Conjugated Polymers for Bioimaging Applications

A special issue of Electronic Materials (ISSN 2673-3978).

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 4542

Special Issue Editor


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Guest Editor
National Hellenic Research Foundation (NHRF), 48 Vassileos Constantinou Avenue, 11635 Athens, Greece
Interests: conjugated polymers; organic electronics; bioimaging; cancer theranostics; organic photovoltaics

Special Issue Information

Dear Colleagues,

I am guest editing a Special Issue titled "Conjugated Polymers for Bioimaging Applications". In this Issue, I would like to present new results on the synthesis, preparation, physicochemical properties, and bioimaging applications of ultraviolet, visible, and near infrared (NIR) π-conjugated polymers, especially in the form of aqueous nanoparticles, the so-called conjugated polymer nanoparticles (CPNs), which have emerged as horizon nanomaterials for optical imaging. Special attention will be focussed on two aspects. The first aspect will cover the synthesis of new NIR conjugated polymers, along with new strategies to impart colloidal stability in water, such as nanoprecipitation, encapsulation, and functionalization, with hydrophilic groups, as well as their structural determination. The second aspect will cover new results on their in vitro and in vivo characterization as optical contrast agents, upon laser excitation, for optical imaging (fluorescence or photoacoustic response) in the ultraviolet, visible, and near infrared (700–1500 nm) wavelength parts of the electromagnetic spectrum.

Dr. Christos Chochos
Guest Editor

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Keywords

  • π-conjugated polymers
  • bioimaging
  • fluorescence
  • photoacoustic
  • nanoparticles

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Published Papers (1 paper)

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Research

15 pages, 3491 KiB  
Article
Far-Red to Near Infrared Emissive Aqueous Nanoparticles Based on a New Organic Material with Three BODIPY Dyes at the Periphery of the Core: A Combined Experimental and Theoretical Study
by Benedetta M. Squeo, Aggelos Avramopoulos, Alkmini D. Nega, Aristea Pavlou, Michael G. Siskos, Panagiota Koralli, Andriana Schiza, Antonia Dimitrakopoulou-Strauss, Vasilis G. Gregoriou and Christos L. Chochos
Electron. Mater. 2021, 2(1), 24-38; https://doi.org/10.3390/electronicmat2010003 - 18 Jan 2021
Cited by 1 | Viewed by 3948
Abstract
A new organic material with three 4,4-difluoro-4-borata-3a-azonia-4a-aza-s-indacene dyes (BODIPYs) at the periphery of the central core is successfully synthesized (3BDP3T) and its corresponding aqueous nanoparticles are prepared via the encapsulation approach and characterized in detail both experimentally and theoretically with the [...] Read more.
A new organic material with three 4,4-difluoro-4-borata-3a-azonia-4a-aza-s-indacene dyes (BODIPYs) at the periphery of the central core is successfully synthesized (3BDP3T) and its corresponding aqueous nanoparticles are prepared via the encapsulation approach and characterized in detail both experimentally and theoretically with the aid of the Density Functional Theory (DFT). The linear and non-linear optical properties of the synthesized material are also studied. Until now, the development of organic materials with three BODIPYs as substituents is limited and their properties are not fully resolved. The obtained 3BDP3T-based nanoparticles exhibit far-red and near infrared (NIR) emission with photoluminescence quantum yields of 0.021, which is promising as a new fluorescent contrast agent in the far-red and NIR spectral regions. Full article
(This article belongs to the Special Issue Conjugated Polymers for Bioimaging Applications)
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