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  • 1
    Electronic Resource
    Electronic Resource
    Crystal structure of a novel bis(guanidiniums) compound incorporated by sulfate anion (2000)
    Springer
    Journal of chemical crystallography 30 (2000), S. 483-487 
    Details
    ISSN: 1572-8854
    Keywords: Bis(guanidiniums) ; sulfate anion ; hydrogen bond ; crystal structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Crystal structure of a novel bis(guanidiniums) compound 1 by sulfate anion and water, C11H20N6OċSO4ċH2O, was measured by X-ray crystallographic analysis with an “imaging plate” method. It possesses space group P21/c, with a = 7.6433(15), b = 19.447(4), c = 12.115(2) Å, β = 107.81(3)°, and φcalc = 1.420 mg/m3 for Z = 4. Crystal data indicate that the architecture network is formed through hydrogen bonds, electrostatic interactions, and arene–arene stacking interaction among the bis(guanidiniums) compound, the sulfate anion and water molecule.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1011359702042
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cytogenetic and genomic relationships ofThinopyrum elongatum with twoPsathyrostachys species and withLeymus secalinus (Poaceae) (1995)
    Springer
    Plant systematics and evolution 197 (1995), S. 225-231 
    Details
    ISSN: 1615-6110
    Keywords: Poaceae ; Leymus ; Thinopyrum ; Psathyrostachys ; Intergeneric hybrids ; chromosome pairing ; genome analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Intergeneric hybridizations were made betweenT. elongatum, and twoPsathyrostachys and fiveLeymus species. The seed set obtained onT. elongatum ×Leymus hybrids ranged from 5.65% to 20.00%, depending onLeymus species. The seed set obtained onT. elongatum ×Psathyrostachys hybrids ranged from 16.07% to 19.70%. Meiotic pairing at metaphase-I in JN diploid hybrids ofT. elongatum ×Psathyrostachys species revealed a very low level homology between the basic J and N genomes, and further demonstrated that the two genomes are quite diverged. Chromosome pairing in theT. elongatum ×Leymus secalinus hybrid averaged 15.19 univalents + 2.62 rod bivalents + 0.26 ring bivalents + 0.02 trivalents, suggesting that the partial Je chromosomes ofT. elongatum has homology withLeymus secalinus genomes.L. secalinus might have 3–4 chromosomes originating from Je genome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984641
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    Paper (German National Licenses)
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