{"id":26847,"date":"2021-05-14T16:25:10","date_gmt":"2021-05-14T09:25:10","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=26847"},"modified":"2022-02-10T08:34:06","modified_gmt":"2022-02-10T01:34:06","slug":"nghien-cuu-thanh-cong-nano-bac-diet-khuan-an-toan","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nghien-cuu-thanh-cong-nano-bac-diet-khuan-an-toan\/","title":{"rendered":"Nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng nano b\u1ea1c di\u1ec7t khu\u1ea9n an to\u00e0n"},"content":{"rendered":"\n

Nano b\u1ea1c s\u1ea1ch kh\u00f4ng c\u00f3 t\u1ea1p ch\u1ea5t s\u1eed d\u1ee5ng \u0111\u1ec3 di\u1ec7t khu\u1ea9n nh\u01b0 v\u1ea3i di\u1ec7t khu\u1ea9n, x\u1ecbt kh\u1eed tr\u00f9ng, kh\u1ea9u trang kh\u00e1ng khu\u1ea9n\u2026 \u0111\u01b0\u1ee3c PGS.TS \u0110\u00e0o Ng\u1ecdc Nhi\u1ec7m, Vi\u1ec7n Khoa h\u1ecdc V\u1eadt li\u1ec7u, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam v\u1eeba nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng.<\/strong><\/h2>\n\n\n\n

S\u1ea3n xu\u1ea5t nano b\u1ea1c<\/a> t\u1eeb b\u1ea1c kim lo\u1ea1i<\/strong><\/p>\n\n\n\n

PGS.TS \u0110\u00e0o Ng\u1ecdc Nhi\u1ec7m cho bi\u1ebft, b\u1ea1c l\u00e0 kim lo\u1ea1i c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng v\u00e0 ph\u1ed5 bi\u1ebfn trong \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi. T\u1eeb xa x\u01b0a, c\u00e1c v\u1eadt d\u1ee5ng nh\u01b0 b\u00ecnh, l\u1ecd… ph\u1ee7 b\u1ea1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ee9a n\u01b0\u1edbc v\u00e0 b\u1ea3o qu\u1ea3n r\u01b0\u1ee3u. Ng\u00e0y nay, kim lo\u1ea1i b\u1ea1c \u0111i\u1ec1u ch\u1ebf d\u01b0\u1edbi d\u1ea1ng nano \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c y t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u0103ng g\u1ea1c ph\u1ee7 nano b\u1ea1c, n\u01b0\u1edbc s\u00fac mi\u1ec7ng ch\u1ee9a nano b\u1ea1c, l\u00e0m li\u1ec1n c\u00e1c v\u1ebft th\u01b0\u01a1ng, s\u00e1t khu\u1ea9n. Trong n\u00f4ng nghi\u1ec7p nano b\u1ea1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eed tr\u00f9ng m\u00f4i tr\u01b0\u1eddng nu\u00f4i, ph\u00f2ng v\u00e0 ch\u1ed1ng b\u1ec7nh cho t\u00f4m, c\u00e1, l\u00e0m ph\u00e2n b\u00f3n vi l\u01b0\u1ee3ng…<\/p>\n\n\n\n

\u0110\u1ea1i d\u1ecbch Covid-19 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, nhu c\u1ea7u s\u1eed d\u1ee5ng nano b\u1ea1c ng\u00e0y c\u00e0ng nhi\u1ec1u. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t dung d\u1ecbch nano b\u1ea1c ph\u1ed5 bi\u1ebfn \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u01b0 kh\u1eed h\u00f3a h\u1ecdc, kh\u1eed dung d\u1ecbch AgNO3 b\u1edfi dung d\u1ecbch axit ascorbic t\u1ea1i nhi\u1ec7t \u0111\u1ed9 110 – 150\u00b0C \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 trong dung d\u1ecbch gelatin v\u00e0 t\u1ea1o ra nano b\u1ea1c c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb 5,10 – 124nm t\u00f9y theo n\u1ed3ng \u0111\u1ed9 c\u1ee7a dung d\u1ecbch AgNO3; Ph\u01b0\u01a1ng ph\u00e1p k\u00edch n\u1ed5 b\u1eb1ng \u0111i\u1ec7n \u00e1p cao; Ph\u01b0\u01a1ng ph\u00e1p \u0103n m\u00f2n vi s\u00f3ng\u2026 C\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00eau tr\u00ean c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0 chi ph\u00ed \u0111\u1ea7u t\u01b0 l\u1edbn, m\u1eb7c d\u00f9 d\u1ec5 s\u1ea3n xu\u1ea5t nh\u01b0ng dung d\u1ecbch nano b\u1ea1c t\u1ea1o ra l\u1ea1i kh\u00f3 kh\u1ed1ng ch\u1ebf c\u1ee1 h\u1ea1t, kh\u00f3 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t.<\/p>\n\n\n\n

