PURPOSE To measure the refractive index (RI) of the mammalian corneal stroma in relation to hydration in vitro and human corneal stroma before and after LASIK. METHODS RI at the anterior stromal surface of bovine corneal buttons was measured after the epithelium was scraped away. Samples were weighed and oven dried to calculate hydration. RI of the stromal bed surface was measured with a modi...

Objective- This survey was accomplished to describe the hepatic artery and portal vein indices in healthy domestic cats by color Doppler ultrasonography technique. Design- Retrospective experimental study. Animals- Twenty domestic short hair (DSH) cats (10 males and 10 females). Procedures- Doppler indices of ...

(xi − xj) . The patterns appear in geometry, characterizing some families of Schubert varieties. Schubert varieties are indexed by permutations, and the varieties which are non singular are those whose indexing permutation does not contain the pattern 2143 nor the pattern 1324. In [2], Cortez has described geometrical properties of Schubert varieties for permutations avoiding the patterns 1324 ...

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PURPOSE To determine the role of duplex Doppler ultrasonography (DDU) in patients with acute unilateral renal obstruction. SUBJECTS AND METHODS A total of 161 patients with suspected renal colic due to urolithiasis were evaluated by DDU followed by intravenous urography (IVU). The mean intra-arterial resistive index (RI) and the difference of mean resistive index between both kidneys (delta R...

Radioisotopes (RI) such as 3H, 14C, 32P, and 45Ca are excellent tools in biological research. Most RI are used as tracers in studies of primary and secondary metabolism, drug metabolism, transcription, translation, post-translational modifications such as protein phosphorylation, association of proteins with metals, and transport of metals across biomembranes. Furthermore, some experiments have...

Select members of the bovine pancreatic ribonuclease A (RNase A) superfamily are potent cytotoxins. These cytotoxic ribonucleases enter the cytosol, where they degrade cellular RNA and cause cell death. Ribonuclease inhibitor (RI), a cytosolic protein, binds to members of the RNase A superfamily with inhibition constants that span 10 orders of magnitude. Here, we show that the affinity of a rib...

Patients requiring liver transplantation (LT) frequently experience renal insufficiency (RI), which affects their survival. Although calcineurin inhibitor-sparing immunosuppressive regimens (CSRs) are well known to prevent RI, the immune state in recipients receiving CSR remains to be intensively investigated. Among 60 cases of living-donor LT at our institute, 68% of the patients had none to m...

Research in Attention-Deficit/Hyperactivity Disorder (ADHD) generally utilizes clinical samples or children with comorbid psychiatric diagnoses. Findings indicated that children with ADHD experience academic underachievement and poor performance on measures of response inhibition (RI). Less is known, about the neuropsychological profile of typically developing children with ADHD. The aim of the...

A role for immunoglobulin E and its high affinity receptor (Fc epsilon RI) in the control of bacterial pathogenicity and intestinal inflammation has been suggested, but relevant animal models are lacking. Here we compare transgenic mice expressing a humanized Fc epsilon RI (hFc epsilon RI), with a cell distribution similar to that in humans, to Fc epsilon RI-deficient animals. In hFc epsilon RI...