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Digitale Medien

Phorbol ester-induced activation of human platelets is associated with protein kinase C phosphorylation of myosin light chains (1983)

Naka, Michiko ; Nishikawa, Masakatsu ; Adelstein, Robert S. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 490-492

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] TPA, an activator of protein kinase C, triggers platelet aggregation as well as the secretion of [14C]-serotonin from platelets11-13. The response to activation by 1 mM TPA at 37 C, with constant stirring, is more gradual than the response to activation by O.1Uml-1 thrombin and maximal aggregation ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306490a0

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2

Digitale Medien

Electron densities in active galaxies (reply) (1983)

GASKELL, MARTIN

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 503-503

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] GASKELL REPLIES-While recognizing that the main point of Jordan's comment is to attempt to correct the allegedly misleading generalizations made by Fair all1 and myself2, I must state that the size of the forbidden line emitting region in Fairall 427 is not an open question. If one looks at ...

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URL: http://dx.doi.org/10.1038/306503c0

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3

Digitale Medien

New gene provokes questions (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 731-731

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] THE article on page 756 from Dr P. W. J. Rigby's group at Imperial College is an intriguing document which is plainly of the utmost importance, but for reasons which, at this stage, are not fully apparent. The obvious difficulty is that the observations described bear on such a variety of important ...

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URL: http://dx.doi.org/10.1038/306731a0

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4

Digitale Medien

Just how objective is science? (1983)

Hetherington, Norris S.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 727-730

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] WRITING some thirty years ago, Hermann Bondi suggested that in astronomy, observations had proven a less reliable arbiter of hypotheses than had theoretical considerations1 . Subsequent historical studies have widened and deepened knowledge of some of the instances cited by Bondi and have uncovered ...

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URL: http://dx.doi.org/10.1038/306727a0

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5

Digitale Medien

Oncogenesis: Paradox and paradigm: the message and meaning of myc (1983)

Robertson, Miranda

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 733-736

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] THE cellular myc gene may, depending on your point of view, be seen as either the most illuminating or the most confusing of the cellular oncogenes. The promise of illumination lies in the overwhelming circumstantial evidence that c-myc activation in some lymphoid tumours is a direct subversion, ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306733a0

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6

Digitale Medien

Applied molecular biology: Lignin biodegradation becomes biochemistry (1983)

Broda, Paul ; Paterson, Alistair

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 737-738

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] AFTER some years of increasing interest, rapid progress is now being made in the understanding of lignin biodegradation. Research in a number of laboratories has culminated in the isolation by T.K. Kirk and Ming Tien of a purified enzyme able to depolymerize lignin1. This enzyme, isolated from the ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306737a0

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7

Digitale Medien

Neurophramacology: Endogenous opioid peptides and pain mechanisms: a complex relationship (1983)

Woolf, C. J. ; Wall, P. D.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 739-740

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] ALTHOUGH an ever-increasing number of pharmacologically active peptides are being found in neurones of the central nervous system, it is still not proving possible to find out precisely what neuro-transmitter or neuromodulator functions they perform. This may not be so surprising when one remembers ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306739a0

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8

Digitale Medien

100 years ago (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 741-741

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] IN a letter dated Tokio, October 3, Prof. James Main Dixon writes:- "During the two or three days at the end of August we enjoyed fine dry weather, but the sun was copper-coloured and had no brightness. When we got to Nikko, the people came to us to inquire if some catastrophe were impending, for ...

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URL: http://dx.doi.org/10.1038/306741a0

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9

Digitale Medien

Cancer and cell senescence (reply) (1983)

CAIRNS, JOHN ; LOGAN, JONOTHAN

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 742-742

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] CAIRNS AND LOGAN REPLY - In the first half of his letter, Dr Holliday gives three reasons for thinking that programmed cell senescence is not a protection against the development of cancer. We believe that each of the arguments is fallacious. The common human cancers, as described in textbooks of ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306742b0

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10

Digitale Medien

Dating the Crucifixion (1983)

Humphreys, Colin J. ; Waddington, W. G.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 743-746

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The date of the Crucifixion has been debated for many years, but there has been no agreement on the year nor the day. Astronomical calculations have now been used to reconstruct the Jewish calendar in the first century AD and to date a lunar eclipse that biblical and other references ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306743a0

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11

Digitale Medien

Composition measurements of tropospheric ions (1983)

Heitmann, H. ; Arnold, F.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 747-751

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Tropospheric ions are of considerable interest as they have the potential to induce aerosol formation and because in situ measurements of their composition are a powerful tool for neutral trace gas detection. The first measurements of tropospheric ion compositions are now ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306747a0

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12

Digitale Medien

Activation of a Qa/Tla class I major histocompatibility antigen gene is a general feature of oncogenesis in the mouse (1983)

Brickell, Paul M. ; Latchman, David S. ; Murphy, David ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 756-760

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] A cDNA clone corresponding to a mRNA present at elevated levels in transformed fibroblasts encodes a Qa / Tla class I major histocompatibility complex (MHC) antigen. High levels of this mRNA are found in all tumour cells tested; the transcript can undergo alternative splicing; and a repetitive ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306756a0

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13

Digitale Medien

Photon oscillations and cosmic background radiation (1983)

Georgi, Howard ; Ginsparg, Paul ; Glashow, S. L.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 765-766

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Our model of photon oscillations is a simple extension of the standard gauge theory of strong interactions wherein an additional gauged U'(l) factor is adjoined to the usual spontaneously broken SU(3) xSU(2) xU(1). Known particles transform trivially under U'(1). At this point, the model involves ...

