纳米铑(I)基金属有机骨架在生物成像中显示出强烈的NIR-II发光

IF 9.1 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Wenxuan Wei, Yijing Du, Xiaomei Kang, Yilin Liu, Yujia Liu, Qian Guo, Qun He, Jun Wang, Shoujun Zhu, Jin Yuan Zhou, Weifeng Bu
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引用次数: 0

摘要

虽然发光金属有机框架(mof)已经被广泛报道,但很少发现在第二近红外(NIR-II, 1000-1700 nm)窗口发射的例子。在这项工作中,两个纳米级铑(I)基mof (Rh-1@SDS和Rh-1@DSPE-PEG)在十二烷基硫酸钠(SDS)和1,2-二硬脂酰-sn-甘油-3-磷酸乙醇胺- n-甲氧基聚乙二醇(DSPE-PEG)的水分散体中被可控地构建,其中胶束和囊泡状聚集体分别形成,具有高胶体稳定性。Rh-1@DSPE-PEG的囊状分散体在1125(1245,肩)nm处表现出强烈的NIR-II发光。因此,该纳米omof被用作NIR-II发光探针,显示高分辨率的全身和局部血管成像,清晰地显示皮瓣移植术后恢复过程。同时,在NIR-II窗口也显示出优越的肿瘤靶向性。据我们所知,这项研究代表了具有强烈NIR-II发光和出色成像能力的纳米omofs的第一个例子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Nanoscale Rhodium(I) Based Metal–Organic Framework Demonstrating Intense NIR-II Luminescence for Bioimaging

Nanoscale Rhodium(I) Based Metal–Organic Framework Demonstrating Intense NIR-II Luminescence for Bioimaging
Although luminescent metal–organic frameworks (MOFs) have been widely reported, rare examples were found to emit in the second near-infrared (NIR-II, 1000–1700 nm) window. In this work, two nanoscale rhodium(I)-based MOFs (Rh-1@SDS and Rh-1@DSPE-PEG) have been controllably constructed in the aqueous dispersions of sodium dodecyl sulfate (SDS) and 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-methoxy-poly(ethylene glycol) (DSPE-PEG), wherein micelle- and vesicle-like aggregates form, respectively, with high colloidal stability. The vesicular dispersion of Rh-1@DSPE-PEG exhibits intense NIR-II luminescence at 1125 (1245, shoulder) nm. Consequently, this nanoMOF was used as an NIR-II luminescence probe, indicative of high-resolution systemic and local vascular imaging, where the postoperative recovery process of flap transplantation was clearly visualized. Meanwhile, it also demonstrates superior tumor targeting in the NIR-II window. To the best of our knowledge, this research represents the first example of nanoMOFs having intense NIR-II luminescence and excellent imaging capabilities.
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来源期刊
Nano Letters
Nano Letters 工程技术-材料科学:综合
CiteScore
16.80
自引率
2.80%
发文量
1182
审稿时长
1.4 months
期刊介绍: Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.
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