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Showing 1 to 14 of 14 for “"ATR-IR"”.
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Kinetics of Polymer Interfacial Reactions
… monolayers (SAMs) on solid substrates: first of all, functional surfaces modified with azide SAMs are presented in Chapter 3. Secondly, a precise control of the areal density of surface `click' functionality is proposed in Chapter 4. Thirdly, a kinetic investigation of reaction between …
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Novel Techniques and Electrolytes for Energy Storage Devices
… by collaborators were investigated for their suitability. Several techniques were applied to measure key physical properties of the novel sodium electrolytes, including electrochemical impedance spectroscopy, pulsed field gradient nuclear magnetic resonance and viscometry. Collectively, …
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A spectroscopic study of paint
… chromatography (TLC), infrared spectroscopy (IR), Raman spectroscopy 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 …
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Obtención y caracterización de biodiesel a partir de aceite de Cannabis Sativa L. (Cáñamo)
… y caracterización del biodiesel obtenido a partir de aceite de cáñamo, a escala de laboratorio, considerando los problemas relacionados con la industria bioenergética y del cáñamo en Colombia, por medio de un estudio de las propiedades fisicoquímicas y de la cinética de la reacción de …
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Elucidation of the lipid degradation process in soft tissue and fluid during decomposition, in the presence and absence of insects.
… 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). Tissue was also collected, from which pH was …
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STRUCTURE-ACTIVITY RELATIONSHIPS OFHETEROGENEOUS CATALYSTS FOR THE LIQUID-PHASE H2PRODUCTION FROM NITROGEN-HYDRIDES
… of heterogenous catalysts are determined by their complexity, and the surface chemistry results from an ensemble of phenomena and interactions. Establishing structure-property relationships is complex, but correlating the composition of catalysts to their overall activity is the doorstep to …
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Borinic Acid-catalyzed Ring-opening of Epoxy Alcohols
… various nucleophiles. The current work is inspired by the methodology void for C3-selective ring-opening of homoallylic alcohol-derived epoxides, as literature precedence uses transition metal-based approaches that result in C4-selectivity. The prevalence of amino-, thiol-, and halodiol motifs …
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Hydrogen terminated silicon surfaces: Development of sensors to detect metallic contaminants and stability studies under different environments
… to develop sensors for semiconductor and environmental applications. The interaction of these surfaces with different environments has also been studied in detail. The sensor assembly relevant to the semiconductor industry utilizes a silicon-based sensor to detect trace levels of metallic …
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Role of adsorption in catalysis: applications of NMR relaxometry
… hydrogenation of citral on 5% Pt/SiO2. Infrared (IR) spectroscopy, volumetric adsorption isotherms, dynamic isotherms via a Tapered Element Oscillating Microbalance (TEOM), temperature programmed desorption (TPD) as well as 13C T1 NMR and 1H 2D T1-T2 relaxometry methods were employed. Energies of …
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Ανάπτυξη υβριδικών υλικών που βασίζονται σε ημιαγώγιμα πολυμερή και νανοδομές άνθρακα
… Φασματοσκοπία Ολικής Διαπερατότητας Υπερύθρου (ATR-IR) ως προς τα δομικά τους χαρακτηριστικά, με Φασματοσκοπία Ορατού-Υπερύθρου (UV-Vis) και Φωτοφωταύγειας (PL) ως προς τις οπτικές τους ιδιότητες και τέλος με Ηλεκτρονική Μικροσκοπία Διαπερατότητας (TEM) ως προς τη μορφολογία τους.
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Process analytical technology in tablet manufacturing
… studies with screw configuration are still required to improve shapes on granules.Blending uniformity was firstly studied by ATR-IR spectroscopy and PCA showed similarity of data after 10 min of blending in all 3 batches. Therefore, DoE was employed to optimize three critical process parameters; …
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The preparation and characterisation of highly selective adsorbents for fission product removal from acid solutions
… up to 30% of the natural uranium that is required each year for the fabrication of new nuclear fuel. A second aim is to reduce the volume of high-level radioactive waste. Along with the separation of uranium and plutonium there has been a significant interest in the extraction of short-lived …
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Tailoring the redox enzyme-material interface for enhanced electro- and photocatalytic fuel synthesis
… glucose in natural photosynthesis serves as inspiration for the design of (semi)artificial systems which convert electrical or solar energy into chemical fuels. These artificial (photo)synthetic systems are generally comprised of either an electrode or a cheap and robust light harvester …