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  • Biochemistry and Biotechnology  (4,119)
  • Physical Chemistry  (1,127)
  • 1990-1994  (5,246)
  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer Berlin Heidelberg
    Keywords: Physics ; Physical chemistry ; Atoms ; Physics ; Chemistry, Physical organic ; Plasma (Ionized gases) ; Physics ; Physical Chemistry ; Atoms, Molecules, Clusters and Plasmas
    Description / Table of Contents: This set of survey talks presented to graduate students serves as a thorough exposition of the subject. The study of complex fluids (with internal structure) is important for theoretical purposes but also, and maybe even more so, for applied research. The reader will find papers on colloid mixtures, the structure of DNA mesophases, ferrofluids, chain dynamics, liquid crystals, computer simulations of macromolecules, fluidization, emulsions, relaxations and many other related topics
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (XIII, 416 p. 83 illus)
    Edition: Springer eBook Collection. Physics and Astronomy
    ISBN: 9783540475521 , 9783540563969
    Series Statement: Lecture Notes in Physics 415
    Language: English
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  • 2
    Keywords: Physics ; Physical chemistry ; Thermodynamics ; Statistical physics ; Dynamical systems ; Materials Surfaces ; Thin films ; Physics ; Chemistry, Physical organic ; Statistical physics ; Thermodynamics ; Surfaces (Physics) ; Physics ; Thermodynamics ; Physical Chemistry ; Surfaces and Interfaces, Thin Films ; Statistical Physics
    Description / Table of Contents: This is a collection of reasonably self-contained review articles on various features of wetting phenomena from both experimental and theoretical points of view. The experimental papers are concerned with wetting at nanoscopic scales, magnetic wetting transitions, convection at interfaces, and adsorption on a surface. The theoretical part is constituted by recent exact results at d=3, some reviews on wetting and disorder, a mathematical description of wetting, front propagation, random surfaces, and wetting within Potts models. The book addresses researchers, engineers, and graduate students in chemistry, physics, and applied mathematics
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (VII, 112 p. 4 illus)
    Edition: Springer eBook Collection. Physics and Astronomy
    ISBN: 9783540469667 , 9783540523383
    Series Statement: Lecture Notes in Physics 354
    Language: English
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  • 3
    Keywords: Physics ; Physical chemistry ; Mechanics ; Thermodynamics ; Statistical physics ; Dynamical systems ; Physics ; Chemistry, Physical organic ; Statistical physics ; Mechanics ; Thermodynamics ; Engineering ; Physics ; Complexity ; Thermodynamics ; Physical Chemistry ; Mechanics ; Statistical Physics
    Description / Table of Contents: The pedagogically presented lectures deal with viscoelastic behaviour of fluids, the compatibility of rheological theories with nonequilibrium thermodynamics, fluids under shear, and polymer behaviour in solution and in biological systems. The main aims of the book are to stress the importance of the study of rheological systems for statistical physics and nonequilibrium thermodynamics and to present recent results in rheological modelling. The book will be a valuable source for both students and researchers
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (VII, 378 p. 13 illus)
    Edition: Springer eBook Collection. Physics and Astronomy
    ISBN: 9783540465690 , 9783540539964
    Series Statement: Lecture Notes in Physics 381
    Language: English
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  • 4
    Keywords: Chemistry ; Physical chemistry ; Thermodynamics ; Observations, Astronomical ; Astronomy Observations ; Astrophysics ; Statistical physics ; Dynamical systems ; Chemistry ; Chemistry, Physical organic ; Physics ; Statistical physics ; Thermodynamics ; Astronomy ; Astrophysics ; Engineering ; Chemistry ; Complexity ; Thermodynamics ; Physical Chemistry ; Statistical Physics ; Astronomy ; Astrophysics
    Description / Table of Contents: The articles in this book reflect the omnipresence of diffusion processes in the natural sciences. They describe experimental results as well as theoretical models and computer simulations, and address a wide readership including graduate students. The problems treated stem from physics, astronomy, physical chemistry, biology, and medicine. The papers are presented in a tutorial style and reflect the present-day trends in the field
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (VIII, 312 p. 33 illus)
    Edition: Springer eBook Collection. Physics and Astronomy
    ISBN: 9783540490388 , 9783540586531
    Series Statement: Lecture Notes in Physics 438
    Language: English
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  • 5
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer Berlin Heidelberg
    Keywords: Chemistry ; Inorganic chemistry ; Physical chemistry ; Statistical physics ; Dynamical systems ; Chemistry ; Chemistry, inorganic ; Chemistry, Physical organic ; Physics ; Engineering ; Chemistry ; Complexity ; Physical Chemistry ; Inorganic Chemistry
    Description / Table of Contents: In this comprehensive text a systematic numerical and analytical treatment of the procedures for reducing complicated systems to a simplified reaction mechanism is presented. The results of applying the reduced reaction mechanism to a one-dimensional laminar flame are discussed. A set of premixed and non-premixed methane-air flames with simplified transport and skeletal chemistry are employed as test problems that are used later on to evaluate the results and assumptions in reduced reaction networks. The first four chapters form a short tutorial on the procedures used in formulating the test problems and in reducing reaction mechanisms by applying steady-state and partial-equilibrium approximations. The final six chapters discuss various aspects of the reduced chemistry problem for premixed and nonpremixed combustion
