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Topic Area: Biomaterials

Displaying records 71 to 80 of 91 records.
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71. Improved Contact X-Ray Microradiographic Method to Measure Mineral Density of Hard Dental Tissues
Topic: Biomaterials
Published: 12/12/2009
Authors: Burton D. Schmuck, Clifton M. Carey
Abstract: Contact X-ray microradiography is the current gold standard for measuring mineral densities of partially demineralized tooth specimens. The X-ray sensitive film specified in the last J Res NIST publication on the subject is no longer commercially av ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904593

72. Gradient Nanofiber Scaffold Libraries for Rapid Screening of Cell-Material Interactions
Topic: Biomaterials
Published: 12/1/2009
Authors: Carl George Simon Jr, Murugan Ramalingam, Marian F Young, Vinoy Thomas
Abstract: Scaffolds play a key role in tissue engineering wherein they provide structural support for cells to adhere, grow and guide them to synthesize tissue. Scaffolds made of multiple biomaterials are typically required to mimic the three-dimensional (3D) ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901837

73. Effects of sample preparation on bacterial colonization of polymers
Topic: Biomaterials
Published: 10/19/2009
Authors: Diana N. Zeiger, Christopher M Stafford, Yajun Cheng, Stefan D Leigh, Sheng Lin-Gibson, Nancy J Lin
Abstract: Characterization of materials developed for medical usage frequently includes studies in which the materials are inoculated with bacteria in order to assess biofilm formation. Differences in the bacteria are considered to be due to the material alon ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902862

74. Synthesis, characterization and evaluation of novel, anti-bacterial monomers for dental and biomedical applications
Topic: Biomaterials
Published: 8/16/2009
Authors: Joseph M Antonucci, Bruce Owen Fowler, Diana N. Zeiger, Nancy J Lin, Sheng Lin-Gibson
Abstract: Although progress has been made in reducing polymerization shrinkage through resin and filler phase modifications, and in designing improved dental adhesion systems, composite fillings still fail clinically because of bacterial infiltration and secon ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901947

75. Evaluation of Polydimethylsiloxane Modification Methods for Cell Response
Topic: Biomaterials
Published: 2/20/2009
Authors: Lisa Pakstis, Alan Zheng, Theodore Vincent Vorburger, Joy P Dunkers, Timothy P Quinn, Marcus T Cicerone
Abstract: Many methods exist in the literature to modify surfaces with extracellular matrix (ECM) proteins prior to cell attachment. However, there are few studies that systematically compare surface characterization and cell response results among different m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852760

76. Predicting Failure in Mammalian Enamel
Topic: Biomaterials
Published: 1/16/2009
Authors: Brian Ronald Lawn, James J. Lee, Paul Constantino, Peter Lucas
Abstract: Dentition is a vital element of human and animal function, yet there is little fundamental knowledge about how tooth enamel endures under stringent oral conditions. This paper describes a novel approach to the issue. Model glass dome specimens fabr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853565

77. Identification of a Highly-Specific Hydroxyapatite-Binding Peptide Using Phage Display
Topic: Biomaterials
Published: 5/19/2008
Authors: Matthew Becker, Marc Roy, Scott K. Stanley, Eric J. Amis
Abstract: Using a phage display approach we have identified a peptide sequence SVSVGMKPSPRP that selectively recognizes HA over amorphous calcium phosphate. Exploitation of the recognition properties of such peptidic species to specific polymorphs deposited d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852778

78. Adsorption Behavior of DNA-Wrapped Carbon Nanotubes on Self-Assembled Monolayer Surfaces
Topic: Biomaterials
Published: 5/22/2007
Authors: Rebecca A Zangmeister, James E Maslar, A Opdahl, Michael J Tarlov
Abstract: We have examined the adsorption of DNA-wrapped single walled carbon nanotubes (DNA-SWNTs) on hydrophobic, hydrophilic, and charged surfaces of alkylthiol self-assembled monolayers (SAMs) on gold. Our goal is to understand how DNA-wrapped SWNTs intera ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830984

79. Maturation Stage Dependent Interaction of Mature Osteoblasts and Osteoprogenitor Cells with Microvascular Endothelial Cells
Topic: Biomaterials
Published: 2/14/2007
Authors: Erica Takai, Rocky Tuan, Steven D Hudson
Abstract: Angiogenesis is essential to the development, maintenance, and repair of bone tissue, as well as the survival of engineered tissues. Also, since osteoblasts (OB) are found in close proximity to endothelial cells in areas of new bone formation, it ha ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852663

80. Osteocyte Enhancement of Angiogenesis In Vitro
Topic: Biomaterials
Published: 2/14/2007
Authors: Erica Takai, Juan M. Taboas, Rocky Tuan, Steven D Hudson
Abstract: It is well known that an intimate relationship exists between vascularization and bone formation during development and fracture healing, where new bone formation is preceded by local vascularization. A recent rat exercise model has demonstrated that ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852664



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