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Topic Area: Biomaterials
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Displaying records 41 to 50 of 90 records.
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41. Relative Rigidity of Cell-Substrate Affects Hepatic and Hepatocellular Carcinoma Cell Migration
Topic: Biomaterials
Published: 12/3/2012
Authors: Martin Y Chiang, Hongbing Wang, Li Zhong, Qiaoyan Tan, Gurinder K Singh, Song Li, Li Yang, Yanzi Yangben
Abstract: Polyacrylamide gels with different stiffness and glass were employed as substrates to investigate how substrate stiffness affects the cellular stiffness of adherent hepatocellular carcinoma (HCCLM3) and hepatic (L02) cells. The interaction of how cel ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910699

42. Effect of offset values of solid freeform fabricated PCL/ß-TCP scaffolds on mechanical properties and cellular activities in bone tissue regeneration
Topic: Biomaterials
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

43. GENERATING CELL CO-CULTURES BY RAPID CELL ADHESION ON OPPOSITE SIDES OF POLYESTER MEMBRANES
Topic: Biomaterials
Published: 10/28/2012
Authors: Conni Hanke, Petra S. Dittrich, Darwin R Reyes-Hernandez
Abstract: A cell co-culture was generated on opposite sides of a permeable polyester membrane (PET) membrane by combining dielectrophoretic (DEP) and electrostatic forces to hold cells against gravity in a multilayer microfluidic device (Figure 1). HepG2 cell ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911771

44. THE ROLE OF TOOTH ENAMEL MECHANICAL PROPERTIES IN PRIMATE DIETARY ADAPTATION
Topic: Biomaterials
Published: 6/27/2012
Authors: Paul Constantino, James J. Lee, Yvonne Beatrice Gerbig, Adam Hartstone-Rose, Mauricio Talebi, Brian Ronald Lawn, Peter Lucas
Abstract: Primate teeth adapt to the physical properties of foods in a variety of ways including changes in occlusal morphology, enamel thickness, and overall size. We conducted a comparative study of extant primates to examine whether their teeth also adap ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907407

45. Optimization of Imaging Polymer Based Scaffolds Using X-Ray Microcomputed Tomography
Topic: Biomaterials
Published: 5/15/2012
Authors: David E, Morris, Melissa L Mather, Carl George Simon Jr, John A Crowe
Abstract: The performance of polymer based scaffolds used in regenerative medicine is linked to their structural properties and as such strategies for structural characterization of scaffolds have been developed. X-ray microscopic computed tomography (X-ray ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906393

46. Gas-Foamed Scaffold Gradients for Combinatorial Screening in 3D
Topic: Biomaterials
Published: 5/1/2012
Authors: Carl George Simon Jr, Kaushik Chatterjee, Alison McGibbon 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

47. Osteoblast Response to Serum Protein Adsorption in 3D Polymer Scaffolds
Topic: Biomaterials
Published: 5/1/2012
Authors: Carl George Simon Jr, Girish Kumar, Kaushik Chatterjee, Stevephen Hung
Abstract: Protein adsorption is known to direct biological response to biomaterials and is important in determining cellular response in tissue scaffolds. In this study we investigated the effect of adsorbed serum proteins on cell attachment and proliferation ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909572

48. Nano-Apatitic Composite Scaffolds for Stem Cell Delivery and Bone Tissue Engineering
Topic: Biomaterials
Published: 4/15/2012
Authors: Hockin H. K. Xu, Carl George Simon Jr
Abstract: The need for bone defect repair and regeneration arises from trauma, disease, congenital deformity, and tumor resection. Bone fracture occurs to seven million people each year in the United States, and musculoskeletal conditions cost $215 billion ann ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904167

49. OOF3D: An Image-Based Finite Element Solver for Materials Science
Topic: Biomaterials
Published: 3/28/2012
Authors: Valerie R. Coffman, Andrew C.E. Reid, Stephen Langer, Gunay Dogan
Abstract: Recent advances in experimental techniques (micro CT scans, automated serial sectioning, electron back-scatter diffraction, synchrotron radiation x-rays) have made it possible to characterize the full, three dimensional structure of real materials. S ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905504

50. Freeform Fabricated Scaffolds with Roughened Struts that Enhance both Stem Cell Proliferation and Differentiation by Controlling Cell Shape
Topic: Biomaterials
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



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