{"id":4418,"date":"2024-06-10T03:03:37","date_gmt":"2024-06-10T03:03:37","guid":{"rendered":"http:\/\/biogroupvietnam-worldpress.local\/service\/comprehensive-nucleic-acid-quality-control-total-solutions-for-molecular-experiment-issues\/"},"modified":"2026-04-06T17:36:37","modified_gmt":"2026-04-06T10:36:37","slug":"kiem-soat-chat-luong-cua-mau-nucleic-acid","status":"publish","type":"service","link":"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/","title":{"rendered":"Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu nucleic acid | Gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n cho c\u00e1c th\u00ed nghi\u1ec7m sinh h\u1ecdc ph\u00e2n t\u1eed"},"content":{"rendered":"<p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu nucleic acid \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m sinh h\u1ecdc ph\u00e2n t\u1eed. Th\u00f4ng qua vi\u1ec7c t\u00edch h\u1ee3p\u00a0 m\u00e1y quang ph\u1ed5 vi th\u1ec3 t\u00edch (micro-volume spectrophotometer) v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n di mao d\u1eabn, vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u1ec1 n\u1ed3ng \u0111\u1ed9, \u0111\u1ed9 tinh khi\u1ebft v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu nucleic acid c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch ch\u1eb7t ch\u1ebd, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a c\u00e1c s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_chat_luong_nucleic_acid_gan_nhu_la_nen_tang_cho_cac_thu_nghiem_sinh_hoc_phan_tu\" >Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nucleic acid g\u1ea7n nh\u01b0 l\u00e0 n\u1ec1n t\u1ea3ng cho c\u00e1c th\u1eed nghi\u1ec7m sinh h\u1ecdc ph\u00e2n t\u1eed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_chat_luong_nong_do_va_do_tinh_sach_cua_mau_nucleic_acid_nhu_the_nao\" >Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a m\u1eabu nucleic acid nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_chat_luong_nong_do_DNARNA\" >Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u1ed3ng \u0111\u1ed9 DNA\/RNA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_do_tinh_sach_cua_DNA\" >Ki\u1ec3m so\u00e1t \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a DNA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_do_tinh_sach_cua_RNA\" >Ki\u1ec3m so\u00e1t \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a RNA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_chat_luong_cho_do_toan_ven_cua_mau_nucleic_acid_nhu_the_nao\" >Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng cho \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu nucleic acid nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_tinh_toan_ven_cua_phan_tu_DNA\" >Ki\u1ec3m so\u00e1t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ph\u00e2n t\u1eed DNA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/#Kiem_soat_tinh_toan_ven_cua_phan_tu_RNA\" >Ki\u1ec3m so\u00e1t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ph\u00e2n t\u1eed RNA<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_chat_luong_nucleic_acid_gan_nhu_la_nen_tang_cho_cac_thu_nghiem_sinh_hoc_phan_tu\"><\/span><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nucleic acid g\u1ea7n nh\u01b0 l\u00e0 n\u1ec1n t\u1ea3ng cho c\u00e1c th\u1eed nghi\u1ec7m sinh h\u1ecdc ph\u00e2n t\u1eed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng nucleic acid \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m ti\u1ebfp theo. M\u1eabu nucleic acid c\u00f3 n\u1ed3ng \u0111\u1ed9 cao, \u0111\u1ed9 tinh s\u1ea1ch cao v\u00e0 to\u00e0n v\u1eb9n, l\u00e0 m\u1ed9t \u0111i\u1ec1u ki\u1ec7n tuy\u1ec7t v\u1eddi cho c\u00e1c nghi\u00ean c\u1ee9u li\u00ean quan t\u1edbi sinh h\u1ecdc ph\u00e2n t\u1eed. \u0110\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 h\u00ecnh dung, \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi \u0111o\u1ea1n gen b\u1ea1n c\u1ea7n khu\u1ebfch \u0111\u1ea1i b\u1ecb \u0111\u1ee9t g\u00e3y, li\u1ec7u ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c khi n\u1ed3ng \u0111\u1ed9 DNA template qu\u00e1 \u00edt. Ph\u1ea3n \u1ee9ng PCR c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c kh\u00f4ng khi m\u1eabu ch\u1ee9a qu\u00e1 nhi\u1ec1u d\u01b0 l\u01b0\u1ee3ng phenol t\u1eeb qu\u00e1 tr\u00ecnh t\u00e1ch chi\u1ebft DNA. Nucleic acid m\u1ee5c ti\u00eau \u0111\u01b0\u1ee3c thu t\u1eeb c\u00e1c m\u1eabu m\u00f4, t\u1ebf b\u00e0o hay m\u1eabu vi sinh v\u1eadt, th\u00f4ng qua qu\u00e1 tr\u00ecnh tinh s\u1ea1ch v\u00e0 l\u00e0m gi\u00e0u. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m kh\u00e1c v\u1edbi nucleic acid, ch\u00fang ta c\u1ea7n ph\u1ea3i ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u1ec1 n\u1ed3ng \u0111\u1ed9, \u0111\u1ed9 tinh s\u1ea1ch hay t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu. C\u1ee5 th\u1ec3 h\u01a1n v\u1ec1 n\u1ed3ng \u0111\u1ed9 nucleic acid, nh\u01b0 ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111\u1ec3 ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 x\u1ea3y ra, c\u00e1c ch\u1ea5t ph\u1ea3i \u1edf m\u1ed9t n\u1ed3ng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. \u0110o n\u1ed3ng \u0111\u1ed9 c\u1ee7a nucleic acid trong m\u1eabu nh\u1eb1m ki\u1ec3m tra, m\u1eabu c\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u1ee7a th\u00ed nghi\u1ec7m hay kh\u00f4ng. \u0110\u1ed1i v\u1edbi \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a m\u1eabu, nh\u1eb1m x\u00e1c \u0111\u1ecbnh xem m\u1eabu c\u00f3 th\u1ec3 b\u1ecb t\u1ea1p nhi\u1ec5m b\u1edfi c\u00e1c nucleic acid kh\u00e1c, protein hay c\u00e1c ch\u1ea5t ho\u00e1 h\u1ecdc kh\u00e1c hay kh\u00f4ng. T\u00ednh to\u00e0n v\u1eb9n l\u00e0 \u0111\u00e1nh gi\u00e1 xem m\u1eabu nucleic acid c\u00f3 b\u1ecb h\u01b0 h\u1ea1i hay kh\u00f4ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_chat_luong_nong_do_va_do_tinh_sach_cua_mau_nucleic_acid_nhu_the_nao\"><\/span><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a m\u1eabu nucleic acid nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a nucleic acid c\u1ea7n ph\u1ea3i \u0111o \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb h\u1ea5p thu quang ph\u1ed5 \u1edf A230, A260 v\u00e0 A280 (cho n\u1ed3ng \u0111\u1ed9) v\u00e0 gi\u00e1 tr\u1ecb A260\/A280; A260\/A230 (cho \u0111\u1ed9 tinh s\u1ea1ch).