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Dependence of active mode remote Ft-Ir sensing on angle of incidence, substrate type and analyte surface concentration
(2013-12)
A standoff detection scheme for a highly energetic material (HEM) and other threat chemicals deposited on substrates as contamination residues using Fourier transform infrared spectroscopy (FTIR) is described. The HEM used ...
Standoff laser-Induced thermal emission of explosives
(2013)
A laser mediated methodology for remote thermal excitation of analytes followed by standoff infrared (IR) detection is proposed. The goal of this study was to determine the feasibility of using laser induced thermal emission ...
Thermal inkjet technology for the deposition of nanoparticles and Metal-organic framework (Mof): Preparation of sers-active substrates and Mof films for In-situ enhanced raman and infrared detection of harmful contaminants
(2012-12)
The applications of thermal ink-jet printing technology as deposition technique of functional materials such as metal nanoparticles and microporous nickel-oxalate metal organic framework were studied. Highly sensitive ...
Design and development of remote Raman spectroscopy system for detection of hazardous compounds
(2012-11)
Remote Raman detection has become a powerful analytical technique for detection of hazardous compounds in situ and without sample preparation at distances away from the observation site. This study describes the design, ...
Surface enhanced Raman spectroscopy of vegetative cells and endospores of Bacillus thuringiensis as a model for detection of biothreats
(2012-05)
The development of rapid and efficient techniques for biological detection, identification and classification has a positive impact in fields ranging medical, environmental and industrial microbiology to biological warfare ...
Low temperature aqueous synthesis of Zno nanorods and coating of Au On ZNO for enhanced Raman spectroscopy studies
(2013)
This thesis reports results on the growth-controlled synthesis of zinc oxide nanorods (ZnO NRs) in aqueous phase has been investigated. ZnO NRs were grown on ZnO films previously deposited onto Si (100) and indium tin oxide ...
Synthesis of nanoparticles of iron oxide, silver and gold for photodegradation and detection of 2,4,6-trinitrotoluene
(2013)
Various nano-structured materials were synthesized to be used in the purification and detection of contaminants in water. Iron oxides and extruded polystyrene/TiO2 nanocomposites were synthesized, characterized and evaluated ...
Experimental and theoretical study of solubility of 1, 3, 5-trinitrohexahydro-S-triazine (Rdx) In alcohols
(2010)
The solubility of 1,3,5-trinitrohexahydro-s-triazine (RDX) in different alcohols were measured by HPLC, DSC, GC/MS, and NMR. The conformation of RDX in acetone-D6 solution was verified by vibrational studies using Raman ...
Laser-Induced growth of nanoparticles and nanostructures
(2011)
The preparation of nanostructures assisted by laser action was studied and successfully accomplished from solution and on surfaces. The synthesized nanostructures were characterized by several microscopy techniques. Silver, ...
Synthesis and characterization of copper nanoparticles: Architectural morphologies and applications in surface enhanced raman spectroscopy
(2009)
The preparation of copper colloidal suspensions was conducted by three different methods. These methods used wet chemical synthesis, in which a metal salt solution was mixed with a solution containing the reducing agent. ...