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  • 201.
    Almgren, P
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, TräteknikCentrum , Trätek.
    Tvärkraftsbelastade spikar i ändträ provningsrapport1987Report (Other academic)
    Abstract [sv]

    Provningar för dimensionering av olika konstruktioner kräver tid och omtanke. I dagens byggnorm, SBN 1980, finns inga angivna tillåtna värden för spikar i ändträ, varken när det gäller utdragskraft eller tvärkraft. I praktiken utnyttjas ofta spikar i ändträ för att ta upp tvärkraften. Man vet av erfarenhet att det ger en avsevärd hållfasthet åt förbanden. Ingen riktig dokumentation av hur stor hållkraften är har dock funnits. En inledande studie har nu gjorts av spikars hållkraft i ändträ. Det karakteristiska värdet (ett av hållfasthetsspridningen påverkat fraktilvärde, lägre än medelvärdet) för spik i ändträ visade sig kunna sättas till ca 60 % av motsvarande värde för spik slagen vinkelrätt fibrerna. Värdet kan dock inte anges utan förbehåll innan ytterligare studier gjorts och regler för hur provningen skall utföras utarbetats.

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  • 202.
    Alminger Larsson, Marie
    et al.
    Chalmers University of Technology, Sweden.
    Eklund-Jonsson, Charlotte
    Chalmers University of Technology, Sweden.
    Kidman, Siw
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Langton, Maud
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik. SLU Swedish University of Agricultural Sciences, Sweden.
    Starch Microstructure and Starch Hydrolysis in Barley and Oat Tempe during in Vitro Digestion2012In: Food Digestion, ISSN 1869-1978, E-ISSN 1869-1986, Vol. 3, no 42007, p. 53-62Article in journal (Refereed)
    Abstract [en]

    Various botanical and structural characteristics of starchy foods are considered to modify the rate of starch digestion and the glycaemic responses in humans. The main objective of the study was to examine the impact of fermented barley and oat microstructure on the rate of in vitro starch hydrolysis. A dynamic gastrointestinal model was used to estimate the degree of starch hydrolysis during in vitro digestion of fermented whole grain cereal meals. Light microscopy and confocal laser scanning microscopy were used to study the microstructural changes. In parallel to the in vitro studies, the impact of fermented barley and oats on postprandial plasma glucose responses was evaluated in a human study. Micrographs were taken during in vitro digestion experiments with fermented whole grains and compared with micrographs of boiled barley (undigested). Images showed that most of the oat starch granules were degraded after 120 min of digestion, whereas barley starch granules were less degraded, even after 180 min of digestion. The findings were confirmed by faster starch hydrolysis from the fermented oat meal, measured as maltose generated during in vitro digestion. The area under the curve (AUC) was calculated from the plotted maltose curves of the meals. AUC for barley tempe (266 ± 33) was 40 % of the AUC for oat tempe (663 ± 8) and significantly different (p < 0.007) from AUC oat tempe. The in vitro data closely resembled the AUCs for plasma glucose from the parallel human study. In terms of glucose response, the mean AUC for barley tempe was 46 % of the AUC for oat tempe in the human study. The agreement between the in vitro and in vivo data indicates the potential of the in vitro method as a tool to predict the rate of starch degradation of cereal products.

  • 203. Almstrand, A-C
    et al.
    Ljungström, E
    Lausmaa, J
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, YKI – Ytkemiska institutet.
    Bake, B
    Sjövall, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, YKI – Ytkemiska institutet.
    Olin, A-C
    Airway Monitoring by Collection and Mass Specrometric Analysis of Exhaled Particles2009In: Analytical Chemistry, ISSN 0003-2700, E-ISSN 1520-6882, Vol. 81, no 2, p. 662-668Article in journal (Refereed)
    Abstract [en]

    We describe a new method for simultaneously collecting particles in exhaled air for subsequent chemical analysis and measuring their size distribution. After forced exhalation, particles were counted and collected in spots on silicon wafers with a cascade impactor. Several phospholipids were identified by time-of-flight secondary ion mass spectrometric analysis of the collected spots, suggesting that the particles originated from the lower airways. The amount of particles collected in ten exhalations was sufficient for characterizing the phospholipid composition. The feasibility of the technique in respiratory research is demonstrated by analysis of the phospholipid composition of exhaled particles from healthy controls, patients with asthma, and patients with cystic fibrosis. We believe this technology will be useful for monitoring patients with respiratory disease and has a high potential to detect new biomarkers in exhaled air.

