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The impact of dissolution products and solution pH on in vitro behaviour of the bioactive glasses 45S5 and S53P4
(Åbo Akademi - Åbo Akademi University, 19.01.2024)Glass is a versatile material used in our everyday life. The chemical durability of glass depends on its composition. Some applications benefit from lower chemical durability. Glasses in a narrow compositional range are ... -
Utilizing κ-carrageenan Hydrogels in Teaching, Outreach and Chemical Gardens
(Åbo Akademi - Åbo Akademi University, 04.08.2023)κ-carrageenan is a biopolymer that can be extracted from red seaweeds and has found great use for example in the food industry due to its excellent gelling, thickening and stabilizing abilities. The work done in this thesis ... -
Laboratory Studies on Aqueous Absorption and High Temperature Chemistry of NOx and SOx in Thermal Conversion of Biomass Waste
(Åbo Akademi - Åbo Akademi University, 05.05.2023)In order to fulfill the transition to a climate neutral economy and society, various renewable energy sources are needed to replace fossil fuels. Thermal conversion of biomass waste streams plays an important role in this ... -
Pristine iota-Carrageenan and Chemically Functionalized Guar gum Polysaccharides for Metal-ion Complexation and CuS-based Nanocomposite Preparation
(Åbo Akademi - Åbo Akademi University, 19.04.2023)Natural polysaccharides are ubiquitous in nature and have been widely used in human history as food, materials, fuels, and medicine. To cope with climate crisis and develop a more sustainable economy, promoting the use of ... -
Bio-oils in Contact with Steels and Copper Surfaces
Bio-oil is a renewable energy source and can be used either in crude or processed forms. The crude bio-oil can be used in marine engines or conventional combustors. Using bio-oils instead of petroleum fossil fuels in marine ... -
Acyl Group Migration in Carbohydrates : Migration within the saccharide unit and across the glycosidic linkage
(Åbo Akademi - Åbo Akademi University, 02.12.2022)Carbohydrates fulfill many biological roles in nature, all from giving cells their structure to cell signaling. Hemicelluloses form a group of polysaccharides found mostly in plant cells. These polysaccharides help to ... -
Structure and properties of soda-type lignin from a modern biorefinery process
(Åbo Akademi - Åbo Akademi University, 27.05.2022)Due to the increasing concerns regarding the use of crude oil for fuel and chemical production, considerable efforts have been made to find renewable and sustainable alternatives. Lignocellulosic biomass is the most abundant ... -
Nanostructured polymeric surfaces for biological interfaces
(Åbo Akademi University, 26.11.2021)In order to manufacture novel synthetic materials for use in biological applications, the continuous interactions over the materials interface must be thoroughly understood. It is difficult to develop all-encompassing ... -
Coulometric Transduction Method for Solid-Contact Ion-Selective Electrodes
(Åbo Akademi University, 11.06.2021)As one of the pioneering works in the field of solid-contact ion-selective electrodes (SCISEs), a new coulometric transduction method was proposed by Bobacka’s group from Åbo Akademi University. This thesis work was carried ... -
Application of LC-MS for the identification and quantification of pharmaceuticals and their transformation products during catalytic ozonation
(Åbo Akademi University, 19.02.2021)The presence of pharmaceuticals in the environment is of concern due to their harmful effect on aquatic organisms. Because of this, it is important that they are effectively removed in wastewater treatment plants. Conventional ... -
Natural aluminous raw materials in glass melting
(Åbo Akademi|en - Åbo Akademi University, 1987)- -
Hierarchically Porous Silica, Carbon and Metal Oxide Monoliths – Synthesis and Characterization
(Åbo Akadem - Åbo Akademi University, 2006)Silica monoliths exhibiting a three-modal, hierarchical pore structure have successfully been prepared via sol-gel processing. Monolithic bodies with interconnected macropores in the μm range are a result of phase separation ... -
Application of LC-MS/MS for environmental analysis
(Åbo Akademi - Åbo Akademi University, 07.09.2018) -
Development and application of plasmonic materials for dye- and polymer-sensitized solar cells
(Åbo Akademi - Åbo Akademi University, 18.05.2018)Among the numerous solar cell technologies, emerging thin film solar cells, such as dye-sensitized solar cells, offer the possibility for large-scale integration using sustainable and low-cost materials. In these thin ... -
Multivalency in Carbohydrate Chemistry : From Oligosaccharides to Oligovalency and Beyond
(Åbo Akademis förlag - Åbo Akademi University Press, 16.02.2018)Carbohydrates are among the most abundant biomolecules on earth and can be found in all living things. Their role in nature ranges from structural components such as cellulose in plants and chitin in the exoskeletons of ... -
Application of Hydrophobic Solid Contacts in Ion-Selective Electrodes
(Åbo Akademi - Åbo Akademi University, 13.10.2017)Ionophore-based ion-selective electrodes (ISEs) are attractive tools for environmental monitoring, process control and clinical analysis. Recent developments in ISE research, such as single-use disposable sensors, require ... -
Chemical engineering of surface coatings for natural stones
(Åbo Akademi - Åbo Akademi University, 24.02.2017)Natural stones are materials widely used in today’s architecture. White stones (such as marble) and speckled stones (such as granite) are regarded as suitable for decorative purposes and as construction materials. A major ... -
Synthetic modifications of the natural lignan hydroxymatairesinol towards ligands for asymmetric catalysis
(Åbo Akademi - Åbo Akademi University, 17.02.2017)Finland has a long history of utilizing wood as fuel, construction material and for paper production. However, modern reality raises the question of more efficient and advanced utilization of wood‐based natural products. ... -
Protein adsorption and cell adhesion to nanostructured paper coatings
(Åbo Akademi - Åbo Akademi University, 16.12.2016)Protein coatings can be prepared in order to take advantage of their biological functions such as specific binding properties and the ability to enhance or reduce cellular adhesion. The physicochemical surface properties ... -
Modelling the chemistry of metal cations in pulp and papermaking processes
(Åbo Akademi - Åbo Akademi University, 10.11.2016)-