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A reduced order dynamic model for an activated sludge process performing carbonaceous removal, nitrification, and denitrification is proposed. Based on directly measurable real time data - by methods available today - all model parameters are identified on-line. A simplified extended Kalman filter is used for the actual identification. Verification of the results is based on computer simulations o
This thesis treats two separate but connected themes. This affiliation originates in optimization being the common choice of method for solving most of the occurring challenges. The first theme of the thesis is image segmentation. This is usually defined as the task of distinguishing objects from background in unseen images. This visual grouping process is typically based on low-level cues suc
While concurring with the new streams of literature in geography that highlight the importance of face-to-face and buzz in the globalizing learning economy, the article argues that this literature is misleading on three interrelated accounts. Firstly, it conflates face-to-face and buzz; secondly, it fails to distinguish between the importance of face-to-face and buzz for industries drawing on diff
Successful tissue engineering with the aid of a polymer scaffold offers the possibility to produce a larger construct and to mould the shape after the defect. We investigated the use of cryogelation to form protein-based scaffolds through different types of formation mechanisms; enzymatic crosslinking, chemical crosslinking, and non-covalent interactions. Casein was found to best suited for enzyma
Discusses how a series of artefacts became important for cultural processes in a Swedish IT company during a turbulent period in business - a period that was known as "the new economy".
Bolin K, Berggren F, Forsgren L. Lacosamide as treatment of epileptic seizures - cost utility results for Sweden. Acta Neurol Scand: DOI: 10.1111/j.1600-0404.2009.01320.x. (c) 2010 The Authors Journal compilation (c) 2010 Blackwell Munksgaard. Objectives - To calculate cost per additional quality-adjusted life-year (QALY) for lacosamide as adjunctive treatment for patients with uncontrolled partia
Under en sexmånaders period beslutade Försäkringskassan i fem län att avslå eller dra in sjukpenningen helt eller delvis i 538 ärenden. De försäkrade bedömdes inte vara arbetsoförmögna till följd av sjukdom. I den här undersökningen visas att risken för negativt beslut varierar kraftigt för olika diagnoser och att det är vissa typer av sjukdom och ohälsa som fastnar i den skärpta gränskontrollen.
Volcanic eruptions contribute to climate variability, but quantifying these contributions has been limited by inconsistencies in the timing of atmospheric volcanic aerosol loading determined from ice cores and subsequent cooling from climate proxies such as tree rings. Here we resolve these inconsistencies and show that large eruptions in the tropics and high latitudes were primary drivers of inte
To evaluate the use of activated protein C-protein C inhibitor (APC-PCI) complex levels for detection of abdominal aortic aneurysm (AAA) in patients with peripheral atherosclerotic disease (PAD). APC-PCI levels and aortic diameter evaluated in 511 PAD patients without previously known AAA followed-up concerning survival for 4.8(0.5) years. AAA was found in 13 % of patients. Aortic diameter correla
During translation, mRNA molecules are incidentally damaged, leaving the ribosome unable to reach or recognize the stop codon and thus stalled with mRNA and a potentially harmful polypeptide product attached to tRNA in the ribosomal P-site. In bacteria, a process called trans-translation has evolved, where a protein-RNA complex (smpB-tmRNA) mimicks the role of aminoacyl charged tRNA in the ribosom
The assumption that voters systematically defend the welfare state is challenged by recent research showing that parties are on average not punished and sometimes even rewarded for welfare state retrenchment. We work to understand better the micro-foundations for this finding of non-punishment by exploring individuals’ preferences over social policy. In particular, we distinguish general support f
Protein biomarker discovery and validation in current omics era are vital for healthcare professionals to improve diagnosis, detect cancers at an early stage, identify the likelihood of cancer recurrence, stratify stages with differential survival outcomes, and monitor therapeutic responses. The success of such biomarkers would have a huge impact on how we improve the diagnosis and treatment of pa
A plant bioreactor has enormous capability as a system that supports many biological activities, that is, production of plant bodies, virus-like particles (VLPs), and vaccines. Foreign gene expression is an efficient mechanism for getting protein vaccines against different human viral and nonviral diseases. Plants make it easy to deal with safe, inexpensive, and provide trouble-free storage. The b
The oxygen-atom transfer reaction catalyzed by the mononuclear molybdenum enzyme dimethyl sulfoxide reductase (DMSOR) has attracted considerable attention through both experimental and theoretical studies. We show here that this reaction is more sensitive to details of quantum mechanical calculations than what has previously been appreciated Basis sets of at least triple-zeta quality are needed to
