{"id":5920,"date":"2016-10-05T18:51:27","date_gmt":"2016-10-05T11:51:27","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5920"},"modified":"2017-10-03T17:06:50","modified_gmt":"2017-10-03T10:06:50","slug":"san-xuat-thanh-cong-xuong-in-3d-sieu-dan-hoi-hy-vong-cay-ghep-cho-nguoi-trong-5-nam-toi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/san-xuat-thanh-cong-xuong-in-3d-sieu-dan-hoi-hy-vong-cay-ghep-cho-nguoi-trong-5-nam-toi\/","title":{"rendered":"S\u1ea3n xu\u1ea5t th\u00e0nh c\u00f4ng x\u01b0\u01a1ng in 3D si\u00eau \u0111\u00e0n h\u1ed3i, hy v\u1ecdng c\u1ea5y gh\u00e9p cho ng\u01b0\u1eddi trong 5 n\u0103m t\u1edbi"},"content":{"rendered":"

M\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p m\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ” x\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i (hyperelastic bone – HB)\u201d c\u00f3 th\u1ec3 s\u1ebd l\u00e0 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong t\u01b0\u01a1ng lai \u0111\u1ed1i v\u1edbi ng\u00e0nh ph\u1eabu thu\u1eadt ph\u1ee5c h\u1ed3i. Trong m\u1ed9t nghi\u00ean m\u1edbi, c\u00e1c nh\u00e0 khoa h\u1ecdc cho th\u1ea5y HB c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5y d\u01b0\u1edbi da v\u00e0 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t gi\u00e0n gi\u00e1o, cho ph\u00e9p x\u01b0\u01a1ng ph\u00e1t tri\u1ec3n l\u00ean t\u1eeb \u0111\u00f3, ho\u1eb7c n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay th\u1ebf cho x\u01b0\u01a1ng b\u1ecb m\u1ea5t ch\u1ea5t ho\u00e0n to\u00e0n. M\u1eb7c d\u00f9 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m tr\u00ean ng\u01b0\u1eddi, nh\u1eefng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf \u0111\u1ed9ng v\u1eadt \u0111\u00e3 b\u1eaft \u0111\u1ea7u g\u1eb7t h\u00e1i nh\u1eefng th\u00e0nh c\u00f4ng \u0111\u1ea7u ti\u00ean, v\u1edbi m\u1ed9t k\u1ec3 qu\u1ea3 \u201c\u0111\u00e1ng kinh ng\u1ea1c\u201d, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u.<\/strong><\/p>\n

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Theo nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 tr\u00ean t\u1ea1p ch\u00ed Science Translational Medicine<\/em>, x\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb m\u1ed9t ch\u1ea5t c\u00f3 trong t\u1ef1 nhi\u00ean t\u00ean l\u00e0 Hydroxyapatite (HA). Hydroxyapatite l\u00e0 m\u1ed9t d\u1ea1ng c\u1ee7a canxi t\u1ed3n t\u1ea1i trong x\u01b0\u01a1ng v\u00e0 t\u1eebng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u1eabu thu\u1eadt t\u1ea1o h\u00ecnh. V\u1ec1 \u0111\u1eb7c t\u00ednh, HA r\u1ea5t gi\u00f2n, nh\u01b0ng c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 tr\u1ed9n n\u00f3 v\u1edbi m\u1ed9t lo\u1ea1i polymer nh\u1eb1m t\u0103ng th\u00eam t\u00ednh linh ho\u1ea1t. Sau \u0111\u00f3, h\u1ecd ti\u1ebfn h\u00e0nh in 3D x\u01b0\u01a1ng c\u1ea5y gh\u00e9p v\u1edbi v\u1eadt li\u1ec7u m\u1edbi v\u00e0 b\u1eaft \u0111\u1ea7u c\u00e1c b\u00e0i th\u1eed nghi\u1ec7m trong c\u00e1c th\u00ed nghi\u1ec7m kh\u00e1c nhau.<\/p>\n

\u201cNgay l\u1ea7n \u0111\u1ea7u ti\u00ean ch\u00fang t\u00f4i in 3D t\u1eeb lo\u1ea1i ch\u1ea5t li\u1ec7u n\u00e0y, ch\u00fang t\u00f4i \u0111\u00e3 r\u1ea5t ng\u1ea1c nhi\u00ean khi th\u1ea5y r\u1eb1ng n\u1ebfu ch\u00fang ta \u00e9p ho\u1eb7c l\u00e0m bi\u1ebfn d\u1ea1ng, n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng tr\u1edf v\u1ec1 \u0111\u00fang nh\u01b0 h\u00ecnh d\u00e1ng ban \u0111\u1ea7u\u201d, gi\u00e1o s\u01b0 khoa h\u1ecdc v\u1eadt li\u1ec7u Ramille Shah thu\u1ed9c \u0110\u1ea1i h\u1ecdc Northwestern (M\u1ef9), m\u1ed9t trong nh\u1eefng t\u00e1c gi\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u, cho bi\u1ebft. Ngo\u00e0i ra, x\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i c\u00f2n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u1eaft g\u1ecdt, cu\u1ed1n, g\u1ea5p l\u1ea1i v\u00e0 \u0111\u01b0a ch\u00fang v\u00e0o c\u00e1c khu v\u1ef1c b\u1ecb m\u1ea5t x\u01b0\u01a1ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a keo d\u00ednh ho\u1eb7c c\u00e1c m\u0169i kh\u00e2u.<\/p>\n

