M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft cu\u1ed9c s\u1ed1ng con ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi v\u1edbi m\u00e1u. Khi b\u1ecb th\u01b0\u01a1ng ho\u1eb7c khi qua ph\u1eabu thu\u1eadt th\u01b0\u1eddng b\u1ecb m\u1ea5t nhi\u1ec1u m\u00e1u, vi\u1ec7c ti\u1ebfp m\u00e1u l\u00e0 m\u1ed9t vi\u1ec7c l\u00e0m kh\u00f4ng th\u1ec3 thi\u1ebfu. Hi\u1ec7n t\u1ea1i m\u00e1u d\u00f9ng \u0111\u1ec3 ti\u1ebfp m\u00e1u ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u01a1 th\u1ec3 nh\u1eefng ng\u01b0\u1eddi kho\u1ebb m\u1ea1nh. Nh\u01b0ng khi g\u1eb7p c\u00e1c thi\u00ean tai ho\u1eb7c trong th\u1eddi k\u1ef3 chi\u1ebfn tranh th\u00ec m\u00e1u th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 cung c\u1ea5p. V\u00ec v\u1eady c\u00e1c nh\u00e0 khoa h\u1ecdc hy v\u1ecdng qua con \u0111\u01b0\u1eddng t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c “m\u00e1u nh\u00e2n t\u1ea1o”. Ban \u0111\u1ea7u, m\u00e1u nh\u00e2n t\u1ea1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u00e2m s\u00e0ng l\u00e0 lo\u1ea1i h\u1ee3p ch\u1ea5t cao ph\u00e2n t\u1eed gi\u00e0u ch\u1ea5t \u0111\u01b0\u1eddng. Nh\u01b0ng c\u00e1c lo\u1ea1i m\u00e1u nh\u00e2n t\u1ea1o n\u00e0y kh\u00f4ng th\u1ec3 cung c\u1ea5p oxy c\u0169ng nh\u01b0 kh\u00f4ng th\u1ec3 th\u1ea3i cacbon \u0111ioxit trong m\u00e1u t\u1ef1 nhi\u00ean m\u00e0 ch\u1ec9 l\u00e0m nhi\u1ec7m v\u1ee5 b\u1ed5 sung dinh d\u01b0\u1ee1ng, v\u00ec v\u1eady ph\u1ea1m vi s\u1eed d\u1ee5ng h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n
M\u1ed9t s\u1ef1 ki\u1ec7n ng\u1eabu nhi\u00ean \u0111\u00e3 m\u1edf c\u00e1nh c\u1eeda hy v\u1ecdng cho ng\u01b0\u1eddi nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o m\u00e1u nh\u00e2n t\u1ea1o. M\u00f9a thu n\u0103m 1956, m\u1ed9t nh\u00e0 sinh h\u1ecdc \u1edf tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc t\u1ea1i bang Alabama, trong khi l\u00e0m th\u00ed nghi\u1ec7m \u0111\u00e3 kh\u00f4ng c\u1ea9n th\u1eadn n\u00ean \u0111\u1ec3 m\u1ed9t con chu\u1ed9t th\u00ed nghi\u1ec7m r\u01a1i v\u00e0o b\u00ecnh \u0111\u1ef1ng cacbon florua ho\u00e0 tan ch\u1ea5t ma tu\u00fd. Sau m\u1ea5y gi\u1edd con chu\u1ed9t t\u01b0\u1edfng \u0111\u00e3 ch\u1ebft ng\u1ea1t, nh\u01b0ng n\u00f3 v\u1eabn s\u1ed1ng b\u00ecnh th\u01b0\u1eddng. Sau nhi\u1ec1u l\u1ea7n th\u00ed nghi\u1ec7m nh\u00e0 khoa h\u1ecdc t\u00ecm th\u1ea5y cacbon florua c\u00f3 th\u1ec3 ho\u00e0 tan nhi\u1ec1u v\u00e0 nhanh oxy, gi\u1ea3i ph\u00f3ng \u0111\u01b0\u1ee3c cacbon \u0111ioxit. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n gi\u1ed1ng c\u00f4ng n\u0103ng c\u1ee7a m\u00e1u ng\u01b0\u1eddi. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y g\u00e2y s\u1ef1 ch\u00fa \u00fd c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf nhi\u1ec1u n\u01b0\u1edbc. M\u1ed9t b\u00e1c s\u0129 ng\u01b0\u1eddi Nh\u1eadt \u0111\u00e3 t\u1eeb nhi\u1ec1u h\u1ee3p ch\u1ea5t cacbon florua, ch\u1ecdn ra m\u1ed9t h\u1ee3p ch\u1ea5t kh\u00f4ng \u0111\u1ed9c v\u1edbi c\u01a1 th\u1ec3 ng\u01b0\u1eddi \u0111\u1ec3 l\u00e0m th\u00ed nghi\u1ec7m, v\u00e0 t\u00ecm th\u1ea5y n\u00f3 c\u00f3 th\u1ec3 mang \u0111\u1ebfn oxy v\u00e0 th\u1ea3i \u0111i cacbon \u0111ioxit. V\u00e0o n\u0103m 1979, ng\u01b0\u1eddi ta \u0111\u00e3 d\u00f9ng lo\u1ea1i h\u1ee3p ch\u1ea5t cacbon florua \u0111\u1ec3 l\u00e0m ch\u1ebf ph\u1ea9m thay th\u1ebf m\u00e1u, l\u00e0m th\u00ed nghi\u1ec7m tr\u00ean l\u00e2m s\u00e0ng \u0111\u1ea7u ti\u00ean cho m\u1ed9t b\u1ec7nh nh\u00e2n m\u1ea5t m\u00e1u nghi\u00eam tr\u1ecdng v\u00e0 \u0111\u00e3 thu \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng. T\u1eeb \u0111\u00f3 “m\u00e1u nh\u00e2n t\u1ea1o” c\u00f3 c\u00f4ng n\u0103ng \u0111\u1eb7c th\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00e0nh c\u00f4ng cho h\u01a1n 100 b\u1ec7nh nh\u00e2n trong khi ti\u1ebfn h\u00e0nh ph\u1eabu thu\u1eadt.<\/p>\n\n\n\n
