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Issue 9, 2011
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Development and validation of a fast RP-HPLC method to determine the analogue of the thyroid hormone, 3,5,3′-triiodothyroacetic acid (TRIAC), in polymeric nanoparticles

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Abstract

The objective of this work was to develop and validate a rapid Reversed-Phase High-Performance Liquid Chromatography method for the quantification of 3,5,3′-triiodothyroacetic acid (TRIAC) in nanoparticles delivery system prepared in different polymeric matrices. Special attention was given to developing a reliable reproductive technique for the pretreatment of the samples. Chromatographic runs were performed on an Agilent 1200 Series HPLC with a RP Phenomenex® Gemini C18 (150 × 4, 6 mm i.d., 5 μm) column using acetonitrile and triethylamine buffer 0.1% (TEA) (40 : 60 v/v) as a mobile phase in an isocratic elution, pH 5.6 at a flow rate of 1 ml min−1. TRIAC was detected at a wavelength of 220 nm. The injection volume was 20 μl and the column temperature was maintained at 35 °C. The validation characteristics included accuracy, precision, specificity, linearity, recovery, and robustness. The standard curve was found to have a linear relationship (r2 = 0.9996) over the analytical range of 5–100 μg ml−1. The detection and quantitation limits were 1.3 and 3.8 μg ml−1, respectively. The recovery and loaded TRIAC in colloidal system delivery was nearly 100% and 98%, respectively. The method was successfully applied in polycaprolactone, polyhydroxybutyrate, and polymethylmethacrylate nanoparticles.

Graphical abstract: Development and validation of a fast RP-HPLC method to determine the analogue of the thyroid hormone, 3,5,3′-triiodothyroacetic acid (TRIAC), in polymeric nanoparticles

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Publication details

The article was received on 22 Mar 2011, accepted on 13 May 2011 and first published on 04 Jul 2011


Article type: Paper
DOI: 10.1039/C1AY05169E
Anal. Methods, 2011,3, 1936-1942

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    Development and validation of a fast RP-HPLC method to determine the analogue of the thyroid hormone, 3,5,3′-triiodothyroacetic acid (TRIAC), in polymeric nanoparticles

    K. C. dos Santos, M. F. G. F. da Silva, J. B. Fernandes, P. C. Vieira, I. Polikarpov, V. Zucolotto and M. R. Forim, Anal. Methods, 2011, 3, 1936
    DOI: 10.1039/C1AY05169E

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