{"id":25618,"date":"2025-06-07T13:02:27","date_gmt":"2025-06-07T06:02:27","guid":{"rendered":"https:\/\/quanghung.name.vn\/thoi-su\/tien-si-dh-bach-khoa-huong-dan-chon-ao-chong-nang\/"},"modified":"2025-06-07T13:02:27","modified_gmt":"2025-06-07T06:02:27","slug":"tien-si-dh-bach-khoa-huong-dan-chon-ao-chong-nang","status":"publish","type":"post","link":"https:\/\/quanghung.name.vn\/?p=25618","title":{"rendered":"Ti\u1ebfn s\u0129 \u0110H B\u00e1ch Khoa h\u01b0\u1edbng d\u1eabn ch\u1ecdn \u00e1o ch\u1ed1ng n\u1eafng"},"content":{"rendered":"
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Ti\u1ebfn s\u0129 V\u0169 Th\u1ecb T\u1ea7n, gi\u1ea3ng vi\u00ean \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa H\u00e0 N\u1ed9i cho bi\u1ebft ch\u1ec9 s\u1ed1 UPF tr\u00ean qu\u1ea7n \u00e1o (Ultraviolet Protection Factor) cho bi\u1ebft l\u01b0\u1ee3ng tia UV (UVA v\u00e0 UVB) m\u00e0 v\u1ea3i cho ph\u00e9p ti\u1ebfp x\u00fac v\u1edbi da.<\/p>\n

C\u1ee5 th\u1ec3, UPF 30 – 49 c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 t\u1ed1t; UPF 50 s\u1ebd ch\u1eb7n 98% tia UV, ch\u1ec9 cho 2% xuy\u00ean qua; UPF \u2265 50 s\u1ebd b\u1ea3o v\u1ec7 t\u1ed1t nh\u1ea5t, theo khuy\u1ebfn ngh\u1ecb c\u1ee7a Qu\u1ef9 Ung th\u01b0 Da.<\/em><\/p>\n

C\u1ea7n l\u01b0u \u00fd ch\u1ec9 s\u1ed1 UPF \u0111o c\u1ea3 tia UVB v\u00e0 UVA, trong khi ch\u1ec9 s\u1ed1 SPF (kem ch\u1ed1ng n\u1eafng) ch\u1ec9 \u0111o tia UVB. Nh\u01b0 v\u1eady thoa kem ch\u1ed1ng n\u1eafng ch\u1ec9 ch\u1ed1ng \u0111\u01b0\u1ee3c tia UVB, c\u00f2n m\u1eb7c \u00e1o ch\u1ed1ng n\u1eafng ch\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea3 2 lo\u1ea1i tia UVB v\u00e0 UVA trong \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/p>\n

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\u00c1o ch\u1ed1ng n\u1eafng t\u1eeb v\u1ea3i polyester, jean ch\u1ed1ng tia UV hi\u1ec7u qu\u1ea3. \u1ea2nh: Nytimes<\/em><\/p>\n<\/figcaption><\/figure>\n

Hai y\u1ebfu t\u1ed1 ch\u1ecdn \u00e1o ch\u1ed1ng n\u1eafng hi\u1ec7u qu\u1ea3.<\/p>\n

M\u00e0u s\u1eafc<\/strong><\/p>\n

\u0110\u1ec3 ch\u1ed1ng n\u1eafng t\u1ed1t nh\u1ea5t h\u00e3y ch\u1ecdn m\u00e0u t\u1ed1i (n\u00e2u, x\u00e1m, \u0111en, xanh than). Tuy nhi\u00ean, m\u00e0u t\u1ed1i h\u1ea5p th\u1ee5 nhi\u1ec7t n\u00ean m\u1eb7c s\u1ebd c\u1ea3m th\u1ea5y n\u00f3ng h\u01a1n, kh\u00f4ng ph\u1ea3i v\u00ec tia UV xuy\u00ean v\u00e0o ng\u01b0\u1eddi, m\u00e0 do ch\u00fang b\u1ecb h\u1ea5p th\u1ee5 v\u00e0 chuy\u1ec3n th\u00e0nh nhi\u1ec7t.<\/p>\n

C\u00e1c m\u00e0u s\u00e1ng nh\u01b0 tr\u1eafng, h\u1ed3ng nh\u1ea1t, v\u00e0ng, xanh nh\u1ea1t… cho nhi\u1ec1u tia UV xuy\u00ean qua n\u00ean kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 k\u00e9m h\u01a1n.<\/p>\n

