{"id":25278,"date":"2020-06-26T09:24:29","date_gmt":"2020-06-26T02:24:29","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=25278"},"modified":"2021-11-08T21:53:17","modified_gmt":"2021-11-08T14:53:17","slug":"cua-so-thong-minh-tu-sang","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cua-so-thong-minh-tu-sang\/","title":{"rendered":"C\u1eeda s\u1ed5 th\u00f4ng minh t\u1ef1 s\u00e1ng"},"content":{"rendered":"\n

(khoahocdoisong.vn) – C\u1eeda s\u1ed5 th\u00f4ng minh, c\u00f2n g\u1ecdi l\u00e0 c\u1eeda s\u1ed5 \u0111\u1ed5i m\u1ea7u ho\u1eb7c k\u00ednh th\u00f4ng minh, thay \u0111\u1ed5i m\u00e0u s\u1eafc t\u00f9y theo c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi d\u1ef1a tr\u00ean c\u01a1 s\u1edf hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n h\u00f3a, v\u1eadt li\u1ec7u thay \u0111\u1ed5i m\u00e0u s\u1eafc (ho\u1eb7c chuy\u1ec3n t\u1eeb trong su\u1ed1t sang m\u1edd \u0111\u1ee5c) d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a \u0111i\u1ec7n \u00e1p.<\/strong><\/h2>\n\n\n\n

B\u1ed9 c\u1ed9ng h\u01b0\u1edfng P\u00e9rot Fabry <\/strong><\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc, d\u1eabn \u0111\u1ea7u l\u00e0 GS.TS Jun Suk Rho, thu\u1ed9c Khoa K\u1ef9 thu\u1eadt H\u00f3a h\u1ecdc, \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Pohang (POSTECH), Pohang, H\u00e0n Qu\u1ed1c<\/a> g\u1ea7n \u0111\u00e2y \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 c\u1eeda s\u1ed5 th\u00f4ng minh<\/a>, thay \u0111\u1ed5i m\u00e0u s\u1eafc theo s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a \u0111\u1ed9 \u1ea9m, kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n\n\n\n

C\u00e1c c\u1ea3m bi\u1ebfn d\u00f9ng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, t\u1eeb \u0111o nh\u1ecbp tim trong \u0111i\u1ec7n t\u00e2m \u0111\u1ed3, \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ho\u1eb7c kho\u1ea3ng c\u00e1ch.<\/p>\n\n\n\n

Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n d\u00f9ng ngu\u1ed3n \u00e1nh s\u00e1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i c\u1ee7a m\u00f4i tr\u01b0\u1eddng xung quanh l\u00e0 s\u1eed d\u1ee5ng s\u1ef1 chuy\u1ec3n \u0111\u1ed5i b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng th\u00e0nh t\u00edn hi\u1ec7u s\u1ed1, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch d\u00f9ng c\u00e1c c\u1ea5u tr\u00fac, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 c\u1ed9ng h\u01b0\u1edfng.<\/p>\n\n\n\n

Nhi\u1ec1u c\u1ea3m bi\u1ebfn t\u1eadn d\u1ee5ng hi\u1ec7u \u1ee9ng giao thoa Fabry-Perot, theo nguy\u00ean l\u00fd n\u00e0y nhi\u1ec1u ch\u00f9m \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 s\u1ebd giao thoa v\u1edbi nhau khi \u00e1nh s\u00e1ng chi\u1ebfu qua m\u1ed9t khoang kh\u00f4ng gian, gi\u1edbi h\u1ea1n b\u1edfi hai b\u1ec1 m\u1eb7t song song, t\u1ea1o ra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c m\u00e0ng m\u1ecfng. B\u01b0\u1edbc s\u00f3ng c\u1ed9ng h\u01b0\u1edfng c\u1ee7a \u00e1nh s\u00e1ng truy\u1ec1n qua c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c theo \u0111\u1ed9 d\u00e0y v\u00e0 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 l\u1edbp \u0111i\u1ec7n m\u00f4i.<\/p>\n\n\n\n

