Objective: To determine blood lead levels (BLL) in a healthy paediatric population and to analyse related sociodemographic, dietary haematological factors. Methods: A cross-sectional study was made of 1427 subjects aged 1–16 years from the city Almería (south-eastern Spain). BLL, iron parameters erythropoietin were determined, sociodemographic data obtained. The paramateters analyses BLL toxic ...

The enzyme (-) S-adenosyl-L-methionine-magnesium protoporphyrin methyltransferase, which catalyzes the transfer of the methyl group from (-) S-adenosyl-L-methionine to magnesium protoporphyrin to form magnesium protoporphyrin monomethyl ester, has been detected in chloroplasts isolated from Zea mays. Zinc protoporphyrin and free protoporphyrin also act as substrates in the system, although neit...

We investigated response sensitivities of indices of iron status to controlled iron depletion and repletion in 11 premenopausal women. The women were depleted of storage iron (as reflected by serum ferritin) through a combination of a low-iron diet and phlebotomy. They then consumed a diet containing 13.7 mg of iron per 2000 kcal, supplemented with either ascorbic acid or placebo (for 5 1/2 wee...

riboflavin and protoporphyrin ix are two molecules that participate in oxidation and reduction reactions in the living cell. changing some functional groups of riboflavin and protoporphyrin ix can provide compounds with self-assembled monolayer properties with wide applications in designing the molecular electronic devices. in this study, the amphiphilic structure of riboflavin and protoporphyr...