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  • Nature Publishing Group  (33,321)
  • 1980-1984  (17,607)
  • 1950-1954  (15,714)
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  • 1
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    Relative departures in July temperatures in northern Canada for the past 6,000 yr (1981)
    Nature Publishing Group
    In:  Nature, 289 (5794). pp. 164-167.
    Details
    Publication Date: 2016-04-11
    Description: There has been concern about recent temperature trends and the future effects of CO2 concentrations in the atmosphere1,2; but instrumental records only cover a few decades to a few centuries and it is essential that proxy data sources, such as pollen spectra from peats and lake sediments, be carefully interpreted as climate records. Several workers have shown statistically significant associations between the modern pollen rain and climatic parameters, an approach that by-passes the recognition of pollen/vegetation units. Statistically defined equations that associate abiotic and biotic elements are called transfer functions. We report here on the application of transfer function equations to nine middle and late Holocene peat and lake sediment sequences from northern Canada (Fig. 1).
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  • 2
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    Particulate organic carbon flux in the oceans-surface productivity and oxygen utilization (1980)
    Nature Publishing Group
    In:  Nature, 288 (5788). pp. 260-263.
    Details
    Publication Date: 2016-03-01
    Description: Organic detritus passing from the sea surface through the water column to the sea floor controls nutrient regeneration, fuels benthic life and affects burial of organic carbon in the sediment record. Particle trap systems have enabled the first quantification of this important process. The results suggest that the dominant mechanism of vertical transport is by rapid settling of rare large particles, most likely of faecal pellets or marine snow of the order of 〉200 μm in diameter, whereas the more frequent small particles have an insignificant role in vertical mass flux4–6. The ultimate source of organic detritus is biological production in surface waters of the oceans. I determine here an empirical relationship that predicts organic carbon flux at any depth in the oceans below the base of the euphotic zone as a function of the mean net primary production rate at the surface and depth-dependent consumption. Such a relationship aids in estimating rates of decay of organic matter in the water column, benthic and water column respiration of oxygen in the deep sea and burial of organic carbon in the sediment record.
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  • 3
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    Meandering of the subtropical front south-east of the Azores (1982)
    Nature Publishing Group
    In:  Nature, 300 (5889). pp. 245-246.
    Details
    Publication Date: 2018-03-08
    Description: A subtropical front was observed in the area south and southeast of the Azores during cruises of FS Meteor and FS Poseidon in early 1982. The front has a basically west–east extension, with considerable meandering observed. Meso-scale eddies are found on both sides. The overall flow pattern corresponds to earlier results on geopotential differences in the upper northeast Atlantic, but the baroclinic transport of the order of 107 m3 s−1 is found to be concentrated in a 60-km wide jet. We suggest here that the current band is part of the gyre circulation, resulting from a branching of the North Atlantic Current.
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  • 4
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    Fluxes of biogenic components from sediment trap deployment in circumpolar waters of the Drake Passage (1982)
    Nature Publishing Group
    In:  Nature, 299 (5879). pp. 145-147.
    Details
    Publication Date: 2019-01-21
    Description: Circumpolar surface waters dominate the circulation of the Southern Ocean and sustain one of the ocean's largest standing stocks of biomass thereby producing a significant output of biogenic components, mainly diatoms, to the bottom sediments. Generally transit of biogenic matter from the sea surface to the sea floor affects nutrient regeneration fuels benthic life and transfers signals to the sediment record1–5. Reliable quantification of the relationship between biological production, fractionation of skeletal and tissue components and bottom sediment accumulation depends on direct vertical flux measurements from sediment trap deployments6–9, which have proved to be most scientifically productive10–13. We now present data on vertical mass fluxes from the Southern Ocean and evidence for strong biogeochemical fractionation between organic carbon-, nitrogen- and phosphorus-containing compounds, siliceous and calcareous skeletal remains, and refractory aluminosilicates.
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  • 5
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    Glacial and interglacial wind regimes over the eastern subtropical Atlantic and North-West Africa (1981)
    Nature Publishing Group
    In:  Nature, 293 (5829). pp. 193-196.
    Details
    Publication Date: 2016-09-02
    Description: Analysis of aeolo-marine dust deposits in the subtropical eastern Atlantic enables the strength of the major wind patterns during the late Quaternary to be evaluated and gives an insight into the climate of North Africa.
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  • 6
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    The first fossil cephalopod statoliths to be described from Europe (1980)
    Nature Publishing Group
    In:  Nature, 287 (5783). pp. 628-630.
    Details
    Publication Date: 2016-11-15
    Description: Statoliths of cephalopods are small, hard calcareous stones which lie within the cartilaginous skulls of octopods, sepioids and teuthoids1. Fossil statoliths, clearly belonging to genera which are alive today, have previously been described from 11 Cenozoic deposits spanning from the Eocene to the Pleistocene in North America2–5. Such statoliths are of particular interest because they provide a means of studying the evolution of living cephalopod groups which have no calcareous shells, including the cosmopolitan and numerous teuthoids and octopods. Here, the first cephalopod statoliths to be recognized in European deposits are described and identified as Loligo sp. They are compared with the North American fossil Loligo species and statoliths removed from the two living Loligo species of Europe.
