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  • Springer  (63)
  • American Chemical Society  (27)
  • Wiley  (19)
  • Wiley-Blackwell  (8)
  • American Society of Hematology  (3)
  • International Union of Crystallography  (2)
  • Springer Nature  (2)
  • 2020-2022
  • 2000-2004
  • 1995-1999  (114)
  • 1960-1964  (10)
  • 1955-1959
  • 1930-1934
  • 1998  (44)
  • 1996  (70)
  • 1961  (10)
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  • 2020-2022
  • 2000-2004
  • 1995-1999  (114)
  • 1960-1964  (10)
  • 1955-1959
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Mass Spectra of Aliphatic Thiols and Sulfides (1961)
    s.l. : American Chemical Society
    Analytical chemistry 33 (1961), S. 707-722 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60174a017
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  • 2
    Electronic Resource
    Electronic Resource
    Many-Membered Carbon Rings. XXIII. Restricted Rotation in a Simple Paracyclophane1-3 (1961)
    s.l. : American Chemical Society
    The @journal of organic chemistry 26 (1961), S. 1687-1691 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01065a001
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  • 3
    Electronic Resource
    Electronic Resource
    Dimensional analysis in mathematical biology I. General discussion (1961)
    Springer
    Bulletin of mathematical biology 23 (1961), S. 355-376 
    Details
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract Dimensional analysis is discussed from the viewpoint of its basic group properties and shown to be an algebraic Abelian group that is useful for analysis of physical measurements. The application of the method to various types of equations and the formulation of previously unclassified dimensions are discussed. Functional dimensional analysis is applied to the problems of cell size and biomass proliferation; future applications are also noted. A number of dimensionless terms have been formulated for cellular physiochemical phenomena. They apparently represent the first systematic study of biological dimensionless numbers recorded in the literature. A dimensionless proliferation law is suggested. A brief analysis of the physical dimensionality associated with information measures is carried out. Entropy and “information” are shown to be completely different in their dimensional meaning; other informational measures of possible interest in biology are proposed. The dimensional coding and computor analysis of biomathematical equations is suggested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02476492
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  • 4
    Electronic Resource
    Electronic Resource
    Entropiebilanzen und Ressourcenverbrauch (1996)
    Springer
    Naturwissenschaften 83 (1996), S. 459-466 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01144014
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  • 5
    Electronic Resource
    Electronic Resource
    Entropiebilanzen und Ressourcenverbrauch (1996)
    Springer
    Naturwissenschaften 83 (1996), S. 459-466 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01144014
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  • 6
    Electronic Resource
    Electronic Resource
    Regularity estimates for solutions to the mean curvature flow with a Neumann boundary condition (1996)
    Springer
    Calculus of variations and partial differential equations 4 (1996), S. 385-407 
    Details
    ISSN: 1432-0835
    Keywords: 35K22 ; 53A07
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract In this work we study the behaviour of compact, smooth, immersed manifolds with boundary which move under the mean curvature flow in Euclidian space. We thereby prescribe the Neumann boundary condition in a purely geometric manner by requiring a vertical contact angle between the unit normal fields of the immersions and a given, smooth hypersurface∑. We deduce a very sharp local gradient bound depending only on the curvature of the immersions and∑. Combining this with a short time existence result, we obtain the existence of a unique solution to any given smooth initial and boundary data. This solution either exists for anyt〉0 or on a maximal finite time interval [0,T] such that the curvature explodes ast→T.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01190825
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  • 7
    Electronic Resource
    Electronic Resource
    Convergence of solutions to the mean curvature flow with a Neumann boundary condition (1996)
    Springer
    Calculus of variations and partial differential equations 4 (1996), S. 421-441 
    Details
    ISSN: 1432-0835
    Keywords: Mathematics Subject Classification:35K22; 53A07
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract. This work continues our considerations in [15], where we discussed existence and regularity results for the mean curvature flow with homogenious Neumann boundary data. We study the long time evolution of compact, smooth, immersed manifolds with boundary which move under the mean curvature flow in Euclidian space. On the boundary, a Neumann condition is prescribed in a purely geometric manner by requiring a vertical contact angle between the unit normal fields of the immersions and a given, smooth hypersurface $\vec\Sigma$ . We deduce estimates for the curvature of the immersions and, in a special case, we obtain a precise description of the possible singularities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01246150
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  • 8
    Electronic Resource
    Electronic Resource
    Overexpression of a cytosolic hydroxymethylglutaryl-CoA reductase leads to squalene accumulation in yeast (1998)
    Springer
    Applied microbiology and biotechnology 49 (1998), S. 66-71 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The enzyme 3-hydroxy-3-methylglutaryl-coenzyme-A (HMG-CoA) reductase is known as the rate-limiting enzyme in early sterol biosynthesis in eukaryotic cells. To eliminate this regulation in the yeast Saccharomyces cerevisiae, a truncated HMG1 gene, producing a form of the enzyme that lacks the membrane-binding region (i.e. amino acids 1–552), was constructed and overexpressed in this yeast. The transformed strains accumulated large amounts of the sterol precursor squalene, while the levels of ergosterol and a number of other sterol compounds were only slightly elevated. These findings suggest that HMG-CoA reductase is not the only rate-limiting step in sterol synthesis and its overexpression cannot significantly influence this pathway beyond the sterol precursor squalene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002530051138
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  • 9
    Electronic Resource
    Electronic Resource
    Regularity estimates for solutions to the mean curvature flow with a Neumann boundary condition (1996)
    Springer
    Calculus of variations and partial differential equations 4 (1996), S. 385-407 
    Details
    ISSN: 1432-0835
    Keywords: Mathematics Subject Classification:35K22; 53A07
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract. In this work we study the behaviour of compact, smooth, immersed manifolds with boundary which move under the mean curvature flow in Euclidian space. We thereby prescribe the Neumann boundary condition in a purely geometric manner by requiring a vertical contact angle between the unit normal fields of the immersions and a given, smooth hypersurface ${\vec\Sigma}$ . We deduce a very sharp local gradient bound depending only on the urvature of the immersions and ${\vec\Sigma}$ . Combining this with a short time existence result, we obtain the existence of a unique solution to any given smooth initial and boundary data. This solution either exists for any $t〉0$ or on a maximal finite time interval $[0,T]$ such that the curvature explodes as $t \rightarrow T$ .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01190825
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  • 10
    Electronic Resource
    Electronic Resource
    Convergence of solutions to the mean curvature flow with a Neumann boundary condition (1996)
    Springer
    Calculus of variations and partial differential equations 4 (1996), S. 421-441 
    Details
    ISSN: 1432-0835
    Keywords: 35K22 ; 53A07
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract This work continues our considerations in [15], where we discussed existence and regularity results for the mean curvature flow with homogenious Neumann boundary data. We study the long time evolution of compact, smooth, immersed manifolds with boundary which move under the mean curvature flow in Euclidian space. On the boundary, a Neumann condition is prescribed in a purely geometric manner by requiring a vertical contact angle between the unit normal fields of the immersions and a given, smooth hypersurfaceΣ. We deduce estimates for the curvature of the immersions and, in a special case, we obtain a precise description of the possible singularities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01246150
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    Paper (German National Licenses)
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