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Assessing analytical convolution effects in diffusion studies: Applications to experimental and natural diffusion profiles.

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  • المؤلفون: Jollands MC;Jollands MC;Jollands MC
  • المصدر:
    PloS one [PLoS One] 2020 Nov 24; Vol. 15 (11), pp. e0241788. Date of Electronic Publication: 2020 Nov 24 (Print Publication: 2020).
  • نوع النشر :
    Journal Article; Research Support, Non-U.S. Gov't
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: San Francisco, CA : Public Library of Science
    • الموضوع:
      Algorithms* ; Diffusion*; Mathematics ; Normal Distribution
    • نبذة مختصرة :
      Given that all in-situ analytical techniques have a non-zero beam size, all measured profiles, resulting from diffusion or otherwise, will be artefactually elongated to some degree. Profiles where the total length over which the concentration changes approaches the resolution of the analytical technique likely suffer from serious convolution; the measured profiles may be considerably elongated relative to the true profile. Resolving this effect is non-trivial, except for some specific combinations of profile type and beam geometry. In this study, a versatile method for numerically deconvoluting diffusion profiles acquired using techniques with Gaussian, Lorentzian, (pseudo-)Voigt, circular/elliptical or square/rectangular interaction volumes, is presented. A MATLAB code, including a user-friendly interface (PACE-the Program for Assessing Convolution Effects in diffusion studies), is also provided, and applied to several experimental and natural profiles interpreted as resulting from diffusion, showing various degrees of convolution.
      Competing Interests: The author declares that no competing interests exist.
    • References:
      Mol Reprod Dev. 2015 Jul-Aug;82(7-8):518-29. (PMID: 26153368)
      Sci Rep. 2018 Aug 6;8(1):11775. (PMID: 30082716)
      Nature. 2013 Aug 1;500(7460):68-72. (PMID: 23903749)
      Nature. 2018 Jul;559(7712):94-97. (PMID: 29950721)
      PLoS One. 2012;7(5):e37492. (PMID: 22666359)
    • الموضوع:
      Date Created: 20201124 Date Completed: 20210120 Latest Revision: 20210120
    • الموضوع:
      20231215
    • الرقم المعرف:
      PMC7685509
    • الرقم المعرف:
      10.1371/journal.pone.0241788
    • الرقم المعرف:
      33232362