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- W2746240832 abstract "Specific detection or imaging protein has high potential to contribute greatly to medical diagnosis, biological research, and therapeutic applications. The level of human serum albumin (HSA) in blood is related to a variety of diseases and thus serves as an important biomarker for fast clinical diagnosis. Here we report the use of aggregation-induced emission (AIE) based supramolecular assembly to design biomolecular responsive smart organic nanomaterials for detection protein HSA. The designed nanoprobes were aggregates of small molecules and silent in fluorescence, but in the presence of HSA they disassembled and produced a clear turn-on fluorescent signal. Of a small library of nanoprobes constructed for HSA detection, structure-optical signaling and screening studies revealed that nanoprobe 7 is the most efficient one. Mechanism studies showed that nanoprobe 7 was bonded with Site I of HSA through the multiple noncovalent interactions. The resultant restriction of intramolecular rotation of nanoprobe 7 in the hydrophobic cavity of HSA induced fluorescent emission, which was validated by competitive binding assays and molecular docking. More importantly, nanoprobe 7 was successfully applied to recognize and quantify HSA in human serum samples. This study demonstrates nanoprobe 7 is a promising tool for clinical real and fast detection of HSA and thus may find many applications, and the molecular assembly based on AIE also opens a new avenue for designing smart nanomaterials for the sensitive and selective detection for varied analytes." @default.
- W2746240832 created "2017-08-31" @default.
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- W2746240832 date "2017-09-07" @default.
- W2746240832 modified "2023-10-14" @default.
- W2746240832 title "Smart Self-Assembled Organic Nanoprobe for Protein-Specific Detection: Design, Synthesis, Application, and Mechanism Studies" @default.
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- W2746240832 doi "https://doi.org/10.1021/acs.analchem.7b02923" @default.
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