Fractionating and Determination of the Soluble Microbial Products

  • Bing-Jie Ni
Part of the Springer Theses book series (Springer Theses, volume 131)


The subfractions of the soluble microbial products (SMP), i.e., utilization-associated products (UAP), and biomass-associated products (BAP), were characterized in terms of formation sequence, MW and chemical natures, using MW and dissolved organic carbon (DOC) measurements, coupled with oxygen utilization rate determination, polysaccharide and protein measurement, 3-dimensional excitation emission matrix (EEM) fluorescence spectroscopy, and Fourier transform infrared spectroscopy (FTIR) analysis. A new approach for determining SMP, UAP and BAP, and their production kinetics was then established. The relationships among the formation of the three subfractions of the SMP and the substrate utilization, as well as the SMP formation mechanisms, were elucidated.


Activate Sludge Extracellular Polymeric Substance Soluble Microbial Product External Substrate Excitation Emission Matrix 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Bing-Jie Ni
    • 1
  1. 1.Advanced Water Management CentreThe University of QueenslandSt. Lucia BrisbaneAustralia

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