D\u00f9ng c\u1ed3n \u0111\u1ec3 di\u1ec7t vi khu\u1ea9n l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c th\u00f4ng th\u01b0\u1eddng ai c\u0169ng bi\u1ebft. Nh\u01b0ng c\u00f3 \u0111i\u1ec1u l\u1ea1 l\u00e0 trong y d\u01b0\u1ee3c ng\u01b0\u1eddi ta ch\u1ec9 d\u00f9ng c\u1ed3n 75% m\u00e0 kh\u00f4ng d\u00f9ng c\u1ed3n tinh khi\u1ebft. C\u1ed3n tinh khi\u1ebft kh\u00f4ng di\u1ec7t \u0111\u01b0\u1ee3c vi khu\u1ea9n. V\u00ec sao v\u1eady?<\/p>\n\n\n\n
C\u1ed3n tinh khi\u1ebft c\u00f3 t\u00ean ho\u00e1 h\u1ecdc l\u00e0 r\u01b0\u1ee3u etylic (C2H5OH), c\u00f3 t\u00ednh th\u1ea9m th\u1ea5u r\u1ea5t m\u1ea1nh, c\u00f3 th\u1ec3 th\u1ea5m s\u00e2u v\u00e0o b\u00ean trong t\u1ebf b\u00e0o, l\u00e0m cho protein c\u1ee7a vi khu\u1ea9n b\u1ecb \u0111\u00f4ng c\u1ee9ng l\u1ea1i (trong ho\u00e1 h\u1ecdc ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 s\u1ef1 bi\u1ebfn t\u00ednh) l\u00e0m cho vi khu\u1ea9n m\u1ea5t ho\u1ea1t t\u00ednh v\u00e0 b\u1ecb ch\u1ebft. Khi d\u00f9ng c\u1ed3n tinh khi\u1ebft \u0111\u1ec3 di\u1ec7t khu\u1ea9n th\u00ec protein b\u1ecb bi\u1ebfn t\u00ednh qu\u00e1 nhanh, qu\u00e1 m\u1ea1nh, ch\u1ea5t protein \u1edf m\u1eb7t ngo\u00e0i c\u1ee7a t\u1ebf b\u00e0o s\u1ebd \u0111\u00f4ng c\u1ee9ng nhanh l\u00e0m th\u00e0nh m\u00e0ng c\u1ee9ng ng\u0103n kh\u00f4ng cho v\u00e0o b\u00ean trong t\u1ebf b\u00e0o, l\u00e0m cho c\u1ed3n kh\u00f4ng th\u1ec3 ti\u00eau di\u1ec7t \u0111\u01b0\u1ee3c vi khu\u1ea9n. Th\u1ef1c ra ch\u1ec9 ri\u00eang c\u1ed3n tinh khi\u1ebft, ho\u1eb7c n\u01b0\u1edbc tinh khi\u1ebft \u0111\u1ec1u kh\u00f4ng th\u1ec3 l\u00e0m bi\u1ebfn t\u00ednh protein. Ch\u1ec9 khi n\u01b0\u1edbc v\u00e0 c\u1ed3n \u0111\u1ed3ng th\u1eddi t\u1ed3n t\u1ea1i, dung d\u1ecbch c\u1ed3n m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn t\u00ednh protein. Protein l\u00e0 lo\u1ea1i ph\u00e2n t\u1eed l\u1edbn, c\u00f3 c\u1ea5u tr\u00fac r\u1ea5t ph\u1ee9c t\u1ea1p, do c\u00f3 c\u1ea5u tr\u00fac xo\u1eafn \u1ed1c m\u00e0 t\u1ea1o th\u00e0nh d\u1ea1ng h\u00ecnh h\u1ecdc x\u00e1c \u0111\u1ecbnh. N\u1ebfu c\u1ea5u tr\u00fac l\u1eadp th\u1ec3 c\u1ee7a protein b\u1ecb ph\u00e1 hu\u1ef7 th\u00ec r\u1ea5t kh\u00f3 quay v\u1ec1 tr\u1ea1ng th\u00e1i v\u1ed1n c\u00f3, n\u00ean s\u1ebd m\u1ea5t \u0111i ho\u1ea1t t\u00ednh sinh l\u00fd. Trong chu\u1ed7i d\u00e2y x\u00edch c\u1ee7a ph\u00e2n t\u1eed protein c\u00f3 nhi\u1ec1u t\u1eadp h\u1ee3p nh\u00f3m k\u1ef5 n\u01b0\u1edbc nh\u01b0ng c\u0169ng c\u00f3 nh\u00f3m g\u1ed1c \u01b0a n\u01b0\u1edbc l\u1ed9 ra ngo\u00e0i. Cho n\u00ean b\u00ean ngo\u00e0i ph\u00e2n t\u1eed protein r\u1ea5t \u01b0a n\u01b0\u1edbc, c\u00f3 kh\u1ea3 n\u0103ng h\u00ecnh th\u00e0nh dung d\u1ecbch keo trong n\u01b0\u1edbc. Gi\u1eefa b\u1ed9 ph\u1eadn k\u1ef5 n\u01b0\u1edbc \u1edf b\u00ean trong v\u00e0 b\u1ed9 ph\u1eadn \u01b0a n\u01b0\u1edbc c\u1ee7a ph\u00e2n t\u1eed protein v\u1eabn c\u00f3 m\u1ed9t l\u1ef1c h\u1ea5p d\u1eabn nh\u1ea5t \u0111\u1ecbnh, nh\u1edd \u0111\u00f3 c\u00f3 th\u1ec3 v\u1eeba c\u00f3 t\u00ednh b\u1ec1n nh\u01b0ng l\u1ea1i r\u1ea5t ho\u1ea1t \u0111\u1ed9ng. Mu\u1ed1n cho ph\u00e2n t\u1eed protein bi\u1ebfn t\u00ednh ph\u1ea3i l\u00e0m cho c\u00e1c ch\u1ed7 g\u1ea5p kh\u00fac, c\u00e1c xo\u1eafn \u1ed1c c\u1ee7a protein du\u1ed7i ra, m\u00e0 \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ph\u00e1 v\u1ee1 c\u00e1c ch\u1ed7 g\u1ea5p v\u00e0 c\u00e1c l\u1ef1c xo\u1eafn.<\/p>\n\n\n\n
