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Topic Area: Nanobiotechnology
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Displaying records 31 to 40 of 51 records.
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31. Quantitative Analysis of Dendron-Conjugated Cisplatin-Complexed Gold Nanoparticles Using Scanning Particle Mobility Mass Spectrometry
Topic: Nanobiotechnology
Published: 5/8/2013
Authors: De-Hao D. Tsai, Tae Joon Cho, Sherrie R. Elzey, Julien C. Gigault, Vincent A Hackley
Abstract: We report a high-resolution and traceable method to quantify the drug loading on nanoparticle-based cancer therapeutics, and demonstrate this method using a model cisplatin functionalized dendron-gold nanoparticle (AuNP) conjugate. Electrospray diffe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912782

32. Quantitative Determination of Competitive Molecular Adsorption on Gold Nanoparticles Using Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy
Topic: Nanobiotechnology
Published: 6/28/2011
Authors: De-Hao D. Tsai, Melissa Davila-Morris, Frank W DelRio, Suvajyoti S. Guha, Vincent A Hackley, Michael R Zachariah
Abstract: Surface-sensitive quantitative studies of competitive molecular adsorption on nanoparticles were conducted using a modified Attenuated attenuated Total total Reflectionreflectance-Fourier Transform transform Infrared infrared (ATR-FTIR) spectroscopy ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907586

33. Resolving three-dimensional shape of sub-50 nm wide lines with nanometer-scale sensitivity using conventional optical microscopes
Topic: Nanobiotechnology
Published: 7/29/2014
Authors: Ravikiran Attota, Ronald G Dixson
Abstract: We experimentally demonstrate that the three-dimensional (3-D) shape variations of nanometer-scale objects can be resolved and measured with sub-nanometer scale sensitivity using conventional optical microscopes by analyzing 3-D optical data using th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908543

34. SEM Induced Shrinking of Solid State Nanopores for Single Molecule Detection
Topic: Nanobiotechnology
Published: 9/22/2011
Authors: Anmiv Prahbu, Kevin J Freedman, Joseph William Robertson, Zhorro Nikolov, John J Kasianowicz, MinJun Kim
Abstract: We have investigated the shrinkage of solid state nanopores by a scanning electron microscope and find the process to be reproducible and dependant beam parameters such as the accelerating voltage and electron flux. The shrinking phenomenon does ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907430

35. 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

36. 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

37. Steering Acoustically Propelled Nanowire Motors towards Cells in a Biologically Compatible Environment using Magnetic Fields
Topic: Nanobiotechnology
Published: 12/10/2013
Authors: Suzanne Ahmed, Wei Wang, Lamar O. Mair, Robert D. Fraleigh, Sixing Li, Luz Angelica Castro, Mauricio Hoyos, Tony Jun Huang, Thomas E. Mallouk
Abstract: The recent discovery of fuel-free propulsion of nanomotors using acoustic energy has provided a new avenue for using nanomotors in biocompatible media. Crucial to the application of nanomotors in biosensing and biomedical applications is the ability ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914385

38. 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

39. Surface chemistry and size independently influence the release of model therapeutic nanoparticles from poly(ethylene glycol) hydrogels
Topic: Nanobiotechnology
Published: 4/21/2013
Authors: Stephanie L. Hume, Kavita M Jeerage
Abstract: Nanoparticles have emerged as promising therapeutic and diagnostic tools, due to their unique physicochemical properties. The specific core and surface chemistries, as well as nanoparticle size,all play critical roles in particle transport and inte ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912443

40. Surface-Engineered Nanomaterials as X-ray Absorbing Adjuvant Agents for Auger-Mediated Chemo-Radiation
Topic: Nanobiotechnology
Published: 4/30/2013
Authors: Robert Francis Cook, Sang-Min Lee, De-Hao D. Tsai, Vincent A Hackley, Martin W. Brechbiel
Abstract: We demonstrate a prototype approach to formulate gold nanoparticle (AuNP)‹based X‹ray absorbing adjuvant agents through surface‹engineering of cisplatin pharmacophore (PtII) with lipoic acid‹modified polyacrylate (denoted as PtII‹AuNPs). Design of Pt ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911911



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