Výsledky vyhledávání - "Marcela N. Najarro"

A multi-laboratory investigation of drug background levels

Publikováno v: Forensic chemistry (Amsterdam, Netherlands). 16

Identifying and quantifying the drug background in operational environments such as forensic laboratories is an emerging body of research. Knowing these levels is crucial to addressing issues like occupational exposure risk - due to the emergence of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2734771b13c49c973c318a8e7cd5e260
https://pubmed.ncbi.nlm.nih.gov/32118122

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Review of the National Institute of Standards and Technology Research Program in Trace Contraband Detection

Autor: Joe Bennett, Shin Muramoto, Robert A. Fletcher, Jeffrey A. Lawrence, Jessica L. Staymates, Jennifer R. Verkouteren, Alex Bulk, Matt Staymates, Thomas P. Forbes, Ed Sisco, Greg Gillen, Mike Verkouteren, Marcela N. Najarro, Liz Robinson

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::181986571db2d78ad0cc21483337a11d
https://doi.org/10.1520/stp161420180050

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A snapshot of drug background levels on surfaces in a forensic laboratory

Autor: Marcela N. Najarro, Edward Sisco, Amber Burns

Publikováno v: Forensic chemistry (Amsterdam, Netherlands)

While background studies have been commonplace in many occupational fields for a long time, attempts to understand the chemical background in forensics labs has been largely understudied. Such studies can help define the efficiency of cleaning proced

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cfb67610a893fa0ca1a7f3d8b2d6b05
https://pubmed.ncbi.nlm.nih.gov/31555749

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Ion mobility spectrometry nuisance alarm threshold analysis for illicit narcotics based on environmental background and a ROC-curve approach

Autor: Marcela N. Najarro, Thomas P. Forbes

Publikováno v: The Analyst. 141:4438-4446

The discriminative potential of an ion mobility spectrometer (IMS) for trace detection of illicit narcotics relative to environmental background was investigated with a receiver operating characteristic (ROC) curve framework. The IMS response of coca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9672f433e9149149ff3c13857c24c2b3
https://doi.org/10.1039/c6an00844e

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Particle Fabrication Using Inkjet Printing onto Hydrophobic Surfaces for Optimization and Calibration of Trace Contraband Detection Sensors

Autor: Tim Barr, Scott A. Wight, Marlon L. Walker, Jennifer R. Verkouteren, Marcela N. Najarro, Eric S. Windsor, Matthew E. Staymates, Aaron Urbas, Greg Gillen

Publikováno v: Sensors, Vol 15, Iss 11, Pp 29618-29634 (2015)
Sensors (Basel, Switzerland)
Sensors
Volume 15
Issue 11
Pages 29618-29634

A method has been developed to fabricate patterned arrays of micrometer-sized monodisperse solid particles of ammonium nitrate on hydrophobic silicon surfaces using inkjet printing. The method relies on dispensing one or more microdrops of a concentr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d1fd969a5a47f0d921d019ec6a1f5f3
https://doi.org/10.3390/s151129618

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Quantifying the Stability of Trace Explosives under Different Environmental Conditions using Electrospray Ionization Mass Spectrometry

Autor: Jeffrey A. Lawrence, Marcela N. Najarro, Edward Sisco, Daniel V. Samarov

This work investigates the stability of trace (tens of nanograms) deposits of six explosives: erythritol tetranitrate (ETN), pentaerythritol tetranitrate (PETN), cyclotrimethylenetrinitramine (RDX), cyclotetramethylenetetranitramine (HMX), 2,4,6-trin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5eafe57b3df612fac82779104589fab2
https://europepmc.org/articles/PMC5539979/

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Application of inkjet printing technology to produce test materials of 1,3,5-trinitro-1,3,5 triazcyclohexane for trace explosive analysis

Autor: Eric S. Windsor, Greg Gillen, Anna Bloom, Marcela N. Najarro, Bruce A. Benner, Richard Lareau, Robert A. Fletcher

Publikováno v: Analytical chemistry. 82(20)

The feasibility of the use of piezoelectric drop-on-demand inkjet printing to prepare test materials for trace explosive analysis is demonstrated. RDX (1,3,5-trinitro-1,3,5 triazcyclohexane) was formulated into inkjet printable solutions and jetted o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d09ff947b0a4974852221fb0141789ac
https://pubmed.ncbi.nlm.nih.gov/20873797

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Optimized thermal desorption for improved sensitivity in trace explosives detection by ion mobility spectrometry

Autor: Melissa E. Dávila Morris, Greg Gillen, Robert A. Fletcher, Marcela N. Najarro, Matthew E. Staymates

Publikováno v: The Analyst. 137:2614

In this work we evaluate the influence of thermal desorber temperature on the analytical response of a swipe-based thermal desorption ion mobility spectrometer (IMS) for detection of trace explosives. IMS response for several common high explosives r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8e11b863607a6c6145d4cce00d25251
https://doi.org/10.1039/c2an16145a

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