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URL: http://dx.doi.org/10.1038/306765a0

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14

Digitale Medien

Combustion-generated carbon particles in the Arctic atmosphere (1983)

Rosen, H. ; Novakov, T.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 768-770

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Graphitic particles can only be produced by combustion processes. If one excludes natural burning processes that are not expected to be a significant source during winter and spring when Arctic haze is at a maximum, then one can attribute these particles directly to anthropogenic combustion ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306768a0

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15

Digitale Medien

The macromolecular states of solvent-swollen and dry coal (1983)

Brenner, Douglas

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 772-773

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] More than half a century ago it was postulated that coal was a 'polymeric' or macromolecular substance1-3. However, the evidence has not been completely convincing, and the particular nature of the macromolecular state has remained uncertain. Boddy4 found that coals, which normally exhibit brittle ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306772a0

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16

Digitale Medien

β -Globin gene inactivation by DNA translocation in γβ -thalassaemi (1983)

Kioussis, D. ; Vanin, E. ; deLange, T. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 662-666

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The β-globin gene present on the deletion locus in a Dutch γβ-thalassaemic patient was found to be identical to the normal β-globin gene with respect to DNA sequence and its transcription in HeLa cells. DNase I sensitivity and methylation experiments show that the affected ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306662a0

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17

Digitale Medien

Sunspot index infers a small relict magnetic field in the Sun's core (1983)

Sonett, C. P.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 670-673

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The lines in the spectrum of the Zurich sunspot index in the interval 100 〈 t 〈 8 yr (where t is the period) match those of a model in which a 22-yr carrier 'wave' representing the Hale 22-yr cycle is amplitude modulated (AM) at the 90 yr (Gleissburg) period in the presence of a small but ...

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URL: http://dx.doi.org/10.1038/306670a0

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18

Digitale Medien

Reaction of NO 2 with NaCl and atmospheric implications of NOCl formation (1983)

Finlayson-Pitts, B. J.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 676-677

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] An observed deficiency of chloride ions in coastal aerosols in some locations has been attributed to a reaction of HNO3 or NO2 with NaCl (refs 7-12). Gaseous HC1 has been assumed to be the product based on studies11,12 showing that 0.1-100 p.p.m. NO2 reacted rapidly with moist NaCl aerosols to ...

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URL: http://dx.doi.org/10.1038/306676a0

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19

Digitale Medien

Isotopic evidence from the eastern Canadian shield for geochemical discontinuity in the Proterozoic mantle (1983)

Ashwal, L. D. ; Wooden, J. L.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 679-680

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The anorthosites were emplaced into presumed Archaean quartzof eldspathic gneisses, although in large areas of the Grenville Province, both massifs and basement rocks were reworked during late Proterozoic (about 1,000 Myr) Grenvillian metamorphism5. The Adirondack anorthosite may have crystallized ...

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URL: http://dx.doi.org/10.1038/306679a0

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20

Digitale Medien

Evidence from earliest known erinaceomorph basicranium that insectivorans and primates are not closely related (1983)

Novacek, Michael J. ; McKenna, Malcolm C. ; Neff, Nancy A. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 683-684

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The basicranium is part of a dorsoventrally crushed skull and upper dentition of Diacodon alticuspis, an erinaceomorph from the Lower Eocene (Wasatchian North American Land Mammal Age, about 52 Myr BP) of northern New Mexico7. The specimen was collected in 1946 by an American Museum of Natural ...

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URL: http://dx.doi.org/10.1038/306683a0

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21

Digitale Medien

Substance P in the ascending cholinergic reticular system (1983)

Vincent, S. R. ; Satoh, K. ; Armstrong, D. M. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 688-691

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Indirect immunofluorescence techniques were used to identify the cholinergic and substance P-containing neurones of the midbrain and pontine tegmentum of young adult male rats (150-200 g, Wistar). To increase the levels of ChAT and substance P in cell bodies, the animals were given an injection of ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306688a0

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22

Digitale Medien

Chemical basis of antigenic variation in foot-and-mouth disease virus (1983)

Rowlands, D. J. ; Clarke, B. E. ; Carroll, A. R. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 694-697

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] There is considerable evidence that the major immunogen is situated on VP1, one of the four capsid proteins1-5. Furthermore, the position of the major immunogenic site on VP1 of virus of serotype 0 has been shown to lie within the amino acid tract 141-1606-8. The same region of VP1 from other ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306694a0

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23

Digitale Medien

Mimicking the alloantigenicity of proteins with chemically synthesized peptides differing in single amino acids (1983)

Alexander, Hannah ; Johnson, David A. ; Rosen, Jonathan ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 697-699

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The Thy-1 glycoprotein exists in two allotypic forms, Thy 1.1 and Thy 1.2 (ref. 4). It has been proposed that an arginine residue at position 89 corresponds to the Thy 1.1 allotype and a glutamine residue to Thy 1.2 (ref. 5). Since the two proteins differ by only a single residue, they offered a ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306697a0

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24

Digitale Medien

Instability of the Trypanosoma brucei rhodesiense metacyclic variable antigen repertoire (1983)

Barry, J. D. ; Crowe, J. S. ; Vickerman, K.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 699-701

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Trypanosoma brucei rhodesiense, causative agent of East African sleeping sickness in man, also infects domestic and game animals. As the sole criterion for distinguishing T. b. rhodesiense from T. b. brucei is the former's infectivity to man, any T. brucei group stock isolated from reservoir host ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306699a0

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25

Digitale Medien

A yeast gene encoding a protein homologous to the human c- has/bas proto-oncogene product (1983)

Gallwitz, Dieter ; Donath, Cornelia ; Sander, Christian

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 704-707

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Previously we have isolated two recombinant plasmids (pYA102 and pYA208) containing overlapping DNA fragments which harbour the yeast actin gene8,9. In studying the region 5' to the actin gene we detected another gene whose transcription product is a polysomal RNA coding for a protein of 20,000 ...

