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  • 1.
    Berglund, Per
    et al.
    KTH, School of Biotechnology (BIO), Biochemistry (closed 20130101).
    Högfeldt, Anna-Karin
    KTH, School of Education and Communication in Engineering Science (ECE), Learning.
    Karlsson, Sara
    KTH.
    Klasén, Ida
    KTH, School of Education and Communication in Engineering Science (ECE).
    Sandberg, Teresia
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Utvärdering för utveckling: KTH:s samtliga utbildningar under belysning2011Conference paper (Other academic)
  • 2.
    Dedic, Dina
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Iversen, Tommy
    Sandberg, Teresia
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Ek, Monica
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Chemical analysis of wood extractives and lignin in the oak wood of the 380 year old Swedish warship Vasa2011Conference paper (Refereed)
    Abstract [en]

    In order to map the source of oxalic acid in the interior wood of the Vasa ship, an analysis of wood extractives (tannins) was conducted. Samples used for analysis were PEG-impregnated dry Vasa wood, waterlogged Vasa wood and a reference material (fresh oak). The wood material was ground and extracted with an acetone/water-mixture. In the reference sample, several types of tannins were found such as the isomers castalagin/vescalagin and grandinin and their dimmers roburin A/D and roburin B/C respectively. The results have been confirmed by NMR spectroscopy and MALDI-TOF. The interior of the waterlogged Vasa wood contained small amounts of monomers, whereas the dry, PEG treated Vasa revealed no discernible amounts of hydrolysable tannins or other easily soluble compounds. Furthermore, an analysis of lignin was made by means of chemical degradation (thioacidolysis). A decrease in the amount of β-O-4 bonds in the lignin structure would imply a formation of easily oxidized free phenolics. The products were analyzed by GC-MS, which revealed no dramatic differences between the Vasa samples and the reference. The results were confirmed by CP/MAS NMR by analyzing the differences in the aromatic region (150∼160 ppm) as well as the carbonyl region (190∼200 ppm).

  • 3.
    Dedic, Dina
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Sandberg, Teresia
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Iversen, Tommy
    KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.
    Larsson, Tomas
    Ek, Monica
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Analysis of lignin and extractives in the oak wood of the 17th century warship Vasa2014In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 68, no 4, p. 419-425Article in journal (Refereed)
    Abstract [en]

    The wood in the 17th century Swedish warship Vasa is weak. A depolymerization of the wood's cellulose has been linked to the weakening, but the chemical mechanisms are yet unclear. The objective of this study was to analyze the lignin and tannin moieties of the wood to clarify whether the depolymerization of cellulose via ongoing oxidative mechanisms is indeed the main reason for weakening the wood in the Vasa. Lignin was analyzed by solid-state nuclear magnetic resonance [cross-polarization/magic-angle spinning (CP/MAS) C-13 NMR] and by means of wet chemical degradation (thioacidolysis) followed by gas chromatography-mass spectrometry (GC-MS) of the products. No differences could be observed between the Vasa samples and the reference samples that could have been ascribed to extensive lignin degradation. Wood extracts (tannins) were analyzed by matrix- assisted laser desorption ionization (MALDI) combined with time-of-flight (TOF) MS and C-13 NMR spectroscopy. The wood of the Vasa contained no discernible amounts of tannins, whereas still-waterlogged Vasa wood contained ellagic acid and traces of castalagin/vescalagin and grandinin. The results indicate that the condition of lignin in the Vasa wood is similar to fresh oak and that potentially harmful tannins are not present in high amounts. Thus, oxidative degradation mechanisms are not supported as a primary route to cellulose depolymerization.

  • 4.
    Dedic, Dina
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Sandberg, Teresia
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Iversen, Tommy
    KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.
    Larsson, Tomas
    Ek, Monica
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
    Analysisof lignin and extractives in the oak wood of the 17th century warship Vasa2011Manuscript (preprint) (Other (popular science, discussion, etc.))
  • 5.
    Finnveden, Göran
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
    Egan, Erica-Dawn
    KTH.
    Sandberg, Teresia
    KTH.
    Strömberg, Emma
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    A Holistic Approach for Integration of Sustainable Development in Education, Research, Collaboration and Operations2017In: Handbook of Theory and Practice of Sustainable Development in Higher Education / [ed] Leal Filho, W. et al, Springer, 2017, p. 287-303Chapter in book (Refereed)
    Abstract [en]

    In 2011 KTH Royal Institute of Technology started several new sustainable development initiatives. This paper will report on the journey. An Environmental Management System for the entire university has been established and KTH became ISO 14001 certified during 2015. The system includes operations but also education, research and collaboration. In this way we ensure that sustainability goals are integrated in the management system and that improvements are required continuously. For education an aim is that all educational programs should be able to report how they have integrated sustainability. The activities are focused on two complementary approaches: evaluation of the program’s work and providing tools and support for teaching staff and program directors. Preliminary results from the on-going evaluation indicate that progress has been made in several programs, but there is still room for improvements. For research, several bibliometric and external funding indicators show progress. During the winter of 2015 an evaluation was conducted and based on this it was decided that the activities should continue. A new policy for sustainable development as well as new sustainable development goals were decided during 2015.

