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Showing 1 to 20 of 58 for “"Attenuated Total Reflectance"”.

  1. Identification of changes in the surface of textiles subjected to plasma chemical treatment using attenuated total reflectance-fourier transform infrared spectroscopy

    Kirkland, Joslyn Diana

    … Fourier transform infrared spectroscopy with attenuated total reflectance sampling (ATR-FTIR) to examine changes in the chemical nature of the surface of representative modern and archaeological samples upon plasma treatment. Samples that were treated with destructive wet chemical methods, …

    emich Repository record

  2. Non-destructive analysis of popular cigarette brands utilizing attenuated total reflectance (ATR) and diffuse reflectance infrared fourier transform spectroscopy (DRIFTS) and chemometrics

    Ochs, Amanda Julia2024

    … samples. Popular techniques include Diffuse Reflectance Infrared Fourier Transform Infrared Spectroscopy (DRIFTS) and transmission FTIR. When combined with chemometrics, a mathematical approach to finding similarities and differences among samples, infrared analysis can be used to distinguish …

    bu Repository record

  3. Exploring the Structure-Function Relationships and Dynamics of the Heme/copper Oxidase Superfamily Using Cytochrome Bo(3) From Escherichia Coli as a Model System

    Katsonouri, AndromachiUniversity of Illinois at Urbana-Champaign2015

    … the first study of the heme/copper oxidases by attenuated total reflectance (ATR) FTIR is presented, and preliminary results are shown, which demonstrate that cytochrome bo3 can be constituted into stable thin films, suitable for ATR-FTIR work.

    uiuc Repository record

  4. Analysis of urinary calculi by attenuated total reflection with atlas

    Chan, Peter Tin-Kai1971

    … routine analytical technique by using attenuated total reflectance, and (2) to serve as an atlas for identification of renal calculi.

    u-pacific Repository record

  5. Implications of Diversity: A Study of the Evolution of the Adsorption States of Macromolecules at Surfaces

    Schneider, Hildegard MarieUniversity of Illinois at Urbana-Champaign2014

    … transform infrared spectroscopy in the mode of attenuated total reflectance. The macromolecular systems studied were intentionally varied with regard to chemical composition, surface affinity, flexibility, and solvent quality and concentration.

    uiuc Repository record

  6. A spectroscopic study of paint

    Gulati, TinaUniversity of Central Lancashire2003

    … and pyrolysis-gas chromatography (Py-OC). Attenuated total reflectance (ATR) IR spectroscopy provided non-destructive discrimination between the majority of architectural and automobile samples. Raman spectroscopy - a technique that could have far-reaching forensic applications in the …

    cent-lancashire Repository record

  7. Using vibrational spectroscopy to analyse the effect of environmental aging on gel pen inks

    Durney, LucasUniversity of Central Lancashire2015

    … library approach and hyphenated chromatography. Attenuated Total Reflectance – Fourier Transform Infrared Spectroscopy (ATR-FTIR) is a rapid and non-destructive technique that can objectively profile molecular changes within ink applied to document. The aim of this study is to determine whether …

    cent-lancashire Repository record

  8. Admicellar Polymerization to Compatibilize Calcium Carbonate With Oil-Based Drilling Mud

    Ojo, Olugbenga Samuel2019

    … the coated polymer, Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectra analysis, and thermogravimetric analysis (TGA) of the treated CC and polymer extract confirmed the production of a successful thin film polystyrene-coated CC. The coarse CC size grade had the most …

    mississippi Repository record

  9. Photochemistry of Polycyclic Aromatic Hydrocarbons with Environmentally Relevant Metals

    Haynes, John P.2018

    … liquid chromatography (HPLC), UV-Vis, attenuated total reflectance Fourier transformer infrared spectroscopy (ATR-FTIR), solid-phase extraction (SPE), and electrospray ionization/atmospheric pressure chemical ionization mass spectroscopy (ESI/APCI-MS). HULIS production is based on …

    denver Repository record

  10. Synthesis, properties and applications of single-component anion-exchange materials

    Caamaño, Samira, author, Strauss, Steven H., advisorColorado State University. Libraries2009

