Reversed-phase high pressure liquid chromatography (HPLC) was used for the separation of the alpha, beta, (A)gamma and (G)gamma chains from human blood samples. The alpha and beta chains were normally eluted close together, but their separation was improved by coupling 2 or 3 columns in series, or by increasing the temperature of the columns. This method has been applied for the determination o...

In this article, an interference caused by hemoglobin H (Hb H), during the measurement of hemoglobin A1c (HbA1c) with ion exchange high pressure liquid chromatography (HPLC) method, was presented in blood sample of a 20-year-old male patient. HbA1c measurement was performed with Agilent 1200 HPLC system using a commercial Recipe HbA1c ion-exchange column. Hemoglobin electrophoresis was performe...

Garrido JL and Zapata M (1996) Ion-pair reversed-phase high-performance liquid chromatography of algal chlorophylls. Journal of Chromatography A 738: 285. Hodgson DA, Wright SW and Davies N (1997) Mass spectrometry and reverse phase HPLC techniques for the identiRcation of degraded fossil pigments in lake sediments and their application in palaeolimnology. Journal of Paleolimnology 18: 335. Jef...

The Sebia Capillarys (capillary zone electrophoresis [CE]) and the Primus Resolution high-pressure liquid chromatography (HPLC) were used to prospectively evaluate 297 samples for hemoglobinopathies. Hemoglobin (Hb) A levels were similar on both techniques (mean, 96.2% and SD, 5.7% by CE; mean, 96.8% and SD, 5.5% by HPLC), but HbA2 levels were higher by CE (mean, 2.8%; SD, 0.8%) than by HPLC (m...

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In the view of high birth rate, a large burden of preventable mental retardation in the form of aminoaciduria occurs in developing country like India. While neonatal screening by tandem mass spectrometry (TMS) and HPLC (High Pressure Liquid Chromatography) is almost universal in developed countries but scarce in India due to high cost. Hence, this study was planned to asses thin layer chromatog...

Modern chromatography by virtue offantastic capabilities for separation, qharacterization, quantitation and fractionation has emerged as a potential analytical technique for hydrocarbon industry. Presently the gas chromatography alongwith high performance liquid chromatography coverwide range ofapplications in diversified areas including Basic and applied research. Availability of large number ...

Propolis is a natural resin of a variety of plant origins collected by honeybees to seal gaps and cracks in their hives. Propolis was used as a remedy of various diseases due to its versatile biological activities. At least 200 compounds have been identified in the world. The present study aimed to investigate the chemical composition of two samples of Sudanese propolis collected from El-Faki H...