نتایج جستجو برای: 132
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Olfactory sensory axons target well-defined intermediate targets in the zebrafish olfactory bulb called protoglomeruli well before they form odorant receptor-specific glomeruli. A subset of olfactory sensory neurons are labeled by expression of the or111-7:IRES: GAL4 transgene whose axons terminate in the central zone (CZ) protoglomerulus. Previous work has shown that some of these axons mispro...
The tooth structure preservation is the best way to postpone more invasive therapies. Especially in young patients more conservative techniques should be applied. Bonded porcelain veneers and even more the direct composite restorations, are the two therapeutic procedures that require the fewer sacrifice of dental tissue, finalized to the optimal recovery of aesthetic and functional outcome. Alt...
BIOLOGICAL NITROGEN FIXATION OF SOME GROUNDNUTS AS AFFECTED BY GENOTYPE AND APPLIED PHOSPHORUS AT SAMARU, NORTHERN GUINEA SAVANNAH OF NIGERIA Gabasawa, A. I. and A. A. Yusuf Department of Soil Science, Faculty of Agriculture/Institute for Agricultural Research, Ahmadu Bello University, Zaria, Nigeria. *Correspondence author: [email protected] ABSTRACT Biological nitrogen fixation (BNF), b...
1 UMR 788 INSERM and Université Paris-Sud, 94276 Kremlin-Bicêtre, France 2 UMR 7237 CNRS and Université de Strasbourg, 67085 Strasbourg, France 3 UMR 666 INSERM, Strasbourg, France 4 Department of Cell and Developmental Biology, University of Colorado, Aurora, CO 80045, USA 5 Centre for Biomedical Research, Population Council, Rockefeller University, New York, NY 10065, USA 6 U566 Inserm, CEA, ...
A permutation π is said to be a Dumont permutation of the first kind if each even integer in π must be followed by a smaller integer, and each odd integer is either followed by a larger integer or is the last element of π (see, for example, www.theory.csc.uvic.ca/∼cos/inf/perm/Genocchi Info.html). In Duke Math. J. 41 (1974), 305–318, Dumont showed that certain classes of permutations on n lette...
Knockout mouse models targeting various cytochrome P450 (P450 or CYP) genes are valuable for determining P450’s biologic functions, including roles in drug metabolism and chemical toxicity. In this study, a novel Cyp2a(4/5)bgs-null mouse model was generated, in which a 1.2-megabase pair genomic fragment containing nine Cyp genes in mouse chromosome 7 (including, sequentially, Cyp2a5, 2g1, 2b19,...
We study generating functions for the number of permutations on n letters avoiding 132 and an arbitrary permutation τ on k letters, or containing τ exactly once. In several interesting cases the generating function depends only on k and is expressed via Chebyshev polynomials of the second kind. 2000 Mathematics Subject Classification: Primary 05A05, 05A15; Secondary 30B70, 42C05
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