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  • Abujrais, SandyUppsala universitet,Klinisk kemi (author)

A sensitive method detecting trace levels of levonorgestrel using LC-HRMS

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • Elsevier BV,2019

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/282794
  • https://gup.ub.gu.se/publication/282794URI
  • https://doi.org/10.1016/j.contraception.2019.06.001DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388593URI

Supplementary language notes

  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Objective: To develop a high resolution mass spectrometry (HRMS) method to quantify levonorgestrel (LNG) in serum. Study design: Levonorgestrel was extracted using solid phase extraction and measured using liquid chromatography (LC) HRMS. Results: Low limit of quantification (LLOQ) was 25 pg/mL and low limit of detection (LLOD) was 12.5 pg/mL. Precision and accuracy bias were <10%. LNG in serum samples from Mirena® users ranged between 37 to 219 pg/mL (n=12). In eight out of 22 patients with suspected intrauterine device (IUD) expulsion LNG was detected (26–1272 pg/mL). Conclusion: A sensitive, fast and simple LC-HRMS method was developed to detect trace levels of LNG. © 2019 Elsevier Inc.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Olovsson, Matts,1958-Uppsala universitet,Reproduktionsbiologi(Swepub:uu)mattolov (author)
  • Ahnoff, MartinGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,Department of Marine Sciences, University of Gothenburg, Carl Skottbergs gata 22B, SE-41319 Gothenburg, Sweden. (author)
  • Rasmusson, AnnicaUppsala universitet,Klinisk farmakogenomik och osteoporos(Swepub:uu)annijaco (author)
  • Larsson, AndersUppsala universitet,Klinisk kemi(Swepub:uu)andlarss (author)
  • Åkerfeldt, TorbjörnUppsala universitet,Klinisk kemi(Swepub:uu)tak20812 (author)
  • Kultima, KimUppsala universitet,Klinisk kemi(Swepub:uu)kikul535 (author)
  • Uppsala universitetKlinisk kemi (creator_code:org_t)

Related titles

  • In:Contraception: Elsevier BV100:3, s. 247-2490010-78241879-0518

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