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1

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Hayflick-NIH Settlement (1982)

B. L. Strehler ; S. Abraham ; K. Bayreuther ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 215(4530): 240-2. doi: 10.1126/science.215.4530.240-b.

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Publikationsdatum: 1982-01-15

Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strehler, B L -- Abraham, S -- Bayreuther, K -- Bienenstock, A -- Binstock, R -- Birren, J -- Blumenthal, H T -- Brautbar, C -- Brody, E M -- Brody, H -- Comfort, A -- Cottle, R W -- Danielli, J F -- Danon, D -- Datan, N -- Ebbesen, P -- Elsen, A -- Freundt, E A -- Gallop, P M -- Girardi, A J -- Glenn, P F -- Goheen, J D -- Goldstein, S -- Good, R A -- Goodlin, R C -- Granoff, A -- Gray, A -- Haber, P A -- Hamparian, V V -- Hijmans, W -- Holliday, R -- Horvath, S M -- Houck, J C -- Huebner, R J -- Itoh, H -- Jukes, T -- Kaplan, H S -- Kirkman, H -- Kuwert, E -- Leiderman, P H -- Liss, A -- Litwin, J -- Lubin, B -- Macieira-Coelho, A -- Madoff, S -- Maletta, G J -- Maramorosch, K -- Martin, G M -- Masover, G -- Matsumura, T -- Medvedev, Z -- Melnick, J L -- Merchant, D J -- Namba, M -- Neter, E -- Neugarten, B -- Orgel, L -- Outschoorn, A S -- Pace, D M -- Packer, L -- Parker, J C -- Patterson, M D Jr -- Pollard, M -- Portnuff, J -- Razin, S -- Reiff, T R -- Robert, L -- Rockstein, M -- Rosamoff, H -- Rosanoff, E I -- Rottem, S -- Schachter, J -- Schwartz, H -- Shanas, E -- Shimkin, M B -- Smith, J R -- Somerson, N L -- Stinebring, W -- Textor, R -- Thomas, L -- Viidik, A -- Weg, R -- Yabrov, A -- Yanofsky, C -- Zatz, L M -- New York, N.Y. -- Science. 1982 Jan 15;215(4530):240-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17784330" target="_blank"〉PubMed〈/a〉

Print ISSN: 0036-8075

Digitale ISSN: 1095-9203

Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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A new look at the saturn system: the voyager 2 images (1982)

B. A. Smith ; L. Soderblom ; R. Batson ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 215(4532): 504-37. doi: 10.1126/science.215.4532.504.

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Publikationsdatum: 1982-01-29

Beschreibung: Voyager 2 photography has complemented that of Voyager I in revealing many additional characteristics of Saturn and its satellites and rings. Saturn's atmosphere contains persistent oval cloud features reminiscent of features on Jupiter. Smaller irregular features track out a pattern of zonal winds that is symmetric about Saturn's equator and appears to extend to great depth. Winds are predominantly eastward and reach 500 meters per second at the equator. Titan has several haze layers with significantly varying optical properties and a northern polar "collar" that is dark at short wavelengths. Several satellites have been photographed at substantially improved resolution. Enceladus' surface ranges from old, densely cratered terrain to relatively young, uncratered plains crossed by grooves and faults. Tethys has a crater 400 kilometers in diameter whose floor has domed to match Tethys' surface curvature and a deep trench that extends at least 270 degrees around Tethys' circumference. Hyperion is cratered and irregular in shape. Iapetus' bright, trailing hemisphere includes several dark-floored craters, and Phoebe has a very low albedo and rotates in the direction opposite to that of its orbital revolution with a period of 9 hours. Within Saturn's rings, the "birth" of a spoke has been observed, and surprising azimuthal and time variability is found in the ringlet structure of the outer B ring. These observations lead to speculations about Saturn's internal structure and about the collisional and thermal history of the rings and satellites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, B A -- Soderblom, L -- Batson, R -- Bridges, P -- Inge, J -- Masursky, H -- Shoemaker, E -- Beebe, R -- Boyce, J -- Briggs, G -- Bunker, A -- Collins, S A -- Hansen, C J -- Johnson, T V -- Mitchell, J L -- Terrile, R J -- Cook, A F 2nd -- Cuzzi, J -- Pollack, J B -- Danielson, G E -- Ingersoll, A P -- Davies, M E -- Hunt, G E -- Morrison, D -- Owen, T -- Sagan, C -- Veverka, J -- Strom, R -- Suomi, V E -- New York, N.Y. -- Science. 1982 Jan 29;215(4532):504-37.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17771273" target="_blank"〉PubMed〈/a〉

