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  • Chemistry  (429)
  • crystal structure  (4)
  • Charkow, Ukraine
  • 1990-1994  (132)
  • 1965-1969  (150)
  • 1940-1944  (39)
  • 1905-1909  (109)
Collection
Keywords
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Physik (1991)
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 25 (1991), S. viii 
    Details
    ISSN: 0009-2851
    Keywords: Chemistry ; Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ciuz.19910250212
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Untersuchungen über Oxytoluylsäuren Ueber 4-Oxy-1,2-toluylsäure (1908)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 361 (1908), S. 218-250 
    Details
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.19083610205
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  • 3
    Electronic Resource
    Electronic Resource
    Über langkettige Sulfonamide und ihre therapeutischen Eigenschaften (1942)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 75 (1942), S. 369-378 
    Details
    ISSN: 0365-9631
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19420750412
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  • 4
    Electronic Resource
    Electronic Resource
    Die Polymerisation des Isoprens durch Bleicherden; Darstellung eines aliphat. Diisoprens. (Über Polymerisationsreaktionen von Dienen, V. MitteilungIV. Mitteil.: Th. Lennartz, B. 76, 1006 [1943].) (1943)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 76 (1943), S. 1161-1165 
    Details
    ISSN: 0365-9631
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19430761202
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    Paper (German National Licenses)
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  • 5
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    Unknown
    Jahresbericht über die Fortschritte auf dem Gesamtgebiete der Agrikultur-Chemie (1909)
    In:  Dritte Folge, XII.
    Details
    Publication Date: 1909
    Description: Zusammentragung der Erkenntnisse des Jahres 1909 im Gebiet der Agrarchemie KATASTER-BESCHREIBUNG: Erinfluss der Witterung (Niederschlag, Temperatur, Sonnenscheindauer) auf den Ertrag KATASTER-DETAIL: Delta Nied (Vegetationszeit) +, dann Erträge (Winter- und Sommergetreide)+; Delta T (Vegetationszeit) -, , dann Erträge (Winter- und Sommergetreide)+; Delta Nied (September und Juni) +, dann Erträge (Wintergetreide)+; Delta T (September und Juni) -, , dann Erträge (Wintergetreide)+; Delta Nied (vorausgegangene Regenfälle) +, dann Erträge (Sommergetreide) +; Delta Nied (September, Mai, Juni) beeinflusst Erträge von Hafer und Weizen; Delta Nied (September, Oktober, Juni) beeinflusst Erträge von Gerste; Delta Nied (Vegetationsperiode) beeinflusst direkt Erträge von Rüben Delta T (Vegetationsperiode) beeinflusst indirekt Erträge von Rüben; Delta Sonn (Juli, August, September) -, dann Qualität der Rüben +; Bodenfeuchte +, dann Wasserverbrauch (Hafer) +; Bodenfeuchte +, dann Wurzelentwicklung (Hafer)+; Bodenfeuchte +, dann Länge und Stärke der Halme, Länge der Internodien sowie Rispengewicht (Hafer)+; Ernte-, dann relativer Wasserverbrauch (Rüben, Roggen, Gerste, Lupinen, Kartoffeln, Sommergerste)+
    Keywords: Charkow, Ukraine ; 1893-1902 ; Zuckerrüben ; Kartoffeln ; Ertrag ; Getreide ; Hafer ; Niederschlag ; Roggen ; Temperatur ; Weizen ; Witterung ; Gerste
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    BIBLIOGRAPHY INKA BB
  • 6
    Electronic Resource
    Electronic Resource
    Calorimetric investigation of the influence of polymer concentration on the transition enthalpy in the helix-coil transition of the double-stranded helical complex poly(A + U) (1969)
    New York : Wiley-Blackwell
    Biopolymers 7 (1969), S. 611-613 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.1969.360070416
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  • 7
    Electronic Resource
    Electronic Resource
    Size and shape parameter of the actin-binding protein profilin in solution: A depolarized and polarized dynamic light scattering study (1990)
    New York : Wiley-Blackwell
    Biopolymers 30 (1990), S. 219-222 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360300123
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  • 8
    Electronic Resource
    Electronic Resource
    Restrained energy refinement with two different algorithms and force fields of the structure of the α-amylase inhibitor tendamistat determined by nmr in solution (1990)
    New York : Wiley-Blackwell
