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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Algebras and representation theory 1 (1998), S. 189-213 
    ISSN: 1572-9079
    Keywords: quadratic algebras ; confluence ; Koszulity ; Hilbert series
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Any quadratic algebra endowed with an ordered set of generators can bedescribed by some linear map called a reduction operator. The general lineargroup naturally acts on reduction operators, which allows us to introduceweak and strong confluence. With respect to these notions, a completeclassification for two generators and complex coefficients is obtainedshowing that weak confluence is equivalent to Koszulity in this case. Bycontrast, some Sklyanin algebras with three generators fail to be weaklyconfluent. For an arbitrary number of generators and under some assumptionson the first terms of the Hilbert series, a weak confluence hypothesis isequivalent to some rather drastic conditions which determine the whole ofthe Hilbert series.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1432
    Keywords: Zinc-finger protein ; Human ; Mouse ; Chromosome location ; Divergent evolution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have isolated the human homologue of Mok2 gene encoding a Kriippel-like protein. The identification of three cDNAs and genomic clones reveals that the human protein shows substantial structural differences with the mouse MOK2 protein. The mouse MOK2 protein is composed of seven tandem zinc-finger motifs with five additional amino acids at the COOH-terminal. This structural feature is also present at the end of the human MOK2 protein. The seven zinc-finger motifs show 94% identity between the two proteins. In addition, the human protein contains three additional zinc-finger motifs in tandem with the others and a nonfinger acidic domain of 173 amino acids at the NH2-terminal. The Southern analysis indicates that a single copy of these two genes is present in the genome. The human gene has been localized on chromosome 19 on band q13.2–q13.3. The comparison of human and mouse cDNA sequences reveals a strong identity in the sequences localized outside the seven highly conserved zinc-finger motifs. The divergence from their common ancestor results in the loss of a potential transcription activator domain in mouse MOK2 protein.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] We cloned the human BTG2 cDNA from a lym-phoblastoid cell line cDNA library. The sequence of the putative open reading frame predicted a 158 amino acid protein which shares 93.6% identity with the murine TIS21 protein (data not shown) and 66.4% identity with the BTG1 protein (Fig. la). The only ...
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A cDNA probe representative of the human hnRNP I/PTB gene was used to perform fluorescence in situ hybridization (FISH) on metaphases of human chromosomes. A new localization was found on band 19p13.3 in addition to the previously reported localization to band 14q23. Identical results were obtained when FISH analysis was repeated with probes covering different parts of the hnRNP I cDNA clone. This supported the notion that most, if not all, of the sequences of the different parts of this clone are present on both chromosomes. Moreover, Southern blot analysis of DNAs from interspecies somatic hybrids containing chromosomes 19 and 14 revealed that the whole hnRNP I cDNA probe generated very similar patterns in each hybrid DNA. These data suggest that two closely related copies of the hnRNP I gene exist in the human genome.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    International ophthalmology 19 (1995), S. 317-320 
    ISSN: 1573-2630
    Keywords: glaucoma ; posterior chamber ; uveitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract U.G.H. syndrome is a known complication of IOL implantation associated with the use of anterior and rarely, posterior chamber intraocular lenses. It is due to mechanical excoriation of the angle or iris by the haptics or optic of an IOL and consists of uveitis, glaucoma and hyphema (U.G.H.). The advised therapeutic approach is explantation of the IOL. Following implantation of a posterior chamber IOL, three patients presented with bleeding into the posterior chamber, one associated with glaucoma. No patient had signs of uveitis. We decided to adress the symptoms and not to explant the IOL. We believe that this constitutes a variant of the ‘classical’ U.G.H. syndrome, namely an incomplete posterior U.G.H. (I.P.U.G.H.) syndrome, in which explantation of the I.O.L. is not compulsory.
    Type of Medium: Electronic Resource
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