In order to stop the transportation of materials used for IED manufacture, a standoff checkpoint explosives detection
system (CPEDS) has recently been fabricated. The system incorporates multi-wavelength Raman spectroscopy and laser
induced breakdown spectroscopy (LIBS) modalities with a LIBS enhancement technique called TEPS to be added later
into a single unit for trace detection of explosives at military checkpoints. Newly developed spectrometers and other
required sensors all integrated with a custom graphical user interface for producing simplified, real-time detection results
are also included in the system. All equipment is housed in a military ruggedized shelter for potential deployment intheater
for signature collection. Laboratory and performance data, as well as the construction of the CPEDS system and
its potential deployment capabilities, will be presented in the current work.
Non-invasive blood glucose monitoring has long been proposed as a means for advancing the management of diabetes through increased measurement and control. The use of a near-infrared, NIR, spectroscopy based methodology for noninvasive monitoring has been pursued by a number of groups. The accuracy of the NIR measurement technology is limited by challenges related to the instrumentation, the heterogeneity and time-variant nature of skin tissue, and the complexity of the calibration methodology. In this work, we discuss results from a clinical study that targeted the evaluation of individual calibrations for each subject based on a series of controlled calibration visits. While the customization of the calibrations to individuals was intended to reduce model complexity, the extensive requirements for each individual set of calibration data were difficult to achieve and required several days of measurement. Through the careful selection of a small subset of data from all samples collected on the 138 study participants in a previous study, we have developed a methodology for applying a single standard calibration to multiple persons. The standard calibrations have been applied to a plurality of individuals and shown to be persistent over periods greater than 24 weeks.
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