    Biopolymers 29 (1990), S. 695-706 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The solution structure of an α-amylase inhibitor, tendamistat, calculated from nmr data with the distance geometry program DISMAN is subjected to restrained energy minimization. To study the influence of force field parametrizations and the convergence behavior of refinement algorithms, two different programs were used. AMBER is an established software package including a steepest descent and/or conjugent gradient optimizer in the Euclidian space; the name AMBER also represents a force field. The program FANTOM (fast Newton-Raphson torsion angle energy minimizer) is a new restrained energy refinement implementation of the Newton-Raphson algorithm, which uses second derivatives of the conformational energy in dihedral angle space with the ECEPP/2 force field. For both programs the normal energy force field was supplemented with an additional potential of the form ΣA(di - ui)6 (if di 〉 ui), which enforces upper limits ui to selected distances di as measured by nmr. Improvements of the intramolecular interactions with a decrease of the internal energies of about 1000 kcal/mol could be achieved without increasing the distance constraint violations. The restrained energy refinements caused only small changes of the molecular geometries: The root mean square distance values for the backbone atoms between the initial DISMAN structure and the refined structures are about 0.5 Å for AMBER and about 0.7 Å for FANTOM. Local conformational changes during the restrained energy minimizations are analyzed with respect to hydrogen-bond formation, and with respect to comparisons of the solution structure and the crystal structure.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360290404
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  • 9
    Electronic Resource
    Electronic Resource
    Internal dynamics of tRNAPhe studied by depolarized dynamic light scattering (1990)
    New York : Wiley-Blackwell
    Biopolymers 30 (1990), S. 975-983 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The collective internal dynamics of transfer RNAphe from brewer's yeast in solution was studied by depolarized dynamic light scattering (DDLS). Within the melting region of tRNA the depolarized spectra consist of two Lorentzian, where the narrow (slow) component describes the overall rotation of the macromolecule. The broad component is attributed to the collective reorientation of the bases within the biopolymer. At high temperature only this relaxation process is observed in the spectrum. The viscosity dependence of the collective internal relaxation process is described by the Stokes-Einstein-Debye equation for rotational diffusion. Estimates of the internal orientational pair correlation factor from the integral depolarized intensities of tRNAPhe solutions indicates that the observed dynamics correspond to the collective reorientation of approximately 5 bases. A comparison of the results presented with DDLS studies on the aggregation of the mononucleotide guanosine-5′-monophosphate confirms this result. For a further characterization of the relaxation process we studied the effect of hydrostatic pressure (1-1000 bar) on the depolarized spectra of tRNA. While other spectroscopic methods like nmr, fluorescence polarization anisotropy decay, or ESR give information about the very local motion of a single base within the DNA or RNA, this study shows that by DDLS one can characterize collective internal motions of macromolecules.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360300912
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  • 10
    Electronic Resource
    Electronic Resource
    Internal dynamics of linear and superhelical DNA as studied by photon correlation spectroscopy (1991)
    New York : Wiley-Blackwell
    Biopolymers 31 (1991), S. 813-825 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Photon correlation spectroscopy has been used to study the translational (D0)and internal dynamics of monodisperse linear and polydisperse superhelical plasmid-DNAs. Scattering vector dependent correlation functions were measured and analyzed with the inverse Laplace transform CONTIN written by S. Provencher. For scattering vectors (q) lower than 1.3 × 105cm-1, D0 can be separated from internal dynamics. Using the measured D0value, the q dependence of internal modes was determined. Extrapolation of the internal relaxation times for q → 0 yields the longest internal relaxation time t1. This time can be connected to the persistence length in terms of the Berg-Soda model, which describes the molecule as a semiflexible circular polymer with hydrodynamic interactions. The calculated length of 76 nm for DNA, I = 0.15 mol/L, is a little higher than the one obtained from static light scattering data without excluded volume corrections. A comparison of experimental and simulated correlation functions for the Berg-Soda model shows that the model gives a fairly good description of the dynamics of the linear molecule, whereas large discrepancies between model and experimental functions are observed for the superhelical DNA. Small differences between model and experimental functions are mainly attributed to the neglect of the torsional modes that may be coupled to bending and flexing modes. For the superhelical DNA the agreement is improved if the calculation is carried out with a linear molecule, with shorter contour length and increased diameter. Both quantities can be derived from the known superhelix tilt angle.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360310702
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