    … in the past as anion-exchange extractants for attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy. Different crystallographic, electrochemical and spectroscopic parameters were analyzed to study properties like cation size and its effect in selectivity, morphology of …

    colostate Repository record

  11. Microplastics chemical characterization, regional distribution, and effects on biota

    Simpson, Mathew2024

    … from marine and freshwater coastlines using a attenuated total reflectance Fourier infrared spectrometer (ATR-FTIR). This chapter suggests that standard sample preparation methods may not be necessary for large (> 1 mm) microplastic identification and explores the impact of environmental …

    ballstate-thes Repository record

  12. Use of fourier transform- infrared spectroscopic imaging as a tool for understanding early molecular events driving breast cancer progression

    Holton, Sarah E.University of Illinois at Urbana-Champaign2011

    … chemical imaging in two modes: transflection and attenuated total reflectance (ATR) FT-IR. This correlation is also compared with expression of α-SMA and spectra obtained from normal and tumorigenic human breast tissue biopsies.

    uiuc Repository record

  13. ATR-FTIR Measurements of Cationic Surfactant Exchange Rates at the Solid-Liquid Interface

    Clark, Spencer C.Virginia Tech2003

    … that surfactants are small molecules. Attenuated total reflectance Fourier transform infrared spectroscopy was used to study the adsorption, desorption, and exchange of tetradecyltrimethylammonium bromide (C<sub>14</sub>TABr) at the silicon oxide surface. The exchange of surfactant was …

    vt Repository record

  14. Carbon dioxide (CO2) sorption to Na-rich montmorillonite at Carbon Capture, Utilization and Storage (CCUS) P-T conditions in saline formations

    Krukowski, Elizabeth GayleVirginia Tech2013

    … as an analog for clay-rich shale. Attenuated Total Reflectance -- Fourier Transform Infrared Spectroscopy (ATR -FTIR) was used to identify potential crystallographic sites (AlAlOH, AlMgOH and interlayer space) where CO2 could interact with montmorillonite at 35"C and 50"C and from …

    vt Repository record

  15. Reactivity of Iron-Bearing Minerals Under Carbon Sequestration Conditions

    Murphy, Riley TomasTemple University. Libraries2011

    … CO2 (scCO2) and were analyzed in situ by attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR). In situ ATR-FTIR indicated that the formation of siderite occurred on the order of minutes for ferrihydrite and hematite nanoparticles. Particles were analyzed …

    temple Repository record

  16. Chemical and biochemical applications of vibrational spectroscopy

    Brenner, Reid EthanUniversity of Missouri--Kansas City2022

    … infrared (FTIR) spectroscopy with an attenuated total reflectance (ATR) accessory. This method was then used to monitor PEP binding to rabbit muscle pyruvate kinase (rM1-PYK) using IR difference spectroscopy. This work attempts to address deficits in previous studies of PEP/rM1-PYK …

    umkc Repository record

  17. Biospectroscopy investigations Into cervical cytology

    Halliwell, Diane Elizabeth, Martin, FrankLancaster University2016

    … accurately to risk than absolute dimensions. Attenuated total reflectance, Fourier-transform infra-red (ATR-FTIR) spectroscopy detected that treatment for CIN significantly alters the biochemical fingerprint in the cervix, compared with women who have not had treatment; this is due to the …

    lancaster Repository record

  18. Elucidation of the lipid degradation process in soft tissue and fluid during decomposition, in the presence and absence of insects.

    Comstock, JennaUniversity of Ontario Institute of Technology2014

    … were measured. The fluid was analyzed via attenuated total reflectance- infrared spectroscopy (ATR-IR) and gas chromatography-mass spectrometry (GC-MS) to examine the fatty acid degradation trends, in an attempt to identify potential biomarkers for estimating the post mortem interval (PMI). …

    uoit Repository record

  19. Surface-Enhanced Spectroelectrochemistry using Synchrotron Infrared Radiation

    Morhart, TylerUniversity of Saskatchewan2021

    … spectroelectrochemical technique, namely attenuated total reflectance surface-enhanced infrared absorption spectroscopy (ATR-SEIRAS), is applicable because it is intrinsically surface-sensitive, yields detailed information on molecular structure, and is compatible with a range of …

    sask Repository record

  20. In vivo and in vitro applications of biospectroscopy : potential use as a diagnostic tool which can provide insights into cell cycle dependent proliferation

    Snijders, Kirsten, Martin, Frank, Fullwood, NigelLancaster University2016

    … This study tests Fourier-Transform Infrared Attenuated Total Reflectance (FTIR-ATR) and Raman Spectroscopy as a novel approach for early identification and in depth classification of Endometriosis. An implementation of a non-invasive and high-throughput screening method would eliminate bias …

    lancaster Repository record

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