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URL: http://dx.doi.org/10.1038/306704a0

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26

Digitale Medien

DeFeo-Jones, D. ; Scolnick, E. M. ; Koller, R. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 707-709

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The transforming genes of Harvey and Kirsten murine sarcoma viruses have been named ras oncogenes because these two oncogenic retroviruses were originally isolated by passage of murine leukaemia viruses in rats1. The ras oncogene of Harvey murine sarcoma virus has been named v-rasH and that of ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306707a0

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27

Digitale Medien

Selective unfolding of erythroid chromatin in the region of the active β -globin gene (1983)

Kimura, Takeshi ; Mills, Frederick C. ; Allan, James ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 709-712

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] We have previously shown that linker histone (H1 and H5) induced chromatin condensation, as measured by electron microscopy, is directly proportional to the sedimentation rate5. Here we have used the sedimentation rate of chromatin as the primary measure of its higher order folding. Our ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306709a0

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28

Digitale Medien

Staying neutral on evolution (1983)

Smith, John Maynard

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 713-714

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] THIS is the book we have been waiting for. Fifteen years ago, the neutral theory was proposed by Kimura, and independently by King and Jukes. In Kimura's formulation, it made two assertions. First, chance events have been more important than natural selection in bringing about evolutionary changes ...

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URL: http://dx.doi.org/10.1038/306713a0

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Hazy atmosphere (1983)

Chameides, W.L.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 714-714

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

Notizen: [Auszug] THE realization in the early 1970s that free radicals are a normal component of the Earth's lower atmosphere revolutionized our understanding of atmospheric chemistry and its role in the larger biogeo-chemical cycling of the elements. However, the advances made in this field over the past decade ...

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URL: http://dx.doi.org/10.1038/306714a0

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The good, the bad and the ugly (1983)

Hull, David L.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 714-715

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

Notizen: [Auszug] As most historians portray it, science is a linear sequence of triumphant discoveries. Occasionally we hear of scientists who were mistaken, just so long as they were mistaken in big ways. But most scientists fail in the most literal sense of this term. They may publish a few papers, but these ...

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[Book Reviews ‘picture story’] (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 715-715

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

Notizen: [Auszug] GLIMPSE of 1986 - an artist's impression of the International Solar Polar Mission spacecraft (which is now completed) atop a Centaur upper stage after its deployment from the Space Shuttle. The illustration is taken from a new publication of the European Space Agency, The International Solar Polar ...

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URL: http://dx.doi.org/10.1038/306715a0

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Pensioners mean problems (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 521-521

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

Notizen: [Auszug] How, in the long run, can a modern state hope to deal equitably with its pensioners, especially if a substantial fraction of its putatively working population is forced into premature pensionhood by unemployment? And what if the social burden of the unemployment rolls will in any case be made ...

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URL: http://dx.doi.org/10.1038/306521a0

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What rights for animals? (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 522-522

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

Notizen: [Auszug] ROBERT Nozick, the Harvard University philosopher, wrote last week in the New York Times that animal rights is a subject that seems to attract cranks. The distinguishing feature of a crank, he was quick to point out, is not merely preoccupation with a single issue; the solving of the world's ...

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URL: http://dx.doi.org/10.1038/306522a0

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Science for the young (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 522-522

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] How would you find out whether a ball that bounces best on one surface bounces best on all surfaces? How would you tell why a snail will not cross a ring of salty water? These are some of the questions that have been put to 11-year-olds in British primary schools by a group of investigators from ...

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URL: http://dx.doi.org/10.1038/306522b0

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UK agriculture research: Plans for 250 jobs to go (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 523-523

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] THE Agricultural and Food Research Council (AFRC) has now completed its strategic plan, intended as an adaptation to the expected substantial drop in its share of the science budget over the next few years. The plan, which has not yet been ratified, will be discussed next week at a meeting of ...

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URL: http://dx.doi.org/10.1038/306523b0

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Words from space (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 523-523

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] NATURE is able today to report the exciting news that there is life - of a kind - in outer space. Through the marvels of modern communications, President Ronald Reagan, Chancellor Helmut Kohl of West Germany, your correspondent and a few other European journalists were able on Monday to direct ...

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URL: http://dx.doi.org/10.1038/306523c0

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Institute settles lawsuit (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 524-524

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

Notizen: [Auszug] THE Linus Pauling Institute of Science and Medicine in Palo Alto, California, has settled yet another lawsuit brought by a former employee who claimed to have been dismissed from a tenured research position. Dr Fred West all, who worked at the institute in 1978 and 1979, had accused Pauling of ...