Trong khi \u0111\u00f3, c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi y\u00eau c\u1ea7u v\u1eadt li\u1ec7u nano b\u1ea1c ph\u1ea3i c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t th\u1ea5p…  PGS.TS \u0110\u00e0o Ng\u1ecdc Nhi\u1ec7m v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p \u0111\u00e3 nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t dung d\u1ecbch nano b\u1ea1c ph\u00e2n t\u00e1n trong n\u01b0\u1edbc \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c. S\u00e1ng ch\u1ebf \u0111\u00e3 s\u1ea3n xu\u1ea5t th\u00e0nh c\u00f4ng dung d\u1ecbch nano b\u1ea1c t\u1eeb b\u1ea1c kim lo\u1ea1i c\u00f3 chi ph\u00ed \u0111\u1ea7u t\u01b0 th\u1ea5p do s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u01a1n gi\u1ea3n. Dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u, n\u1ed3ng \u0111\u1ed9 cao v\u00e0 d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh n\u1ed3ng \u0111\u1ed9. Ngo\u00e0i ra, l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t c\u00f2n d\u01b0 trong dung d\u1ecbch \u0111\u01b0\u1ee3c kh\u1ed1ng ch\u1ebf v\u00e0 x\u1eed l\u00fd \u0111\u1ebfn m\u1ee9c \u0111\u1ea1t chu\u1ea9n cho ph\u00e9p.<\/p>\n\n\n\n

X\u1ecbt khu\u1ea9n, v\u1ea3i di\u1ec7t khu\u1ea9n nano b\u1ea1c<\/strong><\/p>\n\n\n\n

PGS.TS \u0110\u00e0o Ng\u1ecdc Nhi\u1ec7m cho bi\u1ebft, nano b\u1ea1c sau khi \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m di\u1ec7t khu\u1ea9n kh\u00e1c nhau \u0111\u1ec3 ph\u00f2ng d\u1ecbch Covid-19. S\u1ea3n ph\u1ea9m x\u1ecbt s\u00e1t khu\u1ea9n nano b\u1ea1c c\u00f3 kh\u1ea3 n\u0103ng ti\u00eau di\u1ec7t virus<\/a>, vi khu\u1ea9n, b\u1ea5t ho\u1ea1t ch\u00fang tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c b\u1ec1 m\u1eb7t, ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng khi ti\u1ebfp x\u00fac \u1edf n\u01a1i \u0111\u00f4ng ng\u01b0\u1eddi, n\u01a1i c\u00f3 nguy c\u01a1 l\u00e2y lan d\u1ecbch b\u1ec7nh cao. X\u1ecbt khu\u1ea9n nano b\u1ea1c d\u00f9ng \u0111\u1ec3 v\u1ec7 sinh nhanh \u0111\u1ed3 ch\u01a1i d\u00e0nh cho c\u00e1c gia \u0111\u00ecnh c\u00f3 tr\u1ebb nh\u1ecf, tr\u01b0\u1eddng m\u1eabu gi\u00e1o. S\u1ea3n ph\u1ea9m kh\u00f4ng ch\u1ee9a c\u1ed3n, an to\u00e0n khi ti\u1ebfp x\u00fac v\u1edbi mi\u1ec7ng. Ngo\u00e0i ra c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng di\u1ec7t vi khu\u1ea9n, n\u1ea5m m\u1ed1c v\u00e0 kh\u1eed m\u00f9i h\u00f4i c\u1ee7a gi\u1ea7y d\u00e9p, m\u0169 b\u1ea3o hi\u1ec3m, xe h\u01a1i, n\u00f4i em b\u00e9, tay n\u1eafm c\u1eeda, b\u1ec1 m\u1eb7t v\u1eadt d\u1ee5ng, b\u00e0n ph\u00edm – m\u1eb7t b\u00e0n m\u00e1y t\u00ednh…<\/p>\n\n\n\n

Ph\u1ed5 \u1ee9ng d\u1ee5ng c\u1ee7a nano b\u1ea1c r\u1ea5t r\u1ed9ng, nano b\u1ea1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea9m v\u00e0o v\u1ea3i \u0111\u1ec3 di\u1ec7t khu\u1ea9n, ph\u00f9 h\u1ee3p s\u1eed d\u1ee5ng cho c\u00e1c khu v\u1ef1c c\u00e1ch ly, khu \u0111i\u1ec1u tr\u1ecb trong b\u1ec7nh vi\u1ec7n, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a kh\u1ea3 n\u0103ng l\u00e2y lan c\u1ee7a virus. Kh\u00f4ng nh\u1eefng th\u1ebf, ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c tri\u1ec3n khai s\u1ea3n xu\u1ea5t nano b\u1ea1c l\u00e0m nguy\u00ean li\u1ec7u s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c y t\u1ebf, b\u1ea3o qu\u1ea3n l\u01b0\u01a1ng th\u1ef1c, th\u1ef1c ph\u1ea9m, ch\u0103n nu\u00f4i, x\u1eed l\u00fd n\u01b0\u1edbc. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 chuy\u1ec3n giao quy tr\u00ecnh c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t nano b\u1ea1c cho C\u00f4ng ty C\u1ed5 ph\u1ea7n Khoa h\u1ecdc k\u1ef9 thu\u1eadt PT. Vi\u1ec7c ho\u00e0n thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t nano b\u1ea1c s\u1ea1ch n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u1edbn trong ph\u00f2ng ch\u1ed1ng d\u1ecbch Covid-19, b\u1ea3o \u0111\u1ea3m an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

