{"id":13043,"date":"2024-09-25T06:21:07","date_gmt":"2024-09-25T06:21:07","guid":{"rendered":"https:\/\/nafosted.gov.vn\/?p=13043"},"modified":"2025-08-13T06:58:33","modified_gmt":"2025-08-13T06:58:33","slug":"o-nhiem-vi-nhua-trong-cac-loai-so-vem-co-o-muc-dang-lo-ngai","status":"publish","type":"post","link":"https:\/\/nafosted.gov.vn\/o-nhiem-vi-nhua-trong-cac-loai-so-vem-co-o-muc-dang-lo-ngai\/","title":{"rendered":"\u00d4 nhi\u1ec5m vi nh\u1ef1a trong c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m c\u00f3 \u1edf m\u1ee9c \u0111\u00e1ng lo ng\u1ea1i?"},"content":{"rendered":"

V\u1edbi s\u1ef1 t\u00e0i tr\u1ee3 c\u1ee7a NAFOSTED v\u00e0 Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam, nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf \u0110H T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng, B\u1ec7nh vi\u1ec7n Ph\u1ed5i Trung \u01b0\u01a1ng, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam\u2026 v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p Ph\u00e1p th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u \u1edf v\u00f9ng duy\u00ean h\u1ea3i mi\u1ec1n B\u1eafc, tr\u00ean c\u00e1c lo\u00e0i nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf.<\/strong><\/p>\n

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Vi nh\u1ef1a c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 con ng\u01b0\u1eddi qua \u0111\u01b0\u1eddng \u0103n u\u1ed1ng. Ngu\u1ed3n: Shutterstock<\/em><\/figcaption><\/figure>\n

Hi\u1ec7n \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a vi nh\u1ef1a \u1edf nhi\u1ec1u h\u1ec7 sinh th\u00e1i kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 tr\u1ea7m t\u00edch b\u1edd bi\u1ec3n \u0110\u00e0 N\u1eb5ng, Ti\u1ec1n Giang, V\u0169ng T\u00e0u s\u00f4ng S\u00e0i G\u00f2n v\u00e0 k\u00eanh, l\u00f5i tr\u1ea7m t\u00edch s\u00f4ng H\u1ed3ng v\u00e0 Ti\u00ean Y\u00ean\u2026 Lo ng\u1ea1i v\u1ec1 vi nh\u1ef1a tr\u00ean nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf \u1edf Vi\u1ec7t Nam, \u0111\u00e3 c\u00f3 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u1edf Thanh H\u00f3a ghi nh\u1eadn c\u00e1c n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf v\u1eb9m xanh ch\u00e2u \u00c1 (Perna viridis), ngh\u00eau B\u1ebfn (Meretrix lyrata), ngao hai c\u1ed3i (Tapes dorsatus)\u2026<\/p>\n

Tuy nhi\u00ean v\u1eabn ch\u01b0a r\u00f5 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f9a (m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a) v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a vi nh\u1ef1a. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1eb7t gi\u1ea3 thuy\u1ebft c\u00f3 th\u1ec3 l\u00e0 c\u01a1 ch\u1ebf m\u00f9a v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd s\u1ebd \u0111em l\u1ea1i nh\u1eefng g\u1ee3i \u00fd v\u1ec1 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. H\u1ecd \u0111\u00e3 thu th\u1eadp s\u00f2 huy\u1ebft v\u00e0 v\u1eb9m xanh t\u1eeb c\u00e1c b\u00e3i l\u1ea7y tri\u1ec1u thu\u1ed9c c\u1eeda Ba L\u1ea1t, V\u00e2n \u0110\u1ed3n, C\u00e1t B\u00e0, n\u01a1i c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng nh\u00e2n sinh r\u1ea5t \u0111a d\u1ea1ng nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, du l\u1ecbch, v\u1eadn t\u1ea3i\u2026 M\u1eabu \u0111\u01b0\u1ee3c l\u1ea5y trong m\u00f9a m\u01b0a (th\u00e1ng 7\/2020) v\u00e0 m\u00f9a kh\u00f4 (th\u00e1ng 1\/2021).<\/p>\n

Ph\u00e2n t\u00edch cho th\u1ea5y, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf s\u00f2 huy\u1ebft t\u1eeb 1,25 \u0111\u1ebfn 2,67 m\u1ea3nh\/con v\u00e0 t\u1eeb 0,38 \u0111\u1ebfn 1,48 m\u1ea3nh\/gam kh\u00f4. Vi nh\u1ef1a d\u1ea1ng s\u1ee3i chi\u1ebfm nhi\u1ec1u nh\u1ea5t trong t\u1ed5ng s\u1ed1 vi nh\u1ef1a v\u1edbi 93 % trong khi d\u1ea1ng m\u1ea3nh ch\u1ec9 7%. Ph\u1ea7n l\u1edbn d\u1ea1ng s\u1ee3i c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc nh\u01b0 h\u1ed3ng 26 %, t\u00eda 18 %, xanh lam 17%, x\u00e1m 11% v\u00e0 \u0111en 10%. D\u1eabu kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng kh\u00e1c nhau v\u1ec1 h\u00ecnh d\u1ea1ng, m\u00e0u s\u1eafc vi nh\u1ef1a \u1edf ba \u0111\u1ecba \u0111i\u1ec3m l\u1ea5y m\u1eabu c\u0169ng nh\u01b0 theo m\u00f9a nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 th\u00f4ng tin kh\u00e1c nh\u01b0 vi nh\u1ef1a nh\u1ecf nh\u1ea5t l\u00e0 50 \u00b5m, vi nh\u1ef1a l\u1edbn nh\u1ea5t l\u00e0 2.000 \u00b5m v\u00e0 c\u00e1c vi nh\u1ef1a nh\u1ecf d\u01b0\u1edbi 1 mm chi\u1ebfm t\u1edbi h\u01a1n 90 % vi nh\u1ef1a \u1edf m\u1eabu s\u00f2 huy\u1ebft.<\/p>\n

\u1ede v\u1eb9m xanh, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a t\u1eeb 2,13 \u0111\u1ebfn 6,75 tr\u00ean m\u1ed9t con v\u00e0 t\u1eeb 0,33 \u0111\u1ebfn 1,36 vi nh\u1ef1a\/gam kh\u00f4. T\u01b0\u01a1ng t\u1ef1 s\u00f2 huy\u1ebft, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 n\u1ed3ng \u0111\u1ed9 tr\u00ean c\u00e1c con v\u1eb9m xanh, vi nh\u1ef1a d\u1ea1ng s\u1ee3i l\u1ea5n \u00e1t, chi\u1ebfm 93 %, c\u00f2n l\u1ea1i l\u00e0 d\u1ea1ng m\u1ea3nh. H\u1ecd quan s\u00e1t \u0111\u01b0\u1ee3c 10 d\u1ea1ng m\u00e0u s\u1eafc ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ed9t n\u1eeda vi nh\u1ef1a \u1edf v\u1eb9m xanh t\u1eeb 100 \u0111\u1ebfn 300 \u00b5m (46 %), c\u00f2n l\u1ea1i l\u00e0 300 \u0111\u1ebfn 1000 \u00b5m (43 %).<\/p>\n

Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc cho th\u1ea5y, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c d\u1ea1ng polymer v\u1edbi 53 % polyethylene (PE) \u2013 lo\u1ea1i nh\u1ef1a ph\u1ed5 bi\u1ebfn trong bao b\u00ec \u0111\u00f3ng g\u00f3i; 35 % polypropylene (PP) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo th\u01b0\u1eddng l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, v\u00e0 12 % polyvinyl chloride (PVC) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p>\n

S\u1ef1 l\u1ea5n \u00e1t c\u1ee7a vi nh\u1ef1a d\u1ea1ng s\u1ee3i c\u1ee7a c\u1ea3 v\u1eb9m xanh l\u1eabn s\u00f2 huy\u1ebft cho th\u1ea5y xu h\u01b0\u1edbng \u00f4 nhi\u1ec5m c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc v\u00e0 tr\u1ea7m t\u00edch, t\u1eebng \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh trong nghi\u00ean c\u1ee9u l\u1ea5y m\u1eabu \u1edf b\u1ed1n \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau tr\u00ean v\u1ecbnh B\u1eafc B\u1ed9. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c d\u1ea1ng polymer \u1edf hai lo\u00e0i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn n\u01a1i s\u1ed1ng c\u1ee7a t\u1eebng lo\u1ea1i.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, ngu\u1ed3n \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 ch\u1ee7 y\u1ebfu t\u1eeb ho\u1ea1t \u0111\u1ed9ng du l\u1ecbch, sinh ho\u1ea1t v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a nu\u00f4i tr\u1ed3ng, \u0111\u00e1nh b\u1eaft th\u1ee7y s\u1ea3n.<\/p>\n

V\u1eady l\u01b0\u1ee3ng vi nh\u1ef1a n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi? \u01af\u1edbc t\u00ednh, vi\u1ec7c \u0103n c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m ch\u1ee9ng t\u1ecf con ng\u01b0\u1eddi c\u00f3 th\u1ec3 ph\u01a1i nhi\u1ec5m 900 \u0111\u1ebfn 11.500 vi nh\u1ef1a\/ng\u01b0\u1eddi\/n\u0103m, kh\u00f4ng t\u00ednh \u0111\u1ebfn vi\u1ec7c \u0103n c\u00e1c t\u1ea1o v\u1eadt c\u1ee7a bi\u1ec3n kh\u00e1c, nh\u01b0 c\u00e1, mu\u1ed1i\u2026 Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua u\u1ed1ng n\u01b0\u1edbc chai v\u00e0 bia cao g\u1ea5p 15 l\u1ea7n, c\u00f2n h\u00edt th\u1edf, ngu\u1ed3n nhi\u1ec5m l\u1edbn nh\u1ea5t cho ng\u01b0\u1eddi, g\u1ea5p 3.000 l\u1ea7n so v\u1edbi u\u1ed1ng.<\/p>\n

Nghi\u00ean c\u1ee9u ch\u1ec9 d\u1ea5u con ng\u01b0\u1eddi \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 r\u1ee7i ro cao do ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua ba \u0111\u01b0\u1eddng ch\u00ednh: \u0103n u\u1ed1ng, h\u00edt th\u1edf v\u00e0 u\u1ed1ng n\u01b0\u1edbc. Do \u0111\u00f3, h\u1ecd cho r\u1eb1ng c\u1ea7n c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u t\u01b0\u01a1ng lai \u0111\u1ec3 b\u1ed5 sung th\u00eam v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1ec1 nh\u1ef1a \u1edf Vi\u1ec7t Nam, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n trong vi\u1ec7c s\u1eed d\u1ee5ng, t\u00e1i ch\u1ebf v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i nh\u1ef1a \u1edf Vi\u1ec7t Nam \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u00e0i hai m\u1ea3nh v\u1ecf nh\u01b0 m\u1ed9t ch\u1ec9 th\u1ecb sinh h\u1ecdc v\u1ec1 vi nh\u1ef1a.<\/p>\n

B\u00e0i b\u00e1o \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean\u00a0Regional Studies in Marine Science,\u00a0<\/em>\u201cOccurrence of microplastics in bivalves from the northern coast of Viet Nam\u201d.<\/p>\n

Tin: Thanh Nh\u00e0n – T\u1ea1p ch\u00ed Tia S\u00e1ng<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

V\u1edbi s\u1ef1 t\u00e0i tr\u1ee3 c\u1ee7a NAFOSTED v\u00e0 Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam, nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf \u0110H T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng, B\u1ec7nh vi\u1ec7n Ph\u1ed5i Trung \u01b0\u01a1ng, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam\u2026 v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p Ph\u00e1p th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u \u1edf v\u00f9ng duy\u00ean h\u1ea3i mi\u1ec1n B\u1eafc, tr\u00ean c\u00e1c lo\u00e0i nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf. Vi nh\u1ef1a c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 con ng\u01b0\u1eddi qua \u0111\u01b0\u1eddng \u0103n u\u1ed1ng. Ngu\u1ed3n: Shutterstock Hi\u1ec7n \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a vi nh\u1ef1a \u1edf nhi\u1ec1u h\u1ec7 sinh th\u00e1i kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 tr\u1ea7m t\u00edch b\u1edd bi\u1ec3n \u0110\u00e0 N\u1eb5ng, Ti\u1ec1n Giang, V\u0169ng T\u00e0u s\u00f4ng S\u00e0i G\u00f2n v\u00e0 k\u00eanh, l\u00f5i tr\u1ea7m t\u00edch s\u00f4ng H\u1ed3ng v\u00e0 Ti\u00ean Y\u00ean\u2026 Lo ng\u1ea1i v\u1ec1 vi nh\u1ef1a tr\u00ean nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf \u1edf Vi\u1ec7t Nam, \u0111\u00e3 c\u00f3 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u1edf Thanh H\u00f3a ghi nh\u1eadn c\u00e1c n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf v\u1eb9m xanh ch\u00e2u \u00c1 (Perna viridis), ngh\u00eau B\u1ebfn (Meretrix lyrata), ngao hai c\u1ed3i (Tapes dorsatus)\u2026 Tuy nhi\u00ean v\u1eabn ch\u01b0a r\u00f5 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f9a (m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a) v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a vi nh\u1ef1a. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1eb7t gi\u1ea3 thuy\u1ebft c\u00f3 th\u1ec3 l\u00e0 c\u01a1 ch\u1ebf m\u00f9a v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd s\u1ebd \u0111em l\u1ea1i nh\u1eefng g\u1ee3i \u00fd v\u1ec1 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. H\u1ecd \u0111\u00e3 thu th\u1eadp s\u00f2 huy\u1ebft v\u00e0 v\u1eb9m xanh t\u1eeb c\u00e1c b\u00e3i l\u1ea7y tri\u1ec1u thu\u1ed9c c\u1eeda Ba L\u1ea1t, V\u00e2n \u0110\u1ed3n, C\u00e1t B\u00e0, n\u01a1i c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng nh\u00e2n sinh r\u1ea5t \u0111a d\u1ea1ng nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, du l\u1ecbch, v\u1eadn t\u1ea3i\u2026 M\u1eabu \u0111\u01b0\u1ee3c l\u1ea5y trong m\u00f9a m\u01b0a (th\u00e1ng 7\/2020) v\u00e0 m\u00f9a kh\u00f4 (th\u00e1ng 1\/2021). Ph\u00e2n t\u00edch cho th\u1ea5y, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf s\u00f2 huy\u1ebft t\u1eeb 1,25 \u0111\u1ebfn 2,67 m\u1ea3nh\/con v\u00e0 t\u1eeb 0,38 \u0111\u1ebfn 1,48 m\u1ea3nh\/gam kh\u00f4. Vi nh\u1ef1a d\u1ea1ng s\u1ee3i chi\u1ebfm nhi\u1ec1u nh\u1ea5t trong t\u1ed5ng s\u1ed1 vi nh\u1ef1a v\u1edbi 93 % trong khi d\u1ea1ng m\u1ea3nh ch\u1ec9 7%. Ph\u1ea7n l\u1edbn d\u1ea1ng s\u1ee3i c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc nh\u01b0 h\u1ed3ng 26 %, t\u00eda 18 %, xanh lam 17%, x\u00e1m 11% v\u00e0 \u0111en 10%. D\u1eabu kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng kh\u00e1c nhau v\u1ec1 h\u00ecnh d\u1ea1ng, m\u00e0u s\u1eafc vi nh\u1ef1a \u1edf ba \u0111\u1ecba \u0111i\u1ec3m l\u1ea5y m\u1eabu c\u0169ng nh\u01b0 theo m\u00f9a nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 th\u00f4ng tin kh\u00e1c nh\u01b0 vi nh\u1ef1a nh\u1ecf nh\u1ea5t l\u00e0 50 \u00b5m, vi nh\u1ef1a l\u1edbn nh\u1ea5t l\u00e0 2.000 \u00b5m v\u00e0 c\u00e1c vi nh\u1ef1a nh\u1ecf d\u01b0\u1edbi 1 mm chi\u1ebfm t\u1edbi h\u01a1n 90 % vi nh\u1ef1a \u1edf m\u1eabu s\u00f2 huy\u1ebft. \u1ede v\u1eb9m xanh, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a t\u1eeb 2,13 \u0111\u1ebfn 6,75 tr\u00ean m\u1ed9t con v\u00e0 t\u1eeb 0,33 \u0111\u1ebfn 1,36 vi nh\u1ef1a\/gam kh\u00f4. T\u01b0\u01a1ng t\u1ef1 s\u00f2 huy\u1ebft, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 n\u1ed3ng \u0111\u1ed9 tr\u00ean c\u00e1c con v\u1eb9m xanh, vi nh\u1ef1a d\u1ea1ng s\u1ee3i l\u1ea5n \u00e1t, chi\u1ebfm 93 %, c\u00f2n l\u1ea1i l\u00e0 d\u1ea1ng m\u1ea3nh. H\u1ecd quan s\u00e1t \u0111\u01b0\u1ee3c 10 d\u1ea1ng m\u00e0u s\u1eafc ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ed9t n\u1eeda vi nh\u1ef1a \u1edf v\u1eb9m xanh t\u1eeb 100 \u0111\u1ebfn 300 \u00b5m (46 %), c\u00f2n l\u1ea1i l\u00e0 300 \u0111\u1ebfn 1000 \u00b5m (43 %). Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc cho th\u1ea5y, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c d\u1ea1ng polymer v\u1edbi 53 % polyethylene (PE) \u2013 lo\u1ea1i nh\u1ef1a ph\u1ed5 bi\u1ebfn trong bao b\u00ec \u0111\u00f3ng g\u00f3i; 35 % polypropylene (PP) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo th\u01b0\u1eddng l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, v\u00e0 12 % polyvinyl chloride (PVC) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. S\u1ef1 l\u1ea5n \u00e1t c\u1ee7a vi nh\u1ef1a d\u1ea1ng s\u1ee3i c\u1ee7a c\u1ea3 v\u1eb9m xanh l\u1eabn s\u00f2 huy\u1ebft cho th\u1ea5y xu h\u01b0\u1edbng \u00f4 nhi\u1ec5m c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc v\u00e0 tr\u1ea7m t\u00edch, t\u1eebng \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh trong nghi\u00ean c\u1ee9u l\u1ea5y m\u1eabu \u1edf b\u1ed1n \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau tr\u00ean v\u1ecbnh B\u1eafc B\u1ed9. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c d\u1ea1ng polymer \u1edf hai lo\u00e0i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn n\u01a1i s\u1ed1ng c\u1ee7a t\u1eebng lo\u1ea1i. C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, ngu\u1ed3n \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 ch\u1ee7 y\u1ebfu t\u1eeb ho\u1ea1t \u0111\u1ed9ng du l\u1ecbch, sinh ho\u1ea1t v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a nu\u00f4i tr\u1ed3ng, \u0111\u00e1nh b\u1eaft th\u1ee7y s\u1ea3n. V\u1eady l\u01b0\u1ee3ng vi nh\u1ef1a n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi? \u01af\u1edbc t\u00ednh, vi\u1ec7c \u0103n c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m ch\u1ee9ng t\u1ecf con ng\u01b0\u1eddi c\u00f3 th\u1ec3 ph\u01a1i nhi\u1ec5m 900 \u0111\u1ebfn 11.500 vi nh\u1ef1a\/ng\u01b0\u1eddi\/n\u0103m, kh\u00f4ng t\u00ednh \u0111\u1ebfn vi\u1ec7c \u0103n c\u00e1c t\u1ea1o v\u1eadt c\u1ee7a bi\u1ec3n kh\u00e1c, nh\u01b0 c\u00e1, mu\u1ed1i\u2026 Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua u\u1ed1ng n\u01b0\u1edbc chai v\u00e0 bia cao g\u1ea5p 15 l\u1ea7n, c\u00f2n h\u00edt th\u1edf, ngu\u1ed3n nhi\u1ec5m l\u1edbn nh\u1ea5t cho ng\u01b0\u1eddi, g\u1ea5p 3.000 l\u1ea7n so v\u1edbi u\u1ed1ng. Nghi\u00ean c\u1ee9u ch\u1ec9 d\u1ea5u con ng\u01b0\u1eddi \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 r\u1ee7i ro cao do ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua ba \u0111\u01b0\u1eddng ch\u00ednh: \u0103n u\u1ed1ng, h\u00edt th\u1edf v\u00e0 u\u1ed1ng n\u01b0\u1edbc. Do \u0111\u00f3, h\u1ecd cho r\u1eb1ng c\u1ea7n c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u t\u01b0\u01a1ng lai \u0111\u1ec3 b\u1ed5 sung th\u00eam v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1ec1 nh\u1ef1a \u1edf Vi\u1ec7t Nam, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n trong vi\u1ec7c s\u1eed d\u1ee5ng, t\u00e1i ch\u1ebf v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i nh\u1ef1a \u1edf Vi\u1ec7t Nam \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u00e0i