  • 6.
    Limén, Helene
    et al.
    KTH.
    Sandberg, Teresia
    KTH.
    Finnveden, Göran
    KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
    Westin, Birgitta
    KTH.
    ISCN-GULF Sustainable Campus Charter Report 20122012Report (Other (popular science, discussion, etc.))
  • 7.
    Limén, Helene
    et al.
    KTH.
    Sandberg, Teresia
    KTH.
    Finnveden, Göran
    KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
    Westin, Birgitta
    KTH.
    ISCN-GULF Sustainable Campus Charter Report 20132014Report (Other (popular science, discussion, etc.))
  • 8.
    Sandberg, Teresia
    et al.
    KTH.
    Häckner, Lina
    KTH.
    Finnveden, Göran
    KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
    Westin, Birgitta
    KTH.
    ISCN-GULF Sustainable Campus Charter Report 20142015Report (Other (popular science, discussion, etc.))
    Abstract [en]

    This report describes KTH Royal Institute of Technology’s work with the environment andsustainability during 2014. The report has been compiled for the International SustainableCampus Network (ISCN) and is based on ISCN’s three principles encompassing individual buildings, campus-wide planning and target setting, and integration of research, teaching, outreach and facilities for sustainability. KTH Royal Institute of Technology, founded in 1827, is the largest and oldest technical university in Sweden. KTH has nearly 12,500 full time undergraduatestudents, 1,900 active postgraduate students and just over 5,100 employees spread over five campus areas around Stockholm, with premises and facilities totalling 264,000 sq. m. KTH’s Vision 2027 outlines the long-term strategy including the overall objective that KTH will be one of Europe’s leading technical universities within sustainable development and the campus environments should be embodiments of bold, sustainable urban design. The Strategic Plan and accompanying action plan outlines how to fulfil this vision. During 2014 many important steps have been taken to improve our work with the environmentand sustainability. For example KTH and its landlord Akademiska Hus have developed a strategic Campus Plan, for KTH to ensure a sustainable development of campus. An environmental management system has also been implemented in the whole organisation, and it will be certified according to ISO 14001 in spring 2015. In relation to ISCN’s first principle Sustainability Performance of Buildings on Campus KTH has established environmental objectives within the areas of buildings, energy, goods and services, chemical products, and waste. Examples of activities during 2014 are: certification of two buildings according to the Swedish certification system “Miljöbyggnad”, a survey of roof space on Campus suitable for placement of solar panels, installation of a new heat pump system for central heat recovery and cooling, in-depth chemical audits, educational courses for employees related to chemicals and the launch of GreenCup (thermos cup) to reduce waste.In relation to ISCN’s second principle Campus-wide Master Planning and Target Setting KTH has several detailed objectives for example related to resource management, ecology, transportation and innovation. Examples of activities undertaken 2014 include: new guidelines and instructions for business travel including environmental requirements, a solarpowered charging station for electric cars at campus, campus tree inventory and resulting tree program, and completion of a new student housing building. In relation to ISCN’s third principle Integration of Facilities, Research and Education, KTH has established environmental objectives within the areas of research, education and collaboration. Examples of activities during 2014 include: development of indicators to measure KTH’s performance in education, research and collaboration with regard to environment and sustainable development, development of sustainability course modules, development of a web based environmental training course for employees, distribution of newsletters targeting different groups, transdisciplinary projects and development of new doctoral courses have received financial support, seminars and network meetings encouraging networking between researchers, teachers and students, and Memorandums of Understanding with two research institutes and the main landlord have been endorsed. Results show that the numbers of courses tagged under environment and sustainability have increased, external funding from research councils supporting research in the sustainability field has increased, and KTH’s placement in international rankings has risen.

  • 9.
    Sandberg, Teresia
    et al.
    KTH.
    Svanblom, Leif
    KTH.
    Finnveden, Göran
    KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
    Sundqvist, Johan
    KTH.
    ISCN-GULF Sustainable Campus Charter Report 20112012Report (Other (popular science, discussion, etc.))
  • 10.
    Strömberg, Emma
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Sandberg, Teresia
    KTH.
    Egan, Erica-Dawn
    KTH.
    Finnveden, Göran
    KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).
    Integration of Sustainable Development in Education – Motivating a Change2016In: Proceedings, 2016Conference paper (Refereed)
1 - 10 of 10
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