胶体又称胶状分散体是一种均匀混合物，在胶体中含有两种不同相态的物质，一种分散，另一种连续。分散的一部分是由微小的粒子或液滴所组成，大小介于1到100纳米之间，且几乎遍布在整个连续相态中。

本书则介绍了有关胶体及微流体的一些前沿研究内容，展示了最新的微、纳米水平上的实验和观察方法，有助于读者学习如何分析材料微观结构对宏观物理规律影响的现代研究方法。

本书介绍了有关胶体及微流体的一些前沿研究内容，展示了最新的微、纳米水平上的实验和观察方法，有助于读者学习如何分析材料微观结构对宏观物理规律影响的现代研究方法。该书在内容上分为两部分，第一部分是胶体及微流体基本规律；第二部分介绍生物胶体的保存方法。

Preface to the USTC Alumni's Series

Preface

Chapter 1 What Are Colloids?

　1.1 Colloids and the atoms: counting the atoms

　1.2 Micro-rheology Probe the material properties at microscopic level

　1.3 Laser tweezers--Apply external force to nanoparticles

　1.4 Colloids

　　1.4.1 Miniature of the physical world and tangible .models of the atomic world

　　1.4 2 lnteligent colloids

Chapter 2 Colloids and Phase Transitions

 2.1 The hard sphere model

　　2.1.1 The van der Waals picture of fluids

　　2.1.2 Close packing of spheres as the principle of crystal structure

　　2.1 3 Hard sphere model for disorder-order transit'ion

　2.2 Model colloidal hard sphere systems

　　2 2.1 Minimizing van der Waals interaction by refractive index matching

　　2 2.2 Stabilization

　　2.2.3 Model Colloidal Hard Spheres

　2.3 Properties of hard sphere dispersions

　　2.3.1 Phase behavior

　　2.3.2 Equation of state continuing Perrin's measurement at higher 　concentrations)

2.3.3 Rheology of the fluid and metastable fluid states

2.3.4 Crystal structures

2.3.5 Crystallization kinetics

 2.4 Colloids in space

2.4.1 Surprising observations

2.4.2 Crystallization kinetics

 2.5 Confocal Imaging: Catch the critical nucleus

 2.6 How well do we understand nucleation?

 2.7 Applications of colloidal crystals

 2.8 Single crystal growth in a temperature gradient

Chapter 3 Microfluidics

 3.1 Make emulsions drop by drop

 3.2 Emulsion crystallization to measure the nucleation rate of colloidal crystallization

 3.3 Living cell encapsulation

3.3.1 Colloidosomes

3.3.2 Layer by layer coating

3.3.3 Agarose droplets generation

3.3.4 Yeast cell encapsulation

3 3.5 Tailor the transport property of the microencapsules by LbL coating

　　3.3.6 Enhancement of the mechanical stability of the microencapsules by hand-particle coating (Colloidosomes)

　3.4 Cell manipulation by microfluidics

Chapter 4 Biocoiloids

　4.1 Biocolloids

　4.2 The cell volume change before freezing

4.2.1 The equilibrium volume ofacell

　　4.2.2 The non-equilibrium volume of a cell

　4.3 The change of cell volume during cooling/freezing

　　4.3 1 Rapid cooling

　　4.3.2 Slow cooling

　　4.3.3 Optimal cooling

　　4.3 4 Modeling the volumetric response of a cell to freezing

　4.4 Other mechanisms of cryoinjury

4.4.1 Cryoinjury during the Storage Period

4.4.2 Cell injuries in the warming process

4.4.3 'Cold Stock' Injury

 4.5 Banking cells at their dried state

4.5.1 Brief History of Freeze Drying

4.5.2 Freeze-Drying Process and Its Control

4.5.3 Some cells having been dried

Reference