# Sample Processing and Separation Techniques Ontology (SEP)

> A structured controlled vocabulary for the annotation of sample processing and separation...

- Page: https://library.schematica.io/model/eeda6f14be614f4eb9e57426606cb7e1
- Model type: Ontology
- License: CC BY 4.0
- Access type: Academic
- Access method: Download
- Model size: Small
- Formats: OBO
- Domains: Tech / IT
- Audiences: Researcher
- External link: https://bioportal.bioontology.org/ontologies/SEP
- Contact: SEP developers (psidev-gps-dev@lists.sourceforge.net)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | SEP |
| Description | A structured controlled vocabulary for the annotation of sample processing and separation techniques in scientific experiments, such as, and including, gel electrophoresis, column chromatography, capillary electrophoresis, centrifugation and so on. Developed jointly by the HUPO Proteomics Standards Initiative and The Metabolomics Standards Initiative. |
| Format | OBO |
| Categories |  |
| Groups | Proteomics Standards Initiative |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 223 |
| Individuals | 0 |
| Properties | 1 |
| Max Depth | 8 |
| Max Child Count | 18 |
| Average Child Count | 2 |
| Classes With One Child | 25 |
| Classes With More Than 25 Children | 0 |
| Classes With No Definition | 9 |

## Projects using SEP

- [MeRy-B](https://bioportal.bioontology.org/projects/MeRy-B)

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Source: https://library.schematica.io/model/eeda6f14be614f4eb9e57426606cb7e1