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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >A water-soluble colorimetric two-photon probe for discrimination of different palladium species and its application in bioimaging
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A water-soluble colorimetric two-photon probe for discrimination of different palladium species and its application in bioimaging

机译：一种用于区分不同钯物种的水溶性比色双光子探针及其在生物成像中的应用

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摘要

A novel water-soluble colorimetric and fluorescent palladium probe with excellent selectivity and sensitivity has been designed. Notably, based on a palladium triggered terminal allyl ether cleavage reaction, the probe could detect and discriminate Pd-0 and Pd2+/Pd4+ in about 2.5 min at room temperature with a low detection limit (0.29 ppb) and significant colour change (from light yellow to pink). The probe could serve as an excellent "naked-eye" colorimetric probe for selective and quantitative determination of palladium in aqueous solutions. Moreover, it could be used as a two-photon palladium probe for in vitro/vivo and three-dimensional imaging with low cytotoxicity and autofluorescence.
机译：设计了一种新型的水溶性比色和荧光钯探针，具有优异的选择性和灵敏度。值得注意的是，基于钯触发的末端烯丙基醚裂解反应，该探针可在室温下约2.5分钟内检测和区分Pd-0和Pd2 + / Pd4 +，且检测限低（0.29 ppb），并且显着变色（由浅黄色引起）变成粉红色）。该探针可作为出色的“裸眼”比色探针，用于选择性和定量测定水溶液中的钯。此外，它还可以用作两光子钯探针，用于体外/体内和三维成像，具有低细胞毒性和自发荧光。

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