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URL: http://dx.doi.org/10.1038/306524b0

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World Unification Church: Mixed motives at conclave (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 524-524

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

Notizen: [Auszug] Chicago UNDAUNTED by 12 years of intermittent controversy, distinguished academics continue to flock to the annual conference on "the unity of the sciences" sponsored by Reverend Sun Myung Moon's Unification Church. This year's conference, held here last week, heard the Nobel economist F.A. Hayek ...

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URL: http://dx.doi.org/10.1038/306524a0

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UK environment: Conservation plans go awry (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 525-525

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

Notizen: [Auszug] THE Wildlife and Countryside Act, introduced two years ago, has run into serious trouble. British conservation groups are complaining that the act fails to provide adequate protection to places designated by the Nature Conservancy Council (NCC) as Sites of Special Scientific Interest (SSSIs). The ...

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URL: http://dx.doi.org/10.1038/306525a0

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Finnish environment: New ministry's teething problems (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 525-525

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Notizen: [Auszug] FINLAND is planning a massive modification of its environmental legislation over the next ten years. At present, the laws of environmental protection are a confused collection of ad hoc acts introduced piecemeal to cope with specific problems. The need for a legislative review was underlined by the ...

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URL: http://dx.doi.org/10.1038/306525b0

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European biotechnology: Surplus food into feedstock (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 526-526

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

Notizen: [Auszug] OUT of the political and economic gloom over the Athens summit earlier this week, where European Prime Ministers were attempting to thrash out a solution to the European Community's burgeoning "budget problem", officials were hoping for a little "green light" for biotechnology. The heads of ...

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URL: http://dx.doi.org/10.1038/306526a0

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French computers: Double-deal at Orsay (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 526-526

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

Notizen: [Auszug] EVEN if French academic computing power is behind that of the United Kingdom and West Germany (see Nature304,298; 1983), things may be looking up. After two years of often bitter negotiations, the biggest scientific campus in France - the Universit de Paris Sud at Orsay - has at last been granted a ...

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URL: http://dx.doi.org/10.1038/306526b0

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Australian telecommunications: Private sector at arms' length (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 527-527

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

Notizen: [Auszug] Canberra THE Labour Government has been busily reversing the free-market bent of Mr Malcolm Eraser's policy on telecommunications in order to keep it in the public sector. The latest policy reversal is the decision on 15 November to retain full ownership of Aussat Pty Ltd, the company set up to ...

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URL: http://dx.doi.org/10.1038/306527a0

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Laboratory animals: Huxley attacks “animal rightists” (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 527-527

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

Notizen: [Auszug] IN a stout defence of laboratory animal experiments, Sir Andrew Huxley, president of the Royal Society, last week let slip that he personally countersigns 1,500 applications a year by researchers to the Home Office - and that he sends about 100 of them back for amendment before adding his ...

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Collective phenomena: Absent Soviet friends (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 528-528

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

Notizen: [Auszug] Stockholm THE Sixth International Conference on Collective Phenomena last week cast light on the problem of scientific "refusniks" in the Soviet Union. Although many Western scientists have in the past ten years visited the regular Sunday seminars organized by the refusniks (Jewish scientists ...

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URL: http://dx.doi.org/10.1038/306528b0

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Scientific publishing: Academic backs down on books (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 528-528

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

Notizen: [Auszug] EUROPEAN publishers were last week astounded by the announcement by Academic Press London (APL) that it is to make redundant more than half of its 247-strong workforce. The recent history of APL has been troubled (see Nature 303, 192; 1983) and changes were expected, but the scale of job losses ...

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URL: http://dx.doi.org/10.1038/306528a0

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Factor VIII cloning (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 528-528

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

Notizen: [Auszug] GENETICS Institute, the Cambridge (Massachusetts) biotechnology corporation, claimed last week important progress towards the production of factor VIII, the blood-clotting agent in which haemophiliacs are deficient. The institute says that it should have been able to clone and express the gene for ...

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URL: http://dx.doi.org/10.1038/306528d0

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Creationism: Still in evidence in Texas (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 528-529

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

Notizen: [Auszug] RELIGIOUS fundamentalists are shifting their efforts to local school boards, having largely failed in the courts and state legislatures to force the teaching of "creation science" in public schools. The current multiplicity of relatively low-key efforts seems, at least in some areas, to be paying ...

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URL: http://dx.doi.org/10.1038/306528c0

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UK biotechnology: Where there's muck … (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 529-529

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

Notizen: [Auszug] ENCOURAGING signs of life in British biotechnology have been discovered by Biotechnology Investments Limited (BIL), the two-and-a-half-year-old company sponsored by the merchant bank N. M. Rothschild & Sons Limited. Since the end of May, when BIL's second annual report showed investments of ...

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URL: http://dx.doi.org/10.1038/306529a0

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Numerology (1983)

GOSSLER, MARCUS

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 530-530

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

Notizen: [Auszug] SIR - In the argument about numerology (Nature 7 July, p. 11 and 1 September, p.8), both the numerologists and their critics miss the point. Being impressed by the near match of numbers does not make science, nor is it scientific simply to stress the remaining inaccuracy and complain of the lack of ...

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URL: http://dx.doi.org/10.1038/306530e0

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Yrast phenomena in fashion (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 531-531

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

Notizen: [Auszug] LEXICOGRAPHERS have been dismayed, but word-game players no doubt delighted, by the appearence on the scene of the word yrast, one of the rare contributions of the Swedish language to international usage. (The word is apparently the superlative of the adjective gr, which means "dizzy".) Its ...