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  • 7
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    Mantle plume noble gas component in glassy basalts from Reykjanes Ridge (1983)
    Nature Publishing Group
    In:  Nature, 305 (5933). pp. 403-407.
    Details
    Publication Date: 2016-11-23
    Description: Basalts from the Reykjanes Ridge contain noble gases delivered from the non-degassed lower mantle by the Iceland plume. These lower mantle gases are thought to be a mixture of planetary and solar components, as would be expected if the Earth accreted from fine silicate particles.
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  • 8
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    Giant squids may die when exposed to warm water currents (1983)
    Nature Publishing Group
    In:  Nature, 303 (5916). pp. 422-423.
    Details
    Publication Date: 2019-04-16
    Description: Strandings of the giant squid, Architeuthis monachus (Steen-strup), have always stirred attention because of the rarity and enormous size of these cephalopods. These animals have never been observed in their natural habitat and little is known about their physiology and ecology. Stranding of giant squids in Newfoundland waters has been correlated with the inflow of warm water, suggesting that increased temperature may be causing their death1. Squids have also been carried to the Norwegian coast with the warm North Atlantic current2 and on 23 August 1982 a live specimen was caught off Radöy near Bergen, Norway (Fig. 1). This catch gave an unprecedented opportunity to study the effects of temperature on the oxygen binding properties of blood from the giant squid. The present finding of an excess of a fourfold decrease in O2 affinity when temperature is increased from 6.4 to 15°C strongly suggests that giant squids may suffocate from arterial desaturation when increased ambient temperatures are experierced.
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  • 9
    Electronic Resource
    Electronic Resource
    FDA on overseas data: US drag market to open up? (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 772-772 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington New drugs may be approved for sale in the United States solely on the basis of foreign data under a proposed reorganization of the Food and Drug Administration (PDA) new drug application process. One effect may be to facilitate the entry of drugs developed abroad into the US market. ...
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    URL: http://dx.doi.org/10.1038/299772a0
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  • 10
    Electronic Resource
    Electronic Resource
    Recent advances in optical bistability (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 779-780 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN recent years, optical bistability has been a subject of intense research in quantum electronics because of its potential usefulness in optical data processing and all-optical logic and computing systems1. There has already been a conference on the topic2, and at the Xllth International Quantum ...
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    URL: http://dx.doi.org/10.1038/299779a0
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  • 11
    Electronic Resource
    Electronic Resource
    Hot galactic gas and narrow line quasar absorption systems (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 783-788 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Observations of the hot interstellar gas (T ≫ 104 K) are numerous and imply that the temperatures of substantial amounts of the disk gas to be 2–3 × 105 K and of the halo gas to be 8 × 104 K, but the theoretical models to explain the ...
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    URL: http://dx.doi.org/10.1038/299783a0
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  • 12
    Electronic Resource
    Electronic Resource
    Terrestrial-type xenon in meteoritic troilite (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 807-810 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Radiogenic 129Xe has been observed in samples from the Earth's mantle, but the abundance pattern of the eight nonradiogenic isotopes is atmospheric rather than chondritic6. Terrestrial' Xe will therefore be used instead of 'atmospheric Xe' in referring to the relative abundances of the ...
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    URL: http://dx.doi.org/10.1038/299807a0
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  • 13
    Electronic Resource
    Electronic Resource
    Phase transition in KOH-doped hexagonal ice (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 810-812 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The presence of residual entropy implies a lack of thermal equilibrium in the crystal below a certain temperature. In fact, we have observed relaxational heat-capacity anomalies of - 100 K for ordinary ice5 and 115 K for heavy ice6, and have studied the associated enthalpy relaxation by subjecting ...
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    URL: http://dx.doi.org/10.1038/299810a0
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  • 14
    Electronic Resource
    Electronic Resource
    MERLIN observations of superluminal radio sources (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 788-793 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Powerful extragalactic radio sources may all be members of a single family in which those showing superluminal behaviour are the ones in which a relativistic jet is directed towards the observer. The superluminal sources are shown to have extended radio structures the form of which is consistent ...
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    URL: http://dx.doi.org/10.1038/299788a0
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  • 15
    Electronic Resource
    Electronic Resource
    The Crab Nebula's progenitor (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 803-805 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Briefly, the Crab consists of a pulsar (assumed here to have a mass of ^lAM) and a nebula mass of 1.2-3.0M (refs 5,6) which has a helium overabundance of l.6〈XHc/XH〈S (where X is an element's mass fraction). The oxygen abundance (X0) is -0.003 (refs 5, 6), which is less than the solar value ...
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    URL: http://dx.doi.org/10.1038/299803a0
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  • 16
    Electronic Resource
    Electronic Resource
    Lemurs, dead and alive (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 843-843 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE prosimians, commonly referred to as "lower primates", can be loosely regarded as representing a primitive grade closer to the ancestral primate condition than the modern monkeys and apes. For this reason, any study of primate evolutionary biology is particularly dependent upon an understanding ...
