| 3D | three-dimensional |
| AB | Alcian Blue |
| BG11 | Blue-Green Medium |
| BCA | bicinchoninic acid |
| BSA | Bovine serum albumin |
| BSCs | Biological Soil Crusts |
| hMSCs | human Lin-Sca-1+ cardiac mesenchymal stem cells |
| DMEM | Dulbecco’s Modified Eagle Medium |
| EPS | Extracellular Polymeric Substances |
| ePBR | emerse photobioreactor |
| FA | fatty acids |
| FAME | Fatty Acid Methyl Esters |
| FBS | fetal bovine serum |
| FT-IR | Fourier Transform Infrared Spectroscopy |
| Hy | hydrogel |
| MUFA | monounsaturated FA |
| PBR | photobioreactor |
| PUFA | polyunsaturated FA |
| PEGDa | PEG-diacrylate |
| PFA | paraformaldehyde |
| REPS | Released Extracellular Polymeric Substances |
| REPS-Hy | REPS PEGDa-hydrogel |
| RP-HPLC | Reversed Phase-High-Performance Liquid Chromatography |
| SAFA | saturated FA |
| SD | standard deviations |
| SEM | standard errors of the mean |
| TST | thiosulfate: cyanide sulfur transferase |
| TFA | trifluoroacetic acid |
| WST-1 | 4-[3-(4-lodophenyl)-2-(4-nitrophenyl)-2H-5-tetrazolio]-1,3-benzene disulfonate |
| WU | water uptake |