Highly Biocompatible Nanoparticles of Au@Fluorescent Polymers as Novel Contrast Agent for In Vivo Bimodality NIR Fluorescence/CT Imaging

Highly Biocompatible Nanoparticles of Au@Fluorescent Polymers as Novel Contrast Agent for In Vivo Bimodality NIR Fluorescence/CT Imaging
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高度生物相容性的 Au@荧光聚合物纳米颗粒作为体内双峰近红外荧光/CT 成像的新型造影剂

DOI:
10.1155/2019/8085039
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发表时间:
2019-06
影响因子:
--
通讯作者:
Wang Guannan
Wang Guannan
中科院分区:
医学4区
文献类型:
--
作者:
Zhang Mengshu;Liu Jinlei;Wang Guannan

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本工作首次采用溶剂介导法一步自组装法制备了一种基于Au纳米粒子和近红外发光半导体荧光聚合物的生物相容性和一体化的双模纳米探针,用于活体X射线CT成像和荧光生物成像。制备完成后,对纳米探针进行了一系列的综合评价,结果表明,该纳米探针具有良好的尺寸和修饰、良好的相容性、诱导自噬、血液循环长、体内毒性不明显以及良好的荧光/CT成像效果。总之,本工作的研究表明,合成的Au@FP纳米粒子作为一种非侵入性造影剂,适合于体内荧光/X射线CT双峰生物医学成像和诊断。
In this work, one kind of biocompatible and all-in-one dual-modal nanoprobe, based on Au nanoparticles and NIR emissive semiconducting fluorescence polymers, was developed by the one-step solvent-mediated self-assembly method for in vivo X-ray computed tomography (CT) and fluorescence bioimaging for the first time. After preparation, a series of comprehensive evaluations were performed, and the nanoprobe exhibited smart size and modification, good compatibility, inducement of autophagy, long blood circulation, unconspicuous in vivo toxicity, and excellent fluorescence/CT imaging effects. Overall, the studies in this work assuredly indicate that the synthesized Au@FP nanoparticles as a noninvasive contrast agent is suitable for in vivo fluorescence/X-ray CT bimodality biomedical imaging and diagnosis.
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