  • 204.
    Alonzo, Ylva
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi.
    Henriksson, Gunilla
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi.
    Rapport från projektet Hästgödsel i kretslopp - Sjuhärad2016Report (Other academic)
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  • 205.
    Alriksson, Björn
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Processum.
    Cavka, Adnan
    Umeå University, Sweden.
    Jönsson, Leif J.
    Umeå University, Sweden.
    Improving the fermentability of enzymatic hydrolysates of lignocellulose through chemical in-situ detoxification with reducing agents2011In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 102, no 2, p. 1254-1263Article in journal (Refereed)
    Abstract [en]

    Inhibitory lignocellulose hydrolysates were treated with the reducing agents dithionite and sulfite to achieve improved fermentability. Addition of these reducing agents (in the concentration range 5.0-17.5mM) to enzymatic hydrolysates of spruce wood or sugarcane bagasse improved processes based on both SHF (simultaneous hydrolysis and fermentation) and SSF (simultaneous saccharification and fermentation). The approach was exemplified in ethanolic fermentations with Saccharomyces cerevisiae and by using hydrolysates with sugar concentrations &gt;100g/L (for SHF) and with 10% dry-matter content (for SSF). In the SHF experiments, treatments with dithionite raised the ethanol productivities of the spruce hydrolysate from 0.2 to 2.5g×L -1×h -1 and of the bagasse hydrolysate from 0.9 to 3.9g×L -1×h -1, values even higher than those of fermentations with reference sugar solutions without inhibitors. Benefits of the approach include that the addition of the reducing agent can be made in-situ directly in the fermentation vessel, that the treatment can be performed at a temperature and pH suitable for fermentation, and that the treatment results in dramatically improved fermentability without degradation of fermentable sugars. The many benefits and the simplicity of the approach offer a new way to achieve more efficient manufacture of fermentation products from lignocellulose hydrolysates. 

  • 206.
    Alriksson, Björn
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Processum.
    Eskilsson, Martin
    Holmen, Sweden.
    Johansson, Emma
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Processum.
    Lapidot, Shaul
    Melodea, Israel.
    Norström, Markus
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Schultz-Eklund, Ola
    Holmen, Sweden .
    Shkedi, Yoram
    Melodea, Israel.
    Svedberg, Anna
    MoRe Research, Sweden.
    Svensson, Stefan
    MoRe Research, Sweden.
    Swerin, Agne
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Europe’s first pilot facility for cellulose nanocrystals (CNC)2016In: Annual Surface and Materials Chemistry Symposium and Materials for tomorrow (ASMCS 2016), 2016Conference paper (Refereed)
  • 207.
    Alriksson, Björn
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Processum.
    Hörnberg, Andreas
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Gudnason, Asgeir Eirikur
    Saebyli Ehf, Iceland.
    Knobloch, Stephen
    Matis, Iceland.
    Arnason, Jon
    Matis, Iceland.
    Johannsson, Ragnar
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Fish feed from wood2014In: Cellulose Chemistry and Technology, ISSN 0576-9787, Vol. 48, p. 843-848Article in journal (Refereed)
    Abstract [en]

    Increased demand of fish in combination with overexploitation of the fish stocks of the oceans has led to an increased production of fish through aquaculture. Today, fishmeal is the main protein source in fish feed for most aquaculture species. However, fishmeal is soon expected to fall short of demand as its production is associated with environmental problems. This shortage must therefore be met by sustainable alternative protein sources. Protein-rich microorganisms (i.e. Single cell protein) is an interesting option as a fishmeal substitute in fish feed which, in addition, can be produced as an important co-product in wood-based biorefineries. In the current study, four different microorganisms were cultivated on five different residual streams from Swedish wood-based biorefineries. Screening experiments were carried out in shake flasks, optimization experiments in benchtop bioreactors, and scale-up experiments were performed in a 50-litre pilot bioreactor. In addition, a demo-scale experiment was carried out in the Swedish Biorefinery Demo Plant. Microbial biomass from the scale-up experiments was collected and used for production of different fish feed formulations which, in turn, were used in feeding trials of the freshwater fish Tilapia. Fishes fed with feed, in which part of the fishmeal had been substituted with Single cell protein, showed similar or better growth than fishes fed with a fishmeal-based control feed.

