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cy211木蟲 (職業(yè)作家)
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[求助]
求助APTES 和TEOS的分子印跡反應(yīng)--量子點如何分散到乙醇中?
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小弟想請教一個問題,下面是文獻(xiàn)里面的反應(yīng):Briefly, 1.8 mL of TritonX-100 was added to 7.5 mL of cyclohexane, and the resulting mixture was magnetically stirred for 15 min. Subsequently, 400.0 μL of QDs((CdS/CdSe/ZnS)) (500.0 μg), 50.0 μL of TEOS, and 100.0 μL of ammonia (25.0%-28.0%, v/v) were sequentially added. After stirring for 2 h, 15.6 μL of STX (1.0 mg/mL, dissolved in methanol) and 22.8 μL of APTES were added to methanol (0.2 mL) and reacted with the above mixture for 12 h at room temperature. 我就是按照這個反應(yīng)做的,但是最后并沒有得到MIP-QDS,我發(fā)現(xiàn)最后的聚合物特別的少,只有0.01克,并且我分散到乙醇中,測試熒光,并沒有熒光。感覺是反應(yīng)失敗了,不知道為什么QDS沒包在里面?反應(yīng)中我保持避光,但沒有通氮氣。和通氮氣有關(guān)么?請求幫助我一下!十分感謝! |
新蟲 (初入文壇)
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