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A detailed example leveraging data from the Nanotechnology Characterization Laboratory (NCL) NCL200612 is provided on the Material File Examples wiki page.
Fields
Nodes
Material source name--- The unique identification name of the source from which the material sample is derived. Its value is used as the value for source name in ISA-TAB-Nano study files, thereby linking the ISA-TAB-Nano Material file and the Study file.
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Material design rationale---A text description for the underlying design rationale is the property, process or phenomenon taken into consideration when formulating a nanoparticle or other substance in order to achieve the intended use of the formulation.
Attributes of Material Nodes
Material intended application---The application for which a drug, nanoparticle or other substance is formulated and tested (e.g., MRI).Material intended application term accession number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material intended application.
Material intended application term source REF---The name which identifies the source from where the term for material intended application is selected.& This name should match one of the names entered in the terms source name field in the investigation file.Material type---One or more terms used to classify the type of material sample. Multiple terms are entered as a semicolon-delimited list.
Material type term accession number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material type.
Material type term source REF---The name which identifies the source from where the term for material type is selected. This name should match one of the names entered in the terms source name field in the investigation file.
Material chemical name---The chemical name of the material or its constituent material.
Material chemical name term accession number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material chemical name.
Material chemical name term source REF---The name which identifies the source from where the term for material chemical name is selected. This name should match one of the name entered in the term source name field in the investigation file.
Characteristics--- A semicolon-delimited list of terms that describe specific attributes of the sample or its constituents. Nominal particle characteristics (or vendor supplied) should be included in the Material File as characteristics. Experimentally determined characteristics should be included in the Assay File.
Characteristic term accession number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material characteristic.
Characteristics term source REF---The name which identifies the source from where the term for Material Characteristic is selected. This name should match one of the names entered in the terms source name field in the investigation file.
Characteristics value--- The value corresponding to a material characteristic name. For example, “single walled carbon nanotube” is the value of the characteristic name “wall type” for the material chemical name “carbon nanotube”.
Characteristics value term accession number--- Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material characteristic value.
Characteristics value term source REF--- The name which identifies the source from where the term for material characteristic value is selected. This name should match one of the names entered in the terms source name field in the investigation file.
Unit--- The standard of measurement used if the value for material characteristic value is quantitative and dimensional.
Unit term accession number--- Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material characteristic unit.
Unit term source REF--- The name which identifies the source from where the term for material characteristic unit is selected.
Material consitituent--- The material name for each of the components within a material. The names should be obtained from the entries for the “Material Name” field. If there is a "Material Linkage Type", then only the two linked components should be specified.
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Material linkage type---The type of linkage present in a nanoparticle sample (for example, attachment, encapsulation, entrapment etc.). If the linkage type is an entrapment or encapsulation, the material type column can specify whether the constituent is entrapped or encapsulated
Material linkage type term accession number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for material linkage type.
Material linkage type term source REF---The name which identifies the source from where the term for material linkage type is selected. This name should match one of the names entered in the term source name field in the investigation file.
Material data file --- The name of files (for example, Image, Structures file) containing information about the material sample. There can be only one file name per cell.
Material data file type--- The name that defines the type of the material file (e.g. image, graph).
Material data file type term accession numberdescription--- A textual description providing additional information on the material file.
Qualifiers for Material Nodes’ Attributes
Each node attribute may be qualified using the following concepts, if applicable.
Unit---The standard of measurement used if the values for characteristic [ ], parameter value [ ] or factor value [ ] columns are quantitative and dimensional. If the term for unit is taken from an ontology/controlled vocabulary, then its term accession number and the term source REF should be defined in the ISA-TAB-Nano investigation file.
Term Accession Number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value for in source name, material file type.type, characteristic [ ], parameter value [ ], unit or factor value [ ] columns.
Term Source Material data file type term source REF---The name which identifies the source from where the a term for Material data file type is selected .Material data file description--- A textual description providing additional information on the material and entered in ISA-TAB-Nano study files. This name should match one of the names entered in the term source name field in the ISA-TAB-Nano Investigation file.