<\/p>\n<p>Gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 quang ph\u1ed5 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua c\u00e1c m\u00e1y \u0111o quang ph\u1ed5. \u0110\u1ed1i v\u1edbi c\u00e1c m\u00e1y \u0111o quang ph\u1ed5 th\u00f4ng th\u01b0\u1eddng th\u00ec m\u1ed7i l\u1ea7n \u0111o c\u1ea7n t\u1ed1i thi\u1ec3u 100\u03bcl v\u00e0 \u00edt nh\u1ea5t l\u00e0 30 ph\u00fat \u0111\u1ec3 m\u00e1y kh\u1edfi \u0111\u1ed9ng tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n \u0111o m\u1eabu. Nh\u00ecn chung c\u00e1c thao t\u00e1c n\u00e0y kh\u00e1 r\u01b0\u1eddm r\u00e0 v\u00e0 ph\u1ea3i t\u1ed1n m\u1ed9t l\u01b0\u1ee3ng m\u1eabu r\u1ea5t l\u1edbn. Hi\u1ec7n nay, h\u1ea7u h\u1ebft c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111i\u1ec1u trang b\u1ecb M\u00e1y \u0111o quang ph\u1ed5 vi th\u1ec3 t\u00edch, n\u00f3 ch\u1ec9 y\u00eau c\u1ea7u l\u01b0\u1ee3ng m\u1eabu v\u00e0o kho\u1ea3ng 1 \u03bcl \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tinh s\u1ea1ch. Nh\u1eefng l\u1ea7n \u0111o ti\u1ebfp theo c\u0169ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng h\u01a1n b\u1eb1ng vi\u1ec7c v\u1ec7 sinh \u0111\u1ebf gi\u1eef m\u1eabu. <a href=\"https:\/\/biogroupvietnam.com\/vi\/san-pham\/may-do-quang-pho-vi-the-tich-uvvis-ezdrop-1000\/\">M\u00e1y \u0111o quang ph\u1ed5 vi th\u1ec3 t\u00edch (micro-volume) EzDrop 1000<\/a> l\u00e0 \u1ee9ng c\u1eed vi\u00ean s\u00e1ng gi\u00e1 cho qu\u00e1 tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a nucleic acid (DNA, RNA). B\u1ea1n ch\u1ec9 c\u1ea7n 3 gi\u00e2y \u0111\u1ec3 th\u1ef1c hi\u1ec7n xong ph\u00e9p \u0111o quang ph\u1ed5 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 tinh khi\u1ebft v\u00e0 n\u1ed3ng \u0111\u1ed9 nucleic acid c\u00f3 trong m\u1eabu. Kho\u1ea3ng \u0111o c\u1ee7a EzDrop 1000 kh\u00e1 r\u1ed9ng, t\u1eeb 190 \u0111\u1ebfn 1000nm. \u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t ti\u1ebfp theo, l\u00e0 ph\u1ea7n \u0111\u1ebf gi\u1eef m\u1eabu \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp nano c\u00f3 t\u00ednh k\u1ef5 n\u01b0\u1edbc, \u0111i\u1ec1u n\u00e0y nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 \u0111o. M\u00e1y EzDrop 1000 c\u00f2n c\u00f3 m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng, c\u00e1c thao t\u00e1c c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 nhanh ch\u00f3ng. EzDrop 1000 c\u00f3 th\u1ec3 gi\u00fap cho qu\u00e1 tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu nucleic acid c\u1ee7a b\u1ea1n tr\u1edf n\u00ean v\u00f4 c\u00f9ng d\u1ec5 d\u00e0ng.<\/p>\n<p style=\"text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter  wp-image-10083\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2026\/03\/ezdrop-1000.png\" alt=\"M\u00e1y \u0110o Quang Ph\u1ed5 Vi Th\u1ec3 T\u00edch EzDrop 1000\" width=\"355\" height=\"355\" srcset=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2026\/03\/ezdrop-1000.png 464w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2026\/03\/ezdrop-1000-300x300.png 300w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2026\/03\/ezdrop-1000-150x150.png 150w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2026\/03\/ezdrop-1000-450x450.png 450w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2026\/03\/ezdrop-1000-54x54.png 54w\" sizes=\"(max-width: 355px) 100vw, 355px\" \/><\/p>\n<p style=\"text-align: center;\"><i>M\u00e1y \u0111o quang ph\u1ed5 vi th\u1ec3 t\u00edch EzDrop 1000 (Micro-volume) (Ngu\u1ed3n: Blue-ray Biotech)<\/i><\/p>\n<p><img decoding=\"async\" class=\"aligncenter  wp-image-10247\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-scaled.jpg\" alt=\"Giao di\u1ec7n ch\u00ednh c\u1ee7a m\u00e1y EzDrop 1000\" width=\"543\" height=\"339\" srcset=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-scaled.jpg 2560w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-300x188.jpg 