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  • Wiley-Blackwell  (52,677)
  • Nature Publishing Group  (18,746)
  • 1985-1989  (71,423)
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  • 1
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    Initial stages of food ingestion by Sepia officinalis (Mollusca: Cephalopoda) (1988)
    Wiley-Blackwell
    In:  Journal of Zoology, 214 (2). pp. 189-197.
    Details
    Publication Date: 2020-07-17
    Description: The cuttlefish ingests much skeleton from the crustaceans and fish it preys upon. The skeletal pieces are relatively large and their dimensions bear a close relationship to the length of the buccal mass and diameter of the oesophagus. The structures of the buccal mass are instrumental in the breakdown of prey and orientation of long pieces of skeleton to ensure their entry into the oesophagus. Many pieces of skeletal material present in the stomach contents still have attached muscles, showing that there is little, or no, external digestion. Skeletal material may be important for long-term maintenance of young Sepia in captivity.
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  • 2
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    Sexual differences in the absolute growth pattern of the Indo-Pacific sandy shore crab Matuta lunaris (1989)
    Wiley-Blackwell
    In:  Journal of Zoology, 218 (4). pp. 603-608.
    Details
    Publication Date: 2020-07-17
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  • 3
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    Precise single-grain 40Ar/39 Ar dating of a cold to warm climate transition in Central Europe (1989)
    Nature Publishing Group
    In:  Nature, 342 (6249). pp. 523-525.
    Details
    Publication Date: 2018-03-02
    Description: RECENT advances in 40Ar/39Ar dating1,2 have made it possible to date individual K-feldspar grains from Pleistocene tephra, a capability that greatly improves the reliability and temporal resolving power of the method. Here we apply these new techniques to the dating of a phonolite tephra from the East Eifel volcanic field in West Germany, which is sandwiched between loess and palaeosol (alfisol) deposits, and which was therefore erupted during the transition from a glacial to an interglacial period. Our age estimate for this transition is 215±4 kyr (1 σ), which has important implications for the marine δ18O timescale and for models of global climate change during the Pleistocene. The results show that single-grain dating can detect and compensate for the large quantities of xenocrystic contaminants which are found in many tephra deposits. This technique could be used to date the tephra layers found in marine sediment cores and the results could greatly enhance the reliability of the marine δ18O timescale for more rigorous Fourier analysis testing of the Milankovitch hypothesis.
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  • 4
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    Satellite measurements of sea surface cooling during hurricane Gloria (1987)
    Nature Publishing Group
    In:  Nature, 326 (6111). pp. 373-375.
    Details
    Publication Date: 2018-03-02
    Description: Hurricanes and other strong storms can cause important decreases in sea surface temperature by means of vertical mixing within the upper ocean, and by air–sea heat exchange. Here we use satellite-derived infrared images of the western North Atlantic to study sea surface cooling caused by hurricane Gloria (1985). Significant regional variations in sea surface cooling are well correlated with hydrographic conditions. The greatest cooling (up to 5°C) occurred in slope waters north of the Gulf Stream where the seasonal thermocline is shallowest and most compressed; moderate cooling (up to 3 °C) occurred in the open Sargasso Sea where the thermocline is deeper and more diffused; little or no cooling occurred in shallow coastal waters (bottom depth less than 20 m) which were isothermal before the passage of hurricane Gloria. There is a pronounced right-side asymmetry of sea surface cooling with stronger (by a factor of 4) and more extensive (by a factor of 3) cooling found on the right side of the hurricane track. These qualitative results are consistent with the notion that vertical mixing within the upper ocean is the dominant sea surface cooling mechanism of hurricanes.
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  • 5
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    Palaeoceanography: Biomarkers for ancient climates (1986)
    Nature Publishing Group
    In:  Nature, 320 (6058). pp. 107-108.
    Details
    Publication Date: 2016-03-01
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  • 6
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    News from a deepening hole (1987)
    Nature Publishing Group
    In:  Nature, 325 (6104). pp. 484-485.
    Details
    Publication Date: 2016-05-18
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  • 7
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    A Lagrangian mixed layer model of Atlantic 18 C water formation (1986)
    Nature Publishing Group
    In:  Nature, 319 . pp. 574-576.
    Details
    Publication Date: 2019-01-21
    Description: One of the most striking features of the upper North Atlantic Ocean is an extensive layer of water with temperature close to 18°C and salinity close to 36.5‰, (ref. 1). This 18°C water is formed by winter convection in the Sargasso sea2,3, but aspects of the annual rate of 18°C water formation remain obscure4. We have simulated this water mass formation by integrating a one-dimensional model along a 4-yr trajectory of a water column circulating around the Sargasso Sea. Winter convection is deep (≥200 m) in regions where the ocean suffers a net annual heat loss to the atmosphere, and shallow (≤lOOm) where the ocean gains heat each year. The origin of the thermostad (nearly isothermal layer) is a thick layer of nearly homogeneous water subducted beneath the seasonal boundary layer in the year that the water column passes through the line dividing annual cooling from annual heating. We estimate the annual production of 18°C water to be 446,000 km3 yr−1. Downstream, more stratified central water is formed each year at a rate that depends more on Ekman pumping (wind-forced convergence) than on the decreasing depth of winter convection
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  • 8
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    Benthic metabolism and standing stock in the central northern Red Sea (1987)
    Wiley-Blackwell
    In:  Marine Ecology, 8 . pp. 1-20.
    Details
    Publication Date: 2017-10-05
    Description: Benthic metabolism and standing stocks were investigated in the deep Red Sea between 21o and 27oN, Activity was assessed by the determination of respiration rates with a shipboard method and by calculating oxygen consumption from the activity in the electron transport system. We attempted to compare results from different latitudes within the warm Red Sea and with data from cold Atlantic environments. Our investigations were part of an environmental risk assessment to evaluate future mining of metalliferous sediments from the Atlantis II Deep.