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URL: http://dx.doi.org/10.1038/306531a0

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Deep Sea Drilling Project: Sediment drifts and intraplate tectonics in the North Atlantic (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 532-533

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

Notizen: [Auszug] ON 17 August 1983, the GlomarChallenger docked in St. John's, Newfoundland, with more than two miles of sediment cored from a climatically critical region of the North Atlantic Ocean. This ended a voyage begun 55 days earlier in Norfolk, Virginia, that took the Challenger to a transect of six sites ...

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URL: http://dx.doi.org/10.1038/306532a0

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International ethological conference: The evolutionary basis of behaviour (1983)

Krebs, John R. ; May, Robert M.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 533-534

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

Notizen: [Auszug] IN its early days, the science of ethology was devoted largely to the description of the behaviour patterns of animals. Today, however, the subject encompasses a wide range of disciplines, as indicated by the themes of the Plenary Sessions at the 18th International Ethological Conference*: ...

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URL: http://dx.doi.org/10.1038/306533a0

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Molecular biology: Exons : present from the beginning? (1983)

Blake, Colin

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 535-537

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

Notizen: [Auszug] SINCE introns and exons were discovered six years ago, the split organization of eukaryotic genes has been seen as a mechanism for enhancing the rateof evolutionary change. First, Gilbert1 put forward the important hypothesis that exons correspond to protein functions which can be reshuffled by ...

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URL: http://dx.doi.org/10.1038/306535a0

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Immunology: The I–J paradox remains unsolved (1983)

Munro, Alan

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 537-538

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

Notizen: [Auszug] THE I region of the mouse major histo-compatibility complex (H-2) codesfor cell surface glycoproteins referred to as class II molecules but previously known as I-region associated or Ia antigens. The class II molecules areheterodimers of two trans-membrane glycoproteins, a 32,000 molecular ...

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URL: http://dx.doi.org/10.1038/306537a0

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Immunology: HLA class II antigens and monoclonal antibodies (1983)

Shaw, Stephen ; McMichael, Andrew

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 538-539

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

Notizen: [Auszug] AT a recent workshop* in Edinburgh investigators from forty different laboratories grappled with the idiosyncratic properties of more than 100 monoclonal antibodies raised against HLA Class II antigens. These glycoproteins, also known as la antigens, are of great interest because of their ...

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URL: http://dx.doi.org/10.1038/306538a0

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Immunology: Mitochondria and the major histocompatibility complex (1983)

Goodfellow, Peter

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 539-540

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Two new papers appearing in Nature1,2 add those with an interest in mitochondria to the ever-growing list of scientists required to understand something of the major histocompatibility complex (MHC). Not so many years ago the MHC was commonly thought to be too complex to be comprehensible to all ...

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URL: http://dx.doi.org/10.1038/306539a0

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Invertebrate endocrinology: Steroids…the earliest hormones (1983)

Whitehead, David L.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 540-540

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] ECDYSTEROIDS, the hormones controlling development in arthropods and present in certain plant families, have now been found in helminth parasites of humans and livestock (trematodes1, filarial nematodes2 and cestodes3,4). As reported at a recent conference*, one result - of great potential ...

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URL: http://dx.doi.org/10.1038/306540a0

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Hydrogen isotopic evidence of rhyolitic magma degassing during shallow intrusion and eruption (1983)

Taylor, B. E. ; Eichelberger, J. C. ; Westrich, H. R.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 541-545

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Deuterium and water contents of rhyolite obsidian tephra clasts and lava flows sampled in the western USA decrease within each eruptive sequence, from D- and H2O-rich, explosive (Plinian) eruptions, to D- and H2O-depleted lava flows. These changes result not from volatile ...

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URL: http://dx.doi.org/10.1038/306541a0

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Formation of fossil hydrothermal chimneys and mounds from Silvermines, Ireland (1983)

Boyce, A. J. ; Coleman, M. L. ; Russell, M. J.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 545-550

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Sulphur isotope analyses reveal that the fossil hydrothermal pyrite mound and tubes at Silvermines were produced by the reaction of hydrothermal Fe(II) with bacteriogenically-reduced sulphur species (δ34S range:−18.4 to −42.5%). This took place in a brine pool ...

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URL: http://dx.doi.org/10.1038/306545a0

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Cholera toxin genes: nucleotide sequence, deletion analysis and vaccine development (1983)

Mekalanos, John J. ; Swartz, Daryl J. ; Pearson, Gregory D. N. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 551-557

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

Notizen: [Auszug] Nucleotide sequence and deletion analysis have been used to identify the regulatory and coding sequences comprising the cholera toxin operon (ctx). Incorporation of defined in vitro-generated ctx deletion mutations into Vibrio cholerae by in vivo genetic recombination produced strains which have ...

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URL: http://dx.doi.org/10.1038/306551a0

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Cell-specific expression controlled by the 5′-flanking region of insulin and chymotrypsin genes (1983)

Walker, Michael D. ; Edlund, Thomas ; Boulet, Anne M. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 557-561

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Notizen: [Auszug] DNA sequences containing the 5′-flanking regions of the insulin and chymotrypsin genes were linked to the coding sequence of the chloramphenicol acetyltransferase (CAT) gene. The insulin gene recombinant elicits preferential expression of CAT activity when introduced into cells producing ...

