B\u1ea1n h\u00e3y t\u1ef1 xem x\u00e9t k\u1ef9 m\u1eb7t sau c\u1ee7a t\u1ea5m g\u01b0\u01a1ng soi. B\u1ea1n s\u1ebd th\u1ea5y ch\u00ednh l\u00e0 m\u00e0u s\u00e1ng l\u1ea5p lo\u00e1ng c\u1ee7a l\u1edbp b\u1ea1c. Th\u1ebf ph\u00eda sau t\u1ea5m g\u01b0\u01a1ng \u0111\u01b0\u1ee3c m\u1ea1 b\u1eb1ng g\u00ec? C\u00f3 ng\u01b0\u1eddi g\u1ecdi \u0111\u00f3 l\u00e0 b\u1ea1c, c\u00f3 ng\u01b0\u1eddi b\u1ea3o \u0111\u00f3 l\u00e0 thu\u1ef7 ng\u00e2n. V\u1eady th\u00ec ai n\u00f3i \u0111\u00fang? V\u00e0o bu\u1ed5i \u0111\u1ea7u \u0111\u1ec3 l\u00e0m ra t\u1ea5m g\u01b0\u01a1ng, ng\u01b0\u1eddi ta d\u00e1n l\u00e1 thi\u1ebfc l\u00ean m\u1eb7t g\u01b0\u01a1ng sau \u0111\u00f3 tr\u1ea3i ti\u1ebfp m\u1ed9t l\u1edbp thu\u1ef7 ng\u00e2n. Do thu\u1ef7 ng\u00e2n r\u1ea5t d\u1ec5 ho\u00e0 tan thi\u1ebfc n\u00ean s\u1ebd t\u1ea1o n\u00ean m\u1ed9t l\u1edbp thi\u1ebfc – thu\u1ef7 ng\u00e2n s\u00e1ng \u00f3ng \u00e1nh m\u00e0u b\u1ea1c \u0111\u00f3 l\u00e0 l\u1edbp tr\u00e1ng “thi\u1ebfc – thu\u1ef7 ng\u00e2n”. L\u1edbp tr\u00e1ng thi\u1ebfc – thu\u1ef7 ng\u00e2n b\u00e1m r\u1ea5t ch\u1eafc tr\u00ean g\u01b0\u01a1ng v\u00e0 ta s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c m\u1ed9t t\u1ea5m g\u01b0\u01a1ng soi.<\/p>\n\n\n\n
L\u00e0m g\u01b0\u01a1ng soi theo ki\u1ec3u n\u00e0y th\u1eadt nhi\u00eau kh\u00ea, t\u1ed1n c\u1ea3 th\u00e1ng tr\u1eddi. V\u1ea3 l\u1ea1i thu\u1ef7 ng\u00e2n l\u1ea1i r\u1ea5t \u0111\u1ed9c, m\u1eb7t g\u01b0\u01a1ng t\u1ea1o \u0111\u01b0\u1ee3c c\u0169ng kh\u00f4ng th\u1eadt s\u00e1ng.<\/p>\n\n\n\n
Ng\u00e0y nay g\u01b0\u01a1ng soi ph\u1ea7n l\u1edbn \u0111\u01b0\u1ee3c tr\u1ea3i m\u1ed9t l\u1edbp b\u1ea1c m\u1ecfng. Vi\u1ec7c tr\u1ea3i l\u1edbp b\u1ea1c n\u00e0y \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea3n \u1ee9ng l\u00fd th\u00fa trong ho\u00e1 h\u1ecdc: “Ph\u1ea3n \u1ee9ng tr\u00e1ng g\u01b0\u01a1ng”. N\u1ebfu th\u1ea5y h\u1ee9ng th\u00fa, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m th\u1eed. B\u1ea1n l\u1ea5y 1 \u1ed1ng nghi\u1ec7m s\u1ea1ch, cho v\u00e0o \u0111\u00f3 2ml dung d\u1ecbch b\u1ea1c nitrat 2%, sau \u0111\u00f3 th\u00eam v\u00e0o \u1ed1ng nghi\u1ec7m dung d\u1ecbch amoniac 5% t\u1eebng gi\u1ecdt m\u1ed9t, cho \u0111\u1ebfn khi k\u1ebft t\u1ee7a m\u00e0u tr\u1eafng h\u00ecnh th\u00e0nh b\u1ecb tan ho\u00e0n to\u00e0n v\u1edbi 1 gi\u1ecdt dung d\u1ecbch amoniac th\u00ec ng\u1eebng l\u1ea1i. Cu\u1ed1i c\u00f9ng th\u00eam v\u00e0o 2ml dung d\u1ecbch glucoza 10%. L\u1eafc \u0111\u1ec1u h\u1ed7n h\u1ee3p. Ng\u00e2m \u1ed1ng nghi\u1ec7m v\u00e0o n\u01b0\u1edbc n\u00f3ng 60 – 80\u00b0C. M\u1ed9t l\u00fac sau tr\u00ean th\u00e0nh \u1ed1ng nghi\u1ec7m s\u1ebd xu\u1ea5t hi\u1ec7n l\u1edbp b\u1ea1c kim lo\u1ea1i s\u00e1ng l\u1ea5p l\u00e1nh. Nh\u01b0 v\u1eady ta \u0111\u00e3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c l\u1edbp b\u1ea1c tr\u00ean thu\u1ef7 tinh.<\/p>\n\n\n\n
