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Simple, sensitive and reliable high-performance liquid chromatographic methods are reported for the determination of pindolol enantiomers in human serum and urine. The methods involved a solid-phase extraction of serum and a direct injection of urine samples. The separation of R(+)- and S(-)-pindolol was accomplished on a reversed-phase cellulose-based(More)
With the increase in the amount of data processing the importance of distributed computational systems is rising. The efficiency of the task scheduling algorithms used in distributed computational systems is one of the major challenges for the architecture of such systems. This paper presents and introduces a new task scheduling algorithm suggested for(More)
We have previously shown that [D-Trp(32)]NPY can competitively antagonize NPY-induced feeding in rats (Balasubramaniam et al. J. Med. Chem. 1994, 37, 811-815). This peptide, however, did not bind to SK-N-MC cells with Y-1 receptors. Since centrally truncated NPY analogs have been shown to bind Y-1 receptors, we synthesized similar analogs of [D-Trp(32)]NPY(More)
  • M Ujhelyi
  • 1983
Seryl tRNA (anticodon GCU) from mammalian mitochondria shows in comparison to other mitochondrial tRNAs additional special features differing from the generalized tRNA model. When arranged in the traditional cloverleaf form, eight bases fall within the T psi C loop, and the entire dihydrouridine loop is lacking. This seryl tRNA molecule is therefore shorter(More)
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