Middlebrook 7H9 broth
E271798
Middlebrook 7H9 broth is a nutrient-rich liquid growth medium commonly used for the laboratory cultivation and study of mycobacteria, including Mycobacterium tuberculosis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Middlebrook 7H9 broth canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2504141 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Middlebrook 7H9 broth Context triple: [Mycobacterium tuberculosis, cultureMedium, Middlebrook 7H9 broth]
-
A.
Nourse
Nourse is a surname and variant spelling of "Nurse," historically associated with English-speaking families and occasionally used as a place or business name.
-
B.
Colwell
Colwell is a surname most notably associated with Rita R. Colwell, an influential American microbiologist and former director of the U.S. National Science Foundation.
-
C.
Coliiformes
Coliiformes is an order of small, arboreal African birds known as mousebirds, characterized by soft plumage, long tails, and strong climbing abilities.
-
D.
Biolon
Biolon is a tributary stream that feeds into Lake Annecy in southeastern France.
-
E.
Penicillium chrysogenum
Penicillium chrysogenum is a species of filamentous fungus best known as the original industrial source of the antibiotic penicillin.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Middlebrook 7H9 broth Target entity description: Middlebrook 7H9 broth is a nutrient-rich liquid growth medium commonly used for the laboratory cultivation and study of mycobacteria, including Mycobacterium tuberculosis.
-
A.
Nourse
Nourse is a surname and variant spelling of "Nurse," historically associated with English-speaking families and occasionally used as a place or business name.
-
B.
Colwell
Colwell is a surname most notably associated with Rita R. Colwell, an influential American microbiologist and former director of the U.S. National Science Foundation.
-
C.
Coliiformes
Coliiformes is an order of small, arboreal African birds known as mousebirds, characterized by soft plumage, long tails, and strong climbing abilities.
-
D.
Biolon
Biolon is a tributary stream that feeds into Lake Annecy in southeastern France.
-
E.
Penicillium chrysogenum
Penicillium chrysogenum is a species of filamentous fungus best known as the original industrial source of the antibiotic penicillin.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
liquid culture medium
ⓘ
microbiological growth medium ⓘ mycobacterial culture medium ⓘ |
| aggregateState | liquid ⓘ |
| commerciallyAvailableFrom |
BD Biosciences
ⓘ
Difco ⓘ various microbiological media suppliers ⓘ |
| containsComponent |
L-glutamic acid
ⓘ
ammonium sulfate ⓘ beef extract ⓘ ferric ammonium citrate ⓘ glycerol ⓘ magnesium sulfate ⓘ pancreatic digest of casein ⓘ potassium phosphate dibasic ⓘ potassium phosphate monobasic ⓘ sodium citrate ⓘ |
| cultureMediumFor |
Mycobacterium bovis BCG
ⓘ
linked to:
Mycobacterium bovis
Mycobacterium tuberculosis ⓘ non-tuberculous mycobacteria ⓘ |
| developedBy | George Middlebrook ⓘ |
| hasForm | liquid ⓘ |
| hasPHRange | approximately 6.6 to 7.0 ⓘ |
| hasProperty |
nutrient-rich
ⓘ
supports dispersed mycobacterial growth with surfactant ⓘ supports slow-growing bacteria ⓘ |
| namedAfter | George Middlebrook ⓘ |
| relatedTo |
Middlebrook 7H10 agar
ⓘ
Middlebrook 7H11 agar ⓘ |
| supplementedWith |
OADC
ⓘ
Tween 80 ⓘ glycerol ⓘ oleic acid albumin dextrose catalase supplement ⓘ |
| typicalIncubationAtmosphere | aerobic ⓘ |
| typicalIncubationTemperature | 37 °C ⓘ |
| usedFor |
antimicrobial susceptibility testing of mycobacteria
ⓘ
cultivation of Mycobacterium tuberculosis ⓘ cultivation of mycobacteria ⓘ drug screening against Mycobacterium tuberculosis ⓘ growth of fast-growing mycobacteria ⓘ growth of slow-growing mycobacteria ⓘ maintenance of mycobacterial laboratory strains ⓘ mycobacterial growth curve studies ⓘ preparation of mycobacterial inocula ⓘ |
| usedIn |
clinical mycobacteriology laboratories
ⓘ
drug discovery for tuberculosis ⓘ minimum inhibitory concentration assays for mycobacteria ⓘ tuberculosis research ⓘ |
| usedWith | shaking incubation for mycobacterial cultures ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Middlebrook 7H9 broth Description of subject: Middlebrook 7H9 broth is a nutrient-rich liquid growth medium commonly used for the laboratory cultivation and study of mycobacteria, including Mycobacterium tuberculosis.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.