本研究主要探討水源中常見的藍綠菌在過氧化氫/光系統下，細胞破損的程度及其胞內代謝物釋出之相關性，所選擇的藍綠菌為產高濃度geosmin能力的魚腥藻(Anabaena circinalis)。實驗以兩種不同光源(紫外燈/高壓汞燈)催化過氧化氫生成氫氧自由基，於固定魚腥藻細胞濃度條件下進行反應。
研究中以探針化合物pCBA(4-Chlorobenzoic acid)間接量測氫氧自由基濃度，以細胞完整性來代表魚腥藻細胞受破壞的程度，其中以螢光染劑SYTOX(SYTOX Green nucleic acid stain)搭配流式細胞儀 (flow cytometer, FCM)及顯微鏡(microscope)此兩種儀器偵測其細胞完整程度。在代謝物分析部分，研究中以geomin 作為魚腥藻主要之代謝物，並應用固相微萃取法(solid phase micro-extraction, SPME)搭配氣相層析質譜儀(gas chromatograph/mass spectrometry detector, GC/MSD)對此臭味物質進行分析。
研究結果發現光源、光照強度、過氧化氫及氫氧自由基皆為影響細胞破裂及代謝物釋出之因素。在光源照射及過氧化氫分別作用下，魚腥藻藻數50,000 cell m/L 於反應150~210分鐘後開始裂解死亡，在過氧化氫/光系統下，細胞遲滯破裂時間大幅縮短至13~110分鐘之範圍內。在代謝物方面，魚腥藻在反應系統中於細胞尚未破裂前即開始釋出部分geosmin，而於細胞完全破裂後，胞內geosmin便會完全釋出至水體中。
細胞完整性之動力學模擬方面，本研究選用Chick-Watson model、Delayed Chick–Watson model與Modified Chick–Watson model三種模式進行模擬。而後發展Geomsin釋出及降解動力模式，結合細胞破裂模式、geosmin直接光解、geosmin揮發及與氫氧自由基反應動力參數，使用獨立量測或文獻數值作為模式輸入參數，合理預測在過氧化氫/紫外光過氧化氫、過氧化氫/高壓汞燈實驗系統中，細胞受到破壞造成geosmin釋出及降解的濃度變化，可提供後續淨水程序藻類控制及水處理相關應用之參考。

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