Ontology mapping
- Primary identifier
-
kgmicrobe.ingredient:potassium_phosphate_buffer - Ontology term
-
NCIT:C29321— Phosphate Buffer - Ontology label
- Phosphate Buffer
- Notes
- Imported from CultureBotHT (consolidated_media.json (media-only)). Used in 2 CultureBot media; samples: Mega, TYG. No CAS-RN or CHEBI mapping available; curator review needed. Potassium phosphate buffer is a formulation variant, not identical to the generic phosphate buffer class.
- kg-microbe node
kgmicrobe.ingredient:potassium_phosphate_buffer
Physicochemical roles
- Role
- BUFFER
- Confidence
- 0.8
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Inferred from curated media-role name pattern
- Curator note
- Provisional role from a curated name-pattern rule; review recommended.
Synonyms (5)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Potassium phosphate buffer | RAW_TEXT | culturebotht | |
| Potassium phosphate buffer (0.01 M, pH 7.2) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv | |
| Potassium phosphate buffer (0.02 M, pH 7.0) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv | |
| Potassium phosphate buffer (1 M, pH 7.1) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv | |
| Potassium phosphate buffer* (see below) | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv |
Evidence (1)
CURATOR_JUDGMENT
via ingredient_mapping_review_2026-05-05
Potassium phosphate buffer is a formulation variant, not identical to the generic phosphate buffer class.
Occurrence statistics
- Total occurrences
- 44
- Distinct media
- 44
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-04-29T06:51:33.117170+00:00 | audit_add_remaining_culturebotht | CREATED_AS_UNMAPPED | UNMAPPED | Imported from CultureBotHT (consolidated_media.json (media-only)). Used in 2 CultureBot media; samples: Mega, TYG. No CAS-RN or CHEBI mapping available; curator review needed. |
| 2026-05-02T03:12:19.854401+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=STOCK_SOLUTION (name matches solution pattern 'phosphate buffer') | |
| 2026-05-02T03:18:21.960132+00:00 | resolve_unmapped_v2 | AUTO_UPGRADE_TO_NCIT | primary UNMAPPED_0274 → NCIT:C29321 (strategy=stem-match) | |
| 2026-05-05T00:00:00+00:00 | ingredient_mapping_review_2026_05_05 | CORRECTED | MAPPED | Changed identifier from NCIT:C29321 to kgmicrobe.ingredient:potassium_phosphate_buffer and retained NCIT:C29321 only as CLOSE_MATCH. Potassium phosphate buffer is a formulation variant, not identical to the generic phosphate buffer class. |
| 2026-06-03T02:06:01.748066+00:00 | infer_roles_from_name_lists | ANNOTATED | Added media role: BUFFER (confidence: 0.80) | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): BUFFER -> physicochemical_roles.BUFFER | |
| 2026-08-27T03:16:39.519736+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 2/2 -> 44/44 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257] | |
| 2026-08-30T04:48:06.233536+00:00 | claude_culturemech_alias_backfill | ADDED_SYNONYMS | Added 4 CultureMech recipe surface form(s) that folded onto this record's published label but were absent from MIM's label index, so CultureMech could not resolve them: 'Potassium phosphate buffer (0.01 M, pH 7.2)' (x1 CultureMech mentions); 'Potassium phosphate buffer (0.02 M, pH 7.0)' (x1 CultureMech mentions); 'Potassium phosphate buffer (1 M, pH 7.1)' (x1 CultureMech mentions); 'Potassium phosphate buffer* (see below)' (x1 CultureMech mentions). Source: culturemech:output/ingredient_occurrences.tsv. |