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URL: http://dx.doi.org/10.1038/306557a0

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Pure β -adrenergic receptor: the single polypeptide confers catecholamine responsiveness to adenylate cyclase (1983)

Cerione, Richard A. ; Strulovici, Berta ; Benovic, Jeffrey L. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 562-566

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

Notizen: [Auszug] The β-adrenergic receptor binding subunits from frog erythrocytes, hamster lung and guinea pig lung have been purified to apparent homogeneity and in all cases reside on a single polypeptide. Insertion of the pure receptors into phospholipid vesicles and subsequent fusion of these vesicles ...

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URL: http://dx.doi.org/10.1038/306562a0

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Radio discovery of a young supernova (1983)

van der Hulst, J. M. ; Hummel, E. ; Davies, R. D. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 566-568

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] We have three sets of observations on which the actual discovery7 of a radio supernova in NGC4258 is based: (1) a combination of data taken with the Westerbork Synthesis Radio Telescope (WSRT) in 1974-75 and data taken with the Very Large Array (VLA) in June 1979 at 1,415 and 1,480 MHz ...

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URL: http://dx.doi.org/10.1038/306566a0

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CCD images of the 6.1 ms pulsar field (1983)

Pedersen, H. ; Tarenghi, M. ; Cristiani, S. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 568-569

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] The short-period end of the pulsar distribution is dominated by the Crab and Vela pulsars: they are typical young objects with a vigorous energy output, and, because of their unique evolutionary status, have served as a basis for much of the theoretical debate on pulsars' emission mechanisms (see, ...

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URL: http://dx.doi.org/10.1038/306568a0

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Actively transcribed genes are associated with the nuclear matrix (1983)

Ciejek, Elena M. ; Tsai, Ming-Jer ; O'Malley, Bert W.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 607-609

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] DNA attached to a protein matrix was isolated from hen oviducts and digested with the restriction enzyme EcoRI. The released (85% of total) and bound (15% of total) fractions were separated quantitatively and analysed by gel electrophoresis, blotted to nitrocellulose by the method of Southern13 and ...

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URL: http://dx.doi.org/10.1038/306607a0

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Sequence of cDNA encoding human insulin-like growth factor I precursor (1983)

Jansen, M. ; van Schaik, F. M. A. ; Ricker, A. T. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 609-611

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] For the isolation of IGF-I cDNA we used a cDNA library derived from human adult liver12. This library was constructed by preparing double-stranded cDNA from poly (A)-containing mRNA and inserting it into the Pstl restriction site of the pBR322 derivative pKT21813, using the dG-dC tailing technique. ...

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URL: http://dx.doi.org/10.1038/306609a0

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Correlation between a DNA restriction fragment length polymorphism and C4A6 protein (1983)

Palsdottir, A. ; Cross, S. J. ; Edwards, J. H. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 615-616

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Genomic DNA was prepared from peripheral blood of individuals typed for C4 and samples were digested with various restriction endonucleases, the resulting fragments separated by agarose gel electrophoresis, transferred to nitrocellulose filters and hybridized with a 32P-labelled cDNA probe known to ...

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URL: http://dx.doi.org/10.1038/306615a0

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Isolation and structural organization of the human preproenkephalin B gene (1983)

Horikawa, Saburo ; Takai, Toshiyuki ; Toyosato, Mitsuyoshi ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 611-614

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] A human genomic DNA library22 was screened for phage carrying preproenkephalin B (alternatively designated prepro-dynorphin) gene sequences by hybridization in situ23 at 60 C with a porcine cDNA probe1. To examine whether the initial phage clones thus obtained carried the entire mRNA-coding ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306611a0

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Plasmids of the same Inc groups in Enterobacteria before and after the medical use of antibiotics (1983)

Datta, Naomi ; Hughes, Victoria M.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 616-617

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Among a collection of Enterobacteriaceae made by E. D. G. Murray between 1917 and 1954, 84 (19%) transferred conjugative plasmids to E. coli K-12. Of these, 36 determined colicinogeny, one determined tellurite resistance and 47 were cryptic1. We labelled cryptic conjugative plasmids with antibiotic ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306616a0

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Diminished in vitro tyrosine kinase activity of the EGF receptor of senescent human fibroblasts (1983)

Carlin, Cathleen R. ; Phillips, Paul D. ; Knowles, Barbara B. ; [weitere]

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 617-620

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] We first related the ability of EGF to stimulate DNA synthesis with expression of EGF receptors by WI-38 cells of various in vitro ages. The in vitro age of WI-38 cultures was monitored using two indices, population doubling level (PDL)22 and per cent of the replicative lifespan completed (PLC)23; ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306617a0

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Phosphorylation-dependent contraction of actomyosin gels from amphibian eggs (1983)

Ezzell, Robert M. ; Brothers, A. Janice ; Cande, W. Zacheus

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 620-622

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

Notizen: [Auszug] Procedures used for preparation of high-speed cytoplasmic extracts (HSE) from Xenopus eggs are outlined in Fig. 1. When HSE is incubated at 18-25 C, a distinct gel forms which slowly contracts over a period of 12-24 h. Actin is a main component of the gel as shown by the following criteria: (1) a ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/306620a0

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Frank Yang and physics (1983)

Matthews, P.T.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 623-623

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] WHEN distinguished physicists reach the age of sixty - or some similar milestone - it is not unusual to celebrate the occasion by bringing out a festschrift made up of papers written on request by friends and colleagues. These volumes must be a source of satisfaction to the person so honoured but ...