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  • 9
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    Routing of meltwater from the Laurentide Ice Sheet during the Younger Dryas cold episode (1989)
    Nature Publishing Group
    In:  Nature, 341 (6240). pp. 318-321.
    Details
    Publication Date: 2016-06-16
    Description: ROOTH proposed that the Younger Dryas cold episode, which chilled the North Atlantic region from 11,000 to 10,000 yr BP, was initiated by a diversion of meltwater from the Mississippi drainage to the St Lawrence drainage system. The link between these events is postulated to be a turnoff, during the Younger Dryas cold episode, of the North Atlantic's conveyor-belt circulation system which currently supplies an enormous amount of heat to the atmosphere over the North Atlantic region2. This turnoff is attributed to a reduction in surface-water salinity, and hence also in density, of the waters in the region where North Atlantic Deep Water (NADW) now forms. Here we present oxygen isotope and accelerator radiocarbon measurements on planktonic foraminifera from Orca Basin core EN32-PC4 which reveal a significant reduction in meltwater flow through the Mississippi River to the Gulf of Mexico from about 11,200 to 10,000 radiocarbon years ago. This finding is consistent with the record for Lake Agassiz which indicates that the meltwater from the southwestern margin of the Laurentide Ice Sheet was diverted to the northern Atlantic Ocean through the St Lawrence valley during the interval from ~11,000 to 10,000 years before present (yr BP).
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  • 10
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    Seasonal variation in the diet of the king penguin (Aptenodytes patagonicus) at sub-Antarctic Marion Island (1987)
    Wiley-Blackwell
    In:  Journal of Zoology, 212 (2). pp. 303-324.
    Details
    Publication Date: 2020-07-17
    Description: The diet of the king penguin Aptenodytes patagonicus at Marion Island was examined throughout the year by analysis of stomach samples. Fish accounted for 87% by wet mass, 75% by numbers and 69% by reconstituted mass. Their proportional importance by wet mass increased from 68% during winter to almost 100% in summer and probably reflects a real increase in their local availability. Squid comprised most of the remainder with crustaceans forming less than 1% of the diet by numbers. Prey items were generally small, the most abundant being three species of myctophid fish, Krefftichthys anderssoni, Protomyctophum tenisonì and Electrona carlsbergi, and a squid Kondakovia longimana. King penguins took both juvenile and adult Krefftichthys anderssoni and P. tenisoni, but only adult E. carlshergi. The juvenile and adult modal size classes of K. anderssoni and P. tenisoni increased from March through to February and the proportion of juvenile to adult fish increased in winter. The increase in the modal size class of the K. anderssoni/P. tenisoni complex during the year probably reflects growth of the fish, rather than movement of different populations in and out of the area exploited by king penguins. All squid consumed were probably juveniles. The modal size class of Kondakovia longimana increased from March to August, but in September to October smaller squid again formed a large proportion of the squid component of the diet. Numbers of measurable squid beaks recovered from November to February were low. This is the first time that mesopelagic myctophid fish have been shown to comprise a major component of the diet of a vertebrate predator in the Southern Ocean.
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  • 11
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    Anomalous 13C enrichment in modern marine organic carbon (1985)
    Nature Publishing Group
    In:  Nature, 315 (6016). pp. 216-218.
    Details
    Publication Date: 2016-10-26
    Description: Marine organic carbon is heavier isotopically (13C enriched) than most land-plant or terrestrial organic C1. Accordingly, δ 13C values of organic C in modern marine sediments are routinely interpreted in terms of the relative proportions of marine and terrestrial sources of the preserved organic matter2,3. When independent geochemical techniques are used to evaluate the source of organic matter in Cretaceous or older rocks, those rocks containing mostly marine organic C are found typically to have lighter (more-negative) δ 13C values than rocks containing mostly terrestrial organic C. Here we conclude that marine photosynthesis in mid-Cretaceous and earlier oceans generally resulted in a greater fractionation of C isotopes and produced organic C having lighter δ 13C values. Modern marine photosynthesis may be occurring under unusual geological conditions (higher oceanic primary production rates, lower P CO2) that limit dissolved CO2 availability and minimize carbon isotope fractionation4.
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  • 12
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    Does the ocean–atmosphere system have more than one stable mode of operation? (1985)
    Nature Publishing Group
    In:  Nature, 315 (6014). pp. 21-26.
    Details
    Publication Date: 2016-06-10
    Description: The climate record obtained from two long Greenland ice cores reveals several brief climate oscillations during glacial time. The most recent of these oscillations, also found in continental pollen records, has greatest impact in the area under the meteorological influence of the northern Atlantic, but none in the United States. This suggests that these oscillations are caused by fluctuations in the formation rate of deep water in the northern Atlantic. As the present production of deep water in this area is driven by an excess of evaporation over precipitation and continental runoff, atmospheric water transport may be an important element in climate change. Changes in the production rate of deep water in this sector of the ocean may push the climate system from one quasi-stable mode of operation to another.
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  • 13
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    Unpleasant surprises in the greenhouse? (1987)
    Nature Publishing Group
    In:  Nature, 328 (6126). pp. 123-126.
    Details
    Publication Date: 2016-06-10
    Description: There is now clear evidence that changes in the Earth's climate may be sudden rather than gradual. It is time to put research into the build-up of carbon dioxide in the atmosphere on a better footing.
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  • 14
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    New evidence from the South China Sea for an abrupt termination of the last glacial period (1988)
    Nature Publishing Group
    In:  Nature, 333 (6169). pp. 156-158.
