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Topic Area: Medical Devices

Displaying records 11 to 20 of 31 records.
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11. GENERATING CELL CO-CULTURES BY RAPID CELL ADHESION ON OPPOSITE SIDES OF POLYESTER MEMBRANES
Topic: Medical Devices
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

12. Fabrication of Microelectrodes on Polyester Membranes for Dielectrophoretic Cell Capture
Topic: Medical Devices
Published: 6/18/2012
Authors: Conni Hanke, Petra S. Dittrich, Darwin R Reyes-Hernandez
Abstract: We present a new system for cell capturing on permeable polyester (PET) membranes using dielectrophoretic forces. For the first time gold microelectrodes were fabricated on PET membranes using conventional photolithographic techniques. Their charac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911140

13. An instrumented bioreactor for mechanical stimulation and real-time, nondestructive evaluation of engineered cartilage tissue
Topic: Medical Devices
Published: 6/1/2012
Authors: Jenni R. Popp, Justine Roberts, Douglas V Gallagher, Kristi S Anseth, Stephanie Bryant, Timothy P Quinn
Abstract: Mechanical stimulation is essential for chondrocyte metabolism and cartilage matrix deposition. In vitro, mechanical stimulation is accomplished via culture in a bioreactor. Traditional methods for evaluating the developing tissue are destructive ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909682

14. Uncertainty in RECIST as a measure of volume for lung nodules and liver malignoma
Topic: Medical Devices
Published: 4/27/2012
Authors: Zachary H Levine, Adam L. Pintar, John G Hagedorn, Charles D. Fenimore, Claus P. Heussel
Abstract: The authors investigate the extent to which the RESPONSE Evaluation Criateria in Solid Tumors (RECIST) can predict tumor volumes and changes in volume using clinical data. The data presented are a reanalysis of data acquired in other studies, includ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909862

15. Predictive Gold Nanocluster Formation Controlled by Metal-Ligand Complexes
Topic: Medical Devices
Published: 1/9/2012
Authors: John M Pettibone, Jeffrey W Hudgens
Abstract: The formation of ligand-protected transition metal nanoclusters in size-selective syntheses is driven by the inherent properties of the protecting ligands. We have previously reported the selective, monodisperse product formation of phosphine protect ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908225

16. Morphological Changes Driven by Nanofibrous Scaffolds Induce Marrow Stromal Cell Osteogenesis
Topic: Medical Devices
Published: 10/11/2011
Authors: Carl George Simon Jr, Kaushik Chatterjee, Christopher K. Tison, Girish Kumar, Patrick S Pine, Marc L Salit, Jennifer H McDaniel, Marian F Young
Abstract: Cells are sensitive to tissue scaffold architecture and these cell-material interactions drive cell functions critical in tissue regeneration. Results presented here demonstrate that nanofiber scaffolds force primary human bone marrow stromal cells ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908027

17. Hybrid Cell Adhesive Material for Instant Dielectrophoretic Cell Trapping and Long Term Cell Function Assessment
Topic: Medical Devices
Published: 8/16/2011
Authors: Darwin R Reyes-Hernandez, Jennifer S. Hong, John T Elliott, Michael Gaitan
Abstract: We present the development and evaluation of an engineered hybrid cell adhesive surface for instant dielectrophoretic trapping and patterning of cells in a microfluidic device. This work demonstrates that a hybrid cell adhesive material (hCAM) prepar ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906647

18. The Lung Image Database Consortium (LIDC) and Image Database Resource Initiative (IDRI): A Completed Reference Database of Lung Nodules on CT Scans
Topic: Medical Devices
Published: 1/28/2011
Authors: Charles D. Fenimore, Samuel Armato, Denise Aberle, Matthew Brown, Claudia Henschke, Michael McNitt-Gray, Heber MacMahon, Geoffrey McLennan, Charles R Meyer, Anthony P Reeves, David F Yankelevitz
Abstract: The development of computer-aided diagnostic (CAD) methods for lung nodule detection, classification, and quantitative assessment can be facilitated through a well-characterized repository of computed tomography scans. The Lung Image Database Consor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907229

19. On-chip CO2 control for microfluidic cell culture
Topic: Medical Devices
Published: 1/1/2011
Authors: Samuel P Forry, Laurie E Locascio
Abstract: Carbon dioxide partial pressure (PCO2) was controlled on-chip by flowing pre-equilibrated aqueous solutions through control channels across the device. Elevated PCO2 (e.g. 0.05 atm) was modulated in neighboring stagnant channels via equilibration th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908449

20. International Standards Efforts Towards Safe Accessibility Technology for Persons With Disabilities: Cross-industry Activities
Topic: Medical Devices
Published: 12/31/2010
Author: Roger V Bostelman
Abstract: This paper describes the US and International Standards activities ongoing within the National Institute of Standards and Technology, Intelligent Systems Division (ISD) with regards to accessibility for the disabled. There is a critical role of stan ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906332



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