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    URL: http://dx.doi.org/10.1038/299843a0
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  • 17
    Electronic Resource
    Electronic Resource
    Is the long recession at an end? (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 667-667 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hurrah, the long recession is coming to an end. That is the simplest interpretation of what has happened in the past few weeks on the international stock markets, Wall Street in particular. For if people are willing once again enthusiastically to invest in the shares of industrial corporations ...
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  • 18
    Electronic Resource
    Electronic Resource
    Swedish crisis: keeping tryst (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 668-669 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sweden's Social Democratic Party was returned to power last month with an election platform that included a major commitment to science, higher education and technical research. The first actions of the new government, however, were to devalue the krona and to announce the guidelines of a new ...
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  • 19
    Electronic Resource
    Electronic Resource
    Tropical medicine: WHO programme blessed (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 670-670 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The World Health Organization (WHO) Special Programme on Research and Training in Tropical Diseases has done well during its first five years of operation, according to the report of an external review committee set up by Dr D.E. Bell of the Harvard School of Public Health at the instance of the ...
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  • 20
    Electronic Resource
    Electronic Resource
    Differential expression of steroid sulphatase locus on active and inactive human X chromosome (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 838-840 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The affected males in the pedigree shown in Fig. 1 have X-linked ichthyosis13 and complete deficiency of microsomal STS activity, based on assays using cholesterol sulphate and dehydroepiandrosterone sulphate (DHEAS) as steroid substrates (Tables 2, 3). Heterozygotes II-4, II-7 and II-8 are ...
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  • 21
    Electronic Resource
    Electronic Resource
    UK universities: Ex-premier attacks Thatcher (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 671-671 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mr Edward Heath, the former Conservative Prime Minister, fresh from his denunciation earlier this month of government economic policy, last week broadened his attack on his party's government to the field of higher education. Speaking at the London School of Hygiene and Tropical Medicine, he ...
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  • 22
    Electronic Resource
    Electronic Resource
    French reactors (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 672-672 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The French construction programme for nuclear reactors may be halved in 1984 and 1985, if budget-conscious elements in the government have their way. The reason: a ballooning government deficit and borrowing requirement, immense debts of FF120,000 million (£10,000 million) at Electricite de ...
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  • 23
    Electronic Resource
    Electronic Resource
    Antarctic sulphate budget (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 677-678 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ANTARCTICA represents a vast island remote from the other continents of the Southern Hemisphere. Most of the continent is covered by several kilometres of ice and the total ice-free area is very small. On the high central plateau the air is the cleanest in the world and the impurity content of the ...
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    URL: http://dx.doi.org/10.1038/299677a0
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  • 24
    Electronic Resource
    Electronic Resource
    Activity in red-dwarf stars (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 680-681 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY red-dwarf stars exhibit rotational light-curve modulation (the BY Draconis phenomenon) and flaring behaviour in the optical and radio regions of the spectrum (the UV Ceti phenomenon). Within the past decade, improved detectors, satellites and radio interferometry have led to a revolution in ...
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  • 25
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    Mitochondrial and chloroplast genomes of maize have a 12-kilobase DNA sequence in common (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 698-702 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A 12-kilobase DNA sequence has been identified in the maize mitochondrial genome which is homologous to part of the inverted repeat of the maize chloroplast genome. In chloroplasts the sequence contains a 16S rRNA gene, and also the coding sequences for tRNAIle and ...
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  • 26
    Electronic Resource
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    Surface studies on a leached sphene glass (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 708-710 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CaTiSiO5 glasses were prepared by melting an intimately mixed charge of calcium carbonate, titanium dioxide and silica at 1,450 C for 1 h, followed by casting 1-cm diameter cylinders in stainless steel moulds. The tendency of the glass to crystallize or phase separate was avoided by keeping the ...
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  • 27
    Electronic Resource
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    Use of γ -zirconium phosphate for Cs removal from radioactive waste (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 707-708 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The crystalline phases of zirconium phosphate have layer structures similar to 2:1 clay minerals11'13. The crystalline phase with a composition Zr(HPO4)2 * H2O is called a-zirconium phosphate (a-ZrP) while Zr(HPO4)2 o 2H2O is called y-zirconium phosphate (y-ZrP). (The extensive literature on ...
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  • 28
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    10 Be in island-arc volcanoes and implications for subduction (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 718-720 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The distinctive characteristics of the volcanoes ringing the great Pacific Basin and lining the Java-Sumatra arc were recognized long before the current ideas that relate them to subducting lithospheric plates found favour. Nevertheless, it was the notion of a dynamic mantle that gave the study of ...
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  • 29
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    Heterogeneous sensitivity of cultured dorsal root ganglion neurones to opioid peptides selective for µ - and δ -opiate receptors (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 730-732 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For these studies we selected the opioid peptides morphicep-tin and leucine-enkephalin. Leucine-enkephalin (Leu-enke-phalin) is about 1,000-fold more potent than morphiceptin at 8 -receptors whereas the two ligands are approximately equipotent at pt-receptors11'17'18'22'29. Preparation of mouse ...
