{"id":13889,"date":"2023-12-10T10:12:19","date_gmt":"2023-12-10T10:12:19","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13889"},"modified":"2023-12-10T10:12:19","modified_gmt":"2023-12-10T10:12:19","slug":"electron-microscopy-color-imaging","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/microscopy\/electron-microscopy-color-imaging\/","title":{"rendered":"K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed: \u0110\u01b0a m\u00e0u s\u1eafc v\u00e0o th\u1ebf gi\u1edbi nano"},"content":{"rendered":"<h2 class=\"wp-block-heading\">K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed: Mang m\u00e0u s\u1eafc \u0111\u1ebfn th\u1ebf gi\u1edbi nano<\/h2>\n\n<h2 class=\"wp-block-heading\">Gi\u1edbi thi\u1ec7u<\/h2>\n\n<p>K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc quan s\u00e1t c\u00e1c v\u1eadt th\u1ec3 \u1edf c\u1ea5p \u0111\u1ed9 nano. Tuy nhi\u00ean, k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed th\u00f4ng th\u01b0\u1eddng t\u1ea1o ra h\u00ecnh \u1ea3nh \u0111en tr\u1eafng, c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c c\u1ea5u tr\u00fac t\u1ebf b\u00e0o kh\u00e1c nhau.<\/p>\n\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc California, San Diego \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 th\u00eam m\u00e0u s\u1eafc nh\u00e2n t\u1ea1o v\u00e0o h\u00ecnh \u1ea3nh k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed. K\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng b\u00ean trong t\u1ebf b\u00e0o.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u1ef9 thu\u1eadt ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n\n<p>K\u1ef9 thu\u1eadt m\u1edbi k\u1ebft h\u1ee3p k\u00ednh hi\u1ec3n vi quang h\u1ecdc v\u00e0 k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed. \u0110\u1ea7u ti\u00ean, c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng k\u00ednh hi\u1ec3n vi quang h\u1ecdc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ea5u tr\u00fac m\u00e0 h\u1ecd mu\u1ed1n l\u00e0m n\u1ed5i b\u1eadt. Sau \u0111\u00f3, h\u1ecd \u0111\u01b0a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf kim lo\u1ea1i \u0111\u1ea5t hi\u1ebfm v\u00e0o c\u00e1c c\u1ea5u tr\u00fac \u0111\u00f3.<\/p>\n\n<p>Ti\u1ebfp theo, h\u1ecd \u0111\u01b0a m\u1eabu v\u00e0o k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed. K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed b\u1eafn c\u00e1c electron v\u00e0o m\u00f4. M\u1ed9t s\u1ed1 electron \u0111i xuy\u00ean qua, trong khi nh\u1eefng electron kh\u00e1c va v\u00e0o v\u1eadt li\u1ec7u d\u00e0y h\u01a1n ho\u1eb7c n\u1eb7ng h\u01a1n v\u00e0 b\u1eadt tr\u1edf l\u1ea1i.<\/p>\n\n<p>M\u1ed9t s\u1ed1 electron \u0111\u1eadp v\u00e0o kim lo\u1ea1i \u0111\u1ea5t hi\u1ebfm v\u00e0 \u0111\u1ea9y m\u1ed9t electron \u1edf \u0111\u00f3 ra. \u0110i\u1ec1u n\u00e0y khi\u1ebfn electron b\u1ecb \u0111\u1ea9y ra ngo\u00e0i, c\u00f9ng v\u1edbi m\u1ed9t ch\u00fat n\u0103ng l\u01b0\u1ee3ng. N\u0103ng l\u01b0\u1ee3ng n\u00e0y l\u00e0 ri\u00eang bi\u1ec7t \u0111\u1ed1i v\u1edbi t\u1eebng kim lo\u1ea1i c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00e0 \u0111\u00e2y l\u00e0 th\u1ee9 m\u00e0 k\u00ednh hi\u1ec3n vi \u0111o \u0111\u01b0\u1ee3c. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ed5 n\u0103ng l\u01b0\u1ee3ng m\u1ea5t m\u00e1t electron.<\/p>\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a k\u1ef9 thu\u1eadt<\/h2>\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 ch\u1ee5p \u1ea3nh c\u00e1c c\u1ea5u tr\u00fac t\u1ebf b\u00e0o nh\u01b0 ph\u1ee9c h\u1ee3p Golgi, protein tr\u00ean m\u00e0ng sinh ch\u1ea5t v\u00e0 th\u1eadm ch\u00ed protein t\u1ea1i c\u00e1c kh\u1edbp th\u1ea7n kinh trong n\u00e3o.