u1ebfu huy\u1ebft qu\u1ea3n b\u1ecb v\u1ee1, m\u00e1u c\u00f3 th\u1ec3 ch\u1ea3y th\u1ea5m ra ngo\u00e0i g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t huy\u1ebft. C\u00f3 l\u00fac c\u00f3 \u0111o\u1ea1n huy\u1ebft qu\u1ea3n kh\u00e1 l\u1edbn n\u00e0o \u0111\u00f3 b\u1ecb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-7892","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7892"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7892\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}