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Topic Area: Nanobiotechnology
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Displaying records 11 to 20 of 46 records.
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11. Fractionation and Characterization of Gold Nanoparticles in Aqueous Solution: Asymmetric-Flow Field Flow Fractionation with MALS, DLS and UV-Vis Detection
Topic: Nanobiotechnology
Published: 8/30/2010
Authors: Tae Joon Cho, Vincent A Hackley
Abstract: Asymmetrical-flow field flow fractionation (AFFF) separates constituents based on hydrodynamic size, and is emerging as a powerful tool for obtaining high-resolution information on the size, molecular weight, composition, and stability of nanoscale p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905979

12. Isolating the problem: What can we learn from single particle measurements?
Topic: Nanobiotechnology
Published: 2/2/2010
Author: Joseph Earl Reiner
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904999

13. Methodology for imaging of nano-to-microscale water condensation dynamics on complex nanostructures
Topic: Nanobiotechnology
Published: 6/11/2011
Authors: Konrad Rykaczewski, John Henry j Scott
Abstract: By transferring of a small part of a macroscale sample to a novel thermally insulated sample platform we are able to mitigate flooding and electron heating problems typically associated with Environmental Scanning Electron Microscopy imaging of water ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908396

14. Microfabricated High-Moment Micrometer-Sized MRI Contrast Agents
Topic: Nanobiotechnology
Published: 8/26/2010
Authors: Gary Zabow, John M Moreland, Stephen Dodd, alan koretsky, erik shapiro
Abstract: While chemically synthesized superparamagnetic microparticles have enabled much new research based on MRI tracking of magnetically labeled cells, signal-to-noise levels still limit the potential range of applications. Here it is shown how, through to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905643

15. Microfluidic preparation of liposomes to determine particle size influence on cellular uptake mechanisms
Topic: Nanobiotechnology
Published: 10/3/2013
Authors: Wyatt N Vreeland, Abhay U Andar, Renee R Hood, Don L. DeVoe, Peter W Swaan
Abstract: Purpose: This study investigates the cellular uptake and trafficking of liposomes in Caco-2 cells, using vesicles with distinct average diameters ranging from 40 nm-276 nm. Liposomes were prepared by microfluidic hydrodynamic flow focusing, producing ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913538

16. Microfluidic-Enabled of Liposomes Elucidate Size-Dependent Transdermal Transport
Topic: Nanobiotechnology
Published: 3/21/2014
Authors: Wyatt N Vreeland, Renee R Hood, Eric Kendall, Don L. DeVoe, Julia Finkel, Mariana Junqueira, Zenaide Quezado
Abstract: Microfluidic synthesis of small and nearly-monodisperse liposomes is used to investigate the size-dependent passive transdermal transport of nanoscale lipid vesicles. While large liposomes with diameters above 105 nm are found to be excluded from dee ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915017

17. N-methylmesoporphyrin IX fluorescence as a reporter of strand orientation in guanine quadruplexes
Topic: Nanobiotechnology
Published: 4/1/2014
Authors: Navin C. Sabharwal, Victoria Savikhin, Joshua Turek-Herman, John M. Nicoludis, Veronika A Szalai, Liliya Yatsunyk
Abstract: Guanine quadruplexes (GQ) are four-stranded DNA structures formed by guanine-rich DNA sequences. Formation of GQs inhibits cancer cell survival, but detecting GQs in vivo has proved difficult, in part because of GQ structural diversity. Development ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914285

18. Nanometrology Using Through-Focus Scanning Optical Microscopy Method
Topic: Nanobiotechnology
Published: 12/21/2011
Authors: Ravikiran Attota, Richard M Silver
Abstract: We present an initial review of a novel through-focus scanning optical microscopy (TSOM) imaging method that produces nanometer dimensional measurement sensitivity using a conventional bright-field optical microscope. In the TSOM method a target is ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905395

19. Nanopore-based Single Molecule Determination of Polymer-cation Binding and Membrane Protein Dynamics
Topic: Nanobiotechnology
Published: 8/24/2010
Authors: Joseph Earl Reiner, John J Kasianowicz, Joseph William Robertson
Abstract: Polyethylene glycol (PEG) is a ubiquitous charge-neutral polymer having several useful properties. It has been used to estimate the diameter of functioning nanopores. In this talk I will describe how the detailed analysis of PEG induced current block ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907054

20. Nanoscale Measurements With the TSOM Optical Method
Series: OTHER
Topic: Nanobiotechnology
Published: 1/4/2010
Author: Ravikiran Attota
Abstract: A novel through-focus scanning optical microscope (TSOM - pronounced as 'tee-som') technique that produces nanometer dimensional measurement sensitivity using a conventional optical microscope by analyzing images obtained at different focus positions ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904673



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