  • 208.
    Alsbjer, Markus
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Lindahl, Markus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Axell, Monica
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    The potential for increased primary energy efficiensy and reduces CO2 emissions by DHC2011Report (Refereed)
  • 209.
    Alsholm, Maria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Vegetabiliska oljor som hydrauloljor och deras kompatibilitet med polymera material1996Report (Refereed)
  • 210. Althammer, Egbert
    et al.
    Schoitsch, Erwin
    Eriksson, Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Vinter, Jonny
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    The DECOS Concept of Generic Safety Cases - a Step Towards Modular Certification Support2009In: 35th Euromicro Conference on Software Engineering and Advanced applications SEAA. Patras, Greece. 2009-08-27--29, 2009Conference paper (Refereed)
  • 211. Althammer, Egbert
    et al.
    Schoitsch, Erwin
    Eriksson, Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Vinter, Jonny
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Pataticza, Andras
    Csertan, Gy-rgy
    An Open System for Dependable System Validation and Verification Support - The DECOS Generic Test Bench2007Conference paper (Refereed)
  • 212. Althammer, Egbert
    et al.
    Schoitsch, Erwin
    Sonneck, Gerald
    Eriksson, Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Vinter, Jonny
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Modular Certification Support - the DECOS Concept of Generic Safety Cases2008Conference paper (Other academic)
  • 213.
    Altskär, Annika
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Andersson, R.
    Boldizar, A.
    Koch, K.
    Stading, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Rigdahl, M.
    Some effects of processing on the molecular structure and morphology of thermoplastic starch2008In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 71, no 4, p. 591-597Article in journal (Refereed)
    Abstract [en]

    Hydroxypropylated and oxidised potato starch (HONPS) was used together with glycerol and water to produce thermoplastic starch. The amount of glycerol was kept constant at 22 parts by weight per 100 parts of dry starch. The thermoplastic starch was converted into films/sheets using three different processing techniques; casting, compression moulding and film blowing. The last two methods represent typical thermoplastic conversion techniques requiring elevated processing temperatures. By means of size-exclusion chromatography, it was found that compression moulding and film blowing led to some degradation of high-molecular weight amylopectin as well as of high-molecular weight amylose-like molecules. The degradation was significantly less pronounced for the cast films. The morphology of the specimens was quite complex and phase separations on different levels were identified. In the cast films and, to a lesser extent, in the compression-moulded specimens, a fine network structure could be distinguished. Such a structure could however not be ascertained in the film-blown material and this is discussed in terms of the thermo-mechanical treatment of the starch materials. © 2007 Elsevier Ltd. All rights reserved.

  • 214.
    Alvarez-Asencio, Ruben
    et al.
    KTH Royal Institute of Technology, Sweden.
    Sababi, Majid
    KTH Royal Institute of Technology, Sweden.
    Pan, Jinshan
    KTH Royal Institute of Technology, Sweden.
    Ejnermark, Sebastian
    Uddeholms AB, Sweden.
    Ekman, Lars
    Uddeholms AB, Sweden.
    Rutland, Mark W.
    RISE, SP – Sveriges Tekniska Forskningsinstitut. KTH Royal Institute of Technology, Sweden.
    Role of microstructure on corrosion initiation of an experimental tool alloy: A Quantitative Nanomechanical Property Mapping study2014In: Corrosion Science, ISSN 0010-938X, E-ISSN 1879-0496, Vol. 89, p. 236-241Article in journal (Refereed)
    Abstract [en]

    The adhesion properties of a FeCrVN experimental tool alloy immersed in pure water and sodium chloride solution have been studied by Quantitative Nanomechanical Property Mapping to understand the influence of microstructure on corrosion initiation of this alloy. The approach used here allows early observation and identification of pre-pitting events that may lead to passivity breakdown of the alloy. Adhesion provides a good distinction between the different regions and we ascribe this to their vanadium and nitrogen contents. Finally, the prepitting is characterized by generation of small particles in specific regions of the surface with low chromium content.

