Figure 2.

Characteristic LC–OCD–OND spectrum of EPS extracted from field biofilm samples. Peaks represent different fractions of EPS: biopolymers, building blocks of humic acids, low-molecular-weight acids, and neutral compounds.12

Characteristic LC–OCD–OND spectrum of EPS extracted from field biofilm samples. Peaks represent different fractions of EPS: biopolymers, building blocks of humic acids, low-molecular-weight acids, and neutral compounds.12