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Displaying records 41 to 50 of 69 records.
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41. Facile Fabrication of "Dual Click" One- and Two-Dimensional Orthogonal Peptide Concentration Gradients
Topic: Biomaterials
Published: 1/21/2013
Authors: Yanrui Ma, Jukuan Zheng, Emily F. Amond, Christopher M Stafford, Matthew L Becker
Abstract: Peptides, proteins and extracellular matrix act in concert to influence cellular function at the biotic-synthetic interface. However identifying the individual and synergistic contributions of the various combinations and concentration regimes is e ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912748

42. 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

43. 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

44. 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

45. Effect of Polymer Degree of Conversion on Streptococcus mutans Biofilms
Topic: Biomaterials
Published: 10/5/2012
Authors: Alison M. Kraigsley, Kathy Tang, John A. Howarter, Katrice A Lippa, Sheng Lin-Gibson, Nancy J Lin
Abstract: The effects of key material properties of polymeric composite restorations on cariogenic oral biofilms are needed to provide insight into the materials‰ role in recurrent caries. The objective of this study was to quantify the effects of degree of co ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909546

46. Tunable glass reference materials for quantitative backscattered electron imaging of mineralized tissues
Topic: Biomaterials
Published: 8/21/2012
Authors: Sara E. Campbell, Roy H. Geiss, Steve A Feller, Virginia L. Ferguson
Abstract: Backscatter electron (BSE) microscopy provides graylevel contrast resulting from variations in atomic composition. Through the use of standards, quantitative BSE imaging can be used to measure the mineral content of mineralized tissues such as bo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909654

47. 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

48. Gas-Foamed Scaffold Gradients for Combinatorial Screening in 3D
Topic: Biomaterials
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

49. 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

50. 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



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