Πλοήγηση ανά Θέμα "HPLC"
Αποτελέσματα 1-13 από 13
-
The application of an improved method for trans-resveratrol to determine the origin of Greek red wines
(2001)A rapid and sensitive method has been developed for the determination of trans-resveratrol in wine. This method consists of a solid phase extraction step followed by a rapid HPLC quantification step (30 min). The improvement ... -
Detection of microcystins in Pamvotis lake water and assessment of cyanobacterial bloom toxicity
(2012)Lake Pamvotis is a shallow, eutrophic Mediterranean lake with ecological significance. This paper deals with the evaluation of cyanobacterial toxicity in Lake Pamvotis. ELISA and HPLC revealed the presence of significant ... -
Development and validation of an HPLC-DAD method for the simultaneous determination of most common rice pesticides in paddy water systems
(2012)Rice crop is mainly cultivated in large river basins which constitute unique ecosystems and their ecological quality is invaluable. However, the high loads of pesticides used in rice cultivation contribute to the contamination ... -
Effects of L-Carnitine on Oxidative Stress Responses in Patients with Renal Disease
(2010)FATOUROS, I. G., I. DOUROUDOS, S. PANAGOUTSOS, P. PASADAKIS, M. G. NIKOLAIDIS, A. CHATZINIKOLAOU, A. SOVATZIDIS, Y. MICHAILIDIS, A. Z. JAMURTAS, D. MANDALIDIS, K. TAXILDARIS, and V. VARGEMEZIS. Effects of L-Carnitine on ... -
HPLC Analysis of Antipsychotic Asenapine in Alternative Biomatrices: Hair and Nail Clippings
(2015)Asenapine is a novel atypical antipsychotic drug for the treatment of schizophrenia and acute mania. Although some analytical methods have been published on the determination of the drug in conventional biological samples, ... -
Identification of red natural dyes in post-byzantine icons by HPLC
(2005)A high performance liquid chromatography (HPLC) methodology, combined with UV-Vis Diode Array Detection, is developed for the separation and identification of five reddish natural dyestuffs: cochineal, madder, lac dye, ... -
Impact of Nitrogen and Sulfur Fertilization on the Composition of Glucosinolates in Relation to Sulfur Assimilation in Different Plant Organs of Broccoli
(2009)Broccoli (Brassica oleracea var. italica) is one of the most important winter season vegetables and a rich source of chemoprotective molecules, including glucosinolates (GSL). The aim of this study was to investigate the ... -
In vivo evaluation of CUP1A2 and CYP2A6 activities in a Greek population during menopause
(2008)Human CYP enzyme system is involved in the metabolism of various endogenous compounds. Previous studies have shown that CYP activity is influenced by age and gender. In the present study caffeine metabolites were used for ... -
In vivo evaluation of CYP1A2 CYP2A6, NAT-2 and xanthine oxidase activities in a Greek population sample by the RP-HPLC monitoring of caffeine metabolic ratios
(2007)A RP-HPLC method was developed for the assessment of caffeine and its metabolites in urine and was used for the evaluation of the CYP1A2, CYP2A6, xanthine oxidase (XO) and N-acetyl-transferase-2 (NAT-2) in vivo activities ... -
Instrumental and sensory analysis of Greek wines; implementation of principal component analysis (PCA) for classification according to geographical origin
(2001)Wine is one of the most important products of Greece and other Mediterranean countries. Adulteration of wines, either in terms of geographical origin or variety, has been a major topic of debate and extensive research. ... -
A multi-residue method for pesticide residue analysis in rice grains using matrix solid-phase dispersion extraction and high-performance liquid chromatography-diode array detection
(2010)Pesticides are widely used in rice cultivation, often resulting in detection of their residues in rice grains. So far, no analytical method has been available for the simultaneous determination of most rice pesticides in ... -
Novel quality control methods in conjunction with chemometrics (multivariate analysis) for detecting honey authenticity
(2005)The importance of honey has been recently upgraded because of its nutrient and therapeutic effect. The adulteration of honey increased exponentially in terms of both geographic and/or botanical origin. Therefore, the need ... -
Occurrence of aflatoxin M-1 in raw and market milk commercialized in Greece
(2002)From December 1999 to May 2000, 114 samples of pasteurized, ultrahigh temperature-treated (UHT) and concentrated milk were collected in supermarkets, whereas 52 raw milk samples from cow, sheep and goat were obtained from ...