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Palanikumar L, Kalmouni M, Houhou T, Abdullah O, Ali L, Pasricha R, Straubinger R, Thomas S, Afzal AJ, Barrera FN, Magzoub M. pH-Responsive Upconversion Mesoporous Silica Nanospheres for Combined Multimodal Diagnostic Imaging and Targeted Photodynamic and Photothermal Cancer Therapy. ACS NANO 2023; 17:18979-18999. [PMID: 37702397 PMCID: PMC10569106 DOI: 10.1021/acsnano.3c04564] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/23/2023] [Indexed: 09/14/2023]
Abstract
Photodynamic therapy (PDT) and photothermal therapy (PTT) have gained considerable attention as potential alternatives to conventional cancer treatments. However, these approaches remain limited by low solubility, poor stability, and inefficient targeting of many common photosensitizers (PSs) and photothermal agents (PTAs). To overcome the aforementioned limitations, we engineered biocompatible and biodegradable tumor-targeted upconversion nanospheres with imaging capabilities. The multifunctional nanospheres consist of a sodium yttrium fluoride core doped with lanthanides (ytterbium, erbium, and gadolinium) and the PTA bismuth selenide (NaYF4:Yb/Er/Gd,Bi2Se3) enveloped in a mesoporous silica shell that encapsulates a PS, chlorin e6 (Ce6), within its pores. NaYF4:Yb/Er converts deeply penetrating near-infrared (NIR) light to visible light, which excites Ce6 to generate cytotoxic reactive oxygen species (ROS), while Bi2Se3 efficiently converts absorbed NIR light to heat. Additionally, Gd enables magnetic resonance imaging of the nanospheres. The mesoporous silica shell is coated with DPPC/cholesterol/DSPE-PEG to retain the encapsulated Ce6 and prevent serum protein adsorption and macrophage recognition that hinder tumor targeting. Finally, the coat is conjugated to the acidity-triggered rational membrane (ATRAM) peptide, which promotes specific and efficient internalization into malignant cells in the mildly acidic microenvironment of tumors. The nanospheres facilitated tumor magnetic resonance and thermal and fluorescence imaging and exhibited potent NIR laser light-induced anticancer effects in vitro and in vivo via combined ROS production and localized hyperthermia, with negligible toxicity to healthy tissue, hence markedly extending survival. Our results demonstrate that the ATRAM-functionalized, lipid/PEG-coated upconversion mesoporous silica nanospheres (ALUMSNs) offer multimodal diagnostic imaging and targeted combinatorial cancer therapy.
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Affiliation(s)
- L. Palanikumar
- Biology
Program, Division of Science, New York University
Abu Dhabi, P.O. Box 129188,
Saadiyat Island, Abu Dhabi, United
Arab Emirates
| | - Mona Kalmouni
- Biology
Program, Division of Science, New York University
Abu Dhabi, P.O. Box 129188,
Saadiyat Island, Abu Dhabi, United
Arab Emirates
| | - Tatiana Houhou
- Biology
Program, Division of Science, New York University
Abu Dhabi, P.O. Box 129188,
Saadiyat Island, Abu Dhabi, United
Arab Emirates
| | - Osama Abdullah
- Core
Technology Platforms, New York University
Abu Dhabi, P.O. Box 129188, Saadiyat
Island, Abu Dhabi, United Arab
Emirates
| | - Liaqat Ali
- Core
Technology Platforms, New York University
Abu Dhabi, P.O. Box 129188, Saadiyat
Island, Abu Dhabi, United Arab
Emirates
| | - Renu Pasricha
- Core
Technology Platforms, New York University
Abu Dhabi, P.O. Box 129188, Saadiyat
Island, Abu Dhabi, United Arab
Emirates
| | - Rainer Straubinger
- Core
Technology Platforms, New York University
Abu Dhabi, P.O. Box 129188, Saadiyat
Island, Abu Dhabi, United Arab
Emirates
| | - Sneha Thomas
- Core
Technology Platforms, New York University
Abu Dhabi, P.O. Box 129188, Saadiyat
Island, Abu Dhabi, United Arab
Emirates
| | - Ahmed Jawaad Afzal
- Biology
Program, Division of Science, New York University
Abu Dhabi, P.O. Box 129188,
Saadiyat Island, Abu Dhabi, United
Arab Emirates
| | - Francisco N. Barrera
- Department
of Biochemistry & Cellular and Molecular Biology, University of Tennessee Knoxville, Knoxville, Tennessee 37996, United States
| | - Mazin Magzoub
- Biology
Program, Division of Science, New York University
Abu Dhabi, P.O. Box 129188,
