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Nanobiotechnology, IET

Issue 1 • Date March 2008

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  • Recent advances in microparticle continuous separation

    Page(s): 1 - 13
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (527 KB)  

    Recent advances in microparticle separation in continuous flow are presented. It is intended for scientists in the field of separation science in biology, chemistry and microsystems engineering. Recent techniques of micron-sized particle separation within microsystems are described with emphasis on five different categories: optical, magnetic, fluidic-only, electrical and minor separation methods. Examples from the growing literature are explained with insights on separation efficiency and microengineering challenges. Current applications of the techniques are discussed. View full abstract»

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  • Interactions of electrical fields with fluids:laboratory-on-a-chip applications

    Page(s): 14 - 27
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (792 KB)  

    The area of 'laboratory-on-a-chip', miniaturised or microfluidic analysis systems, is a rapidly developing field. At the microscale, electrokinetic processes become enhanced, and the advent of AC electrokinetics (EK) in recent years further promotes the development of electrokinetic devices for microfluidics. ACEK has demonstrated to manipulate fluids and polarisable particles at low voltages without some of the disadvantages from DCEK, such as electrochemical reactions and the limitation of low ionic strength fluids. The three major mechanisms of ACEK, that is, dielectrophoresis, AC electro-osmosis and AC electrothermal effect, provide versatility and flexibility to interface with many current methods and technologies in multiple biological, chemical and physical disciplines. This paper gives an overview of ACEK and its applications, with an emphasis on fluid manipulation by electric fields. View full abstract»

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Aims & Scope

IET Nanobiotechnology covers all aspects of research and emerging technologies including fundamental theories and concepts applied to biomedical-related devices and methods at the micro- and nano-scale.

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