\u0110\u00f3 ch\u00ednh l\u00e0 do glucoza l\u00e0 m\u1ed9t ch\u1ea5t kh\u1eed, c\u00f3 th\u1ec3 kh\u1eed ion b\u1ea1c trong mu\u1ed1i b\u1ea1c nitrat th\u00e0nh b\u1ea1c kim lo\u1ea1i l\u1eafng xu\u1ed1ng v\u00e0 b\u00e1m v\u00e0o th\u00e0nh thu\u1ef7 tinh \u1ed1ng nghi\u1ec7m. Ngo\u00e0i \u0111\u01b0\u1eddng glucoza, trong c\u00e1c c\u00f4ng x\u01b0\u1edfng ng\u01b0\u1eddi ta c\u00f2n d\u00f9ng an\u0111ehyt fomic (c\u00f2n g\u1ecdi l\u00e0 fomalin), thi\u1ebfc clorua\u2026 l\u00e0m ch\u1ea5t kh\u1eed. \u0110\u1ec3 cho g\u01b0\u01a1ng \u0111\u01b0\u1ee3c b\u1ec1n, sau khi tr\u00e1ng b\u1ea1c ng\u01b0\u1eddi ta ch\u1ebf t\u1ea1o l\u1edbp s\u01a1n b\u1ea3o v\u1ec7 m\u00e0u \u0111\u1ecf. Nh\u1edd \u0111\u00f3 l\u1edbp b\u1ea1c s\u1ebd kh\u00f4ng b\u1ecb tr\u00f3c v\u00e0 r\u01a1i ra.<\/p>\n\n\n\n
C\u00f3 ng\u01b0\u1eddi n\u00f3i “sau m\u1eb7t g\u01b0\u01a1ng l\u00e0 thu\u1ef7 ng\u00e2n, s\u1edd tay v\u00e0o s\u1ebd b\u1ecb ng\u1ed9 \u0111\u1ed9c”. Th\u1ef1c ra th\u00ec \u0111\u00e3 t\u1eeb h\u01a1n 300 n\u0103m v\u1ec1 tr\u01b0\u1edbc, ng\u01b0\u1eddi ta \u0111\u00e3 d\u00f9ng “ph\u1ea3n \u1ee9ng tr\u00e1ng g\u01b0\u01a1ng” \u0111\u1ec3 ch\u1ebf t\u1ea1o g\u01b0\u01a1ng soi. Ng\u00e0y nay h\u1ea7u nh\u01b0 to\u00e0n b\u1ed9 g\u01b0\u01a1ng \u0111\u1ec1u l\u00e0 g\u01b0\u01a1ng m\u1ea1 b\u1ea1c. G\u01b0\u01a1ng m\u1ea1 thu\u1ef7 ng\u00e2n ch\u1ec9 c\u00f3 \u1edf c\u00e1c vi\u1ec7n b\u1ea3o t\u00e0ng. G\u1ea7n \u0111\u00e2y \u0111\u00e3 xu\u1ea5t hi\u1ec7n lo\u1ea1i “g\u01b0\u01a1ng nh\u00f4m” l\u1edbp ph\u00eda sau m\u1eb7t g\u01b0\u01a1ng l\u00e0 l\u1edbp nh\u00f4m m\u1ecfng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: G\u01b0\u01a1ng soi; Ph\u1ea3n \u1ee9ng tr\u00e1ng g\u01b0\u01a1ng.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
B\u1ea1n h\u00e3y t\u1ef1 xem x\u00e9t k\u1ef9 m\u1eb7t sau c\u1ee7a t\u1ea5m g\u01b0\u01a1ng soi. B\u1ea1n s\u1ebd th\u1ea5y ch\u00ednh l\u00e0 m\u00e0u s\u00e1ng l\u1ea5p lo\u00e1ng c\u1ee7a l\u1edbp b\u1ea1c. Th\u1ebf ph\u00eda sau t\u1ea5m g\u01b0\u01a1ng \u0111\u01b0\u1ee3c m\u1ea1 b\u1eb1ng g\u00ec? C\u00f3 ng\u01b0\u1eddi g\u1ecdi \u0111\u00f3 l\u00e0 b\u1ea1c, c\u00f3 ng\u01b0\u1eddi b\u1ea3o \u0111\u00f3 l\u00e0 thu\u1ef7 ng\u00e2n. V\u1eady th\u00ec ai n\u00f3i \u0111\u00fang? V\u00e0o bu\u1ed5i \u0111\u1ea7u \u0111\u1ec3 […]<\/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-7998","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\/7998","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=7998"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7998\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}