{"id":4506,"date":"2015-10-29T06:21:30","date_gmt":"2015-10-28T23:21:30","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4506"},"modified":"2017-10-02T07:59:31","modified_gmt":"2017-10-02T00:59:31","slug":"noi-tang-in-3d-mang-hy-vong-cay-ghep-gia-re","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/noi-tang-in-3d-mang-hy-vong-cay-ghep-gia-re\/","title":{"rendered":"N\u1ed9i t\u1ea1ng in 3D mang hy v\u1ecdng c\u1ea5y gh\u00e9p gi\u00e1 r\u1ebb"},"content":{"rendered":"

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p in 3D c\u00e1c c\u1ea5u tr\u00fac c\u01a1 th\u1ec3 kh\u00e1c nhau nh\u01b0 tim, \u0111\u1ed9ng m\u1ea1ch, n\u00e3o v\u00e0 x\u01b0\u01a1ng, mang l\u1ea1i c\u01a1 h\u1ed9i c\u1ea5y gh\u00e9p n\u1ed9i t\u1ea1ng gi\u00e1 r\u1ebb cho b\u1ec7nh nh\u00e2n trong t\u01b0\u01a1ng lai.<\/strong><\/p>\n

\"\"<\/p>\n

In 3D khung c\u1ea5u tr\u00fac \u0111\u1ed9ng m\u1ea1ch v\u00e0nh. \u1ea2nh: Carnegie Mellon University College of Engineering<\/p>\n

Theo Live Science, trong t\u01b0\u01a1ng lai, c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd gi\u00fap t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5y gh\u00e9p 3D m\u1ec1m, \u0111em l\u1ea1i c\u01a1 h\u1ed9i thay t\u1ea1ng cho ng\u01b0\u1eddi b\u1ec7nh. C\u00e1c m\u00f4 s\u1ed1ng s\u1ebd ph\u00e1t tri\u1ec3n \u1edf \u0111\u00e2y \u0111\u1ec3 h\u00ecnh th\u00e0nh n\u00ean c\u00e1c c\u01a1 quan n\u1ed9i t\u1ea1ng kh\u00e1c nhau.<\/p>\n

M\u00e1y in 3D \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m kh\u00e1c nhau, t\u1eeb c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u nh\u01b0 g\u1ed1m s\u1ee9, nh\u1ef1a, th\u1ee7y tinh, kim lo\u1ea1i, th\u1eadm ch\u00ed c\u1ea3 t\u1ebf b\u00e0o s\u1ed1ng. N\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ch\u1ed3ng c\u00e1c l\u1edbp in 2D l\u00ean nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh v\u1eadt th\u1ec3 3D.<\/p>\n

Tuy nhi\u00ean, c\u00e1c m\u00e1y in 3D hi\u1ec7n t\u1ea1i m\u1edbi ch\u1ec9 in \u0111\u01b0\u1ee3c c\u00e1c v\u1eadt th\u1ec3 r\u1eafn. Trong l\u0129nh v\u1ef1c y t\u1ebf, c\u00e1c thi\u1ebft b\u1ecb r\u1eafn tr\u1ee3 gi\u00fap cho b\u1ec7nh nh\u00e2n nh\u01b0 m\u00e1y tr\u1ee3 th\u00ednh, c\u00e1c c\u1ea5y gh\u00e9p nha khoa, tay gi\u1ea3 \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 in 3D.<\/p>\n

“Kim lo\u1ea1i, g\u1ed1m s\u1ee9 v\u00e0 polymer c\u1ee9ng \u0111\u00e3 \u0111\u01b0\u1ee3c in 3D t\u1eeb r\u1ea5t l\u00e2u. C\u00e1c v\u1eadt li\u1ec7u m\u1ec1m c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 \u0111\u1eb7c bi\u1ec7t trong qu\u00e1 tr\u00ecnh in, v\u00ec v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 s\u1ee5p \u0111\u1ed5 d\u01b0\u1edbi s\u1ee9c n\u1eb7ng c\u1ee7a ch\u00ednh n\u00f3”, Adam Feinberg, k\u1ef9 s\u01b0 y sinh thu\u1ed9c \u0110\u1ea1i h\u1ecdc Carnegie Mellon, t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u chia s\u1ebb.<\/p>\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5y gh\u00e9p m\u1ec1m c\u1ea7n c\u00f3 m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 “in sinh h\u1ecdc”. C\u00e1c v\u1eadt li\u1ec7u m\u1ec1m s\u1ebd \u0111\u01b0\u1ee3c in trong m\u1ed9t b\u1ec3 ch\u1ea5t l\u1ecfng h\u1ed7 tr\u1ee3 c\u00f3 ch\u1ee9a b\u1ed9t gelatin.<\/p>\n

“Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd gi\u00fap ch\u00fang t\u00f4i \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m t\u1eebng l\u1edbp khi in”, Feinberg n\u00f3i. “V\u1ec1 c\u01a1 b\u1ea3n, m\u00e1y in 3D s\u1ebd t\u1ea1o ra m\u1ed9t c\u00e1i khung \u0111\u1ec3 c\u00e1c m\u00f4 v\u00e0 c\u01a1 quan n\u1ed9i t\u1ea1ng ph\u00e1t tri\u1ec3n”.<\/p>\n

