Absorption tests on protein-deficient rats. Absorption of S35-tethionine and I131-mriolein

Zusammenfassung Die Wirkung der Eiweissmangeldi?t auf die Resorption von S³⁵-Methionin und J¹³¹-Triolein wurde untersucht. Die Resorption von Methionin wurde nicht wesentlich beeinflusst, w?hrend die Fettresorption nach 24t?gigem Eiweissmangel signifikant vermindert ist.      

Absorption ofL-lysine in the small intestine of rats

Zusammenfassung l-Lysin wird durch die Rattendarmschleimhaut mit einer je nach den Anfangskonzentrationen verschiedenen Geschwindigkeit absorbiert. Die anfänglichen Lysin-konzentrationen stellen beim Transport der Diaminosäure durch die Darmvilli ein die Reaktionen abschwächendes Moment dar.     

Absorption of pancreatic lipase from the duodenum into lymphatics

Summary A significantly higher lipase activity was measured in the duodenal lymph samples of 15 dogs than in each of corresponding arterial blood plasma samples collected prior to, during and after maximal hormonal stimulation of pancreatic secretion. The result may be evaluated as a sign of pancreatic lipase absorption by the duodenum into lymphatics.     

Absorption and biotransformation of L(+)-tartaric acid in rats

Summary Oral or parenteral doses of monosodium¹⁴C-L(+)-tartrate (400 mg/kg) are rapidly excreted by rats and a proportion completely metabolized to CO₂. The oral dose was well-absorbed.     

吸收马氏链在供应链优化判断中的应用

本文构建了具有一般意义的企业供应链系统及各环节对利润贡献的算法，首次运用吸收马链吸收概率的计算原理，通过对该系统各链点遍历状态和不返回状态的转换计算，对企业供应链的优化判断提供了新的数理依据，同时进行了实证分析。     

乌拉地尔缓释制剂的大鼠小肠吸收实验

目的本实验研究了乌拉地尔在大鼠小肠上、下部的吸收情况,为开发其缓释制剂提供依据.方法采用高效液相色谱法.结果回收率试验表明:乌拉地尔回收率分别为99.31%,精密度为0.8%.乌拉地尔在大鼠小肠上、下段的吸收速度常数Ka分别为0.269、0.271.T1/2分别为2.60、2.58和吸收率分别为27.29%、28.26%(P>0.05).结论:乌拉地尔在大鼠小肠上、下段的吸收率没有显著性差异,适合制备缓释制剂.     

Absorption and translocation of tetrachlorodibenzo-p-dioxine by plants from polluted soil

Summary Measurements were made of contamination of plants grown in soil polluted with tetrachlorodibenzo-p-dioxine. Findings show that the pollutant is absorbed and translocated by the plants studied and suggest that the pollutant may be eliminated in the course of time.Acknowledgment. This research was sponsored by the Regional Government of Lombardy, Italy. The authors would like to thank Prof. Marrè for his continuous interest and for the fruitful discussion.     

Absorption of protein in the early postoperative period in chronic conscious dogs

Postoperative alterations in amino acid exchange across the intestinal tract and in the capacity for protein absorption were investigated in a chronic canine model. Changes in postoperative splanchnic amino acid exchange consisted of a temporary decrease of total splanchnic amino acid release, including a significant reduction in alanine production, and an increase in glutamine consumption. Contrary to results under stable metabolic conditions, branched chain amino acids were also taken up by the intestine in the early postoperative period. The changes in postoperative amino acid exchange were not, however, reflected by a corresponding alteration in protein transport capacity. The absorptive capacity for a protein hydrolysate remained stable during the early postoperative period.     

Absorption and excretion of benzpyrene in the cockroach (Periplaneta americana)

Résumé Le benzopyrène le pyrène et l'anthracène peuvent être révélés au moyen du spectrophotomètre dans les extraits de tissu des blattes (Periplaneta americana) nourries avec ces hydrocarbures; ils sont excrétés lorsqu'on interrompt l'alimentation.

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Supported by grant CA 01469-11 from the National Cancer Institute, Public Health Service.     

Absorption of glycine and proline from the small intestine of rats infected withEimeria nieschulzi

Summary The absorption of glycine and proline through the jejunum and ileum of rats with anEimeria nieschulzi infection was impaired when the amino acids were presented to the mucosal surface as either a mixture or the dipeptide, glycyl-proline.     

Absorption of iron from gut into blood: Sex- and time-related studies in rats

Summary As judged from 2-h blood level curves, adult female rats absorbed more Fe^II per cm² of gross duodenal mucosa than adult male rats. By contrast, the 2-h blood level curves per cm² of mucosa of proximal jejunum did not differ significantly in male and female rats although in both sexes, iron was absorbed more efficiently from the duodenum. This research was supported by grant RO1 AM 12381 from the National Institute of arthritis, Diabetes and Digestive and Kidney Diseases, National Institutes of Health.     

Absorption of glycine,L-alanine and L-phenylalanine in the midgut of the larvae ofBombyx mori

Summary A net absorption of glycine, L-alanine and L-phenylalanine occurs across the isolated midgut of the larvae ofBombyx mori. Although glycine and L-phenylalanine are not metabolized, L-alanine is converted by the midgut and has a metabolic effect on the transepithelial electrical potential difference of the tissue.Acknowledgments. We are very much indebted to Prof. V. Capraro for helpful advice and criticism. We are also grateful to Prof. G. Reali for his interest and support of this research.