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Determination of temporary dye Basic Red 51 in commercial hair dye, river water and wastewater from hairdressing salon using graphite-epoxy composite electrode modified with magnetic nanoparticles
(2020-12-01)
The present work reports the development of a simple, fast and inexpensive method for the determination of Basic Red 51 (BR 51) dye, known to be widely employed in comercial formulations of temporary dyes. The method ...
Assessment of several advanced oxidation processes applied in the treatment of environmental concern constituents from a real hair dye wastewater
(2018-04-01)
Currently, little information is available regarding the presence of compounds from raw hair dyeing wastewater. It is known that the most commonly commercial formulations contain components with toxic properties and some ...
Assessment of the compounds formed by oxidative reaction between p-toluenediamine and p-aminophenol in hair dyeing processes: Detection, mutagenic and toxicological properties
(2021-11-15)
Previous studies have demonstrated the presence of precursors and coupling agents in wastewater from hair dyeing processes. The complex reaction involved in the oxidation of these compounds can generate extremely hazardous ...
Assessment of the autoxidation mechanism of p-toluenediamine by air and hydrogen peroxide and determination of mutagenic environmental contaminant in beauty salon effluent
(2019-10-01)
The present work investigated the autoxidation reaction of p-toluenediamine (PTD) - a precursor - widely used in permanent hair dyeing formulation, under experimental conditions close to the hair dyeing process (oxygen ...
Evaluación de la remoción del tinte capilar azul plata en una muestra de agua utilizando carbón activado obtenido a partir de cáscaras de bananas
(Corporación Universidad de la CostaIngeniería Ambiental, 2021)
Evaluación del uso de nanomateriales basados en hierro y/o cobre para promover la degradación de los antihipertensivos Losartán y Valsartán.
(Universidad Nacional de Colombia - Sede MedellínMedellín - Ciencias - Maestría en Ciencias - QuímicaEscuela de químicaFacultad de CienciasMedellínUniversidad Nacional de Colombia - Sede Medellín, 2021-08-27)
En esta investigación se sintetizaron distintos nanomateriales basados en óxidos de hierro por rutas sintéticas verdes, y se evaluó su actividad catalítica en la remoción de contaminantes emergentes. Siete nanopartículas ...
Adsorbentes naturales en la mitigación del impacto adverso causado por derrames de crudo en fuentes hídricas
El uso del bagazo de la caña de azúcar y de la Luffa cylindrica, como adsorbentes naturales para la atención primaria de derrames de petróleo sobre cuerpos de agua, permite mitigar impactos adversos sobre el medio ambiente, ...
Development of an integrated fermentation and formulation approach for the endophytic bacterium Kosakonia radicincitans DSM16656T as a novel plant biostimulant
(Universidad Nacional de Colombia - Sede Bogotá, 2019)
Plant growth-promoting bacterial endophytes or PGPBE are considered the future of plants growth bio-stimulators, based on their undeniable advantageous over epiphytic microorganism commonly applied to enhance host plant ...