B\u1eb1ng c\u00e1ch n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 in th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c c\u00e1c c\u1ea5u tr\u00fac khung nguy\u00ean m\u1eabu nh\u01b0 x\u01b0\u01a1ng \u0111\u00f9i, \u0111\u1ed9ng m\u1ea1ch v\u00e0nh ng\u01b0\u1eddi, ph\u00f4i tim g\u00e0 5 ng\u00e0y tu\u1ed5i, c\u00e1c n\u1ebfp g\u1ea5p b\u00ean ngo\u00e0i n\u00e3o ng\u01b0\u1eddi. Nguy\u00ean li\u1ec7u in l\u00e0 c\u00e1c v\u1eadt li\u1ec7u sinh h\u1ecdc nh\u01b0 ch\u1ea5t t\u1ea1o keo (collagen) \u1edf g\u00e2n v\u00e0 d\u00e2y ch\u1eb1ng. \u0110\u1ed9 ph\u00e2n gi\u1ea3i c\u1ee7a c\u00e1c nguy\u00ean m\u1eabu n\u00e0y l\u00e0 200 micron, g\u1ea5p \u0111\u00f4i chi\u1ec1u r\u1ed9ng m\u1ed9t s\u1ee3i t\u00f3c ng\u01b0\u1eddi (100 micron).<\/p>\n

“Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 ch\u1ea5t t\u1ea1o keo, t\u01a1 huy\u1ebft (gi\u00fap t\u1ea1o c\u00e1c c\u1ee5c m\u00e1u \u0111\u00f4ng c\u1ea7m m\u00e1u), alginate (c\u00f3 nhi\u1ec1u trong t\u1ea3o bi\u1ec3n), c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u m\u00e0 ch\u00ednh c\u01a1 th\u1ec3 con ng\u01b0\u1eddi c\u0169ng s\u1eed d\u1ee5ng, \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u in”, Feinberg cho bi\u1ebft.<\/p>\n

“Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c khung m\u00f4 k\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u n\u00e0y trong c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p ph\u00f9 h\u1ee3p c\u00e1c m\u00f4 v\u00e0 c\u01a1 quan trong c\u01a1 th\u1ec3”.<\/p>\n

Ch\u1ea5t l\u1ecfng h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh in d\u00ednh tr\u00ean s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1ch nung n\u00f3ng t\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 ng\u01b0\u1eddi. Nhi\u1ec7t \u0111\u1ed9 n\u00e0y kh\u00f4ng l\u00e0m h\u01b0 h\u1ecfng c\u00e1c ph\u00e2n t\u1eed sinh h\u1ecdc ho\u1eb7c c\u00e1c t\u1ebf b\u00e0o c\u1ee7a s\u1ea3n ph\u1ea9m, theo nh\u00f3m nghi\u00ean c\u1ee9u. Tuy qu\u00e1 tr\u00ecnh in ho\u00e0n thi\u1ec7n m\u1ed9t c\u01a1 quan n\u1ed9i t\u1ea1ng c\u00f2n c\u1ea7n nhi\u1ec1u th\u1eddi gian, nh\u01b0ng c\u00e1c nh\u00e0 khoa h\u1ecdc tin \u0111\u00e3 l\u00ean k\u1ebf ho\u1ea1ch t\u00edch h\u1ee3p c\u00e1c t\u1ebf b\u00e0o tim v\u00e0o khung c\u1ea5u tr\u00fac, \u0111\u1ec3 t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u01a1 tim.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p m\u1edbi n\u00e0y c\u00f3 th\u1ec3 gi\u00fap chi ph\u00ed in 3D sinh h\u1ecdc t\u1eeb 100.000 USD xu\u1ed1ng c\u00f2n 1.000 USD. N\u00f3 c\u0169ng s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf cho nh\u1eefng ng\u01b0\u1eddi quan t\u00e2m c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0 c\u1ea3i ti\u1ebfn.<\/p>\n

Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i chi ti\u1ebft tr\u00ean t\u1ea1p ch\u00ed Science Advances h\u00f4m 23\/10.<\/p>\n

Nguy\u1ec5n Th\u00e0nh Minh<\/em><\/p>\n

Ngu\u1ed3n VNEXPRESS<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p in 3D c\u00e1c c\u1ea5u tr\u00fac c\u01a1 th\u1ec3 kh\u00e1c nhau nh\u01b0 tim, \u0111\u1ed9ng m\u1ea1ch, n\u00e3o v\u00e0 x\u01b0\u01a1ng, mang l\u1ea1i c\u01a1 h\u1ed9i c\u1ea5y gh\u00e9p n\u1ed9i t\u1ea1ng gi\u00e1 r\u1ebb cho b\u1ec7nh nh\u00e2n trong t\u01b0\u01a1ng lai. In 3D khung c\u1ea5u tr\u00fac \u0111\u1ed9ng m\u1ea1ch v\u00e0nh. \u1ea2nh: Carnegie Mellon […]<\/p>\n","protected":false},"author":17,"featured_media":4978,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4506","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\/4506","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=4506"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4506\/revisions"}],"predecessor-version":[{"id":4979,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4506\/revisions\/4979"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/4978"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}