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  • 30
    Electronic Resource
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    Murine model for pertussis vaccine encephalopathy: linkage to H – 2 (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 738-740 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During a study of the effects of B. pertussis as an adjuvant in experimental allergic encephalomyelitis (EAE)7, we discovered a lethal shock-like syndrome in BALB/c mice after immunization with heat-killed B. pertussis vaccine and sensitiz-ation to bovine serum albumin (BSA). Heat-killed B. ...
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  • 31
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    Chromosomal localization of human cellular homologues of two viral oncogenes (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 747-749 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two mammalian and four avian cell-derived viral oncogenes encoding proteins with tyrosine-specific protein kinase activity have been described1. One of these, c-fes, is represented within the genomes of two independent isolates of feline sarcoma virus (FeSV), Gardner and Snyder-Theilen, both of ...
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  • 32
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    Redesigning enzyme structure by site-directed mutagenesis: tyrosyl tRNA synthetase and ATP binding (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 756-758 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The tyrosyl tRNA synthetase (TyrTS) catalyses the aminoacylation of tRNATyr with tyrosine by a two-step mechanism in which tyrosine is first activated by ATP to form tyrosyl adenylate and then transferred to tRNATyr (refs 1,2). The nucleotide sequence of the gene has been determined from a clone in ...
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    GABA directly affects electrophysiological properties of pituitary pars intermedia cells (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 733-734 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Isolated endocrine cells of rat pars intermedia maintained in vitro spontaneously discharge action potentials6 which are Na spikes with a Ca component11. In such cells, GABA (2x 106 or 1 x 105 M) elicited a brief flurry of action potentials of diminishing amplitude, followed by arrest of action ...
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    Cloned HBV DNA causes hepatitis in chimpanzees (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 740-742 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Composition of the DNA mixture used for inoculation and transfection of chimpanzee Physical state HBV DNA species HBV 14 HBV 2 HBV 6 Tandem duplications pSHH 14.3 (40 pmol) pSHH2.1 (8 pmol) Closed rings pHBV 14.1 (8 pmol) pHBV6(6 pmol) Source, physical state and amount of ...
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    Rearrangements between the immunoglobulin heavy chain gene J H and C µ regions accompany normal B lymphocyte differentiation in vitro (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 742-744 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rearrangements between /H and C^ sequences were first detected among immimoglobulin-secreting hybridoma and plasmacytoma populations5'7. However, these rearrangements were largely dismissed due to the possibility that they represented tumour artefacts in these cell populations9. We therefore sought ...
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    Electron microscopy of t -allele synaptonemal complexes discloses no inversions (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 752-754 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The cross-over suppression of t haplotypes masks the true genetic nature of the region. It has previously been convenient to consider the t alleles as point mutations mapping near T. Lyon's thorough analysis of this chromosomal region using rare cross-overs established the non-allelism of several ...
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    Tapping the immunological repertoire to produce antibodies of predetermined specificity (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 592-596 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We understand the structure of antibodies in detail, but know little about the molecular basis of the immunogenicity of proteins. Recent experiments have shown that chemically synthesized peptides representative of virtually any part of the surface of a protein can elicit antibodies reactive with ...
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    Arsenic in Napoleon's wallpaper (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 626-627 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] After Napoleon Bonaparte's death in May 1821, autopsy revealed an enlarged liver and a stomach lesion12. However, later neutron activation analyses of his hair4'8 have found abnormal quantities of arsenic in some (but not all) samples from his period on St Helena. Forshufvud and Weider have argued ...
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    Induction of immortality is an early event in malignant transformation of mammalian cells by carcinogens (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 633-635 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rapidly dividing fusiform cells which, in minimal media, dominate cell cultures derived from primary tissue, are generally assumed to be fibroblasts. Even though the precise origin of cells which adapt easily to culture has not been established14, they have formed the basis of most cell culture ...
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    Ia invariant chain detected on lymphocyte surfaces by monoclonal antibody (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 644-645 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The belief that Is chains were not expressed on the cell surface was based on the finding that Ij chains are only observed when metabolically labelled antigens are immunoprecipitated with anti-la antibodies and not when surf ace-iodinated material was investigated4. In an attempt to raise ...
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    Discordant layering relations in the Fongen–Hyllingen basic intrusion (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 625-626 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The 160 km Fongen-Hyllingen basic complex2 (Fig. 1) is a strongly differentiated layered intrusion situated in the Trond-heim region of Norway (11.5E, 63 N). In spite of being emplaced synorogenically before the culmination of the Caledonian regional deformation and metamorphism5, it exhibits ...
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    Retroviruses induce granulocyte–macrophage colony stimulating activity in fibroblasts (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 638-640 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Granulocyte-macrophage colony forming cells (GM-CFC) are haematopoietic progenitor cells which respond to GM-CSA by proliferation and differentiation in vitro10 yielding either pure or mixed colonies of granulocytes and macrophages. Sera of mice having virus-induced leukaemias contain large amounts ...