300w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-1024x640.jpg 1024w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-768x480.jpg 768w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-1536x960.jpg 1536w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-2048x1281.jpg 2048w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-600x375.jpg 600w, https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2024\/06\/giao-dien-chinh-cua-may-ezdrop-1000-86x54.jpg 86w\" sizes=\"(max-width: 543px) 100vw, 543px\" \/><\/p>\n<p style=\"text-align: center;\"><i>Giao di\u1ec7n ch\u00ednh c\u1ee7a m\u00e1y EzDrop 1000 (Ngu\u1ed3n: Blue-ray Biotech)<\/i><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_chat_luong_nong_do_DNARNA\"><\/span><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u1ed3ng \u0111\u1ed9 DNA\/RNA<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00fat \u201cNucleic Acid\u201d \u1edf giao di\u1ec7n ch\u00ednh c\u1ee7a m\u00e1y EzDrop 1000. \u1ea4n v\u00e0o n\u00fat n\u00e0y \u0111\u1ec3 \u0111o n\u1ed3ng \u0111\u1ed9 DNA hay RNA c\u1ee7a m\u1eabu. Sau khi c\u00e1c d\u1eef li\u1ec7u l\u01b0u tr\u01b0\u1edbc \u0111\u00f3 \u0111\u01b0\u1ee3c xo\u00e1, ti\u1ebfn h\u00e0nh n\u1ea1p 1-2 \u03bcl m\u1eabu v\u00e0o gi\u00e1 mang m\u1eabu. Sau 3 gi\u00e2y, m\u00e1y s\u1ebd hi\u1ec3n th\u1ecb n\u1ed3ng \u0111\u1ed9 m\u1eabu. B\u00ean c\u1ea1nh gi\u00e1 \u0111\u1ee1 m\u1eabu s\u1ebd c\u00f3 m\u1ed9t \u0111\u00e8n LED ph\u1ee5, nh\u1eb1m gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7i r\u01a1i r\u1edbt m\u1eabu. L\u1edbp nano k\u1ef5 n\u01b0\u1edbc ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t gi\u00e1 \u0111\u1ee1 gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ed9t ch\u1ea5t l\u1ecfng trong \u0111\u1ebf gi\u1eefa m\u1eabu, gi\u1ea3m l\u01b0\u1ee3ng m\u1eabu c\u00f2n s\u00f3t l\u1ea1i sau khi lo\u1ea1i b\u1ecf m\u1eabu kh\u1ecfi \u0111\u1ebf. C\u00e1c thi\u1ebft k\u1ebf n\u00e0y nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o c\u0169ng nh\u01b0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_do_tinh_sach_cua_DNA\"><\/span><strong>Ki\u1ec3m so\u00e1t \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a DNA<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ki\u1ec3m tra \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a DNA, ph\u01b0\u01a1ng ph\u00e1p \u0111o h\u1ea5p thu quang ph\u1ed5 vi th\u1ec3 t\u00edch x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a DNA b\u1eb1ng c\u00e1c d\u1ef1a v\u00e0o c\u00e1c t\u1ef7 l\u1ec7 A260\/230 v\u00e0 A260\/280. T\u1ef7 l\u1ec7 A260\/280 c\u1ee7a m\u1eabu DNA \u0111\u1ea1t 1,8-2,0 l\u00e0 m\u1eabu \u0111\u1ea1t \u0111\u1ed9 tinh s\u1ea1ch mong mu\u1ed1n. N\u1ebfu m\u1eabu ch\u1ee9a b\u1ea5t k\u1ef3 t\u1ea1p ch\u1ea5t protein hay phenol n\u00e0o th\u00ec t\u1ef7 l\u1ec7 n\u00e0y s\u1ebd b\u1ecb thay \u0111\u1ed5i. T\u1ef7 l\u1ec7 A260\/280 s\u1ebd gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 1,6 th\u00ec m\u1eabu c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c ch\u1ea5t t\u1ea1p nhi\u1ec5m nh\u01b0 protein hay phenol. Trong tr\u01b0\u1eddng h\u1ee3p t\u1ef7 l\u1ec7 A260\/280 l\u1edbn h\u01a1n 2, di\u1ec1u n\u00e0y cho th\u1ea5y RNA kh\u00f4ng b\u1ecb lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n ho\u1eb7c DNA h\u01b0 h\u1ea1i.