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Controlling beer filtration process through implementation of enzymatic and microbiological techniques

kiselguhr filtration Yeast cell cell/number ml 5-30x10 6 1-10x10 5 1-8x10 5 1-5x10 5 0-10 Turbidity EBC 223 185 210 160 0.5 Total N mg/l 90 85 55 43 40 Poliphenols mg/l 23 15 6 5 0.8 Table 4 Experimental measurements for cell number using free yeast and immobilized yeast in alginate beads (Using industrial scale wort) Number of yeast cells in sunspension (cell/ml) Free yeast fermentation Immobilized yeast fermentation Inoculation cell number 10 x 10 6 - 20 x 10 6 10 x 10 6 - 20 x

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Lachish River event monitored for toxicity using bioluminescent reporter organisms

-agar plates (NaCl 5 g L−1, yeast extract 5 g L−1, tryptone 10 g L−1, agar 15 g L−1) supplemented with 50μg/mL kanamycin for DPD1718, or 100 μg/mL ampicillin for the remaining strains. After growth overnight at 37°C, the culture plates were stored at 4°C for use in future experiments. Table 1 List of the bioluminescence bacteria Strain designation E. coli host strain Promoter Stress sensitivity Inducer used in this study Concentration Reference K802NR Psb1075 lasI Nalidixc acid (gorA) Nalidixic acid 100 mg/L ( 23 ) TV1061 RFM443

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