<\/p>\n
M\u1ed9t thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1edbi c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a li\u1ec7u ph\u00e1p x\u1ea1 tr\u1ecb k\u00edch ho\u1ea1t boron b\u1eb1ng <\/em>neutron (BNCT- boron neutron capture therapy) d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c<\/em><\/p>\n <\/p>\n Quad-MOSFET c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa <\/em>neutron nhi\u1ec7t, neutron tr\u00ean nhi\u1ec7t v\u00e0 neutron nhanh khi c\u00f3 n\u1ec1n photon, cho ph\u00e9p theo d\u00f5i ch\u00ednh x\u00e1c c\u00e1c ch\u00f9m neutron theo th\u1eddi gian th\u1ef1c<\/em><\/p>\n <\/p>\n Nh\u00f3m ANSTO UOW hi\u1ec7n \u0111ang \u0111\u00e1nh gi\u00e1 nguy\u00ean m\u1eabu c\u1ee7a thi\u1ebft b\u1ecb b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ch\u1ee5p \u1ea3nh neutron Dingo<\/em><\/p>\n <\/p>\n C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb Nh\u00f3m nghi\u00ean c\u1ee9u v\u00e0 c\u00f4ng ngh\u1ec7 y t\u1ebf t\u1ea1i ANSTO v\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Wollongong \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t thi\u1ebft b\u1ecb m\u1edbi c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a li\u1ec7u ph\u00e1p x\u1ea1 tr\u1ecb k\u00edch ho\u1ea1t boron b\u1eb1ng neutron d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c, m\u1ed9t li\u1ec7u ph\u00e1p x\u1ea1 tr\u1ecb \u0111\u1ea7y h\u1ee9a h\u1eb9n \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh ung th\u01b0 \u00e1c t\u00ednh.<\/p>\n <\/p>\n Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean Radiation Measurements b\u00e1o c\u00e1o v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb b\u00f3ng b\u00e1n d\u1eabn hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng kim lo\u1ea1i-oxit-b\u00e1n d\u1eabn m\u1edbi v\u1edbi b\u1ed1n b\u00f3ng b\u00e1n d\u1eabn (Quad-MOSFET), \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 theo d\u00f5i ch\u00f9m notron theo th\u1eddi gian th\u1ef1c, ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong li\u1ec7u ph\u00e1p x\u1ea1 tr\u1ecb k\u00edch ho\u1ea1t boron b\u1eb1ng neutron.<\/p>\n <\/p>\n Ngu\u1ed3n notron d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u00ean ti\u1ebfn cho l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n truy\u1ec1n th\u1ed1ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t neutron. Ch\u00fang bao g\u1ed3m m\u00e1y gia t\u1ed1c tuy\u1ebfn t\u00ednh, m\u1ed9t c\u00f4ng ngh\u1ec7 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t t\u00edch \u0111i\u1ec7n l\u00ean n\u0103ng l\u01b0\u1ee3ng cao, t\u1ea1o ra neutron khi c\u00e1c h\u1ea1t n\u00e0y va ch\u1ea1m v\u1edbi bia.<\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n Khi neutron va ch\u1ea1m v\u1edbi c\u00e1c nguy\u00ean t\u1eed boron trong t\u1ebf b\u00e0o kh\u1ed1i u, ch\u00fang k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n c\u1ee5c b\u1ed9. Ph\u1ea3n \u1ee9ng n\u00e0y gi\u1ea3i ph\u00f3ng c\u00e1c h\u1ea1t t\u00edch \u0111i\u1ec7n th\u1ee9 c\u1ea5p ph\u00e1 h\u1ee7y t\u1ebf b\u00e0o ung th\u01b0 trong khi v\u1eabn b\u1ea3o v\u1ec7 ph\u1ea7n l\u1edbn m\u00f4 kh\u1ecfe m\u1ea1nh, v\u00ec t\u1ebf b\u00e0o kh\u1ecfe m\u1ea1nh ch\u1ee9a r\u1ea5t \u00edt nguy\u00ean t\u1eed boron. Ngu\u1ed3n: Klaud Jakubowski<\/em><\/p>\n <\/p>\n Sau \u0111\u00f3, neutron \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c l\u00e0m ch\u1eadm l\u1ea1i \u0111\u1ebfn m\u1ee9c n\u0103ng l\u01b0\u1ee3ng mong mu\u1ed1n \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 BNCT.