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  • 215.
    Alvarsson, Jesper J.
    et al.
    Stockholm University, Sweden.
    Nordström, Henrik
    Stockholm University, Sweden.
    Lundén, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Hållbar Samhällsbyggnad, Ljud och vibration.
    Nilsson, Mats E.
    Stockholm University, Sweden.
    Aircraft noise and speech intelligibility in an outdoor living space2014In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 135, no 6, p. 3455-3462Article in journal (Refereed)
    Abstract [en]

    Studies of effects on speech intelligibility from aircraft noise in outdoor places are currently lacking. To explore these effects, first-order ambisonic recordings of aircraft noise were reproduced outdoors in a pergola. The average background level was 47 dB LAeq. Lists of phonetically balanced words (LASmax,word = 54 dB) were reproduced simultaneously with aircraft passage noise (LASmax,noise = 72-84 dB). Twenty individually tested listeners wrote down each presented word while seated in the pergola. The main results were (i) aircraft noise negatively affects speech intelligibility at sound pressure levels that exceed those of the speech sound (signal-to-noise ratio, S/N < 0), and (ii) the simple A-weighted S/N ratio was nearly as good an indicator of speech intelligibility as were two more advanced models, the Speech Intelligibility Index and Glasberg and Moore's [J. Audio Eng. Soc. 53, 906-918 (2005)] partial loudness model. This suggests that any of these indicators is applicable for predicting effects of aircraft noise on speech intelligibility outdoors.

  • 216.
    Amiryarahmadi, Nata
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut. Chalmers University of Technology, Sweden.
    Kropp, Wolfgang
    Chalmers University of Technology, Sweden.
    Larsson, Krister
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Application of LMS algorithm to measure low-frequency transient forces from human walking2016In: Acta Acoustica united with Acustica, ISSN 1610-1928, E-ISSN 1861-9959, Vol. 102, no 1, p. 23-34Article in journal (Refereed)
    Abstract [en]

    Measurement and modeling of low frequency ground reaction forces (GRFs) from human walking have been the subjects of research in different fields from biomechanics to civil engineering and structural dynamics. Many of the existing models are developed based on experiments which alter natural walking by for example presence of force transducers, limitations in the speed and path of walking and replacing the real floor with a transducerfacilitated measurement rig. These alterations result in contact forces which do not represent real GRFs. In this study, a time-domain inverse measurement method based on LMS algorithm is used to measure low-frequency (<100 Hz) forces induced by human footsteps. The LMS-based force identification method is first validated for low-frequency excitations with less complexity in number of excitation positions and frequency content compared with the footsteps. The method is then applied to measure ground reaction forces created by human walking.

  • 217.
    Amiryarahmadi, Nata
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut. Chalmers University of Technology, Sweden.
    Kropp, Wolfgang
    Chalmers University of Technology, Sweden.
    Larsson, Krister
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Identification of low-frequency forces induced by footsteps on lightweight floors2016In: Acta Acoustica united with Acustica, ISSN 1610-1928, E-ISSN 1861-9959, Vol. 102, no 1, p. 45-57Article in journal (Refereed)
    Abstract [en]

    Despite many advantages of wooden buildings, low-frequency noise disturbance, mainly from human footsteps on timber floors, is a major hindrance for widespread application of wood in multi-storey buildings. In many cases the impact noise evaluations of the wooden floors according to ISO 140-7 and ISO 717-2 standards do not correspond to subjective experiences. This study aims to investigate the characteristics of footstep forces to support further studies related to discrepancies between standard evaluations and low-frequency noise disturbances in lightweight buildings. Transient footstep forces in vertical direction made by different walkers and different footwear on two floor structures were measured and compared. The vertical footstep forces were then compared with the impact forces made by a standard tapping machine. Analysis revealed that footstep forces contain large amplitudes at low frequencies (20 < f < 50) which are not included in the standard evaluation procedure. Therefore, by extending the frequency range of the standard measurements down to 20 Hz and designing an accurate adaptation term for evaluations, a better correlation between standard impact noise evaluations and acoustic performance of the lightweight buildings might be achieved.

