| polymer_type |
<app.db.schema.PolymerType object at 0x71ff90841490>
|
| morphology |
<app.db.schema.Morphology object at 0x71ff90842a20>
|
| source |
<app.db.schema.LiteratureSource object at 0x71ff90778ad0>
|
| chemical_loads |
|
| matrix_entries |
(<app.db.schema.MatrixComposition object at 0x71ff90843a70>)
(<app.db.schema.MatrixComposition object at 0x71ff90842d80>)
(<app.db.schema.MatrixComposition object at 0x71ff90841ac0>)
(<app.db.schema.MatrixComposition object at 0x71ff90843740>)
(<app.db.schema.MatrixComposition object at 0x71ff90842150>)
(<app.db.schema.MatrixComposition object at 0x71ff908432f0>)
(<app.db.schema.MatrixComposition object at 0x71ff908405f0>)
|
| id |
15 |
| polymer_type_id |
3 |
| size_major_axis_nm |
20.0 |
| size_minor_axis_nm |
20.0 |
| morphology_id |
3 |
| crystallinity_pct |
3.0 |
| surface_area_m2_per_g |
85.0 |
| zeta_potential_mv |
-40.0 |
| hydrophobicity_log_d |
3.2 |
| surface_functionalization |
Pristine surface; manufactured polystyrene nanosphere. No functionalisation. |
| protein_corona_potential |
|
| origin |
Primary |
| weathering_state |
1 |
| degradability_notes |
Polystyrene is highly persistent at all size scales; 20 nm particles may exhibit enhanced cellular uptake. |
| density_g_per_cm3 |
1.05 |
| reference_material_id |
|
| detection_method |
TEM / DLS |
| refractive_index |
1.59 |
| reliability_rating |
reliable |
| detection_method_notes |
AURORA preliminary 2026 data. PS ultrafine particles are reliably characterised by TEM with DLS confirmation. |
| source_id |
6 |
| notes |
20 nm PS ultrafine sphere — model particle for exercising ultrafine_nano kinetic fractions. AURORA preliminary 2026. |
| created_at |
2026-05-16 05:30:24.903696 |
| updated_at |
2026-05-16 05:30:24.903696 |