C\u1ea5u tr\u00fac v\u1ea3i<\/strong><\/p>\n

B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i mua \u00e1o c\u00f3 ch\u1ec9 s\u1ed1 UPF \u0111\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi, nh\u01b0ng n\u00ean nh\u1edb kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i v\u1ea3i \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 nh\u01b0 nhau.<\/p>\n

V\u1ea3i d\u00e0y h\u01a1n, s\u1eabm m\u00e0u h\u01a1n c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng, nh\u1eb9. C\u1ee5 th\u1ec3 c\u00e1c v\u1ea3i d\u1ec7t d\u00e0y nh\u01b0 polyester, jean, v\u1ea3i b\u1ea1t, len, s\u1ee3i t\u1ed5ng h\u1ee3p ch\u1ed1ng UV t\u1ed1t h\u01a1n nhi\u1ec1u v\u1ea3i d\u1ec7t th\u01b0a, v\u1ea3i m\u1ecfng.<\/p>\n

M\u1ed9t chi\u1ebfc \u00e1o ph\u00f4ng tr\u1eafng m\u1ecfng nh\u1eb9, l\u00e0m t\u1eeb 100% cotton c\u00f3 UPF kho\u1ea3ng 7 v\u00e0 gi\u1ea3m xu\u1ed1ng c\u00f2n 3 khi \u01b0\u1edbt. V\u1ea3i denim s\u1eabm m\u00e0u c\u00f3 UPF kho\u1ea3ng 1.700.<\/p>\n

L\u01b0u \u00fd hi\u1ec7n t\u1ea1i \u0111\u00e3 c\u00f3 c\u00e1c lo\u1ea1i v\u1ea3i d\u1ec7t v\u00e0 c\u00f3 th\u00eam ch\u1ea5t ch\u1ed1ng n\u1eafng, ho\u1eb7c ch\u1ea5t ch\u1ed1ng tia UV. Ch\u00fang ta c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1eb1ng c\u00e1ch gi\u01a1 v\u1ea3i l\u00ean \u00e1nh s\u00e1ng. N\u1ebfu th\u1ea5y xuy\u00ean s\u00e1ng, t\u1ee9c tia UV c\u0169ng xuy\u00ean \u0111\u01b0\u1ee3c.<\/p>\n

T\u00f3m l\u1ea1i, n\u00ean ch\u1ecdn v\u1ea3i polyester, d\u00f9 v\u00e0 jean n\u1ebfu mu\u1ed1n ch\u1ed1ng n\u1eafng th\u1eadt s\u1ef1. Ch\u1ecdn \u00e1o c\u00f3 g\u1eafn nh\u00e3n UPF t\u1eeb 50 tr\u1edf l\u00ean v\u00ec \u0111\u00e2y l\u00e0 chu\u1ea9n qu\u1ed1c t\u1ebf \u0111\u1ec3 x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV. M\u00e0u t\u1ed1i hi\u1ec7u qu\u1ea3 h\u01a1n m\u00e0u s\u00e1ng d\u00f9 n\u00f3ng h\u01a1n. C\u0169ng n\u00ean ch\u1ecdn chi\u1ebfc \u00e1o ch\u1ed1ng n\u1eafng v\u1eeba v\u1eb7n, tr\u00e1nh b\u00f3 qu\u00e1 v\u00ec n\u00f3 s\u1ebd b\u1ecb gi\u00e3n, t\u1ea1o kho\u1ea3ng h\u1edf cho tia UV \u0111i qua.<\/p>\n

B\u1ea3o Nhi\u00ean<\/strong><\/p>\n

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Ti\u1ebfn s\u0129 V\u0169 Th\u1ecb T\u1ea7n, gi\u1ea3ng vi\u00ean \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa H\u00e0 N\u1ed9i cho bi\u1ebft ch\u1ec9 s\u1ed1 UPF tr\u00ean qu\u1ea7n \u00e1o (Ultraviolet Protection Factor) cho bi\u1ebft l\u01b0\u1ee3ng tia UV (UVA v\u00e0 UVB) m\u00e0 v\u1ea3i cho ph\u00e9p ti\u1ebfp x\u00fac v\u1edbi da. C\u1ee5 th\u1ec3, UPF 30 – 49 c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 t\u1ed1t; UPF 50 s\u1ebd<\/p>\n","protected":false},"author":1,"featured_media":25619,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAow44a6DA:productID":"","footnotes":""},"categories":[2],"tags":[8027,7540,3099],"class_list":["post-25618","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thoi-su","tag-ao-chong-nang","tag-chong-nang","tag-kem-chong-nang"],"_links":{"self":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/posts\/25618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25618"}],"version-history":[{"count":0,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/posts\/25618\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=\/wp\/v2\/media\/25619"}],"wp:attachment":[{"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quanghung.name.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}