Thu\u1ed1c tr\u1eeb s\u00e2u tr\u00ean s\u1ea3n ph\u1ea9m t\u01b0\u01a1i kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf l\u1edbp v\u1ecf, m\u00e0 c\u00f2n \u201c\u0103n v\u00e0o b\u00ean trong\u201d c\u1ee7a tr\u00e1i, n\u00ean d\u00f9ng n\u01b0\u1edbc r\u1eeda c\u0169ng kh\u00f4ng an to\u00e0n.<\/p>\n
Trong khi nhi\u1ec1u ng\u01b0\u1eddi r\u1eeda tr\u00e1i c\u00e2y v\u00e0 rau \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t c\u1eb7n h\u00f3a h\u1ecdc n\u00e0y, th\u00ec nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng thu\u1ed1c tr\u1eeb s\u00e2u c\u00f3 kh\u1ea3 n\u0103ng th\u1ea5m qua l\u1edbp v\u1ecf c\u1ee7a nh\u1eefng lo\u1ea1i th\u1ef1c ph\u1ea9m n\u00e0y v\u00e0 v\u00e0o ph\u1ea7n \u0103n \u0111\u01b0\u1ee3c b\u00ean trong.<\/p>\n
Dondong Ye, gi\u00e1o s\u01b0 t\u1ea1i Anhui Agricultural University\u00a0\u1edf Trung Qu\u1ed1c, n\u00f3i v\u1edbi Newsweek: \u201cM\u1eb7c d\u00f9 c\u1ed9ng \u0111\u1ed3ng khoa h\u1ecdc, bao g\u1ed3m c\u1ea3 c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd c\u00f3 li\u00ean quan, \u0111\u1ec1u bi\u1ebft r\u1eb1ng vi\u1ec7c r\u1eeda tr\u00e1i c\u00e2y v\u00e0 rau kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t c\u1eb7n thu\u1ed1c tr\u1eeb s\u00e2u, nh\u01b0ng \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 kh\u00f4ng gian c\u1ee7a thu\u1ed1c tr\u1eeb s\u00e2u v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1.\u201d<\/p>\n
Gi\u00e1o S\u01b0 Ye v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ef9 thu\u1eadt h\u00ecnh \u1ea3nh m\u1edbi \u0111\u1ec3 ph\u00e1t hi\u1ec7n ngay c\u1ea3 m\u1ee9c \u0111\u1ed9 nhi\u1ec5m thu\u1ed1c tr\u1eeb s\u00e2u th\u1ea5p trong tr\u00e1i c\u00e2y v\u00e0 rau. \u201cC\u00f4ng tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 h\u00ecnh dung s\u1ef1 ph\u00e2n b\u1ed1 kh\u00f4ng gian c\u1ee7a n\u1ed3ng \u0111\u1ed9 c\u1ef1c th\u1ea5p c\u00e1c ch\u1ea5t ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u01b0a ra c\u00e1c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ee9c kh\u1ecfe v\u00e0 tr\u00e1nh ti\u00eau th\u1ee5 thu\u1ed1c tr\u1eeb s\u00e2u,\u201d Ye cho bi\u1ebft.<\/p>\n
]C\u00f4ng ngh\u1ec7 n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111\u1eb7t m\u1ed9t m\u00e0ng m\u1ecfng, linh ho\u1ea1t l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a tr\u00e1i c\u00e2y v\u00e0 rau qu\u1ea3 \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i c\u00e1c t\u00edn hi\u1ec7u c\u1ee7a m\u1ed9t k\u1ef9 thu\u1eadt h\u00ecnh \u1ea3nh g\u1ecdi l\u00e0 quang ph\u1ed5 Raman, cho ph\u00e9p ph\u00e1t hi\u1ec7n c\u00e1c h\u00f3a ch\u1ea5t \u1edf c\u00e1c \u0111\u1ed9 s\u00e2u v\u00e0 n\u1ed3ng \u0111\u1ed9 kh\u00e1c nhau.<\/p>\n
T\u1ea1i Hoa K\u1ef3, kho\u1ea3ng m\u1ed9t t\u1ef7 pound thu\u1ed1c tr\u1eeb s\u00e2u th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u00e0ng n\u0103m \u0111\u1ec3 ki\u1ec3m so\u00e1t c\u1ecf d\u1ea1i, c\u00f4n tr\u00f9ng v\u00e0 c\u00e1c lo\u00e0i g\u00e2y h\u1ea1i kh\u00e1c, theo b\u00e1o c\u00e1o c\u1ee7a C\u1ee5c Kh\u1ea3o S\u00e1t \u0110\u1ecba Ch\u1ea5t Hoa K\u1ef3 (US Geological Survey).<\/p>\n
(H\u00ecnh minh h\u1ecda: Giorgio Trovato\/Unsplash)<\/p>\n
T\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u00f3a ch\u1ea5t n\u00e0y \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nh\u01b0ng c\u00e1c h\u00f3a ch\u1ea5t n\u00f4ng nghi\u1ec7p ph\u1ed5 bi\u1ebfn nh\u01b0 carbendazim v\u00e0 thiram c\u00f3 li\u00ean quan \u0111\u1ebfn s\u1ef1 gi\u00e1n \u0111o\u1ea1n ph\u00e1t tri\u1ec3n v\u00e0 n\u1ed9i ti\u1ebft t\u1ed1 v\u00e0 t\u00e1c d\u1ee5ng g\u00e2y \u0111\u1ed9c th\u1ea7n kinh. Tuy nhi\u00ean, v\u1eabn kh\u00f4ng r\u00f5 s\u1ebd c\u1ea7n ti\u1ebfp x\u00fac bao nhi\u00eau \u0111\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c nh\u1eefng t\u00e1c \u0111\u1ed9ng n\u00e0y.<\/p>\n