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URL: http://dx.doi.org/10.1038/306623a0

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Low profiles (1983)

Liss, Peter

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 623-624

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] IN his Presidential Address to the Geochemical Society in 1976, Karl Turekian said "... one has the feeling that the whole field of trace metal marine geochemistry would have been a completely dull one over the past fifty years if it weren't for analytical errors! The startling conclusion, as the ...

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URL: http://dx.doi.org/10.1038/306623b0

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Biology: the search for culture (1983)

Attenborough, Robert

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 624-625

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] EVOLUTIONARY theory is as attractive to biologists now as it has ever been. Most social scientists, however, continue to resist its allure, recalling the malign influence of nineteenth century evolutionism in the social arena. It is no surprise, then, that these two books on the relationship ...

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URL: http://dx.doi.org/10.1038/306624a0

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Scattered thoughts (1983)

Kam, Z.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 625-625

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] BLUE skies and red sunsets intrigued Leonardo de Vinci and stimulated some of the best scientific compositions of Tyndall and Lord Rayleigh. While no longer an enigma to a generation which was exposed to essays on sky colour in the classics of children's scientific literature and which witnessed ...

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URL: http://dx.doi.org/10.1038/306625a0

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Anomalous science (1983)

Viola, V.E.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 626-626

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] FASCINATING insights into the evolution of nature's elements and the subsequent history of our Solar System can be obtained from the study of elemental abundances and isotopic anomalies in terrestrial, meteoritic and lunar materials. In this book, Paul Kuroda examines some of the facets of this ...

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URL: http://dx.doi.org/10.1038/306626a0

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The rhythm of Barro Colorado (1983)

Coe, Malcolm

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 625-626

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] IN 1980, T.C. Whitmore wrote: "The second half of the twentieth century will stand in history as the brief period during which Man reduced the area of the richest and most complex ecosystems in the world by one third". The ecosystems he referred to, of course, are the world's tropical rain forests ...

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URL: http://dx.doi.org/10.1038/306625b0

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Wild orchids (1983)

Clements, M.A.

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 626-626

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

Notizen: [Auszug] AT first sight this book appears to be all that English-speaking orchid enthusiasts have been waiting for - an authoritative up-to-date account of European orchids. Indeed, it is claimed to be so by the authors. The photographs are excellent but, unfortunately, the text does them scant justice as ...

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URL: http://dx.doi.org/10.1038/306626b0

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Where now on arms control? (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 411-412

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

Notizen: [Auszug] THE Soviet Union's walk-out last week from the arms control negotiations at Geneva may not be quite the calamity that it seems: that is the bright side of the coin. For this development, well flagged in advance as the probable response to the first appearance in Europe of the cruise and Pershing II ...

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URL: http://dx.doi.org/10.1038/306411a0

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Wind blows cool (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 412-412

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Quelle: Nature Archives 1869 - 2009

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

Notizen: [Auszug] Is the British Government's wind power programme in the doldrums? Earlier this year, the Department of Energy's advisory committee on research and development put wind at the top of the list of renewable sources of energy, saying at the same time that wave power is unlikely to be economic. As a ...

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URL: http://dx.doi.org/10.1038/306412b0

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Spacelab project: West German involvement faces uncertain future (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 413-413

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

Notizen: [Auszug] THE launch earlier this week from Cape Canaveral in Florida of the shuttle craft carrying the Spacelab experiment probably marks a turning point in collaboration on space projects between the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA) in the United ...

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URL: http://dx.doi.org/10.1038/306413a0

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Max-Planck-Gesellschaft: Closer ties with universities (1983)

[s.l.] : Nature Publishing Group

Nature 306 (1983), S. 413-413

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

Notizen: [Auszug] THE Max-Planck-Gesellschaft (MPG), West Germany's largest academic research organization outside the universities, will have a new president when Heinz Staab takes over from Reimar Lust in July 1984. The MPG has an annual budget of DM950 million (£240 million), of which 6 per cent comes from ...

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URL: http://dx.doi.org/10.1038/306413b0

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DNA immunization induces protective immunity against B–cell lymphoma (1996)

Syrengelas, Athanasia D. ; Chen, Thomas T. ; Levy, Ronald

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 1038-1041

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Idiotypic determinants of the immunoglobuiin expressed on the surface of B–cell lymphomas are tumor–specific antigens (TSAs), which can be targeted by immunotherapy. Immunization with DNA constructs encoding the idiotype (Id) of a murine B–cell lymphoma induced specific ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-1038

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85

Digitale Medien

Japan's E.coli outbreak elicits fear, anger (1996)

Nathan, Richard

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 956-956

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] The recent outbreak of mass food poisoning among school children in Japan caused by a deadly strain of the bacteria Escherichia coli is exposing Japan's inability to protect its citizens' health against emerging disease.Parents of infected children have been outraged about the initial apparent lack ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-956a

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86

Digitale Medien

Did you know? (1996)

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 958-958

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Few Cornell medical students take “extraordinary opportunity”Does a free year of medical school following a year of living in New York for only $400 a month sound too good to be true? Each of the 119 students accepted to Cornell University Medical College for the 1996–1997 ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-958b

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87

Digitale Medien

Resistance to HIV–1 infection: It's in the genes (1996)

Fauci, Anthony S.

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 966-967

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Two studies published in recent issues of Cell1 and Nature2 present compelling evidence that a distinct genetic factor in the human host is critical to the infectivity of HIV-1. At issue is the gene responsible for the normal expression of CCR-5; the co-receptor for macrophagetropic strains of ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-966

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88

Digitale Medien

STATs and cytokine specificity (1996)

Leonard, Warren J.

