Enhancing atrazine biodegradation by Pseudomonas sp. strain ADP adsorption to Layered Double Hydroxide bionanocomposites

Bacteria encapsulated in layered double hydroxides: Towards an efficient bionanohybrid for pollutant degradation

“…It is worth noting that no sorption of atrazine occurred on LDH. Similar behaviour was previously observed for adsorbed ADP onto LDH [34,35], evidencing that the ADP bacterial metabolic activity was systematically promoted, regardless of the immobilization method and the interactions between ADP and LDH. Moreover, the direct A c c e p t e d M a n u s c r i p t 17 LDH formation involving acidic metal salt and basic agent in presence of ADP does not induce denaturation of proteins or cell death as observed in using sol-gel procedure [37].…”

“…5) [34], such high amount of inorganic matter may limit to some extend the solution diffusion to the cell and consequently To gain better insight on the cell stability which is of major importance for bionanocomposite applications, biocatalysts were thoroughly washed by centrifugation after the first biodegradation experiment and reuse to biodegrade atrazine under the same conditions. Fig.…”

“…In parallel, thanks to electrostatic interactions between a NiAlCO 3 LDH and the bacterial Bacillus subtilis cells, biogranule-like aggregate formation and their efficiency for methylene blue decolourisation have been reported [32,33]. In our previous works [34,35], we investigated the Pseudomanas sp. strain ADP adsorption on different Mg R Al (R = 2, 3, 4)…”

Interactions between Biological Cells and Layered Double Hydroxides: Towards Functional Materials

“…Most studies using LDH as cell supports for the development of functional materials have been carried out with bacterial cells, such as Pseudomonas sp . or Bacillus subtilis ,,,,. LDH compounds has been also applied for harvesting microalgae, a type of eukaryotic cell between 2–10 μm capable of performing photosynthesis.…”

Bioremediation of PAHs and VOCs: Advances in clay mineral–microbial interaction

“…The attachment of microbial cells on clay minerals is the dominant mechanism that enhances the rate of biodegradation (Alekseeva et al, 2011;Warr et al, 2009). Existing reports suggest that clay or clayrelated minerals (e.g., diatomite or fine-particle sediments (Holm et al, 1992) are able to immobilize bacteria and consequently improve the biodegradation of hydrocarbons.…”