Self-Assembling Systems :Theory and Simulation

Publication subTitle :Theory and Simulation

Author: Li-Tang Yan  

Publisher: John Wiley & Sons Inc‎

Publication year: 2016

E-ISBN: 9781119113157

P-ISBN(Paperback): 9781119113140

P-ISBN(Hardback):  9781119113140

Subject: O621.13 Organic Chemistry Structure Theory

Keyword: Self-assembling systems Computer simulation Theory Nanoparticles Rational Design Phase Transition Soft Materials Predictive Science Hierarchical Self-Assembly Biophysics

Language: ENG

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Description

Provides comprehensive knowledge on concepts, theoretical methods and state-of-the-art computational techniques for the simulation of self-assembling systems

  • Looks at the field of self-assembly from a theoretical perspective
  • Highlights the importance of theoretical studies and tailored computer simulations to support the design of new self-assembling materials with useful properties
  • Divided into three parts covering the basic principles of self-assembly, methodology, and emerging topics

Chapter

1.2.3 Programmable Self-Assembly

1.2.4 Self-Assembling Kinetics: Supracolloidal Reaction

Acknowledgments

References

Chapter 2 Developing Hybrid Modeling Methods to Simulate Self-Assembly in Polymer Nanocomposites

2.1 Introduction

2.2 Methodology

2.2.1 Dissipative Particle Dynamics

2.2.2 Polymer Chains, Gels, and Nanoparticles

2.2.3 Radical Polymerization Model

2.3 Results and Discussions

2.3.1 Modeling Bulk Polymerization Using FRP and ATRP

2.3.2 Modeling Regeneration of Severed Polymer Gels with Interfacially Active Nanorods

2.3.3 Modeling the Formation of Polymer-Clay Composite Gels

2.4 Conclusions

Acknowledgments

References

Chapter 3 Theory and Simulation Studies of Self-Assembly of Helical Particles

3.1 Introduction: Why Hard Helices?

3.2 Liquid Crystal Phases

3.3 Hard Helices: A Minimal Model

3.4 Numerical Simulations

3.4.1 Monte Carlo in Various Ensembles

3.4.1.1 Canonical Monte Carlo simulations (NVT-MC)

3.4.1.2 Isothermal-Isobaric Monte Carlo Simulations (NPT-MC)

3.4.2 Details on the MC Simulation of Hard Helices

3.5 Onsager (Density Functional) Theory

3.6 Onsager-Like Theory for the Cholesteric and Screw-Nematic Phases

3.7 Order Parameters and Correlation Functions

3.7.1 Nematic Order Parameter

3.7.2 Screw-Like Nematic Order Parameter

3.7.3 Smectic Order Parameter

3.7.4 Hexatic Order Parameter

3.7.5 Parallel and Perpendicular Pair Correlation Functions

3.8 The Physical Origin of Cholesteric and Screw-Like Order

3.9 The Phase Diagram of Hard Helices

3.9.1 The Equation of State

3.9.2 Phase Diagrams in the Volume Fraction-Pitch Plane

3.9.2.1 Phase Diagram for r=0.1

3.9.2.2 Phase Diagram for r=0.2

3.9.2.3 Phase Diagram for r=0.4

3.10 Helical (Bio)Polymers and Colloidal Particles

3.11 Conclusions and Perspectives

Acknowledgments

References

Chapter 4 Self-Consistent Field Theory of Self-Assembling Multiblock Copolymers