  • 218.
    Amiryarahmadi, Nata
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Akustik (Eta).
    Wendin, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Mat- och måltidsvanor samt önskningar kring detta2014Report (Refereed)
    Abstract [sv]

    Enkätundersökning bland äldre

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  • 219.
    Amon, Francine
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Objective evaluation of imager performance2011In: Proceedings of the International Conference on Sensing Technology, 2011, , p. 47-52Conference paper (Refereed)
  • 220.
    Amon, Francine
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Thermal Imagers, a powerful Tool for the fire Service2011In: Brandposten, no 44, p. 30-Article in journal (Other (popular science, discussion, etc.))
  • 221.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, skydd (BRs ).
    Andersson, Petra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Karlson, Ingvar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Sahlin, Eskil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Fire risks associated with batteries2012Report (Refereed)
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  • 222.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Appel, Glenn
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Branddynamik.
    Sjöström, Johan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Impact of climate change on forest fire risk in Sweden2014In: Brandposten, no 49, p. 41-Article in journal (Other (popular science, discussion, etc.))
  • 223.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Brandt, Jonas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Branddynamik.
    Effectiveness of Bus Engine Compartment Fire Suppression Systems2013In: Proceedings from Interflam 2013, 13th International Conference and Exhibition on Fire Safety,, 2013, , p. 289-294Conference paper (Refereed)
  • 224.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Gehandler, Jonatan
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Stahl, Selim
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Development of an Environmental and Economic Assessment Tool (Enveco Tool) for Fire Events2016In: Brandposten, no 54, p. 32-32Article in journal (Other academic)
  • 225.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Gehandler, Jonatan
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Stahl, Selim
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Tomida, Mai
    Worcester Polytechnic Institute.
    Meacham, Brian
    Worcester Polytechnic Institute.
    Development of an Environmental and Economic Assessment Tool (Enveco Tool) for Fire Events2016Book (Other academic)
  • 226.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Simonson, Margaret
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Blomqvist, Per
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Fire effluent contaminants, predictive models, and gap analysis2014Report (Refereed)
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  • 227.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Simonson, Margaret
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, skydd (BRs ).
    Blomqvist, Per
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Fire effluent contaminants, predictive models, and gap analysis (EcoTox Project)2014In: Brandposten, no 50, p. 26-27Article in journal (Other (popular science, discussion, etc.))
  • 228.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Sjöström, Johan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Vylund, Lotta
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Branddynamik.
    Fasth, Sabiha
    Climate impact on forest fire risk in Sweden2015In: 14th International Conference Fire and Materials 2015, 2015, , p. 804-817Conference paper (Other academic)
  • 229.
    An, Junxue
    et al.
    KTH Royal Institute of Technology, Sweden.
    Dedinaite, Andra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber. KTH Royal Institute of Technology, Sweden.
    Nilsson, Anki
    Recopharma AB, Sweden.
    Holgersson, Jan
    Sahlgrenska Academy, Sweden.
    Claesson, Per
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Comparison of a brush-with-anchor and a train-of-brushes mucin on poly(methyl methacrylate) surfaces: Adsorption, surface forces, and friction2014In: Biomacromolecules, ISSN 1525-7797, E-ISSN 1526-4602, Vol. 15, no 4, p. 1515-1525Article in journal (Refereed)
    Abstract [en]

    Interfacial properties of two types of mucins have been investigated at the aqueous solution/poly(methyl methacrylate) (PMMA) interface. One is commercially available bovine submaxillary mucin, BSM, which consists of alternating glycosylated and nonglycosylated regions. The other one is a recombinant mucin-type fusion protein, PSGL-1/mIgG2b, consisting of a glycosylated mucin part fused to the Fc part of an immunoglobulin. PSGL-1/mIgG2b is mainly expressed as a dimer upon production. A quartz crystal microbalance with dissipation was used to study the adsorption of the mucins to PMMA surfaces. The mass of the adsorbed mucin layers, including the adsorbed mucin and water trapped in the layer, was found to be significantly higher for PSGL-1/mIgG2b than for BSM. Atomic force microscopy with colloidal probe was employed to study interactions and frictional forces between mucin-coated PMMA surfaces. Purely repulsive forces of steric origin were observed between PSGL-1/mIgG2b mucin layers, whereas a small adhesion was detected between BSM layers and attributed to bridging. Both mucin layers reduced the friction force between PMMA surfaces in aqueous solution. The reduction was, however, significantly more pronounced for PSGL-1/mIgG 2b. The effective friction coefficient between PSGL-1/mIgG 2b-coated PMMA surfaces is as low as 0.02 at low loads, increasing to 0.24 at the highest load explored, 50 nN. In contrast, a friction coefficient of around 0.7 was obtained between BSM-coated PMMA surfaces. The large differences in interfacial properties for the two mucins are discussed in relation to their structural differences.

