What is n15 used for?

N15, or nitrogen-15, is a stable isotope of nitrogen commonly used in scientific research and applications, particularly in the fields of Biology, environmental science, and agriculture. It is often utilized as a tracer in studies of nitrogen cycling, plant nutrition, and metabolic processes, allowing researchers to track the movement and transformation of nitrogen in ecosystems. Additionally, N15 can be employed in isotopic labeling for various analytical techniques, such as mass spectrometry.