This study aimed to evaluate the methyl red (MR) removal efficiency from aqueous matrices using an eco-friendly anionic surfactant (a calcium surfactant, or CaSF), obtained frying oil residue. Data by infrared spectroscopy revealed several functional groups that favor capture of dye chemisorption forming hydrogen bonds and covalent interactions. The kinetic testing results fit pseudo-second ord...

High surface area, self-organized nanoporous ZrO2 arrays with perfect adhesion to the Zr substrate were synthesized by anodization in an aqueous electrolyte containing (NH4)2SO4 and NH4F. The obtained semiconductor materials tested as photocatalysts for decolorization of methyl red (MR) a model azo dye pollutant. It was demonstrated that as-synthesized anodic layers are already crystalline and,...

A Gram-stain-negative, non-motile, rod-shaped bacterial strain, L-1(T), which was capable of degrading methyl red was isolated from a dye-manufacturing factory in China. Phenotypic, chemotaxonomic and phylogenetic analyses established affiliation of the isolate to the genus Dyadobacter . Cells occurred in pairs in young cultures but became chains of coccoid cells in old cultures, and produced a...

An agar plate method was developed for the performance of the IMVic (indole, methyl red, Voges-Proskauer, and citrate) tests in lieu of the conventional tubed liquid media. By modifying the composition of the media and adding agar, a single "X"-compartmented petri dish was prepared containing all four IMVic test media. Ease of performance and simplification of the test were achieved by inoculat...

The key to obtaining an optimum performance of an enzyme is often a question of devising a suitable enzyme and optimisation of conditions for its immobilization. In this study, laccases from the native isolates of white rot fungi Fomes fomentarius and/or Trametes versicolor, obtained from Czech forests, were used. From these, cross-linked enzyme aggregates (CLEA) were prepared and characterised...