4.1 Introduction

4.2 Theoretical Framework: Self-Consistent Field Theory of Block Copolymers

4.3 Numerical Methods of SCFT

4.3.1 Reciprocal-Space Method

4.3.2 Real-Space Method

4.3.3 Pseudo-Spectral Method

4.3.4 Fourth-Order Pseudo-Spectral Method

4.4 Application of SCFT to Multiblock Copolymers

4.5 Conclusions and Discussions

Acknowledgments

References

Chapter 5 Simulation Models of Soft Janus and Patchy Particles

5.1 Introduction

5.2 Soft Janus Particle Models

5.2.1 Soft One-Patch Janus Particle Model

5.2.2 Soft ABA-Type Triblock Janus Particle Model

5.2.3 Soft BAB-Type Triblock Janus Particle Model

5.2.4 Integration Algorithm

5.3 Soft Patchy Particle Models

5.3.1 The Model

5.3.2 Integration Algorithm

5.4 Physical Meanings of the Simulation Parameters in Our Models

5.5 GPU Acceleration

5.6 Self-Assembly of Soft Janus and Patchy Particles

5.6.1 Self-Assembly of Soft One-Patch Janus Particles

5.6.2 The Role of Particle Softness in Self-Assembling Different Supracolloidal Helices

5.6.3 Self-Assembly of Soft ABA-Type Triblock Janus Particles

5.6.4 Template-Free Fabrication of Two-Dimensional Exotic Nanostructures through the Self-Assembly of Soft BAB-Type Triblock Janus Particles

5.6.5 Self-Assembly of Soft Multi-Patch Particles

5.7 Conclusions

Acknowledgments

References

Chapter 6 Molecular Models for Hepatitis B Virus Capsid Formation, Maturation, and Envelopment

6.1 Introduction

6.2 Molecular Thermodynamics of Capsid Formation

6.2.1 Energetics of Viral Assembly

6.2.1.1 Rigid Capsids

6.2.1.2 Nucleocapsids

6.2.2 Thermodynamics of Capsid Formation and Stability

6.2.2.1 Stability of CTD-Free Empty Capsids

6.2.2.2 Stability of Nucleocapsids

6.2.3 Modulation Effects

6.2.4 T3/T4 Dimorphism

6.3 Electrostatics of Genome Packaging

6.3.1 Thermodynamics of RNA Encapsidation

6.3.2 The Optimal Genome Size of an HBV Nucleocapsid

6.3.3 Charge Balance between Packaged RNA and CTD Tails

6.4 Dynamic Structure of HBV Nucleocapsids

6.4.1 Structure of WT and Mutant Nucleocapsids

6.4.2 The Location of CTD Residues

6.4.3 Implication of the CTD Exposure

6.4.4 The Effect of Phosphorylation of Capsid Structure

6.5 Capsid Envelopment with Surface Proteins

6.6 Summary and Outlook

Acknowledgments

References

Chapter 7 Simulation Studies of Metal-Ligand Self-Assembly

7.1 Introduction

7.2 Modeling Metal-Ligand Self-Assembly

7.2.1 Modeling Metals, Ligands and their Interactions

7.2.2 Modeling Solvents

7.2.3 Computational Methods

7.3 Self-Assembly of Supramolecular Coordination Complex

7.3.1 Self-Assembly of M6L8 Spherical Complex

7.3.2 Self-Assembly of M12L24 Spherical Complex

7.4 Self-Assembly of Metal-Organic Frameworks

7.4.1 Self-Assembly of 2D-Like MOF

7.4.2 Self-Assembly of 3D-Like MOF

7.5 Conclusion and Outlook

Acknowledgments

References

Chapter 8 Simulations of Cell Uptake of Nanoparticles: Membrane-Mediated Interaction, Internalization Pathways, and Cooperative Effect