TS Nguy\u1ec5n Thanh Tu\u1ea5n, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam cho bi\u1ebft, nano b\u1ea1c c\u00f3 kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n r\u1ea5t t\u1ed1t, nh\u01b0ng \u0111\u00f3 ph\u1ea3i l\u00e0 nano b\u1ea1c tinh khi\u1ebft. Nano b\u1ea1c tinh khi\u1ebft t\u1ee9c l\u00e0 kh\u00f4ng c\u00f3 t\u1ed3n d\u01b0 c\u00e1c t\u1ea1p ch\u1ea5t, h\u00f3a ch\u1ea5t, c\u00e1c lo\u1ea1i mu\u1ed1i b\u1ea1c t\u1ef1 do trong dung d\u1ecbch nano b\u1ea1c m\u00e0 ch\u1ec9 c\u00f3 c\u00e1c ion b\u1ea1c t\u1ed3n t\u1ea1i trong c\u00e1c h\u1ea1t nano, t\u1ef7 l\u1ec7 > 99%. Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 r\u1ea5t nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u0169ng ghi nano b\u1ea1c nh\u01b0ng l\u1ea1i g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 nano b\u1ea1c v\u00ec k\u00edch th\u01b0\u1edbc c\u00e1c ti\u1ec3u ph\u00e2n qu\u00e1 l\u1edbn \u0111\u1ec3 c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 h\u1ea1t nano, ho\u1eb7c c\u00f3 qu\u00e1 nhi\u1ec1u mu\u1ed1i b\u1ea1c trong \u0111\u00f3. Vi\u1ec7c s\u1eed d\u1ee5ng mu\u1ed1i b\u1ea1c \u0111\u1ec3 s\u00e1t khu\u1ea9n c\u0169ng c\u00f3 hi\u1ec7u qu\u1ea3 nh\u01b0ng r\u1ea5t nguy hi\u1ec3m v\u00ec ph\u1ea3i d\u00f9ng \u1edf n\u1ed3ng \u0111\u1ed9 cao, c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng r\u00e1t ni\u00eam m\u1ea1c, g\u00e2y \u0111\u1ed9c v\u1edbi c\u01a1 th\u1ec3, g\u00e2y b\u1ec7nh da xanh. Khi d\u00f9ng nano b\u1ea1c di\u1ec7t khu\u1ea9n<\/a>, ng\u01b0\u1eddi ti\u00eau d\u00f9ng th\u00f4ng th\u00e1i c\u1ea7n l\u1ef1a ch\u1ecdn c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn \u0111\u1ec3 kh\u00f4ng b\u1ecb \u201cti\u1ec1n m\u1ea5t t\u1eadt mang\u201d.<\/p>\n\n\n\n

B\u1ea2O KH\u00c1NH<\/strong><\/p>\n\n\n\n

https:\/\/khoahocdoisong.vn\/nghien-cuu-thanh-cong-nano-bac-diet-khuan-an-toan-169735.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Nano b\u1ea1c s\u1ea1ch kh\u00f4ng c\u00f3 t\u1ea1p ch\u1ea5t s\u1eed d\u1ee5ng \u0111\u1ec3 di\u1ec7t khu\u1ea9n nh\u01b0 v\u1ea3i di\u1ec7t khu\u1ea9n, x\u1ecbt kh\u1eed tr\u00f9ng, kh\u1ea9u trang kh\u00e1ng khu\u1ea9n\u2026 \u0111\u01b0\u1ee3c PGS.TS \u0110\u00e0o Ng\u1ecdc Nhi\u1ec7m, Vi\u1ec7n Khoa h\u1ecdc V\u1eadt li\u1ec7u, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam v\u1eeba nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng. S\u1ea3n xu\u1ea5t nano b\u1ea1c t\u1eeb b\u1ea1c kim lo\u1ea1i PGS.TS \u0110\u00e0o Ng\u1ecdc Nhi\u1ec7m cho […]<\/p>\n","protected":false},"author":23,"featured_media":26848,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26847"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26847\/revisions"}],"predecessor-version":[{"id":30967,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26847\/revisions\/30967"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26848"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}