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  • 1
    Online Resource
    Online Resource
    La Vergne :RSC,
    Keywords: Electronic books.
    Description / Table of Contents: The first book dedicated to Janus particles, written by pioneering experts for those both new and active in the field.
    Type of Medium: Online Resource
    Pages: 1 online resource (313 pages)
    Edition: 1st ed.
    ISBN: 9781849735100
    Series Statement: ISSN Series
    Language: English
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  • 2
    Online Resource
    Online Resource
    La Vergne :Royal Society of Chemistry, The,
    Keywords: Nanoparticles. ; Smart materials. ; Electronic books.
    Description / Table of Contents: The first book dedicated to Janus particles, written by pioneering experts for those both new and active in the field.
    Type of Medium: Online Resource
    Pages: 1 online resource (313 pages)
    Edition: 1st ed.
    ISBN: 9781849735100
    Series Statement: Issn Series
    DDC: 620.115
    Language: English
    Note: Janus Particle Synthesis, Self-Assembly and Applications -- Contents -- Chapter 1 Soft, Nanoscale Janus Particles by Macromolecular Engineering and Molecular Assembly -- 1.1 Introduction -- 1.2 Janus Particles via Direct Macromolecular Engineering -- 1.3 Janus Particles via Direct Self-assembly and Transformations in Solution -- 1.4 Janus Particles via Transformation of Self-assembled Polymer Bulk Structures -- 1.5 Self-assembly Properties of Polymer-based Janus Particles of Different Dimensionality -- 1.6 Application as Structured Particulate Surfactants -- 1.7 Summary and Outlook -- References -- Chapter 2 Design, Synthesis and Applications of Dumbbell-like Nanoparticles -- 2.1 Introduction -- 2.2 Synthesis -- 2.2.1 DBNPs Containing Noble Metal and Transition Metal Oxide NPs -- 2.2.2 DBNPs Containing Semiconductor NPs -- 2.2.3 DBNPs Containing More Than Two Particles -- 2.3 Functional Applications of DBNPs -- 2.3.1 DBNPs as Heterogeneous Catalysts -- 2.3.2 DBNPs as a Multifunctional Platform for Biomedical Applications -- 2.4 Conclusion and Future Directions -- References -- Chapter 3 Janus Particles with Distinct Compartments via Electrohydrodynamic Co-jetting -- 3.1 Introduction -- 3.2 Compartmentalization of Nano- and Microparticles via Electrohydrodynamic Co-jetting -- 3.3 Microsectioning of Compartmentalized Fibers -- 3.4 Hybrid Janus Particles -- 3.5 Selective Surface Modification and Directional Self-assembly -- 3.6 Summary and Outlook -- Acknowledgements -- References -- Chapter 4 Synthesis of Janus Particles by Emulsion-based Methods -- 4.1 Introduction -- 4.2 Synthesis at a Pickering Emulsion Interface -- 4.3 Synthesis in a Liquid Droplet -- 4.4 Synthesis upon Preformed Particles -- 4.5 Summary and Outlook -- References. , Chapter 5 Particle Replication in Non-wetting Templates: a Platform for Engineering Shape- and Size-specific Janus Particles -- 5.1 Introduction -- 5.2 PRINT Technique -- 5.3 Janus Particles Fabricated by the PRINT Technique -- 5.3.1 Stepwise Vertical Mold Filling -- 5.3.2 Horizontal Stepwise Mold Filling -- 5.4 Patchy PRINT Particles -- 5.4.1 Surface-modified Particles by Chemical Grafting -- 5.4.2 Surface-functionalized Particles by Metal Deposition -- 5.5 Self-assembly of Janus PRINT Particles -- 5.6 Conclusion and Future Perspectives -- Acknowledgements -- References -- Chapter 6 Theoretical Calculations of Phase Diagrams and Self-assembly in Patchy Colloids -- 6.1 Introduction -- 6.2 The Kern-Frenkel Model -- 6.3 The Tools of Statistical Physics -- 6.4 Monte Carlo Simulations -- 6.4.1 Canonical NVT and NPT Methods -- 6.4.2 Gibbs Ensemble Method -- 6.4.3 Grand-canonical Ensemble μVT -- 6.4.4 Fluid-Solid Coexistence: Thermodynamic Integration -- 6.5 Integral Equation Theories -- 6.5.1 General Scheme -- 6.5.2 Iterative Procedure -- 6.5.3 Thermodynamics -- 6.6 Barker-Henderson Perturbation Theory -- 6.7 Calculation of the Fluid-Fluid Coexistence Curves for the Integral Equation and Perturbation Theory -- 6.8 Results -- 6.8.1 Fluid-Fluid Coexistence Curves from the RHNC Integral Equation -- 6.8.2 The Janus Limit -- 6.8.3 One Versus Two Patches -- 6.8.4 Evaluation of the Fluid-Fluid Coexistence Curves from Thermodynamic Perturbation Theory -- 6.8.5 Fluid-Solid Coexistence -- 6.8.6 Self-assembly in a Predefined Kagome Lattice -- 6.9 Conclusions and Future Perspectives -- Acknowledgements -- References -- Chapter 7 Self-assembly of Amphiphilic and Dipolar Janus Particles -- 7.1 Introduction -- 7.2 Numerical Methods: Modeling of Janus Particles -- 7.2.1 Dipolar Janus Particles -- 7.2.2 Amphiphilic Janus Particles -- 7.3 Experimental Methods. , 7.3.1 Dipolar Janus Particles -- 7.3.2 Amphiphilic Janus Particles -- 7.4 Experiments on and Simulations of Janus Self-assembly -- 7.4.1 Dipolar Janus Particles -- 7.4.2 Amphiphilic Janus Particles -- 7.5 Off-balance Amphiphilic Janus Particles -- 7.6 Conclusion -- Acknowledgements -- References -- Chapter 8 Self-assembly of Janus Particles Under External Fields -- 8.1 Introduction -- 8.1.1 Convective Flow and Uniaxial Electric/Magnetic Fields -- 8.1.2 Biaxial Combinations of Electric and Magnetic Fields -- 8.2 Janus Particle Preparation and Cell Set-up for Field Assembly -- 8.2.1 Materials -- 8.2.2 Janus Particle Preparation -- 8.2.3 Assembly Cells for Field Assembly -- 8.3 Field Assembly of Janus Particles -- 8.3.1 Janus Particles in Convective Flow Fields -- 8.3.2 Janus Particles in Electric Fields -- 8.3.3 Janus Particles in Magnetic Fields -- 8.3.4 Janus Particles in Biaxial Fields -- 8.4 Future Outlook -- Acknowledgements -- References -- Chapter 9 DNA Self-Assembly: From Nanostructures to Macro Engineering -- 9.1 Introduction -- 9.2 DNA Nanomachines -- 9.2.1 Conformational Changes Induced by Environmental Changes -- 9.2.2 Motions Fueled by Strand Displacement -- 9.2.3 Autonomous Motion Powered by Enzymatic Activity -- 9.3 DNA-enabled Self-assembly of Inorganic/Organic Nanoparticles -- 9.3.1 Properties of DNA-modified Gold Nanoparticles -- 9.3.2 Directed Self-assembly of DNA-modified Gold Nanoparticles -- 9.4 Micro- to Macro-engineering by Self-assembly -- 9.5 Conclusion -- References -- Chapter 10 Janus Particle Localization and Tracking for Studies of Particle Dynamics -- 10.1 Introduction -- 10.2 Isolated Particle Localization -- 10.2.1 Spatial Localization -- 10.2.2 Angular Localization -- 10.2.3 Experimental Validation -- 10.3 Optically Overlapping Particle Localization -- 10.3.1 Image Preprocessing -- 10.3.2 Overlapping Object Recognition. , 10.3.3 Separation of Overlapping Janus Spheres -- 10.3.4 Refining the Position and Extracting the Orientation -- 10.4 Probing Translational and Rotational Dynamics -- 10.5 Conclusion -- Acknowledgements -- References -- Chapter 11 Janus Balance and Emulsions Stabilized by Janus Particles -- 11.1 Introduction -- 11.2 Janus Particles at a Planar Interface -- 11.3 Janus Balance -- 11.3.1 Contact Angle of Janus Particles at an Interface -- 11.3.2 Adsorption Energy -- 11.3.3 Quantification of Janus Balance -- 11.3.4 An Example -- 11.3.5 Outlook and Potential Implications -- 11.4 Emulsions Stabilized by Janus Particles -- 11.4.1 An Example -- 11.4.2 Other Progress -- Acknowledgement -- References -- Chapter 12 Applications of Janus and Anisotropic Particles for Drug Delivery -- 12.1 Overview -- 12.2 Nanoparticle Design to Overcome Barriers to Drug Delivery -- 12.3 Examples of Nanoparticle Systems: Liposomes, Micelles and Dendrimers -- 12.4 Anisotropic, Patchy and Janus Particles in Systemic Drug Delivery -- 12.4.1 Particles with Anisotropic, Janus or Patchy Surfaces -- 12.4.2 Interior Particle Compartmentalization -- 12.4.3 Anisotropic Geometries -- 12.5 Conclusion -- References -- Subject Index.