Tuy nhi\u00ean, c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7n nay kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c chi\u1ec1u d\u00e0i c\u00e1c b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng truy\u1ec1n qua, khi\u1ebfn nh\u1eefng c\u1ea3m bi\u1ebfn g\u1eb7p kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft th\u00e1ch th\u1ee9c n\u00e0y, nh\u00f3m nh\u00e0 khoa h\u1ecdc H\u00e0n Qu\u1ed1c ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng b\u1ed9 l\u1ecdc m\u00e0u thay \u0111\u1ed5i t\u1eeb b\u1ed9 c\u1ed9ng h\u01b0\u1edfng kim lo\u1ea1i \u2013 hydrogel- kim lo\u1ea1i, s\u1eed d\u1ee5ng polymer chitosan tr\u00ean c\u01a1 s\u1edf hydrogel l\u00e0m ch\u1ea5t \u0111i\u1ec7n m\u00f4i, k\u1ebft h\u1ee3p b\u1ed9 l\u1ecdc m\u00e0u v\u1edbi pin m\u1eb7t tr\u1eddi \u0111\u1ec3 t\u1ea1o ra c\u1ea3m bi\u1ebfn \u0111\u1ed9 \u1ea9m<\/a> t\u1ef1 c\u1ea5p ngu\u1ed3n.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u nh\u1eadn th\u1ea5y r\u1eb1ng khi chitosan hydrogel \u0111\u01b0\u1ee3c ch\u1ebf th\u00e0nh c\u1ea5u tr\u00fac m\u00e0ng m\u1ecfng kim lo\u1ea1i hydrogel, b\u01b0\u1edbc s\u00f3ng c\u1ed9ng h\u01b0\u1edfng c\u1ee7a \u00e1nh s\u00e1ng truy\u1ec1n qua v\u1eadt li\u1ec7u thay \u0111\u1ed5i theo th\u1eddi gian th\u1ef1c, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 \u1ea9m c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

M\u1ed9t b\u1ed9 c\u1ed9ng h\u01b0\u1edfng P\u00e9rot Fabry \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac kim lo\u1ea1i – c\u00e1ch \u0111i\u1ec7n – kim lo\u1ea1i, trong \u0111\u00f3 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n l\u00e0 chitosan hydrogel.<\/p>\n\n\n\n

Chitosan b\u1ecb ph\u1ed3ng l\u00ean ho\u1eb7c co l\u1ea1i theo nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111\u1ed9 \u1ea9m m\u00f4i tr\u01b0\u1eddng xung quanh; \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea5u tr\u00fac m\u00e0u s\u1eafc truy\u1ec1n qua k\u1ebft c\u1ea5u \u0111a l\u1edbp. B\u1ed9 c\u1ed9ng h\u01b0\u1edfng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u1ea3m bi\u1ebfn \u0111\u1ed9 \u1ea9m k\u1ebft h\u1ee3p v\u1edbi t\u1ebf b\u00e0o quang \u0111i\u1ec7n.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n qua t\u1ebf b\u00e0o quang \u0111i\u1ec7n cung c\u1ea5p ph\u00e9p \u0111o ch\u00ednh x\u00e1c nhanh ch\u00f3ng v\u1ec1 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc. Hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n h\u1ed3i kh\u00f4ng c\u1ea7n c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n, do \u0111\u00f3 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i c\u1ea3m bi\u1ebfn.<\/p>\n\n\n\n

\"\"
B\u1ed9 c\u1ed9ng h\u01b0\u1edfng \u00e1nh s\u00e1ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m k\u00ednh \u0111\u1ed5i m\u00e0u khi \u0111\u1ed9 \u1ea9m cao, tr\u1eddi m\u01b0a v\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ed9 \u1ea9m theo nguy\u00ean t\u1eafc kim lo\u1ea1i \u2013 hydrogel – kim lo\u1ea1i.<\/em> <\/figcaption><\/figure>\n\n\n\n

K\u1ebft h\u1ee3p pin m\u1eb7t tr\u1eddi v\u1edbi b\u1ed9 l\u1ecdc \u00e1nh s\u00e1ng<\/strong><\/p>\n\n\n\n