Saadiyat Island, Abu Dhabi, United
Arab Emirates
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Meng J, Lv Y, Bao W, Meng Z, Wang S, Wu Y, Li S, Jiao Z, Tian Z, Ma G, Wei W. Generation of whole tumor cell vaccine for on-demand manipulation of immune responses against cancer under near-infrared laser irradiation. Nat Commun 2023; 14:4505. [PMID: 37495590 PMCID: PMC10372023 DOI: 10.1038/s41467-023-40207-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 07/18/2023] [Indexed: 07/28/2023] Open
Abstract
The therapeutic efficacy of whole tumor cell vaccines (TCVs) is modest, which has delayed their translation into personalized immunotherapies in the clinic. Here, we develop a TCV platform based on photothermal nanoparticle-loaded tumor cells, which can be rationally applied to diverse tumor types to achieve on-demand boost of anti-tumor immune responses for inhibiting tumor growth. During the fabrication process, mild photothermal heating by near-infrared (NIR) laser irradiation induces the nanoparticle-bearing tumor cells to express heat shock proteins as endogenous adjuvants. After a single vaccination at the back of tumor-bearing mice, non-invasive NIR laser irradiation further induces mild hyperthermia at vaccination site, which promotes the recruitment, activation, and antigen presentation by dendritic cells. Using an indicator we term fluctuation of tumor growth rate, we determine appropriate irradiation regimens (including optimized irradiation intervals and times). This TCV platform enables on-demand NIR manipulation of immune responses, and we demonstrate potent therapeutic efficacy against six murine models that mimick a range of clinical scenarios, including a model based on humanized mice and patient-derived tumor xenografts.
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Affiliation(s)
- Jiaqi Meng
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yanlin Lv
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Weier Bao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zihui Meng
- Department of Hepatobiliary-Pancreatic Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, P. R. China
| | - Shuang Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yuanbin Wu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shuping Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zhouguang Jiao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zhiyuan Tian
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.
| | - Guanghui Ma
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.
| | - Wei Wei
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.
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Tian T, Fang Y, Wang W, Yang M, Tan Y, Xu C, Zhang S, Chen Y, Xu M, Cai B, Wu WQ. Durable organic nonlinear optical membranes for thermotolerant lightings and in vivo bioimaging. Nat Commun 2023; 14:4429. [PMID: 37481653 PMCID: PMC10363139 DOI: 10.1038/s41467-023-40168-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 07/14/2023] [Indexed: 07/24/2023] Open
Abstract
Organic nonlinear optical materials have potential in applications such as lightings and bioimaging, but tend to have low photoluminescent quantum yields and are prone to lose the nonlinear optical activity. Herein, we demonstrate to weave large-area, flexible organic nonlinear optical membranes composed of 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium tosylate@cyclodextrin host-guest supramolecular complex. These membranes exhibited a record high photoluminescence quantum yield of 73.5%, and could continuously emit orange luminescence even being heated at 300 °C, thus enabling the fabrication of thermotolerant light-emitting diodes. The nonlinear optical property of these membranes can be well-preserved even in polar environment. The supramolecular assemblies with multiphoton absorption characteristics were used for in vivo real-time imaging of Escherichia coli at 1000 nm excitation. These findings demonstrate to achieve scalable fabrication of organic nonlinear optical materials with high photoluminescence quantum yields, and good stability against thermal stress and polar environment for high-performance, durable optoelectronic devices and humanized multiphoton bio-probes.