<\/p>\n\n<p>K\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u nhi\u1ec1u qu\u00e1 tr\u00ecnh sinh h\u1ecdc kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed c\u1ee7a protein b\u00ean trong t\u1ebf b\u00e0o<\/li>\n<li>S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c c\u1ea5u tr\u00fac t\u1ebf b\u00e0o kh\u00e1c nhau<\/li>\n<li>S\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 ti\u1ebfn tri\u1ec3n c\u1ee7a b\u1ec7nh t\u1eadt<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">L\u1ee3i \u00edch c\u1ee7a k\u1ef9 thu\u1eadt<\/h2>\n\n<p>K\u1ef9 thu\u1eadt m\u1edbi mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch so v\u1edbi k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed th\u00f4ng th\u01b0\u1eddng:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u00ecnh \u1ea3nh m\u00e0u s\u1eafc:<\/strong> K\u1ef9 thu\u1eadt n\u00e0y th\u00eam m\u00e0u s\u1eafc nh\u00e2n t\u1ea1o v\u00e0o h\u00ecnh \u1ea3nh k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed, gi\u00fap d\u1ec5 d\u00e0ng ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c c\u1ea5u tr\u00fac t\u1ebf b\u00e0o kh\u00e1c nhau.<\/li>\n<li><strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao:<\/strong> K\u1ef9 thu\u1eadt n\u00e0y cung c\u1ea5p h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc quan s\u00e1t c\u00e1c v\u1eadt th\u1ec3 \u1edf c\u1ea5p \u0111\u1ed9 nano.<\/li>\n<li><strong>T\u00ednh linh ho\u1ea1t:<\/strong> K\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ee5p \u1ea3nh nhi\u1ec1u lo\u1ea1i m\u1eabu sinh h\u1ecdc.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">So s\u00e1nh v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c<\/h2>\n\n<p>C\u00f3 nh\u1eefng k\u1ef9 thu\u1eadt kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p h\u00ecnh \u1ea3nh m\u00e0u t\u1eeb k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed. Tuy nhi\u00ean, c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf ri\u00eang.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed quang h\u1ecdc t\u01b0\u01a1ng quan:<\/strong> K\u1ef9 thu\u1eadt n\u00e0y y\u00eau c\u1ea7u hai h\u00ecnh \u1ea3nh kh\u00e1c nhau t\u1eeb hai k\u00ednh hi\u1ec3n vi kh\u00e1c nhau, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<li><strong>\u0110\u00e1nh d\u1ea5u mi\u1ec5n d\u1ecbch b\u1eb1ng v\u00e0ng:<\/strong> K\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra v\u1ebft nhu\u1ed9m kh\u00f4ng r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Di s\u1ea3n c\u1ee7a Roger Tsien<\/h2>\n\n<p>B\u00e0i b\u00e1o m\u00f4 t\u1ea3 k\u1ef9 thu\u1eadt m\u1edbi l\u00e0 b\u00e0i b\u00e1o cu\u1ed1i c\u00f9ng mang t\u00ean Roger Tsien, m\u1ed9t nh\u00e0 h\u00f3a h\u1ecdc t\u1eebng \u0111o\u1ea1t gi\u1ea3i Nobel \u0111\u00e3 qua \u0111\u1eddi v\u00e0o th\u00e1ng 8. Tsien \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng protein hu\u1ef3nh quang t\u1eeb s\u1ee9a \u0111\u1ec3 chi\u1ebfu s\u00e1ng c\u00e1c c\u1ea5u tr\u00fac t\u1ebf b\u00e0o.<\/p>\n\n<p>K\u1ef9 thu\u1eadt m\u1edbi l\u00e0 minh ch\u1ee9ng cho di s\u1ea3n \u0111\u1ed5i m\u1edbi c\u1ee7a Tsien trong l\u0129nh v\u1ef1c k\u00ednh hi\u1ec3n vi. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 th\u1ebf gi\u1edbi \u1edf c\u1ea5p \u0111\u1ed9 nano.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n<p>K\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 th\u00eam m\u00e0u s\u1eafc nh\u00e2n t\u1ea1o v\u00e0o h\u00ecnh \u1ea3nh k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong l\u0129nh v\u1ef1c k\u00ednh hi\u1ec3n vi. N\u00f3 c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng b\u00ean trong t\u1ebf b\u00e0o v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng hi\u1ec3u bi\u1ebft m\u1edbi v\u1ec1 nhi\u1ec1u qu\u00e1 tr\u00ecnh sinh h\u1ecdc kh\u00e1c nhau.<\/p>","protected":false},"excerpt":{"rendered":"<p>K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed: Mang m\u00e0u s\u1eafc \u0111\u1ebfn th\u1ebf gi\u1edbi nano Gi\u1edbi thi\u1ec7u K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4878],"tags":[2569,8082,8081,18700,99,740],"class_list":["post-13889","post","type-post","status-publish","format-standard","hentry","category-microscopy","tag-nanotechnology","tag-cellular-imaging","tag-electron-microscopy","tag-artificial-color","tag-lifescienceart","tag-biology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=13889"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13889\/revisions"}],"predecessor-version":[{"id":13890,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13889\/revisions\/13890"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=13889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=13889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=13889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}