<\/p>\n <\/p>\n Ph\u00f3 gi\u00e1o s\u01b0 Mitra Safavi-Naeini, nh\u00e0 nghi\u00ean c\u1ee9u h\u00e0ng \u0111\u1ea7u c\u1ee7a ANSTO cho d\u1ef1 \u00e1n n\u00e0y cho bi\u1ebft: “C\u00e1c ngu\u1ed3n neutron d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c nh\u1ecf g\u1ecdn v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn neutron cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb y t\u1ebf nh\u01b0 BNCT ho\u1eb7c s\u1ea3n xu\u1ea5t ch\u1ea5t ph\u00f3ng x\u1ea1”.<\/p>\n <\/p>\n Li\u1ec7u ph\u00e1p x\u1ea1 tr\u1ecb k\u00edch ho\u1ea1t boron b\u1eb1ng neutron (BNCT) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb ung th\u01b0 ti\u00ean ti\u1ebfn nh\u1eafm v\u00e0o c\u00e1c t\u1ebf b\u00e0o ung th\u01b0 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t ch\u1ee9a boron t\u00edch t\u1ee5 trong c\u00e1c t\u1ebf b\u00e0o ung th\u01b0. Khi c\u00e1c t\u1ebf b\u00e0o n\u00e0y \u0111\u01b0\u1ee3c chi\u1ebfu x\u1ea1 b\u1eb1ng neutron, c\u00e1c nguy\u00ean t\u1eed boron s\u1ebd k\u00edch ho\u1ea1t c\u00e1c neutron v\u00e0 tr\u1ea3i qua c\u00e1c ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n ph\u00e1 h\u1ee7y c\u00e1c t\u1ebf b\u00e0o ung th\u01b0 trong khi v\u1eabn b\u1ea3o v\u1ec7 c\u00e1c m\u00f4 kh\u1ecfe m\u1ea1nh xung quanh.<\/p>\n <\/p>\n Klaudiusz Jakubowski, h\u1ecdc gi\u1ea3 ti\u1ebfn s\u0129 c\u1ee7a ANSTO v\u00e0 UOW, \u0111\u1ed3ng th\u1eddi l\u00e0 t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a b\u00e0i b\u00e1o, cho bi\u1ebft: “Thi\u1ebft b\u1ecb n\u00e0y, v\u1edbi kh\u1ea3 n\u0103ng theo d\u00f5i th\u1eddi gian th\u1ef1c, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a li\u1ec7u ph\u00e1p \u0111i\u1ec1u tr\u1ecb cho b\u1ec7nh nh\u00e2n ung th\u01b0”.<\/p>\n <\/p>\n Thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n bi\u1ec7t gi\u1eefa neutron nhi\u1ec7t, neutron tr\u00ean nhi\u1ec7t v\u00e0 neutron nhanh khi c\u00f3 n\u1ec1n photon, cho ph\u00e9p theo d\u00f5i ch\u00ednh x\u00e1c c\u00e1c ch\u00f9m neutron theo th\u1eddi gian th\u1ef1c. Thi\u1ebft k\u1ebf c\u1ea3i ti\u1ebfn bao g\u1ed3m b\u1ed1n m\u00e1y d\u00f2 MOSFET, m\u1ed7i m\u00e1y \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1edbi c\u00e1c v\u1eadt li\u1ec7u chuy\u1ec3n \u0111\u1ed5i kh\u00e1c nhau \u0111\u1ec3 \u0111o ch\u1ecdn l\u1ecdc th\u00f4ng l\u01b0\u1ee3ng neutron tr\u00ean nhi\u1ec1u ph\u1ed5 n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n <\/p>\n Gi\u00e1o s\u01b0 danh d\u1ef1 Anatoly Rozenfeld, t\u00e1c gi\u1ea3 li\u00ean h\u1ec7 c\u1ee7a b\u00e0i b\u00e1o, cho bi\u1ebft: “C\u00e1c ngu\u1ed3n neutron d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c \u0111\u00e3 m\u1edf ra m\u1ed9t l\u00e0n s\u00f3ng m\u1edbi c\u00e1c c\u01a1 s\u1edf cung c\u1ea5p BNCT d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c, gi\u00fap ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb ung th\u01b0 \u0111\u1ea7y h\u1ee9a h\u1eb9n n\u00e0y d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n”.<\/p>\n <\/p>\n \u00a0\u201cTrung t\u00e2m V\u1eadt l\u00fd B\u1ee9c x\u1ea1 Y t\u1ebf \u0111\u00e3 \u0111i \u0111\u1ea7u trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c m\u00e1y d\u00f2 b\u1ee9c x\u1ea1 b\u00e1n d\u1eabn ti\u00ean ti\u1ebfn trong h\u01a1n ba th\u1eadp k\u1ef7. Quan h\u1ec7 \u0111\u1ed1i t\u00e1c c\u1ee7a ch\u00fang t\u00f4i v\u1edbi ANSTO trong d\u1ef1 \u00e1n n\u00e0y minh h\u1ecda cho cam k\u1ebft c\u1ee7a ch\u00fang t\u00f4i trong vi\u1ec7c th\u00fac \u0111\u1ea9y ph\u00e9p \u0111o li\u1ec1u y t\u1ebf v\u00e0 n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c \u0111i\u1ec1u tr\u1ecb ung th\u01b0 th\u00f4ng qua c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn\u201d.