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. 1986 May 15;155(1):56-64.
doi: 10.1016/0003-2697(86)90224-1.

High-performance liquid chromatographic separation and quantitation of tetrapyrroles from biological materials

H L Bonkovsky, S G Wood, S K Howell, P R Sinclair, B Lincoln, J F Healey, J F Sinclair

High-performance liquid chromatographic separation and quantitation of tetrapyrroles from biological materials

H L Bonkovsky et al. Anal Biochem. .

Abstract

We describe a rapid, reverse-phase HPLC procedure for separating and quantifying tetrapyrroles of biological interest. This procedure uses a 5-micron C18 column and the mobile phase is ammonium phosphate (pH 3.5) with a methanol gradient that is increased from 61 to 100%. Detection is by absorbance at 405 nm or by fluorescence. Porphyrins, heme, and the heme breakdown products, biliverdin and bilirubin, can be separated from a single injection in 25 min. Injections can be made every 40 min. Limits of detection are about 0.1 pmol for porphyrins, 5 pmol for heme, and 10 pmol for biliverdin and bilirubin. We present examples of the use of the system for separating tetrapyrroles formed by primary cultures of chick embryo hepatocytes and homogenates of rat liver.

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