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Affiliation(s)
- Tian Tian
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Yuxuan Fang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Wenhui Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Meifang Yang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Ying Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Chuan Xu
- Shanghai Key Lab of Modern Optical System, Ministry of Education, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Shuo Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Yuxin Chen
- Instrumental Analysis and Research Center, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Mingyi Xu
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China.
| | - Bin Cai
- Shanghai Key Lab of Modern Optical System, Ministry of Education, University of Shanghai for Science and Technology, Shanghai, 200093, China.
| | - Wu-Qiang Wu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, P. R. China.
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Alvarez-Venicio V, Castro-Beltrán R, Ramos-Ortiz G, Rodríguez M, Alba-Rosales JE, Gutiérrez-Juárez G, Santillán R, Ochoa ME, Flores-Villavicencio LL, Sabanero-López M. Red fluorescent benzothiadiazole derivative loaded in different nanoformulations: Optical properties and their use in bio-imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 290:122250. [PMID: 36566533 DOI: 10.1016/j.saa.2022.122250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/09/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Fluorophores with optimized nonlinear optical properties have become prominent as contrast labels in laser scanning microscopy (LSM). The purpose of this work is to report on a novel benzothiadiazole derivative, namely 4,7-bis(5-((9,9-dioctyl-9H-fluoren-2-yl)ethynyl)thiophen-2-yl)benzo[c][1,2,5]thiadiazole (EFBT) and its optical performance when it is loaded into organic nanostructures intended as labels for LSM. Four different nanostructured labels were prepared: i) EFBT-loaded silica nanoparticles (SiNPs); ii) folate-bioconjugated SiNPs (SiNPs-FA); iii) EFBT-loaded PEGylated nanoparticles (NPs-PEG); and iv) EFBT-loaded folate-terminated PEGylated nanoparticles (NPs-PEG-FA). All these nanostructures are reported through a comparative study of their linear and nonlinear optical properties, including their performance as exogenous label agents in the cervical cancer cell line HeLa. This assessment of the performance of a specific fluorophore loaded into different nanostructured matrices (labels), and fairly compared under the same characterization conditions, including the LSM settings, is less common while previous reports had focused in comparing silica and PEGylated nanoparticles but loaded with different fluorophores. The results show that the internal molecular organization into each type of organic nanostructure impacted differently the properties of EFBT, where the silica matrix tend to preserve the optical performance of the fluorophore by preventing intermolecular interactions; in contrast, PEGylated nanoparticles favored molecular interactions and introduced non-radiative decay channels that degrades drastically the optical performance. Nevertheless, the use of functionalized ends entities produced a better cellular label uptake with PEGylated that with silica nanoparticles. In overall, the NPs-PEG-FA label produced the best HeLa imaging.
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Affiliation(s)
- V Alvarez-Venicio
- Centro de Investigaciones en Óptica A.P. 1-948, 37000 León, Gto., Mexico
| | - R Castro-Beltrán
- Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato, Loma del Bosque 103, Lomas del Campestre, C.P. 37150, León, Guanajuato, México
| | - G Ramos-Ortiz
- Centro de Investigaciones en Óptica A.P. 1-948, 37000 León, Gto., Mexico.
| | - M Rodríguez
- Centro de Investigaciones en Óptica A.P. 1-948, 37000 León, Gto., Mexico.