\"\"<\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, HB c\u0169ng r\u1ea5t x\u1ed1p v\u00e0 kh\u1ea3 n\u0103ng th\u1ea5m h\u00fat, y\u1ebfu t\u1ed1 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u1ed9t v\u1eadt li\u1ec7u gh\u00e9p x\u01b0\u01a1ng, nh\u1eb1m th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c m\u1ea1ch m\u00e1u \u1edf v\u00f9ng ph\u1eabu thu\u1eadt. (N\u1ebfu kh\u00f4ng c\u00f3 t\u0129nh m\u1ea1ch v\u00e0 mao m\u1ea1ch v\u1eadn chuy\u1ec3n m\u00e1u \u0111\u1ebfn nh\u1eefng khu v\u1ef1c n\u00e0y, c\u00e1c m\u00f4 xung quanh s\u1ebd ch\u1ebft).<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 th\u1eed nghi\u1ec7m lo\u1ea1i x\u01b0\u01a1ng nh\u00e2n t\u1ea1o m\u1edbi trong m\u1ed9t lo\u1ea1t c\u00e1c th\u00ed nghi\u1ec7m. H\u1ecd \u0111\u1eb7t c\u00e1c t\u1ebf b\u00e0o g\u1ed1c c\u1ee7a con ng\u01b0\u1eddi v\u00e0o m\u1ed9t s\u1ed1 gi\u00e0n gi\u00e1o in 3D t\u1eeb ch\u1ea5t li\u1ec7u m\u1edbi. C\u00e1c t\u1ebf b\u00e0o n\u00e0y t\u0103ng tr\u01b0\u1edfng m\u00e0 kh\u00f4ng ch\u1ecbu b\u1ea5t k\u1ef3 c\u1ea3n tr\u1edf n\u00e0o, l\u1ea5p \u0111\u1ea7y c\u00e1c kh\u00f4ng gian tr\u1ed1ng ch\u1ec9 trong v\u00e0i tu\u1ea7n, \u0111\u1ed3ng th\u1eddi t\u1ef1 s\u1ea3n sinh ra m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t x\u01b0\u01a1ng c\u1ee7a ri\u00eang n\u00f3. “N\u00f3 \u0111\u00e3 \u0111i t\u1eeb m\u1ed9t gi\u00e0n gi\u00e1o t\u1ed5ng h\u1ee3p cho \u0111\u1ebfn kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c t\u1ebf b\u00e0o c\u1ee7a ch\u00ednh n\u00f3”, Adam Jakus, m\u1ed9t nghi\u00ean c\u1ee9u sinh sau ti\u1ebfn s\u0129 t\u1ea1i \u0110\u1ea1i h\u1ecdc Northwestern, \u0111\u1ed3ng t\u00e1c c\u1ee7a gi\u1ea3 nghi\u00ean c\u1ee9u, cho bi\u1ebft.<\/p>\n

Trong m\u1ed9t th\u00ed nghi\u1ec7m kh\u00e1c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ea5y gh\u00e9p x\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i d\u01b0\u1edbi da c\u1ee7a m\u1ed9t con chu\u1ed9t. M\u1ed9t l\u1ea7n n\u1eefa, c\u00e1c t\u1ebf b\u00e0o ph\u1ea3n \u1ee9ng t\u1ed1t, HB “nhanh ch\u00f3ng h\u00f2a nh\u1eadp” v\u1edbi m\u00f4 chu\u1ed9t m\u00e0 kh\u00f4ng xu\u1ea5t hi\u1ec7n b\u1ea5t k\u1ef3 ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch hay vi\u00eam nhi\u1ec5m n\u00e0o, theo Jakus. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng \u0111\u00e3 th\u1eed nghi\u1ec7m x\u01b0\u01a1ng in 3D trong c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1eabu thu\u1eadt th\u1ef1c s\u1ef1. L\u00fac b\u1ea5y gi\u1edd, HB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u00e0n g\u1eafn hai \u0111\u1ed1t s\u1ed1ng tr\u00ean c\u1ed9t s\u1ed1ng c\u1ee7a m\u1ed9t con chu\u1ed9t, v\u00e0 c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n x\u01b0\u01a1ng kh\u00f4ng kh\u1ecfe m\u1ea1nh trong h\u1ed9p s\u1ecd c\u1ee7a m\u1ed9t con kh\u1ec9 n\u00e2u. Trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p, m\u00f4 c\u1ea5y v\u00e0o \u0111\u1ec1u t\u1ecf ra h\u00f2a h\u1ee3p v\u1edbi m\u00f4 c\u1ee7a v\u1eadt ch\u1ee7, th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c m\u1ea1ch m\u00e1u v\u00e0 th\u1eadm ch\u00ed l\u00e0 m\u1ed9t s\u1ed1 x\u01b0\u01a1ng m\u1edbi.<\/p>\n