  • 230.
    An, Junxue
    et al.
    KTH Royal Institute of Technology, Sweden.
    Dedinaite, Andra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber. KTH Royal Institute of Technology, Sweden.
    Winnik, Francoise Martine A.
    University of Montreal, Sweden; National Institute for Materials Science, Japan.
    Qin, Xingping
    University of Montreal, Sweden.
    Claesson, Per
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Temperature-dependent adsorption and adsorption hysteresis of a thermoresponsive diblock copolymer2014In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 30, no 15, p. 4333-4341Article in journal (Refereed)
    Abstract [en]

    A nonionic-cationic diblock copolymer, poly(2-isopropyl-2-oxazoline) 60-b-poly((3-acrylamidopropyl)trimethylammonium chloride) 17, (PIPOZ60-b-PAMPTMA17), was utilized to electrostatically tether temperature-responsive PIPOZ chains to silica surfaces by physisorption. The effects of polymer concentration, pH, and temperature on adsorption were investigated using quartz crystal microbalance with dissipation monitoring and ellipsometry. The combination of these two techniques allows thorough characterization of the adsorbed layer in terms of surface excess, thickness, and water content. The high affinity of the cationic PAMPTMA 17 block to the negatively charged silica surface gives rise to a high affinity adsorption isotherm, leading to (nearly) irreversible adsorption with respect to dilution. An increase in solution pH lowers the affinity of PIPOZ to silica but enhances the adsorption of the cationic block due to increasing silica surface charge density, which leads to higher adsorption of the cationic diblock copolymer. Higher surface excess is also achieved at higher temperatures due to the worsening of the solvent quality of water for the PIPOZ block. Interestingly, a large hysteresis in adsorbed mass and other layer properties was observed when the temperature was cycled from 25 to 45 °C and then back to 25 °C. Possible causes for this temperature hysteresis are discussed.

  • 231.
    An, Junxue
    et al.
    KTH Royal Institute of Technology, Sweden.
    Liu, Xiaoyan
    KTH Royal Institute of Technology, Sweden.
    Linse, Per
    Lund University, Sweden.
    Dedinaite, Andra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber. KTH Royal Institute of Technology, Sweden.
    Winnik, Françoise M.
    University of Montreal, Canada; National Institute for Materials Science, Japan.
    Claesson, Per M.
    RISE, SP – Sveriges Tekniska Forskningsinstitut. KTH Royal Institute of Technology, Sweden.
    Tethered Poly(2-isopropyl-2-oxazoline) Chains: Temperature Effects on Layer Structure and Interactions Probed by AFM Experiments and Modeling2015In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 31, no 10, p. 3039-3048Article in journal (Refereed)
    Abstract [en]

    Thermoresponsive polymer layers on silica surfaces have been obtained by utilizing electrostatically driven adsorption of a cationic–nonionic diblock copolymer. The cationic block provides strong anchoring to the surface for the nonionic block of poly(2-isopropyl-2-oxazoline), referred to as PIPOZ. The PIPOZ chain interacts favorably with water at low temperatures, but above 46 °C aqueous solutions of PIPOZ phase separate as water becomes a poor solvent for the polymer. We explore how a change in solvent condition affects interactions between such adsorbed layers and report temperature effects on both normal forces and friction forces. To gain further insight, we utilize self-consistent lattice mean-field theory to follow how changes in temperature affect the polymer segment density distributions and to calculate surface force curves. We find that with worsening of the solvent condition an attraction develops between the adsorbed PIPOZ layers, and this observation is in good agreement with predictions of the mean-field theory. The modeling also demonstrates that the segment density profile and the degree of chain interpenetration under a given load between two PIPOZ-coated surfaces rise significantly with increasing temperature.