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  • 3
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 3857-3865 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: As a step toward elucidating the connection between the structure and mobility of liquid water, we analyze quenched molecular dynamics configurations at different densities. We find that the mobility is directly related to the existence of "topological defects'' of the tetrahedral network. The defects act as catalysts, providing lower energy pathways between different tetrahedral local arrangements.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 95 (1991), S. 7775-7776 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the collective modes of water using molecular dynamics with the ST2 model potential, by calculating the dynamic structure factor S(q,ω). We identify the previously reported "first'' sound mode to be due to the wave vector independent oxygen bending mode.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 98 (1993), S. 5694-5700 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We perform a molecular dynamics simulation of the hexagonal solid phase of water, using a new polarizable and flexible potential which has been derived from quantum mechanical calculations. We calculate and compare with available experimental data the molecular structure, the density of states in the translational, librational, and vibrational regions as well as the acoustic dispersion relations. The molecular structure in the condensed phase is found to be in agreement with the recent interpretation of the neutron scattering data of Kuhs and Lehmann [W. F. Kuhs and M. S. Lehmann, J. Phys. (Paris) 48, C1, 3 (1987)]. The collective low frequency modes in the simulated ice are in good agreement with the experimental data in the c-axis direction but 20% softer in the hexagonal plane.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 100 (1994), S. 5361-5366 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The Raman spectrum of water in the translational frequency regime has been interpreted in terms of localized vibrational density of states and, in seeming contradiction, in terms of contributions of long-range dipole induced dipole (DID) reactions. We show that these interpretations can be consistently understood by obtaining the Raman spectrum from the normal modes of the inherent liquid structures. We calculate the DID contributions to the Raman spectra for each individual mode, and show that the aggregate spectrum obtained agrees well with both the DID spectrum obtained directly from a molecular dynamics simulation and the spectrum obtained by simulating harmonic dynamics (i.e., exciting all the modes at once and calculating the DID spectrum from the resulting dynamical trajectory of the system).
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 100 (1994), S. 3881-3893 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Experimental and simulation studies of sound propagation in water have observed, at large wave vectors k (k(approximately-greater-than)0.25 A(ring)−1), a longitudinal sound mode with a velocity of about 3500 m/s, more than twice the hydrodynamic sound velocity. The relation between the hydrodynamic sound mode and the high frequency mode has been the center of contrasting interpretations. In this paper, we report extensive molecular dynamics simulations designed ad hoc to explore the intermediate and low k part of the collective spectrum. We calculate the dispersion relations for longitudinal and transverse collective modes from 0.026 to 1 A(ring)−1 for a range of temperatures. At all temperatures studied, the sound velocity increases with k. At the highest studied temperature, the sound velocity changes from values comparable to hydrodynamic sound velocity to ones observed by neutron scattering experiments. We show that the viscoelastic approximation describes the data satisfactorily. We also perform normal mode analysis of quenched liquid configurations to obtain further information about the behavior observed at intermediate frequencies (50–100 cm−1). We find further positive dispersion of the sound branch at these frequencies and indications which suggest the interaction of the sound branch with localized modes as the origin of such dispersion.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 98 (1993), S. 9863-9872 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Explicit study of the hydrogen bond network in water offers a microscopic approach to understanding the anomalous properties of water, while an alternate, thermodynamic approach is offered by the reentrant limit of stability (spinodal) conjecture. To relate the two approaches, we develop a lattice model based on microscopic considerations. We show that the model displays anomalous thermodynamic behavior that is in qualitative agreement with the behavior of water. We study the model in the mean field approximation and by numerical simulations. We explicitly demonstrate the interrelation between density maxima and the reentrance of the spinodal: both originate from the contribution of orientational degrees of freedom to the thermodynamics of the system. The metastable liquid state is bounded by a spinodal at positive pressures as well as negative pressures, where the positive pressure spinodal is the limit of stability with respect to the solid state. The liquid–gas and liquid–solid spinodals form a continuous locus, but the "critical'' properties of these two spinodals are quite different. While the response functions (specific heat, compressibility) diverge at liquid–gas spinodal, at the liquid–solid spinodal they do not—even though the response functions tend to higher values in the same fashion as occurs near the liquid–gas spinodal.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillian Magazines Ltd.
    Nature 412 (2001), S. 514-517 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Liquid silica is the archetypal glass former, and compounds based on silica are ubiquitous as natural and man-made amorphous materials. Liquid silica is also the extreme case of a ‘strong’ liquid, in that the variation of viscosity with temperature closely follows the Arrhenius law ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillian Magazines Ltd.
    Nature 406 (2000), S. 166-169 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As a liquid approaches the glass transition, its properties are dominated by local potential minima in its energy landscape. The liquid experiences localized vibrations in the basins of attraction surrounding the minima, and rearranges via relatively infrequent inter-basin jumps. As a ...
    Type of Medium: Electronic Resource
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