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TITLE: FAIR Maturity Indicator MI-R1.3-99c4a218fe-AS_SSC_MEDIA_PH

Authors:

Ammar Ammar, ORCID:0000-0002-8399-8990

Publication Date: 2021-02-15

Last Edit: 2021-05-03

Accepted: pending

Maturity Indicator Identifier: MI-R1.3-99c4a218fe-AS_SSC_MEDIA_PH

This maturity indicator falls under the FAIR principle R1.3: (meta)data meet domain-relevant community standards

The ID of this MI is composed of the following segments (separated by hyphen):

  1. Acronym for "Maturity Indicator"
  2. The FAIR principle this maturity indicator belongs to
  3. The first 10 characters truncated from the SHA-256 hash of the primary reference DOI of this maturity indicator.
  4. A short name to distinguish the maturity indicator definition file

This MI is to indicate if the pH of the simulated surface contact media (in air-surface exposure scenarios) is reported by the nano toxicity study data or not.

Maturity Indicator Name: The pH of the simulated surface contact media (in air-surface exposure scenarios) is reported by the nano toxicity study

This maturity indicator is extracted from the following paper Title: Harmonizing Across Environmental Nanomaterial Testing Media for Increased Comparability of Nanomaterial Datasets DOI: https://doi.org/10.1039/C9EN00448C

To which principle does it apply?

R1.3

What is being measured?

If the pH of the simulated surface contact media (in air-surface exposure scenarios) is reported by the nano toxicity study data or not.

Why should we measure it?

Many biomolecules are pH sensitive; different biological compartments have specific pHs for optimal functionality, e.g. digestive tracts are typically acidic to support breakdown of the food and release the nutrients for adsorption. pH is an essential parameter for all liquid media types, as physiological changes related to environmental stress will arise when organisms are outside of their optimal pH range, which will compromise any subsequent exposure or hazard assessments.

What must be provided for the measurement?

If the value is measured and reported in the data, the following field(s) should appear in JSON-LD metadata:

Field Name Alternative terms
simulated surface contact media pH simulated_surface_contact_media_pH,
simulated-surface-contact-media-pH,
SimulatedSurfaceContactMediaPH

How is the measurement executed?

The "simulated surface contact media pH" should be provided in a machine-readable format (JSON-LD) which can be queried using open universal protocol like HTTP.

What is/are considered valid result(s)?

The presence of the field "simulated surface contact media pH" in the JSON-LD metadata means the measurement is reported which is the valid result.

For which digital resource(s) is this relevant? (or 'all')

For nano toxicity related datasets.

Examples of good practices (that would score well on this assessment)

{
 	"@context": {
 		"bs": "https://bioschemas.org/",
 		"schema": "https://schema.org/",
 		"citation": "schema:citation",
 		"name": "schema:name",
 		"url": "schema:url",
 		"variableMeasured": "schema:variableMeasured",
 		"unitText": "schema:unitText"
 	},
 	"@type": "schema:Dataset",
 	"name": "Dataset title",
 	"@id": "Dataset DOI",
 	"url": "Dataset URL",
 	"citation": "Dataset Citation/Publication",
 	"variableMeasured": [
 		{
 			"@type": "schema:PropertyValue",
 			"name": "simulated surface contact media pH"
 		}
 	]
 }

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