molecular mass

IRI: https://spec.industrialontologies.org/ontology/construct/MolecularMass

Defined In: https://spec.industrialontologies.org/ontology/biopharma/BiopharmaMaterial/

SubClass Of: mass

Class Hierarchy

owl:Thing › bfo:entity › bfo:continuant › bfo:specifically dependent continuant › bfo:quality › mass › molecular mass

Direct subclasses:

• intact molecular mass
• non-glycosylated molecular mass

Definition

mass that is either the mass of a molecular entity or an average of the masses of the molecular entities in a molecular entity population

Explanatory Notes

1) Molecular mass should be distinguished from molar mass. Molar mass is mass divided by amount of substance and is expressed in units such as grams per mole or kilograms per mole. 2) Molecular weight remains common in pharmaceutical, biopharmaceutical, polymer, and analytical practice. Molecular mass is the preferred term in this ontology because molecular weight is also used for the dimensionless quantity relative molecular mass

Examples

• the molecular mass of a monoclonal antibody glycoform of approximately 148 kDa; the average molecular mass of the molecules in an albumin population of approximately 66.5 kDa; the number-average molecular mass of the molecular entities in a polymer population

Adapted From

• http://purl.allotrope.org/ontologies/quality#AFQ_0000256 and https://en.wikipedia.org/wiki/Molecular_mass

Primitive Class

This class is declared primitive and it does not have necessary and sufficient condiftions defined.

Primitive Rationale

There are insufficient constructs to define necessary and sufficient conditions.

Formal Axioms

First-Order Logic Axioms

MolecularMass(x) → Mass(x) ∧ (∃m(MolecularEntity(m) ∧ qualityOf(x,m)) ∨ ∃p(MolecularEntityPopulation(p) ∧ qualityOf(x,p)))

Semi-Formal Natural Language Axioms

if x is a ‘molecular mass’ then x is a ‘mass’ that is the ‘quality of’ some ‘molecular entity’ or some ‘molecular entity population’

Description Logic

constr:MolecularMass ⊑ constr:Mass

constr:MolecularMass ⊑ ∃ constr:qualityOf .(constr:MolecularEntity ⊔ constr:MolecularEntityPopulation)

SubClassOf: constr:Mass

SubClassOf: constr:qualityOf some (constr:MolecularEntity or constr:MolecularEntityPopulation)