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You searched on: Author: darwin reyes-hernandez

Displaying records 11 to 20 of 32 records.
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11. Enabling Long-Term Dielectrophoretic Actuation for Cell Manipulation and Analysis in Microfluidic Biochips
Published: 10/7/2012
Author: Darwin R Reyes-Hernandez
Abstract: An approach that combines not only the cell manipulation capabilities of dielectrophoresis (DEP), but also the conditions to promote appropriate cell function during long-term experiments is presented. The integration of a hybrid cell adhesive mater ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911615

12. Fabrication of Microelectrodes on Polyester Membranes for Dielectrophoretic Cell Capture
Published: 6/18/2012
Authors: Conni Hanke, Petra S. Dittrich, Darwin R Reyes-Hernandez
Abstract: We present a new system for cell capturing on permeable polyester (PET) membranes using dielectrophoretic forces. For the first time gold microelectrodes were fabricated on PET membranes using conventional photolithographic techniques. Their charac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911140

13. Dielectrophoretic Cell Capture on Polyester Membranes
Published: 4/2/2012
Authors: Conni Hanke, Petra S. Dittrich, Darwin R Reyes-Hernandez
Abstract: A new system for dielectrophoretic cell capture on porous polyester (PET) membranes is presented. Conventional photolithographic techniques were used to fabricate gold microelectrodes on a PET membrane. We characterized these electrodes to proof th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910623

14. Hybrid Cell Adhesive Material for Instant Dielectrophoretic Cell Trapping and Long Term Cell Function Assessment
Published: 8/16/2011
Authors: Darwin R Reyes-Hernandez, Jennifer S. Hong, John T Elliott, Michael Gaitan
Abstract: We present the development and evaluation of an engineered hybrid cell adhesive surface for instant dielectrophoretic trapping and patterning of cells in a microfluidic device. This work demonstrates that a hybrid cell adhesive material (hCAM) prepar ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906647

15. Trapping and Release of Citrate-Capped Gold Nanoparticles
Published: 8/1/2011
Authors: Darwin R Reyes-Hernandez, Geraldine I. Mijares, Brian Joseph Nablo, Kimberly A Briggman, Michael Gaitan
Abstract: An electrical method to trap and release charged gold nanoparticles on and from the surface of alkanethiol self-assembled-monolayer (SAM) modified gold electrodes is presented. Gold nanoparticle (GNP) coated electrodes were formed by immersing amine ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904039

16. Instantaneous Trapping and Long Term Cell Survival Under Dielectrophoretic Conditions Using a Hybrid Cell Adhesive Surface
Published: 10/3/2010
Authors: Darwin R Reyes-Hernandez, Jennifer S. Hong, John T Elliott, Michael Gaitan
Abstract: A dielectrophoresis (DEP) microfluidic device that allows instantaneous trapping of cells for rapid return to cell growth conditions (within 5 minutes) and long-term cell experiments (cell proliferation, induction and differentiation) of embryonic P1 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906185

17. Microfluidic Based Contactless DielectrophoreticDevice: Modeling and Analysis
Published: 9/1/2010
Authors: Saugandhika Minnikanti, Darwin R Reyes-Hernandez, Ruben Claudio Aguilar, Joseph Pancrazio, Michael Gaitan, Nathalia Peixoto
Abstract: While there have been many attempts at patterning cells onto substrates, a reliable method for trapping cell clusters and forming cell arrays in a predefined geometry remains to be demonstrated. We intend to develop a multielectrode array platfor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907086

18. Quantum Dot FRET Sensor for Enzymatic Activity in Microfluidic Device
Published: 6/22/2010
Authors: Georgeta Crivat, Sandra Maria Da Silva, Darwin R Reyes-Hernandez, Samuel P Forry, Laurie E Locascio, Michael Gaitan, Nitsa Rosenzweig, Zeev Rosenzweig
Abstract: This paper describes the development of new fluorescence resonance energy transfer (FRET)-based quantum dot probes for proteolytic activity. The CdSe/ZnS quantum dots are incorporated into a thin polymeric film, which is prepared by layer-by-laye ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907085

19. Polyelectrolyte Multilayer-Treated Electrodes for Real-Time Electronic Sensing Cell Proliferation
Series: Journal of Research (NIST JRES)
Published: 4/1/2010
Authors: Geraldine I. Mijares, Darwin R Reyes-Hernandez, Jon C Geist, Michael Gaitan
Abstract: The feasibility of using and the performance of non-biological polyelectrolyte multilayer (PEM) films to facilitate cell attachment on titanium-tungsten alloy/gold (TiW/Au) electrodes for the detection of cellular responses in cell assays are investi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33183

20. Quantum Dot FRET-Based Probes in Thin Films Grown in Microfluidic Channels
Published: 1/14/2010
Authors: Georgeta Crivat, Sandra Maria Da Silva, Darwin R Reyes-Hernandez, Laurie E Locascio, Michael Gaitan, Nitsa Rosenzweig, Zeev Rosenzweig
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905049



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