    Details
    Publication Date: 2016-06-10
    Description: Abrupt changes in climatic conditions have been seen at high latitudes in the North Atlantic and the Antarctic at 13 kyr BP. It is important to determine whether this abrupt change was confined to high-latitude regions or whether it was global. Here we present results demonstrating an abrupt change in the rate and character of sedimentation in the South China Sea at the close of the last glacial period. Radiocarbon dating and its position in the oxygen isotope shift suggest that this change may be coincident with the changes found at high latitudes.
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  • 15
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    New evidence from the South China Sea for an abrupt termination of the last glacial period (1988)
    Nature Publishing Group
    In:  Nature, 333 (6169). pp. 156-158.
    Details
    Publication Date: 2016-06-15
    Description: Abrupt changes in climatic conditions have been seen at high latitudes in the North Atlantic1 and the Antarctic2,3 at 13 kyr BP. It is important to determine whether this abrupt change was confined to high-latitude regions or whether it was global. Here we present results demonstrating an abrupt change in the rate and character of sedimentation in the South China Sea at the close of the last glacial period. Radiocarbon dating and its position in the oxygen isotope shift suggest that this change may be coincident with the changes found at high latitudes.
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  • 16
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    Size change in the phylogeny of Foraminifera (1988)
    Wiley-Blackwell
    In:  Lethaia, 21 (4). pp. 375-382.
    Details
    Publication Date: 2020-07-15
    Description: In the animal kingdom evolutionary size changes involved increasing, decreasing and stationary patterns. Planktic and benthic Foraminifera chiefly increased their size during evolution. This increase, however, did not always occur gradually, but could be interrupted by periods when the animals maintained or even decreased in size. The rate of the size increase is different for the various species examined, some benthic forms grew only 10% during the Oligocene-Pleistocene interval, while for others this figure was up to 96%. Some benthic species increased in size in certain areas, but not in others. It is not improbable that some phylogenetic trends of planktic Foraminifera representing, according to stratigraphers, the evolution of one species into another, represent in reality, from the biological point of view, specimens of the same species which changed their size and in addition some minor morphological traits which are encompassed by the normal span of intraspecific variability. A comprehensive understanding and explanation of the size change of Foraminifera needs much additional research.
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  • 17
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    Geochemical and climatic effects of increased marine organic carbon burial at the Cenomanian/Turonian boundary (1988)
    Nature Publishing Group
    In:  Nature, 335 (6192). pp. 714-717.
    Details
    Publication Date: 2016-10-24
    Description: Perhaps the most significant event in the Cretaceous record of the carbon isotope composition of carbonate1,2, other than the 1–2.5 ‰ negative shift in the carbon isotope composition of calcareous plankton at the Cretaceous/Tertiary boundary3, is the rapid global positive excursion of ~2 ‰ (13C enrichment) which took place between ~91.5 Myr and 90.3 Myr (late Cenomanian to earliest Turonian (C/T boundary event))1,4,5. This excursion has been attributed to a change in the isotope composition of the marine total dissolved carbon (TDC) reservoir resulting from an increase in rate of burial of 13C-depleted organic carbon, which coincided with a major global rise in sea level5 during the so-called C/T oceanic anoxic event (OAE)6. Here we present new data, from nine localities, which demonstrate that a positive excursion in the carbon isotope composition of organic carbon at or near the C/T boundary7,8 is nearly synchronous with that for carbonate and is widespread throughout the Tethys and Atlantic basins (Fig. 1), as well as in more high-latitude epicontinental seas. The postulated increase in the rate of burial of organic carbon may have had a significant effect on CO2 and O2 concentrations in the oceans and atmosphere, and consequent effects on global climate and sedimentary facies.
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  • 18
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    Gold and native copper in supergene sulfides from the Mid-Atlantic Ridge (1988)
    Nature Publishing Group
    In:  Nature, 333 (6168). pp. 64-66.
    Details
    Publication Date: 2014-04-25
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  • 19
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    Effects of microbe activity (1988)
    Nature Publishing Group
    In:  Nature, 333 (6168). pp. 17-18.
    Details
    Publication Date: 2019-05-06
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  • 20
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    Blidingia ramifera stat. nov. (Chlorophyta): a new marine alga for eastern North America (1987)
    Wiley-Blackwell
    In:  Nordic Journal of Botany, 7 (3). pp. 359-363.
    Details
    Publication Date: 2018-10-02
    Description: Blidingia minima var. ramifera is reported for the first time in eastern North America. It occurs in the Gulf of St. Lawrence, Nova Scotia and in Maine. In the estuary of the West and Rights Rivers (Antigonish Harbour, Nova Scotia) it is the most common intertidal alga and during its maximum growth period (June‐August) covers 75–90% of the intertidal zone for several km of shoreline at the mouth of the Rights River. In culture, spore germination and early development were typical of the taxon as described from Europe. The taxon is raised to specific status as Blidingia ramifera stat. nov. Blidingia subsalsa is confirmed from New England based on observations of spore germination in plants from Maine and Connecticut.
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  • 21
    Electronic Resource
    Electronic Resource
    Ubiquitous occurrence of 2-nitrofluoranthene and 2-nitropyrene in air (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 425-427 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Ambient particulate matter was sampled by three different methods. An ultra-high-volume 'mega-sampler'18, with a 50% cutoff point of 20 ?? and typically 6-h sampling periods, was used at Claremont, California, a site 40 km east of downtown Los Angeles. In Aurskog, Norway, a rural residential area, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/321425a0
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  • 22
    Electronic Resource
    Electronic Resource
    Comet Halley dust environment from SP-2 detector measurements (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 276-278 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The techniques used evolved from the near-Earth cosmic dust studies carried out on Kosmos satellites from 1966 to 19723. The SP-2 experiment4 comprises two types of particle impact sensor: an acoustic sensor and an ionization (plasma) sensor. The acoustic sensor consists of a thin circular plate ...
