Biomass accumulation was expressed as dry weight per milliliter by filtering duplicate 1-mL culture samples onto a dried and pre-weighed 2.4-cmglass filter paper (G6, Fisher Scientific, Pittsburgh, PA, USA)
Biomass accumulation was expressedas dry weight per milliliter by filtering duplicate 1-mL culturesamples onto a dried and pre-weighed 2.4-cmglass filter paper(G6, Fisher Scientific, Pittsburgh, PA, USA)