Download or read book Electrokinetic Particle Transport in Micro Nanofluidics written by Shizhi Qian and published by CRC Press. This book was released on 2012-06-19 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerous applications of micro-/nanofluidics are related to particle transport in micro-/nanoscale channels, and electrokinetics has proved to be one of the most promising tools to manipulate particles in micro/nanofluidics. Therefore, a comprehensive understanding of electrokinetic particle transport in micro-/nanoscale channels is crucial to the development of micro-/nanofluidic devices. Electrokinetic Particle Transport in Micro-/Nanofluidics: Direct Numerical Simulation Analysis provides a fundamental understanding of electrokinetic particle transport in micro-/nanofluidics involving electrophoresis, dielectrophoresis, electroosmosis, and induced-charge electroosmosis. The book emphasizes the direct numerical simulation of electrokinetic particle transport phenomena, plus several supportive experimental studies. Using the commercial finite element package COMSOL Multiphysics®, it guides researchers on how to predict the particle transport subjected to electric fields in micro-/nanoscale channels. Researchers in the micro-/nanofluidics community, who may have limited experience in writing their own codes for numerical simulations, can extend the numerical models and codes presented in this book to their own research and guide the development of real micro-/nanofluidics devices. Corresponding COMSOL® script files are provided with the book and can be downloaded from the author’s website.

Download or read book Direct Current Electrokinetic Particle Transport in Micro nano fluidics written by Ye Ai and published by . This book was released on 2011 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Micro Nano Chip Electrokinetics Volume III written by Xiangchun Xuan and published by MDPI. This book was released on 2021-02-24 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro/nanofluidics-based lab-on-a-chip devices have found extensive applications in the analysis of chemical and biological samples over the past two decades. Electrokinetics is the method of choice in these micro/nano-chips for transporting, manipulating, and sensing various analyte species (e.g., ions, molecules, fluids, and particles). This book aims to highlight the recent developments in the field of micro/nano-chip electrokinetics, ranging from the fundamentals of electrokinetics to the applications of electrokinetics to both chemo- and bio-sample handling.

Download or read book Micro Nano Chip Electrokinetics written by Xiangchun Xuan and published by MDPI. This book was released on 2018-07-04 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Micro/Nano-Chip Electrokinetics" that was published in Micromachines

Download or read book Electrokinetic Microfluidics and Nanofluidics written by Dongqing Li and published by Springer Nature. This book was released on 2022-11-18 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Computational Bioengineering written by Guigen Zhang and published by CRC Press. This book was released on 2015-04-01 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Arguably the first book of its kind, Computational Bioengineering explores the power of multidisciplinary computer modeling in bioengineering. Written by experts, the book examines the interplay of multiple governing principles underlying common biomedical devices and problems, bolstered by case studies. It shows you how to take advantage of the la

Download or read book Electrokinetics in Microfluidics written by Dongqing Li and published by Elsevier. This book was released on 2004-08-20 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 microfluidic functions: pumping, mixing, thermal cycling/incubating, dispensing, and separating. Precise manipulation of these microfluidic processes is key to the operation and performance of labs on a chip. The objective of this book is to provide a fundamental understanding of the interfacial electrokinetic phenomena in several key microfluidic processes, and to show how these phenomena can be utilised to control the microfluidic processes. For this purpose, this book emphasises the theoretical modelling and the numerical simulation of these electrokinetic phenomena in microfluidics. However, experimental studies of the electrokinetic microfluidic processes are also highlighted in sufficient detail. The first book which systematically reviews electrokinetic microfluidics processes for lab-on-a chip applications Covers modelling and numerical simulation of the electrokinetic microfluidics processes Providing information on experimental studies and details of experimental techniques, which are essential for those who are new to this field

