{"id":128826,"date":"2023-09-18T10:24:54","date_gmt":"2023-09-18T02:24:54","guid":{"rendered":"https:\/\/www.alpapowder.com\/128826\/"},"modified":"2023-09-18T10:24:55","modified_gmt":"2023-09-18T02:24:55","slug":"anh-huong-cua-cong-nghe-nghien-sieu-min-den-bot-sinh-hoc","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/128826\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ebfn b\u1ed9t sinh h\u1ecdc"},"content":{"rendered":"

\"\"<\/p>\n

C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn cho b\u1ed9t ng\u00e0y c\u00e0ng m\u1edf r\u1ed9ng. Do s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a b\u1ed9t nh\u01b0 k\u00edch th\u01b0\u1edbc h\u1ea1t ng\u00e0y c\u00e0ng cao h\u01a1n. C\u00e1c lo\u1ea1i b\u1ed9t \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ea7n thi\u1ebft th\u01b0\u1eddng c\u00f3 th\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ed1t h\u01a1n v\u00e0 gi\u00e1 tr\u1ecb gia t\u0103ng cho s\u1ea3n ph\u1ea9m. C\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 cao hi\u1ec7n \u0111\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong th\u1ef1c ph\u1ea9m, y h\u1ecdc c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c v\u00e0 c\u00e1c l\u0129nh v\u1ef1c ch\u1ebf bi\u1ebfn kh\u00e1c.<\/p>\n

 <\/p>\n

C\u00f4ng ngh\u1ec7 m\u00e0i si\u00eau m\u1ecbn<\/p>\n

C\u00f4ng ngh\u1ec7 m\u00e0i si\u00eau m\u1ecbn c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb nh\u1eefng n\u0103m 1970. N\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd m\u1edbi s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u01a1 h\u1ecdc nh\u01b0 va \u0111\u1eadp, va ch\u1ea1m, c\u1eaft, m\u00e0i, ph\u00e2n t\u00e1n, ph\u00e2n lo\u1ea1i v\u00e0 ph\u1ee7 b\u1ec1 m\u1eb7t \u0111\u1ec3 nghi\u1ec1n n\u00e1t v\u1eadt li\u1ec7u \u0111\u1ebfn m\u1ee9c micron; c\u1ee5 th\u1ec3 l\u00e0 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y m\u00f3c Ho\u1eb7c c\u00f4ng ngh\u1ec7 v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 k\u1ebft d\u00ednh b\u00ean trong c\u1ee7a ch\u1ea5t r\u1eafn v\u00e0 nghi\u1ec1n n\u00e1t v\u1eadt li\u1ec7u 0,5-5mm th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn c\u00f3 \u0111\u01b0\u1eddng k\u00ednh d\u01b0\u1edbi 10\u03bcm.<\/p>\n

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C\u00e1c lo\u1ea1i c\u00f4ng ngh\u1ec7 m\u00e0i si\u00eau m\u1ecbn<\/p>\n

