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The Material file looks similar to an Investigation file. It is a vertically oriented spreadsheet containing tab delimited column values representing multiple values. The file consists of three sections: MATERIAL, MATERIAL RELATIONSHIP, and MATERIAL FILE. TABLE 1 17 shows an the example subset of the material file.

TABLE 1 17 Example Subset of the Material File Format

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An Example Material File is shown in TABLE 218.

Material source identifier--- 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 nano-TAB study files, thereby linking the nano-TAB material file and the study file. For example, NCL-23 (see TABLE 218) is the name that identifies a material characterized by the Nanotechnology Characterization Laboratory (NCL).  This example indicates that the sample NCL-23 is a complex formed out of NCL-22 (a G4.5 PAMAM dendrimer terminated with carboxyl groups) and NCL-24 (magnevist).

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The MATERIAL RELATIONSHIP section is used to record the name and types of relationships between materials including material parts and material linkages.  Material parts represent the components within a material.  Material linkages represent association between materials (e.g. encapsulation, attachment, entrapment). TABLE 3 19 illustrates an example of the MATERIAL RELATIONSHIP section. The concepts used for describing the relationship are given below.

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The material file section allows for the association of any files (e.g. image files) to the nano-TAB material file. TABLE 420 illustrates an example of the MATERIAL FILE section. 

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