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Author: jon geist

Displaying records 31 to 40 of 83 records.
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31. Polyelectrolyte Multilayer-Treated Electrodes for Real-Time Electronic Sensing Cell Proliferation
Series: Journal of Research (NIST JRES)
Published: 4/1/2010
Authors: Geraldine I. Mijares, Darwin R Reyes-Hernandez, Jon C Geist, Michael Gaitan
Abstract: The feasibility of using and the performance of non-biological polyelectrolyte multilayer (PEM) films to facilitate cell attachment on titanium-tungsten alloy/gold (TiW/Au) electrodes for the detection of cellular responses in cell assays are investi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33183

32. Temperature-Programmed Gas-Sensing With Microhotplates: An Opportunity to Enhance Microelectronic Gas Sensor Metrology
Published: 10/5/2009
Authors: Jon C Geist, Muhammad Yaqub Afridi
Abstract: It is only recently that the ITRS (International Technical Roadmap for Semiconductors) has identified functional diversification through heterogeneous integration as a key enabler of future industry growth. This paper describes a powerful temperatur ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902948

33. Generalized temperature measurement equations for rhodamine B dye solution and its application to microfluidics
Published: 9/2/2009
Authors: Jayna J Shah, Michael Gaitan, Jon C Geist
Abstract: Contact-less mapping of temperature distributions based on ratios of fluorescent signals is a ubiquitous temperature detection technique. However, application of calibration equations that relate fluorescence intensity ratios to temperature pose sev ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902127

34. Analog BIST Functionality for Microhotplate Temperature Sensors
Published: 9/1/2009
Authors: Muhammad Yaqub Afridi, Christopher B Montgomery, Elliott cooper-Balis, Stephen Semancik, Kenneth Gruber Kreider, Jon C Geist
Abstract: In this paper we describe a novel microhotplate temperature sensor calibration technique suitable for Built-In Self Test. The technique only requires short-term temperature stability from the four-wire polysilicon heater/temperature sensors that are ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902033

35. Mapping the Edge-Roughness of Test Structure Features for Nanometer-Level CD Reference-Materials
Published: 4/2/2009
Authors: Michael W Cresswell, M Davidson, Geraldine I. Mijares, Richard A Allen, Jon C Geist, M R Bishop
Abstract: The near-term objective of the work reported here is developing a protocol for rapidly mapping CD and edge roughness from high-resolution SEM images of reference-material features patterned on SCCDRM chips. The longer term mission is to formulate a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901520

36. CMOS Microhotplate Technology for Chemical and Biological Agent Detection
Published: 3/16/2009
Authors: Muhammad Yaqub Afridi, Christopher B Montgomery, Elliott cooper-Balis, Stephen Semancik, Jon C Geist, Alim A Fatah
Abstract: In this paper we describe microhotplates that can serve as platforms for gas sensors of potential use for homeland security and other gas sensing applications. A brief review of the fabrication of microhotplate precursors in a CMOS-compatible technol ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33164

37. Electrical Manipulation of Gold Nanoparticles for Microfluidic Applications
Published: 10/16/2008
Authors: Darwin R Reyes-Hernandez, Geraldine I. Mijares, Kimberly A Briggman, Jon C Geist, Michael Gaitan
Abstract: An electrical method to trap and release gold nanoparticles to and from the surface of alkanethiol-modified gold electrodes is presented. When a positive bias versus a Ag/AgCl reference electrode was applied to gold electrodes, negatively-charged go ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33077

38. The NIST MNT 5-in-1 Standard Reference Material for Measuring 5 Key Metrics
Published: 8/11/2008
Authors: Janet M Cassard, Jon C Geist, Michael Gaitan
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33150

39. Microfluidic DNA Analysis Systems for Forensic Applications
Series: Special Publication (NIST SP)
Report Number: 1083
Published: 7/18/2008
Authors: Michael Gaitan, Jayna J Shah, Darwin R Reyes-Hernandez, Pierre-Alain Auroux, Jon C Geist, Laurie E Locascio, Wyatt N Vreeland, David J Ross, Peter M Vallone, Paul Smith, Nicole Morgan, Tom Pohida, John Kakareka, Annelise Barron
Abstract: This report summarizes the NIST effort on microfluidic DNA analysis systems for forensic applications sponsored by the National Institute of Justice. Currently emerging microfluidics-based forensic systems are implemented in silica (glass) because t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33078

40. Microwave Dielectric Heating of Fluids in an Integrated Microfluidic Device
Published: 10/3/2007
Authors: Jayna J Shah, Siddarth Sundaresan, Jon C Geist, Darwin R Reyes-Hernandez, James C Booth, Rao Mulpuri, Michael Gaitan
Abstract: Rapid, selective, and uniform heating of sub-microliter size fluid volumes is vital for micro total analysis system (?gTAS) applications. In this work, we present an approach to localized and selective heating of fluids in a microfluidic network. Thi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32635



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