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Quantification method for elemental bio-imaging by LA-ICP-MS using metal spiked PMMA films

  • Christine Austin
  • , Dominic Hare
  • , Tristan Rawling
  • , Andrew M. McDonagh
  • , Philip Doble

Research output: Contribution to journal › Article › peer-review

87 Scopus citations

Abstract

A method for quantitative analysis of biological soft tissues by laser ablation-inductively coupled plasma-mass spectrometry has been developed. Polymer film standards were produced by spin coating spiked solutions of polymethylmethacrylate onto quartz substrates. Calibration curves throughout the range of 0-400 μg g-1 yielded correlation coefficients better than 0.999 for 66Zn and 63Cu. Spiked, homogenised soft tissue standards were quantified by LA-ICP-MS against the thin film standards. The results agreed with values calculated from solution nebulisation ICP-MS. A procedure for internal standardisation by employing ruthenium or yttrium in the underlying thin film was also assessed.

Original languageEnglish
Pages (from-to)722-725
Number of pages4
JournalJournal of Analytical Atomic Spectrometry
Volume25
Issue number5
DOIs
StatePublished - 2010
Externally publishedYes

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