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Displaying records 71 to 80 of 382 records.
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71. Magnetic manipulation of actin orientation, polymerization, and gliding on myosin using superparamagnetic iron oxide particles
Topic: Bioscience & Health
Published: 1/7/2011
Author: John M Moreland
Abstract: The actin cytoskeleton controls cell shape, motility, as well as intracellular molecular trafficking. The ability to remotely manipulate actin is therefore highly desirable as a tool to probe and manipulate biological processes at the molecular level ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906795

72. A calorimetric and equilibrium investigation of the reaction {methyl ferulate(aq) + H2O(l) = methanol(aq) + ferulic acid(aq)}
Topic: Bioscience & Health
Published: 1/3/2011
Authors: Robert Nathan Goldberg, Michael J Selig, Stephen R. Decker, Brian E Lang
Abstract: Microcalorimetry and high-performance liquid chromatography (HPLC) have been used to conduct a thermodynamic investigation of the reaction: {methyl ferulate(aq) + H2O(l) = methanol(aq) + ferulic acid(aq), as catlyzed by feruloyl esterase. Values of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906068

73. Combinatorial Screening of Osteoblast Response to 3D Calcium Phosphate/Poly(e-caprolactone) Scaffolds Using Gradients and Arrays
Topic: Bioscience & Health
Published: 12/31/2010
Authors: Carl GEORGE Simon Jr, Kaushik Chatterjee, Laurence Chung Lung Chow, Limin Sun, Marian F Young
Abstract: There is a need to improve rapid methods for screening cell-biomaterial interactions. Current methods employ a flat 2D format even though 3D scaffolds are more representative of the tissue environment in vivo and cells are responsive to topological ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906746

74. International Standards Efforts Towards Safe Accessibility Technology for Persons With Disabilities: Cross-industry Activities
Topic: Bioscience & Health
Published: 12/31/2010
Author: Roger V Bostelman
Abstract: This paper describes the US and International Standards activities ongoing within the National Institute of Standards and Technology, Intelligent Systems Division (ISD) with regards to accessibility for the disabled. There is a critical role of stan ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906332

75. Exploring the use of internal and external controls for assessing microarray technical performance
Topic: Bioscience & Health
Published: 12/28/2010
Authors: Katrice A Lippa, David Lee Duewer, Marc L Salit, Laurence Game, Helen Causton
Abstract: Background: The maturing of gene expression microarray science and interest in the use of microarray-based applications for clinical and diagnostic applications calls for objective measures of quality. This manuscript presents a retrospective study c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903906

76. Effect of Polymeric Scaffold Structure on Osteogenic Differentiation of Human Bone Marrow Stromal Cells
Topic: Bioscience & Health
Published: 12/17/2010
Authors: Girish Kumar, Marian F Young, Carl GEORGE Simon Jr
Abstract: Structural properties of polymeric scaffolds for bone tissue engineering play key role in directing osteogenesis. These properties depend on the chemical nature and the fabrication process of biomaterial. There are many protocols for fabricating sc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906518

77. Predicting Segmentation Accuracy for Biological Cell Images
Topic: Bioscience & Health
Published: 11/29/2010
Authors: Adele P Peskin, Alden A Dima, Joe Chalfoun
Abstract: We have performed image segmentations on a very large number of images, using a wide variety of imaging conditions and cell lines, in order to study trends in the segmentation results and make predictions about segmentation accuracy. Comparing result ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904744

78. Effect of 3D Hydrogel Scaffold Stiffness on Human Bone Marrow Stromal Cell Differentiation
Topic: Bioscience & Health
Published: 11/1/2010
Authors: Carl GEORGE Simon Jr, Sapun Parekh, Marcus T Cicerone, Sheng Lin-Gibson, Kaushik Chatterjee, Marian F Young
Abstract: There is growing recognition cells can sense and respond to the mechanical properties of tissue scaffolds and that these interactions are critical in optimizing scaffold design [1-4]. Previous studies in planar 2D culture format have shown that human ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906309

79. GaN Nanowire Functionalized with Atomic Layer Deposition Techniques for Enhanced Immobilization of Biomolecules
Topic: Bioscience & Health
Published: 11/1/2010
Authors: D. J. Guo, A. Abdulagatov, Devin M. Rourke, Kristine A Bertness, S M George, Y. C. Lee, Wei Tan
Abstract: We report the use of atomic layer deposition (ALD) coating as a nanobiosensor functionalization strategy for enhanced surface immobilization that may enable higher detection sensitivity. Three kinds ofALDcoating films, Al2O3,TiO2, and SiO2, were grow ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906342

80. Nanoslinky: DNA Entropophoresis Down a Nanofluidic Staircase
Topic: Bioscience & Health
Published: 10/4/2010
Authors: Elizabeth A Strychalski, Laurie E Locascio, Samuel M Stavis, Michael Gaitan
Abstract: Almost all nanofluidic devices for biopolymer analysis have been limited by one or two confining structural dimen-sions or the application of external forces for biopolymer manipulation, which has restricted the scope of related lab-on-a-chip technol ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906205