Design of multifunctional liposome-quantum dot hybrid nanocarriers and their biomedical application

Design of multifunctional liposome-quantum dot hybrid nanocarriers and their biomedical application
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多功能脂质体-量子点杂化纳米载体的设计及其生物医学应用

DOI:
10.1080/1061186x.2017.1323334
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发表时间:
2017-05
影响因子:
4.5
通讯作者:
Yang Jianhong
Yang Jianhong
中科院分区:
医学3区
文献类型:
--
作者:
Qu Wenjing;Zuo Wenbao;Li Na;Hou Yanhui;Song Zhihua;Gou Guojing;Yang Jianhong

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摘要发光半导体纳米晶,又称量子点,具有丰富的表面化学和独特的光学性质,可作为分子诊断和治疗的探针或载体。然而,其潜在的毒性和在生物环境中的不稳定性一直困扰着科学研究人员。为了使量子点成为同时用于治疗和诊断(治疗)的多功能纳米载体,人们投入了大量的研究工作,并在最近几年取得了相当大的进展。我们概述了QD-脂质体复合体(QLC)在成像方面的应用,特别是在治疗方面的应用。更具体地说,重点介绍了QLC的设计考虑、细胞内摄取和组织特异性靶向。讨论了用于治疗的QLC的最新发现。我们还讨论了脂质体-量子点杂化纳米载体在生物医学领域应用面临的挑战和未来的发展方向。
Abstract Luminescent semiconductor nanocrystals, also known as quantum dots (QDs), have rich surface chemistry and unique optical properties that make them useful as probes or carriers for molecular diagnostics and therapeutics. However, their potential toxicity and instability in biological environments have puzzled scientific researchers. Much research effort has been devoted to encapsulation of QDs with liposomal hybrids to make them versatile nanocarriers for simultaneous therapeutics and diagnostics (theranostics) and considerable progress has been made over recent years. We provide an overview of the use of QD–liposome complexes (QLCs) for imaging applications, in particular applications in theranostics. More specifically, the design considerations, intracellular uptake and tissue-specific targeting of QLCs are highlighted. Current findings of QLCs for theranostics are discussed. We also discuss the challenges and highlight future directions for applications of liposome–QD hybrid nanocarriers in the biomedical arena.
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