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手(shou)持ATP熒(ying)(ying)(ying)光(guang)(guang)(guang)檢(jian)測(ce)儀三磷酸腺苷(gan) （Adenosine Triphosphate，ATP）是一(yi)切生(sheng)命(ming)體能量(liang)的(de)(de)直(zhi)接來(lai)源，普(pu)遍存(cun)在于(yu)動(dong)植物(wu)(wu)細(xi)胞、微生(sheng)物(wu)(wu)和食物(wu)(wu)殘留中。ATP熒(ying)(ying)(ying)光(guang)(guang)(guang)檢(jian)測(ce)法是根據螢火蟲發光(guang)(guang)(guang)原(yuan)理開發的(de)(de)快速檢(jian)測(ce)技術。在有氧(yang)條件下，蟲熒(ying)(ying)(ying)光(guang)(guang)(guang)素酶可催化(hua)(hua)蟲熒(ying)(ying)(ying)光(guang)(guang)(guang)素和ATP之間發生(sheng)氧(yang)化(hua)(hua)反(fan)應形成氧(yang)化(hua)(hua)熒(ying)(ying)(ying)光(guang)(guang)(guang)素并發出熒(ying)(ying)(ying)光(guang)(guang)(guang)，發出的(de)(de)熒(ying)(ying)(ying)光(guang)(guang)(guang)強度(du)與(yu)微生(sheng)物(wu)(wu)數量(liang)呈正比(bi)例關(guan)系。通過測(ce)試熒(ying)(ying)(ying)光(guang)(guang)(guang)信號的(de)(de)強度(du)可得知(zhi)待測(ce)目標被微生(sheng)物(wu)(wu)污染的(de)(de)程度(du)