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. 2017 Dec 27;8(2):81–89. doi: 10.15171/bi.2018.10

Table 3. Optimum conditions of ZnO NPs biosynthesis by bacterium .

Factors Level Contribution
A 2 0.098
B 3 0.146
C 3 0.201
Total contribution from all factors - 0.445
Current grand average of performance - 0.416
Expected result at optimum condition - 0.861