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Displaying records 21 to 30 of 69 records.
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21. Effect of Polymeric Scaffold Structure on Osteogenic Differentiation of Human Bone Marrow Stromal Cells
Topic: Advanced Materials
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

22. Effect of offset values of solid freeform fabricated PCL/ß-TCP scaffolds on mechanical properties and cellular activities in bone tissue regeneration
Topic: Advanced Materials
Published: 11/1/2012
Authors: Carl George Simon Jr., GeunHyung Kim, MyungGu Yo
Abstract: Microstructures of biomedical scaffolds can greatly affect cellular activities in tissue regeneration. In particular, scaffolds used in bone tissue regeneration should have several microstructural characteristics, including high porosity, appropriate ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910879

23. Electron beam heating effects during ESEM imaging of water condensation on superhydrophobic surfaces
Topic: Advanced Materials
Published: 3/1/2011
Authors: Konrad Rykaczewski, John Henry j Scott, Andrei G. Fedorov
Abstract: Nanostructured superhydrophobic surfaces show promise as promoters of dropwise condensation and may lead to significant efficiency improvements in numerous industrial processes. Droplets with diameters below ~10 µm account for the majority of the he ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907573

24. Evolution of gamma/gamma-prime Microstructure in Ternary Co-Al-W Alloys
Topic: Advanced Materials
Published: 6/29/2015
Authors: Eric Lass, Jonathan S Idell, Carelyn E Campbell, Ursula R Kattner
Abstract: The discovery of a two-phase γ (FCC)-γ' (L12) field in the ternary Co-Al-W phase diagram has sparked significant research interest into possible Co-based analogs to traditional Ni-based superalloys used in turbine engine applications. This ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918086

25. Freeform Fabricated Scaffolds with Roughened Struts that Enhance both Stem Cell Proliferation and Differentiation by Controlling Cell Shape
Topic: Advanced Materials
Published: 3/1/2012
Authors: Girish Kumar, Carl George Simon Jr., Michael S. (Michael Stephan) Waters, Tanya M. Farooque, Marian F Young
Abstract: We demonstrate that imparting freeform fabricated (FFF) scaffolds with surface roughness on their struts enhances osteogenic differentiation of primary human bone marrow stromal cells (hBMSCs) by controlling cell shape. Previous work showed that hBM ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910664

26. Gas-Foamed Scaffold Gradients for Combinatorial Screening in 3D
Topic: Advanced Materials
Published: 5/1/2012
Authors: Carl George Simon Jr., Kaushik Chatterjee, Alison M. Kraigsley, Joachim Kohn, Durgadas Bolikal
Abstract: Current methods for screening cell-material interactions typically utilize two-dimensional (2D) culture format where cells are cultured on flat surfaces. However, there is a need for combinatorial and high-throughput screening methods to systematica ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910404

27. Generation of Monolayer Gradients in Surface Energy and Chemistry for Block Copolymer Thin Film Studies
Topic: Advanced Materials
Published: 12/1/2009
Authors: Julie N. L. Albert, Michael J. Baney, Christopher M Stafford, Jennifer Y. Kelly, Thomas H Epps
Abstract: We utilize an innovative vapor deposition set-up and cross-diffusion of functionalized chlorosilanes under dynamic vacuum to generate a linear gradient in surface energy and composition on a silicon substrate. The gradient can be tuned by manipulati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902680

28. Giant piezoelectricity in PMN-PT thin films: Beyond PZT
Topic: Advanced Materials
Published: 11/1/2012
Authors: S. H. Baek, M. S. Rzchowski, Vladimir A Aksyuk
Abstract: Micro-electromechanical systems (MEMS) incorporating piezoelectric layers provide active transduction between electrical and mechanical energy, which enables highly sensitive sensors and low-voltage driven actuators surpassing the passive operation o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912113

29. Gradient Nanofiber Scaffold Libraries for Screening Cell Response to Poly(e-caprolactone)-Calcium Phosphate Composites
Topic: Advanced Materials
Published: 3/1/2013
Authors: Carl George Simon Jr., Limin Sun, Laurence Chung Lung Chow, William Miles, Christopher K. Tison, Kaushik Chatterjee, Marian F Young, Vinoy Thomas, Murugan Ramalingam
Abstract: A 2-spinnerette approach has been developed for fabricating nanofiber scaffold gradients for use as 1) scaffold libraries for screening the effect of nanofiber properties on cell response and 2) templates for generating graded tissue interfaces. Alt ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906818

30. Graphene Epitaxial Growth on SiC(0001) for Resistance Standards
Topic: Advanced Materials
Published: 6/1/2012
Authors: Mariano A. Real, Tian T. Shen, George R Jones, Randolph E Elmquist, Johannes A Soons, Albert Davydov
Abstract: Epitaxial growth of graphene layers on 6H-SiC(0001) substrates have been studied in order to improve graphene‰s performance for metrological applications. A face-to-face (FTF) sublimation method at 2000 °C and in Ar background atmosphere is used to i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910566



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