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    Post-transcriptional control of tubulin biosynthesis during leishmanial differentiation (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 650-652 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Total cellular poly(A)+ RNA was extracted from the promastigotes by phenol-SDS extraction13 and oligo(dT)-cellulose elu-tion14. RNA was translated in wheat germ15 and rabbit reticulocyte lysate16 cell-free systems and the products were compared with in vivo metabolically labelled proteins. As shown ...
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    Australian Physiology congress:ICSU blacklist (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 481-481 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Canberra The Australian Academy of Science has averted the withdrawal by the International Union of Physiological Science (IUPS) of sponsorship for the physiology congress scheduled to take place in Sydney in August-September next year. As a consequence of the Australian government's refusal to ...
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    Brain catecholamines in schizophrenia : a good case for noradrenaline (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 484-486 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the last two decades, brain catecholamines, and in particular dopamine, have played a prominent part in hypotheses of the neurobiology of schizophrenia. Briefly, the dopamine hypothesis states that in the schizophrenic brain, some critical dopamine systems are in a state of continuous ...
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    Deme histories are not species' histories (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 490-490 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SAMPLING any fossiliferous outcrop on a centimetre-by-centimetre scale has the potential to provide detailed complete population histories over geologically short time spans (see, for example, refs 8,9). Such patterns of morphological history are, however, representative only of local populations, ...
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    US national security leakages: Academics mostly absolved (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 479-479 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington US universities have not done significant harm to US national security by the leakage of technical information. This is the conclusion of a report* by a panel of the US National Academy of Sciences (NAS) released last week. While agreeing with the government that the leakage of ...
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    Swedish science Medal: One way out (1982)
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    Nature 299 (1982), S. 481-481 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Stockholm Last week, Sweden's new prize for science, endowed by the late Holger Crafoord, inventor of the blood dialysis machine, and his wife Anna-Greta Crafoord, was presented for the first time. The prize was awarded jointly to two mathematicians, Professor Louis Nirenberg of the Courant ...
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    Sequences on-line (1982)
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    Nature 299 (1982), S. 482-482 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - The recent letter from C. Saccone et al. (Nature 1 July, p.8) implies that nucleic acid databases are available for European research workers only by mailing of magnetic tapes. Your readers may be interested to know that an extensive nucleic acid sequence database, including the one released ...
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    Bioagrimedigen (1982)
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    Nature 299 (1982), S. 502-502 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Journal of Molecular and Applied Genetics. Editor H.M.Goodman. 6/yr. (Raven.) $80 US, $90 elsewhere (personal); $135 US, $145 elsewhere (institutional). THE Journal of Molecular and Applied Genetics (JMAG) is designed to find a place in the library of every ...
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    Good food guide (1982)
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    Nature 299 (1982), S. 502-502 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Appetite. Chief editor D. Booth. 4/yr. (Academic.) £20.80, $54.50 (personal); £41.50, $109 (institutional). FIRST impressions of a new journal are like those of a new house: it's somehow incomplete, empty and echoing. The first issues of Appetite are certainly like that - ...
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    Take the strain (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 504-504 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Journal of Neuroimmunology. Editors-in-chief C.S.Raine and P.O.Behan. 6/yr in 2 vols. (Elsevier Biomedical.) Dfl. 450, $180. THE new Journal of Neuroimmunology (JN) is trying to provide a meeting point for neuropathologists and those who use immunological methods as a tool to study the ...
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    In need of brief analysis? (1982)
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    Nature 299 (1982), S. 506-506 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Behaviour Analysis Letters. Editors J.E.R.Staddon and C.M.Bradshaw. 6/yr. (Elsevier Biomedical.) Dfl. 205, $82. THE titles of journals commonly use a sort of code. "Letters" in Behaviour Analysis Letters (BAL) is not hard to crack. It means short papers (the editors stipulate 2,500 words ...
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    Weather report: outlook fair (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 511-511 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Journal of Climatology. Editor S.Gregory. 4/yr. (Wiley.) £48.50 UK, $97.50 elsewhere. ONLY a few decades ago climatology was seen as a purely descriptive part of meteorology, at best a rather poor second cousin to a true scientific subject. Today few would argue that climatology has ...
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    Exploration of the primary visual cortex, 1955–78 (1982)
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    Nature 299 (1982), S. 515-524 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The following article is the lecture delivered by the author in Stockholm on 8 December 1981 when he received the Nobel Prize in Medicine or Physiology which he shared with Roger Sperry and Torsten Wiesel. The article is published here with permission from the Nobel Foundation and will also be ...
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    100 years ago (1982)
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    Nature 299 (1982), S. 400-400 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ELECTRIC NAVIGATION THE idea of propelling a boat through water by the motive power of electricity is no new one. The invention of the electromagnet showed the power of an electric current to produce a mechanical force. It was no very difficult matter, therefore, for the electricians of fifty ...
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    Serotonin and cyclic AMP close single K + channels in Aplysia sensory neurones (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 413-417 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have identified a serotonin-sensitive K+ channel with novel properties. The channel is active at the resting potential; its gating is moderately affected by membrane potential and is not dependent on the activity of intracellular calcium ions. Application of serotonin to the ...