<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2025\/09\/urRRNCE3bwWMmyGIpTeLFSktaeLzhJcAdgCmCQOT.png\" alt=\"Thi\u1ebft k\u1ebf \u0111\u00e8n h\u1ed7 tr\u1ee3 LED EzDrop 1000 v2\" width=\"758\" height=\"193\" \/><\/p>\n<p style=\"text-align: center;\"><i>Thi\u1ebft k\u1ebf \u0111\u00e8n h\u1ed7 tr\u1ee3 LED EzDrop 1000 v2 (Ngu\u1ed3n: Blue-ray Biotech)<\/i><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_do_tinh_sach_cua_RNA\"><\/span><strong>Ki\u1ec3m so\u00e1t \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a RNA<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 DNA, \u0111\u1ed9 tinh s\u1ea1ch c\u1ee7a RNA c\u0169ng \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u00f4ng qua m\u1ee9c \u0111\u1ed9 h\u1ea5p thu quang ph\u1ed5, c\u00e1c t\u1ef7 l\u1ec7 h\u1ea5p thu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u00e0 A260\/230 v\u00e0 A260\/280. Nh\u00ecn chung, t\u1ef7 l\u1ec7 A260\/280 n\u1eb1m trong kho\u1ea3ng 1,8~2,0 cho th\u1ea5y RNA c\u00f3 \u0111\u1ed9 tinh s\u1ea1ch cao. N\u1ebfu t\u1ef7 l\u1ec7 A260\/280 l\u1edbn h\u01a1n 2,0 th\u00ec ch\u1ee9ng t\u1ecf RNA \u0111\u00e3 b\u1ecb h\u01b0 h\u1ea1i. T\u1ef7 l\u1ec7 A260\/280 nh\u1ecf h\u01a1n 1,8 th\u00ec m\u1eabu ch\u1ee9a protein ho\u1eb7c c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c. Khi t\u1ef7 l\u1ec7 260\/230 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 2, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y trong m\u1eabu RNA c\u00f3 ch\u1ee9a t\u1ea1p ch\u1ea5t phenol ho\u1eb7c mu\u1ed1i.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2025\/09\/BiOL8alZiN5188pCgrXTttPZhFw7b74CDkddvlik.png\" alt=\"Giao di\u1ec7n \u0111o m\u1eabu DNA c\u1ee7a m\u00e1y EzDrop 1000\" width=\"598\" height=\"360\" \/><\/p>\n<p style=\"text-align: center;\"><i>Giao di\u1ec7n \u0111o m\u1eabu DNA c\u1ee7a m\u00e1y EzDrop 1000<\/i><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_chat_luong_cho_do_toan_ven_cua_mau_nucleic_acid_nhu_the_nao\"><\/span><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng cho \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu nucleic acid nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c sinh h\u1ecdc ph\u00e2n t\u1eed, ngo\u00e0i y\u00eau c\u1ea7u v\u1ec1 n\u1ed3ng \u0111\u1ed9 hay ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u1eabu ra th\u00ec m\u1ee9c \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu. V\u00ec v\u1eady, c\u00e1c thao t\u00e1c ki\u1ec3m tra \u0111\u00e1nh gi\u00e1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu r\u1ea5t c\u1ea7n thi\u1ebft. Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n di mao qu\u1ea3n l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu nucleic acid.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_tinh_toan_ven_cua_phan_tu_DNA\"><\/span><strong>Ki\u1ec3m so\u00e1t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ph\u00e2n t\u1eed DNA<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n di mao qu\u1ea3n l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh, ph\u1ea7n m\u1ec1m c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a DNA m\u1ed9t c\u00e1ch c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3. Ph\u1ea7n m\u1ec1m ph\u00e2n t\u00edch d\u1eef li\u1ec7u d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 h\u01b0 h\u1ea1i c\u1ee7a m\u1eabu v\u00e0 t\u1ef7 l\u1ec7 m\u1eabu v\u01b0\u1ee3t ng\u01b0\u1ee1ng y\u00eau c\u1ea7u, nh\u1eb1m \u0111\u01b0a ra gi\u00e1 tr\u1ecb DQN (DNA Quality Number). Gi\u00e1 tr\u1ecb DQN th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 10. Gi\u00e1 tr\u1ecb DQN c\u00e0ng cao bi\u1ec3u th\u1ecb \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu cao h\u01a1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu t\u1ed1t h\u01a1n.