Print ISSN: 0036-8075

Digitale ISSN: 1095-9203

Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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3

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Encounter with saturn: voyager 1 imaging science results (1981)

B. A. Smith ; L. Soderblom ; R. Beebe ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 212(4491): 163-91. doi: 10.1126/science.212.4491.163.

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Publikationsdatum: 1981-04-10

Beschreibung: As Voyager 1 flew through the Saturn system it returned photographs revealing many new and surprising characteristics of this complicated community of bodies. Saturn's atmosphere has numerous, low-contrast, discrete cloud features and a pattern of circulation significantly different from that of Jupiter. Titan is shrouded in a haze layer that varies in thickness and appearance. Among the icy satellites there is considerable variety in density, albedo, and surface morphology and substantial evidence for endogenic surface modification. Trends in density and crater characteristics are quite unlike those of the Galilean satellites. Small inner satellites, three of which were discovered in Voyager images, interact gravitationally with one another and with the ring particles in ways not observed elsewhere in the solar system. Saturn's broad A, B, and C rings contain hundreds of "ringlets," and in the densest portion of the B ring there are numerous nonaxisymmetric features. The narrow F ring has three components which, in at least one instance, are kinked and crisscrossed. Two rings are observed beyond the F ring, and material is seen between the C ring and the planet.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, B A -- Soderblom, L -- Beebe, R -- Boyce, J -- Briggs, G -- Bunker, A -- Collins, S A -- Hansen, C J -- Johnson, T V -- Mitchell, J L -- Terrile, R J -- Carr, M -- Cook, A F 2nd -- Cuzzi, J -- Pollack, J B -- Danielson, G E -- Ingersoll, A -- Davies, M E -- Hunt, G E -- Masursky, H -- Shoemaker, E -- Morrison, D -- Owen, T -- Sagan, C -- Veverka, J -- Strom, R -- Suomi, V E -- New York, N.Y. -- Science. 1981 Apr 10;212(4491):163-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17783827" target="_blank"〉PubMed〈/a〉

Print ISSN: 0036-8075

Digitale ISSN: 1095-9203

Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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4

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Hurricane Allen's Impact on Jamaican Coral Reefs (1981)

J. D. Woodley ; E. A. Chornesky ; P. A. Clifford ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 214(4522): 749-55. doi: 10.1126/science.214.4522.749.

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Publikationsdatum: 1981-11-13

Beschreibung: Coral reefs of north Jamaica, normally sheltered, were severely damaged by Hurricane Allen, the strongest Caribbean hurricane of this century. Immediate studies were made at Discovery Bay, where reef populations were already known in some detail. Data are presented to show how damage varied with the position and orientation of the substraturn and with the shape, size, and mechanical properties of exposed organisms. Data collected over succeeding weeks showed striking differences in the ability of organisms to heal and survive.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woodley, J D -- Chornesky, E A -- Clifford, P A -- Jackson, J B -- Kaufman, L S -- Knowlton, N -- Lang, J C -- Pearson, M P -- Porter, J W -- Rooney, M C -- Rylaarsdam, K W -- Tunnicliffe, V J -- Wahle, C M -- Wulff, J L -- Curtis, A S -- Dallmeyer, M D -- Jupp, B P -- Koehl, M A -- Neigel, J -- Sides, E M -- New York, N.Y. -- Science. 1981 Nov 13;214(4522):749-55.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17744383" target="_blank"〉PubMed〈/a〉

Print ISSN: 0036-8075

Digitale ISSN: 1095-9203

Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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5

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Laser microsurgery in cell and developmental biology (1981)

M. W. Berns ; J. Aist ; J. Edwards ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 213(4507): 505-13.

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Publikationsdatum: 1981-07-31

