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Manipulation of a neutral and nonpolar nanoparticle in water using a nonuniform electric field
Xu, Z; Wang, CL; Sheng, N; Hu, GH; Zhou, ZW; Fang, HP; Fang, HP (reprint author), Chinese Acad Sci, Div Interfacial Water, Shanghai 201800, Peoples R China.; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.; Zhou, ZW (reprint author), Shanghai Univ, Shanghai Key Lab Mech Energy Engn, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China.
2016
Source PublicationJOURNAL OF CHEMICAL PHYSICS
ISSN0021-9606
Volume144Issue:1Pages:
Subtype期刊文献
AbstractThe manipulation of nanoparticles in water is of essential importance in chemical physics, nanotechnology, medical technology, and biotechnology applications. Generally, a particle with net charges or charge polarity can be driven by an electric field. However, many practical particles only have weak and even negligible charge and polarity, which hinders the electric field to exert a force large enough to drive these nanoparticles directly. Here, we use molecular dynamics simulations to show that a neutral and nonpolar nanoparticle in liquid water can be driven directionally by an external electric field. The directed motion benefits from a nonuniform water environment produced by a nonuniform external electric field, since lower water energies exist under a higher intensity electric field. The nanoparticle spontaneously moves toward locations with a weaker electric field intensity to minimize the energy of the whole system. Considering that the distance between adjacent regions of nonuniform field intensity can reach the micrometer scale, this finding provides a new mechanism of manipulating nanoparticles from the nanoscale to the microscale. (C) 2016 AIP Publishing LLC.
KeywordDriven Charge Nanotubes Delivery Channel Protein Motion Cells
DOI10.1063/1.4939151
Indexed BySCI
Language英语
WOS IDWOS:000368617300008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25769
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorFang, HP (reprint author), Chinese Acad Sci, Div Interfacial Water, Shanghai 201800, Peoples R China.; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.; Zhou, ZW (reprint author), Shanghai Univ, Shanghai Key Lab Mech Energy Engn, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China.
Recommended Citation
GB/T 7714
Xu, Z,Wang, CL,Sheng, N,et al. Manipulation of a neutral and nonpolar nanoparticle in water using a nonuniform electric field[J]. JOURNAL OF CHEMICAL PHYSICS,2016,144(1):—.
APA Xu, Z.,Wang, CL.,Sheng, N.,Hu, GH.,Zhou, ZW.,...&Zhou, ZW .(2016).Manipulation of a neutral and nonpolar nanoparticle in water using a nonuniform electric field.JOURNAL OF CHEMICAL PHYSICS,144(1),—.
MLA Xu, Z,et al."Manipulation of a neutral and nonpolar nanoparticle in water using a nonuniform electric field".JOURNAL OF CHEMICAL PHYSICS 144.1(2016):—.
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