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    Temporal variations in dissolved selenium in a coastal ecosystem (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 431-433 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Selenium is a unique example of a multiple oxidation state trace element in that the thermodynamically unfavourable species, Se(iv), persists throughout the water column in oceanic profiles4. This phenomenon may be a result of bioreduction of the dominant higher oxidation state, Se(vi), in surface ...
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    Pseudocholinesterase staining in the primary visual pathway of the macaque monkey (1982)
    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 439-442 
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    Notes: [Auszug] In the brains of nine adult rhesus macaque monkeys, we studied the distributions of BuChE and AChE in serially adjoining sections through the lateral geniculate body and pulvinar nuclei of the thalamus and through the striate and peristriate cortex. We related these, in turn, to the distribution of ...
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    Olivine transformed (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 705-705 
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    Notes: [Auszug] J.D. BERNAL (like W.L. Bragg) applied his knowledge of crystal structures to a broad range of topics and, as early as 1936, was able to suggest that the mineral olivine, (MgjFe^SiO^, would transform to the spinel structure at the high pressures found deep in the Earth's mantle. There is now much ...
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    Shear stress in fault zones (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 708-708 
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    Notes: [Auszug] SINCE estimates of the shear stress acting on fault zones at major plate boundaries vary by at least an order of magnitude, such fundamental issues as the driving mechanism of plate tectonics and the energetics of crustal faulting remain entirely unresolved1. The shear stresses in the Earth's crust ...
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    Was the 1970 geomagnetic jerk of internal or external origin? (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 726-728 
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    Notes: [Auszug] The geomagnetic field has a rich spectrum of temporal changes from audio frequencies to thousands of years. In general, the short-term variations (with time scales of a year or less) are of external origin relative to the Earth's surface, though they have a smaller internal component due to ...
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    Genes for immunoglobulin heavy chains and for α 1 -antitrypsin are localized to specific regions of chromosome 14q (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 428-430 
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    Notes: [Auszug] Fig. 1 Chromosomes observed with G-banding. The normal chromosome 14 and r(14) in pro-band of family 1 is shown with the deleted region marked by an arrow. The normal chromosome 14 and inv(14) in family 2 is shown with breakpoints indicated by brackets. The diagram (centre) shows the prometaphase ...
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    Isolation and structural organization of the human preproenkephalin gene (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 431-434 
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    Notes: [Auszug] A human genomic DNA library10, kindly provided by Dr T. Maniatis, was screened for phage carrying preproenkephalin gene sequences by hybridization in situ11 at 60 C with the bovine cDNA probe1. The DNA inserts carried by the isolated hybridization-positive phage clones were subjected to restriction ...
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    All-or-none response of the Ca 2+ -dependent K + channel in inside-out vesicles (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 744-746 
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    Notes: [Auszug] 86Rb fluxes were measured at room temperature and in equilibrium exchange conditions. In vesicles loaded with 86Rb during the vesiculation step, the addition of Ca2+ to the medium elicited a rapid release of 86Rb, the efflux rate constant returning close to control values (without Ca2+) after 10-20 ...
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    Pleistocene and Holocene climates in Africa (reply) (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 779-780 
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    Notes: [Auszug] TETZLAFF, SARNTHEIN AND WOLTER REPLY-The comments of Nicholson give us the opportunity to clarify possible misunderstandings of our concepts and conclusions on the underlying causes of climatic change in North Africa1. Nicholson particularly questions our evidence of 'stable' latitudinal positions ...
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    All around andesites, and beyond (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 439-439 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A THOROUGH, up-to-date review of orogenic andesites has long been needed and is especially welcome at this time, when many petrologists are taking stock of this, group of rocks and their interpretation in terms of accepted concepts of plate tectonics. In undertaking this formidable task, James Gill ...
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    How ionizing radiation affects cells (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 440-440 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME of the best epidemiological data relating carcinogenic risks to environmental hazards comes from research into the consequences of exposure to ionizing radiation. The recent recalculation of dosimetry at Hiroshima and Nagasaki has just about eliminated any effects in these populations ...
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    News of conception, pure and applied (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 785-785 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent upsurge of attention paid in the public media to the growing number of normal childbirths following the fertilization of human eggs in vitro, and the culture and reinsertion of the resulting embryos into their "mothers", must serve as welcome publicity for these two books, both of which ...
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    The principles of vision enumerated (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 441-441 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE stated aim of Uttal's book is to "... systematize the data base of perceptual psychology into a comprehensive intellectual scheme ...". When the route to this goal runs through 1,100 pages and over 3,000 references, it must involve to a fair degree the exposition of the "data base" itself, and ...
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    [Book Reviews ‘picture story’] (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 441-441 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The art of M.C. Escher: this picture, Mobius Strip II (Red Ants), is reproduced from Escher, edited by J.L. Locher and recently published by Thames & Hudson, London, and Abrams, New York. The book, containing both a copiously illustrated catalogue of Escher's graphic work and a biography, costs ...
