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 181 for “"Chemical Sciences"”.
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Distribution of knowledge production in the chemical sciences in the US
… distribution of highly cited articles in the chemical sciences in the US over the last thirty years. The contribution of US chemistry departments was determined by quantifying the number of highly cited articles published by individual authors or groups of authors from the same department. …
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Data-Driven Research for Amorphous Materials: Towards Seamless Utilization of Publication Data in Chemical Sciences
… in the domain of data-driven research in the chemical sciences, and based on previous research in the field, new methodologies were developed for the extraction of physical and chemical properties for chemical compounds. For the first time, hierarchies of nested physical properties are …
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Greening the chemistry curriculum. To embed the concepts of sustainability and environmental responsibility into the chemistry curriculum in order to equip graduates for future practises in the chemical sciences
… this reason, and with the introduction of new chemical legislation (REACH) driving change it is essential that current students are given a broad introduction to sustainability and environmental responsibility in order to equip them as graduates for future practice in the chemical sciences. At …
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Quality assessment of frying oils in the formal and informal food preparation sectors
… for the Master's Degree in Technology: Chemical Sciences, Technikon Natal, Durban, South Africa, 1998.
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Creating Green Chemistry: Discursive Strategies of a Scientific Movement
… and institute changes in the practice of the chemical sciences. The study looks specifically at three different strategies. The first is the construction of a historical narrative. This history comes from the intersection of the chemical sciences with environmentalism in the United States …
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In-Situ Spectrocopy: Gas Mixture Analysis Using A Simplified Multi-Pass Capillary Cell and Optical Considerations In Dual-Pulse Laser-Induced Breakdown Spectroscopy Analysis of Bulk Aqueous Solutions
… for in-situ spectroscopy. As knowledge in the Chemical Sciences as well as technology progress, scientific questions are encountered that require analyses to be performed in-situ due to concerns that sampling and sample preparation may not provide the most accurate information. The two methods …
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Synthesis, characterization and applications of complexes with transition metal ions in d6, d8 and d10 configuration, with nitrogen heterocyclic ligands containing pyridinic nuclei.
This PhD project in Chemical Sciences and Technologies focused on the synthesis, reactivity and applications of various nitrogen-containing heterocyclic ligands containing pyridine nuclei and their derivatives with transition metal ions, mainly in d8 configuration, including Pd(II), Pt(II) and …
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Tailoring functional Π-conjugated polymers and molecules for organic photovoltaic applications
… topic in applied polymer, materials, and chemical sciences over the past decade due to the continuous improvement in device performance. The solution-processability of the organic active layer materials allows for the development of low-cost, flexible, and lightweight solar devices which …
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RNA-Peptide Based Coacervates as a Prebiotically Plausible Pathway towards a Proto-Ribosome
… These biomacromolecules were in a variety of chemical environments, including against acidic, neutral and basic conditions to test their ability to undergo coacervation and maintain their assemblies. Coacervate formation was tested in the presence of excess RNA and excess peptide and in …
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ΘΕΡΜΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΤΟΥ ΣΥΣΤΗΜΑΤΟΣ CAHP04.2H20-CA(H2P04)2.H20-SI02 ΚΑΙ ΟΞΙΝΟΘΕΡΜΙΚΗ ΕΠΕΞΕΡΓΑΣΙΑ ΤΩΝ ΦΤΩΧΩΝ ΦΩΣΦΟΡΙΤΩΝ (ΗΠΕΙΡΟΥ)
THE STUDY OF THE DRIMONA-EPIRUS PHOSPHATE ROCK PROVED THAT IT IS A POOR PHOSPHORITES WITH MAIN USEFUL ORE THE FLUORAPATITE AND MAIN IMPURITIES QUARTZ, WHICH CAN NOT BE BENEFICIATED SATISFACTORILY FOR FURTHER WET PROCESS TREATMENT. THE UTILIZATION OF THE PHOSPHATE ROCK FOR THE PRODUCTION OF …
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In-Vivo and In-Vitro Cholesterol Removal by Lactobacilli and Bifidobacteria
Four strains of Lactobacillus acidophilus, eleven strains of L. casei and five strains of Bifidobacterium were studied for their acid and bile tolerance. Possible mechanisms of cholesterol removal were also examined. All strains showed varying levels of tolerance at pH 2.0 for two hours. L. …
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ΣΥΝΘΕΣΗ ΑΡΩΜΑΤΙΚΩΝ ΥΠΟΚΑΤΕΣΤΗΜΕΝΩΝ ΘΕΙΑΙΘΕΡΩΝ ΚΑΙ ΔΙΑΣΠΑΣΗ ΤΟΥΣ ΜΕ ΤΗΝ ΑΝΙΟΝΤΙΚΗ ΡΙΖΑ ΤΟΥ ΛΙΘΙΟΝΑΦΘΑΛΙΝΙΟΥ [C10H8] LI
ΣΥΝΘΕΣΗ ΑΡΩΜΑΤΙΚΩΝ ΥΠΟΚΑΤΕΣΤΗΜΕΝΩΝ ΘΕΙΑΙΘΕΡΩΝ ΚΑΙ ΜΕΛΕΤΗ ΤΟΥ ΤΡΟΠΟΥ ΔΙΑΣΠΑΣΗΣ ΤΩΝ ΜΕ ΤΗΝ ΑΝΙΟΝΤΙΚΗ ΡΙΖΑ ΤΟΥ ΛΙΘΙΟΝΑΦΘΑΛΙΝΙΟΥ.
