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Ramezani P, De Smedt SC, Sauvage F. Supramolecular dye nanoassemblies for advanced diagnostics and therapies. Bioeng Transl Med 2024; 9:e10652. [PMID: 39036081 PMCID: PMC11256156 DOI: 10.1002/btm2.10652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 01/09/2024] [Accepted: 01/19/2024] [Indexed: 07/23/2024] Open
Abstract
Dyes have conventionally been used in medicine for staining cells, tissues, and organelles. Since these compounds are also known as photosensitizers (PSs) which exhibit photoresponsivity upon photon illumination, there is a high desire towards formulating these molecules into nanoparticles (NPs) to achieve improved delivery efficiency and enhanced stability for novel imaging and therapeutic applications. Furthermore, it has been shown that some of the photophysical properties of these molecules can be altered upon NP formation thereby playing a major role in the outcome of their application. In this review, we primarily focus on introducing dye categories, their formulation strategies and how these strategies affect their photophysical properties in the context of photothermal and non-photothermal applications. More specifically, the most recent progress showing the potential of dye supramolecular assemblies in modalities such as photoacoustic and fluorescence imaging, photothermal and photodynamic therapies as well as their employment in photoablation as a novel modality will be outlined. Aside from their photophysical activity, we delve shortly into the emerging application of dyes as drug stabilizing agents where these molecules are used together with aggregator molecules to form stable nanoparticles.
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Affiliation(s)
- Pouria Ramezani
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences Ghent University Ghent Belgium
| | - Stefaan C De Smedt
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences Ghent University Ghent Belgium
| | - Félix Sauvage
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences Ghent University Ghent Belgium
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Sarasiya S, Sarasiya S, Henary M. Exploration of NIR Squaraine Contrast Agents Containing Various Heterocycles: Synthesis, Optical Properties and Applications. Pharmaceuticals (Basel) 2023; 16:1299. [PMID: 37765108 PMCID: PMC10534371 DOI: 10.3390/ph16091299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 08/22/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Squaraine dye is a popular class of contrast near-infrared (NIR) dyes. Squaraine dyes have shown the ability to be modified with various heterocycles. The indole moiety is the most notable heterocycle incorporated in squaraine dyes. A tremendous amount of work has gone into developing indole-based squaraine dyes and determining their applications. The optical properties of squaraine dyes containing an indole moiety facilitate high quantum yields and molar absorptivity, but the absorbance maxima is capped near 700 nm. This is the major limitation of indole-based squaraine dyes. In comparison, other heterocycles with larger conjugated systems such as quinoline and perimidine have demonstrated promising optical properties and immense potential for modifications, albeit with limited development. Quinoline- and perimidine-based squaraine dyes have molar extinction coefficients over 100,000 M-1 cm-1 and absorbances over 800 nm. This report will look at indole-, quinoline-, and perimidine-based squaraine dyes. Due to the sheer number of reported dyes, the search for indole-based squaraine dyes has been limited to reports from the past five years (2018-2023). For quinoline- and perimidine-based squaraine dyes, a holistic search was performed to analyze the optical properties and applications, due to the abovementioned limitation. This report will evaluate the three different classes of squaraines: indole-, quinoline-, and perimidine-based, to evaluate their optical properties and applications, with the goal of encouraging the exploration of other heterocycles for use in squaraine dyes.
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Affiliation(s)
- Shahir Sarasiya
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA; (S.S.); (S.S.)
- Center of Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Sara Sarasiya
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA; (S.S.); (S.S.)
| | - Maged Henary
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA; (S.S.); (S.S.)
- Center of Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
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3
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Li Y, Chen Q, Pan X, Lu W, Zhang J. New insight into the application of fluorescence platforms in tumor diagnosis: From chemical basis to clinical application. Med Res Rev 2022; 43:570-613. [PMID: 36420715 DOI: 10.1002/med.21932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 09/22/2022] [Accepted: 11/04/2022] [Indexed: 11/27/2022]
Abstract
Early and rapid diagnosis of tumors is essential for clinical treatment or management. In contrast to conventional means, bioimaging has the potential to accurately locate and diagnose tumors at an early stage. Fluorescent probe has been developed as an ideal tool to visualize tumor sites and to detect biological molecules which provides a requirement for noninvasive, real-time, precise, and specific visualization of structures and complex biochemical processes in vivo. Rencently, the development of synthetic organic chemistry and new materials have facilitated the development of near-infrared small molecular sensing platforms and nanoimaging platforms. This provides a competitive tool for various fields of bioimaging such as biological structure and function imaging, disease diagnosis, in situ at the in vivo level, and real-time dynamic imaging. This review systematically focused on the recent progress of small molecular near-infrared fluorescent probes and nano-fluorescent probes as new biomedical imaging tools in the past 3-5 years, and it covers the application of tumor biomarker sensing, tumor microenvironment imaging, and tumor vascular imaging, intraoperative guidance and as an integrated platform for diagnosis, aiming to provide guidance for researchers to design and develop future biomedical diagnostic tools.