| | - J E Alba-Rosales
- Centro de Investigaciones en Óptica A.P. 1-948, 37000 León, Gto., Mexico; Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato, Loma del Bosque 103, Lomas del Campestre, C.P. 37150, León, Guanajuato, México
| | - G Gutiérrez-Juárez
- Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato, Loma del Bosque 103, Lomas del Campestre, C.P. 37150, León, Guanajuato, México
| | - R Santillán
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, 07000, Apdo. Postal. 14-740, México D.F., Mexico
| | - M E Ochoa
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, 07000, Apdo. Postal. 14-740, México D.F., Mexico
| | - L L Flores-Villavicencio
- Departamento de Biología, División de Ciencias Naturales y Exactas, campus Guanajuato, Universidad de Guanajuato, Guanajuato 36050, Mexico
| | - M Sabanero-López
- Departamento de Biología, División de Ciencias Naturales y Exactas, campus Guanajuato, Universidad de Guanajuato, Guanajuato 36050, Mexico
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5
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Two-photon AIEgen based on dicyanoisophorone derivative: Synthesis, characterization and cells imaging. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Piwoński H, Nozue S, Habuchi S. The Pursuit of Shortwave Infrared-Emitting Nanoparticles with Bright Fluorescence through Molecular Design and Excited-State Engineering of Molecular Aggregates. ACS NANOSCIENCE AU 2022; 2:253-283. [PMID: 37102065 PMCID: PMC10125152 DOI: 10.1021/acsnanoscienceau.1c00038] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Shortwave infrared (SWIR) fluorescence detection gradually becomes a pivotal real-time imaging modality, allowing one to elucidate biological complexity in deep tissues with subcellular resolution. The key challenge for the further growth of this imaging modality is the design of new brighter biocompatible fluorescent probes. This review summarizes the recent progress in the development of organic-based nanomaterials with an emphasis on new strategies that extend the fluorescence wavelength from the near-infrared to the SWIR spectral range and amplify the fluorescence brightness. We first introduce the most representative molecular design strategies to obtain near-infrared-SWIR wavelength fluorescence emission from small organic molecules. We then discuss how the formation of nanoparticles based on small organic molecules contributes to the improvement of fluorescence brightness and the shift of fluorescence to SWIR, with a special emphasis on the excited-state engineering of molecular probes in an aggregate state and spatial packing of the molecules in nanoparticles. We build our discussion based on a historical perspective on the photophysics of molecular aggregates. We extend this discussion to nanoparticles made of conjugated polymers and discuss how fluorescence characteristics could be improved by molecular design and chain conformation of the polymer molecules in nanoparticles. We conclude the article with future directions necessary to expand this imaging modality to wider bioimaging applications including single-particle deep tissue imaging. Issues related to the characterization of SWIR fluorophores, including fluorescence quantum yield unification, are also mentioned.
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7
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Rajapakse RMG, Watkins DL, Ranathunge TA, Malikaramage AU, Gunarathna HMNP, Sandakelum L, Wylie S, Abewardana PGPR, Egodawele MGSAMEWDDK, Herath WHMRNK, Bandara SV, Strongin DR, Attanayake NH, Velauthapillai D, Horrocks BR. Implementing the donor-acceptor approach in electronically conducting copolymers via electropolymerization. RSC Adv 2022; 12:12089-12115. [PMID: 35481093 PMCID: PMC9019830 DOI: 10.1039/d2ra01176j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/05/2022] [Indexed: 12/31/2022] Open
Abstract
Electropolymerization has become a convenient method for synthesizing and characterizing complex organic copolymers having intrinsic electronic conductivity, including the donor (D)-acceptor (A) class of electronically conducting polymers (ECPs). This review begins with an introduction to the electrosynthesis of common second-generation ECPs. The information obtainable from electroanalytical studies, charge carriers such as polarons (positive and negative) and bipolarons (positive and negative) and doping will be discussed. The evolutionary chain of ECPs is then presented. ECPs comprising electron-rich D and electron-deficient A moieties have been shown to possess intrinsic electronic conductivity and unique optical and electronic properties. They are third generation ECPs and electropolymerization of mixtures of D and A leads to stoichiometrically controlled block copolymers. These D-A type ECPs are discussed on the basis of selected representative materials. Since the discovery of electropolymerization as a powerful tool to synthesize copolymers of conjugated monomers with a pre-determined ratio of D and A repeat units present in the polymer, the field of D-A type ECPs has grown considerably and the literature available since 2004 to 2021 is summarized and tabulated. Electronic and optical properties of the materials determined by computational chemistry are presented. The data obtained from electrochemical and optical methods are compared with those obtained from computational methods and reasons for discrepancies are given. The literature on the concept of electropolymerization extended to synthesizing triblock and many-block copolymers is reviewed. Finally, applications of D-A polymers in optoelectronic devices (organic solar cells and field-effect transistors) and in bio-imaging are explained quoting appropriate examples.