Hi\u1ec7n nay, c\u00f3 hai lo\u1ea1i c\u00f4ng ngh\u1ec7 micron h\u00f3a: ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n v\u1eadt l\u00fd v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n v\u1eadt l\u00fd bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p pha r\u1eafn, ph\u01b0\u01a1ng ph\u00e1p pha l\u1ecfng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p pha kh\u00ed. Ch\u00fang ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o ho\u1ea1t \u0111\u1ed9ng c\u01a1 h\u1ecdc c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng d\u1ee5ng nh\u01b0 m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n va \u0111\u1eadp, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c v\u00e0 m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn rung t\u1ea7n s\u1ed1 cao ho\u1eb7c s\u1eed d\u1ee5ng \u00e1p su\u1ea5t cao, t\u1ed1c \u0111\u1ed9 cao. N\u0103ng l\u01b0\u1ee3ng c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed l\u00e0m cho c\u00e1c h\u1ea1t v\u1eadt li\u1ec7u t\u1ea1o ra l\u1ef1c va ch\u1ea1m, ma s\u00e1t m\u1ea1nh v\u1edbi nhau, t\u1eeb \u0111\u00f3 l\u00e0m n\u00e1t v\u1eadt li\u1ec7u. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 chi ph\u00ed th\u1ea5p v\u00e0 s\u1ea3n l\u01b0\u1ee3ng cao, l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf b\u1ed9t si\u00eau m\u1ecbn. Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc s\u1eed d\u1ee5ng c\u00e1c ph\u00e2n t\u1eed, ion v\u00e0 nguy\u00ean t\u1eed \u0111\u1ec3 t\u1ed5ng h\u1ee3p th\u00eam c\u00e1c lo\u1ea1i b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc micron, k\u00edch th\u01b0\u1edbc d\u01b0\u1edbi micron ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 nano. Tuy nhi\u00ean, s\u1ea3n l\u01b0\u1ee3ng th\u1ea5p, chi ph\u00ed x\u1eed l\u00fd cao v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng h\u1eb9p.<\/p>\n

 <\/p>\n

Nguy\u00ean l\u00fd m\u00e0i si\u00eau m\u1ecbn<\/p>\n

\u0110\u1ed1i v\u1edbi vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c d\u01b0\u1ee3c li\u1ec7u v\u00e0 th\u1ef1c ph\u1ea9m t\u1ed1t cho s\u1ee9c kh\u1ecfe c\u1ee7a Trung Qu\u1ed1c, n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn \u1edf c\u1ea5p \u0111\u1ed9 t\u1ebf b\u00e0o (g\u1ecdi t\u1eaft l\u00e0 ph\u00e1 v\u1ee1 th\u00e0nh t\u1ebf b\u00e0o). Ph\u00e1 v\u1ee1 t\u1ebf b\u00e0o \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng nghi\u1ec1n nh\u1eb1m m\u1ee5c \u0111\u00edch ph\u00e1 v\u1ee1 th\u00e0nh t\u1ebf b\u00e0o c\u1ee7a nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt.<\/p>\n

Nghi\u1ec1n si\u00eau m\u1ecbn d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc c\u00f4ng ngh\u1ec7 micron. V\u1edbi qu\u00e1 tr\u00ecnh si\u00eau micron h\u00f3a c\u00e1c ch\u1ea5t, s\u1ef1 s\u1eafp x\u1ebfp ph\u00e2n t\u1eed b\u1ec1 m\u1eb7t, c\u1ea5u tr\u00fac ph\u00e2n b\u1ed1 electron v\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a ch\u00fang \u0111\u1ec1u thay \u0111\u1ed5i, d\u1eabn \u0111\u1ebfn c\u00e1c hi\u1ec7u \u1ee9ng b\u1ec1 m\u1eb7t, hi\u1ec7u \u1ee9ng k\u00edch th\u01b0\u1edbc nh\u1ecf, hi\u1ec7u \u1ee9ng l\u01b0\u1ee3ng t\u1eed v\u00e0 hi\u1ec7u \u1ee9ng \u0111\u01b0\u1eddng h\u1ea7m l\u01b0\u1ee3ng t\u1eed v\u0129 m\u00f4 m\u00e0 v\u1eadt li\u1ec7u kh\u1ed1i (d\u1ea1ng h\u1ea1t) kh\u00f4ng c\u00f3, do \u0111\u00f3 t\u1ea1o ra So v\u1edbi c\u00e1c h\u1ea1t v\u0129 m\u00f4, c\u00e1c s\u1ea3n ph\u1ea9m si\u00eau m\u1ecbn c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c \u0111\u1eb7c t\u00ednh giao di\u1ec7n v\u1eadt l\u00fd, h\u00f3a h\u1ecdc v\u00e0 b\u1ec1 m\u1eb7t tuy\u1ec7t v\u1eddi.<\/p>\n

