Publications by authors named "Kelly R Bowen"
Testing Assumptions for Stable Isotope Analysis of Marine Mammal Dentin Growth Layer Groups.
Rapid Commun Mass Spectrom
May 2025
Rationale: Stable isotope analysis of growth layer groups (GLGs) in mammal dentin is an increasingly prevalent and noninvasive approach to study animal foraging ecology. However, empirical evidence to support assumed proper methodologies for sampling GLGs is lacking. Here, we examine the effects of intratooth and intertooth variations with respect to targeted GLGs, as well as the effects of common pretreatments (e.
View Article and Find Full Text PDFEffects of pre-treatment, historical age, and sample characteristics on the stable isotope analyses of killer whale (Orcinus orca) bone.
Rapid Commun Mass Spectrom
October 2024
Article Synopsis
- The study explores how different pre-treatment methods affect stable carbon (δC) and nitrogen (δN) isotope values in killer whale (Orcinus orca) bone collagen.
- While no significant changes were found in δN values across methods, all treatments significantly increased δC values, with the combination of demineralization and lipid extraction being the most effective.
- The purity of collagen, measured through C:N ratios, improved with treatment but showed no correlation with the historical age of the samples or physical characteristics.