hai m\u1ea3nh v\u1ecf nh\u01b0 m\u1ed9t ch\u1ec9 th\u1ecb sinh h\u1ecdc v\u1ec1 vi nh\u1ef1a. B\u00e0i b\u00e1o \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean\u00a0Regional Studies in Marine Science,\u00a0\u201cOccurrence of microplastics in bivalves from the northern coast of Viet Nam\u201d. Tin: Thanh Nh\u00e0n – T\u1ea1p ch\u00ed Tia S\u00e1ng<\/p>\n","protected":false},"author":1,"featured_media":13044,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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s\u1ef1 t\u00e0i tr\u1ee3 c\u1ee7a NAFOSTED v\u00e0 Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam, nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf \u0110H T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng, B\u1ec7nh vi\u1ec7n Ph\u1ed5i Trung \u01b0\u01a1ng, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam\u2026 v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p Ph\u00e1p th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u \u1edf v\u00f9ng duy\u00ean h\u1ea3i mi\u1ec1n B\u1eafc, tr\u00ean c\u00e1c lo\u00e0i nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf. Vi nh\u1ef1a c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 con ng\u01b0\u1eddi qua \u0111\u01b0\u1eddng \u0103n u\u1ed1ng. Ngu\u1ed3n: Shutterstock Hi\u1ec7n \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a vi nh\u1ef1a \u1edf nhi\u1ec1u h\u1ec7 sinh th\u00e1i kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 tr\u1ea7m t\u00edch b\u1edd bi\u1ec3n \u0110\u00e0 N\u1eb5ng, Ti\u1ec1n Giang, V\u0169ng T\u00e0u s\u00f4ng S\u00e0i G\u00f2n v\u00e0 k\u00eanh, l\u00f5i tr\u1ea7m t\u00edch s\u00f4ng H\u1ed3ng v\u00e0 Ti\u00ean Y\u00ean\u2026 Lo ng\u1ea1i v\u1ec1 vi nh\u1ef1a tr\u00ean nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf \u1edf Vi\u1ec7t Nam, \u0111\u00e3 c\u00f3 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u1edf Thanh H\u00f3a ghi nh\u1eadn c\u00e1c n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf v\u1eb9m xanh ch\u00e2u \u00c1 (Perna viridis), ngh\u00eau B\u1ebfn (Meretrix lyrata), ngao hai c\u1ed3i (Tapes dorsatus)\u2026 Tuy nhi\u00ean v\u1eabn ch\u01b0a r\u00f5 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f9a (m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a) v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a vi nh\u1ef1a. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1eb7t gi\u1ea3 thuy\u1ebft c\u00f3 th\u1ec3 l\u00e0 c\u01a1 ch\u1ebf m\u00f9a v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd s\u1ebd \u0111em l\u1ea1i nh\u1eefng g\u1ee3i \u00fd v\u1ec1 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. H\u1ecd \u0111\u00e3 thu th\u1eadp s\u00f2 huy\u1ebft v\u00e0 v\u1eb9m xanh t\u1eeb c\u00e1c b\u00e3i l\u1ea7y tri\u1ec1u thu\u1ed9c c\u1eeda Ba L\u1ea1t, V\u00e2n \u0110\u1ed3n, C\u00e1t B\u00e0, n\u01a1i c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng nh\u00e2n sinh r\u1ea5t \u0111a d\u1ea1ng nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, du l\u1ecbch, v\u1eadn t\u1ea3i\u2026 M\u1eabu \u0111\u01b0\u1ee3c l\u1ea5y trong m\u00f9a m\u01b0a (th\u00e1ng 7\/2020) v\u00e0 m\u00f9a kh\u00f4 (th\u00e1ng 1\/2021). Ph\u00e2n t\u00edch cho th\u1ea5y, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf s\u00f2 huy\u1ebft t\u1eeb 1,25 \u0111\u1ebfn 2,67 m\u1ea3nh\/con v\u00e0 t\u1eeb 0,38 \u0111\u1ebfn 1,48 m\u1ea3nh\/gam kh\u00f4. Vi nh\u1ef1a d\u1ea1ng s\u1ee3i chi\u1ebfm nhi\u1ec1u nh\u1ea5t trong t\u1ed5ng s\u1ed1 vi nh\u1ef1a v\u1edbi 93 % trong khi d\u1ea1ng m\u1ea3nh ch\u1ec9 7%. Ph\u1ea7n l\u1edbn d\u1ea1ng s\u1ee3i c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc nh\u01b0 h\u1ed3ng 26 %, t\u00eda 18 %, xanh lam 17%, x\u00e1m 11% v\u00e0 \u0111en 10%. D\u1eabu kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng kh\u00e1c nhau v\u1ec1 h\u00ecnh d\u1ea1ng, m\u00e0u s\u1eafc vi nh\u1ef1a \u1edf ba \u0111\u1ecba \u0111i\u1ec3m l\u1ea5y m\u1eabu c\u0169ng nh\u01b0 theo m\u00f9a nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 th\u00f4ng tin kh\u00e1c nh\u01b0 vi nh\u1ef1a nh\u1ecf nh\u1ea5t l\u00e0 50 \u00b5m, vi nh\u1ef1a l\u1edbn nh\u1ea5t l\u00e0 2.000 \u00b5m v\u00e0 c\u00e1c vi nh\u1ef1a nh\u1ecf d\u01b0\u1edbi 1 mm chi\u1ebfm t\u1edbi h\u01a1n 90 % vi nh\u1ef1a \u1edf m\u1eabu s\u00f2 huy\u1ebft. \u1ede v\u1eb9m xanh, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a t\u1eeb 2,13 \u0111\u1ebfn 6,75 tr\u00ean m\u1ed9t con v\u00e0 t\u1eeb 0,33 \u0111\u1ebfn 1,36 vi nh\u1ef1a\/gam kh\u00f4. T\u01b0\u01a1ng t\u1ef1 s\u00f2 huy\u1ebft, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 n\u1ed3ng \u0111\u1ed9 tr\u00ean c\u00e1c con v\u1eb9m xanh, vi nh\u1ef1a d\u1ea1ng s\u1ee3i l\u1ea5n \u00e1t, chi\u1ebfm 93 %, c\u00f2n l\u1ea1i l\u00e0 d\u1ea1ng m\u1ea3nh. H\u1ecd quan s\u00e1t \u0111\u01b0\u1ee3c 10 d\u1ea1ng m\u00e0u s\u1eafc ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ed9t n\u1eeda vi nh\u1ef1a \u1edf v\u1eb9m xanh t\u1eeb 100 \u0111\u1ebfn 300 \u00b5m (46 %), c\u00f2n l\u1ea1i l\u00e0 300 \u0111\u1ebfn 1000 \u00b5m (43 %). Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc cho th\u1ea5y, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c d\u1ea1ng polymer v\u1edbi 53 % polyethylene (PE) \u2013 lo\u1ea1i nh\u1ef1a ph\u1ed5 bi\u1ebfn trong bao b\u00ec \u0111\u00f3ng g\u00f3i; 35 % polypropylene (PP) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo th\u01b0\u1eddng l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, v\u00e0 12 % polyvinyl chloride (PVC) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. S\u1ef1 l\u1ea5n \u00e1t c\u1ee7a vi nh\u1ef1a d\u1ea1ng s\u1ee3i c\u1ee7a c\u1ea3 v\u1eb9m xanh l\u1eabn s\u00f2 huy\u1ebft cho th\u1ea5y xu h\u01b0\u1edbng \u00f4 nhi\u1ec5m c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc v\u00e0 tr\u1ea7m t\u00edch, t\u1eebng \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh trong nghi\u00ean c\u1ee9u l\u1ea5y m\u1eabu \u1edf b\u1ed1n \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau tr\u00ean v\u1ecbnh B\u1eafc B\u1ed9. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c d\u1ea1ng polymer \u1edf hai lo\u00e0i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn n\u01a1i s\u1ed1ng c\u1ee7a t\u1eebng lo\u1ea1i. C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, ngu\u1ed3n \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 ch\u1ee7 y\u1ebfu t\u1eeb ho\u1ea1t \u0111\u1ed9ng du l\u1ecbch, sinh ho\u1ea1t v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a nu\u00f4i tr\u1ed3ng, \u0111\u00e1nh b\u1eaft th\u1ee7y s\u1ea3n. V\u1eady l\u01b0\u1ee3ng vi nh\u1ef1a n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi? \u01af\u1edbc t\u00ednh, vi\u1ec7c \u0103n c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m ch\u1ee9ng t\u1ecf con ng\u01b0\u1eddi c\u00f3 th\u1ec3 ph\u01a1i nhi\u1ec5m 900 \u0111\u1ebfn 11.500 vi nh\u1ef1a\/ng\u01b0\u1eddi\/n\u0103m, kh\u00f4ng t\u00ednh \u0111\u1ebfn vi\u1ec7c \u0103n c\u00e1c t\u1ea1o v\u1eadt c\u1ee7a bi\u1ec3n kh\u00e1c, nh\u01b0 c\u00e1, mu\u1ed1i\u2026 Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua u\u1ed1ng n\u01b0\u1edbc chai v\u00e0 bia cao g\u1ea5p 15 l\u1ea7n, c\u00f2n h\u00edt th\u1edf, ngu\u1ed3n nhi\u1ec5m l\u1edbn nh\u1ea5t cho ng\u01b0\u1eddi, g\u1ea5p 3.000 l\u1ea7n so v\u1edbi u\u1ed1ng. Nghi\u00ean c\u1ee9u ch\u1ec9 d\u1ea5u con ng\u01b0\u1eddi \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 r\u1ee7i ro cao do ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua ba \u0111\u01b0\u1eddng ch\u00ednh: \u0103n u\u1ed1ng, h\u00edt th\u1edf v\u00e0 u\u1ed1ng n\u01b0\u1edbc. Do \u0111\u00f3, h\u1ecd cho r\u1eb1ng c\u1ea7n c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u t\u01b0\u01a1ng lai \u0111\u1ec3 b\u1ed5 sung th\u00eam v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1ec1 nh\u1ef1a \u1edf Vi\u1ec7t Nam, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n trong vi\u1ec7c s\u1eed d\u1ee5ng, t\u00e1i ch\u1ebf v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i nh\u1ef1a \u1edf Vi\u1ec7t Nam \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u00e0i hai m\u1ea3nh v\u1ecf nh\u01b0 m\u1ed9t ch\u1ec9 th\u1ecb sinh h\u1ecdc v\u1ec1 vi nh\u1ef1a. B\u00e0i b\u00e1o \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean\u00a0Regional Studies in Marine Science,\u00a0\u201cOccurrence of microplastics in bivalves from the northern coast of Viet Nam\u201d. Tin: Thanh Nh\u00e0n – T\u1ea1p ch\u00ed Tia S\u00e1ng","magazineBlocksPostCategories":["K\u1ebft qu\u1ea3 t\u00e0i tr\u1ee3 n\u1ed5i b\u1eadt","T\u00e0i tr\u1ee3"],"magazineBlocksPostViewCount":4658,"magazineBlocksPostReadTime":8,"magazine_blocks_featured_image_url":{"full":["https:\/\/nafosted.gov.vn\/wp-content\/uploads\/2025\/01\/shutterstock-o-nhiem-vi-nhua-so-vem-1170x700-1.jpg",1170,700,false],"medium":["https:\/\/nafosted.gov.vn\/wp-content\/uploads\/2025\/01\/shutterstock-o-nhiem-vi-nhua-so-vem-1170x700-1-300x179.jpg",300,179,true],"thumbnail":["https:\/\/nafosted.gov.vn\/wp-content\/uploads\/2025\/01\/shutterstock-o-nhiem-vi-nhua-so-vem-1170x700-1-150x150.jpg",150,150,true]},"magazine_blocks_author":{"display_name":"admin","author_link":"https:\/\/nafosted.gov.vn\/author\/admin\/"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/01be2b7eaa21fe4e25b709d19349c0fb?s=96&d=mm&r=g","magazine_blocks_category":"K\u1ebft qu\u1ea3 t\u00e0i tr\u1ee3 n\u1ed5i b\u1eadt<\/a> T\u00e0i tr\u1ee3<\/a>","yoast_head":"\r\n\u00d4 nhi\u1ec5m vi nh\u1ef1a trong c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m c\u00f3 \u1edf m\u1ee9c \u0111\u00e1ng lo ng\u1ea1i? - Qu\u1ef9 Ph\u00e1t tri\u1ec3n khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Qu\u1ed1c gia<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/nafosted.gov.vn\/o-nhiem-vi-nhua-trong-cac-loai-so-vem-co-o-muc-dang-lo-ngai\/\" \/>\r\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"\u00d4 nhi\u1ec5m vi nh\u1ef1a trong c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m c\u00f3 \u1edf m\u1ee9c \u0111\u00e1ng lo ng\u1ea1i? - Qu\u1ef9 Ph\u00e1t tri\u1ec3n khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Qu\u1ed1c gia\" \/>\r\n<meta property=\"og:description\" content=\"V\u1edbi s\u1ef1 t\u00e0i tr\u1ee3 c\u1ee7a NAFOSTED v\u00e0 Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam, nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf \u0110H T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng, B\u1ec7nh vi\u1ec7n Ph\u1ed5i Trung \u01b0\u01a1ng, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam\u2026 v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p Ph\u00e1p th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u \u1edf v\u00f9ng duy\u00ean h\u1ea3i mi\u1ec1n B\u1eafc, tr\u00ean c\u00e1c lo\u00e0i nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf. Vi nh\u1ef1a c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 con ng\u01b0\u1eddi