Covalent-reaction-induced interfacial assembly to transform doxorubicin into nanophotomedicine with highly enhanced anticancer efficiency

Literature Information

Publication Date 2017-05-24
DOI 10.1039/C7CP02543B
Impact Factor 3.676
Authors

Jinbo Fei, Ganglong Cui, Xiangyang Liu, Weihai Fang


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Abstract

Herein, we show that a molecular assembly offers tremendous opportunities of affording existing building units with new physicochemical properties, holding promise in wide applications. Herein, we develop a facile covalent assembly using a natural occurring linker, genipin, to efficiently transform a traditional chemo drug, doxorubicin, into a nanophotomedicine. A possible mechanism is proposed, in which doxorubicin reacts with genipin through covalent bonding to produce poorly soluble units, which further form nuclei and mediate the interfacial assembly to generate uniform nanoparticles. Such assembled nanophotomedicine shows remarkably enhanced singlet oxygen generation ability (about 1000 folds), leading to a much higher photodynamic activity. Moreover, this self-carried nanodrug exhibits adjustable size, excellent colloidal stability, high capacity and preferable endocytosis. These favorable features lead to greatly improved anticancer efficiency under light at the same dosage, compared to that of pure doxorubin. We believe this study brings a new dimension to develop advanced drug delivery systems by molecular assembly.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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