Ph\u00e2n t\u1eed r\u01b0\u1ee3u etylic c\u00f3 hai \u0111\u1ea7u, m\u1ed9t \u0111\u1ea7u k\u1ef5 n\u01b0\u1edbc (- C6H5) c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a n\u1ed9i b\u1ed9 ph\u00e2n t\u1eed protein, m\u1ed9t \u0111\u1ea7u \u01b0a n\u01b0\u1edbc (- OH) nh\u01b0ng kh\u00f3 ph\u00e1 v\u1ee1 \u0111\u01b0\u1ee3c l\u1ef1c h\u1ea5p d\u1eabn gi\u1eefa c\u00e1c nh\u00f3m g\u1ed1c \u01b0a n\u01b0\u1edbc c\u1ee7a protein. M\u1eb7t kh\u00e1c, c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a c\u00e1c nh\u00f3m g\u1ed1c \u01b0a n\u01b0\u1edbc c\u1ee7a ph\u00e2n t\u1eed protein, nh\u01b0ng ph\u00e2n t\u1eed n\u01b0\u1edbc c\u0169ng kh\u00f4ng l\u00e0m y\u1ebfu \u0111\u01b0\u1ee3c l\u1ef1c h\u1ea5p d\u1eabn gi\u1eefa c\u00e1c nh\u00f3m g\u1ed1c k\u1ef5 n\u01b0\u1edbc c\u1ee7a ph\u00e2n t\u1eed protein. V\u00ec v\u1eady r\u01b0\u1ee3u tinh khi\u1ebft hay n\u01b0\u1edbc tinh khi\u1ebft \u0111\u1ec1u kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 l\u00e0m cho protein b\u00ean trong vi khu\u1ea9n bi\u1ebfn t\u00ednh. Ch\u1ec9 khi \u0111\u1ed3ng th\u1eddi t\u1ed3n t\u1ea1i r\u01b0\u1ee3u v\u00e0 n\u01b0\u1edbc, c\u00f9ng \u0111\u1ed3ng th\u1eddi t\u00e1c \u0111\u1ed9ng m\u1edbi l\u00e0m cho tr\u1ea1ng th\u00e1i h\u00ecnh h\u1ecdc c\u1ee7a chu\u1ed7i protein du\u1ed7i ra, protein m\u1edbi m\u1ea5t ho\u1ea1t t\u00ednh sinh l\u00fd. V\u00ec v\u1eady ch\u1ec9 khi n\u1ed3ng \u0111\u1ed9 c\u1ed3n trong n\u01b0\u1edbc \u0111\u1ea1t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh th\u00ec m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1t vi\u1ec7c di\u1ec7t vi khu\u1ea9n.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Bi\u1ebfn t\u00ednh protein.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
D\u00f9ng c\u1ed3n \u0111\u1ec3 di\u1ec7t vi khu\u1ea9n l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c th\u00f4ng th\u01b0\u1eddng ai c\u0169ng bi\u1ebft. Nh\u01b0ng c\u00f3 \u0111i\u1ec1u l\u1ea1 l\u00e0 trong y d\u01b0\u1ee3c ng\u01b0\u1eddi ta ch\u1ec9 d\u00f9ng c\u1ed3n 75% m\u00e0 kh\u00f4ng d\u00f9ng c\u1ed3n tinh khi\u1ebft. C\u1ed3n tinh khi\u1ebft kh\u00f4ng di\u1ec7t \u0111\u01b0\u1ee3c vi khu\u1ea9n. V\u00ec sao v\u1eady? C\u1ed3n tinh khi\u1ebft c\u00f3 t\u00ean ho\u00e1 h\u1ecdc l\u00e0 r\u01b0\u1ee3u […]<\/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-8164","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\/8164","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=8164"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8164\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}