The nanocrystals are quantum dots and semiconductors in aqueous solution. They have been responsible for a large volume of research, either within the basic science and which can be applied in diverse fields such as luminescent probe, among them biotechnology. The field of these quantum dots methodologies is the first and fundamental step for future applications as biomarkers in biological systems in vitro and in vivo, due to advantages over organic fluorophores. This article aims to conduct a review of biological markers nanocrystals and their importance in biological research.
nanocrystals; quantum dots; biomarkers; fluorescence