M\u1eb7c d\u00f9 mang \u0111\u1ebfn nh\u1eefng t\u00edn hi\u1ec7u kh\u00e1 kh\u1ea3 quan, tuy nhi\u00ean cho \u0111\u1ebfn hi\u1ec7n t\u1ea1i, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u1eabn c\u00f2n kh\u00e1 h\u1ea1n ch\u1ebf, v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c ph\u1ea3i \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean quy m\u00f4 r\u1ed9ng l\u1edbn h\u01a1n nh\u1eb1m x\u00e1c nh\u1eadn m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 c\u1ee7a x\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i. V\u1ec1 vi\u1ec7c th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng tr\u00ean ng\u01b0\u1eddi, Shah cho bi\u1ebft c\u00f4 hy v\u1ecdng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3 trong v\u00f2ng 5 n\u0103m t\u1edbi.<\/p>\n

X\u01b0\u01a1ng si\u00eau \u0111\u00e0n l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u1ea7y h\u1ee9a h\u1eb9n, b\u1edfi n\u00f3 l\u00e0 v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p n\u00ean chi ph\u00ed s\u1ea3n xu\u1ea5t kh\u00f4ng cao. Ngo\u00e0i ra, ch\u1ea5t li\u1ec7u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c pha ch\u1ebf \u0111\u1ec3 in 3D \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, lo\u1ea1i x\u01b0\u01a1ng nh\u00e2n t\u1ea1o c\u1ee7a h\u1ecd r\u1ea5t d\u1ec5 d\u00e0ng \u0111\u00f3ng g\u00f3i, b\u1ea3o qu\u1ea3n v\u00e0 v\u1eadn chuy\u1ec3n, v\u1edbi h\u1ea1n s\u1eed d\u1ee5ng l\u00e0 kho\u1ea3ng 1 n\u0103m.<\/p>\n

X\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng d\u00e0nh cho c\u00e1c n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n, “n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n n\u00f3 \u0111\u1ebfn tr\u01b0\u1edbc th\u1eddi h\u1ea1n, x\u1ebfp l\u00ean k\u1ec7 v\u00e0 ch\u1edd cho \u0111\u1ebfn khi c\u1ea7n d\u00f9ng, thay v\u00ec ph\u1ea3i t\u1ea1o ra m\u1ed9t v\u1eadt li\u1ec7u sinh h\u1ecdc ph\u1ee9c t\u1ea1p c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh\u201d, Jakus n\u00f3i. \u1ede c\u00e1c n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n, “nh\u1eefng trang thi\u1ebft b\u1ecb b\u1ea3o qu\u1ea3n c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf, v\u00ec v\u1eady, th\u1eadt tuy\u1ec7t v\u1eddi khi c\u00f3 lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ec9 c\u1ea7n m\u1edf h\u1ed9p ra v\u00e0 s\u1eed d\u1ee5ng\u201d.<\/p>\n

Tham kh\u1ea3o: The Verge\u200b<\/em><\/strong><\/p>\n

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

M\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p m\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ” x\u01b0\u01a1ng si\u00eau \u0111\u00e0n h\u1ed3i (hyperelastic bone – HB)\u201d c\u00f3 th\u1ec3 s\u1ebd l\u00e0 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong t\u01b0\u01a1ng lai \u0111\u1ed1i v\u1edbi ng\u00e0nh ph\u1eabu thu\u1eadt ph\u1ee5c h\u1ed3i. Trong m\u1ed9t nghi\u00ean m\u1edbi, c\u00e1c nh\u00e0 khoa h\u1ecdc cho th\u1ea5y HB c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5y d\u01b0\u1edbi da v\u00e0 \u0111\u00f3ng […]<\/p>\n","protected":false},"author":17,"featured_media":7180,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5920","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\/5920","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=5920"}],"version-history":[{"count":4,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5920\/revisions"}],"predecessor-version":[{"id":7184,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5920\/revisions\/7184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/7180"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}