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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, ...
Synthesis and surface modification of metallic nanoparticles: Sensitivity, influence of shape, concentration and excitation wavelength on chemical detection by Sers
(2010-05)
Surface-Enhanced Raman Spectroscopy (SERS) is a powerful spectroscopic technique that can be used for detecting analytes at very low concentrations. In SERS, the intensity of vibrational signatures can be enhanced by factors ...
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 ...
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, ...
Desarrollo de método cuantitativo para la determinación del contenido de humedad en el proceso de granulación de un medicamento utilizando la tecnología de infrarrojo cercano
(2011)
The granulation process is one of the most important processes in the manufacture of a pharmaceutical product. This is due to that in this manufacturing step the active ingredient (AI) is mixed with the excipients. One ...
Preparation and study of thin RDX films standards on various substrates deposited by spin coating technology
(2017-05)
The highly energetic material (HEM) hexahydro-1,3,5-trinitro-s-triazine, also known as RDX, has two stable conformational polymorphs at room temperature: α-RDX (molecular conformation of –NO2 groups: axial-axial-equatorial) ...
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 ...
Detection and discrimination of high explosives on human hair by Raman scattering
(2020-05-29)
High explosives (HE) represent a high risk to the safety and health of the general population. Therefore, there is an ongoing demand for methods of analysis with limits of detection at trace levels for these hazardous ...
Quantum cascade laser-grazing angle spectroscopy detection of high explosives deposited on various substrates using air spray
(2020-04-19)
The mid-infrared (MIR) laser reflectance of samples of high explosives (HEs) deposited on reflective and matte substrates using spray deposition was measured and used to generate multivariate (MVA) models for the analysis ...
Synthesis, formation mechanism and characterization of peroxide homemade explosives
(2013)
An important consideration in the area of homemade explosives, which are made from household products, is that it is difficult to control their production and use in terrorist activities. Therefore, security and defense ...