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  1. Protocol

    Fluorescence Microscopy of Nanochannel-Confined DNA

    Stretching of DNA in nanoscale confinement allows for several important studies. The genetic contents of the DNA can be visualized on the single DNA molecule level, and the polymer physics of confined DNA and ...

    Sriram KK, Fredrik Persson, Joachim Fritzsche, Jason P. Beech in Single Molecule Analysis (2024)

  2. Article

    Open Access

    Imaging single DNA molecules for high precision NIPT

    Cell-free DNA analysis is becoming adopted for first line aneuploidy screening, however for most healthcare programs, cost and workflow complexity is limiting adoption of the test. We report a novel cost effec...

    Fredrik Dahl, Olle Ericsson, Olof Karlberg, Filip Karlsson in Scientific Reports (2018)

  3. No Access

    Protocol

    Fluorescence Microscopy of Nanochannel-Confined DNA

    Stretching of DNA in nanoscale confinement allows for several important studies. The genetic contents of the DNA can be visualized on the single DNA molecule level and both the polymer physics of confined DNA ...

    Fredrik Westerlund, Fredrik Persson, Joachim Fritzsche in Single Molecule Analysis (2018)

  4. No Access

    Article

    Direct measurement of transcription factor dissociation excludes a simple operator occupancy model for gene regulation

    Johan Elf and colleagues developed a single-molecule chase assay to measure the time a single transcription factor is bound at a specific chromosomal operator site, which they use to examine the dynamics of bi...

    Petter Hammar, Mats Walldén, David Fange, Fredrik Persson in Nature Genetics (2014)

  5. No Access

    Article

    Extracting intracellular diffusive states and transition rates from single-molecule tracking data

    We provide an analytical tool based on a variational Bayesian treatment of hidden Markov models to combine the information from thousands of short single-molecule trajectories of intracellularly diffusing prot...

    Fredrik Persson, Martin Lindén, Cecilia Unoson, Johan Elf in Nature Methods (2013)

  6. No Access

    Protocol

    Fluorescence Microscopy of Nanochannel-Confined DNA

    Stretching of DNA in nanoscale confinement allows for direct visualization of the genetic contents of the DNA on the single DNA molecule level. DNA stretched in nanoscale confinement also allows for studies of...

    Fredrik Persson, Fredrik Westerlund, Jonas O. Tegenfeldt in Single Molecule Analysis (2011)

  7. Chapter and Conference Paper

    Construction Logistics Improvements Using the SCOR Model – Tornet Case

    The cost for house production is rising in Sweden. Compared with other consumer goods, the cost for houses have had a steeper increase over the last decades. Initiatives such as Lean Construction and Prefabric...

    Fredrik Persson, Jonas Bengtsson in Advances in Production Management Systems.… (2010)

  8. Chapter and Conference Paper

    Using Simulation-Generated Operating Characteristics Curves for Manufacturing Improvement

    Improving manufacturing operations is an initiative that all manufacturing firms need to engage in to stay competitive. The needs and ways to improve differ between companies. A thorough understanding of the o...

    Jan Olhager, Fredrik Persson in Lean Business Systems and Beyond (2008)

  9. No Access

    Book and Conference Proceedings

    Advances in Production Management Systems

    International IFIP TC 5, WG 5.7 Conference on Advances in Production Management Systems (APMS 2007), September 17–19, Linkö**, Sweden

    Jan Olhager, Fredrik Persson in IFIP — The International Federation for Information Processing (2007)

  10. Chapter and Conference Paper

    Managing the After Sales Logistic Network— A Simulation Study of a Spare Parts Supply Chain

    The after-sales services and in particular the spare parts business have acquired, in recent years, a strategic role for firms manufacturing durable or capital goods, as they represent a source of revenue, pro...

    Fredrik Persson, Nicola Saccani in Advances in Production Management Systems (2007)

  11. Chapter and Conference Paper

    Designing Manufacturing Networks — An Empirical Study

    The design of the manufacturing network for a firm is an important factor for its competitive position. By manufacturing network we mean the plant or plants of the manufacturing firm and the relationships with...

    Andreas Feldmann, Jan Olhager, Fredrik Persson in Advances in Production Management Systems (2007)

  12. No Access

    Chapter

    Screening for the Important Factors in Large Discrete-Event Simulation Models: Sequential Bifurcation and Its Applications

    Screening in simulation experiments to find the most important factors, from a very large number of factors, is discussed. The method of sequential bifurcation in the presence of random noise is described and ...

    Jack P. C. Kleijnen, Bert Bettonvil, Fredrik Persson in Screening (2006)

  13. Article

    Open Access

    Triangular Newton Equations with Maximal Number of Integrals of Motion

    We study two-dimensional triangular systems of Newton equations (acceleration = velocity-independent force) admitting three functionally independent quadratic integrals of motion. The main idea is to exploit t...

    Fredrik Persson, Stefan Rauch-Wojciechowski in Journal of Nonlinear Mathematical Physics (2005)