SwePub - search: WFRF:(Guerreiroa Antonio)

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1.	Guerreiroa, Antonio, et al. (author) Preliminary evaluation of new polymer matrix for solid-phase extraction of nonylphenol from water samples 2008 In: Analytica Chimica Acta. - : Elsevier BV. - 1873-4324 .- 0003-2670. ; 612:1, s. 99-104 Journal article (peer-reviewed)abstract Molecularly imprinted (MIP) and blank polymers with affinity for nonylphenol were designed using computational modelling. Chromatographic tests demonstrated higher affinity of imprinted polymers towards the template nonylphenol as compared with blank polymers. The performance of both polymers in solid-phase extraction was however very similar. Both blank and imprinted polymers appeared to be suitable for the removal and pre-concentration of nonylphenol from contaminated water samples with 99% efficiency of the recovery. The commercial resins PH(EC) (Biotage) and C18 (Varian) tested in the same conditions used for comparative purposes had recovery rate < 84%. The polymer capacity for nonylphenol was 231 mg g(-1) for blank and 228 mg g(-1) for MIR The synthesised materials can have significance for sample pre- concentration and environmental analysis of this class of compounds.

Guerreiroa, Antonio, et al. (author)
Preliminary evaluation of new polymer matrix for solid-phase extraction of nonylphenol from water samples
2008
In: Analytica Chimica Acta. - : Elsevier BV. - 1873-4324 .- 0003-2670. ; 612:1, s. 99-104
Journal article (peer-reviewed)abstract
- Molecularly imprinted (MIP) and blank polymers with affinity for nonylphenol were designed using computational modelling. Chromatographic tests demonstrated higher affinity of imprinted polymers towards the template nonylphenol as compared with blank polymers. The performance of both polymers in solid-phase extraction was however very similar. Both blank and imprinted polymers appeared to be suitable for the removal and pre-concentration of nonylphenol from contaminated water samples with 99% efficiency of the recovery. The commercial resins PH(EC) (Biotage) and C18 (Varian) tested in the same conditions used for comparative purposes had recovery rate < 84%. The polymer capacity for nonylphenol was 231 mg g(-1) for blank and 228 mg g(-1) for MIR The synthesised materials can have significance for sample pre- concentration and environmental analysis of this class of compounds.

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