Preface Chapter 1 Introduction 1.1 History of immunology and immunological techniques 1.1.1 The empirical period of immunology 1.1.2 The period of classical immunology 1.1.3 The period of early modern immunology 1.1.4 The period of modern immunology 1.2 The extensive application of immunological techniques 1.2.1 Immunology and medicine 1.2.2 Immunology and biology 1.2.3 Immunology and the development of biotechnology 1.3 Present situation and prospects of immunology 1.3.1 The in-depth development of immunology at molecule level 1.3.2 The interaction of immune system and neuroendocrine system 1.3.3 The infiltration of immunology into biology,basic medicine,clinical medicine and preventive medicine 1.3.4 The applied research of immunology promoted the development of biotechnology References Chapter 2 The Basic Principles of Antigen-antibody Reaction Chapter 3 Fabrication and Purification of Antibodies Chapter 4 Antibody Engineering Chapter 5 Labelled Immunoassay Technique Chapter 6 Time-Resolved Fluorescence Immunoassay Chapter 7 Molecular Immunology and Immunogenetics一 Chapter 8 Immunoblotting Technique Chapter 9 Immunoelectron Microscopy Chapter 10 Pesticide Immunoassay Chapter 11 Immunoassay for Veterinary Drugs Chapter 12 Biological Toxin Immunoassay Chapter 13 Immunoassay for Other Residues Colored Figures