Trong m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nano Letters, nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u1ee7a h\u1ecd tr\u00ean nh\u1eefng qu\u1ea3 t\u00e1o \u0111\u00e3 \u0111\u01b0\u1ee3c phun thu\u1ed1c tr\u1eeb s\u00e2u h\u00e0ng ng\u00e0y \u0111\u1ec3 kh\u00e1m ph\u00e1 m\u1ee9c \u0111\u1ed9 s\u00e2u m\u00e0 c\u00e1c h\u00f3a ch\u1ea5t n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp v\u00e0o ph\u1ea7n c\u00f9i c\u1ee7a qu\u1ea3.<\/p>\n
Sau khi r\u1eeda t\u00e1o, nh\u00f3m nghi\u00ean c\u1ee9u v\u1eabn th\u1ea5y d\u1ea5u hi\u1ec7u c\u1ee7a c\u1ea3 hai lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u tr\u00ean v\u1ecf t\u00e1o c\u0169ng nh\u01b0 \u1edf c\u00e1c l\u1edbp ngo\u00e0i c\u00f9ng c\u1ee7a ph\u1ea7n c\u00f9i th\u1ecbt c\u1ee7a tr\u00e1i c\u00e2y. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y thu\u1ed1c tr\u1eeb s\u00e2u th\u1ea5m v\u00e0o l\u1edbp c\u00f9i v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng l\u00e0m s\u1ea1ch tr\u00e1i c\u00e2y truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n thu\u1ed1c tr\u1eeb s\u00e2u.<\/p>\n
Ye th\u00eam v\u00e0o: \u201cT\u00f4i v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p tin r\u1eb1ng ngo\u00e0i d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt, l\u1eddi khuy\u00ean v\u1ec1 s\u1ee9c kh\u1ecfe khi k\u1ebft th\u00fac c\u00f4ng tr\u00ecnh n\u00e0y c\u00f2n quan tr\u1ecdng h\u01a1n. V\u00ed d\u1ee5 v\u1edbi t\u00e1o, ch\u1ec9 c\u1ea7n g\u1ecdt v\u1ecf l\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c thu\u1ed1c tr\u1eeb s\u00e2u g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n. Do \u0111\u00f3, ch\u00fang t\u00f4i khuy\u00ean ng\u01b0\u1eddi tr\u1ed3ng tr\u1ecdt ch\u1ec9 s\u1eed d\u1ee5ng thu\u1ed1c tr\u1eeb s\u00e2u khi c\u1ea7n thi\u1ebft v\u00e0 tu\u00e2n th\u1ee7.\u201d<\/p>\n
C\u00f4ng tr\u00ecnh n\u00e0y l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn trong khoa h\u1ecdc ph\u00e1t hi\u1ec7n v\u00e0 nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n s\u1ebd \u0111\u00f2i h\u1ecfi s\u1ef1 h\u1ee3p t\u00e1c li\u00ean ng\u00e0nh, bao g\u1ed3m \u0111\u1ed9c t\u00ednh m\u00e3n t\u00ednh c\u1ee7a thu\u1ed1c tr\u1eeb s\u00e2u, ph\u00e1t tri\u1ec3n thu\u1ed1c tr\u1eeb s\u00e2u xanh v\u00e0 chu tr\u00ecnh thu\u1ed1c tr\u1eeb s\u00e2u trong h\u1ec7 sinh th\u00e1i.<\/p>\n
The post Kh\u00f4ng n\u00ean qu\u00e1 tin t\u01b0\u1edfng v\u00e0o n\u01b0\u1edbc r\u1eeda tr\u00e1i c\u00e2y<\/a> appeared first on Saigon Nh\u1ecf<\/a>.<\/p>\n \u00a0<\/p>","protected":false},"excerpt":{"rendered":" Thu\u1ed1c tr\u1eeb s\u00e2u tr\u00ean s\u1ea3n ph\u1ea9m t\u01b0\u01a1i kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf l\u1edbp v\u1ecf, m\u00e0 c\u00f2n \u201c\u0103n v\u00e0o b\u00ean trong\u201d c\u1ee7a tr\u00e1i, n\u00ean d\u00f9ng n\u01b0\u1edbc r\u1eeda c\u0169ng kh\u00f4ng an to\u00e0n. Trong khi nhi\u1ec1u ng\u01b0\u1eddi r\u1eeda tr\u00e1i c\u00e2y v\u00e0 rau \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t c\u1eb7n h\u00f3a h\u1ecdc n\u00e0y, th\u00ec nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e3 ph\u00e1t hi\u1ec7n ra …<\/p>","protected":false},"author":0,"featured_media":52551,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[82,43],"tags":[],"class_list":["post-52550","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-society","category-health"],"_links":{"self":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/52550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/comments?post=52550"}],"version-history":[{"count":0,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/52550\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/media\/52551"}],"wp:attachment":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/media?parent=52550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/categories?post=52550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/tags?post=52550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}