Search Results - "Verkouteren, Jennifer"

Forensic Analysis and Differentiation of Black Powder and Black Powder Substitute Chemical Signatures by Infrared Thermal Desorption–DART-MS by Forbes, Thomas P, Verkouteren, Jennifer R

“…The trace detection and forensic analysis of black powders and black powder substitutes, directly from wipe-based sample collections, was demonstrated using…”
Get full text

Reliability of ion mobility spectrometry for qualitative analysis of complex, multicomponent illicit drug samples by Verkouteren, Jennifer R, Staymates, Jessica L

“…Abstract Ion mobility spectrometry (IMS) has been used for trace analysis of illicit drugs, but it can also provide reliable qualitative analysis of bulk…”
Get full text

Inkjet Metrology: High-Accuracy Mass Measurements of Microdroplets Produced by a Drop-on-Demand Dispenser by Verkouteren, R. Michael, Verkouteren, Jennifer R

“…We describe gravimetric methods for measuring the mass of droplets generated by a drop-on-demand (DOD) microdispenser. Droplets are deposited, either…”
Get full text

Inkjet Metrology II: Resolved Effects of Ejection Frequency, Fluidic Pressure, and Droplet Number on Reproducible Drop-on-Demand Dispensing by Verkouteren, R. Michael, Verkouteren, Jennifer R

“…We report highly reproducible gravimetric and optical measurements of microdroplets that lend insights into the fundamentals of drop-on-demand (DOD) printing…”
Get full text

Detection of fuel‐oxidizer explosives utilizing portable capillary electrophoresis with wipe‐based sampling by Krauss, Shannon T., Forbes, Thomas P., Lawrence, Jeffrey A., Gillen, Greg, Verkouteren, Jennifer R.

“…Portable analytical instrumentation that can provide an alarm indication for the presence of explosives and related components is critical for the…”
Get full text

Discriminative potential of ion mobility spectrometry for the detection of fentanyl and fentanyl analogues relative to confounding environmental interferents by Forbes, Thomas P, Lawrence, Jeffrey, Verkouteren, Jennifer R, Verkouteren, R Michael

“…The opioid crisis and emergence of fentanyl, fentanyl analogues, and other synthetic opioids has highlighted the need for sensitive and robust detection for…”
Get more information

Particle Characteristics of Trace High Explosives: RDX and PETN by Verkouteren, Jennifer R.

“…The sizes of explosives particles in fingerprint residues produced from C‐4 and Semtex‐1A were investigated with respect to a fragmentation model. Particles…”
Get full text

Measurement of drug facilitated sexual assault agents in simulated sweat by ion mobility spectrometry by Demoranville, Leonard T., Verkouteren, Jennifer R.

“…Ion mobility spectrometry has found widespread use for the detection of explosives and illicit drugs. The technique offers rapid results with high sensitivity…”
Get full text

Standardized Method for Measuring Collection Efficiency from Wipe-sampling of Trace Explosives by Verkouteren, Jennifer R, Lawrence, Jeffrey A, Staymates, Matthew E, Sisco, Edward

“…One of the limiting steps to detecting traces of explosives at screening venues is effective collection of the sample. Wipe-sampling is the most common…”
Get full text

Automated Mapping of Explosives Particles in Composition C-4 Fingerprints by Verkouteren, Jennifer R., Coleman, Jessica L., Cho, Inho

“…:  A method is described to perform automated mapping of hexahydro‐1,3,5‐trinitro‐1,3,5‐triazine (RDX) particles in C‐4 fingerprints. The method employs…”
Get full text

Particle Fabrication Using Inkjet Printing onto Hydrophobic Surfaces for Optimization and Calibration of Trace Contraband Detection Sensors by Gillen, Greg, Najarro, Marcela, Wight, Scott, Walker, Marlon, Verkouteren, Jennifer, Windsor, Eric, Barr, Tim, Staymates, Matthew, Urbas, Aaron

“…A method has been developed to fabricate patterned arrays of micrometer-sized monodisperse solid particles of ammonium nitrate on hydrophobic silicon surfaces…”
Get full text

Atmospheric identification of active ingredients in over-the-counter pharmaceuticals and drugs of abuse by atmospheric pressure glow discharge mass spectrometry (APGD-MS) by Brewer, Tim M., Verkouteren, Jennifer R.

“…Atmospheric pressure glow discharge mass spectrometry was used to characterize the active ingredients in pharmaceutical over‐the‐counter (OTC) drug…”
Get full text

Use of force-sensing array films to improve surface wipe sampling by Verkouteren, Jennifer R, Ritchie, Nicholas W M, Gillen, Greg

“…Surface wipe sampling, as performed by human operators, is widely used in environmental monitoring and currently subject to a high degree of variability. Two…”
Get more information

Depth profiling using C60+ SIMS : Deposition and topography development during bombardment of silicon by GILLEN, Greg, BATTEAS, James, MICHAELS, Chris A, CHI, Peter, SMALL, John, WINDSOR, Eric, FAHEY, Albert, VERKOUTEREN, Jennifer, KIM, K. J

“…A C60+ primary ion source has been coupled to an ion microscope secondary ion mass spectrometry (SIMS) instrument to examine sputtering of silicon with an…”
Get full text

Aerosol Collection Efficiency of a Graded Metal-Fiber Filter at High Airflow Velocity (10 m s-1) by Klouda, George A., Fletcher, Robert A., Gillen, J. Greg, Verkouteren, Jennifer R.

“…A non-woven graded metal-fiber filter was characterized for its collection efficiency as a function of particle size at an airflow velocity of 10 m s −1 …”
Get full text

Rapid detection of fentanyl, fentanyl analogues, and opioids for on-site or laboratory based drug seizure screening using thermal desorption DART-MS and ion mobility spectrometry by Sisco, Edward, Verkouteren, Jennifer, Staymates, Jessica, Lawrence, Jeffrey

“…[Display omitted] •Detection of fentanyl and 16 analogues is possible using both TD-DART-MS and IMS.•Fentanyl can be detected in the presence of 1000× heroin…”
Get full text

Improving particle collection efficiency of sampling wipes used for trace chemical detection by Gillen, Greg, Lawrence, Jeffrey, Sisco, Edward, Staymates, Matthew E, Verkouteren, Jennifer, Robinson, Elizabeth L, Bulk, Alexander

“…Improvement of the particle collection efficiency of sampling wipes is desirable for optimizing the performance of many wipe-based chemical analysis techniques…”
Get more information

Pressure-Sensitive Sampling Wands for Homeland Security Applications by Staymates, Matthew E., Grandner, Jessica, Verkouteren, Jennifer R.

“…This paper discusses the use of force sensing resistor (FSR) technology integrated into sampling wands used for homeland security applications. FSR-integrated…”
Get full text

Emerging techniques for the detection of pyrotechnic residues from seized postal packages containing fireworks by Bezemer, Karlijn D.B., Forbes, Thomas P., Hulsbergen, Annemieke W.C., Verkouteren, Jennifer, Krauss, Shannon T., Koeberg, Mattijs, Schoenmakers, Peter J., Gillen, Greg, van Asten, Arian C.

“…•Direct chemical screening of postal packages to detect fireworks.•Trace pyrotechnic residue detection with IRTD-DART-MS and CE with C4D.•Practical value…”
Get full text

Standardized Method for Measuring Collection Efficiency from Wipe-sampling of Trace Explosives by Verkouteren, Jennifer R., Lawrence, Jeffrey A., Staymates, Matthew E., Sisco, Edward

Get full text