Blar i Øvrige samlinger på forfatter "Ucar, Seniz"
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A correlative spatiotemporal microscale study of calcium phosphate formation and transformation within an alginate hydrogel matrix.
Bassett, David; Ucar, Seniz; Sikorski, Pawel; Andreassen, Jens-Petter; Bjørnøy, Sindre Hove; Strand, Berit Løkensgard (Journal article; Peer reviewed, 2016)The modification of soft hydrogels with hard inorganic components is a method used to form composite materials with application in non-load-bearing bone tissue engineering. The inclusion of an inorganic component may provide ... -
Controlled mineralisation and recrystallisation of brushite within alginate hydrogels
Bjørnøy, Sindre Hove; Bassett, David; Ucar, Seniz; Sikorski, Pawel; Andreassen, Jens-Petter (Journal article; Peer reviewed, 2016-02)Due to high solubility and fast resorption behaviour under physiological conditions, brushite (CaHPO4⋅2H2O, calcium monohydrogen phosphate dihydrate, dicalcium phosphate dihydrate) has great potential in bone regeneration ... -
Corrosion and degradation in MEA based post-combustion CO2 capture
Fytianos, Georgios; Ucar, Seniz; Grimstvedt, Andreas Magnar; Hyldbakk, Astrid; Svendsen, Hallvard Fjøsne; Knuutila, Hanna K. (Journal article; Peer reviewed, 2016)Two of the main challenges in post-combustion CO2 capture with ethanolamine are solvent degradation and material corrosion. It has been shown that there is a correlation between degradation and corrosion. The present paper ... -
Corrosion Evaluation of MEA Solutions by SEM-EDS, ICP-MS and XRD
Fytianos, Georgios; Ucar, Seniz; Grimstvedt, Andreas Magnar; Svendsen, Hallvard Fjøsne; Knuutila, Hanna K. (Journal article; Peer reviewed, 2016)The target of this work is to evaluate three analytical techniques, ICP-MS, SEM-EDS and XRD, which can be applied in corrosion monitoring of ethanolamine based post-combustion CO2 capture plants. The work is based on ... -
Crystallization kinetics and growth of struvite crystals by seawater versus magnesium chloride as magnesium source: Towards enhancing sustainability and economics of struvite crystallization
Shaddel, Sina; Grini, Tonje; Andreassen, Jens-Petter; Østerhus, Stein Wold; Ucar, Seniz (Peer reviewed; Journal article, 2020)The recycling of nutrients from wastewater and their recovery in the form of valuable products is an effective strategy to accelerate the circular economy concept. Phosphorus recovery from wastewater by struvite crystallization ... -
The Effect of Reaction Conditions and Presence of Magnesium on the Crystallization of Nickel Sulfate
Jenssen, Ina Beate; Bøckman, Oluf; Andreassen, Jens-Petter; Ucar, Seniz (Peer reviewed; Journal article, 2021)Recycling of valuable metals such as nickel is instrumental to meet the need from the dramatic increase in electric vehicle battery production and to improve its sustainability. Nickel required in the battery manufacture ... -
Engineering of struvite crystals by regulating supersaturation – Correlation with phosphorus recovery, crystal morphology and process efficiency
Shaddel, Sina; Ucar, Seniz; Andreassen, Jens-Petter; Østerhus, Stein Wold (Journal article; Peer reviewed, 2019)Struvite crystallization is widely applied for nutrient recovery from wastewater streams. The better understanding of the effects of reaction conditions on final crystal properties will contribute to improve both the ... -
Enhancing efficiency and economy of phosphorus recovery process by customizing the product based on sidestream characteristics
Shaddel, Sina; Ucar, Seniz; Andreassen, Jens-Petter; Østerhus, Stein Wold (Journal article; Peer reviewed, 2019)The enhanced biological phosphorus removal process makes the phosphorus recovery feasible from the dewatering streams of biological sludge. The physicochemical properties of these sidestreams, as an input to a crystallizer, ... -
Formation of Hydroxyapatite via Transformation of Amorphous Calcium Phosphate in the Presence of Alginate Additives
Ucar, Seniz; Bjørnøy, Sindre Hove; Bassett, David; Strand, Berit Løkensgard; Sikorski, Pawel; Andreassen, Jens-Petter (Journal article; Peer reviewed, 2019)Hydroxyapatite (HA) is the primary mineral of vertebral tooth and bone tissue; thus, it is often incorporated into synthetic composite materials designed for hard tissue engineering applications. Understanding the formation ... -
Gelling kinetics and in situ mineralization of alginate hydrogels: A correlative spatiotemporal characterization toolbox.
Åslund, Andreas; Bassett, David; Ucar, Seniz; Sikorski, Pawel; Andreassen, Jens-Petter; Mandaric, Stefan; Bjørnøy, Sindre Hove; Strand, Berit Løkensgard (Journal article; Peer reviewed, 2016)Due to their large water content and structural similarities to the extracellular matrix, hydrogels are an attractive class of material in the tissue engineering field. Polymers capable of ionotropic gelation are of special ... -
Nucleation and Growth of Brushite in the Presence of Alginate
Ucar, Seniz; Bjørnøy, Sindre Hove; Bassett, David; Strand, Berit Løkensgard; Sikorski, Pawel; Andreassen, Jens-Petter (Journal article, 2015)Biomineral formation in vivo is a complex process regulated by functional molecules. Highlighting the mechanisms underlying biomineralization is necessary for a better understanding of in vivo processes and for enhanced ... -
Precipitation of silver particles with controlled morphologies from aqueous solutions
Wang, Lijuan; Andreassen, Jens-Petter; Ucar, Seniz (Journal article; Peer reviewed, 2019)Synthesis of silver particles with controlled morphologies enables their use in a variety of applications. Although several synthetic approaches have been developed to successfully modify the final particle shape, the ... -
Predicting Silica Deposition from Superheated, Pressurized Steam Using Numerical Modeling of Nucleation, Agglomeration and Deposition
Bordvik, Silje; van Erp, Titus Sebastiaan; Ucar, Seniz; Næss, Erling (Peer reviewed; Journal article, 2023)A model that can be used to quantify silica deposition from superheated depressurized steam is developed. Classical nucleation theory, agglomeration and deposition onto a wall are combined in a numerical model that calculates ... -
Struvite crystallization by using raw seawater: Improving economics and environmental footprint while maintaining phosphorus recovery and product quality
Shaddel, Sina; Grini, Tonje; Ucar, Seniz; Azrague, Kamal; Andreassen, Jens-Petter; Østerhus, Stein Wold (Peer reviewed; Journal article, 2020)Seawater, as an alternative magnesium source, has the potential to improve the overall economics and environmental footprint of struvite production compared to the use of pure magnesium salts. However, the dilution effect ... -
Transformation of brushite to hydroxyapatite and effects of alginate additives
Ucar, Seniz; Bjørnøy, Sindre Hove; Bassett, David; Strand, Berit Løkensgard; Sikorski, Pawel; Andreassen, Jens-Petter (Journal article; Peer reviewed, 2016)Phase transformations are important processes during mineral formation in both in vivo and in vitro model systems and macromolecules are influential in regulating the mineralization processes. Calcium phosphate mineralized ...