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Topic Area: Biomaterials
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Displaying records 71 to 80 of 94 records.
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71. GRADED STRUCTURES FOR ALL-CERAMIC RESTORATIONS
Topic: Biomaterials
Published: 5/17/2010
Authors: Yu Zhang, H Chai, Brian Ronald Lawn
Abstract: One failure mode of all-ceramic crown restorations is radial cracking at the cementation surface, from occlusally-induced flexure of the stiffer crown layer on the softer dentin underlayer. We hypothesize that such failure may be substantially mit ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902987

72. Novel CaF2 Nanocomposite with High Strength and F Ion Release
Topic: Biomaterials
Published: 5/3/2010
Authors: Hockin D. Xu, Jennifer L. Moreau, Limin Sun, Laurence Chung Lung Chow
Abstract: Secondary caries and restoration fracture remain the two most common problems. The objectives of this study were to develop stress-bearing, fluoride-releasing nanocomposites. Novel CaF2 nanoparticles (56-nm) were synthesized via spray-drying and inco ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905001

73. Tissue Engineered Scaffolds for Screening Nanoparticle - Cell Interactions
Topic: Biomaterials
Published: 4/21/2010
Authors: Kavita M Jeerage, Elisabeth Mansfield, Tammy L. Oreskovic, Nikki Serene Rentz, Timothy P Quinn
Abstract: Long-term studies of nanoparticle-cell interactions require an advanced tissue-like environment in which nanoparticles are encapsulated with a population of cells for real-time and end-point analysis. By using soft tissue-mimicking hydrogels, the cel ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904330

74. 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

75. 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

76. 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

77. 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

78. 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

79. 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

80. 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



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