  • 232.
    Andalen, Anders
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Ewertson, Cathrine
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Comparison of Nordic methods for determination of the compressive strength of high-strength concrete. Nordtest project 975-91.1995Report (Refereed)
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  • 233.
    Andalen, Anders
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Lupin, Tang
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Ohlsson, Göran
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Application of the strain-cylinder test for calibration of compression test machines1998Report (Refereed)
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  • 234.
    Andersdotter, Maria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Brikettering och torkning av energigräs1984Report (Refereed)
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  • 235. Andersdotter, Maria
    et al.
    Danfors, Birger
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Brytning av frästorv med jordbruksredskap1984Report (Refereed)
  • 236.
    Andersen, Sören M.
    et al.
    Novo Nordisk A/S, Denmark.
    Bollmark, Martin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Process Development, Substans och formulering.
    Berg, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Process Development, Katalys.
    Fredriksson, Christofer
    Global Medicines Development, Sweden.
    Karlsson, Staffan
    AstraZeneca, Sweden.
    Liljeholm, Catarina
    Global Medicines Development, Sweden.
    Sörensen, Toft Henrik
    AstraZeneca, Sweden.
    A scalable route to 5-substituted 3-isoxazolol fibrinolysis inhibitor AZD65642014In: Organic Process Research & Development, ISSN 1083-6160, E-ISSN 1520-586X, Vol. 18, no 8, p. 952-959Article in journal (Refereed)
    Abstract [en]

    A practical and chromatography-free multikilogram synthesis of a 3-isoxazolol containing antifibrinolytic agent, AZD6564, has been developed in eight steps and 7% overall yield starting from methyl 2-chloroisonicotinate. Highlights in the synthesis are a Negishi coupling and an enzymatic resolution of a racemic ester. 

  • 237.
    Anderson, Christoffer
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Lundin, Gunnar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Andersson, Fredrik
    Rensning på gårdsnivå kan öka spannmålens värde, SLA2004Report (Refereed)
  • 238.
    Anderson, Johan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    SmartBatt simulations of fire performance2013In: Brandposten, no 48, p. 21-Article in journal (Other (popular science, discussion, etc.))
  • 239.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Boström, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Internationell konferens om brandsäkerhet hos fasader2016In: Brandposten, no 54, p. 5-5Article in journal (Other academic)
  • 240.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Boström, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Jansson Mcnamee, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Milovanović, Bojan
    University of Zagreb, Croatia.
    Uncertainties in façade fire tests - Measurements and modeling2016In: MATEC Web of Conferences, 2016, article id 03002Conference paper (Refereed)
    Abstract [en]

    In this paper a comparison between test and modelling results are performed for two large-scale façade fire testing methods, namely SP Fire 105 and BS 8414-1. In order to be able to compare tests and modelling the uncertainties have to be quantified both in the test and the modelling. Here we present a methodology based on deterministic sampling to quantify uncertainties in the modelling input. We find, in general good agreement between the models and the test results. Moreover, temperatures estimated by plate thermometers is indicated to be less sensitive to small variations in model input and is thus suitable for these kind of comparisons.

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  • 241.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Boström, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Milovanovic, Bojan
    University of Zagreb, Croatia.
    Experimental assessment of repeatability in facade fire testing2016In: Interflam 2016: Conference Proceedings, 2016, p. 653-658Conference paper (Other academic)
  • 242.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Boström, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Milovanovic, Bojan
    University of Zagreb, Croatia.
    Modeling of fire exposure in facade fire testing2016In: Interflam 2016: Conference Proceedings, 2016, p. 1115-1126Conference paper (Other academic)
  • 243.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Boström, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Milovanović, Bojan
    University of Zagreb, Croatia.
    Fire dynamics in Façade fire tests: Measurement, modeling and repeatability2015In: Applications of Structural Fire Engineering, Czech Technical University in Prague , 2015Conference paper (Refereed)
    Abstract [en]

    Presented is a comparison between full-scale façade tests where SP Fire 105 and BS 8414-1 were used regarding repeatability and the use of modelling to discern changes in the set-ups. Results show that the air movements around the test set-up (the wind) may have a significant impact on the tests and that the heat exposure to the façade surface will among other depend on the thickness of the test specimen. Also demonstrated was that good results could be obtained by modelling of the façade fire tests giving us the opportunity to use these methods to determine the effect of a change in the experimental setup.

