Shona McSheehy

Certification of a new selenized yeast reference material (SELM-1) for methionine, selenomethinone and total selenium content and its use in an intercomparison exercise for quantifying these analytes

Zoltán Mester, Scott Willie, Lu Yang et al. · Analytical and Bioanalytical Chemistry · 2006 · 91 citations

Industrial Mycology, Engineering, Biochemistry +11

Characterization of Arsenic Species in Kidney of the Clam <i>Tridacna</i> <i>d</i><i>erasa</i> by Multidimensional Liquid Chromatography-ICPMS and Electrospray Time-of-Flight Tandem Mass Spectrometry

Shona McSheehy, Joanna Szpunar, Ryszard Łobiński et al. · Analytical Chemistry · 2002 · 85 citations

Speciation of arsenic in edible algae by bi-dimensional size-exclusion anion exchange HPLC with dual ICP-MS and electrospray MS/MS detection

Shona McSheehy, Joanna Szpunar · Journal of Analytical Atomic Spectrometry · 2000 · 80 citations

Food Forensics, Engineering, Food Chemistry +22

Comparison of extraction methods for quantitation of methionine and selenomethionine in yeast by species specific isotope dilution gas chromatography–mass spectrometry

Lu Yang, Ralph E. Sturgeon, Shona McSheehy et al. · Journal of Chromatography A · 2004 · 75 citations

Isotope Analysis, Biochemistry, Gas Chromatography +9

Determination of Methionine and Selenomethionine in Selenium-Enriched Yeast by Species-Specific Isotope Dilution with Liquid Chromatography−Mass Spectrometry and Inductively Coupled Plasma Mass Spectrometry Detection

Shona McSheehy, Lu Yang, Ralph E. Sturgeon et al. · Analytical Chemistry · 2004 · 73 citations