8.1 Introduction

8.2 N-Varied DPD Technique

8.2.1 Traditional DPD Method

8.2.2 N-Varied DPD Method

8.3 The Interaction between NP and Membrane

8.3.1 Membrane-Mediated Interaction between NPs

8.3.2 Internalization Pathways of the NPs

8.3.2.1 NP Properties Affecting the NP-Membrane Interaction

8.3.2.2 The Effect of Membrane Properties on NP-Membrane Interaction

8.4 Cooperative Effect between NPs during Internalization

8.5 Conclusions

References

Chapter 9 Theories for Polymer Melts Consisting of Rod-Coil Polymers

9.1 Introduction

9.1.1 Rod-Coil Polymers and Recent Theoretical Progress

9.1.2 Basic Parameters

9.1.2.1 Molecular Parameters

9.1.2.2 Polymer-Melt Parameters

9.1.2.3 Other Parameters

9.2 Theoretical Models

9.2.1 The Ideal Rod-Coil Diblock Model

9.2.1.1 Comments

9.2.1.2 Formalism

9.2.2 The Lattice Model

9.2.2.1 Comments

9.2.2.2 Formalism

9.2.3 The Wormlike-wormlike diblock model

9.2.3.1 Comments

9.2.3.2 Formalism

9.2.3.3 Reduction to the Rod-Coil Problem

9.2.4 Numerical Algorithms

9.2.4.1 Comments

9.2.4.2 Lattice Sampling

9.2.4.3 Spectral Method

9.2.4.4 Pseudo-Spectral Method for GSC Propagator and Finite Difference for Rod Probability

9.2.4.5 Single-Chain Mean-Field Calculation

9.2.4.6 Finite Difference Method for a WLC Problem

9.2.4.7 Combined Finite Difference and Spherical Harmonics Expansion

9.2.4.8 Full Spectral Method for a WLC Problem

9.2.4.9 Pseudospectral Method for a WLC Problem

9.2.4.10 Pseudospectral Backward Differentiation Formula Method for a WLC Problem

9.3 Concluding Remarks

References

Chapter 10 Theoretical and Simulation Studies of Hierarchical Nanostructures Self-Assembled from Soft Matter Systems

10.1 Introduction

10.2 Computational Modeling and Methods

10.2.1 Particle-Based Methods

10.2.2 Field-Based Methods

10.3 Hierarchical Nanostructures of Block Copolymer Melts

10.3.1 Hierarchical Structures Self-Assembled from ABC Terpolymers

10.3.2 Hierarchical Patterns Self-Assembled from Multiblock Copolymers

10.3.3 Hierarchical Structures Self-Assembled from Supramolecular Polymers

10.4 Hierarchical Aggregates of Block Copolymer Solutions

10.4.1 Hierarchical Aggregates Self-Assembled from Block Copolymer Solutions

10.4.2 Multicompartment Aggregates Self-Assembled from Triblock Terpolymer Solutions

10.4.3 Multicompartment Aggregates Self-Assembled from Amphiphilic Copolymer Blends

10.4.3.1 Mixtures of Diblock Copolymers

10.4.3.2 Blends of Terpolymers and Copolymers

10.4.3.3 Blends of Distinct Terpolymers

10.4.3.4 Multicomponent Rigid Homopolymer/Rod-Coil Diblock Copolymer Systems

10.5 Hierarchically Ordered Nanocomposites Self-Assembled from Organic-Inorganic Systems

10.5.1 Hierarchical Self-Assembly of Block Copolymer/Nanoparticle Mixtures

10.5.2 Hierarchical Self-Assembly of Polymer/Nanoparticle/Solvent Systems

10.6 Conclusions and Perspectives

10.6.1 New Theoretical Insights

10.6.2 Horizontal Multiscale Modeling

10.6.3 Inverse Design Strategy

10.6.4 Element-Structure-Property Relationships

Acknowledgments

References

Chapter 11 Nucleation in Colloidal Systems: Theory and Simulation

11.1 Introduction

11.2 Theory of Nucleation

11.2.1 Free Energy Barrier

11.2.2 Kinetics of Nucleation

11.2.3 Equilibrium Distribution of Cluster Sizes

11.3 Order Parameter

11.4 Simulation Methods for Studying Nucleation

11.4.1 Brute Force Molecular Dynamics Simulations

11.4.2 Umbrella Sampling

11.4.3 Forward Flux Sampling

11.5 Crystal Nucleation of Hard Spheres: Debates and Progress

11.6 Two-Step Nucleation in Systems of Attractive Colloids

11.7 Nucleation of Anisotropic Colloids

11.8 Crystal Nucleation in Binary Mixtures

11.9 Concluding Remarks and Future Directions

Acknowledgments

References

Chapter 12 Atomistic and Coarse-Grained Simulation of Liquid Crystals

12.1 Introduction

12.2 Thermotropic Liquid Crystal

12.2.1 Fully Atomistic Simulation

12.2.2 Coarse-Grained Model

12.3 Discotic Liquid Crystals

12.4 Chromonic Liquid Crystals

12.5 Conclusion and Outlook

Acknowledgment

References

Index

Supplemental Images

EULA

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