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  • 244.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd. RISE Research Institutes of Sweden.
    Façade fire tests: Measurements and modeling2013In: 1st International Seminar for Fire Safety of Facades, FSF 2013, 2013, Vol. 9, p. 2003article id 02003Conference paper (Refereed)
    Abstract [en]

    In two recent papers [1, 2] the fire dynamics in a test rig for façade constructions according to the test method SP Brand 105 [3, 4] was investigated both experimentally and numerically. The experimental setup simulates a three-story apartment building (height 6.7m, width 4m and depth 1.6m), with external wall-cladding and a "room fire" at the base. The numerical model was developed in the CFD program Fire Dynamics Simulator (FDS) [5] with analogous geometry and instrumentation. The general features of the fire test were well reproduced in the numerical model however temperatures close to the fire source could not be properly accounted for in the model. In this paper the bi-directional probe measurements are elaborated on and the test used in Ref. [1] is revisited using different heat release rates in the numerical model. The velocity of the hot gases along the façade was well reproduced by the simulations although some deviations were found.

  • 245.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Fire dynamics in facade fire tests: Measurements and modelling2013Conference paper (Refereed)
  • 246.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Lange, David
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Boström, Lars
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Applying uncertainty quantification in modelling of a steel beam exposed to fire2016In: Structures in Fire: Proceedings of the Ninth International Conference, 2016, p. 925-932Conference paper (Other academic)
    Abstract [en]

    Modelling of structures exposed to fires is prone to be heavily influenced by uncertainties in geometrical parameters, thermal material data as well as uncertainties in the boundary conditions. Assessing the effects and influences in variations of all the uncertain parameters is often cumbersome and traditional methods are impractical thus modelling of the total uncertainty is needed. Uncertainty Quantification with deterministic sampling is one possible way ahead to accommodate and evaluating the effects of uncertainties with as few repeated simulations as possible. In this paper the uncertainties stemming from error in the input data and boundary conditions on one example of a steel beam under four point bending exposed to fire is evaluated.

  • 247.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Lange, David
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Lönnermark, Anders
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Modelling in WFDS of a Wildfire Scenario2016In: Book of Abstracts Nordic Fire & Safety Days 2016, 2016, p. 33-33Conference paper (Other academic)
  • 248.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Larsson, Fredrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik.
    Andersson, Petra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Mellander, Bengt-Erik
    Fire Spread due to Thermal Runaway in a Lithium-ion Battery Cell2014In: Proceedings from 3rd International Conference on Fire in Vehicles - FIVE 2014, 2014, , p. 267-270Conference paper (Other academic)
  • 249.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Larsson, Fredrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik.
    Andersson, Petra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Mellander, Bengt-Erik
    Thermal modeling of fire propagation in lithium-ion batteries2015In: 24th International Technical Conference on the Enhanced Safety of Vehicles (ESV), 2015, , p. 15-0073Conference paper (Other academic)
  • 250.
    Anderson, Johan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Sjöström, Johan
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Andersson, Petra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Amon, Francine
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Albrektsson, Joakim
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Experimental and Numerical Characterization of an Electrically Propelled Vehicles Battery Casing Including Battery Module2014In: Journal of Thermal Science and Engineering Applications, Vol. 6, no 4, article id 041015Article in journal (Refereed)
    Abstract [en]

    This paper demonstrates the possibility to predict a battery system's performance in a fire resistance test according to the new amendment of United Nations Regulation No. 100 "Uniform Provisions Concerning the Approval of Vehicles with Regard to Specific Requirements for the Electric Power Train" (R100) based on careful measurements of the physical properties of the casing material, as well as modeling of the battery modules and computer simulations. The methodology of the work consists of estimating the heat transfer coefficients by using a gasoline pool fire model in the computational fluid dynamics (CFD) software FIRE DYNAMICS SIMULATOR (FDS), followed by finite-element (FE) calculations of the temperatures in the battery.

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