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Introduction Phenol is an organic compound of an anthropogenic origin, which is widely used in phenolic resins and plywood adhesives among others, and is also found in petroleum products, such as coal tar and creosote [ 1

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. P andino , G. , L ombardo , S. , M auromicale , G. & W illiamson , G. ( 2011 ): Profile of polyphenols and phenolic acids in bracts and receptacles of globe artichoke ( Cynara cardunculus var. scolymus ) germplasm . J. Food Compos. Anal

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Introduction: In patients with chronic kidney disease (CKD), uremic toxins accumulate in blood and cannot be excreted with urine. Accumulation of these toxins has negative effects on many body functions. Because of the importance of these toxins, we developed and validated a simple, sensitive, accurate, and precise method for the determination of two main uremic toxins: phenol and p-cresol in human urine. Materials and methods: Separation of these analytes in urine samples was achieved by reverse-phase high-performance liquid chromatography (RP-HPLC) with a C18 column at 35 °C using the mobile phase of methanol–water (65:35) at a flow rate of 1.4 mL min−1. Fluorimetric detection was used at 284 nm for excitation and 310 nm for emission. Results: The method is linear over the range of 1.5–35 ng mL−1 and 1–45 ng mL−1 for phenol and p-cresol, respectively. The method was applied to urine samples from 10 healthy subjects and 10 chronic kidney disease patients. Conclusions: This assay appears to be useful in routine analysis of clinical samples for simultaneous determination of phenol and p-cresol levels in urine.

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Abstract

O-Alkylation of phenol compounds was performed in a continuous flow apparatus under biphasic liquid/liquid conditions and promoted by tetrabutylammonium bromide (TBAB) as a phase-transfer catalyst. The segmented flow that is generated within the flow system is able to afford the desired ethers in high yield and in very short times.

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49 5679 5684 Asami, D.K, Hong, Y.-J., Barret, D.M., Mitchell, A.E. 2003. Comparison of the total phenolic and ascorbic acid content of freeze

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CeO2-catalyzed ozonation of phenol

The role of cerium citrate as precursor of CeO2

Journal of Thermal Analysis and Calorimetry
Authors: M. F. Pinheiro da Silva, L. S. Soeira, K. R. P. Daghastanli, T. S. Martins, I. M. Cuccovia, R. S. Freire, and P. C. Isolani

mineralization rates of organic pollutants [ 22 , 23 ]. In this study, CeO 2 , in three morphological forms, was used for catalytic ozonation of phenol. The correlation between properties of citrate-based precursors of oxides, oxide morphologies, and

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Journal of Thermal Analysis and Calorimetry
Authors: M. V. Alonso, M. Oliet, J. C. Domínguez, E. Rojo, and F. Rodríguez

Introduction The manufacturing process of phenol–formaldehyde (PF) resins has remained unchanged for several decades. However, numerous efforts have been carried out to reduce the dependence of this industry on phenol, the cost

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Amarowich, R., Weidner, S. (2009) Biological activity of grapevine phenolic compounds. In: Roubelakis-Angelakis, K. A. (ed.) Grapevine Molecular Physiology and Biotechnology . Springer Science+Business Media B

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Acta Alimentaria
Authors: N. Koczka, A. Ombódi, Z. Móczár, and E. Stefanovits-Bányai

OBUS , J. , F LACZYK , E. , S IGER , A. , N OGALA-KALUCKA , M. ; K ORCZAK , J. & P EGG , R.B. ( 2009 ): Phenolic compounds and antioxidant activity of extracts of Ginkgo leaves . Eur. J. Lipid Sci. Tech. , 111 , 1150 – 1160

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. ( 2012 ): Phenolic profiles and antioxidant activity of litchi ( Litchi chinensis Sonn.) fruit pericarp from different commercially available cultivars . Molecules , 17 , 14954 – 14567

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