{"id":27527,"date":"2020-04-29T16:16:00","date_gmt":"2020-04-29T09:16:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27527"},"modified":"2021-11-09T11:28:54","modified_gmt":"2021-11-09T04:28:54","slug":"khu-doc-pfas-bang-cam-bien-kich-thuoc-bang-con-chip","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/khu-doc-pfas-bang-cam-bien-kich-thuoc-bang-con-chip\/","title":{"rendered":"Kh\u1eed \u0111\u1ed9c PFAS b\u1eb1ng c\u1ea3m bi\u1ebfn k\u00edch th\u01b0\u1edbc b\u1eb1ng con chip"},"content":{"rendered":"\n

Ph\u00f2ng th\u00ed nghi\u1ec7m qu\u1ed1c gia T\u00e2y B\u1eafc Th\u00e1i B\u00ecnh D\u01b0\u01a1ng (PNNL) \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p s\u00e1ng ch\u1ebf v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p di \u0111\u1ed9ng ph\u00e1t hi\u1ec7n ch\u00ednh x\u00e1c m\u1ed9t l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i t\u1ed3n l\u01b0u c\u1ef1c nh\u1ecf t\u00edch t\u1ee5 trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

\"\"\/<\/figure><\/div>\n\n\n\n

Per- v\u00e0 polyfluoroalkyl (PFAS) l\u00e0 c\u00e1c h\u00f3a ch\u1ea5t nh\u00e2n t\u1ea1o nguy hi\u1ec3m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 \u0111\u1ed3 ch\u1ed1ng d\u00ednh, qu\u1ea7n \u00e1o kh\u00f4ng th\u1ea5m n\u01b0\u1edbc, bao b\u00ec th\u1ef1c ph\u1ea9m v\u00e0 b\u1ecdt ch\u1eefa ch\u00e1y v\u00ec ch\u00fang ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 d\u1ea7u. C\u00e1c ch\u1ea5t n\u00e0y kh\u00f4ng b\u1ecb ph\u00e1 v\u1ee1 m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o nhanh \u0111\u1ec3 ph\u00e1 h\u1ee7y ch\u00fang. Nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u00e3 thi\u1ebft l\u1eadp m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa PFAS trong m\u00f4i tr\u01b0\u1eddng trong m\u1ed9t th\u1eddi gian d\u00e0i v\u1edbi cholesterol t\u0103ng, b\u00e9o ph\u00ec, h\u1ec7 mi\u1ec5n d\u1ecbch suy gi\u1ea3m, r\u1ed1i lo\u1ea1n n\u1ed9i ti\u1ebft, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 tuy\u1ebfn gi\u00e1p v\u00e0 ung th\u01b0.<\/p>\n\n\n\n

