| UV–visible absorption, non-rinsed cells and supernatant | Distinct absorption peak at approximately 230 nm |
|---|---|
| UV–visible absorption, rinsed cells | The approximately 230 nm peak was absent; a peak at 680 nm without sharp attenuation at 750 nm was present |
Aditya Singh, Bandita Rout, Ashwani Kumar Thakur, Animangsu Ghatak. “Synergistic living lubrication by microalgal suspensions.” ChemRxiv (). https://doi.org/10.26434/chemrxiv.15007877/v1
Values presented only in UV–visible, SERS, TLC, microscopy, or zeta-potential plots or images were not transcribed. The supporting information is appended to the main paper
| UV–visible absorption and zeta potential, pH 7.4 | A₇₅₀ 2.1; ζ −25.0 mV |
|---|---|
| UV–visible absorption and zeta potential, pH 6.4 | A₇₅₀ 2.1; ζ −17.6 mV |
| UV–visible absorption and zeta potential, pH 6.3 | A₇₅₀ 2.4; ζ −24.9 mV |
| UV–visible absorption and zeta potential, pH 8.35 | A₇₅₀ 2.4; ζ −22.4 mV |
| UV–visible absorption and zeta potential, pH 6.13 | A₇₅₀ 2.4; ζ −21.7 mV |
| SERS | Similar spectra with peaks at 680 cm⁻¹ (C–O–C deformation), 1000 cm⁻¹ (CH bending), 1161 cm⁻¹ (C–C stretching), and 1530 cm⁻¹ ((CH₂, CH₃) bending) |
|---|
| TLC, 14 h light and 10 h dark | Neutral and polar molecules were present |
|---|---|
| Water contact angle, 14 h light and 10 h dark | 62.5° ± 4.2° |
| TLC, 4 h light and 20 h dark | The fraction of neutral molecules decreased significantly and the polar and highly polar content increased |
| Water contact angle, 4 h light and 20 h dark | 51.1° ± 2.5° |