Advanced Nanotools for Imaging of Solid Tumors and Circulating and Disseminated Cancer Cells


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Abstract

Semiconductor quantum dots (QDs) are characterized by orders of magnitude higher multiphoton linear absorption cross-sections compared with conventional organic dyes. Combined with the QD photoluminescence quantum yield approaching 100% and their rock-solid photostability, this fact opens great prospects for the two-photon functional tumor imaging with QDs tagged with highly specific recognition molecules. Single-domain antibodies (sdAbs) or “nanobodies” derived from lamas are the smallest high-affinity recognition molecules, which may be tagged with the QDs thus permitting not only solid tumors multiphoton imaging but also rare disseminated cancer cells and micrometastases in the depth of the tissue to be detected.

About the authors

F. Ramos-Gomes

Translational Molecular Imaging Unit, Max Planck Institute for Experimental Medicine

Email: igor.nabiev@univ-reims.fr
Germany, Göttingen, 37075

F. Alves

Translational Molecular Imaging Unit, Max Planck Institute for Experimental Medicine; Clinic of Haematology and Medical Oncology, University Medical Center Göttingen

Email: igor.nabiev@univ-reims.fr
Germany, Göttingen, 37075; Göttingen, 37075

P. Chames

Aix Marseille University, CNRS, INSERM, Institut Paoli-Calmettes,
Centre de Recherche Contre le Cancer de Marseille (CRCM)

Email: igor.nabiev@univ-reims.fr
France, Marseille, 13009

D. Baty

Aix Marseille University, CNRS, INSERM, Institut Paoli-Calmettes,
Centre de Recherche Contre le Cancer de Marseille (CRCM)

Email: igor.nabiev@univ-reims.fr
France, Marseille, 13009

I. Nabiev

Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI
(Moscow Engineering Physics Institute); Laboratoire de Recherche en Nanosciences, LRN-EA4682, Ulniversité de Reims Champagne-Ardenne

Author for correspondence.
Email: igor.nabiev@univ-reims.fr
Russian Federation, Moscow, 115409; Reims, 51100

A. Sukhanova

Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI
(Moscow Engineering Physics Institute); Laboratoire de Recherche en Nanosciences, LRN-EA4682, Ulniversité de Reims Champagne-Ardenne

Email: igor.nabiev@univ-reims.fr
Russian Federation, Moscow, 115409; Reims, 51100

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