Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 161 for “"Fourier transform infrared spectroscopy (FTIR)"”.
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The identification and characterization of genomic bacterial DNA utilizing vibrational spectroscopy
"Fourier Transform Infrared Spectroscopy (FTIR) and its complementary technique Raman Spectroscopy were used to study dried films of pure intact genomic Deoxyribonucleic Acids (DNA) from two species of Bacillus bacteria complexed with Tris(hydroxmethyl)aminomethane (Tris) and …
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FTIR studies of environmental effects on carbonmonoxymyoglobin
In this thesis, Fourier Transform Infrared Spectroscopy (FTIR) was used to study the interaction between the protein myoglobin (Mb), and substrate carbon-monoxide (CO), as a model system of control in protein-ligand systems. IR spectra of the CO molecule bound to Mb have been obtained as a function …
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Test Development and Material Characterization of Hot Poured Crack Sealant at Low Temperature
… (ESEM), gel-permeation chromatography (GPC), Fourier-transform infrared spectroscopy (FTIR), and thermo-gravimetric analysis (TGA). These techniques reveal the composition of sealant as well as the interaction between the components and are used to assist the understanding of various sealant …
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Carbon Dioxide Capture With Amine Functionlized Graphene Oxide
… graphene oxide has been analyzed with fourier transform infrared spectroscopy (ftir) for chemical structure. Thermal gravimetric analysis (tga) was used to test co2 capture capacity. Functionalized graphene oxide that has been purified with 30 washes via centrifuge with 72 hour amine …
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High Extinction Ratio Subwavelength 1D Infrared Polarizer by Nanoimprint Lithography
Infrared (IR) polarizers have been widely used in military and commercial applications. Controlling the polarization of incident light is one of major issues in the detector systems. However, conventional polarimetric IR detectors require series of polarizers and optical components, which increase …
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Single Step Synthesis of Antibiotic Kanamycin Embedded Gold Nanoparticles for Efficient Antibacterial Activity
… Electron Microscopy (TEM), Energy Dispersive Spectroscopy (EDS), Fourier Transform Infrared Spectroscopy (FTIR), and Ultra-Voilet/Visible spectroscopy (UV/Vis spectroscopy). The following research is a direct bio-friendly embedment of an antibiotic agent on the surface of the GNPs without any …
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Growth and characterization of FeSi nanowires by chemical vapor deposition for gas sensing applications
… Electron Microscopy (SEM), Photoluminescence Spectroscopy (PL), Raman Spectroscopy and Fourier Transform Infrared Spectroscopy (FTIR).
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Electrodeposition of Diamond-like Carbon Films
… by scanning electron microscopy (SEM), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), fourier transform infrared spectroscopy (FTIR) and cyclic voltammetry (CV). A variety of experimental parameters were shown to affect the deposition process. The second electrochemical method was …
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Development of eco-friendly flame retardant fabric using phosphorus based intumescence chemistry
… and the coated material were tested using Fourier transform infrared spectroscopy (FTIR), Differential scanning calorimeter (DSC), and Thermogravemetric analysis (TGA) testing instruments. Vertical flammability testing was performed as per ASTM D-6413 standards to test the fabric for its …
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Effect of Amines as Corrosion Inhibitors for a Low Carbon Steel in Power Industry
… (SEM), phase analysis was done utilizing Fourier transform infrared spectroscopy (FTIR), and weight loss was performed to assess kinetics of oxidation. Control samples showed the highest metal dissolution rate. DBU showed the best performance in metal protection and SEM indicated the …
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Degradation of High Voltage Glass Fiber-Reinforced Polymer Matrix Composites by Aggressive Environmental Conditions
… scanning electron microscopy (SEM) techniques. Fourier transform infrared spectroscopy (FTIR) techniques are used to analyze chemical structure of the composites.</p>
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An Investigation Into the Properties and Fabrication Methods of Thermoplastic Composites
… Differential scanning calorimetry (DSC), and Fourier transform infrared spectroscopy (FTIR) were used to determine crystallinity and chemical properties of several polyaryletherketones. Tensile, compressive, and Mode I interlaminar fracture toughness tests were conducted to analyze mechanical …
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Cost Effective Synthesis of Ionic Liquids and Their Thermal Properties
… was done using Thermogravimetric Analysis (TGA), Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Differential Thermometry (DSC-TGA). Cost effective ionic liquids were synthesized and characterized and then compared to commercially available ionic liquids. Results for newly synthesized …
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Hydrophobic, fluorinated silica xerogel for low-k applications.
… stability by thermogravimetric analysis (TGA), Fourier transform Infrared spectroscopy (FTIR), contact angle, and dynamic secondary ion mass spectroscopy (DSIMS), dielectric constant determined by impedance measurement, and mechanical properties (E and H) determined by nanoindentation of TEFS …
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The Search For Volatile Biogenic Emissions In Geothermal Areas
… and quantified in air above hot springs with Fourier transform infrared spectroscopy (FTIR). The stated hypothesis was refuted, as no chemicals of uniquely biological origin were detected with FTIR. A discussion of why no uniquely biological chemicals were detected with FTIR is presented. An …
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The Search For Volatile Biogenic Emissions In Geothermal Areas
… and quantified in air above hot springs with Fourier transform infrared spectroscopy (FTIR). The stated hypothesis was refuted, as no chemicals of uniquely biological origin were detected with FTIR. A discussion of why no uniquely biological chemicals were detected with FTIR is presented. An …
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Valorization of banana peels to obtain a bioplastic from acetylated starch
… are banana peels, which can be valorized to be transformed into bioplastic. The objective of this research is to develop a bioplastic film on a laboratory scale, from the starch extracted from banana peels using the acetylation method. To evaluate the quality of the bioplastic, six tests were …
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A combined approach of electronic structure calculations and spectroscopy for elucidating reaction mechanisms in organic and bioinorganic systems
… spectroscopic techniques such as stopped flow Fourier transform infrared spectroscopy (FTIR), muon spin resonance (�SR), and nuclear inelastic scattering (NIS). These complementary techniques are used to investigate the structure and mechanism of a variety of important chemical systems, some of …
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FTIR Analysis of Bacteria Biomass-Mineral Interactions in Soils
… the bacteria-soil/clay matrix was analyzed using Fourier-transform infrared spectroscopy (FTIR). Through FTIR analysis we were able to confidently identify areas of bacteria biomass-mineral interactions. The spectra revealed high bacterial activity within the range of 1400 – 1800 cm<sup>-1</sup>. …
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Coaxial Electrospinning of Synthetic/Natural Polymer Combinations for Controlled Release of Active Components in Biomedical Applications
… including scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), UV-visible spectroscopy, and transmission electron microscopy (TEM), are employed to analyse fibre morphology, chemical composition, and structural properties. Specifically, polycaprolactone (PCL) as a …
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