Table 1 Major composition of ES solution extracted from S. cerevisiae in 1.0 mmol L−1 NaCl for 72 hours of incubation.

From: The competing effects of microbially derived polymeric and low molecular-weight substances on the dispersibility of CeO2 nanoparticles

Compound

Concentration

ES

PS

SS

ES29

Dissolved Organic Carbon (mg L−2)

172 ± 7.4

23.3 ± 0.1

36.1 ± 0.3

72.3 ± 19.5

Dissolved Nitrogen (mg L−1)

84.2 ± 3.7

9.67 ± 0.02

20.1 ± 0.1

41.5 ± 11.2

Total phosphate (mmol L−1)

0.59 ± 0.003

0.090 ± 0.001

0.107 ± 0.001

0.157 ± 0.07

K+ (mmol L−1)

0.44 ± 0.002

0.016 ± 3E-04

0.108 ± 0.001

0.489 ± 0.03

  1. PS stands for the polymer substances >1 kDa contained in ES. SS stands for the small substances <1 kDa.
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