【摘 要】
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We constructed a reaction-based near-infrared fluorescent probe(Niap)to specifically identify alkaline phosphatase(ALP)with fast red fluorescence enhancement.Ba
【机 构】
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College of Chemical Science and Technology,Yunnan University,Kunming 650091,China;National Institute
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We constructed a reaction-based near-infrared fluorescent probe(Niap)to specifically identify alkaline phosphatase(ALP)with fast red fluorescence enhancement.Based on the positive concentration-dependent manner between the fluorescent intensity of the Niap and ALP,probe Niap was used to study the ALP enrichment and variation in golden apple snails(Pomacea canaliculata)exposed to the molluscicide candidate PPU06.After treatment with different concentrations of PPU06 over various times,three organs of the surviving snails,liver,stomach and plantaris,were frozen and sectioned for fluorescent imaging experiments.With increased PPU06 concentration,red fluorescence substantially increased in the liver and reached a maximum within 24 h when the PPU06 concentration was 0.75 mg/L.No obvious changes in the stomach or foot plantaris were found.It showed PPU06 caused liver injury and stimulated the increase of ALP in the liver of P.canaliculata.This study demonstrates a rapid ALP fluorescent identification method that can be used to study the effects of PPU06 on P.canaliculata.It also provides optical evidence that may aid in the discovery of new chemistry for snail control.
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