ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • Springer  (109)
  • Nature Publishing Group  (19)
  • 1980-1984  (71)
  • 1970-1974  (57)
  • 1
    Electronic Resource
    Electronic Resource
    Specific interaction between the self-splicing RNA of Tetrahymena and its guanosine substrate: implications for biological catalysis by RNA (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 820-826 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Splicing of the ribosomal RNA precursor of Tetrahymena has previously been shown to require no protein in vitro; the cleavage–ligation activity is intrinsic to the RNA molecule. Analysis of the reaction kinetics with guanosine, which is a substrate in the reaction, and with several guanosine ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/308820a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    X-ray spectrum of NP0532 (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 812-814 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A multiparameter, nonlinear, weighted routine was used to fit least squares (see refs 6 and 7). This program yields values of the unknown parameters of any generalised mathematical model which is applied to input data, together with relevant statistics, including the approximate 95% confidence ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249812a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Repression of RNA transcription during the development of analgesic tolerance to morphine (1974)
    [s.l.] : Nature Publishing Group
    Nature 248 (1974), S. 671-673 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] TABLE 1 Chromatin template activity during morphine-induced analgesia Treatment pmol of ATP incorporated* Control 1,136 db 47 Morphine (10 mg kg"1) 1,088 =1= 46 * Results are reported as the mean db s.e. for four rats. ATP incorporation by enzyme alone (340 pmol) has been subtracted. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/248671a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Diphtheria Toxin: Specific Competition for Cell Receptors (1973)
    [s.l.] : Nature Publishing Group
    Nature 242 (1973), S. 330-332 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Uchida et al.6 have described the product of a mutant toxin gene, crm197, a non-toxic protein of the same molecular weight as toxin which has an apparently normal fragment B but an enzymically inactive fragment A. Because crmi97 reduces the effect of toxin on HeLa cells and yet has no effect on the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/242330b0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Terrorism in Vietnam (1972)
    [s.l.] : Nature Publishing Group
    Nature 238 (1972), S. 361-361 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-In a recent letter (Nature, 238, 57; 1972) Dr Lester Goldstein wondered why in your editorial on the "Deadly Irony of Terrorism" (Nature, 237, 301 ; 1972) concerning the tragic and useless death of Professor Aharon Katchalsky Katzir, no mention was made of the kind of terrorism going on in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/238361b0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Terminal Cretaceous Events (1971)
    [s.l.] : Nature Publishing Group
    Nature 230 (1971), S. 318-320 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig, 1 Age relationships and present configuration of sediments draped across the mid-Atlantic Ridge at about latitude 30 S, showing the magnitude of the Cretaceous Tertiary Unconformity. The late Maastrichtian was a time of general worldwide decrease of temperature with climatic belts becoming ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/230318a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Initiation of Circadian Rhythms in Arrhythmic Churchyard Beetles ( Blaps mucronata ) (1970)
    [s.l.] : Nature Publishing Group
    Nature 228 (1970), S. 577-578 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The beetles used in the experiments had been kept in culture chambers in constant light at 25° C for at least 2 weeks and mostly for much longer periods. Their loco-motor activity was recorded in 6 inch diameter glass chambers with waxed floors. A cadmium sulphide photocell was triggered when the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/228577a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Competition theory, evolution, and the concept of an ecological niche (1982)
    Springer
    Acta biotheoretica 31 (1982), S. 165-179 
    Details
    ISSN: 1572-8358
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract This article examines some of the main tenets of competition theory in light of the theory of evolution and the concept of an ecological niche. The principle of competitive exclusion and the related assumption that communities exist at competitive equilibrium - fundamental parts of many competition theories and models - may be violated if non-equilibrium conditions exist in natural communities or are incorporated into competition models. Furthermore, these two basic tenets of competition theory are not compatible with the theory of evolution. Variation in ecologically significant environmental factors and non-equilibrium in population numbers should occur in most natural communities, and such changes have important effects on community relations, niche overlap, and the evolution of ecosystems. Ecologists should view competition as a process occurring within a complexdynamic system, and should be wary of theoretical positions built upon simple laboratory experiments or simplistic mathematical models. In considering the relationship between niche overlap and competition, niche overlap should not be taken as a sufficient condition for competition; many factors may prevent or diminish competition between populations with similar resource utilization patterns. The typically opposing forces of intraspecific and interspecific competition need to be simultaneously considered, for it is the balance between them that in large part determines niche boundaries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01857239
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    NMR chemical shifts of xenon in aqueous solutions of amphiphiles: A new probe of the hydrophobic environment (1984)
    Springer
    Journal of solution chemistry 13 (1984), S. 779-787 
    Details
    ISSN: 1572-8927
    Keywords: NMR ; chemical shifts ; aqueous solutions ; alcohols ; xenon ; dimethylsulfoxide ; amphiphiles ; hydrophobic effects ; acetonitrile ; dioxane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The chemical shift of elemental xenon in solution is sensitive to the environment. The shift arises from van der Waals interactions in most liquids, but an additional effect is present in aqueous media yielding a larger shift than expected. In water the shift is affected by the presence of low molecular weight amphiphiles, and its variation with composition can reveal the presence of hydrophobic hydration of the amphiphile. The results are similar to the conclusions drawn from other physical studies. Data are presented for aqueous solutions of methanol, ethanol, n-propanol, iso-propanol, tert-butanol, dimethylsulfoxide, p-dioxane, and acetonitrile.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647693
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Forecasting transport development: Testing the utility of a simple regression approach (1974)
    Springer
    Transportation 3 (1974), S. 243-254 
    Details
    ISSN: 1572-9435
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Abstract The analysis tests the utility of a simple regression approach in “postdictively” explaining transport development in West Malaysia from 1887 to 1968. The growth of the network is modelled as a process of contagious diffusion where transport densities of adjacent cells are used as predictor variables on a lagged basis. The partial regression coefficients provide measures of network orientation over time. The results demonstrate the importance of the contagion process in transport forecasting and provide equivalent levels of explanation when compared with a model which utilizes modernization indexes as predictor weights.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00165489
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...