qua \u0111\u01b0\u1eddng \u0103n u\u1ed1ng. Ngu\u1ed3n: Shutterstock Hi\u1ec7n \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a vi nh\u1ef1a \u1edf nhi\u1ec1u h\u1ec7 sinh th\u00e1i kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 tr\u1ea7m t\u00edch b\u1edd bi\u1ec3n \u0110\u00e0 N\u1eb5ng, Ti\u1ec1n Giang, V\u0169ng T\u00e0u s\u00f4ng S\u00e0i G\u00f2n v\u00e0 k\u00eanh, l\u00f5i tr\u1ea7m t\u00edch s\u00f4ng H\u1ed3ng v\u00e0 Ti\u00ean Y\u00ean\u2026 Lo ng\u1ea1i v\u1ec1 vi nh\u1ef1a tr\u00ean nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf \u1edf Vi\u1ec7t Nam, \u0111\u00e3 c\u00f3 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u1edf Thanh H\u00f3a ghi nh\u1eadn c\u00e1c n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf v\u1eb9m xanh ch\u00e2u \u00c1 (Perna viridis), ngh\u00eau B\u1ebfn (Meretrix lyrata), ngao hai c\u1ed3i (Tapes dorsatus)\u2026 Tuy nhi\u00ean v\u1eabn ch\u01b0a r\u00f5 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f9a (m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a) v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a vi nh\u1ef1a. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1eb7t gi\u1ea3 thuy\u1ebft c\u00f3 th\u1ec3 l\u00e0 c\u01a1 ch\u1ebf m\u00f9a v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd s\u1ebd \u0111em l\u1ea1i nh\u1eefng g\u1ee3i \u00fd v\u1ec1 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. H\u1ecd \u0111\u00e3 thu th\u1eadp s\u00f2 huy\u1ebft v\u00e0 v\u1eb9m xanh t\u1eeb c\u00e1c b\u00e3i l\u1ea7y tri\u1ec1u thu\u1ed9c c\u1eeda Ba L\u1ea1t, V\u00e2n \u0110\u1ed3n, C\u00e1t B\u00e0, n\u01a1i c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng nh\u00e2n sinh r\u1ea5t \u0111a d\u1ea1ng nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, du l\u1ecbch, v\u1eadn t\u1ea3i\u2026 M\u1eabu \u0111\u01b0\u1ee3c l\u1ea5y trong m\u00f9a m\u01b0a (th\u00e1ng 7\/2020) v\u00e0 m\u00f9a kh\u00f4 (th\u00e1ng 1\/2021). Ph\u00e2n t\u00edch cho th\u1ea5y, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf s\u00f2 huy\u1ebft t\u1eeb 1,25 \u0111\u1ebfn 2,67 m\u1ea3nh\/con v\u00e0 t\u1eeb 0,38 \u0111\u1ebfn 1,48 m\u1ea3nh\/gam kh\u00f4. Vi nh\u1ef1a d\u1ea1ng s\u1ee3i chi\u1ebfm nhi\u1ec1u nh\u1ea5t trong t\u1ed5ng s\u1ed1 vi nh\u1ef1a v\u1edbi 93 % trong khi d\u1ea1ng m\u1ea3nh ch\u1ec9 7%. Ph\u1ea7n l\u1edbn d\u1ea1ng s\u1ee3i c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc nh\u01b0 h\u1ed3ng 26 %, t\u00eda 18 %, xanh lam 17%, x\u00e1m 11% v\u00e0 \u0111en 10%. D\u1eabu kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng kh\u00e1c nhau v\u1ec1 h\u00ecnh d\u1ea1ng, m\u00e0u s\u1eafc vi nh\u1ef1a \u1edf ba \u0111\u1ecba \u0111i\u1ec3m l\u1ea5y m\u1eabu c\u0169ng nh\u01b0 theo m\u00f9a nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 th\u00f4ng tin kh\u00e1c nh\u01b0 vi nh\u1ef1a nh\u1ecf nh\u1ea5t l\u00e0 50 \u00b5m, vi nh\u1ef1a l\u1edbn nh\u1ea5t l\u00e0 2.000 \u00b5m v\u00e0 c\u00e1c vi nh\u1ef1a nh\u1ecf d\u01b0\u1edbi 1 mm chi\u1ebfm t\u1edbi h\u01a1n 90 % vi nh\u1ef1a \u1edf m\u1eabu s\u00f2 huy\u1ebft. \u1ede v\u1eb9m xanh, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a t\u1eeb 2,13 \u0111\u1ebfn 6,75 tr\u00ean m\u1ed9t con v\u00e0 t\u1eeb 0,33 \u0111\u1ebfn 1,36 vi nh\u1ef1a\/gam kh\u00f4. T\u01b0\u01a1ng t\u1ef1 s\u00f2 huy\u1ebft, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 n\u1ed3ng \u0111\u1ed9 tr\u00ean c\u00e1c con v\u1eb9m xanh, vi nh\u1ef1a d\u1ea1ng s\u1ee3i l\u1ea5n \u00e1t, chi\u1ebfm 93 %, c\u00f2n l\u1ea1i l\u00e0 d\u1ea1ng m\u1ea3nh. H\u1ecd quan s\u00e1t \u0111\u01b0\u1ee3c 10 d\u1ea1ng m\u00e0u s\u1eafc ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ed9t n\u1eeda vi nh\u1ef1a \u1edf v\u1eb9m xanh t\u1eeb 100 \u0111\u1ebfn 300 \u00b5m (46 %), c\u00f2n l\u1ea1i l\u00e0 300 \u0111\u1ebfn 1000 \u00b5m (43 %). Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc cho th\u1ea5y, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c d\u1ea1ng polymer v\u1edbi 53 % polyethylene (PE) \u2013 lo\u1ea1i nh\u1ef1a ph\u1ed5 bi\u1ebfn trong bao b\u00ec \u0111\u00f3ng g\u00f3i; 35 % polypropylene (PP) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo th\u01b0\u1eddng l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, v\u00e0 12 % polyvinyl chloride (PVC) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. S\u1ef1 l\u1ea5n \u00e1t c\u1ee7a vi nh\u1ef1a d\u1ea1ng s\u1ee3i c\u1ee7a c\u1ea3 v\u1eb9m xanh l\u1eabn s\u00f2 huy\u1ebft cho th\u1ea5y xu h\u01b0\u1edbng \u00f4 nhi\u1ec5m c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc v\u00e0 tr\u1ea7m t\u00edch, t\u1eebng \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh trong nghi\u00ean c\u1ee9u l\u1ea5y m\u1eabu \u1edf b\u1ed1n \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau tr\u00ean v\u1ecbnh B\u1eafc B\u1ed9. