Search Results - "Verkouteren, Jennifer R."

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

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Accuracy of the double variation technique of refractive index measurement by VERKOUTEREN, J. R, STEEL, E. B, WINDSOR, R. S, PHELPS, J. M

“…Errors in the double variation teclinique of refractive index measurement are analyzed using a new approach. The ability to measure matching wavelength is…”
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New low-index liquid refractive index standard: SRM 1922 by Verkouteren, J R, Leigh, S D

“…A new standard for the calibration of refractometers has been developed. Standard Reference Material (SRM) 1922 is a mineral oil with a refractive index nD =…”
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