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. 2018 Feb 16;8:3141. doi: 10.1038/s41598-018-21431-9

Table 2.

Scoring rules for PChem data.

Attribute Criteria Score
Core size Data source - Experimentally measured by the authors 3
- Adapted from manufacturers’ specifications 2
- Adapted from other references using the same nanomaterials and experimental conditions 1
- No data 0
Data method - TEM 2
- Estimated from specific surface area - Other methods (e.g., SEM/AFM) 1
- No information 0
Hydrodynamic size Data source - Experimentally measured by the authors 3
- Adapted from manufacturers’ specifications 2
- Adapted from other references using the same nanomaterials and experimental conditions 1
- No data 0
Data method - DLS/NTA 2
- Other methods 1
- No information 0
Surface charge Data source - Experimentally measured by the authors 3
- Adapted from manufacturers’ specifications 2
- Adapted from other references using the same nanomaterials and experimental conditions 1
- No data 0
Data method - Zeta potential 2
- Other methods 1
- No information 0
Specific surface area Data source - Experimentally measured by the authors 3
- Adapted from manufacturers’ specifications 2
- Adapted from other references using the same nanomaterials and experimental conditions 1
- No data 0
Data method - BET 2
- Estimated from core size - Other methods 1
- No information 0

TEM: Transmission Electron Microscopy; SEM: Scanning Electron Microscopy; AFM: Atomic Force Microscopy; XRD: X-Ray Diffraction; DLS: Dynamic Light Scattering; NTA: Nanoparticle Tracking Analysis; BET: Brunauer-Emmett-Teller method.