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1.	Beal, Jacob, et al. (author) Robust estimation of bacterial cell count from optical density 2020 In: Communications Biology. - : Springer Science and Business Media LLC. - 2399-3642. ; 3:1 Journal article (peer-reviewed)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.
2.	Klionsky, Daniel J, et al. (author) Guidelines for the use and interpretation of assays for monitoring autophagy (3rd edition). 2016 In: Autophagy. - : Informa UK Limited. - 1554-8635 .- 1554-8627. ; 12:1, s. 1-222 Journal article (peer-reviewed)
3.	Cao, Yang, Associate Professor, 1972-, et al. (author) Validation of a survey methodology for gastroesophageal reflux disease in China 2008 In: BMC Gastroenterology. - : BioMed Central. - 1471-230X. ; 8 Journal article (peer-reviewed)
4.	Di Cesare, Mariachiara, et al. (author) Trends in adult body-mass index in 200 countries from 1975 to 2014: A pooled analysis of 1698 population-based measurement studies with 19.2 million participants 2016 In: The Lancet. - : Lancet Publishing Group. - 0140-6736 .- 1474-547X. ; 387:10026, s. 1377-1396 Journal article (peer-reviewed)
5.	Liu, Lu-Chuan, et al. (author) Improved Spatial Resolution Achieved by Chromatic Intensity Interferometry 2021 In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 127:10 Journal article (peer-reviewed)abstract Interferometers are widely used in imaging technologies to achieve enhanced spatial resolution, but require that the incoming photons be indistinguishable. In previous work, we built and analyzed color erasure detectors, which expand the scope of intensity interferometry to accommodate sources of different colors. Here we demonstrate experimentally how color erasure detectors can achieve improved spatial resolution in an imaging task, well beyond the diffraction limit. Utilizing two 10.9-mm- aperture telescopes and a 0.8 m baseline, we measure the distance between a 1063.6 and a 1064.4 nm source separated by 4.2 mm at a distance of 1.43 km, which surpasses the diffraction limit of a single telescope by about 40 times. Moreover, chromatic intensity interferometry allows us to recover the phase of the Fourier transform of the imaged objects-a quantity that is, in the presence of modest noise, inaccessible to conventional intensity interferometry.

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Type of publication: journal article (5)

Type of content: peer-reviewed (5)

Author/Editor: Wang, Xin (2); Zhang, Yan (1); Alonso, Alejandro (1); Korhonen, Laura (1); Lindholm, Dan (1); Vertessy, Beata G. (1); show more...; Peeters, Petra H (1); Overvad, Kim (1); Kaaks, Rudolf (1); Boeing, Heiner (1); Trichopoulou, Antoni ... (1); Bueno-de-Mesquita, H ... (1); Norat, Teresa (1); Riboli, Elio (1); Joffres, Michel (1); Wang, Kai (1); Sun, Kai (1); Wang, Mei (1); Liu, Yang (1); Wang, Yi (1); McKee, Martin (1); Kumar, Rakesh (1); Wang, Dong (1); Salomaa, Veikko (1); Lundqvist, Annamari (1); Li, Ke (1); Liu, Ke (1); Zhang, Yang (1); Zhang, Qian (1); Van Minh, Hoang (1); Xu, Xin (1); Nàgy, Péter (1); Giwercman, Aleksande ... (1); Wade, Alisha N. (1); Kominami, Eiki (1); van der Goot, F. Gis ... (1); Cooper, Cyrus (1); Hardy, Rebecca (1); Sunyer, Jordi (1); Bonaldo, Paolo (1); Thum, Thomas (1); Brenner, Hermann (1); Claessens, Frank (1); Adams, Christopher M (1); Minucci, Saverio (1); Vellenga, Edo (1); Craig, Cora L. (1); Sjostrom, Michael (1); Adams, Robert (1); Smith, Caroline (1); show less...

University: University of Gothenburg (2); Umeå University (2); Uppsala University (2); Stockholm University (2); Lund University (2); Luleå University of Technology (1); show more...; Örebro University (1); Linköping University (1); Chalmers University of Technology (1); Karolinska Institutet (1); Swedish University of Agricultural Sciences (1); show less...

Language: English (5)

Research subject (UKÄ/SCB): Natural sciences (3); Medical and Health Sciences (3)

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