Explosive trace detection (ETD) technologies play a vital role in maintaining national
security. ETD remains an active research area with many analytical techniques in …

Mass spectrometry (MS) is a formidable analytical tool for the analysis of non-polar to polar
compounds individually and/or from mixtures, providing information on the molecular …

Swab sampling is of great importance in surface contamination analysis. A cotton swab
(cotton Q-tip) was successfully transformed into surface-enhanced Raman scattering (SERS) …

Trace detection of explosives has been an ongoing challenge for decades and has become
one of several critical problems in defense science; public safety; and global counter …

The advent of miniaturized, fiber-based, Raman spectrometers provides a clear path for the
wide implementation of surface-enhanced Raman scattering (SERS) in analytical chemistry …

The number and capability of explosives detection and analysis methods have increased
substantially since the publication of the Analytical and Bioanalytical Chemistry special …

This paper describes, in detail, the development of a novel, low-cost, and flexible drift tube
(DT) along with an associated ion mobility spectrometer system. The DT is constructed from …

It is fairly crucial to detect inorganic explosives through a sensitive and fast method in the
field of public safety, nevertheless, the high non-volatility and stability characteristics …

Methods for the on-site analysis of food contaminants are in high demand. Although portable
Raman spectroscopy is commonly used to test food on-site, it can be challenge to achieve …

The ionization source is an essential component of most explosive detectors based on
negative ion mobility spectrometry. Conventional ion sources suffer from such inherent …