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    URL: http://dx.doi.org/10.1038/321276a0
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  • 23
    Electronic Resource
    Electronic Resource
    Endogenous retrovirus in multiple sclerosis? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 219-220 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-In their recent article1 Koprowski et al. described the presence, in sera from some patients suffering from multiple sclerosis, of antibodies reactive with anti-gens of the human T-lymphotropic viruses HTLV-I, -II and -III. Although the au-thors did not distinguish between healthy blood donors ...
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    URL: http://dx.doi.org/10.1038/320219c0
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  • 24
    Electronic Resource
    Electronic Resource
    Initial observations of fallout from the reactor accident at Chernobyl (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 192-193 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Early on 28 April 1986, an increased level of radiation was observed at the hot cell laboratory at Studsvik, located on the shore of the Baltic Sea, 75 km SSW of Stockholm. Rate meter readings increased from the normal 5-10 counts per second to 20-150 counts per s; higher than normal background ...
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    URL: http://dx.doi.org/10.1038/321192a0
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  • 25
    Electronic Resource
    Electronic Resource
    Growth factors: From the laboratory to the clinic (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 198-198 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HORMONE therapy is used for a wide range of disorders and the results of treatment are often dramatic. The work primarily involves the classical 'glandular' hormones that are released as circulating messenger systems because fairly large amounts of material are readily available and their target ...
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  • 26
    Electronic Resource
    Electronic Resource
    Transducing proteins: Chemotaxis gene unveiled (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 200-201 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENT work on chemotaxis in bacteria (Escherichia coli and Salmonella typhi-murium) has focused on transducers, a set of membrane proteins that process information about changes in concentration of various sugars and amino acids. Cells lacking any one of these proteins are defective in taxis for ...
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    URL: http://dx.doi.org/10.1038/321200a0
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  • 27
    Electronic Resource
    Electronic Resource
    Ada and the engines (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 224-224 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ADA, daughter of Byron, was born in 1815. Her mother, Annabella Milbanke, left Byron, who himself left England the following year-never to see his offspring again. In 1835 Ada married Lord King, who became the Earl and she the Countess of Lovelace in 1838. Five years earlier, in 1833 (not long, ...
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    URL: http://dx.doi.org/10.1038/320224a0
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  • 28
    Electronic Resource
    Electronic Resource
    Glycans explored (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 224-224 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CARBOHYDRATE structures can be one of the great turn-offs of student days. Be that as it may, the rise in interest in all aspects of the biological functions of glycopro-teins and proteoglycans means that there is an ever-widening audience of people keen to get to grips with them. This book does ...
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  • 29
    Electronic Resource
    Electronic Resource
    The ethics of human gene therapy (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 225-227 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WITHIN the next twelve months, it is likely that a proposal to perform gene therapy in humans will be submitted to local and national review bodies in the United States. The proposing research group will be based in one of the eight to ten laboratories in the world now pursuing molecular genetic ...
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  • 30
    Electronic Resource
    Electronic Resource
    Transitional field behaviour from Southern Hemisphere lavas: evidence for two-stage reversals of the geodynamo (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 228-232 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Palaeomagnetic records from Australasian basalts provide a rare view of transitional field behaviour, as seen from mid-southern latitudes. These data suggest that a geomagnetic reversal is accomplished in two steps, separated by an interval of relative dynamo quiescence. A potentially long-lived ...
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  • 31
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    Transfer of specificity by murine α and β T-cell receptor genes (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 232-238 
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    Notes: [Auszug] T-cell receptor α- and β-chain genes were isolated from a class I major histocompatibility complex-restricted cytotoxic T-cell clone and transferred by protoplast fusion into another cytolytic T-cell clone of different specificity. Expression of the transfected α- and β genes ...
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    Very Large Array observations of rapid non-periodic variations in OJ 287 (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 239-242 
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    Notes: [Auszug] The 5-GHz observations were made in the standard hybrid C-D configuration of the VLA over the UT interval 1983 May 23.859 to 1983 May 24.171, using both right and left circular polarizations in a 50-MHz bandwidth centred at 4.8851 GHz. To provide an internal check on the observations and to give ...
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    Are cometary nuclei primordial rubble piles? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 242-244 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The growing recognition of the importance of comets in understanding the origin of the Solar System has resulted in far more intensive study and observation of them in recent years. Observations made at greater heliocentric distances, at higher resolutions and with new techniques have occasionally ...
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    A new mechanism for the neutralization of enveloped viruses by antiviral antibody (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 244-246 
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    Notes: [Auszug] The in vitro replication of WNV can be enhanced up to 100-fold in the macrophage-like cell line P388D1 if infection is carried out in the presence of subneutralizing concentrations of antiviral antibody7. This is due to an increased interaction between virus particles, coated with subneutralizing ...
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    Direct laboratory determination of the 187 Re half-life (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 246-248 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Geochemists1 and astrophysicists2 have recognized that the isobaric pair 187Re-187Os could provide terrestrial, Solar System and cosmic chronologies. For these, the 187Re half-life is a necessary parameter. Recent determinations, which indicate a probable value of 4xl010yr, rely on accepted ages ...
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    Specific growth response of ras -transformed embryo fibroblasts to tumour promoters (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 258-258 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature 318, 472-475 (1985) THIS letter reported that a phorbol ester tumour promoter acted synergistically with an activated ras oncogene to stimulate the outgrowth of transformed foci in early passage rat embryo fibroblast cell cultures. However,, the authors neglected to cite an earlier study by ...