Download or read book Electrokinetic Transport Phenomena in Nanochannels and Applications of Nanochannel based Devices in Nanoparticle Detection and Molecule Sensing written by Ran Peng and published by . This book was released on 2018 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanofluidics investigates transport phenomena, manipulation, and control of fluids and nano-sized objects in fluidic channels with an at least one-dimensional size smaller than 100 nm. At the nanoscale, fluids and objects exhibit lots of unique physical and mechanical behaviors which cannot be observed in micron-sized or macro-sized structures, especially for electrokinetically driven cases. Electrokinetic transport phenomena in nanochannels offer promising possibilities for new applications of nanofluidic systems, such as drug delivery, DNA sequencing, and biosensing. However, the current widely-used nanofabrication technologies are complicated, time-consuming and expensive. Fundamental research of electrokinetic transport phenomena at the nanoscale has been focused on analytical and numerical models, and very limited experimental studies have been conducted. Resistive pulse sensing (RPS) technology has been integrated with nanofluidics and applied in nanoparticle characterization; however, traditional nano-orifice-based RPS detection systems are not suitable for practical applications due to their bulky size, low sensitivity, and high cost. This thesis studies electrokinetic transport phenomena in polydimethylsiloxane (PDMS) nanochannels, as well as applications of nanochannel-based nanofluidic devices in nanoparticle detection and molecule sensing. At the beginning of this thesis, a cost-effective, productive and simple method for fabricating disposable PDMS nanofluidic devices by the solvent-induced cracking method and nanoimprint technique is developed. The channel size is controlled by the working parameters of the solvent-induced cracking method while the quantity and locations of these nanocracks are determined by artificial defects. A detailed guideline for making PDMS nanofluidic chips with single nanochannels or multiple nanochannels of controllable channel size and spacing is provided. Nanochannels of 20 nm in depth can be obtained easily by using this method. Two fundamental research projects are conducted on single-nanochannel-based nanofluidic chips to investigate electrokinetically driven fluids and particles in nanochannels. Electroosmotic flow (EOF) in single nanochannels is measured by the current slope method. Channel size effects, concentration effects and electric field effects upon EOF velocity in nanochannels are investigated systematically. The decrease of EOF velocity due to overlapping of electric double layers (EDLs) is demonstrated by experiments. The experimental results are in good agreement with the numerical simulation results. Electrokinetic (EK) motion of single nanoparticles in single PDMS nanochannels is investigated by particle tracing method systematically. Effects of ionic concentration of the electrolyte media, applied electric field, and particle-to-channel size ratio on particle velocity are studied. The velocity of nanoparticles inside the single nanochannels is suppressed by the confined nanospace due to interactions between EDLs. Lastly, by using the nanochannel-based nanofluidic chips, two applications are developed to detect nanoparticles, cations as well as DNA molecules by the RPS technique. A mathematic model for single-gate differential RPS detection systems is developed to evaluate the RPS signals; working parameters involved in particle detection by using the nanochannel-based differential RPS chips are studied experimentally. The signal-to-noise ratio (SNR) of the PDMS nanochannel-based differential RPS systems is also explored by experiments. To enhance the resolution of the nanochannel-based RPS devices, carbon nanotubes (CNTs) are integrated into differential RPS nanofluidic chips to work as the sensing gates. Novel methods to isolate and cut individual CNTs for CNT-based nanofluidic devices are also created. The CNT-channel-based differential RPS chips are used to detect single cations and individual ssDNA molecules. Distinguishing of 15-nt ssDNAs and 30-nt ssDNAs with high resolution has been achieved. This thesis provides the nanofluidic research community with a comprehensive working procedure for fabricating cost-effective PDMS-based nanofluidic chips. The fundamental studies in this thesis expand our understanding of electrokinetic transport phenomena at the nanoscale, and the differential RPS detection systems developed on the nanochannel-based nanofluidic chips open a new avenue to nanoparticle detection as well as molecule sensing.

Download or read book Encyclopedia of Microfluidics and Nanofluidics written by Dongqing Li and published by Springer Science & Business Media. This book was released on 2008-08-06 with total page 2242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering all aspects of transport phenomena on the nano- and micro-scale, this encyclopedia features over 750 entries in three alphabetically-arranged volumes including the most up-to-date research, insights, and applied techniques across all areas. Coverage includes electrical double-layers, optofluidics, DNC lab-on-a-chip, nanosensors, and more.

Download or read book Advances in Nanotechnology Research and Application 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 14170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Nanotechnology Research and Application / 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Nanotechnology. The editors have built Advances in Nanotechnology Research and Application / 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Nanotechnology in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Nanotechnology Research and Application / 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Download or read book Modeling Electrokinetic Phenomana in Micro and Nanofluidic Technology written by Shizhi Qian and published by Wiley. This book was released on 2013-04-30 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on modeling electrokinetic phenomena, including electroosmosis, electrophoresis, and dielectrophoresis in micro- and nanofluidic devices, which play important roles in facilitating fluid transport and particle manipulation in micro- and nanofluidic devices. These have the potential to improve and reduce the cost of healthcare around the globe and revolutionize chemical and biological analysis by integrating and automating sophisticated diagnostic procedures in micro/nanofluidic devices. This high-level treatment offers an essential guide for researchers and advanced students in nanotechnology, mechanical engineering, and colloid science.

