minimum Sample File Default Structure v1.0

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Header	Column Structure	Constraints	Description	Examples
Source Name	single column	Required MinLength: 3 MaxLength: 128 Controls	Unique source identifier of the Sample or simply repeat 'Sample Name'	Single standard Standard mix Blank QC1 Sample1 QC2 Sample2
Characteristics[Organism]	ontology column	Required MinLength: 5 Controls	A living entity	[reference compound, BAO, http://www.bioassayontology.org/bao#BAO_0002092] [blank sample, NCBITaxon, http://purl.obolibrary.org/obo/NCBITaxon_2582415] [Homo sapiens, NCBITaxon, http://purl.obolibrary.org/obo/NCBITaxon_9606] [Mus musculus, NCBITaxon, http://purl.obolibrary.org/obo/NCBITaxon_10090]
Characteristics[Organism part]	ontology column	Required MinLength: 3 Controls	A portion of an organism	[pure substance, CHEBI, http://purl.obolibrary.org/obo/CHEBI_60003] [mixture, CHEBI, http://purl.obolibrary.org/obo/CHEBI_60004] [solvent, CHEBI, http://purl.obolibrary.org/obo/CHEBI_46787] [blood plasma, BTO, http://purl.obolibrary.org/obo/BTO_0000131]
Characteristics[Variant]	ontology column		Selected breed, strain, cultivar, etc (if available)	C57BL/6J
Characteristics[Sample type]	ontology column	Controls	Sample role in the experiment	[reference compound, MSIO, http://purl.obolibrary.org/obo/MSIO_0000023] [reference compound mix, MSIO, http://purl.obolibrary.org/obo/MSIO_0000024] [experimental sample, CHMO, http://purl.obolibrary.org/obo/CHMO_0002746] [pooled quality control sample, MTBLS, http://www.ebi.ac.uk/metabolights/ontology/MTBLS_001090]
Protocol REF	single column	Required MinLength: 1 Default: Sample collection Controls	Predetermined value: 'Sample Collection'.	Sample Collection
Sample Name	single column	Required MinLength: 3 MaxLength: 128 Controls	Unique identifier from a particular source. Usually associated with an output spectral data filename.	Leucin standard Standard mix Blank QC1 Sample1 QC2 Sample2