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Sökning: WFRF:(ten Brink Ben)

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1.
  • Beal, Jacob, et al. (författare)
  • Robust estimation of bacterial cell count from optical density
  • 2020
  • Ingår i: Communications Biology. - : Springer Science and Business Media LLC. - 2399-3642. ; 3:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Optical density (OD) is widely used to estimate the density of cells in liquid culture, but cannot be compared between instruments without a standardized calibration protocol and is challenging to relate to actual cell count. We address this with an interlaboratory study comparing three simple, low-cost, and highly accessible OD calibration protocols across 244 laboratories, applied to eight strains of constitutive GFP-expressing E. coli. Based on our results, we recommend calibrating OD to estimated cell count using serial dilution of silica microspheres, which produces highly precise calibration (95.5% of residuals <1.2-fold), is easily assessed for quality control, also assesses instrument effective linear range, and can be combined with fluorescence calibration to obtain units of Molecules of Equivalent Fluorescein (MEFL) per cell, allowing direct comparison and data fusion with flow cytometry measurements: in our study, fluorescence per cell measurements showed only a 1.07-fold mean difference between plate reader and flow cytometry data.
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2.
  • Ring, Irene, et al. (författare)
  • Chapter 6: Options for governance and decision-making across scales and sectors
  • 2018
  • Ingår i: IPBES. - Bonn : Secretariat of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem services. - 9783947851089 ; , s. 661-802
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • Within the generic scope of the Regional Assessments of Biodiversity and Ecosystem Services, the key policy‑relevant questions of the Europe and Central Asia Assessment concern options and opportunities with regard to biodiversity and ecosystem services and their role for human well-being. The assessment examines the opportunities for sectoral policies and policy instruments; managing production, consumption and economic development; and ecological infrastructures and ecological technologies. It explores opportunities to promote food security, economic development and equality while avoiding land and aquatic degradation and conserving cultural landscapes.
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3.
  • Ring, Irene, et al. (författare)
  • Options for governance and decision-making across scales and sectors
  • 2018
  • Ingår i: The IPBES regional assessment report on biodiversity and ecosystem services for Europe and Central Asia. - Bonn : Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES). - 9783947851089 ; , s. 661-802
  • Bokkapitel (refereegranskat)
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  • Resultat 1-3 av 3

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