IMECH-IR  > 非线性力学国家重点实验室
Efficient Micro/Nanoparticle Concentration using Direct Current-Induced Thermal Buoyancy Convection for Multiple Liquid Media
Zhang KL1; Ren YK1,2,3; Tao Y1; Liu WY4; Jiang TY1; Jiang HY1,2
Corresponding AuthorRen, Yukun(rykhit@hit.edu.cn) ; Jiang, Hongyuan(jhy_hit@hit.edu.cn)
Source PublicationANALYTICAL CHEMISTRY
2019-04-02
Volume91Issue:7Pages:4457-4465
ISSN0003-2700
AbstractThermal-based microparticle focusing has recently received increasing attention due to its noninvasive nature and simple manipulation mechanism. However, its further application is limited by current complicated fluid heating systems and low particle focusing velocity. Using simple indium tin oxide-made microheaters, herein we propose a flexible and novel approach for efficient particle focusing based on direct current-induced thermal buoyancy convection. Importantly, for avoiding possible electrochemical reactions on the electrode, the microheaters are isolated from the granular fluids of interest by a thin glass slide. The concentration performance of the designed chip was first demonstrated by statically focusing 4-mu m silica particles, yeast cells, silica particles in insulating buffer, and 100-nm copper microspheres. Also the trapping of a mixture of 5-mu m and 2-mu m polystyrene microbeads indicated that the chip can either simultaneously concentrate two kinds of particles or selectively focus the heavier ones by adjusting the voltages. Then the different concentration patterns of microbeads exhibited that the microspheres can be flexibly manipulated by changing the configurations of microheaters. Furthermore, for the first time, we achieved thermal-based continuous particle focusing in both conducting and insulating solutions using buoyancy convection, demonstrating that this method can be utilized to achieve both static and continuous particle manipulations in multiple liquid media. Finally, the feasibility of this device in effective wear measurement of machines was demonstrated by conducting systematic experiments of focusing nanocopper particles in the hydraulic oil. Therefore, this presented approach would be promising for a broad range of on-chip applications.
DOI10.1021/acs.analchem.8b05105
Indexed BySCI
Language英语
WOS IDWOS:000463683300028
WOS KeywordOPTOELECTRONIC TWEEZERS ; DIELECTRIC PARTICLES ; COLLOIDAL PARTICLES ; SEPARATION ; FLOW ; MANIPULATION ; SIZE ; MICROCHANNEL ; MICROPARTICLES ; NANOPARTICLES
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
Funding ProjectNational Natural Science Foundation of China[11672095] ; National Natural Science Foundation of China[11872165] ; National Natural Science Foundation of China[11702075] ; National Natural Science Foundation of China[11702035] ; National Natural Science Foundation of China[SKLRS201803B] ; State Key Laboratory of Robotics and System (HIT) ; Opening Fund of State Key Laboratory of Nonlinear Mechanics
Funding OrganizationNational Natural Science Foundation of China ; State Key Laboratory of Robotics and System (HIT) ; Opening Fund of State Key Laboratory of Nonlinear Mechanics
Classification一类
Ranking2
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78700
Collection非线性力学国家重点实验室
Affiliation1.Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Heilongjiang, Peoples R China;
2.Harbin Inst Technol, State Key Lab Robot & Syst, Harbin 150001, Heilongjiang, Peoples R China;
3.Chinese Acad Sci, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
4.Changan Univ, Sch Elect & Control Engn, Xian 710064, Shanxi, Peoples R China
Recommended Citation
GB/T 7714
Zhang KL,Ren YK,Tao Y,et al. Efficient Micro/Nanoparticle Concentration using Direct Current-Induced Thermal Buoyancy Convection for Multiple Liquid Media[J]. ANALYTICAL CHEMISTRY,2019,91(7):4457-4465.
APA Zhang KL,Ren YK,Tao Y,Liu WY,Jiang TY,&Jiang HY.(2019).Efficient Micro/Nanoparticle Concentration using Direct Current-Induced Thermal Buoyancy Convection for Multiple Liquid Media.ANALYTICAL CHEMISTRY,91(7),4457-4465.
MLA Zhang KL,et al."Efficient Micro/Nanoparticle Concentration using Direct Current-Induced Thermal Buoyancy Convection for Multiple Liquid Media".ANALYTICAL CHEMISTRY 91.7(2019):4457-4465.
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