Response surface methodology

Development and validation of a sampling and analysis method to determine biogenic sulfur in a desulfurization bioreactor by gas chromatography coupled with a pulsed flame photometric detector (GC-PFPD)

Publicaciones 2022

Publicada mayo 13, 2022

DOI 10.1016/j.jhazmat.2021.127667 KEYWORDS Biogenic sulfur; GC-PFPD; toluene; filtration; response surface methodology ABSTRACT Suspended biomass bioreactors can be operated to remove H2S from biogas under anoxic conditions and produce elemental sulfur, the commercial value of which has been demonstrated. In the present paper, a novel methodology comprising the optimization of a determination method performed in a gas chromatograph equipped with a […]

Optimization of an Ultrasound-Assisted Extraction Method Applied to the Extraction of Flavonoids from Moringa Leaves (Moringa oleífera Lam.)

Publicaciones 2022

Publicada mayo 13, 2022

DOI 10.3390/agronomy12020261 KEYWORDS Box–Behnken design; flavonoids; Moringa oleifera; response surface methodology; ultrasound-assisted extraction; UHPLC-QToF-MS ABSTRACT Interest in phenolic compounds has recently increased due to their potential as antioxidant agents. Moringa leaves (Moringa oleifera) have a high content of phenolic compounds, which presents them as a promising source for the extraction of these compounds. However, it is necessary to use analytical […]

Optimization of nickel and cobalt biosorption by native Serratia marcescens strains isolated from serpentine deposits using response surface methodology

Publicaciones 2022

Publicada mayo 13, 2022

DOI 10.1007/s10661-022-09816-w KEYWORDS Biosorption; nickel; cobalt; serratia marcescens; response surface methodology; serpentine ABSTRACT The treatment of metal-polluted wastes is a challenging issue of environmental concern. Metals can be removed using microbial biomass, and this is an interesting approach towards the design of eco-friendly technologies for liquid waste treatment. The study reported here aimed to optimize nickel […]

An ultrasound-based technique for the analytical extraction of phenolic compounds in red algae

Publicaciones 2022

Publicada mayo 11, 2022

DOI 10.1016/j.arabjc.2021.103597 KEYWORDS Rhodophyta; optimization; box-Behnken design; response surface methodology; method validation ABSTRACT Phenolic compounds are bioactive compounds that are also naturally found in red algae. To determine the level of these compounds in the red algae, spectroscopic or chromatographic determination was applied over the liquid extracts. Therefore, a prior extraction method is needed. The presented study aimed to develop […]

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UniversidaddeCádiz

UniversidaddeCádiz