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Author: samuel stavis
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1. A Glowing Future for Lab on a Chip Testing Standards
Published: 6/28/2012
Author: Samuel M Stavis
Abstract: Testing standards are more fundamental from a metrological perspective and less controversial from an industrial perspective than product standards, representing a path of less resistance towards the standardization and commercialization of lab on a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910438

2. A localized transition in the size variation of circular DNA in nanofluidic slitlike confinement
Published: 4/15/2013
Authors: Elizabeth A Strychalski, Samuel M Stavis, Jon C Geist
Abstract: We report strong evidence for a localized transition in the size variation of circular DNA between strong and moderate regimes of slitlike confinement. A novel and rigorous statistical analysis was applied to our recent experimental measurements ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910964

3. DNA ENTROPOPHORESIS: A BALANCE OF ENTROPY AND DIFFUSION IN COMPLEX NANOCONFINEMENT
Published: 10/3/2011
Authors: Samuel M Stavis, Jon C Geist, Michael Gaitan, Laurie E Locascio, Elizabeth A Strychalski
Abstract: Entropophoresis ‹ motion caused by an entropy gradient ‹ is a novel nanofluidic method to direct the self-transport of biopolymers that established a new paradigm of nanofluidic functionality with broad relevance to lab-on-a-chip technol-ogy. He ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909168

4. DNA Molecules Descending a Nanofluidic Staircase by Entropophoresis
Published: 1/26/2012
Authors: Samuel M Stavis, Jon C Geist, Michael Gaitan, Laurie E Locascio, Elizabeth A Strychalski
Abstract: A complex entropy gradient for confined DNA molecules was engineered for the first time. Following the second law of thermodynamics, this enabled the directed self-transport and self-concentration of DNA molecules. This new nanofluidic method is term ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908034

5. Engineered Microfluidic and Nanofluidic Device Metrology
Published: 3/22/2010
Author: Samuel M Stavis
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907060

6. Entropophoresis of Single Biomolecules Down a Nanofluidic Staircase
Published: 1/11/0011
Authors: Samuel M Stavis, Elizabeth A Strychalski, Michael Gaitan, Jon C Geist, Laurie E Locascio
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908359

7. Entropophoresis of Single Biomolecules Down a Nanofluidic Staircase
Published: 1/11/2011
Authors: Samuel M Stavis, Elizabeth A Strychalski, Jon C Geist, Michael Gaitan, Laurie E Locascio
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908403

8. High-speed, high-purity separation of gold nanoparticle‹DNA origami constructs using centrifugation
Published: 7/23/2014
Authors: Seung H. Ko, Luis Fernando Vargas Lara, Paul N. Patrone, Samuel M Stavis, Francis Starr, Jack F Douglas, James Alexander Liddle
Abstract: DNA origami is a powerful platform for assembling gold nanoparticle constructs, an important class of nanostructure with numerous applications. Such constructs are assembled by the association of complementary DNA oligomers. These association reactio ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915009

9. Kilohertz Rotation of Nanomotors Propelled by Ultrasound, Traced by Microvortex Advection of Nanoparticles
Published: Date unknown
Authors: Andrew Lee Balk, Lamar O. Mair, Pramod Pappachan Mathai, Paul N. Patrone, Wei Wang, Suzanne Ahmed, Thomas Mallouk, James Alexander Liddle, Samuel M Stavis
Abstract: We measure the microvortical flows around gold nanorods propelled by ultrasound in water using polystyrene nanoparticles as optical tracers. We infer the rotational frequencies of such nanomotors assuming a hydrodynamic model of this interaction. In ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915938

10. MEMS Kinematics by Super-Resolution Fluorescence Microscopy
Published: 9/28/2012
Authors: Craig Dyer McGray, Samuel M Stavis, Joshua Giltinan, Eric Eastman, Samara L. Firebaugh, Jenelle Piepmeier, Jon C Geist, Michael Gaitan
Abstract: Super-resolution fluorescence microscopy is used for the first time to study the nanoscale kinematics of a MEMS device in motion across a surface. A device under test is labeled with fluorescent nanoparticles that form a microscale constellation of n ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910908



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