Beschreibung: New applications of laser microbeam irradiation to cell and developmental biology include a new instrument with a tunable wavelength (217- to 800-nanometer) laser microbeam and a wide range of energies and exposure durations (down to 25 X 10(-12) second). Laser microbeams can be used for microirradiation of selected nucleolar genetic regions and for laser microdissection of mitotic and cytoplasmic organelles. They are also used to disrupt the developing neurosensory appendages of the cricket and the imaginal discs of Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berns, M W -- Aist, J -- Edwards, J -- Strahs, K -- Girton, J -- McNeill, P -- Rattner, J B -- Kitzes, M -- Hammer-Wilson, M -- Liaw, L H -- Siemens, A -- Koonce, M -- Peterson, S -- Brenner, S -- Burt, J -- Walter, R -- Bryant, P J -- van Dyk, D -- Coulombe, J -- Cahill, T -- Berns, G S -- New York, N.Y. -- Science. 1981 Jul 31;213(4507):505-13.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7017933" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Animals ; *Cell Physiological Phenomena ; Chloroplasts/physiology ; Drosophila ; *Lasers ; Microscopy, Phase-Contrast ; Microsurgery/*methods ; Mitochondria/physiology ; Mitosis ; Neurons/physiology ; Plant Physiological Phenomena

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Digitale ISSN: 1095-9203

Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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6

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Mevinolin: a highly potent competitive inhibitor of hydroxymethylglutaryl-coenzyme A reductase and a cholesterol-lowering agent. (1980)

Alberts, A. W. ; Chen, J. ; Kuron, G. ; [weitere]

National Academy of Sciences

In: PNAS - Proceedings of the National Academy of Sciences of the United States of America. 1980; 77(7): 3957-3961. Published 1980 Jul 01. doi: 10.1073/pnas.77.7.3957.

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Publikationsdatum: 1980-07-01

Print ISSN: 0027-8424

Digitale ISSN: 1091-6490

Thema: Biologie , Medizin , Allgemeine Naturwissenschaft

Publiziert von National Academy of Sciences

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7

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Mount st. Helens ash from the 18 may 1980 eruption: chemical, physical, mineralogical, and biological properties (1980)

J. S. Fruchter ; D. E. Robertson ; J. C. Evans ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 209(4461): 1116-25. doi: 10.1126/science.209.4461.1116.

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Publikationsdatum: 1980-09-05

Beschreibung: Samples of ash from the 18 May 1980 eruption of Mount St. Helens were collected from several locations in eastern Washington and Montana. The ash was subjected to a variety of analyses to determine its chemical, physical, mineralogical, and biological characteristics. Chemically, the ash samples were of dacitic composition. Particle size data showed bimodal distributions and differed considerably with location. However, all samples contained comparable amounts of particles less than 3.5 micrometers in diameter (respirable fraction). Mineralogically, the samples ranged from almost totally glassy to almost totally crystalline. Crystalline samples were dominated by plagioclase feldspar (andesine) and orthopyroxene (hypersthene), with smaller amounts of titanomagnetite and hornblende. All but one of the samples contained from less than 1 percent to 3 percent free crystalline silica (quartz, trydimite, or cristobalite) in both the bulk samples and 1 to 2 percent in the fractions smaller than 3.5 micrometers. The long-lived natural radionuclide content of the ash was comparable to that of crustal material; however, relatively large concentrations of short-lived radon daughters were present and polonium-210 content was inversely correlated with particle size. In vitro biological tests showed the ash to be nontoxic to alveolar macrophages, which are an important part of the lungs' natural clearance mechanism. On the basis of a substantial body of data that has shown a correlation between macrophage cytotoxicity and fibrogenicity of minerals, the ash is not predicted to be highly fibrogenic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fruchter, J S -- Robertson, D E -- Evans, J C -- Olsen, K B -- Lepel, E A -- Laul, J C -- Abel, K H -- Sanders, R W -- Jackson, P O -- Wogman, N S -- Perkins, R W -- VAN Tuyl, H H -- Beauchamp, R H -- Shade, J W -- Daniel, J L -- Erikson, R L -- Sehmel, G A -- Lee, R N -- Robinson, A V -- Moss, O R -- Briant, J K -- Cannon, W C -- New York, N.Y. -- Science. 1980 Sep 5;209(4461):1116-25.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17841472" target="_blank"〉PubMed〈/a〉

Print ISSN: 0036-8075

Digitale ISSN: 1095-9203

Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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