# ``stable_isotope_probing_placeholder``
## Properties
:dimensions: N_PROF, N_LEVELS
:dtype: str32
## Default Attributes
| Attribute | Value |
|-----|-----|
|``whp_name`` | ``SIP`` |
## Description
Stable isotope probing.

This describes samples taken for an uptake analysis which introduces stable isotopes and measures their uptake over a period of time.