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    Evidence of changing concentrations of atmospheric CO 2 , N 2 O and CH 4 from air bubbles in Antarctic ice (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 248-250 
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    Notes: [Auszug] The ice core (BHD) used was thermally drilled to a depth of 473 m near the summit of Law Dome, Antarctica (6643' S, 11250'E; 1,375m) by the Australian National Antarctic Research Expedition in 1977. High precipitation rates (0.65 m yr"1), lack of melting at the firn surface (annual average ...
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    Geophysical modelling of the thermal history of foreland basins (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 252-256 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have modelled the subsidence of foreland basins as the response of an elastic or a viscoelastic plate to loading during erogenic compression1'3. A relationship has been shown to exist between the thermal state of the continental lithosphere and its response to mechanical loading3'5. Rapid ...
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    36 C1 in a halite layer from the bottom of the Dead Sea (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 256-257 
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    Notes: [Auszug] The two stable chlorine isotopes (35C1 and 37C1) show a small isotope effect of the order of 3%〉 (ref. 1) which can be used in studies of both recent and ancient evaporite deposits. A third isotope, 36C1, which is cosmogenic with a half-life of 301,000 yr, can be used not only as a tracer of the ...
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    A new prokaryote containing chlorophylls a and b (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 262-264 
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    Notes: [Auszug] Batch cultures of the strain were maintained on an orbital shaker at 20 C in a mineral medium5 at a photon-flux density of 30 jxE m2 s"1 (warm, white fluorescent lamps) and an alter-nating light/dark regime of 16 h: 8 h. The strain was character-ized by pigment analysis, electron microscopy and ...
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    Serial and parallel processing of visual feature conjunctions (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 264-265 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Visual search experiments were conducted with the aid of a Commodore 64 microcomputer and colour television monitor. Two types of experiment were performed, those where the observer's task was to see the unique target which differed from all others in one dimension only (simple); and those where ...
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    Homing behaviour of axons in the embryonic vertebrate brain (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 266-269 
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    Notes: [Auszug] Fig. 1 a-c, Whole-mounts of normal embryonic Xenopus brains with labelled optic pathways, viewed laterally (a at stage 33/34, c at stage 35/36). b, Growth cones from a at higher magnification, d-h, Camera lucida drawings of brains fixed at stages 33/34-40, during which time the retinotectal ...
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    Carbon-isotope events across the Precambrian/Cambrian boundary on the Siberian Platform (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 258-259 
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    Notes: [Auszug] The section studied comprises 250 m of carbonate rocks that include the Yudoma Formation of late Vendian age and the Pestrotsvet Formation of Tommotian age along the Aldan River (Dvortsy section, 57.47 N, 129.30 E, 650 km south of Yakutsk) on the Siberian Platform in Yakutia11"13. The ...
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    Radiolarian and silicoflagellate response to oceanographic changes associated with the 1983 El Niño (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 259-262 
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    Notes: [Auszug] The samples used in this study were collected with the Oregon State University single-cone traps equipped with five-cup sample changers1. The sampling period was 7 days for the first cup and - 100 days for each of the other four cups. At Site C the traps were deployed at 1,095, 1,895 and 3,495 m, ...
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    Pathway selection by growth cones of identified motoneurones in live zebra fish embryos (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 269-271 
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    Notes: [Auszug] Zebra fish embryos offer several advantages as a system in which to study neuronal development. The embryos are optically clear, and development occurs rapidly, so we can follow a neurone in a single individual from the time it is first recognizable until its axon reaches its targets. Here we ...
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    First isolation of HTLV-III (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 119-119 
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    Notes: [Auszug] SIR-We wish to address several points raised in a recent commentary in Nature1 regarding HTLV-III/LAV (human T-lymphotropic virus type III/lymphaden-opathy-associated virus), the aetiological agent of acquired immune deficiency syndrome (AIDS). It was mentiond that the CEM cell line infected with ...
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    Retrovirus-mediated transfer and expression of drug resistance genes in human haematopoietic progenitor cells (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 275-277 
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    Notes: [Auszug] The haematopoietic system consists of a hierarchy of cells with differing capacities for self-renewal, proliferation and differentiation. Haematopoietic stem cells are primitive cells that undergo both self-renewal and commitment to form progenitor cells10. Through extensive proliferation and ...
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    Structural alteration of viral homologue of receptor proto-oncogene fms at carboxyl terminus (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 277-280 
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    Notes: [Auszug] A AgtlO cDNA library of 2 x 106 clones prepared from total human term placental poly(A)+ RNA was screened at moderate stringency using a radioactively labelled Clal/Bglll (2.66 kilobases; kb) fragment ofv-fms (pSM-FeSV) as a hybridization probe (see Fig. 1 legend). Seventeen clones were isolated ...
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    Genomic diversity correlates with clinical variation in Ph′-negative chronic myeloid leukaemia (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 281-283 
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    Notes: [Auszug] The abl oncogene is located on chromsome 9 and previous in situ hybridization studies have shown that it is translocated to the Ph' chromosome in CML3"6. In situ hybridization of an 3H-labelled v-abl probe13 to metaphase cells of a Ph'-negative patient (patient 1) resulted in specific labelling of ...
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    Splice-site selection by a self-splicing RNA of Tetrahymena (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 133-139 
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    Notes: [Auszug] 5′ Splice-site selection by the self-splicing Tetrahymena ribosomal RNA precursor requires the formation of a particular RNA helix by base pairing between an intron ‘guide sequence’ and bases surrounding the 5′ splice junction. Part of the guide sequence subsequently holds ...