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Affiliation(s)
- Yanchen Li
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center Xi'an Jiaotong University Xi'an China
| | - Qinhua Chen
- Department of Pharmacy Shenzhen Baoan Authentic TCM Therapy Hospital Shenzhen China
| | - Xiaoyan Pan
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center Xi'an Jiaotong University Xi'an China
| | - Wen Lu
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center Xi'an Jiaotong University Xi'an China
| | - Jie Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center Xi'an Jiaotong University Xi'an China
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Somashekharappa GM, Paul M, Govind C, Mathew R, Karunakaran V. Ultrafast Intermolecular Interaction Dynamics between NIR-Absorbing Unsymmetrical Squaraines and PCBM: Effects of Halogen Substitution. J Phys Chem B 2022; 126:4509-4519. [PMID: 35679578 DOI: 10.1021/acs.jpcb.1c10840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Among near-infrared (NIR) dyes, squaraine derivatives are applied as efficient sensitizers in optoelectronic and biomedical devices due to their simple synthesis, intense absorption, and emission and exceptional photochemical stability. The fundamental understanding of the structure-property relationships of sensitizers provides the insight to increase the efficiency of such devices. Here, unsymmetrical squaraine derivatives (ABSQs) with donor-acceptor-donor (D-A-D') architectures having N,N-dimethyl amino anthracene and benzothiazole (ABSQ-H) halogenated with fluoride (ABSQ-F), chloride (ABSQ-Cl), and bromide (ABSQ-Br) were synthesized to understand the effect of halogen on the photophysical properties and intermolecular interaction dynamics with phenyl-C61-butyric acid methyl ester (PCBM), which is used widely as an electron acceptor in bulk heterojunction-based devices. Interestingly, ABSQ-H exhibited intense absorption (ε ∼ 6.72 × 104 M-1 cm-1) spectra centered at ∼660 nm. Upon halogen substitution, a bathochromic shift in the absorption spectra with an increase of molar absorptivity was observed (ε ∼ 8.59 × 104 M-1 cm-1), which is beneficial for NIR light harvesting. The femtosecond transient absorption spectra of ABSQs revealed that the polarity of the solvent controlled the excited-state relaxation dynamics. Upon addition of PCBM, the fluorescence intensity and dynamics of halogenated ABSQs were quenched, and the formation of a squaraine radical cation was observed, reflecting the occurrence of intermolecular charge-transfer dynamics between ABSQs and PCBM. Thus, the observation of a bathochromic shift with intense absorption and an efficient intermolecular interaction with PCBM upon halogenation of ABSQs provide a design strategy for the development of unsymmetrical squaraine derivatives for bulk heterojunction-based optoelectronic devices.
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Affiliation(s)
- Guruprasad M Somashekharappa
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Megha Paul
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Chinju Govind
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ranimol Mathew
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Venugopal Karunakaran
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Gomes VSD, Ferreira JCC, Boto REF, Almeida P, Fernandes JR, Sousa MJ, Gonçalves MST, Reis LV. Squaraine Dyes Derived from Indolenine and Benzo[e]indole as Potential Fluorescent Probes for HSA Detection and Antifungal Agents. Photochem Photobiol 2022; 98:1402-1417. [PMID: 35348226 DOI: 10.1111/php.13624] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/03/2022] [Accepted: 03/23/2022] [Indexed: 11/26/2022]
Abstract
Four squaraine dyes derived from 2,3,3-trimethylindolenine and 1,1,2-trimethyl-1H-benzo[e]indole with different combinations of barbituric groups attach to the central ring, having ester groups and alkyl chains in the nitrogen atoms of heterocyclic rings were synthesized. These dyes were fully characterized and their photophysical behavior was studied in ethanol and phosphate-buffered saline solution. Absorption and emission bands between 631 and 712 nm were detected, with the formation of aggregates in aqueous media, which is typical of this class of dyes. Tests carried out with 1,3-diphenylisobenzofuran allowed us to verify the ability of the dyes to produce singlet oxygen. The interaction of synthesized dyes with human serum albumin (HSA) was also evaluated, being demonstrated a linear correlation between fluorescence intensity and protein concentration. The antifungal potential of the dyes against the yeast Saccharomyces cerevisiae was evaluated using a broth microdilution assay. In order to test the photosensitizing capacity of the synthesized dyes, tests were carried out in the dark and with irradiation, using a custom-built light-emitting diode that emits close to the absorption wavelength of the studied dyes. The results showed that the interaction of dyes with HSA and the antifungal activity depends on the different structural modifications of the dyes.
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Affiliation(s)
- Vanessa S D Gomes
- Centre of Chemistry-Vila Real (CQ-VR)/Department of Chemistry, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Centre of Chemistry (CQ-UM)/Department of Chemistry, University of Minho, Braga, Portugal
| | - João C C Ferreira
- Centre of Chemistry (CQ-UM)/Department of Chemistry, University of Minho, Braga, Portugal
- Centre of Molecular and Environmental Biology (CBMA)/Department of Biology, University of Minho, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IBS), University of Minho, Braga, Portugal
| | - Renato E F Boto
- Health Sciences Research Centre (CICS-UBI)/Department of Chemistry, University of Beira Interior, Covilhã, Portugal
| | - Paulo Almeida
- Health Sciences Research Centre (CICS-UBI)/Department of Chemistry, University of Beira Interior, Covilhã, Portugal
| | - Jose R Fernandes
- Centre of Chemistry-Vila Real (CQ-VR)/Department of Chemistry, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Physical Department, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Maria João Sousa
- Centre of Molecular and Environmental Biology (CBMA)/Department of Biology, University of Minho, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IBS), University of Minho, Braga, Portugal
| | - M Sameiro T Gonçalves
- Centre of Chemistry (CQ-UM)/Department of Chemistry, University of Minho, Braga, Portugal
| | - Lucinda V Reis
- Centre of Chemistry-Vila Real (CQ-VR)/Department of Chemistry, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
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Giacoletto N, Ibrahim-Ouali M, Dumur F. Recent advances on squaraine-based photoinitiators of polymerization. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110427] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Gomes VS, Gonçalves HM, Boto RE, Almeida P, Reis LV. Barbiturate squaraine dyes as fluorescent probes for serum albumins detection. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112710] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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