COA of Formula: C23H32O2In 2021, Pontoni, Ludovico;Roviello, Valentina;Race, Marco;Savignano, Luigi;van Hullebusch, Eric D.;Esposito, Giovanni;Pirozzi, Francesco;Fabbricino, Massimiliano published 《Supramolecular aggregation of colloidal natural organic matter masks priority pollutants released in water from peat soil》. 《Environmental Research》published the findings. The article contains the following contents:
Natural organic matter (NOM) from Sphagnum peat soil is extracted in water and subjected to several investigations to obtain structural and conformational information. Data show that the extracted NOM is self-organized in colloidal aggregates of variable sizes (from nano to micro scales, depending on the solvent composition, i.e., ultrapure water, solutions with denaturing agents, acetone, ethanol). Aggregates are formed by highly heterogeneous classes of organic compounds According to the results of NMR and fluorescence measurements, the three-dimensional structure of aggregates, revealed by scanning electron microscope imaging, is supposed to be stabilized by the exposition of polar functional groups to the solvent, with consequent formation of hydrogen bonds, dipole-interactions and cation bridging. In contrast, the inner part of the aggregates displays hydrophobic features and is hypothesized to be further reinforced by the establishment of π-stacking interactions. The structure is assumed to be a supramol. aggregation of small-medium oligomeric fragments (Max 750 Da) in which priority pollutants are entrapped by dispersive forces. The structures are shown to be nanosized spheroidal particles further aggregated to form higher dimension supra-structures. Carbohydrates play primary role, stabilizing the structure and giving marked hydrophilic properties to the aggregates. And 2,2-Methylenebis(6-tert-butyl-p-cresol) (cas: 119-47-1) was used in the research process.
COA of Formula: C23H32O22,2′-Methylenebis(4-methyl-6-tert-butylphenol)(CAS: 119-47-1) is a natural product found in Streptomyces and Aspergillus fumigatus .
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