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You searched on: Topic Area: Medical Devices Sorted by: date

Displaying records 21 to 30 of 35 records.
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21. 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

22. 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

23. 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

24. 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

25. 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

26. 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

27. 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

28. An Advanced Patient Lift and Transfer Device for the Home
Topic: Medical Devices
Published: 10/29/2010
Authors: Roger V Bostelman, Ji-Chul Ryu, Tommy Chang, Joshua Johnson, S K Agrawal
Abstract: The Home Lift, Position and Rehabilitation (HLPR) Chair has a unique design and novel capabilities when compared to conventional powered wheelchairs. In addition to mobility, it provides lift and can transfer patients. Even though medical devices are ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904989

29. Medical Applications of Nano-electrotechnologies: Challenges and Concerns for Technology Roadmaps, International Standards and Measurements
Topic: Medical Devices
Published: 9/23/2010
Author: Herbert S Bennett
Abstract: This paper presents reasons why standards are important for medical applications of nano-electrotechnologies and summarizes ongoing consensus-based international technology roadmapping and standards activities. It gives key results from a recent int ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907031

30. Predicting Microstructure Development During Casting of Drug Eluting Coatings
Topic: Medical Devices
Published: 9/19/2010
Authors: David M. Saylor, Jonathan E Guyer, Daniel Wheeler, James A Warren
Abstract: We have devised a novel diffuse interface formulation to model the development of chem- ical and physical inhomogeneities, i.e. microstructure, during the process of casting drug eluting coatings. These inhomogeneities, which depend on the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905206



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