Nanoparticle translocation across the lung surfactant film regulated by grafting polymers
文献类型：期刊论文
| 作者 | Bai X(白轩)1,2,3; Li MJ(李木均)1,2 ; Hu GQ(胡国庆)3
|
| 刊名 | NANOSCALE
 |
| 出版日期 | 2020-02-14 |
| 卷号 | 12期号:6页码:3931-3940 |
| ISSN号 | 2040-3364 |
| DOI | 10.1039/c9nr09251j |
| 通讯作者 | Hu, Guoqing(ghu@zju.edu.cn) |
| 英文摘要 | Nanoparticle-based pulmonary drug delivery has gained significant attention due to its ease of administration, increased bioavailability, and reduced side effects caused by a high systemic dosage. After being delivered into the deep lung, the inhaled nanoparticles first interact with the lung surfactant lining layer composed of phospholipids and surfactant proteins and then potentially cause the dysfunction of the lung surfactant. Conditioning the surface properties of nanoparticles with grafting polymers to avoid these side effects is of crucial importance to the efficiency and safety of pulmonary drug delivery. Herein, we perform coarse-grained molecular simulations to decipher the involved mechanism responsible for the translocation of the polymer-grafted Au nanoparticles across the lung surfactant film. The simulations illustrate that conditioning of the grafting polymers, including their length, terminal charge, and grafting density, can result in different translocation processes. Based on the energy analysis, we find that these discrepancies in translocation stem from the affinity of the nanoparticles with the lipid tails and heads and their contact with the proteins, which can be tuned by the surface polarity and surface charge of the nanoparticles. We further demonstrate that the interaction between the nanoparticles and the lung surfactant is related to the depletion of the lipids and proteins during translocation, which affects the surface tension of the surfactant film. The change in the surface tension in turn affects the nanoparticle translocation and the collapse of the surfactant film. These results can help understand the adverse effects of the nanoparticles on the lung surfactant film and provide guidance to the design of inhaled nanomedicines for improved permeability and targeting. |
| 分类号 | 一类 |
| WOS关键词 | PULMONARY SURFACTANT ; BIOPHYSICAL INHIBITION ; INTERFACIAL PROPERTIES ; SILICA NANOPARTICLES ; LIPID MONOLAYER ; DRUG-DELIVERY ; PROTEIN-B ; MEMBRANES ; DYNAMICS ; ADSORPTION |
| 资助项目 | NSFC[11832017] ; NSFC[11572334] ; CAS Key Research Program of Frontier Sciences[QYZDB-SSW-JSC036] ; CAS Strategic Priority Research Program[XDB22040403] |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000515391000037 |
| 资助机构 | NSFC ; CAS Key Research Program of Frontier Sciences ; CAS Strategic Priority Research Program |
| 其他责任者 | Hu, Guoqing |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/81553]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 作者单位 | 1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China; 3.Zhejiang Univ, Dept Engn Mech, Hangzhou 310027, Zhejiang, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Bai X,Li MJ,Hu GQ. Nanoparticle translocation across the lung surfactant film regulated by grafting polymers[J]. NANOSCALE,2020,12(6):3931-3940. |
| APA | 白轩,李木均,&胡国庆.(2020).Nanoparticle translocation across the lung surfactant film regulated by grafting polymers.NANOSCALE,12(6),3931-3940. |
| MLA | 白轩,et al."Nanoparticle translocation across the lung surfactant film regulated by grafting polymers".NANOSCALE 12.6(2020):3931-3940. |
入库方式： OAI收割
来源：力学研究所
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