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The development of integrated chemistry-based experiments implications for the teaching of environmental chemistry in the Vietnamese context
… laboratory experiments in the Journal of Chemical Education (ACS) and Education in Chemistry (RCS) has been carried out from 1969 to the present. The experiments have been categorized as being related to the areas of either air, water or soil. Over the same period of time, a similar survey …
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Identification and characterisation of bacterial genes associated with resistance to and/or degradation of environmental pollutants
Bacteria were previously isolated from two separate sites, one contaminated with lead and the other with Polycyclic Aromatic Hydrocarbons (PAHs). Alcaligenes sp. AO22 and Arthrobacter sp. E9 were identified from the lead contaminated site, while Stenotrophomonas maltophilia was identified from the …
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Use Of Cryoprotectants, Prebiotics And Microencapsulation of Bacterial Cells in Improving the Viability of Probiotic Organisms in Freeze-Dried Yoghurt
The main aim of this study was to improve the viability of probiotic organisms within freeze-dried yoghurt during processing and storage. Initially, probiotic organisms including Lactobacillus acidophilus, Lactobacillus casei, Lactobacillus rhamnosus and Bifidobacterium spp. were incorporated in …
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Influence of probiotic organisms on proteolytic pattern, release of bioactive compounds and sensory attributes of cheddar cheese
The overall objective was to study the influence of probiotic organisms on the proteolytic pattern, sensory evaluation and release of bioactive peptides in Cheddar cheeses. The study consists of three main parts. The first part of the study aimed at development of Cheddar cheeses with the addition …
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ΑΝΑΠΤΥΞΗ ΝΕΩΝ ΑΥΤΟΜΑΤΟΠΟΙΗΜΕΝΩΝ ΦΑΣΜΑΤΟΦΩΤΟΜΕΤΡΙΚΩΝ ΜΕΘΟΔΩΝ ΑΝΑΛΥΣΕΩΣ ΜΕ ΤΗΝ ΤΕΧΝΙΚΗ ΤΗΣ ΕΙΣΑΓΩΓΗΣ ΔΕΙΓΜΑΤΟΣ ΣΕ ΡΟΗ ΚΑΙ ΕΦΑΡΜΟΓΕΣ ΣΤΗ Φ...
THE DEVELOPMENT OF SEVERAL AUTOMATED FLOW INJECTION SPECTROPHOTOMETRIC METHODS OF ANALYSIS, USING A LABORATORY MADE ANALYZER INTERFACED TO A MICROCOMPUTER, ISDESCRIBED. THE ANALYTICAL REACTIONS AND CLASSICAL METHODS CHOSEN FOR AUTOMATION SUFFER FROM: A) TIME CONTROL OF THE STEPS INVOLVED, B) …
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Computational and experimental investigations of biologically interesting molecules
The reconciliation of experimental and computational data is an on-going challenge in many fields of scientific enquiry. This is particularly true in chemistry, especially with respect to biologically interesting molecules, given the myriad of problems that now lend themselves to theoretical …
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