Characterization of autotrophic and heterotrophic soluble microbial product (SMP) fractions from activated sludge Characterization of autotrophic and heterotrophic soluble microbial product (SMP) fractions from activated sludge Link to Article Author(s): Xie, Wen-Ming,Ni, Bing-Jie,Seviour, Thomas,Sheng, Guo-Ping and Yu, Han-Qing Reference: Water Research (2012), 46: 6210-6217 Research Cluster(s): Biofilm Biology Cluster Theme(s):