Biomedical subjects
I Guillot
Publications and source records attributed to I Guillot.
[Levomepromazine-induced peripheral edema].
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[Acquired zinc deficiency in a breast-fed premature infant].
UNLABELLED: Symptomatic zinc deficiency can occur in exclusively breast-fed infants. We report a case in a preterm infant. CASE REPORT: A 3-months-old exclusively breast-fed premature infant presented with peri-orificial and acral eczematoid lesions. Laboratory investigations revealed lowered zinc levels in the infant's serum and in her mother's milk. A rapid healing occurred after oral zinc supplementation. DISCUSSION: Zinc deficiency in breast-fed infants is a rare disease caused by a low level of zinc in mother's milk. The clinical features resemble those of acrodermatitis enteropathica. Oral zinc supplementation is required until weaning.
[Bioavailability of cadmium: effect of vitamin C and phytase in broiler chickens].
Though the application of the toxic heavy metal cadmium is reduced, its concentration in soil and in feed still increases. Especially smoking habits and unbalanced diets cause cadmium intake in humans beyond the limits suggested by WHO. One possibility to reduce cadmium burden is to influence the bioavailability of cadmium in the feed by certain vitamins, trace elements and other feed components and thus to lower its content in food from animal origin. In the present study the influence of vitamin C and phytase on the bioavailability of cadmium was investigated in broiler chicken. It was shown that 1 g vitamin C per kg of feed lowered cadmium accumulation in kidney and in liver by up to 40%. Addition of phytase, a new feeding enzyme, licensed in 1992 in Germany for improving phosphate utilization from phytate, lowered cadmium accumulation by up to 60%. Therefore the addition of these two components to the feed lowers the cadmium burden in food from animal origin and thus increases its quality.
Single column ion chromatographic determination of inorganic acids in workroom places.
Single Column Ion Chromatography (SCIC) combines low capacity-columns, low conductivity eluents and a detector with considerable electronic supression capability and enables quantitation of ions at the ppm level without the need of a suppressor column associated with other forms of Ion Chromatography. Vapors and aerosols of inorganic acids are collected on filter and silica gel tubes and analyzed directly by SCIC. A conventional liquid chromatograph with a low capacity column and a conductimetric detector is used to analyze aerosols of Cl-, Br-, NO-3 and SO=4 with good results.