\u1ede Trung Qu\u1ed1c, ng\u01b0\u1eddi ta \u0111\u00e3 l\u1ea7n \u0111\u1ea7u nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o “m\u00e1u t\u1ed5ng h\u1ee3p” v\u00e0o nh\u1eefng n\u0103m 80 c\u1ee7a th\u1ebf k\u1ef7 XX. Lo\u1ea1i m\u00e1u nh\u00e2n t\u1ea1o n\u00e0y \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb h\u1ed7n h\u1ee3p c\u1ee7a florua h\u1eefu c\u01a1 v\u00e0 h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1.<\/p>\n\n\n\n
Tr\u00f4ng b\u00ean ngo\u00e0i lo\u1ea1i m\u00e1u n\u00e0y c\u00f3 m\u00e0u tr\u1eafng s\u1eefa n\u00ean \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “m\u00e1u tr\u1eafng”.<\/p>\n\n\n\n
Lo\u1ea1i m\u00e1u m\u00e0u tr\u1eafng c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m m\u00e0 m\u00e1u t\u1ef1 nhi\u00ean kh\u00f4ng c\u00f3. Do m\u00e1u t\u1ed5ng h\u1ee3p l\u00e0 s\u1ea3n ph\u1ea9m ch\u1ebf t\u1ea1o c\u00f4ng nghi\u1ec7p n\u00ean r\u1ea5t b\u1ec1n, l\u1ea1i \u0111\u01b0\u1ee3c tr\u1ea3i qua qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng nghi\u00eam ng\u1eb7t n\u00ean kh\u00f4ng mang theo b\u1ea5t k\u1ef3 lo\u1ea1i vi khu\u1ea9n g\u00e2y b\u1ec7nh n\u00e0o, kh\u00f4ng l\u00e0m lan truy\u1ec1n d\u1ecbch b\u1ec7nh. Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t m\u00e1u nh\u00e2n t\u1ea1o v\u1edbi quy m\u00f4 l\u1edbn, c\u00f3 th\u1ec3 b\u1ea3o qu\u1ea3n trong nhi\u1ec1u n\u0103m. C\u00f2n m\u00e1u t\u1ef1 nhi\u00ean ch\u1ec9 c\u00f3 th\u1ec3 b\u1ea3o qu\u1ea3n \u1edf 4\u00b0C trong v\u00f2ng 2 – 3 tu\u1ea7n.<\/p>\n\n\n\n
\u0110\u01b0\u01a1ng nhi\u00ean m\u00e1u nh\u00e2n t\u1ea1o c\u0169ng c\u00f3 nhi\u1ec1u nh\u01b0\u1ee3c \u0111i\u1ec3m: m\u00e1u nh\u00e2n t\u1ea1o kh\u00f4ng \u0111\u00f4ng, kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng mi\u1ec5n d\u1ecbch, n\u00ean cho \u0111\u1ebfn nay m\u00e1u nh\u00e2n t\u1ea1o v\u1eabn ch\u01b0a thay th\u1ebf ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c m\u00e1u t\u1ef1 nhi\u00ean. \u0110\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang nghi\u00ean c\u1ee9u l\u1ee3i d\u1ee5ng k\u1ef9 thu\u1eadt di truy\u1ec1n \u0111\u1ec3 lai t\u1ea1o m\u00e1u nh\u00e2n t\u1ea1o; \u0111em gen ng\u01b0\u1eddi c\u1ea5y v\u00e0o thai l\u1ee3n sau \u0111\u00f3 l\u1ea5y m\u00e1u l\u1ee3n \u0111\u1ec3 thay protein h\u1ed3ng c\u1ea7u. B\u1eb1ng c\u00e1ch n\u00e0y m\u00e1u nh\u00e2n t\u1ea1o d\u1ea7n d\u1ea7n ti\u1ebfp c\u1eadn v\u1edbi m\u00e1u t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: M\u00e1u nh\u00e2n t\u1ea1o; M\u00e1u.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft cu\u1ed9c s\u1ed1ng con ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi v\u1edbi m\u00e1u. Khi b\u1ecb th\u01b0\u01a1ng ho\u1eb7c khi qua ph\u1eabu thu\u1eadt th\u01b0\u1eddng b\u1ecb m\u1ea5t nhi\u1ec1u m\u00e1u, vi\u1ec7c ti\u1ebfp m\u00e1u l\u00e0 m\u1ed9t vi\u1ec7c l\u00e0m kh\u00f4ng th\u1ec3 thi\u1ebfu. Hi\u1ec7n t\u1ea1i m\u00e1u d\u00f9ng \u0111\u1ec3 ti\u1ebfp m\u00e1u ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u01a1 th\u1ec3 nh\u1eefng ng\u01b0\u1eddi kho\u1ebb m\u1ea1nh. […]<\/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-8156","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\/8156","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=8156"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8156\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}