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[Application of derivative spectrophotometry for determining plasma hemoglobin and semi-quantitative evaluation of urinary porphyrins]. 1990

A Iordache, and A Beamonte, and A M Soummer, and P Chambon
Laboratoire de Biochimie, Hôpital Pasteur, Centre Hospitalier Régional de Nice, France.

We described a method using second-derivative spectrophotometry with a spectrophotometer Uvikon (Kontron) for the assay of plasma hemoglobin and urinary porphyrins. We evaluated the procedure for sensitivity, linearity, analytical recovery. Non specific interference is not significant and reproductibility is excellent. This simple, rapid, sensitive, not expansive method can be adapted for use in a clinical laboratory.

UI MeSH Term Description Entries
D010108 Oxyhemoglobins A compound formed by the combination of hemoglobin and oxygen. It is a complex in which the oxygen is bound directly to the iron without causing a change from the ferrous to the ferric state. Oxycobalt Hemoglobin,Oxycobalthemoglobin,Oxyhemoglobin,Hemoglobin, Oxycobalt
D011166 Porphyrins A group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. The nature of the side chain is indicated by a prefix, as uroporphyrin, hematoporphyrin, etc. The porphyrins, in combination with iron, form the heme component in biologically significant compounds such as hemoglobin and myoglobin. Porphyrin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013053 Spectrophotometry The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.

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