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2025\/09\/vmPm5zS2sRxBgmpNTpijvFO0Da0fjundcPJ7vcXD.png\" alt=\"So s\u00e1nh gi\u00e1 tr\u1ecb DQN c\u1ee7a 2 m\u1eabu gentic-DNA c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau\" width=\"795\" height=\"264\" \/><\/p>\n<p style=\"text-align: center;\"><i>So s\u00e1nh gi\u00e1 tr\u1ecb DQN c\u1ee7a 2 m\u1eabu gentic-DNA c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau (Ngu\u1ed3n: Blue-ray Biotech)<\/i><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kiem_soat_tinh_toan_ven_cua_phan_tu_RNA\"><\/span><strong>Ki\u1ec3m so\u00e1t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ph\u00e2n t\u1eed RNA<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Enzyme ribonuclease c\u00f3 g\u1ea7n nh\u01b0 \u1edf m\u1ecdi n\u01a1i, n\u00ean m\u1eabu RNA r\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb ph\u00e2n hu\u1ef7. RNA b\u1ecb ph\u00e2n hu\u1ef7 th\u00ec c\u00e1c b\u01b0\u1edbc th\u00ed nghi\u1ec7m ti\u1ebfp theo \u0111\u01b0\u1ee3c xem nh\u01b0 th\u1ea5t b\u1ea1i. Do \u0111\u00f3, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu RNA l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng. M\u1eabu RNA t\u1ed5ng s\u1ed1 c\u00f3 m\u1ee9c ph\u00e2n hu\u1ef7 th\u1ea5p (nh\u01b0 RNA t\u00e1ch chi\u1ebft t\u1eeb m\u00e1u v\u00e0 m\u00f4 t\u01b0\u01a1i), ph\u1ea7n m\u1ec1m c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n di mao qu\u1ea3n s\u1ebd hi\u1ec3n th\u1ecb th\u00f4ng s\u1ed1 gi\u00e1 tr\u1ecb s\u1ed1 l\u01b0\u1ee3ng RNA \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng (RNA quality number, RQN). Th\u00f4ng s\u1ed1 RQN s\u1ebd n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 10 d\u01b0a tr\u00ean t\u00ednh to\u00e0n v\u1eb9n v\u00e0 t\u1ef7 l\u1ec7 di\u1ec7n t\u00edch \u0111\u1ec9nh c\u1ee7a v\u00f9ng 18s v\u00e0 28s. Gi\u00e1 tr\u1ecb RQN c\u00e0ng cao bi\u1ec3u th\u1ecb t\u00ednh to\u00e0n v\u1eb9n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1eabu c\u00e0ng cao.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2025\/09\/e1S5oSCHDNlK9sc2669UNzRYBCALkWCpxadM0NZa.png\" alt=\"Gi\u00e1 tr\u1ecb RQN c\u1ee7a 2 m\u1eabu RNA c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau\" width=\"800\" height=\"275\" \/><\/p>\n<p style=\"text-align: center;\"><i>Gi\u00e1 tr\u1ecb RQN c\u1ee7a 2 m\u1eabu RNA c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau (Ngu\u1ed3n: Blue-ray Biotech)<\/i><\/p>\n<p>\u0110\u1ed1i v\u1edbi m\u1eabu RNA d\u1ec5 b\u1ecb ph\u00e2n hu\u1ef7 (nh\u01b0 RNA t\u00e1ch chi\u1ebft t\u1eeb FFPE, vi\u1ebft t\u1eaft t\u1eeb formalin-fixed, paraffin-embedded), 18s v\u00e0 28s th\u01b0\u1eddng g\u1ea7n nh\u01b0 b\u1ecb ph\u00e2n hu\u1ef7. Do \u0111\u00f3, s\u1eed d\u1ee5ng gi\u00e1 tr\u1ecb RQN trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p. Khi \u0111\u00f3, gi\u00e1 tr\u1ecb DV200 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 thay cho gi\u00e1 tr\u1ecb RQN, DV200 bi\u1ec3u th\u1ecb cho t\u1ef7 l\u1ec7 m\u1eabu RNA c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn 200nt v\u1ec1 chi\u1ec1u d\u00e0i. Gi\u00e1 tr\u1ecb DV200 c\u00e0ng cao th\u00ec ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu c\u00e0ng cao v\u00e0 \u0111\u1ed9 ph\u00e2n hu\u1ef7 c\u1ee7a m\u1eabu c\u00e0ng th\u1ea5p.