List of figures
7
Figure 1: Chemical structures of PHB in comparison to commonly used petroleum-based
polymers (polyethylene terephthalate (PET), polyvinylchloride (PVC), PP ........................... 18
Figure 2: Spirulina Platensis powder ..................................................................................... 23
Figure 3: Tightly coiled morphology of Spirulina .................................................................. 26
Figure 4: Straight uncoiled form of Spirulina ......................................................................... 26
Figure 5: the purchased spirulina platensis living culture ...................................................... 34
Figure 6: spirulina platensis and the nutrient medium. ........................................................... 34
Figure 7: spirulina platensis medium's powder ....................................................................... 34
Figure 8: weighing of medium powder .................................................................................. 35
Figure 9: mixing medium with water...................................................................................... 35
Figure 10: adding spirulina to the medium ............................................................................. 35
Figure 11: the freshly seeded spirulina culture ....................................................................... 35
Figure 12: spirulina platensis culture inside the aquarium ..................................................... 35
Figure 13: pH meter ................................................................................................................ 36
Figure 14: Thermometer ......................................................................................................... 36
Figure 15: NaOH ................................................................................................................... 36
Figure 16: HCl ....................................................................................................................... 36
Figure 17: Adding 2 ml of nutrient medium ........................................................................... 36
Figure 18: mixing spirulina culture........................................................................................ 36
Figure 19: Concentrated spirulina culture with a fresh culture medium ................................. 36
Figure 20: pouring the spirulina into a fresh medium ............................................................ 36
Figure 21: Results after reseeding ........................................................................................... 36
Figure 22: LMK culture medium ingredients ......................................................................... 37
Figure 23: The mixture of the culture medium ingredients ................................................... 37
Figure 24: mixing LMK medium ingredients with water ...................................................... 37