Lower Energy Excitation of Water Soluble Near‐Infrared Emitting Mixed‐Ligand Metallacrowns

Author:

Nguyen Tu N.12ORCID,Eliseeva Svetlana V.3ORCID,Martinić Ivana3,Carver Peggy L.4,Lathion Timothée1,Petoud Stéphane3ORCID,Pecoraro Vincent L.1ORCID

Affiliation:

1. Department of Chemistry Willard H. Dow Laboratories University of Michigan Ann Arbor Michigan 48109 USA

2. Helen Scientific Research and Technological Development Co. Ltd Ho Chi Minh City Vietnam

3. Centre de Biophysique Moléculaire CNRS UPR 4301 Rue Charles Sadron 45071 Orléans Cedex 2 France

4. College of Pharmacy and Michigan Medicine University of Michigan Ann Arbor Michigan 48109 USA

Abstract

AbstractBy combining advantages of two series of lanthanide(III)/zinc(II) metallacrowns (MCs) assembled using pyrazine‐ (pyzHA2−) and quinoxaline‐ (quinoHA2−) hydroximate building blocks ligands, we created here water‐soluble mixed‐ligand MCs with extended absorption to the visible range. The YbIII analogue demonstrated improved photophysical properties in the near‐infrared (NIR) range in cell culture media, facilitating its application for NIR optical imaging in living HeLa cells.

Funder

National Science Foundation

Ligue Contre le Cancer

Cancéropôle Grand Ouest

Publisher

Wiley

Subject

General Chemistry,Catalysis,Organic Chemistry

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