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (V, 248 p. 23 illus)
    Edition: Springer eBook Collection. Physics and Astronomy
    ISBN: 9783540474968 , 9783540542100
    Series Statement: Lecture Notes in Physics 384
    Language: English
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  • 6
    Keywords: Physics ; Physical chemistry ; Thermodynamics ; Statistical physics ; Dynamical systems ; Materials Surfaces ; Thin films ; Physics ; Chemistry, Physical organic ; Statistical physics ; Thermodynamics ; Surfaces (Physics) ; Physics ; Thermodynamics ; Physical Chemistry ; Surfaces and Interfaces, Thin Films ; Statistical Physics
    Description / Table of Contents: Beginning with Nobel laureate I. Prigogine's lecture "Entropy Revisited", this book gives a well-balanced survey on capillarity properties at liquid and solid interfaces. It approaches the subject from both the microscopic (statistical mechanics) and the macroscopic (mechanics and thermodynamics) points of view. Experimental aspects and technological applications are also presented. The book addresses researchers and graduate students of physics and physical chemistry
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (XI, 386 p. 101 illus)
    Edition: Springer eBook Collection. Physics and Astronomy
    ISBN: 9783540475859 , 9783540543671
    Series Statement: Lecture Notes in Physics 386
    Language: English
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 7 (1990) 
    ISSN: 0887-3585
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 7 (1990), S. 16-31 
    ISSN: 0887-3585
    Keywords: BPTI ; dithiothreitol ; DTT-sensitive mutants ; protein folding ; random mutagenesis ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: A genetic screening procedure has been developed to identify mutant forms of bovine pancreatic trypsin inhibitor (BPTI) that can fold to an active conformation but are inactivated more rapidly than the wild type protein. Small cultures of Escherichia coli containing plasmids with mutagenized BPTI genes were grown in microtiter plates, lysed, and treated with dithiothreitol (DTT). Under these conditions, unfolding and inactivation of wild-type protein has a half-time of about 10 hours. Variants of BPTI that are inactivated within 1 hour were identified by adding trypsin and a chromogenic substrate. Approximately 11,000 mutagenized clones were screened in this way and 75 clones that produce proteins that can fold but are inactivated by DTT were isolated. The genes coding for 68 “DTT-sensitive” mutant proteins were sequenced, and 25 different single amino acid substitutions at 15 of the 58 residues of the protein were identified. Most of the altered residues are largely buried in the core of the naive wild-type structure and are highly conserved among proteins homologous to BPTI. These results indicate that a large fraction of the sequence of the protein contributes to the kinetic stability of the active conformation, but it also appears that substitutions can be tolerated a most sites without completely preventing folding Because this genetics, further studies of the isolated mutants are expected to provide information about the roles of the altered residues in folding and unfolding.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 7 (1990) 
    ISSN: 0887-3585
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 7 (1990), S. 74-92 
    ISSN: 0887-3585
    Keywords: thermostability ; bacterial lactate dehydrogenase ; allosteric regulations ; crystallography ; molecular replacement ; coenzyme binding ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Structures have been determined of Bacillus stearothermophilus “apo” and holo lactate dehydrogenase. The holo-enzyme had been co-crystallized with the activator fructose 1,6-biosphosphate. The “apo” lactate dehydrogenase structure was solved by use of the known apo-M4 dogfish lactate dehydrogenase molecule as a starting model. Phases were refined and extended from 4 Å resolution by means of the noncrystallographic molecular 222 symmetry. The R-factor was reduced to 28.7%, using 2.8 Å resolution data, in a restrained least-squares refnement in which the molecula rsymmetry was imposed as a constraint. A low occupancy of coenzyme was found in each of the four subunits of the “apo” enzyme.Further refinement proceeded with the isomorphous holo-enzyume from Bacillus Stearothermophilus. After removing the noncrystallographic constraints, the R-factor dropped from 30.3% to a final value of 26.0% with a 0.019 Å and 1.7° r.m.s. deviation from idealized bond length and angles, respectively.Two sulfate ions per subunit were included in the final model of the “apo” -from-one at the substrate binding site and one close to the molecular P -axis near the location of the fructose 1,6-bisphosphate activator. The final model of the holo-enzyme incorporated two sulfate ions per subunit, one at the substrate binding site and another close to the R-axis. One nicotinamide adenine dinucleotide coenzyme molecule per subunit and two fructose 1,6-bisphosphate molecules per tetramer were also included. The phosphate positions of fructose 1,6-bisphosphate are close to the sulfate ion near the P-axis in the “apo” model.This structure represents the first reported refined model of an allosteric activated lactate dehydrogenase. The structure of the activated holo-enzyme showed far greater similarity to the ternary complex of dogfish M4 lactate dehydrogenase with incotinamide adenine dinucleotide and oxamate than to apo-M4 dogfish lactate dehydrogenase. The conformations of nicotinamide adenine dinucleotide and fructose, 1,6-bisphosphate were also analyzed.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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