Colonized beads as inoculum for marine biodegradability assessment: Application to Linear Alkylbenzene Sulfonate

Citation

Mauffret A, Rottiers A, Federle T, Gillan D, Hampel M, Blasco J & Temara A (2009) Colonized beads as inoculum for marine biodegradability assessment: Application to Linear Alkylbenzene Sulfonate. Environment International, 35 (6), pp. 885-892. https://doi.org/10.1016/j.envint.2009.03.007

Abstract
An innovative biodegradation test system was developed in order to fill the current gap for cost effective and environmentally relevant tools to assess marine biodegradability. Glass beads were colonized by a biofilm in an open flow-through system of seawater with continuous pre-exposure to Linear Alkylbenzene Sulfonate (LAS) (20 mu g/L). Thereafter, such colonized beads were added as inoculum in different test systems. [(14)C]-LAS (5-100 mu g/L) was added and primary and ultimate biodegradation were assessed. The bacterial density collected on the beads (10(9) bact./mL beads) was ca. 3 orders of magnitude higher than the typical seawater content. The LAS mineralization lag phase duration decreased from 55 to

Keywords
10; 100; 20; 3; ABILITY; Assessment; BACTERIAL; C; COST; DENSITIES; DENSITY; DURATION; ENCOUNTER; EXTENT; LTD; marine; ORDER; PHASE; primary; PROBABILITIES; Probability; rights; SEAWATER; SYSTEM; Systems

Journal
Environment International: Volume 35, Issue 6