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    Structures in the coma of comet Halley (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 144-147 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The coma morphology and dust emission pattern of comet Halley, as revealed on photographic plates taken during the 1910 apparition1, have been used to determine the nucleus spin vector2. A verification of this result and the location of active regions on the nucleus is important for the space probe ...
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    Eukaryotic ribosomes that lack a 5.8S RNA (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 287-288 
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    Notes: [Auszug] Microsporidia, of which V. necatrix is representative, are parasitic eukaryotes with various interesting life cycles2. Micro-sporidian species infect virtually all types of animals, from invertebrates to man3. Their ribosomes and rRNAs have been reported to be prokaryotic in size; the ribosome is a ...
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    Taking a closer look at microbiology (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 290-292 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A NON-RADIOACTIVE DNA probe to rival avidin-biotin methods has emerged from the laboratories of Biotech Research (Reader Service No. 100). Beginning in May, Biotech will offer testing kits for viral and bacterial infection based on hapten-antibody binding. Because the system is chemical rather than ...
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    Tough talk on surrogate birth (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 95-95 
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    Notes: [Auszug] IT was always on the cards that the British government, by its failure to legislate more quickly on the recommendations of the Warnock committee, would allow a muddle to develop. It seems to have a useful ally in that cause in the British Parliament. The most urgent need is that the position of ...
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    Channel properties of an insect neuronal acetylcholine receptor protein reconstituted in planar lipid bilayers (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 171-174 
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    Notes: [Auszug] The purified receptor protein was first reconstituted into lipid vesicles produced from asolectin and cholesterol by dialysis12. These proteoliposomes were then fused with the intact bilayer12 to incorporate the purified receptor polypeptides. Both sides of the membrane were bathed in solution ...
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    What's in a name? (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 2-2 
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    Notes: [Auszug] EVERYTHING about Acquired Immune Deficiency Syndrome (AIDS) seems to be controversial. That will be many people's reaction to the report (see p.3) of the arguments that attend the launching this week (see p. 10) of the proposed name for the causative virus. The Varmus committee which has laboured ...
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    Animal protection: Critics assail West German law (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 5-5 
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    Notes: [Auszug] Hamburg THE Bundestag (the West German parlia ment) has now passed the amended form of the 1972 Animal Protection Act, intro duced by the minister of agriculture, nu trition and forestry in the federal govern ment, Ignaz Kiechle. But it seems unlikely that this development will silence the ...
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    Britain squeezed (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 7-7 
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    Notes: [Auszug] THE proposed cuts in French research spending may have a knock-on effect else where and, in particular, on British par ticipation in the European Synchrotron Radiation Facility (ESRF) to be built at Grenoble. The British Science and Engin eering Research Council (SERC), which has been keen to ...
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    Lawrence Berkeley laboratory: SDI brings back old problem (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 9-9 
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    Notes: [Auszug] Berkeley, California THE steep decline in federal support for magnetic fusion research and the concur rent growth in the Strategic Defense Ini tiative (SDI) budget are posing hard ques tions at Lawrence Berkeley Laboratory (LBL).Administrators and staff are hav ing to confront again a question ...
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    Molecular genetics: Understanding colour vision (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 12-13 
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    Notes: [Auszug] THOSE with deficient or anomalous colour vision live in different subjective worlds from the rest of us. Psychologists have been slow to take an interest in molecular genetics, but two recent papers by Jeremy Nathans and collaborators12 allow us to trace one detailed mechanism by which specific ...
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    Adrenergic receptors: Some similarities and surprises (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 15-15 
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    Notes: [Auszug] Two particularly striking results have emerged from the sequence, reported by Richard Dixon et al. on page 75 of this issue, of the gene for one of the most studied of all receptors, the (3-adrenergic receptor through which adrenaline and other catecholamines exert their physiological effects. The ...
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    Mathematics: Hermann Grassmann was right (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 17-17 
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    Notes: [Auszug] THE late nineteenth century witnessed many attempts to develop an algebra of ^-dimensional space, by analogy with the representation of the plane by complex numbers. Prominent among them was Hermann Grassmann's Die lineale Aus-dehnungslehre (The Calculus of Extension), published in 1844. Grassmann ...
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    Plutonium dumping? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 100-100 
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    Notes: [Auszug] REPORTS of plutonium on the seabed near the Loviisa nuclear power station in Fin-land have been greatly exaggerated, ac-cording to Erkkelkusof the Finnish Centre for Radiation and Nuclear Safety. But the reports have come at an embarrassing moment for Finland's nuclear energy in-dustry. The two ...
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    Prizes: US winners for Israeli prizes (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 101-101 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Rehovot US CITIZENS walked off with most of this year's Wolf Prizes, just as they did with most of the Nobel Prizes (although the prize categories are not identical). In mathematics, for example, the 100,000 Israel-based international award went to a pair of European-born Amer-icans, Professor ...
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    US science and technology: McTeague looks to the future (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 101-101 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington CONTEMPLATING the future of your agen-cy when it is faced with a 28 per cent budget cut is not a cheerful prospect. But that is the plight of John McTeague in his first weeks as acting director of the White House Office of Science and Technology Policy (OSTP). "We can operate with a ...
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    SSC in doubt (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 102-102 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Washington OBSERVERS on Capitol Hill are becoming suspicious that the US Department of Energy's possible mammoth accelerator project, the 60-mile-around Superconducting Supercollider (SSC), may be a hostage to the Gramm-Rudman deficit reduction act and perhaps to the cost of replacing the space ...
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    Canadian budget: New twist (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 102-102 
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    Notes: [Auszug] CANADA has introduced a "brand new twist" to the budget process in an attempt to increase money for research, and provide university research councils with "stability of funding for the next five years". But many, not least the research councils themselves, are not too clear on how this stability ...
