Abstract
Abstract It is well known that zinc ions play an indispensable role in the structure and function of a large number of biological process and relevant bio-macromolecules. When some cancers occurred, the relevant concentration of zinc ions considerably decreased. Since cancer cells have a completely different redox homeostasis from normal cells, in this contribution, we have explored the possibility of bio-imaging or labeling of cancer cells through the in situ biosynthesized zinc nanoclusters by cancerous cells. The results demonstrate that we can readily realize the in vivo fluorescent bio-imaging of cancer cells through the in situ biosynthesis of the biocompatible zinc nanoclusters from cancerous cells ( i.e. , Hela cervical carcinoma cell line and others) when target cells cultured with micromolar zinc gluconate solutions.
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