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Asturias, Spain

Garcia-Gonzalez R.,University of Oviedo | Fernandez-La Villa A.,MICRUX FLUIDIC | Costa-Garcia A.,University of Oviedo | Fernandez-Abedul M.T.,University of Oviedo
Sensors and Actuators, B: Chemical | Year: 2013

Carbon nanotubes (CNTs) are nanostructures that have been discovered in 1991 but their interest continues growing due to their excellent properties and possible applications. In the field of Electroanalysis, most of those are based on the modification of working electrodes using solutions or dispersions in suitable solvents. However, the dispersing agent could have an important effect on the electrochemical behavior of analytes. In this work, an exhaustive study of dispersion of multi-walled carbon nanotubes (MWCNTs) functionalized with carboxylic (COOH), thiol (SH) and amine (NH2) groups in various solvents is performed. The electrochemical characterization of gold screen-printed electrodes (Au-SPEs) nanostructured with these dispersions of CNTs is carried out by recording the electrochemical signal from the redox reactions of a model analyte, methylene blue, by different electrochemical techniques (CV, SWV and DPV). Evaluation of the influence of the dispersing agent by itself is also made. © 2013 Elsevier B.V. Source


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Key publications in which are used some of MicruX research solutions, including microfluidics devices, electrochemical sensors and portable analytical instrumentation. In these publications are shown different applications and methodologies that can be useful to learn more about the possibilities of the solutions offered by MicruX ...


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Grant
Agency: Cordis | Branch: FP7 | Program: CP-FP | Phase: FoF.NMP.2012-5 | Award Amount: 3.63M | Year: 2012

Todays fabrication methods for micro devices can require expensive tooling and long turnaround times, making empirical, performance-based modifications to the design expensive and time consuming. These methods also are limited in their flexibility, so that complex devices, that incorporate on-board valves, separation media, membranes, and recirculating pumps, cannot be developed and adapted without considerable expense in molds and assembly fixtures. This creates a barrier to the development of medium to large series of complex and higher functionality devices, where the cost-benefit ratio of incorporating functionality is too risky for the typical laboratory, diagnostic or medical device developer. To bridge the gap between a high volume production with specialized equipment and a - until today - not efficient production of medium series, SMEs need to find other, more flexible and scalable approaches to produce microsystems in high volumes. The solution proposed by SMARTLAM builds on a modular, flexible, scalable 3D-Integration scenario (3D-I), where novel polymer film materials will be combined with state of the art, scalable 3D printing, structuring and welding technologies. These technologies will be integrated in one production cell allowing for the production of complete 3D Microsystems. A 3D-Integration modeling environment will be set up to support users of the SMARTLAM environment by the design of 3D-I hardware compatible microsystems. Besides the technological challenges SMARTLAM will demonstrate a complete business case. A SME company acting as OEM service provider will be responsible for the real world benchmarking and testing of the SMARTLAM production platform concept. To assess and demonstrate the potential of SMARTLAM, two SME demonstrator partners will take over the role of potential customers, both providing input as well as assessing the 3-DI approach regarding costs, technological capabilities and adaptiveness.


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