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c d\u1ea1ng polymer \u1edf hai lo\u00e0i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn n\u01a1i s\u1ed1ng c\u1ee7a t\u1eebng lo\u1ea1i. C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, ngu\u1ed3n \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 ch\u1ee7 y\u1ebfu t\u1eeb ho\u1ea1t \u0111\u1ed9ng du l\u1ecbch, sinh ho\u1ea1t v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a nu\u00f4i tr\u1ed3ng, \u0111\u00e1nh b\u1eaft th\u1ee7y s\u1ea3n. V\u1eady l\u01b0\u1ee3ng vi nh\u1ef1a n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi? \u01af\u1edbc t\u00ednh, vi\u1ec7c \u0103n c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m ch\u1ee9ng t\u1ecf con ng\u01b0\u1eddi c\u00f3 th\u1ec3 ph\u01a1i nhi\u1ec5m 900 \u0111\u1ebfn 11.500 vi nh\u1ef1a\/ng\u01b0\u1eddi\/n\u0103m, kh\u00f4ng t\u00ednh \u0111\u1ebfn vi\u1ec7c \u0103n c\u00e1c t\u1ea1o v\u1eadt c\u1ee7a bi\u1ec3n kh\u00e1c, nh\u01b0 c\u00e1, mu\u1ed1i\u2026 Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua u\u1ed1ng n\u01b0\u1edbc chai v\u00e0 bia cao g\u1ea5p 15 l\u1ea7n, c\u00f2n h\u00edt th\u1edf, ngu\u1ed3n nhi\u1ec5m l\u1edbn nh\u1ea5t cho ng\u01b0\u1eddi, g\u1ea5p 3.000 l\u1ea7n so v\u1edbi u\u1ed1ng. Nghi\u00ean c\u1ee9u ch\u1ec9 d\u1ea5u con ng\u01b0\u1eddi \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 r\u1ee7i ro cao do ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua ba \u0111\u01b0\u1eddng ch\u00ednh: \u0103n u\u1ed1ng, h\u00edt th\u1edf v\u00e0 u\u1ed1ng n\u01b0\u1edbc. Do \u0111\u00f3, h\u1ecd cho r\u1eb1ng c\u1ea7n c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u t\u01b0\u01a1ng lai \u0111\u1ec3 b\u1ed5 sung th\u00eam v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1ec1 nh\u1ef1a \u1edf Vi\u1ec7t Nam, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n trong vi\u1ec7c s\u1eed d\u1ee5ng, t\u00e1i ch\u1ebf v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i nh\u1ef1a \u1edf Vi\u1ec7t Nam \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u00e0i hai m\u1ea3nh v\u1ecf nh\u01b0 m\u1ed9t ch\u1ec9 th\u1ecb sinh h\u1ecdc v\u1ec1 vi nh\u1ef1a. B\u00e0i b\u00e1o \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean\u00a0Regional Studies in Marine Science,\u00a0\u201cOccurrence of microplastics in bivalves from the northern coast of Viet Nam\u201d. 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- Qu\u1ef9 Ph\u00e1t tri\u1ec3n khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Qu\u1ed1c gia","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nafosted.gov.vn\/o-nhiem-vi-nhua-trong-cac-loai-so-vem-co-o-muc-dang-lo-ngai\/","og_locale":"vi_VN","og_type":"article","og_title":"\u00d4 nhi\u1ec5m vi nh\u1ef1a trong c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m c\u00f3 \u1edf m\u1ee9c \u0111\u00e1ng lo ng\u1ea1i? - Qu\u1ef9 Ph\u00e1t tri\u1ec3n khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Qu\u1ed1c gia","og_description":"V\u1edbi s\u1ef1 t\u00e0i tr\u1ee3 c\u1ee7a NAFOSTED v\u00e0 Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam, nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf \u0110H T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng, B\u1ec7nh vi\u1ec7n Ph\u1ed5i Trung \u01b0\u01a1ng, Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam\u2026 v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p Ph\u00e1p th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u \u1edf v\u00f9ng duy\u00ean h\u1ea3i mi\u1ec1n B\u1eafc, tr\u00ean c\u00e1c lo\u00e0i nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf. Vi nh\u1ef1a c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 con ng\u01b0\u1eddi qua \u0111\u01b0\u1eddng \u0103n u\u1ed1ng. Ngu\u1ed3n: Shutterstock Hi\u1ec7n \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a vi nh\u1ef1a \u1edf nhi\u1ec1u h\u1ec7 sinh th\u00e1i kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 tr\u1ea7m t\u00edch b\u1edd bi\u1ec3n \u0110\u00e0 N\u1eb5ng, Ti\u1ec1n Giang, V\u0169ng T\u00e0u s\u00f4ng S\u00e0i G\u00f2n v\u00e0 k\u00eanh, l\u00f5i tr\u1ea7m t\u00edch s\u00f4ng H\u1ed3ng v\u00e0 Ti\u00ean Y\u00ean\u2026 Lo ng\u1ea1i v\u1ec1 vi nh\u1ef1a tr\u00ean nhuy\u1ec5n th\u1ec3 hai m\u1ea3nh v\u1ecf \u1edf Vi\u1ec7t Nam, \u0111\u00e3 c\u00f3 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 \u1edf Thanh H\u00f3a ghi nh\u1eadn c\u00e1c n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf v\u1eb9m xanh ch\u00e2u \u00c1 (Perna viridis), ngh\u00eau B\u1ebfn (Meretrix lyrata), ngao hai c\u1ed3i (Tapes dorsatus)\u2026 Tuy nhi\u00ean v\u1eabn ch\u01b0a r\u00f5 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f9a (m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a) v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a vi nh\u1ef1a. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1eb7t gi\u1ea3 thuy\u1ebft c\u00f3 th\u1ec3 l\u00e0 c\u01a1 ch\u1ebf m\u00f9a v\u00e0 v\u00f9ng \u0111\u1ecba l\u00fd s\u1ebd \u0111em l\u1ea1i nh\u1eefng g\u1ee3i \u00fd v\u1ec1 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. H\u1ecd \u0111\u00e3 thu th\u1eadp s\u00f2 huy\u1ebft v\u00e0 v\u1eb9m xanh t\u1eeb c\u00e1c b\u00e3i l\u1ea7y tri\u1ec1u thu\u1ed9c c\u1eeda Ba L\u1ea1t, V\u00e2n \u0110\u1ed3n, C\u00e1t B\u00e0, n\u01a1i c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng nh\u00e2n sinh r\u1ea5t \u0111a d\u1ea1ng nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, du l\u1ecbch, v\u1eadn t\u1ea3i\u2026 M\u1eabu \u0111\u01b0\u1ee3c l\u1ea5y trong m\u00f9a m\u01b0a (th\u00e1ng 7\/2020) v\u00e0 m\u00f9a kh\u00f4 (th\u00e1ng 1\/2021). Ph\u00e2n t\u00edch cho th\u1ea5y, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a \u1edf s\u00f2 huy\u1ebft t\u1eeb 1,25 \u0111\u1ebfn 2,67 m\u1ea3nh\/con v\u00e0 t\u1eeb 0,38 \u0111\u1ebfn 1,48 m\u1ea3nh\/gam kh\u00f4. Vi nh\u1ef1a d\u1ea1ng s\u1ee3i chi\u1ebfm nhi\u1ec1u nh\u1ea5t trong t\u1ed5ng s\u1ed1 vi nh\u1ef1a v\u1edbi 93 % trong khi d\u1ea1ng m\u1ea3nh ch\u1ec9 7%. Ph\u1ea7n l\u1edbn d\u1ea1ng s\u1ee3i c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc