Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Ellen L. Holthoff"'
Publikováno v:
Sensors, Vol 13, Iss 5, Pp 5814-5825 (2013)
Hazard detection systems must be evaluated with appropriate test material concentrations under controlled conditions in order to accurately identify and quantify unknown residues commonly utilized in theater. The existing assortment of hazard referen
Externí odkaz:
https://doaj.org/article/fac5814d05c94dd8835acc300502f9e3
Publikováno v:
Sensors, Vol 11, Iss 3, Pp 2700-2714 (2011)
We report on a new sensor strategy that integrates molecularly imprinted polymers (MIPs) with surface enhanced Raman scattering (SERS). The sensor was developed to detect the explosive, 2,4,6-trinitrotoluene (TNT). Micron thick films of sol gel-deriv
Externí odkaz:
https://doaj.org/article/4e262eff5d0443b0939419a807a74396
Autor:
Kevin J. Major, Mikella E. Farrell, Ellen L. Holthoff, Paul M. Pellegrino, Jasbinder S. Sanghera, Kenneth J. Ewing
Publikováno v:
Applied Spectroscopy. 76:163-172
This paper examines infrared spectroscopic effects for the standoff detection of an explosive material, hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), inkjet printed on an aluminum surface. Results of a spectroscopic study are described, using multip
Publikováno v:
Applied Spectroscopy. 75:1320-1326
Using the recently discovered THermally induced Optical Reflection of Sound (THORS) phenomenon, it is possible to generate optically induced, local density barriers in air by the absorption of intense, modulated laser light (the THORS phenomenon), wh
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 25:1-10
Approaches to provide chip-scale aqueous chemical sensing for environmental and health monitoring via a photonic integrated circuit (PIC) technology are showing promise. To meet future U.S. Army demand, we have investigated waveguide structures compa
Publikováno v:
Smart Biomedical and Physiological Sensor Technology XVIII.
In this work, we describe the phenomenon, Thermally-induced Optical Reflection of Sound (THORS), and how it can be used to optically steer acoustic waves around a 90 degree corner of a physical obstruction, where observed acoustic amplitudes are incr
Autor:
Paul M. Pellegrino, Kenneth J. Ewing, Mikella E. Farrell, Kevin J. Major, Ellen L. Holthoff, Jasbinder S. Sanghera, Ishwar D. Aggarwal
Publikováno v:
Analytical chemistry. 91(21)
Color vision results from the interaction of retinal photopigments with reflected or transmitted visible light. The International Commission on Illumination (CIE) developed the CIE color-matching chart, which separates colors on the basis of the inte
Autor:
Kenneth J. Ewing, Paul M. Pellegrino, Thomas C. Hutchens, Mikella E. Farrell, Jasbinder S. Sanghera, Kevin J. Major, Ellen L. Holthoff, Ishwar D. Aggarwal
Publikováno v:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX.
Infrared spectroscopy is a powerful laboratory technique for detection of and discrimination between hazardous chemical threats, such as explosive materials, and non-hazardous background chemicals. Transitioning this method to the field however has s
Autor:
Mikella E. Farrell, Pak S. Cho, Matthew B. Coppock, Jonathan K. Harris, Erin L. Ratcliff, Justin R. Bickford, Ellen L. Holthoff
Publikováno v:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX.
Sweat provides direct information of the real-time emotional and cognitive state of the subject, with applications ranging from situational awareness and mission effectiveness of armed forces to disease diagnosis for clinicians. Development of a broa
Publikováno v:
Smart Biomedical and Physiological Sensor Technology XVI.
Wearable biosensors have emerged as an advancement in the field of performance and threat monitoring in part due to the potential to overcome the limits of conventional soldier health monitoring and environmental sensing technologies. However, to tra