S\u1eed d\u1ee5ng c\u01a1 ch\u1ebf n\u00e0y, nh\u00f3m nh\u00e0 khoa h\u1ecdc H\u00e0n Qu\u1ed1c thi\u1ebft k\u1ebf v\u00e0 ph\u00e1t tri\u1ec3n m\u1ed9t c\u1ea3m bi\u1ebfn \u0111\u1ed9 \u1ea9m, c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng th\u00e0nh \u0111i\u1ec7n n\u0103ng b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c k\u1ebft h\u1ee3p pin m\u1eb7t tr\u1eddi v\u1edbi b\u1ed9 l\u1ecdc \u00e1nh s\u00e1ng bi\u1ebfn \u0111\u1ed5i b\u01b0\u1edbc s\u00f3ng l\u00e0m t\u1eeb v\u1eadt li\u1ec7u kim lo\u1ea1i \u2013 hydrogel – kim lo\u1ea1i c\u1ea5u tr\u00fac si\u00eau v\u1eadt li\u1ec7u,  thay \u0111\u1ed5i b\u01b0\u1edbc s\u00f3ng c\u1ed9ng h\u01b0\u1edfng t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 \u1ea9m b\u00ean ngo\u00e0i.<\/p>\n\n\n\n

Nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf l\u00e0 ch\u1ed3ng l\u1ea5p b\u01b0\u1edbc s\u00f3ng c\u1ed9ng h\u01b0\u1edfng b\u1ed9 l\u1ecdc v\u1edbi b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng thay \u0111\u1ed5i nhanh m\u00e0 pin m\u1eb7t tr\u1eddi h\u1ea5p th\u1ee5. B\u1ed9 l\u1ecdc n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m thay \u0111\u1ed5i l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng c\u1ee7a pin m\u1eb7t tr\u1eddi, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 \u1ea9m l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p, k\u1ebft qu\u1ea3 l\u00e0 ph\u00e1t hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 \u1ea9m xung quanh.<\/p>\n\n\n\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c c\u1ea3m bi\u1ebfn \u0111\u1ed9 \u1ea9m quang h\u1ecdc th\u00f4ng th\u01b0\u1eddng, nh\u1eefng c\u1ea3m bi\u1ebfn m\u1edbi. \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc H\u00e0n Qu\u1ed1c ph\u00e1t tri\u1ec3n ho\u1ea1t \u0111\u1ed9ng trong b\u1ea5t k\u1ec3 ngu\u1ed3n \u00e1nh s\u00e1ng, d\u00f9 \u0111\u00f3 l\u00e0 \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean, led hay ngu\u1ed3n s\u00e1ng trong nh\u00e0.<\/p>\n\n\n\n

H\u01a1n th\u1ebf n\u1eefa, c\u00e1c c\u1ea3m bi\u1ebfn kh\u00f4ng ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i, m\u00e0 d\u1ef1a tr\u00ean m\u00e0u c\u1ee7a b\u1ed9 l\u1ecdc c\u00f2n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n

GS.TS Jun Suk Rho, l\u00e3nh \u0111\u1ea1o nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft: C\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u1eb7c bi\u1ec7t, nh\u01b0 l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n n\u01a1i con ng\u01b0\u1eddi v\u00e0 \u0111i\u1ec7n kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn.<\/p>\n\n\n\n

TH\u00c1I B\u1eb0NG <\/strong>ngu\u1ed3n: khoahocdoisong.vn<\/p>\n\n\n\n

C\u1eeda s\u1ed5 th\u00f4ng minh t\u1ef1 s\u00e1ng v\u00e0o nh\u1eefng ng\u00e0y m\u01b0a, x\u1ea5u tr\u1eddi – Khoa h\u1ecdc v\u00e0 \u0111\u1eddi s\u1ed1ng (khoahocdoisong.vn)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

(khoahocdoisong.vn) – C\u1eeda s\u1ed5 th\u00f4ng minh, c\u00f2n g\u1ecdi l\u00e0 c\u1eeda s\u1ed5 \u0111\u1ed5i m\u1ea7u ho\u1eb7c k\u00ednh th\u00f4ng minh, thay \u0111\u1ed5i m\u00e0u s\u1eafc t\u00f9y theo c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi d\u1ef1a tr\u00ean c\u01a1 s\u1edf hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n h\u00f3a, v\u1eadt li\u1ec7u thay \u0111\u1ed5i m\u00e0u s\u1eafc (ho\u1eb7c chuy\u1ec3n t\u1eeb trong su\u1ed1t sang m\u1edd \u0111\u1ee5c) d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a […]<\/p>\n","protected":false},"author":25,"featured_media":25279,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-25278","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\/25278","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=25278"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/25278\/revisions"}],"predecessor-version":[{"id":29740,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/25278\/revisions\/29740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/25279"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=25278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=25278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=25278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}