<strong>The origin of nitrogen isotope ratio differences in biological organs and their applications</strong>

Raman Umamaheswaran

Presentation information

[E] Oral

H (Human Geosciences ) » H-TT Technology & Techniques

[H-TT16] Development and application of environmental traceability methods

Tue. May 26, 2026 1:45 PM - 3:15 PM Exhibition Hall Special Setting (2) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Tayasu Ichiro(Research Institute for Humanity and Nature)

2:15 PM - 2:30 PM

[HTT16-08] The origin of nitrogen isotope ratio differences in biological organs and their applications

*Raman Umamaheswaran¹, Nanako O Ogawa¹, Naoto F Ishikawa¹, Yoshinori Takano¹, Naohiko Ohkouchi¹ (1. Biogeochemistry Research Center (BGC), Japan Agency for Marine-Earth Science and Technology(JAMSTEC), Natsushima 2-15, Yokosuka, Kanagawa 2370061, Japan)

Keywords:Horse mackerel, organ-specific δ15N, amino acids, GC/C/IRMS, HPLC-CAD, collagen