M\u1ee9c PFAS an to\u00e0n cho s\u1ee9c kh\u1ecfe theo khuy\u1ebfn c\u00e1o c\u1ee7a li\u00ean bang l\u00e0 70 ph\u1ea7n ngh\u00ecn t\u1ef7, g\u1ea7n b\u1eb1ng m\u1ed9t h\u1ea1t mu\u1ed1i trong 1.000 gallon n\u01b0\u1edbc. M\u1ed9t s\u1ed1 ti\u1ec3u bang Hoa K\u1ef3 th\u1eadm ch\u00ed c\u00f2n \u0111\u1ec1 ra m\u1ee9c \u0111\u1ed9 nghi\u00eam ng\u1eb7t h\u01a1n, l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ee9c \u0111\u00f3. H\u00e0m l\u01b0\u1ee3ng PFAS r\u1ea5t th\u1ea5p n\u00ean c\u00e1c m\u1eabu n\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ec3 \u0111o b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch r\u1ea5t nh\u1ea1y. Kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t hi\u1ec7n v\u00e0 \u0111o l\u01b0\u1eddng s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a PFAS m\u1ed9t c\u00e1ch nhanh ch\u00f3ng t\u1ea1i ngu\u1ed3n khi\u1ebfn vi\u1ec7c x\u1eed l\u00fd tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i PNNL c\u00f9ng v\u1edbi Vi\u1ec7n C\u00f4ng ngh\u1ec7 New Jersey (NJIT) \u0111\u00e3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf \u0111\u1ec3 \u0111o nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c h\u00e0m l\u01b0\u1ee3ng axit perfluorooctanesulfonic (PFOS), m\u1ed9t lo\u1ea1i PFAS. C\u1ea3m bi\u1ebfn lab-on-a-chip \u0111\u1ed9c quy\u1ec1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n m\u1ee9c PFOS th\u1ea5p h\u01a1n hai b\u1eadc so v\u1edbi m\u1ee9c khuy\u1ebfn c\u00e1o an to\u00e0n c\u1ee7a li\u00ean bang cho s\u1ee9c kh\u1ecfe l\u00e0 0,5 ph\u1ea7n ngh\u00ecn t\u1ef7. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u01b0a t\u1eebng c\u00f3 v\u00e0 thu\u1eadn ti\u1ec7n \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u01b0\u1ee3ng PFOS r\u1ea5t nh\u1ecf trong n\u01b0\u1edbc m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, t\u1ea1i ch\u1ed7 v\u00e0 trong th\u1eddi gian th\u1ef1c. Thi\u1ebft b\u1ecb \u0111\u1ee7 nh\u1ecf v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ee7 nhanh \u0111\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u \u0111o l\u01b0\u1eddng t\u1ea1i \u0111i\u1ec3m s\u1eed d\u1ee5ng. Ngo\u00e0i ra, PNNL \u0111ang m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb trong vi\u1ec7c ph\u00e1t hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m PFAS nh\u01b0 PFOA, PFBA, PFBS v\u00e0 GenX trong nhi\u1ec1u ngu\u1ed3n n\u01b0\u1edbc ng\u1ea7m kh\u00e1c nhau.<\/p>\n\n\n\n

“Nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y, bao g\u1ed3m x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng, n\u01b0\u1edbc \u0111\u00f4 th\u1ecb, s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed v\u00e0 qu\u1ed1c ph\u00f2ng<\/em>“, Allan Tu\u1ea5n, gi\u00e1m \u0111\u1ed1c th\u01b0\u01a1ng m\u1ea1i h\u00f3a PNNL cho bi\u1ebft. “\u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 th\u00fa v\u1ecb \u0111\u1ec3 nhanh ch\u00f3ng ph\u00e1t hi\u1ec7n v\u00e0 \u0111o l\u01b0\u1eddng PFOS v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c<\/em>“.<\/p>\n\n\n\n

N.P.D (NASATI)<\/em><\/p>\n\n\n\n

theo\u00a0https:\/\/phys.org\/news\/2020-04-toxic-pfas-chip-sized-sensor.html<\/a>, 22\/4\/2020<\/em><\/p>\n\n\n\n

https:\/\/www.vista.gov.vn\/news\/khoa-hoc-y-duoc\/khu-doc-pfas-bang-cam-bien-kich-thuoc-bang-con-chip-2374.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Ph\u00f2ng th\u00ed nghi\u1ec7m qu\u1ed1c gia T\u00e2y B\u1eafc Th\u00e1i B\u00ecnh D\u01b0\u01a1ng (PNNL) \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p s\u00e1ng ch\u1ebf v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p di \u0111\u1ed9ng ph\u00e1t hi\u1ec7n ch\u00ednh x\u00e1c m\u1ed9t l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i t\u1ed3n l\u01b0u c\u1ef1c nh\u1ecf t\u00edch t\u1ee5 trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng. Per- v\u00e0 polyfluoroalkyl (PFAS) l\u00e0 c\u00e1c h\u00f3a ch\u1ea5t nh\u00e2n t\u1ea1o […]<\/p>\n","protected":false},"author":25,"featured_media":29809,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-27527","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\/27527","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27527"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27527\/revisions"}],"predecessor-version":[{"id":29810,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27527\/revisions\/29810"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/29809"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}