Albert Lindenbaum

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We evaluated coproporphyrin in the first urine passed by newborn infants with and without meconium aspiration, by spectrophotometric analysis and thin-layer and "high-performance" liquid chromatography. Urines of newborn infants without meconium aspiration contained only very small quantities of coproporphyrin, detected, after partial purification, by(More)
glucose value was ϳ10% lower than the glucose value of the 0% MetHb sample; and at a measured MetHb value of 30% (i.e., approximately the concentration in our patient), the HemoCue glucose value fell by one-third. Minimal change was seen with the other glucose meters or, as described above, with the main laboratory method. These results confirm that MetHb(More)
reported by other researchers using enzymatic methods, e.g., a within-run CV (n ϭ 11) of 4.4% at 80 ␮mol/L (10) and a between-run CV (n ϭ 12) of 10.4% at 75 ␮mol/L (7). Analytical recovery was examined using plasma specimens (160 ␮L each) from a reference pool containing 30.6 ␮mol/L mannose. Samples were supplemented with 40 ␮L of water, 500 ␮mol/L mannose,(More)
Intravenously injected parahydroxyamphetamine hardly penetrates into the Central Nervous System, since, 5 minutes after injection, the tissue to plamsa concentration ratio for brain and cerebrospinal fluid amounts to 0,67 and 0,35 respectively. Its concentration in muscle is 5 times higher than in plasma. In the brain, the molecule is preferentialy taken up(More)
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