Chí-gōa-sòaⁿ

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(Tùi Chí-goā-soàⁿ choán--lâi)
Thiàu khì: se̍h chām, chhiau-chhoē
Chí-goā-soàⁿ ê kng-chú ē siong-hāi DNA hun-chú ê kiat-kò͘.

Chí-goā-soàⁿ (ultraviolet) tiāⁿ kán-chheng UV, sī 1 chióng tiān-chû-pho, i ê pho-tn̂gkhoàⁿ-ū-kng khah té , pí X siā-soàⁿ khah tn̂g , iok-liōng 1 nm kaù 380 nm. Chí-goā-soàⁿ ham X siā-soàⁿ ē-tàng chō-chiâⁿ êng-kng ê haū-kó. Chí-goā-soàⁿ ē-tàng sat-khún, m̄-koh mā ē siong-hāi phoê-hu ham ba̍k-chiu.