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Topic Area: Nanobiotechnology

Displaying records 41 to 50.
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41. On the electronic detection, characterization and quantification of biomarkers with single nanopores
Topic: Nanobiotechnology
Published: 11/19/2009
Author: John J Kasianowicz
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905448

42. Probing Dynamic Fluorescence Properties of Single and Clustered Quantum Dots Towards Quantitative Biomedical Imaging of Cells
Topic: Nanobiotechnology
Published: 10/28/2009
Authors: Hyeong Gon Kang, Fuyuki Tokumasu, Matthew Lawrence Clarke, Zhenping Zhou, Jianyong Tang, Tinh Nguyen, Jeeseong Hwang
Abstract: We present results on dynamical fluorescence properties of bioconjugated nanocrystals or quantum dots (QDs) in different chemical and physical environments. A variety of QD samples were prepared and compared: isolated individual QDs, QDs aggregated ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902907

43. Nanoscale Measurements with a Through-Focus Scanning-Optical-Microscope
Topic: Nanobiotechnology
Published: 7/15/2009
Authors: Ravikiran (Ravikiran) Attota, Richard M Silver, Thomas Avery Germer
Abstract: We present a novel optical technique that produces nanometer dimensional measurement sensitivity using a conventional optical microscope, by analyzing through-focus scanning-optical-microscope (TSOM) images obtained at different focus positions. In ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902707

44. Structure of Functional Staphylococcus aureus ¿-Hemolysin Channels in Tethered Bilayer Lipid Membranes
Topic: Nanobiotechnology
Published: 2/2/2009
Authors: D. McGillivray, Gintaras Valincius, Frank Heinrich, Joseph William Robertson, David J Vanderah, W. Febo-Ayala, I. Ignatjev, M. Losche, John J Kasianowicz
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904052

45. Unexpectedly High Entrapment Efficiency in Nanometer Scale Liposomes With Hydrodynamic Focusing Using Continuous-Flow Microfluidics
Topic: Nanobiotechnology
Published: 10/16/2008
Authors: Andreas Jahn, Joseph Earl Reiner, Wyatt N Vreeland, Don DeVoe, Laurie E Locascio, Michael Gaitan
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33075

46. Detection of food pathogens by on-chip PCR
Topic: Nanobiotechnology
Published: 9/3/2008
Authors: Pierre-Alain Auroux, Barbara Jones
Abstract: This is a chapter that will be part of a book on detection of pathogens using state-of-the-art detection methods. We are focusing on the use of microfluidic chips to implement DNA analysis of pathogens by the polymerase chain reaction.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32624

47. Sizing the Bacillus anthracis PA63 Channel with Nonelectrolyte Poly(ethylene glycols)
Topic: Nanobiotechnology
Published: 8/1/2008
Authors: Brian Joseph Nablo, Kelly Halverson, Joseph William Robertson, Tam Nguyen, Rekha Panchal, Rick Gussio, Sina Bavari, Oleg V Krasilnikov, John J Kasianowicz
Abstract: Non-electrolyte polymers of poly(ethylene glycol), PEG, were used to estimate the diameter of the ion channel formed by Bacillus anthracis protective antigen 63, PA63. Based on the ability of different molecular weight PEGs to partition into the pore ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32822

48. Nanoscopic Porous Sensors
Topic: Nanobiotechnology
Published: 7/1/2008
Authors: John J Kasianowicz, Joseph William Robertson, Elaine Chan, Joseph Earl Reiner, Vincent M Stanford
Abstract: There are thousands of different nanometer-scale pores in biology,many of which act as sensors for specific chemical agents. Recent work suggests that protein and solid-state nanopores have many potential uses in a wide variety of analytical applicat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900885

49. Single molecule measurements within individual membrane-bound ion channels using a polymer-based bilayer lipid membrane chip
Topic: Nanobiotechnology
Published: 2/29/2008
Authors: Louis P Hromada, Brian Joseph Nablo, Michael Gaitan, John J Kasianowicz, Don DeVoe
Abstract: A polymer microfluidic platform for electrophysiological ion channel measurements is presented. The system includes an open-well bilayer lipid membrane formation site, integrated Ag/AgCl reference electrodes for on-chip electrical measurements, and m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32821

50. Competitive Adsorption of Thiolated Polyethylene Glycol and Mercaptoproprionic acid on Gold Nanoparticles Measured by Physical Characterization Methods
Topic: Nanobiotechnology
Published: 5/24/0010
Authors: De-Hao D. Tsai, Frank W DelRio, Robert I. MacCuspie, Tae Joon Cho, Michael Russel Zachariah, Vincent A Hackley
Abstract: Adsorption kinetics between thiolated polyethylene glycol (SH-PEG) and mercaptoproprionic acid (MPA) on gold nanoparticles (Au-NP) were studied using dynamic light scattering (DLS) and electrospray differential mobility analysis (ES-DMA). Through a c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904724



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