Download or read book Micro and Nanoscale Fluid Mechanics written by Brian J. Kirby and published by Cambridge University Press. This book was released on 2010-07-26 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text focuses on the physics of fluid transport in micro- and nanofabricated liquid-phase systems, with consideration of gas bubbles, solid particles, and macromolecules. This text was designed with the goal of bringing together several areas that are often taught separately - namely, fluid mechanics, electrodynamics, and interfacial chemistry and electrochemistry - with a focused goal of preparing the modern microfluidics researcher to analyse and model continuum fluid mechanical systems encountered when working with micro- and nanofabricated devices. This text serves as a useful reference for practising researchers but is designed primarily for classroom instruction. Worked sample problems are included throughout to assist the student, and exercises at the end of each chapter help facilitate class learning.

Download or read book Microfluidic Devices in Nanotechnology written by Challa S. S. R. Kumar and published by John Wiley & Sons. This book was released on 2010-11-29 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology, especially microfabrication, has been affecting every facet of traditional scientific disciplines. The first book on the application of microfluidic reactors in nanotechnology, Microfluidic Devices in Nanotechnology provides the fundamental aspects and potential applications of microfluidic devices, the physics of microfluids, specific methods of chemical synthesis of nanomaterials, and more. As the first book to discuss the unique properties and capabilities of these nanomaterials in the miniaturization of devices, this text serves as a one-stop resource for nanoscientists interested in microdevices.

Download or read book Silicone Dispersions written by Yihan Liu and published by CRC Press. This book was released on 2017-01-06 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicone is an important class of materials used in applications that range from industrial assembly to everyday consumer products. Silicones are often delivered and synthesized in dispersion forms, the most common being liquid-in-liquid (emulsion), solid-in-liquid (suspension), air-in-liquid (foam) and solid-in air (powder). This book compiles a carefully selected number of topics that are essential to the understanding, creative design and production of silicone dispersions. As such, it provides the first unified description of silicone dispersions in the literature.

Download or read book Electrokinetic Transport Trapping and Sensing in Integrated Micro and Nanofluidic Devices written by Michelle Lynn Kovarik and published by . This book was released on 2009 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Essentials of Micro and Nanofluidics written by A. Terrence Conlisk and published by Cambridge University Press. This book was released on 2013 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces students to the basic physical principles to analyze fluid flow in micro and nano-size devices. This is the first book that unifies the thermal sciences with electrostatics and electrokinetics and colloid science; electrochemistry; and molecular biology. The author discusses key concepts and principles, such as the essentials of viscous flows, an introduction to electrochemistry, heat and mass transfer phenomena, elements of molecular and cell biology, and much more. This textbook presents state-of-the-art analytical and computational approaches to problems in all of these areas, especially electrokinetic flows, and gives examples of the use of these disciplines to design devices used for rapid molecular analysis, biochemical sensing, drug delivery, DNA analysis, the design of an artificial kidney, and other transport phenomena. This textbook includes exercise problems, modern examples of the applications of these sciences, and a solutions manual available to qualified instructors.

Download or read book Transport of Nanoparticles and Reacting Biomolecules in Micro and Nanofluidic Electrokinetic Systems written by Thomas Mikio Wynne and published by . This book was released on 2013 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: We find increased hydrodynamic drag in confinement, nanoparticle rotation effects for spherical analytes in sheer flows, non-uniform electro-osmotic velocity profiles, and electrostatic repulsion of thick electric double layers to be important effects on transport. Second, we present an experimental study of electrokinetic separations of short, complementary ss and dsDNA in microchannels. We find different phenomena are significant for the three different DNA lengths in the study (10nt, 20nt, and 50nt). Reaction kinetic effects are significant for the shortest length DNA, where the melting temperature is comparable to room temperature. For longer 20 and 50nt DNA, the melting temperatures are sufficiently high and reaction kinetic effects are constant.