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You searched on: Author: darwin reyes-hernandez

Displaying records 21 to 30 of 32 records.
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21. Electrical Manipulation of Gold Nanoparticles for Microfluidic Applications
Published: 10/16/2008
Authors: Darwin R Reyes-Hernandez, Geraldine I. Mijares, Kimberly A Briggman, Jon C Geist, Michael Gaitan
Abstract: An electrical method to trap and release gold nanoparticles to and from the surface of alkanethiol-modified gold electrodes is presented. When a positive bias versus a Ag/AgCl reference electrode was applied to gold electrodes, negatively-charged go ...

22. Microfluidic DNA Analysis Systems for Forensic Applications
Series: Special Publication (NIST SP)
Report Number: 1083
Published: 7/18/2008
Authors: Michael Gaitan, Jayna J Shah, Darwin R Reyes-Hernandez, Pierre-Alain Auroux, Jon C Geist, Laurie E Locascio, Wyatt N Vreeland, David J Ross, Peter M Vallone, Paul Smith, Nicole Morgan, Tom Pohida, John Kakareka, Annelise Barron
Abstract: This report summarizes the NIST effort on microfluidic DNA analysis systems for forensic applications sponsored by the National Institute of Justice. Currently emerging microfluidics-based forensic systems are implemented in silica (glass) because t ...

23. Fast and High Efficient Microfluidic PCR By Microwave Dielectric Heating
Published: 10/15/2007
Authors: Pierre-Alain Auroux, Darwin R Reyes-Hernandez, Jayna J Shah, Michael Gaitan
Abstract: We report 100% yield and 40% reaction-time reduction for on-chip DNA amplification using microwave dielectric heating. A passivation protocol has also been developed to suppress the inhibition of PCR in PMMA chips used with a temperature sensor. We f ...

24. Microwave Dielectric Heating of Fluids in an Integrated Microfluidic Device
Published: 10/3/2007
Authors: Jayna J Shah, Siddarth Sundaresan, Jon C Geist, Darwin R Reyes-Hernandez, James C Booth, Rao Mulpuri, Michael Gaitan
Abstract: Rapid, selective, and uniform heating of sub-microliter size fluid volumes is vital for micro total analysis system (?gTAS) applications. In this work, we present an approach to localized and selective heating of fluids in a microfluidic network. Thi ...

25. Photopatterned Polyelectrolyte Multilayers for Cell Culture
Published: 11/9/2006
Authors: Darwin R Reyes-Hernandez, J. Brian Hutchison, Laurie E Locascio, Michael Gaitan
Abstract: Patterned two-dimensional cell cultures are increasingly important for constructing bioanalytical tools for cell and molecular biology to address questions about interactions, signaling, migration, and differentiation, among others. This contribution ...

26. Cellular Immobilization within Microfluidic Microenvironments: Dielectophoresis with Polyelectrolyte Multilayers
Published: 10/25/2006
Authors: Samuel P. Forrey, Darwin R Reyes-Hernandez, Michael Gaitan, Laurie E Locascio

27. Facilitating the Culture of Mammalian Nerve Cells with Polyelectrolyte Multilayers
Published: 5/19/2006
Authors: Samuel P Forry, Darwin R Reyes-Hernandez, Michael Gaitan, Laurie E Locascio

28. Polyelectrolyte Multilayers
Published: 1/23/2006
Authors: Darwin R Reyes-Hernandez, Laurie E Locascio, Michael Gaitan
Abstract: The process of self-assembly occurs naturally in living systems to form complex structures out of random events in an incredibly accurate way. Order out of disorder is achieved in a fashion that is analogous to a jigsaw puzzle where each piece fits t ...

29. Generating Cell Arrays Inside Microfluidic Networks
Published: 9/1/2005
Authors: Samuel P Forry, Darwin R Reyes-Hernandez, Michael Gaitan, Laurie E Locascio

30. Temperature Control of Microfluidic Systems by Microwave Heating
Published: 5/5/2005
Authors: Siddarth Sundaresan, Brian J. Polk, Darwin R Reyes-Hernandez, M Rao, Michael Gaitan

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  • SP 250-XX: Calibration Services
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