Selaus julkaisuajan mukaan kokoelmassa 116 Kemia

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    • Modelling of potentiometric ion sensors 

      Jasielec, Jerzy (Åbo Akademi - Åbo Akademi University, 30.09.2013)
      Potentiometric ion sensors are a very important subgroup of electrochemical sensors, very attractive for practical applications due to their small size, portability, low-energy consumption, relatively low cost and not ...

    • Modeling of fireside deposit formation in two industrial furnaces 

      Li, Bingzhi
      Report / Åbo Akademi, Process Chemistry Centre : 13-03 (Åbo Akademi University, Process Chemistry Centre, 05.12.2013)
      Fireside deposits can be found in many types of utility and industrial furnaces. The deposits in furnaces are problematic because they can reduce heat transfer, block gas paths and cause corrosion. To tackle these problems, ...

    • Characterisation of waste for combustion : with special reference to the role of zinc 

      Jones, Frida
      Report / Åbo Akademi, Process Chemistry Centre : 13-04 (Åbo Akademi University, Process Chemistry Centre, 11.12.2013)
      Waste combustion has gone from being a volume reducing discarding-method to an energy recovery process for unwanted material that cannot be reused or recycled. Different fractions of waste are used as fuel today, such as; ...

    • The role of potassium in the corrosion of superheater materials in boilers firing biomass 

      Lehmusto, Juho
      Report / Åbo Akademi, Process Chemistry Centre : 13-02 (Åbo Akademi University, Process Chemistry Centre, 13.12.2013)
      Inhibition of global warming has become one of the major goals for the coming decades. A key strategy is to replace fossil fuels with more sustainable fuels, which has generated growing interest in the use of waste-derived ...

    • Synthesis, characterization and chemical sensor application of conducting polymers 

      Wagner, Michal (Åbo Akademi - Åbo Akademi University, 18.12.2013)
      Polymeric materials that conduct electricity are highly interesting for fundamental studies and beneficial for modern applications in e.g. solar cells, organic field effect transistors (OFETs) as well as in chemical and ...

    • Fate of fuel-bound nitrogen and sulfur in biomass-fired Industrial boilers 

      Vainio, Emil
      Report / Åbo Akademi, Process Chemistry Centre : 14-01 (Åbo Akademi University, Process Chemistry Centre, 14.02.2014)

    • Printed platforms for paper-based analytical applications 

      Määttänen, Anni (Åbo Akademi - Åbo Akademi University, 17.10.2014)
      Paper-based analytical technologies enable quantitative and rapid analysis of analytes from various application areas including healthcare, environmental monitoring and food safety. Because paper is a planar, flexible and ...

    • Solid-state reference and ion-selective electrodes : towards portable potentiometric sensing 

      Vanamo, Ulriika (Åbo Akademi - Åbo Akademi University, 08.05.2015)
      Potentiometric sensors are very attractive tools for chemical analysis because of their simplicity, low power consumption and low cost. They are extensively used in clinical diagnostics and in environmental monitoring. ...

    • Iron(III) as Lewis acid catalyst in organosilicon and carbonyl chemistry 

      Savela, Risto (Åbo Akademi - Åbo Akademi University, 29.05.2015)
      Iron is one of the most common elements in the earth’s crust and thus its availability and economic viability far exceed that of metals commonly used in catalysis. Also the toxicity of iron is miniscule, compared to the ...

    • Development and characterization of thin printed films for gas sensing applications 

      Sarfraz, Jawad (Åbo Akademi - Åbo Akademi University, 28.08.2015)
      The monitoring and control of hydrogen sulfide (H2S) level is of great interest for a wide range of application areas including food quality control, defense and antiterrorist applications and air quality monitoring e.g. ...

    • Bio and chemocatalysis for stereo and regioselective one-pot reaction applications 

      Långvik, Otto (Åbo Akademi - Åbo Akademi University, 10.10.2015)
      The development of cost efficient, selective and sustainable chemical processes for production of chiral building blocks is of great importance in synthetic and industrial organic chemistry. One way to reach these objectives ...

    • The feasibility of torrefaction for the co-firing of wood in pulverised-fuel boilers 

      Agar, David A.
      Åbo Akademi, Faculty of Science and Engineering, Johan Gadolin Process Chemistry Centre : 15-01 (Åbo Akademi University, Johan Gadolin Process Chemistry Centre, 11.12.2015)
      Torrefaction is the partial pyrolysis of wood characterised by thermal degradation of predominantly hemicellulose under inert atmosphere. Torrefaction can be likened to coffee roasting but with wood in place of beans. This ...

    • Chemical changes in biomass during torrefaction 

      Shoulaifar, Tooran Khazraie
      Åbo Akademi, Faculty of Science and Engineering, Johan Gadolin Process Chemistry Centre : 16-01 (Åbo Akademi University, Johan Gadolin Process Chemistry Centre, 22.01.2016)
      Torrefaction is moderate thermal treatment (~200-300 °C) of biomass in an inert atmosphere. The torrefied fuel offers advantages to traditional biomass, such as higher heating value, reduced hydrophilic nature, increased ...

    • Modelling the chemistry of metal cations in pulp and papermaking processes 

      Sundquist, Anna (Åbo Akademi - Åbo Akademi University, 10.11.2016)
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    • Protein adsorption and cell adhesion to nanostructured paper coatings 

      Juvonen, Helka (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 ...

    • Synthetic modifications of the natural lignan hydroxymatairesinol towards ligands for asymmetric catalysis 

      Brusentsev, Yury (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. ...

    • Chemical engineering of surface coatings for natural stones 

      Kronlund, Dennis (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 ...

    • Application of Hydrophobic Solid Contacts in Ion-Selective Electrodes 

      He, Ning (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 ...

    • Multivalency in Carbohydrate Chemistry : From Oligosaccharides to Oligovalency and Beyond 

      Rahkila, Jani (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 ...

    • Development and application of plasmonic materials for dye- and polymer-sensitized solar cells 

      Törngren, Björn (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 ...