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\u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ebfn b\u1ed9t sinh h\u1ecdc<\/p>\n

C\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn x\u1eed l\u00fd nguy\u00ean li\u1ec7u th\u00f4 th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn th\u00f4ng qua va ch\u1ea1m, va ch\u1ea1m, nghi\u1ec1n v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n v\u1eadt li\u1ec7u kh\u00e1c, do \u0111\u00f3 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, h\u00f3a h\u1ecdc v\u00e0 ch\u1ee9c n\u0103ng c\u1ea5u tr\u00fac c\u1ee7a ch\u00fang c\u00f3 nh\u1eefng thay \u0111\u1ed5i nh\u1ea5t \u0111\u1ecbnh, bao g\u1ed3m c\u1ea3 k\u00edch th\u01b0\u1edbc h\u1ea1t cao c\u1ee7a nguy\u00ean li\u1ec7u b\u1ed9t. Ph\u00e2n lo\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 thay \u0111\u1ed5i ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t.<\/p>\n

(1) T\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ebfn vi\u1ec7c chi\u1ebft xu\u1ea5t ho\u1ea1t ch\u1ea5t t\u1eeb \u200b\u200bb\u1ed9t: c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 h\u00f2a tan c\u1ee7a ho\u1ea1t ch\u1ea5t, ch\u1ea5t dinh d\u01b0\u1ee1ng, nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4. B\u1eb1ng c\u00e1ch so s\u00e1nh t\u1ed1c \u0111\u1ed9 h\u00f2a tan c\u1ee7a b\u1ed9t m\u1ecbn Astragalus v\u00e0 b\u1ed9t si\u00eau m\u1ecbn b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f2a tan trong \u1ed1ng nghi\u1ec7m, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng \u0111\u1ed9 h\u00f2a tan c\u1ee7a Astragalus polysacarit c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t; t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ebfn c\u00e1c ho\u1ea1t ch\u1ea5t c\u1ee7a Rhodiola rosea, Ganoderma lucidum v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u.<\/p>\n

(2) \u1ea2nh h\u01b0\u1edfng c\u1ee7a vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ebfn kh\u1ea3 d\u1ee5ng sinh h\u1ecdc c\u1ee7a b\u1ed9t: t\u0103ng c\u01b0\u1eddng ti\u00eau h\u00f3a v\u00e0 h\u1ea5p thu trong c\u01a1 th\u1ec3, c\u1ea3i thi\u1ec7n kh\u1ea3 d\u1ee5ng sinh h\u1ecdc v\u00e0 c\u1ea3i thi\u1ec7n vi\u1ec7c s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m. C\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn c\u00f3 th\u1ec3 gi\u1eef l\u1ea1i c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh sinh h\u1ecdc c\u1ee7a h\u1ea1t b\u1ed9t.<\/p>\n

(3) T\u00e1c \u0111\u1ed9ng c\u1ee7a nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ebfn \u0111\u1eb7c t\u00ednh x\u1eed l\u00fd b\u1ed9t: c\u1ea3i thi\u1ec7n \u0111\u1eb7c t\u00ednh x\u1eed l\u00fd c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4, t\u0103ng kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u v\u00e0 ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean. Nghi\u00ean c\u1ee9u cho th\u1ea5y r\u1eb1ng nghi\u1ec1n si\u00eau m\u1ecbn c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1ed9 trong su\u1ed1t v\u00e0 hi\u1ec7u su\u1ea5t l\u1eafng trong khi gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 cao hi\u1ec7n \u0111\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong th\u1ef1c ph\u1ea9m, y h\u1ecdc c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c v\u00e0 c\u00e1c l\u0129nh v\u1ef1c ch\u1ebf bi\u1ebfn kh\u00e1c.<\/p>\n","protected":false},"author":7,"featured_media":128787,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-128826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128826"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=128826"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128826\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/128787"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=128826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=128826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=128826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}