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    Inner machinery of the silicon chip (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 442-442 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOST silicon integrated circuits are smaller in size than a fingernail and contain many thousands of working elements, the most common of which is the metal-oxide-semi-conductor (MOS) transistor. In this, all of the important electronic activity takes place in a minute volume, a layered structure ...
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    Statistical expertise on the shelf (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 442-442 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR some years now, Sokal and Rohlfs Biometry has enjoyed considerable success as a statistics text for biologists. Knowing this, my first impressions of the second edition were less favourable than I had expected. While the opening chapters are written in an attractive enough style and deal with ...
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    Western diets and faecal nitrosamines (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 780-780 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE paper by Suzuki and Mitsuoka1, while apparently demonstrating clear differences in nitrosamine production in individuals on different diets, makes unwarranted claims for the significance of these findings. Japan has a low incidence rate of large bowel cancer compared with the United States2 or ...
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    Science parks: Easy answer? (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 597-597 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With cuts in government support hitting UK universities hard, the scramble to set up science parks is on - 15 were launched last year. Few university schemes are actually in operation, and newcomers must look to Trinity College, Cambridge, the first British academic institution to open a science ...
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    US cancer trends (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 598-598 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Your article on the US Surgeon General's report The Health Consequences of Smoking: Cancer 1982 (Nature 4 March, p.4) again draws attention to the importance of smoking as a cause of cancer. The "remarkable increases in mortality from smoking-related cancers", a widely recognized phenomenon, ...
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    UK plutonium worries US Senate (1982)
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    Nature 297 (1982), S. 255-255 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington US senators may soon start investigating the fate of as much as four tons of fuel-grade plutonium that the United Kingdom supplied to the United States over several years on the understanding that it would be used only for civilian purposes, but which may have been put into nuclear ...
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    Methylation and gene control (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 602-603 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ARE changes in DNA methylation patterns a cause or an effect of eukaryotic gene expression? There are already many examples of an inverse correlation between the level of methylation in the neighbourhood of a gene and the transcriptional activity of that gene. It is more difficult to prove that the ...
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    Oak Ridge up for grabs (1982)
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    Nature 297 (1982), S. 255-255 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington On 3 May, the Union Carbide Corporation, which has run government atomic facilities at Oak Ridge, Tennessee, since the Second World War, announced that it no longer wants to do so. Union Carbide is not seeking to renew its option to manage Oak Ridge when the present contract expires on ...
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    Questions concerning speciation (1982)
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    Nature 296 (1982), S. 609-609 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE pattern of evolution in the mollusc lineages reported by Williamson seems to be in excellent agreement with the theory of punctuated equilibria, which is based on the well-known paleontological observation that new species usually enter the fossil record abruptly (in geological time) and ...
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    Are ‘punctuations’ artefacts of time-scales? (1982)
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    Nature 296 (1982), S. 610-611 
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    Notes: [Auszug] WE would like to give a brief explanation of why the 'punctuated' pattern of evolutionary change seen in Williamson's and other, less well documented, findings may well be an artefact of the sampling time scales. A more detailed argument is presented elsewhere1. Consider the following imaginary ...
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    British Aerospace: Looking good (1982)
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    Nature 296 (1982), S. 595-595 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A new mood of optimism prevails at the space and communications division of British Aerospace. Not surprisingly, the company is delighted at last month's news that the Hughes Aircraft company is to build up to 16 Intelsat-VI telecommunications satellites: as principal subcontractor British ...
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    Enzymatic replication of E. coli chromosomal origin is bidirectional (1982)
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    Nature 296 (1982), S. 623-627 
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    Notes: [Auszug] A soluble enzyme system has been discovered which specifically recognizes and replicates plasmids containing the Escherichia coli chromosomal origin, oriC. Electron microscopy has shown that plasmid replication begins at or near oriC from which it progresses bidirectionally to completion. Control ...
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    Ecophenotypic or genotypic? (1982)
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    Nature 296 (1982), S. 609-610 
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    Notes: [Auszug] WILLIAMSON 's brief comment (p. 441) that the presumably derivative morphologies, all arrayed in two, well-dated, very discrete horizons and one more diffuse horizon, cannot be considered to be ecophenotypic morphologies of the unchanging, long-ranging forms - many of which persist to the present - ...
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    British universities: More misery (1982)
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    Nature 297 (1982), S. 258-259 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hopes that the British university system would be spared some of the government's economy measures were dashed last week, when the University Grants Committee made public the recurrent grants to individual universities for the academic year 1982-83. There is no substantial change from the ...
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    T cells immortalized? (1982)
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    Nature 296 (1982), S. 605-606 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SUCCESSFULLY fuse an antibody-producing B cell with a myeloma cell and there is a good chance that the resulting hybridoma will provide a continuous supply of monoclonal antibodies. Can similar techniques be applied to T cells, the other major population of lymphocytes within the immune system, ...
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    Punctuationism and Darwinism reconciled? (1982)
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    Nature 296 (1982), S. 608-608 
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    Notes: [Auszug] On 8 October, 1981 P G Williamson1 presented an extraordinarily "complete page in the history of evolution" in a very detailed sequence of fossil molluscs from the the eastern Turkana basin in East Africa. All of 13 lineages, including ten which could be followed for 4-5 million years, showed a ...
