生物膜
生物量(生态学)
微观结构
多孔性
产量(工程)
星团(航天器)
化学
化学工程
材料科学
生物
复合材料
细菌
生态学
有机化学
结晶学
遗传学
计算机科学
程序设计语言
工程类
作者
Yi Wang,Xinru Zhang,Yuyang Wu,Guangming Sun,Zeyi Jiang,Siyuan Hao,Shiya Ye,Hu Zhang,Fan Zhang,Xinxin Zhang
标识
DOI:10.1016/j.biortech.2023.130052
摘要
Microalgae coculture has the potential to promote microalgae biofilm growth. Herein, three two-species cocultured biofilms were studied by determining biomass yields and detailed microstructure parameters, including porosity, average pore length, average cluster length, etc. It was found that biomass yields could reduce by 21–53 % when biofilm porosities decreased from about 35 % to 20 %; while at similar porosities (∼20 %), biomass yields of cocultured biofilms increased by 37 % when they possessed uniform microstructure and small cell-clusters (pores and clusters of 1 ∼ 10 μm accounted for 96 % and 68 %, respectively). By analyzing morphologies and surface properties of cells, it was found that cells with small size, spherical shape, and reduced surface polymers could hinder the cell-clusters formation, thereby promoting biomass yields. The study would provide new insights into choosing cocultured microalgae species for improving the biomass yield of biofilm via manipulating biofilm microstructures.
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