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Showing 1 to 19 of 19 for “"Micropump"”.
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MEMS micropump for a Micro Gas Analyzer
… the structural deformations of the micropump pistons and tethers, and fluid-flow modeling tools characterizing the vacuum generation and pumping rates were developed. A systematic design procedure based on these tools enabled the design and prediction of different valve and pump …
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Modeling, simulation, and fabrication of a PZT valveless micropump
<p>A micropump is one of the most important elements in a micro-total analysis system used for rapid chemical and biological analysis. To date, different kinds of micropumps have been designed, fabricated, tested, and implemented. Among them, a PZT valveless micropump is receiving increasing …
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Design and fabrication of a new 3D AC-electroosmotic micropump
… of fluid handling devices such as micropumps. In biomedical technology, pumps for handling extremely small fluid amounts become more and more important where microsystems for biological analysis routinely use solid-state electrokinetic micropumps.<br/><br/>AC Electrokinetic …
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Development of an electrostatic peristaltic gas micropump and nanochannel fabrication technique
… (GC) system. In a microfluidic system, the micropump is an essential component as an actuation sources to provide the driving force to mobilize fluids (liquid and gas) in a system. In this dissertation, development of an electrostatic valve-less peristaltic micropump for gas pumping is …
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Modeling, simulation and applications of ionic polymer metal composites
… analysis consists of three different types of micropumps. Then we focus on the application of IPMC micropump in Biomedical for drug delivery and extracting excess fluid. One of the applications of ionic polymer metal composites is an ophthalmic micropump implant in order to remove excess …
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Development of a PDMS Based Micro Total Analysis System for Rapid Biomolecule Detection
… of the micro total analysis system include a micropump, micromixer, magnetic separator and interdigitated electrodes for impedance detection. Three designs of pneumatically actuated PDMS based micropumps were fabricated and tested. Based on the performance test results, one of the micropumps …
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Lab on a chip rare cell isolation platform with dielectrophoretic smart sample focusing, automated whole cell tracking analysis script, and a bioinspired on-chip electroactive polymer micropump
… Finally, a proof of concept for an on-chip micropump is presented and achieved 4.5% in-plane deformation. When bonded over a microchannel, fluid flow was induced and measured. These solutions present a stronger, more versatile cDEP platform and make for a more competitive commercial product. …
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Integrated Microfluidic Culture Media Oxygenator for Organ-on-a-Chip Applications
… the oxygenator module with an on-board micropump, pressure regulator, culture media reservoir, and oxygen probe interface, in a compact 40 x 25 mm microfluidic chip. To validate the functionality of the device, a series of three experiments were conducted in which oxygen partial pressure …
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Design of a silicon microfabricated rocket engine turbopump
… the fundamental engineering issues. This micropump integrates high-speed turbomachinery and micro-gas bearings. An innovative arrangement is proposed with coplanar pump and turbine for ease of fabrication and reduction of imbalance.
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Alternating Current Electroosmotic Micropumping Using A Square Spiral Microelectrode Array
… and experimentally observed. Overall, novel micropumping device SP-1 was found to produce a net flow comparable to previously tested devices and a computer simulation framework capable of analyzing future micropump design concepts was developed.
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Continuous dielectrophoretic separation of colloidal particles
… of the device to larger particle and integrating micropump technology are also presented.
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Factors Affecting Redox Magnetohydrodynamics for Flow in Small Volumes
… magnets for portability shows promise as a micropump with ease of switching flow direction, no moving parts, compatibility with both aqueous and non-aqueous solutions, low voltages (10-100 mV), and ability to easily pump in a loop. But its fundamentals, including the forces involved and what …
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Miniaturized electron-impact-ionization pumps using double-gated isolated vertically aligned carbon nanotube arrays
… and sub-mm wavelength vacuum amplifiers. Our micropump architecture consist of a field-emission electron source that is an array of double-gated isolated vertically aligned carbon nanotubes (VA-CNTs), an electronimpact- ionization region, and a non-evaporative ion-implantation getter. …
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Carbon nanotube-based field ionization vacuum
We report the development of a novel micropump architecture that uses arrays of isolated vertical carbon nanotubes (CNT) to field ionize gas particles. The ionized gas molecules are accelerated to and implanted into a negatively biased getter removing the gas molecules from the volume being pumped. …
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Directed transport without net bias in physics and biology
… numerical simulation. The resulting 'magnetic micropump', unlike other transport methods, requires only minor modification of the basic atom wire configuration. Molecular motors also generate directed transport without net bias. The processive molecular motors, of which myosin-V and kinesin are …
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Directed transport without net bias in physics and biology
… numerical simulation. The resulting 'magnetic micropump', unlike other transport methods, requires only minor modification of the basic atom wire configuration. Molecular motors also generate directed transport without net bias. The processive molecular motors, of which myosin-V and kinesin are …
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Applications of a hand-held optoelectronic nose: security screening, medical diagnosis and food inspection
… for sensor array loading, and a diaphragm micropump for analyte flow control. First, a colorimetric sensor array comprising multiple types of sensor elements were employed for the detection and discrimination among home made explosives, variations of peroxide-based explosives, as well as …
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Development of light actuated chemical delivery platform on a 2-D array of micropore structure
<p>Localized chemical delivery plays an essential role in the fundamental information transfers within biological systems. Thus, the ability to mimic the natural chemical signal modulation would provide significant contributions to understand the functional signaling pathway of biological cells and …