Marian Plotkin

Summary

Affiliation: Tel Aviv University
Country: Israel

Publications

  1. doi Solar energy harvesting in the epicuticle of the oriental hornet (Vespa orientalis)
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine Tel Aviv University, Ramat Aviv, 69978, Israel
    Naturwissenschaften 97:1067-76. 2010
  2. ncbi Ontogenesis of the thermogenic center in hornets
    Natalya Y Ermakov
    Department of Physiology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Microsc Res Tech 70:796-802. 2007
  3. ncbi The thermogenic center in social wasps
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University Ramat Aviv 69978, Israel
    J Electron Microsc (Tokyo) 55:41-9. 2006
  4. ncbi Prevention of hyperthermia with silk of the oriental hornet, Vespa orientalis: a hypothesis
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Microsc Res Tech 70:69-75. 2007
  5. ncbi Gravity orientation in social wasp comb cells (Vespinae) and the possible role of embedded minerals
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Tel Aviv, Israel
    Naturwissenschaften 95:333-42. 2008
  6. ncbi MRI of oriental hornet head
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv University, Ramat Aviv, Israel
    Physiol Chem Phys Med NMR 38:43-54. 2006
  7. ncbi Presence of a thermoregulatory hot spot in the prothorax of the large carpenter bee and the bumble bee
    Stanislav Volynchik
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Israel
    Microsc Res Tech 69:903-12. 2006
  8. doi Some liver functions in the Oriental hornet (Vespa orientalis) are performed in its cuticle: exposure to UV light influences these activities
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Comp Biochem Physiol A Mol Integr Physiol 153:131-5. 2009
  9. doi Xanthopterin in the Oriental hornet (Vespa orientalis): light absorbance is increased with maturation of yellow pigment granules
    Marian Plotkin
    Department of Physiology and Pharmacology, School of Chemistry, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Photochem Photobiol 85:955-61. 2009
  10. ncbi Exposure to an additional alternating magnetic field affects comb building by worker hornets
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Israel
    Physiol Chem Phys Med NMR 39:83-8. 2007

Collaborators

Detail Information

Publications17

  1. doi Solar energy harvesting in the epicuticle of the oriental hornet (Vespa orientalis)
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine Tel Aviv University, Ramat Aviv, 69978, Israel
    Naturwissenschaften 97:1067-76. 2010
    ..A dye-sensitized solar cell (DSSC) was constructed in order to show the ability of xanthopterin to serve as a light-harvesting molecule...
  2. ncbi Ontogenesis of the thermogenic center in hornets
    Natalya Y Ermakov
    Department of Physiology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Microsc Res Tech 70:796-802. 2007
    ..As for the functional, intact hot spot in the adult hornet, it is characterized by a high concentration of tracheae, with numerous mitochondria in between them that probably contribute to the heat generation...
  3. ncbi The thermogenic center in social wasps
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University Ramat Aviv 69978, Israel
    J Electron Microsc (Tokyo) 55:41-9. 2006
    ..These abundant mitochondria are, most probably, the main element of heat production in the thermogenic center...
  4. ncbi Prevention of hyperthermia with silk of the oriental hornet, Vespa orientalis: a hypothesis
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Microsc Res Tech 70:69-75. 2007
    ..These finding are discussed from two aspects, namely the importance for wasps to maintain a constant temperature throughout the pupating process, and the manner in which the silk weave contributes to such a goal...
  5. ncbi Gravity orientation in social wasp comb cells (Vespinae) and the possible role of embedded minerals
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Tel Aviv, Israel
    Naturwissenschaften 95:333-42. 2008
    ..Ti and Zr are known to reflect infrared (IR) light. IR imaging showed a thermoregulatory center in the dorsal thorax of the adult Oriental hornet. It is not known yet whether these insects can sense IR light...
  6. ncbi MRI of oriental hornet head
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv University, Ramat Aviv, Israel
    Physiol Chem Phys Med NMR 38:43-54. 2006
    ..All the mentioned structures and organs were visualized in their relative, normal proportions, without touching or dislocating them...
  7. ncbi Presence of a thermoregulatory hot spot in the prothorax of the large carpenter bee and the bumble bee
    Stanislav Volynchik
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Israel
    Microsc Res Tech 69:903-12. 2006
    ....
  8. doi Some liver functions in the Oriental hornet (Vespa orientalis) are performed in its cuticle: exposure to UV light influences these activities
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Comp Biochem Physiol A Mol Integr Physiol 153:131-5. 2009
    ..The fact that hornets link their flight activity with the insolation leads us to speculate that the sun contributes energetically to the hornet's activity...
  9. doi Xanthopterin in the Oriental hornet (Vespa orientalis): light absorbance is increased with maturation of yellow pigment granules
    Marian Plotkin
    Department of Physiology and Pharmacology, School of Chemistry, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Photochem Photobiol 85:955-61. 2009
    ....
  10. ncbi Exposure to an additional alternating magnetic field affects comb building by worker hornets
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Israel
    Physiol Chem Phys Med NMR 39:83-8. 2007
    ....
  11. doi Hornet flight activity and its correlation with UVB radiation, temperature and relative humidity
    Stanislav Volynchik
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Photochem Photobiol 84:81-5. 2008
    ..We assume that the hornets are able to utilize the UVB radiation, but what part of their body is "absorbing" the UVB energy is still a matter of further investigation...
  12. ncbi Antennal and cephalic organelles in the social wasp Paravespula germanica (Hymenoptera, Vespinae): form and possible function
    Ifaat Agmon
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Microsc Res Tech 69:46-52. 2006
    ..Conceivably, the wasp uses the various organelles mentioned to communicate with its mates that are some distance away, somewhat like the use of radar by humans...
  13. ncbi Electrical properties of hornet silk: temperature dependence
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine Tel Aviv University, Ramat Aviv, 69978, Israel
    Physiol Chem Phys Med NMR 37:71-84. 2005
    ....
  14. ncbi Some qualitative liver functions in hornet yellow cuticle
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv 69978, Israel
    Physiol Chem Phys Med NMR 39:269-76. 2007
    ....
  15. ncbi A thermoregulatory center in hornets: IR photography
    Marian Plotkin
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine Tel Aviv University, Ramat Aviv, 69978, Israel
    Microsc Res Tech 68:321-8. 2005
    ..The temperature cascade is most probably regulated via the tracheal system. Apparently another system activated by a heat pump mechanism keeps the gaster at a lower temperature than the environment...
  16. ncbi Diazepam inhibits reproduction and reproductive behavior of oriental hornet. A possible role for the peripheral-type benzodiazepine receptor
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
    Physiol Chem Phys Med NMR 38:31-42. 2006
    ..Longevity of hornets was uniform in all the test groups and similar to that in the control...
  17. ncbi Cilia in the head of hornets: form and function
    Jacob S Ishay
    Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv 69978, Israel
    Microsc Res Tech 67:71-8. 2005
    ..In summary, ciliary structures are involved in the hornet in gravity sensing, in acoustical communication and in light sensing, i.e., with some similarity with what happens in vertebrates in the inner ear and in the photoreceptor...