Dielectrophoretic manipulation of nano-materials and its application to micro/nano-sensors

Liu, Weijing; Zhang, J.; Wan, Lijuan; Jiang, Kewei; Tao, Bailong; Li, H.L.; Gong, Wenbin; Tang, Xiaodong

doi:10.1016/j.snb.2008.03.032

Cited by 47 publications

(21 citation statements)

References 14 publications

(13 reference statements)

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“…And we examined relationship between voltage applied on the two electrodes of the DEP and the laser power output of the optical tweezers. According to the theory of DEP [4,5], DEP force is known to be in proportional to the applied voltage of the DEP. Trapping power of optical tweezers also turns strong when laser power output is increase.…”

Section: B Manipulating Cells Captured By Pdep Using Optical Tweezermentioning

confidence: 99%

Cell Fusion and Distinction between Viable Cell and Non-Viable Cell Using Dielectrophoresis and Optical Tweezers

Mizuta¹,

Takuya²,

Nguyen³

et al. 2015

Proceedings of the 2015 International Conference on Electrical, Automation and Mechanical Engineering

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Abstract-A lot of researchers have studied cell fusion and manipulation during the past decades, and this field was pursued low cost and small setup. There is a lot of ways that can manipulate cell such as optical tweezers and dielectrophoresis (DEP). Particularly, optical tweezers can manipulate cells with non-contact and non-invasive so this technique was noticed in biotechnology. In this paper we introduce three techniques based on DEP and optical tweezers: Distinction between viable cells and non-viable cells using DEP, Manipulating cells captured by positive DEP (pDEP) using optical tweezers and PEG fusion combining optical tweezers and DEP. About cell fusion, we would suggest efficient PEG fusion that can fuse cell in selective. We are considering a variety of system combined DEP and optical tweezers now. The systems will be useful to perform cell operation and other applications.

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Section: B Manipulating Cells Captured By Pdep Using Optical Tweezermentioning

confidence: 99%

Cell Fusion and Distinction between Viable Cell and Non-Viable Cell Using Dielectrophoresis and Optical Tweezers

Mizuta¹,

Takuya²,

Nguyen³

et al. 2015

Proceedings of the 2015 International Conference on Electrical, Automation and Mechanical Engineering

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“…With the proliferation of unapparent video-cameras build with nano-sensors (Liua, Zhang, Wana, Jianga, Taoa, Lia, Gonga & Tanga 2008) and their dissemination, it considerably extends the classical Bentham's Panopticon, without fundamentally changing its nature.…”

Section: Metamorphosis Of the Panopticonmentioning

confidence: 99%

The new ethical trilemma: Security, privacy and transparency

Ganascia¹

2011

Comptes Rendus. Physique

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Numerous ethical and societal issues are related to the development of nanotechnology. Among them, the risk for privacy has long been discussed. Some people say that technology is neutral and that it does not really change the nature of problems, which are mainly political, while others state that its contemporary developments considerably amplify them; there are even persons who assert that it will make privacy protection obsolete. This paper discusses those different positions by making reference to the classical Panopticon that is an architecture for surveillance, which characterizes the total absence of privacy. It envisages the possible evolutions of the Panopticon due to the development of nanotechnologies. It shows that the influence of nanotechnology on privacy concerns cannot be dissociated from the influence of computers and biotechnologies, i.e. from what is currently called the NBIC convergence. Lastly, it concludes on the new ethical trade-off that has to be made between three contradictory requirements that are security, transparency and privacy.Keywords: Nano-Panopticon Nanotechnology Panopticon Privacy Security Sousveillance Surveillance Transparency Résumé Le développement des nano-technologies soulève de nombreuses questions d'ordreéthique et sociétal. Parmi elles, celles qui portent sur la protection de la vie privée ont fait l'objet de nombreux débats. Certains pensent que les technologies sont neutres et qu'elles ne changent pas fondamentalement les problèmes qui sont d'ordre politique, tandis que d'autres prétendent que les développements techniques contemporains les amplifient considérablement. Il existe même des personnes qui affirment que la protection de la vie privée devient obsolette. Cet article discute ces différentes positions en faisant référenceà l'architecture classique du Panopticon qui aété conçue pour faciliter la surveillance et qui se caractérise comme un totale privation de vie privée. Il envisage lesévolutions possibles du Panopticon dues au développement des nanotechnologies. Il montre que l'influence des nanotechnologies sur tout ce qui concerne la vie privée ne peutêtre dissociée de celle des ordinateurs et des biotechnologies, c'est-à-dire de ce que l'on a coutume de désigner comme la convergence NBIC. Enfin, cet article conclut sur le nouveau compromis qui doit

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“…Devices made from top-down approach suffer from economic limitation and process-induced degradation such as excessive surface traps. The bottom-up technique assembles synthesized nanowires into electronic circuitry through various kinds of approaches such as dielectrophoretic (DEP) assembly (Kiasari and Servati 2011;Kuzyk 2011;Liu et al 2008Liu et al , 2006, fluid-guided assembly (Chung et al 2008), and Langmuir-Blodgett assembly (Yang and Kim 2002). Devices made from bottom-up approach are advantageous in fabrication cost, nanowires' quality, and control on assembly positions.…”

Section: Introductionmentioning

confidence: 99%

Simulation study of dielectrophoretic assembly of nanowire between electrode pairs

et al. 2015

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Dielectrophoresis (DEP) of rod-shaped nanostructures is attractive because of its exceptional capability to fabricate nanowire-based electronic devices. This efficient manipulation method, however, has a common side effect of assembling a certain number of nanowires at undesired positions. It is therefore essential to understand the underlying physics of DEP of nanowires in order to better guide the assembly. In this work, we propose theoretical methods to characterize the dielectrophoretic force and torque as well as the hydrodynamic drag force and torque on the nanowire (typical length: 10 lm). The trajectory of the nanowire is then simulated based on rigid body dynamics. The nanowire is predicted to either bridge the electrodes or attach on the surface of one electrode. A neighborhood in which the nanowire is more likely to bridge electrodes is found, which is conducive to successful assembly. The simulation study in this work provides us not only a better understanding of the underlying physics but also practical guidance on nanowire assembly by DEP.

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Dielectrophoretic manipulation of nano-materials and its application to micro/nano-sensors

Cited by 47 publications

References 14 publications

Cell Fusion and Distinction between Viable Cell and Non-Viable Cell Using Dielectrophoresis and Optical Tweezers

Cell Fusion and Distinction between Viable Cell and Non-Viable Cell Using Dielectrophoresis and Optical Tweezers

The new ethical trilemma: Security, privacy and transparency

Simulation study of dielectrophoretic assembly of nanowire between electrode pairs

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