<\/p>\n <\/p>\n Vi\u1ec7c tri\u1ec3n khai th\u00e0nh c\u00f4ng thi\u1ebft b\u1ecb quad-MOSFET n\u00e0y s\u1ebd m\u1edf \u0111\u01b0\u1eddng cho m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi trong BNCT d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c. V\u1edbi kh\u1ea3 n\u0103ng theo d\u00f5i c\u00e1c ch\u00f9m neutron trong th\u1eddi gian th\u1ef1c, c\u00e1c b\u00e1c s\u0129 l\u00e2m s\u00e0ng c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb ung th\u01b0 hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n h\u01a1n.<\/p>\n <\/p>\n <\/p>\n <\/p>\n James Vohradsky v\u00e0 Klaud Jakubowski \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t th\u00ed nghi\u1ec7m tr\u00ean thi\u1ebft b\u1ecb ch\u1ee5p \u1ea3nh neutron Dingo<\/em><\/p>\n <\/p>\n <\/p>\n Hi\u1ec7n nay, nh\u00f3m nghi\u00ean c\u1ee9u \u0111ang \u0111\u00e1nh gi\u00e1 nguy\u00ean m\u1eabu c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y t\u1ea1i ngu\u1ed3n neutron nhi\u1ec7t duy nh\u1ea5t c\u1ee7a \u00dac – thi\u1ebft b\u1ecb ch\u1ee5p \u1ea3nh neutron nhi\u1ec7t DINGO t\u1ea1i Trung t\u00e2m t\u00e1n x\u1ea1 neutron \u00dac – tr\u01b0\u1edbc khi chuy\u1ec3n sang th\u1eed nghi\u1ec7m t\u1ea1i c\u01a1 s\u1edf BNCT c\u00f3 m\u00e1y gia t\u1ed1c \u1edf n\u01b0\u1edbc ngo\u00e0i.<\/p>\n <\/p>\n Ph\u00f3 gi\u00e1o s\u01b0 Safavi-Naeini cho bi\u1ebft: \u201cNghi\u00ean c\u1ee9u n\u00e0y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 cam k\u1ebft c\u1ee7a ANSTO trong vi\u1ec7c th\u00fac \u0111\u1ea9y vi\u1ec7c s\u1eed d\u1ee5ng khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 h\u1ea1t nh\u00e2n v\u00ec l\u1ee3i \u00edch c\u1ee7a x\u00e3 h\u1ed9i\u201d.<\/p>\n <\/p>\n \u00a0<\/strong><\/p>\n Bi\u00ean d\u1ecbch: Nguy\u1ec5n Th\u1ecb Thu H\u00e0, Ban K\u1ebf ho\u1ea1ch v\u00e0 Qu\u1ea3n l\u00fd khoa h\u1ecdc<\/strong><\/p>\n \u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" Nh\u1eefng \u0111i\u1ec3m ch\u00ednh M\u1ed9t thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1edbi c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a li\u1ec7u ph\u00e1p x\u1ea1 tr\u1ecb k\u00edch ho\u1ea1t boron b\u1eb1ng neutron (BNCT- boron neutron capture therapy) d\u1ef1a tr\u00ean m\u00e1y gia t\u1ed1c Quad-MOSFET c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa neutron nhi\u1ec7t, neutron tr\u00ean nhi\u1ec7t v\u00e0 […]<\/p>\n","protected":false},"author":4,"featured_media":15703,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-15700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-quoc-te"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/15700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=15700"}],"version-history":[{"count":6,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/15700\/revisions"}],"predecessor-version":[{"id":15709,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/15700\/revisions\/15709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media\/15703"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=15700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=15700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=15700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"](\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2024\/08\/BRAIN.png\")
<\/em><\/p>\n![\"\"](\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2024\/08\/2-4.jpg\")
<\/p>\n