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  • 1
    Electronic Resource
    Electronic Resource
    Mating behavior ofPhytoecia rufiventris Gautier (Coleoptera: Cerambycidae) (1996)
    Springer
    Journal of insect behavior 9 (1996), S. 47-60 
    Details
    ISSN: 1572-8889
    Keywords: Phytoecia rufiventris ; mating behavior ; communication ; courtship ; Cerambycidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sexual behavior between males and females, as well as between males, is described and discussed for the cerambycid beetlePhytoecia rufiventris. The beetles' taxis toward plants taller than average height brings the sexes together from a distance. A male may mount another individual (male or female) and attempt copulation without sex discrimination. The male can discern the sex of another individual only when the terminal part of his abdomen touches the ventral surface of the fifth visible sternite of the latter. No evidence of a sex pheromone is found in this species. Within 1.5–5.5 cm the substrateborne vibrations produced by a moving individual may be the important factor which elicits males to approach a moving individual and attempt copulation. If a female is receptive when a male touches her, he can copulate with her without any courtship display. However, if the female runs away and appears unreceptive, the male will perform courtship displays. Copulation is usually terminated by males. Homosexual behavior between males is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02213723
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Photoswitch based on bacteriorhodopsin Langmuir-Blodgett films (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 4 (1994), S. 219-224 
    Details
    ISSN: 1057-9257
    Keywords: Bacteriorhodopsin ; Langmuir-Blodgett films ; Differential response ; Photoswitch ; Photoalarm ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Langmuir-Blodgett (LB) films of bacteriorhodopsin (bR) without addition of lipids were deposited on indium tin oxide (ITO) conductive electrodes. A sandwich photocell with a juction structure of ITO/bR/electrolyte/ITO has been constructed in which the bR LB film was put into contact directly with an aqueous electrolyte immobilized in an agar gel. Under visible light irradiation a transient photocurrent due to a change in light intensity can be observedl showing the property of vision-imitative material. It can be used as a multiple optical switch, since it gives positive and negative transient photocurrnts during application and removal of light irradiation respectively and has a photoresponse repeatedly in the same direction when the light intensity increases or decreases stepwise. A photoalarm consisting of the bR photocell and an amplifier was set up by utilizing the switching function of the bR LB film.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/amo.860040305
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    Paper (German National Licenses)
    Fulltext
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