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  • 1
    Electronic Resource
    Electronic Resource
    Persistence of high titre antibodies to the early antigens of cytomegalovirus in pregnant women (1980)
    Springer
    Archives of virology 64 (1980), S. 303-309 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Serial serum samples were obtained from 45 pregnant women who had been shown to possess complement fixing (CF) antibodies to cytomegalovirus (CMV) during a previous pregnancy. The serial samples were tested for antibodies against the early antigens (EA) and complement fixing antigens of CMV. All of the 45 women still possessed CF antibodies at the commencement of their next pregnancy. Six of the 45 women (13 per cent) lacked detectable IFA-EA antibodies whilst 19/45 (42 per cent) women possessed only low titres (≤64) of these antibodies. However, 20/45 (44 per cent) women possessed high titre (≽128) antibodies despite having experienced their primary CMV infection many months previously. It is concluded that antibodies to the EA of CMV are not as transitory as has been suggested and that their presence, even at high titre, in a serum sample from a pregnant woman cannot be taken as presumptive evidence of recent primary infection with this virus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01320615
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of sex pheromones of lesser peachtree borer and peachtree borer (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 271-284 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; attractants ; (E,Z)-3,13-octadecadien-1-ol acetate ; (Z,Z)-3,13-octadecadien-1-ol acetate ; lesser peachtree borer ; Synanthedon pictipes ; peachtree borer ; Synanthedon exitiosa ; 3,13-octadecadien-1-ol isomers ; homopropargylic acetal cleavage ; stereochemistry of dissolving metal reductions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The sex pheromones produced by females of the lesser peachtree borer,Synanthedon pictipes (Grote and Robinson), and the peachtree borer,Synanthedon exitiosa (Say), (E,Z)- and (Z,Z)-3,13-octadecadien-1-ol acetate, respectively, were synthesized from 1,8-dichlorooctane, lithium acetylide, and ethylene oxide. In the course of the synthesis a new carbon-oxygen cleavage reaction of homopropargylic acetals was found, and the stereochemistry of the dissolving metal reductions of acetylenic alcohols was investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987545
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  • 3
    Electronic Resource
    Electronic Resource
    Identification of a sex pheromone produced by female velvetbean caterpillar moth (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 645-656 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; 3,6,9-heneicosatriene ; 3,6,9-eicosatriene ; velvetbean caterpillar ; Anticarsia gemmatalis Hübner ; Lepidoptera ; Noctuidae ; attractant ; hydrocarbons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A sex pheromone produced by female velvetbean caterpillar moths,Anticarsia gemmatalis Hübner, that attracts conspecific males was isolated and identified as a blend of (Z,Z,Z)-3,6,9-eicosatriene and (Z,Z,Z)-3,6,9-heneicosatriene in a ratio of ca. 5∶3, respectively, when combined. The synthesized compounds elicited responses by velvetbean caterpillar moth males equivalent to those elicited by females in both laboratory wind tunnel bioassays and field trapping experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990414
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  • 4
    Electronic Resource
    Electronic Resource
    The mechanism of inhibition of ureogenesis by acidosis (1984)
    Springer
    Bioscience reports 4 (1984), S. 819-825 
    Details
    ISSN: 1573-4935
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In perfused rat liver a decrease of cytosol pH, determined with pH-sensitive microelectrodes7 from 7.2 to 6.85 is associated with a 50% fall in ureogenesis from ammonium chloride. In isolated rat hepatocytes the fall in ureogenesis due to acidosis is associated with decrease in the mitochondrial and cytosolic concentration of citrulline. Limitation of carbamoyl phosphate synthesis and thus citrulline supply could be responsible for the inhibition of ureogenesis observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01138163
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  • 5
    Electronic Resource
    Electronic Resource
    Stereospecific synthesis of (Z,Z)-11,13-hexadecadienal, a female sex pheromone of the navel orangeworm,Amyelois transitella (Lepidoptera: Pyralidae) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 221-228 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; navel orangeworm ; Amyelois transitella ; Pyralidae ; (Z,Z)-11,13-hexadecadienal ; (Z,Z)-conjugated diene ; dicyclohexylborane ; conjugated diyne ; liquid crystals for GC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A synthesis of (Z,Z)-11,13-hexadecadienal, a compound previously identified as the major component of the sex pheromone of the female navel orangeworm,Amyelois transitella (Walker), is described. The key step is the reduction of an unsymmetrical conjugated diyne with dicyclohexylborane. This reduction produced theZ,Z isomer with less than 0.5% total of other isomers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987541
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  • 6
    Electronic Resource
    Electronic Resource
    Synthesis of the sex pheromone of the Japanese beetle (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 473-485 
    Details
    ISSN: 1573-1561
    Keywords: Synthesis ; sex pheromone ; Japanese beetle ; Popillia japonica ; (Z)- and (E)-5-(1-decenyl)dihydro-2(3H)-furanone isomers ; enantiomers of (Z)-5-(1-decenyl)dihydro-2(3H)-furanone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The stereospecific synthesis of the sex pheromone produced by the female Japanese beetle (Popillia japonica Newman), (R,Z)-5-1-decenyl)-dihydro-2(3H)-furanone, is described. The pure syntheticR,Z form is a powerful attractant for males of the species in field bioassays and was competitive in attractiveness with live females, whereas the racemicZ isomer and theS,Z enantiomer were strong inhibitors of male response. The saturated analogs of both enantiomers were also synthesized stereospecifically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402924
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  • 7
    Electronic Resource
    Electronic Resource
    Synthesis of (±)-10-methyl-1-dodecanol acetate, the chiral component of the smaller tea tortrix moth (Adoxophyes sp.), with an option for asymmetric induction (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 41-53 
    Details
    ISSN: 1573-1561
    Keywords: Smaller tea tortrix moth ; Adoxophyes sp. ; Lepidoptera ; Tortricidae ; asymmetric induction ; 10-methyl-1-dodecanol acetate ; ester ; chirality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A new route to (±)-10-methyl-1-dodecanol acetate, a minor component of the smaller tea tortrix moth (Adoxophyes sp.), is described. An optional sequence that permits the generation of the chiral center with enantiomeric excesses (ee's) as high as 74% (R) or 80% (S) employing the available (S)-(−)-prolinol as a chiral auxiliary may be included. High-performance liquid chromatography of diastereomeric intermediates allows preparation of products with greater ee's.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984004
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  • 8
    Electronic Resource
    Electronic Resource
    Identification of a sex pheromone ofHeliothis subflexa (GN.) (Lepidoptera: Noctuidae) and field trapping studies using different blends of components (1981)
    Springer
    Journal of chemical ecology 7 (1981), S. 1011-1022 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; Heliothis subflexa ; Lepidoptera ; Noctuidae ; reproductive behavior ; field trapping ; capillary chromatography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Eight compounds were isolated from the sex pheromone gland ofHeliothis subflexa (Gn.) and identified as hexadecanal, (Z)-9-hexadecenal, (Z)-11-hexadecenal, (Z)-7-hexadecen-1-ol acetate, (Z)-9-hexadecen-1-ol acetate, (Z)-11-hexadecen-1-ol acetate, (Z)-9-hexadecen-1-ol, and (Z)-11-hexadecen-1-ol. Although the whole blend was found to be an effective male attractant, the deletion of alcohols from the blend increased trap captures considerably. Further, although the binary mixture of (Z)-9-hexadecenal and (Z)-11-hexadecenal caught some maleH. subflexa, significant increases in captures were noted when the three acetate components were included in the blend.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987623
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