Wenyun Pan , Yuyu Yang , Qiao Liang , Fei Zhang , Qianshan Shao , Chunxiao Li , Zhengxi Hu , Guang Chen , Baolei Fan
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引用次数: 0
Abstract
Cell fluorescence visualization is a promising method for disease detection, which can realize dynamic monitoring of living cells and provide the possibility for early diagnosis and treatment of diseases. However, most probes have low targeting and lack precision. Dual recognition strategy uses two biomarkers as trigger factors, which can improve the specificity and accuracy of diagnosis and treatment. In this paper, cell fluorescence technology is combined with this strategy, and a photosensitive drug-release probe (MUS-AOR), also referred to as “Light-Sensitive Probe”, is reported. It is activated by the cascade reaction of hydrogen peroxide tyrosinase (H2O2-Tyr.) and excited by light energy in a specific range (hν ≥ 410 nm), which can separate the probe molecule from the carried drug and achieve the targeted drug delivery process. In this process, the fluorescence changes blue-green and returns to blue after photoexcitation to release the drug. The color-changing function allows the recognition process to be more visible, enabling real-time monitoring of drug release information, preventing excessive hydrogen peroxide, detecting tyrosinase abnormalities, and optimizing the storage and release of anticancer drugs. Notably, the probe has a low detection limit (0.0041 U/mL) and also demonstrated strong phototoxicity in breast tumor cells, and we hope that this breakthrough can improve early detection and personalized treatment of breast cancer.
期刊介绍:
Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied.
Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media.
The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.