Issue 3, 2021

Nanocarriers used as probes for super-resolution microscopy

Abstract

Super-resolution microscopy (SRM) has revolutionized the study of cell biology, enabling researchers to visualize cellular structures with nanometric resolution, single-molecule sensitivity, and with multiple colors using conventional fluorophores. SRM is well-suited for volumetric live-cell imaging and helps in extracting quantitative information on spatial distributions. It can be used to estimate the absolute numbers of proteins or other macromolecules or nanostructured material within subcellular compartments, characterize their structures, and their nano/bio interactions. Although a number of recent general reviews on SRM have elaborated its role in chemical and clinical biology, as well as nanomedicine, herein, we provide an overview of the use of luminescent nanocarriers (LNC) in SRM imaging and single-molecule tracking. The role of LNCs in controlling the brightness and stability of emissive states is discussed with a special focus on organelle-specific delivery and how this approach can be utilized to produce novel optical-switched systems. We also discuss the challenges related to the molecular targeting of such material in biological systems. In doing so, we will provide practical guidance for super-resolution imaging in nanomedicine research, its technical challenges, and the opportunities for future advancement.

Graphical abstract: Nanocarriers used as probes for super-resolution microscopy

Article information

Article type
Review Article
Submitted
08 Sept. 2020
Accepted
10 Nov. 2020
First published
10 Nov. 2020
This article is Open Access
Creative Commons BY-NC license

Mater. Chem. Front., 2021,5, 1268-1282

Nanocarriers used as probes for super-resolution microscopy

S. Sreedharan, R. Tiwari, D. Tyde, S. O. Aderinto, S. K. Pramanik, A. Das and J. A. Thomas, Mater. Chem. Front., 2021, 5, 1268 DOI: 10.1039/D0QM00684J

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