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Affiliation(s)
| | - Davita L Watkins
- Department of Chemistry, The University of Mississippi 322 Coulter Hall University MS USA
| | - Tharindu A Ranathunge
- Department of Chemistry, The University of Mississippi 322 Coulter Hall University MS USA
| | - A U Malikaramage
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | - H M N P Gunarathna
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | - Lahiru Sandakelum
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | - Shane Wylie
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | - P G P R Abewardana
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | | | - W H M R N K Herath
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | - Sanjaya V Bandara
- Department of Chemistry, University of Peradeniya Peradeniya 20400 Sri Lanka
| | - Daniel R Strongin
- Department of Chemistry, College of Science and Technology, Temple University 1901 N. 13th Street Philadelphia PA 19122-6081 USA
| | | | | | - Benjamin R Horrocks
- Department of Computer Science, Electrical Engineering and Mathematical Sciences, Western Norway University of Applied Sciences Bergen Kronstad D412 Norway
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Conjugated polymer nanoparticles and their nanohybrids as smart photoluminescent and photoresponsive material for biosensing, imaging, and theranostics. Mikrochim Acta 2022; 189:83. [PMID: 35118576 DOI: 10.1007/s00604-021-05153-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 12/13/2021] [Indexed: 02/06/2023]
Abstract
The emergence of conjugated polymers (CPs) has provided a pathway to attain smart multifunctional conjugated polymer nanoparticles (CPNs) with enhanced properties and diverse applications. CPNs based on π-extended CPs exhibit high fluorescence brightness, low cytotoxicity, excellent photostability, reactive oxygen species (ROS) generation ability, high photothermal conversion efficiency (PCE), etc. which endorse them as an excellent theranostic tool. Furthermore, the unique light-harvesting and energy transfer properties of CPNs enables their transformation into smart functional nanohybrids with augmented performance. Owing to such numerous features, simple preparation method and an easy separation process, the CPNs and their hybrids have been constantly rising as a frontrunner in the domain of medicine and much work has been done in the respective research area. This review summarizes the recent progress that has been made in the field of CPNs for biological and biomedical applications with special emphasis on biosensing, imaging, and theranostics. Following an introduction into the field, a first large section provides overview of the conventional as well as recently established synthetic methods for various types of CPNs. Then, the CPNs-based fluorometric assays for biomolecules based on different detection strategies have been described. Later on, examples of CPNs-based probes for imaging, both in vitro and in vivo using cancer cells and animal models have been explored. The next section highlighted the vital theranostic applications of CPNs and corresponding nanohybrids, mainly via imaging-guided photodynamic therapy (PDT), photothermal therapy (PTT) and drug delivery. The last section summarizes the current challenges and gives an outlook on the potential future trends on CPNs as advanced healthcare material.
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Li X, Bao W, Liu M, Meng J, Wang Z, Sun M, Zhang L, Tian Z. Polymeric micelles-based nanoagents enable phototriggering combined chemotherapy and photothermal therapy with high sensitivity. Biomater Sci 2022; 10:5520-5534. [DOI: 10.1039/d2bm00652a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new type of polymeric nanomicelles-based nanoagent (denoted as PT@MFH hereafter) capable of highly sensitively releasing chemotherapeutic drug paclitaxel (PTX) upon triggering of near-infrared laser was developed by encapsulating PTX...
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10
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Recent Progress in Near-Infrared Organic Electroluminescent Materials. Top Curr Chem (Cham) 2021; 380:6. [PMID: 34878603 DOI: 10.1007/s41061-021-00357-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 10/21/2021] [Indexed: 10/19/2022]
Abstract
Near-infrared (NIR) refers to the section of the spectrum from 650 to 2500 nm. NIR luminescent materials are widely employed in organic light-emitting diodes (OLEDs), fiber optic communication, sensing, biological detection, and medical imaging. This paper reviews organic NIR electroluminescent materials, including organic NIR electrofluorescent materials and organic NIR electrophosphorescent materials that have been investigated in the past 6 years. Small-molecule, polymer NIR fluorescent materials and platinum(II) and iridium(III) complex NIR phosphorescent materials are described, and the limitations of the development of NIR luminescent materials and future prospects are discussed.
