1. Single Aerocolloidal Particle Instrumentation and Measurement.- 1. Introduction.- 1.1. Millikan's Balanced Drop Method.- 1.2. Limitations of the Millikan Oil Drop Experiment.- 2. Applications of Millikan's Method.- 2.1. Droplet Evaporation Measurements.- 2.2. Light-Scattering Measurements.- 2.3. Determination of Photo-Ionization Potentials.- 3. Electrostatic Balancing with Feedback Control.- 3.1. The Stability of the Electrostatic Balance.- 3.2. The Nonuniform Electric Field.- 3.3. Applications of the Electrostatic Balance.- 4. The Electrodynamic Balance.- 4.1. The Electric Field.- 4.2. Stability Characteristics.- 4.3. Applications of the Electrodynamic Balance.- 5. Other Particle Suspension Devices.- 5.1. Ion Containment.- 5.2. Magnetic Suspension.- 5.3. Optical Levitation.- 6. Summary.- References.- 2. Multilayer and Monolayer Adsorption from Liquid Mixtures of Nonelectrolytes on Solid Surfaces.- 1. General Considerations.- 1.1. Introduction.- 1.2. Fundamental Definitions and Ideas in Liquid Adsorption.- 1.3. Experimental Methods for Studying Liquid Adsorption.- 2. Monolayer Adsorption Model.- 2.1. Introductory Remarks.- 2.2. Classical Thermodynamics of Liquid Adsorption on Homogeneous Surfaces.- 2.3. Adsorption on Heterogeneous Surfaces.- 2.4. Statistical Thermodynamics of Monolayer Liquid Adsorption.- 2.5. Criticism of the Monolayer Adsorption Model.- 3. Multilayer Adsorption Model.- 3.1. Simple Methods for Evaluating the Multilayer Effects in Liquid Adsorption.- 3.2. Relationships for Multilayer Adsorption Obtained from the General Mass-Balance Equation.- 3.3. Quasi-Chemical Model of Multilayer Adsorption.- 3.4. Statistical Thermodynamics of Multilayer Adsorption.- 4. Adsorption from Dilute Solutions.- 4.1. Fundamental Equations Describing Adsorption from Dilute Solutions.- 4.2. Studies of Adsorption from Dilute Solutions by Liquid Adsorption Chromatography.- List of Symbols.- References.- 3. Colloid and Surface Phenomena in Immunology.- 1. The Humoral and Cló%