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    Strategic Defense Initiative: Grilling for Abrahamson (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 102-102 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Washington A RARE glimpse of progress and problems with President Reagan's Strategic De-fense Initiative (SDI) was offered last week by Lt General James A. Abraham-son, chief of the SDI organization, baited by a feisty Senator William Proxmire (Democrat, Wisconsin), who kicked off the ...
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    Nuclear winter: Has winter become fall? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 103-103 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Blacksburg, Virginia Two years of intensive computer modelling have substantially refined the concept of "nuclear winter" but the diverse opinions on its strategic and diplomatic implications suggest that any real impact on US defence policy is still some years away. A conference last week that ...
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    South Africa and science for all (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 104-104 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Certain critics of South Africa are now threatening to invade the arena of the natural sciences. The objects of this vociferous minority, in essence a congerie of ill-informed scientists and non-scientists, are to isolate our scientific com-munity by impairing the free flow of scien-tists and ...
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    Ionic structure in aqueous electrolyte solution by the difference method of X-ray diffraction (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 52-53 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For the case of a salt MX dissolved in water, there are ten partial structure factors, Saf3(k) which contribute in varying degrees to the total structure factor F(k) (ref. 1). However, the (first-order) difference, AM(/c), between the total structure factors for any two chemically identical but ...
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    Molecular evidence for a terrestrial component of organic matter dissolved in ocean water (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 61-63 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The concentration of terrestrially derived organic matter in the marine DOM pool is one of the most ill-defined factors in the global carbon cycle1. The potential for a significant terrestrial contribution is evident from the calculation that the global DOM input by rivers2 is sufficient to support ...
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    Cyclic GMP-sensitive conductance of retinal rods consists of aqueous pores (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 70-72 
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    Notes: [Auszug] The cGMP-activated conductance of excised patches from salamander rod outer segments was greatly increased when both sides of the patch were bathed in solutions containing a very low concentration of divalent cations. For five patches in low concentrations of divalent cations (total less than 1 ...
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    A child's guide to Soviet science (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 105-105 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Moscow WHAT can be learned about Soviet science in a mere five days in Moscow? Not much, of course. But the way in which the Vega project has been conducted in the past week, with quite astonishing frankness and friendliness, points to some important questions about the nature of the enterprise, ...
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    Immunology: Antigen binding and T cells (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 106-107 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LYMPHOCYTE recognition of antigens is a crucial feature of the immune response and occurs by means of receptor mole-cules. Although these receptors have fun-damentally the same structure on the two major types of lymphocytes they work in very different ways. B cells, which use immunoglobulin ...
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    Palaeoceanography: Biomarkers for ancient climates (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 107-108 
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    Notes: [Auszug] ENVIRONMENTAL conditions of growth, particularly ocean temperature, are faith-fully recorded by the coccolithophorids - widely distributed marine phytoplankton. The record lies in the relative abundance of long-chain alkenones - complex orga-nic molecules of the lipid bilayer which control the ...
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    Behaviour rythms: A Drosophila ‘clock’ protein? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 108-109 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOSE of us who have experienced jet lag are aware that biological rhythms, including daily, or 'circadian', rhythms affect our behaviour. There are thus commercial as well as academic benefits to be gained from understanding the biology of clocks and the gene products that are essential for their ...
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    Visual cortex: Cholinergic input and plasticity? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 109-110 
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    Notes: [Auszug] THERE is a growing controversy in developmental neurobiology centred on the role of noradrenaline in the plasticity of the visual cortex of young mammals. One group maintains that depletion of noradrenaline results in a loss of plasticity, which can be restored by microperfusion (see refs 1,2), ...
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    African pre-history: Life in the Lake Victoria basin (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 110-111 
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    Notes: [Auszug] THE East African interlacustrine region, in particular the western part, has occupied a key position in Africa's later prehistory. Here, at the headwaters of the White Nile are well-watered plains, 1,000-1,500 m above sea level, which support a dense human population practising, in the recent past, ...
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    100 years ago (1986)
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    Nature 320 (1986), S. 111-111 
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    Notes: [Auszug] The La France above Paris. Facsimilie of an instantaneous photograph executed at the Observatory of Physical Astronomy, Meudon. From Nature 33 422, 4 March ...
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    Corrigendum (1986)
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    Nature 320 (1986), S. 112-112 
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    Notes: [Auszug] The article by Jeremy Berg (Nature 319 264; 1986), which discussed the repeated domains in the TFIIIA protein described by Miller et al. (EMBO J. 4 1609; 1986), should have men-tioned that the repeating nature of the TFIIIA sequence has been independently noted by R.S Brown and coworkers (Brown, ...
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    Ecology: Carnivore dominance and herbivore coexistence in Africa (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 112-112 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOST concepts of temperate-zone eco-logy are derived from studies in Europe and North America, but are such concepts really appropriate to the temperate zone of southern Africa? This issue was de-bated at two meetings last year in South Africa: a symposium on competition and coexistence, held by ...
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    AIDS therapy by blocking CD4 + cells (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 113-113 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-In a recent News and Views article1, Klatzmann and Montagnier discussed approaches to therapy of patients with acquired immune deficiency syndrome (AIDS), including immunosuppressive drug therapy, and, in particular, the case in which AIDS patients were treated with the drug cyclosporin A2. ...
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    Serotherapy for AIDS and pre-AIDS syndrome (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 113-113 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Acquired immune deficiency syndrome (AIDS) and the related pre-AIDS syndrome continue to spread1 with as yet no effective treatment. Vaccines are a hope for the future, but it is generally acknowledged that vaccines are unlikely to prove useful in established AIDS. Recent suggestions of using ...