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 968-969

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Signal transducers and activators of transcription (STATs) are latent cytosolic transcription factors that are activated by Janus family (Jak) tyrosine kinases after cellular stimulation by interferons and cytokines1 (see figure). There are four known mammalian Jak kinases Qakl, Jak2, Jak3 and ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-968

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89

Digitale Medien

Translational research comes of age (1996)

Minna, Jhon D. ; Gazdar, Adi F.

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 974-975

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Of the approximately one million new cancer cases diagnosed in the US annually, about 50 percent carry a mutation in one copy of the p53 tumor suppressor gene and exhibit loss of the other wild-type allele1. Among the 170,000 new cases of lung cancer, the frequency of pS3 mutations is estimated to ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-974

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90

Digitale Medien

Bridging the gap in spinal cord regeneration (1996)

Schwab, Martin E.

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 976-977

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Most of the spinal cord lesion in humans are the consequence of dislocations or fractures of vertebrae resulting from traffic, sports or work accidents. Typically, the spinal cord tissue is locally contused (crushed), often with significant hemorrhage. This triggers a complex and still poorly ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-976

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91

Digitale Medien

On the market (1996)

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 1048-1051

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] DIAGNOSING INFECTIONS For test results in under 6 hours—see Roche's Amplicor HIV Monitor test. The new Amplicor HIV Monitor test from Roche Molecular Systems is a quantitative test that monitors viral RNA levels in the blood of patients with confirmed HIV infection by using PCR technology. ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-1048

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92

Digitale Medien

Expect more from embryos (1996)

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 947-947

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] In Britain last month a domestic crisis over the disposition of frozen human embryos spilled over into Europe as governments and ethics committees debated the rights and wrongs of discarding thousands of embryos that had been kept frozen in liquid nitrogen for five years. The embryos (usually four- ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-947

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93

Digitale Medien

Gender differences in plasma leptin concentrations (1996)

Havel, Peter J. ; Kasim-karakas, Sidaka ; Dubuc, Gloria R. ; [weitere]

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 949-950

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] To the editor — Plasma levels of leptin, adipocyte-specific product of the ob gene implicated in body weight regulation, are well correlated with body fat content in human subjects and decrease with weight loss in both obese1–3 and normal weight subjects3. Women have increased ob gene ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-949b

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94

Digitale Medien

During angiogenesis, vascular endothelial growth factor regulate natural killer cell adhesion to tumor endothelium (1996)

Melder, Robert J. ; Koenig, Gerald C. ; Witwer, Brian P. ; [weitere]

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 992-997

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Localization of activated natural killer (A–NK) cells in the microvasculature of growing tumors is the result of recognition of the intracellular and vascular cell–adhesion molecules ICAM–1 and VCAM–1 on the tumor endothelium, mediated by lymphocyte function–associated ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-992

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95

Digitale Medien

Plasma HIV viremia and viral load in lymph nodes (1996)

Dianzani, F. ; Antonelli, G. ; Riva, E. ; [weitere]

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 832-833

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] To the editor — In the May issue of Nature Medicine (2, 502; 1996), Fintan Steele critically reviewed the “state of the art”of HIV viral load as a laboratory tool for predicting progression of AIDS and death. In our view the arguments brought in favor of the prognostic value of ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0896-832

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96

Digitale Medien

Clinical evidence of efficient tumor targetting based on single–chain Fv antibody selected from a combinatorial library (1996)

Begent, R.H.J. ; Verhaar, M.J. ; Chester, K.A. ; [weitere]

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 979-984

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] We present a system for cancer targeting based on single–chain Fv (scFv) antibodies selected from combinatorial libraries, produced in bacteria and purified by using an engineered tag. Combinatorial libraries of scFv genes contain great diversity, and scFv antibodies with characteristics ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0996-979

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97

Digitale Medien

Vindication is sweet, but not sufficient (1996)

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 831-831

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] It has been a long, hard decade for research in the United States where a preoccupation with politically motivated accusations of fraud has damaged the reputations of some of the world's leading scientists, while calling the integrity of the entire biomedical enterprise into disrepute. However, a ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0896-831

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98

Digitale Medien

France's CNRS goes au naturelle (1996)

Tastemin, Catherine

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 836-836

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] The Centre National de la Recherche (CNRS), France's largest public research institute, has formed a new task force dedicated to “natural” products, in line with similar actions taken by other nations. Entitled “Groupement de Recherche (GDR) sur les substances naturelles” ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0896-836b

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99

Digitale Medien

HHMI supports post–Eastern bloc researchers (1996)

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 838-838

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] It has been almost fifty years since Trofim Denisovich Lysenko rose to prominence by denouncing Mendelian thought as “reactionary and decadent” effectively gutting Russian biology. However, a meeting held in June in Prague, Czech Republic, of researchers from the Baltics, Central Europe ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0896-838b

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100

Digitale Medien

Kan pushes the pill in Japan (1996)

Nathan, Richard

[s.l.] : Nature Publishing Group

Nature medicine 2 (1996), S. 842-842

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ISSN: 1546-170X

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Medizin

Notizen: [Auszug] Naoto Kan, Japan's new reform-minded Minister of Health, says a low-dose form of “the pill” could become available in Japan next year, 30 years after oral contraceptives first became available in other countries. The debate over the pill resurfaced last year (see Nature Medicine 1, ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/nm0896-842d

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