Chemical biology is a steadily growing field that has traditionally struggled to clearly define its boundaries in a short sentence. However, it can be stated that through the development of chemical and physicochemical tools, concepts and methods, chemical biology aims to address or stimulate biological questions at the molecular level in living organisms. Chemical biologists design and develop molecular tools that can probe or modulate biological processes, in order to understand their function, and sometimes to modify it for specific applications, but also to observe and analyze these tools in complex biological environments. Essentially positioned as a fundamental approach, chemical biology often remains very close to potential applications as it builds molecular objects capable of reacting to a significant biological stimulus. Chemical biology therefore finds natural development in fields such as health for the design of drugs and diagnostic systems or the environment for applications in crop science and ecology.
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