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    Morphological stasis and developmental constraint: no problem for Neo-Darwinism (1982)
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    Nature 296 (1982), S. 610-610 
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    Notes: [Auszug] THE critical issue stemming from Williamson's papers is the explanation of stasis and increased variability associated with the episodes of change. The view he holds, that stasis is due to developmental constraints2, is equivalent to saying that the characters concerned lack genetic variability, so ...
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    Wave-produced bubbles observed by side-scan sonar (1982)
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    Nature 296 (1982), S. 636-638 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have used an inverted telesounder1, a modified side-scan sonar, to probe the sea surface and near-surface scatterers. The sonar consists of a single linear 248 kHz transducer mounted horizontally a few centimetres above a reflecting plate inclined upwards from the horizontal at about 20 (Fig. ...
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    Bacteria accumulate silver during leaching of sulphide ore minerals (1982)
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    Nature 296 (1982), S. 642-643 
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    Notes: [Auszug] Electron microscopic examination of bacteria collected from several experimental sulphide leaching systems, in which substrates contained silver, has shown that the bacteria involved in the leaching can accumulate silver in very large quantities and that their activity does not appear to be ...
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    Ctenodactylid rodents in the Miocene Negev fauna of Israel (1982)
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    Nature 296 (1982), S. 645-647 
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    Notes: [Auszug] As a result of two seasons (1979-80) of collecting, fossil rodents, primates and carnivores have been recovered in a new site ('Anthracothere Hill') in the norther Negev of Israel (Fig. 1, site 1). Already these specimens have quadrupled the number of fossils known from the Negev; further study of ...
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    Conversion of a gonadotropin-releasing hormone antagonist to an agonist (1982)
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    Nature 296 (1982), S. 653-655 
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    Notes: [Auszug] Figure 1 shows the ability of GnRH-Ant to inhibit GnRH-stimulated LH release from pituitary cell cultures. GnRH-Ant was an effective inhibitor of stimulated LH release; alone it has no detectable agonist action at concentrations up to 106M. Figure 2 shows the elution pattern (G-25 column ...
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    150th anniversary of Gauss's first absolute magnetic measurement (1982)
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    Nature 297 (1982), S. 285-285 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON 26 May 1832, the horizontal component of the Earth's magnetic field at Gottingen was 1.7820 mg^mnv^s-1 (=17,820 nT). Not particularly remarkable, you might think, except that this was the first ever absolute measurement of the geomagnetic field and its attainment had required much of the armoury ...
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    Cause and treatment of atherosclerosis (1982)
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    Nature 297 (1982), S. 286-287 
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    Notes: [Auszug] The most common cause of death in developed countries is necrosis of heart muscle (myocardial infarction) resulting from obstruction of the arterial blood supply. The affected artery is usually narrowed by a plaque of atheroma. Two main hypotheses have been proposed for the origin of the atheroma, ...
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    The nuclear pore : a biological grommet? (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 287-288 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE double membrane surrounding the nucleus is penetrated by nuclear pore complexes, recognized from the early days of electron microscopy as large structures (1,200 A in diameter) with a striking eightfold rotational symmetry (reviewed by J.R. Harris in Electron Microscopy of Proteins Vol. 1, ...
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    A novel gene splice in phage Mu (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 288-288 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GENE expression is usually thought of as being controlled through the action of proteins, such as repressors and effectors. Recently, a different mode of control has been reported whereby inactive genes are relocated by some type of recombination process to new sites where transcription takes ...
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    German cancer centre criticized (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 481-482 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sweeping changes at the Deutsches Krebsforschungzentrum (DKFZ) in Heidelberg have been recommended by the international commission appointed by the German Minister for Science and Technology. The proposed changes would invest the director of DKFZ with executive power, the lack of which caused the ...
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    Agricultural Research Council: Savings plans (1982)
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    Nature 296 (1982), S. 484-484 
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    Notes: [Auszug] The British Agricultural Research Council (ARC) is still in a fix about its budget for the next three years. Plans to find all the necessary economies to meet the expected shortfall in its government grant at the Animal Breeding Research Organization (ABRO) and the Long Ashton Research Station have ...
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    Size and shape in raised mire ecosystems: a geophysical model (1982)
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    Nature 297 (1982), S. 300-303 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Raised mires are ecosystems in which waterlogged peat accumulates above the level of the surrounding stream system. It has been suggested that waterlogging is maintained by matric forces, but a model involving impeded drainage is in better accord with the structure of the peat and with basic tenets ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/297300a0
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    Acumentin, a protein in macrophages which caps the ‘pointed’ end of actin filaments (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 303-307 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Macrophages have a calcium-insensitive protein which binds to and inhibits monomer addition at the ‘pointed’ end of actin filaments labelled with heavy meromyosin. This protein, in concert with calcium-sensitive proteins already shown to bind the ‘barbed’ end of filaments, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/297303a0
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