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    Genetic prediction of cystic fibrosis (1986)
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    Nature 320 (1986), S. 114-114 
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    Notes: [Auszug] SIR-Brock and van Heyningen (Nature 319, 184; 1986) have reason to be a little indignant about the way their current prenatal test for cystic fibrosis was ignored, but they are wrong to state that first trimester prenatal diagnosis by gene tracking with linked DNA probes suffers from a major ...
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    Immunosuppressants in patients with AIDS (1986)
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    Nature 320 (1986), S. 114-114 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-An interesting rationale for the treatment of acquired immune deficiency syndrome (AIDS) with the immunosup-pressant cyclosporin A is based on the view that AIDS is an autoimmune disease1. Immunosuppressive drugs would be designed to reduce virus replications and autoimmune processes triggered ...
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    Science in Nepal: Poor outlook for development (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 675-675 
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    Notes: [Auszug] Kathmandu NEPAL is trying desperately to emerge from centuries of backwardness by creating a base of science and technology to sustain its economic development. The King of Nepal himself, Birendra Bir Bikram Shah Dev, has lent his weight to the current enthusiasm for a technological leap forward. ...
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    In defence of curiosity (1986)
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    Nature 320 (1986), S. 676-676 
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    Notes: [Auszug] SIR-In his comment1 on the exchange of letters between Gusella and Watt et al.2, John Maddox, while not denying the principle that discoveries are common property, puts unjustified restrictions on the application of this principle by presupposing a researcher's right "to demand a full account of ...
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    Theoretical physics: Superstrings and supersymmetry (1986)
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    Nature 320 (1986), S. 678-678 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONLY two years ago almost all elementary particle physicists considered the subject of 'superstrings' abstruse and irrelevant, perhaps because the number of space-time dimensions in which string theories can be consistently defined is somewhat unrealistic - either 10 or 26 or an astonishing 506. ...
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    Visual System: Mapping of motion perception (1986)
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    Nature 320 (1986), S. 680-681 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] How do we see the spatial form of a moving object? Although the visual system shows temporal integration over periods of the order of 50-100 milliseconds, moving targets do not appear smeared to anywhere near the degree that this implies1. Yet the detectability of such objects as a function of ...
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    Enkephalins: A new approach to pain relief? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 681-682 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is great interest in possible roles of the enkephalins, endogenous opioids that function as transmitters in synapses of the central nervous system. Many neurotrans-mitters in the brain, such as noradrenaline and several amino acids, are taken up by the terminal or glial cells following ...
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    Growth factor A-chain back in train (1986)
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    Nature 320 (1986), S. 683-683 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As soon as the limelight of oncogenes shone on the B-chain of platelet-derived growth factor (PDGF), the A-chain was cast in such a minor role that it was in danger of being forgotten. But after starring in two recent papers, one on page 695 of this issue and one published earlier this year (Nature ...
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    Electron microscopy: Coulomb explosions in metals? (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 684-684 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN comparison with bulk material, small particles containing less than a few hundred atoms have several anomalous properties, including low melting point, modified lattice parameters, multiple twinning and other structural defects or variations. These effects are of great interest in basic science ...
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    100 years ago (1986)
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    Nature 320 (1986), S. 685-685 
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    Notes: [Auszug] From Nature 33, 587; 1886. THE deviations of the compass produced by the iron used in the construction of wooden ships was a source of considerable perplexity to the navigators of the last and early part of the present centuries; and no sooner were these difficulties overcome than the building of ...
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    Interleukin terminology in disarry (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 687-688 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Your comment on the unfortunate duplication of the term interleukin-4 (IL-4) for two distinct lymphokines is a very fair summary of the situation1. We wish to explain how this confusion came about, and to point out that no effective framework exists for the naming of lymphokines. When we first ...
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    Molecular stratigraphy: a new tool for climatic assessment (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 129-133 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Variations in sea-surface temperatures over the past 500,000 years are inferred from the relative abundance behaviour of two organic compounds, C37 alkenones over the upper 8 metres of a sediment core from the eastern equatorial Atlantic. This molecular record, ascribed to contributions ...
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    Human oestrogen receptor cDNA: sequence, expression and homology to v- erb-A (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 134-139 
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    Notes: [Auszug] We have cloned and sequenced the complete complementary DNA of the oestrogen receptor (ER) present in the breast cancer cell line MCF-7. The expression of the ER cDNA in HeLa cells produces a protein that has the same relative molecular mass and binds oestradiol with the same affinity as the MCF-7 ...
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  • 98
    Electronic Resource
    Electronic Resource
    The AMPTE artificial comet experiments (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 700-703 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In July last year and in December 1984, barium clouds were injected into the solar wind from the AMPTE satellite. The clouds resembled those of natural comets in that a head and tail were clearly visible. Tail rays formed with speeds of a few tens of kilometres per second, and other structures ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/320700a0
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  • 99
    Electronic Resource
    Electronic Resource
    In situ magnetic field observations of the AMPTE artificial comet (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 708-711 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Magnetometers aboard the IRM and UKS spacecraft monitored the magnetic field during the AMPTE artificial comet experiment of 27 December 1984. Rapid photoionization of the released barium vapour resulted in the formation of a magnetic cavity, shielded from the ambient magnetic field. The presence ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/320708a0
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  • 100
    Electronic Resource
    Electronic Resource
    UKS plasma measurements near the AMPTE artificial comet (1986)
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 712-716 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UKS observations of the ionized barium and disturbed natural plasmas 170 km from the centre of the artificial comet release of 27 December 1984 lasted over 4 minutes. During this disturbance, solar-wind ions were retarded and deflected southwards and dawnwards, while barium was accelerated ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/320712a0
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