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Clay. --- Electrokinetics

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A lab-on-a-chip device is a microscale laboratory on a credit-card sized glass or plastic chip with a network of microchannels, electrodes, sensors and electronic circuits. These labs on a chip can duplicate the specialized functions as performed by their room-sized counterparts, such as clinical diagnoses, PCR and electrophoretic separation. The advantages of these labs on a chip include significant reduction in the amounts of samples and reagents, very short reaction and analysis time, high throughput and portability. Generally, a lab-on-a-chip device must perform a number of mic

Electrokinetics. --- Chemical laboratories. --- Microelectronics.

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Micro/nanofluidic chips have found increasing applications in the analysis of chemical and biological samples over the past two decades. Electrokinetics has become the method of choice in these micro/nano-chips for transporting, manipulating and sensing ions, (bio)molecules, fluids and (bio)particles, etc., due to the high maneuverability, scalability, sensitivity, and integrability. The involved phenomena, which cover electroosmosis, electrophoresis, dielectrophoresis, electrohydrodynamics, electrothermal flow, diffusioosmosis, diffusiophoresis, streaming potential, current, etc., arise from either the inherent or the induced surface charge on the solid-liquid interface under DC and/or AC electric fields. To review the state-of-the-art of micro/nanochip electrokinetics, we welcome, in this Special Issue of Micromachines, all original research or review articles on the fundamentals and applications of the variety of electrokinetic phenomena in both microfluidic and nanofluidic devices.

micro/nanofluidics --- streaming potential/current --- electrical sensing --- electrokinetics --- diffusioosmosis --- dielectrophoresis --- electroosmosis --- electrophoresis --- diffusiophoresis --- induced charge electrokinetics

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This book reviews the latest advancement of microfluidics and nanofluidics with a focus on electrokinetic phenomena in microfluidics and nanofluidics. It provides fundamental understanding of several new interfacial electrokinetic phenomena in microfluidics and nanofluidics. Chapter 1 gives a brief review of the fundamentals of interfacial electrokinetics. Chapter 2 shows induced charge electrokinetic transport phenomena. Chapter 3 presents the new advancement in DC dielectrophoresis. Chapter 4 introduces a novel nanofabrication method and the systematic studies of electrokinetic nanofluidics. Chapter 5 presents electrokinetic phenomena associated with Janus particles and Janus droplets. Chapter 6 introduces a new direction of electrokinetic nanofluidics: nanofluidic iontronics. Chapter 7 discusses an important differential resistive pulse sensor in microfluidics and nanofluidics.

Chemical structure --- Electrical engineering --- Biotechnology --- nanotechniek --- biotechnologie --- Electrokinetics. --- Microfluidics.. --- Nanofluids.

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An essential reference book for any professional seeking information regarding particular aspects of electrokinetic transport phenomena, Electrokinetic Transport Phenomena provides a single and comprehensive reference on the subject, including an up to date summary of the literature. The book is designed as a convenient starting point for any researcher planning to initiate studies on electrokinetic transport. The examples in the book are based on derivations of problems in electrokinetics, originally presented in research articles, thus providing a direct pedagogical insight into the development of the subject over the past several decades. The application of relevant mathematical principles and the subsequent advanced numerical techniques for solving complex electrokinetic problems and the worked examples are extremely useful to researchers and professionals involved in microfluidic simulations.

Colloids --- Electric double layer --- Electrokinetics --- Transport theory --- Electric properties --- Electric double layer. --- Electrokinetics. --- Transport theory. --- Electric properties.