👉 Isolation is a scientific method used to study and understand the structure, composition, or function of living organisms. It involves isolating an organism from its environment and studying it in detail without introducing any other organisms into the sample. In the context of microbiology, isolation refers to the process of collecting a sample of bacteria or microorganisms for analysis by culture methods such as selective培养法 (Fermenting) or agarose凝胶电泳法(Agarose gel electrophoresis