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Displaying records 41 to 50 of 51 records.
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41. 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 ...

42. On the electronic detection, characterization and quantification of biomarkers with single nanopores
Topic: Nanobiotechnology
Published: 11/19/2009
Author: John J Kasianowicz

43. 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 ...

44. Nanoscale Measurements with a Through-Focus Scanning-Optical-Microscope
Topic: Nanobiotechnology
Published: 7/15/2009
Authors: 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 ...

45. 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

46. 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 E. (Joseph E.) Reiner, Wyatt N Vreeland, Don DeVoe, Laurie E Locascio, Michael Gaitan

47. 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.

48. 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 ...

49. Nanoscopic Porous Sensors
Topic: Nanobiotechnology
Published: 7/1/2008
Authors: John J Kasianowicz, Joseph William Robertson, Elaine Chan, Joseph E. (Joseph E.) 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 ...

50. 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 ...

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