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2025\/09\/Ytrd4744aCxPoMNLhTfdq4DgEy1xB2QDMp6fWoMD.png\" alt=\"Gi\u00e1 tr\u1ecb DV200 c\u1ee7a 2 m\u1eabu RNA c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau\" width=\"785\" height=\"268\" \/><\/p>\n<p style=\"text-align: center;\"><i>Gi\u00e1 tr\u1ecb DV200 c\u1ee7a 2 m\u1eabu RNA c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau (Ngu\u1ed3n: Blue-ray Biotech)<\/i><\/p>\n<p>T\u00f3m l\u1ea1i, t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng \u0111i\u1ec7n di mao qu\u1ea3n v\u00e0 m\u00e1y \u0111o quang ph\u1ed5 vi th\u1ec3 t\u00edch \u0111\u1ec3 ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9, \u0111\u1ed9 tinh s\u1ea1ch v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu nucleic acid. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap cho ch\u00fang ta c\u00f3 \u0111\u01b0\u1ee3c c\u00f4ng c\u1ee5 h\u1eefu hi\u1ec7u \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t m\u1eabu nucleic acid m\u1ed9t c\u00e1ch h\u1eefu hi\u1ec7u nh\u1ea5t v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t. \u0110\u1ed3ng th\u1eddi, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a c\u00e1c l\u1ed7i c\u00f3 th\u1ec3 m\u1eafc ph\u1ea3i khi th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m sinh h\u1ecdc ph\u00e2n t\u1eed.<\/p>\n<p><strong>NGU\u1ed2N THAM KH\u1ea2O\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Blue-Ray Biotech. (2024, January 16).\u00a0<\/span><i><span data-contrast=\"auto\">Comprehensive nucleic acid quality control: Total solutions for molecular experiment issues<\/span><\/i><span data-contrast=\"auto\">.\u00a0<\/span><a href=\"https:\/\/www.blue-raybio.com\/en\/blog\/Comprehensive-Nucleic-Acid-Quality-Control-Total-Solutions-for-Molecular-Experiment-Issues\"><span data-contrast=\"none\">https:\/\/www.blue-raybio.com\/en\/blog\/Comprehensive-Nucleic-Acid-Quality-Control-Total-Solutions-for-Molecular-Experiment-Issues<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n","protected":false},"featured_media":5912,"parent":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-4418","service","type-service","status-publish","has-post-thumbnail","hentry","service-category-giai-phap-thiet-bi-phong-lab"],"acf":[],"yoast_head":"<!-- This site is optimized with 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th\u1ec3 t\u00edch \u0111\u1ec3 ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9, \u0111\u1ed9 tinh s\u1ea1ch v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eabu nucleic acid.","og_url":"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/","og_site_name":"Biogroup Vietnam","article_modified_time":"2026-04-06T10:36:37+00:00","og_image":[{"width":699,"height":421,"url":"https:\/\/biogroupvietnam.com\/wp-content\/uploads\/2025\/08\/74iOSImr6gaOVYGkPZO3jlIrlP9IRMsCfpBoOHmM.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"11 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/","url":"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/kiem-soat-chat-luong-cua-mau-nucleic-acid\/","name":"Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu nucleic 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