nh\u01b0 h\u1ed3ng 26 %, t\u00eda 18 %, xanh lam 17%, x\u00e1m 11% v\u00e0 \u0111en 10%. D\u1eabu kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng kh\u00e1c nhau v\u1ec1 h\u00ecnh d\u1ea1ng, m\u00e0u s\u1eafc vi nh\u1ef1a \u1edf ba \u0111\u1ecba \u0111i\u1ec3m l\u1ea5y m\u1eabu c\u0169ng nh\u01b0 theo m\u00f9a nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 th\u00f4ng tin kh\u00e1c nh\u01b0 vi nh\u1ef1a nh\u1ecf nh\u1ea5t l\u00e0 50 \u00b5m, vi nh\u1ef1a l\u1edbn nh\u1ea5t l\u00e0 2.000 \u00b5m v\u00e0 c\u00e1c vi nh\u1ef1a nh\u1ecf d\u01b0\u1edbi 1 mm chi\u1ebfm t\u1edbi h\u01a1n 90 % vi nh\u1ef1a \u1edf m\u1eabu s\u00f2 huy\u1ebft. \u1ede v\u1eb9m xanh, n\u1ed3ng \u0111\u1ed9 vi nh\u1ef1a t\u1eeb 2,13 \u0111\u1ebfn 6,75 tr\u00ean m\u1ed9t con v\u00e0 t\u1eeb 0,33 \u0111\u1ebfn 1,36 vi nh\u1ef1a\/gam kh\u00f4. T\u01b0\u01a1ng t\u1ef1 s\u00f2 huy\u1ebft, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 n\u1ed3ng \u0111\u1ed9 tr\u00ean c\u00e1c con v\u1eb9m xanh, vi nh\u1ef1a d\u1ea1ng s\u1ee3i l\u1ea5n \u00e1t, chi\u1ebfm 93 %, c\u00f2n l\u1ea1i l\u00e0 d\u1ea1ng m\u1ea3nh. H\u1ecd quan s\u00e1t \u0111\u01b0\u1ee3c 10 d\u1ea1ng m\u00e0u s\u1eafc ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ed9t n\u1eeda vi nh\u1ef1a \u1edf v\u1eb9m xanh t\u1eeb 100 \u0111\u1ebfn 300 \u00b5m (46 %), c\u00f2n l\u1ea1i l\u00e0 300 \u0111\u1ebfn 1000 \u00b5m (43 %). Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc cho th\u1ea5y, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c d\u1ea1ng polymer v\u1edbi 53 % polyethylene (PE) \u2013 lo\u1ea1i nh\u1ef1a ph\u1ed5 bi\u1ebfn trong bao b\u00ec \u0111\u00f3ng g\u00f3i; 35 % polypropylene (PP) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo th\u01b0\u1eddng l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, v\u00e0 12 % polyvinyl chloride (PVC) \u2013 lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. S\u1ef1 l\u1ea5n \u00e1t c\u1ee7a vi nh\u1ef1a d\u1ea1ng s\u1ee3i c\u1ee7a c\u1ea3 v\u1eb9m xanh l\u1eabn s\u00f2 huy\u1ebft cho th\u1ea5y xu h\u01b0\u1edbng \u00f4 nhi\u1ec5m c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc v\u00e0 tr\u1ea7m t\u00edch, t\u1eebng \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh trong nghi\u00ean c\u1ee9u l\u1ea5y m\u1eabu \u1edf b\u1ed1n \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau tr\u00ean v\u1ecbnh B\u1eafc B\u1ed9. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c d\u1ea1ng polymer \u1edf hai lo\u00e0i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn n\u01a1i s\u1ed1ng c\u1ee7a t\u1eebng lo\u1ea1i. C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, ngu\u1ed3n \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 ch\u1ee7 y\u1ebfu t\u1eeb ho\u1ea1t \u0111\u1ed9ng du l\u1ecbch, sinh ho\u1ea1t v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a nu\u00f4i tr\u1ed3ng, \u0111\u00e1nh b\u1eaft th\u1ee7y s\u1ea3n. V\u1eady l\u01b0\u1ee3ng vi nh\u1ef1a n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi? \u01af\u1edbc t\u00ednh, vi\u1ec7c \u0103n c\u00e1c lo\u00e0i s\u00f2 v\u1eb9m ch\u1ee9ng t\u1ecf con ng\u01b0\u1eddi c\u00f3 th\u1ec3 ph\u01a1i nhi\u1ec5m 900 \u0111\u1ebfn 11.500 vi nh\u1ef1a\/ng\u01b0\u1eddi\/n\u0103m, kh\u00f4ng t\u00ednh \u0111\u1ebfn vi\u1ec7c \u0103n c\u00e1c t\u1ea1o v\u1eadt c\u1ee7a bi\u1ec3n kh\u00e1c, nh\u01b0 c\u00e1, mu\u1ed1i\u2026 Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua u\u1ed1ng n\u01b0\u1edbc chai v\u00e0 bia cao g\u1ea5p 15 l\u1ea7n, c\u00f2n h\u00edt th\u1edf, ngu\u1ed3n nhi\u1ec5m l\u1edbn nh\u1ea5t cho ng\u01b0\u1eddi, g\u1ea5p 3.000 l\u1ea7n so v\u1edbi u\u1ed1ng. Nghi\u00ean c\u1ee9u ch\u1ec9 d\u1ea5u con ng\u01b0\u1eddi \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 r\u1ee7i ro cao do ph\u01a1i nhi\u1ec5m vi nh\u1ef1a qua ba \u0111\u01b0\u1eddng ch\u00ednh: \u0103n u\u1ed1ng, h\u00edt th\u1edf v\u00e0 u\u1ed1ng n\u01b0\u1edbc. Do \u0111\u00f3, h\u1ecd cho r\u1eb1ng c\u1ea7n c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u t\u01b0\u01a1ng lai \u0111\u1ec3 b\u1ed5 sung th\u00eam v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1ec1 nh\u1ef1a \u1edf Vi\u1ec7t Nam, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n trong vi\u1ec7c s\u1eed d\u1ee5ng, t\u00e1i ch\u1ebf v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i nh\u1ef1a \u1edf Vi\u1ec7t Nam \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u00e0i hai m\u1ea3nh v\u1ecf nh\u01b0 m\u1ed9t ch\u1ec9 th\u1ecb sinh h\u1ecdc v\u1ec1 vi nh\u1ef1a. B\u00e0i b\u00e1o \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean\u00a0Regional Studies in Marine Science,\u00a0\u201cOccurrence of microplastics in bivalves from the northern coast of Viet Nam\u201d. Tin: Thanh Nh\u00e0n – T\u1ea1p ch\u00ed Tia S\u00e1ng","og_url":"https:\/\/nafosted.gov.vn\/o-nhiem-vi-nhua-trong-cac-loai-so-vem-co-o-muc-dang-lo-ngai\/","og_site_name":"Qu\u1ef9 Ph\u00e1t tri\u1ec3n khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Qu\u1ed1c gia","article_published_time":"2024-09-25T06:21:07+00:00","article_modified_time":"2025-08-13T06:58:33+00:00","og_image":[{"width":1170,"height":700,"url":"https:\/\/nafosted.gov.vn\/wp-content\/uploads\/2025\/01\/shutterstock-o-nhiem-vi-nhua-so-vem-1170x700-1.jpg","type":"image\/jpeg"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"admin","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"6 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