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Zehra N, Tanwar AS, Khatun MN, Adil LR, Iyer PK. AIE active polymers for biological applications. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2021; 185:137-177. [PMID: 34782103 DOI: 10.1016/bs.pmbts.2021.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The discovery of aggregation-induced emission (AIE) phenomenon, significantly altered the understanding of the scientific world about the luminophore aggregation. Polymers with AIE features have recently emerged as promising materials with wide range of applications in optoelectronics devices, chemosensors, bioimaging, cancer theranostics and drug delivery. By introducing the AIE active molecule into the polymer structure, novel materials encompassing the characteristics properties of both the functional materials such as excellent brightness, versatile structure modification, high biocompatibility, exceptional stability and facile processability are achieved. This chapter presents the advances in synthetic design as well as potential biological applications of AIE active polymers, beginning with a brief introduction to the AIE phenomenon. The versatile synthetic route, easier functionalization, and light up feature of the AIE active polymers offer direct visualization of the physiological processes within or outside the living organisms. This chapter also precisely describes the photodynamic therapy/photothermal therapy (PDT/PTT) with up-to-date advancement of AIE active polymer and their emerging applications in biomedical field. The AIE active Photosensitizers (PSs) are much more efficient in singlet oxygen (1O2) production than their small molecule AIE active PSs due to their enhanced inter system crossing (ISC) process and improved light-harvesting ability. Additionally, the present chapter aims to focus on all recent AIE active polymers for drug screening and drug delivery. The AIE active polymer often shows decent drug loading capacity, high stability and good biocompatibility comprising image guided drug monitoring features. Lastly, the concluding discussion reveals the future prospective of the AIE active polymers.
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Affiliation(s)
- Nehal Zehra
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Arvin Sain Tanwar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Mst Nasima Khatun
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Laxmi Raman Adil
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Parameswar Krishnan Iyer
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India; Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam, India; School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, Assam, India.
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12
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Kiran P, Khan A, Neekhra S, Pallod S, Srivastava R. Nanohybrids as Protein-Polymer Conjugate Multimodal Therapeutics. FRONTIERS IN MEDICAL TECHNOLOGY 2021; 3:676025. [PMID: 35047929 PMCID: PMC8757875 DOI: 10.3389/fmedt.2021.676025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/21/2021] [Indexed: 12/12/2022] Open
Abstract
Protein therapeutic formulations are being widely explored as multifunctional nanotherapeutics. Challenges in ensuring susceptibility and efficacy of nanoformulation still prevail owing to various interactions with biological fluids before reaching the target site. Smart polymers with the capability of masking drugs, ease of chemical modification, and multi-stimuli responsiveness can assist controlled delivery. An active moiety like therapeutic protein has started to be known as an important biological formulation with a diverse medicinal prospect. The delivery of proteins and peptides with high target specificity has however been tedious, due to their tendency to aggregate formation in different environmental conditions. Proteins due to high chemical reactivity and poor bioavailability are being researched widely in the field of nanomedicine. Clinically, multiple nano-based formulations have been explored for delivering protein with different carrier systems. A biocompatible and non-toxic polymer-based delivery system serves to tailor the polymer or drug better. Polymers not only aid delivery to the target site but are also responsible for proper stearic orientation of proteins thus protecting them from internal hindrances. Polymers have been shown to conjugate with proteins through covalent linkage rendering stability and enhancing therapeutic efficacy prominently when dealing with the systemic route. Here, we present the recent developments in polymer-protein/drug-linked systems. We aim to address questions by assessing the properties of the conjugate system and optimized delivery approaches. Since thorough characterization is the key aspect for technology to enter into the market, correlating laboratory research with commercially available formulations will also be presented in this review. By examining characteristics including morphology, surface properties, and functionalization, we will expand different hybrid applications from a biomaterial stance applied in in vivo complex biological conditions. Further, we explore understanding related to design criteria and strategies for polymer-protein smart nanomedicines with their potential prophylactic theranostic applications. Overall, we intend to highlight protein-drug delivery through multifunctional smart polymers.
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Affiliation(s)
- Pallavi Kiran
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
| | - Amreen Khan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
- Center for Research in Nanotechnology and Science, Indian Institute of Technology Bombay, Mumbai, India
| | - Suditi Neekhra
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
| | - Shubham Pallod
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
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13
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Dong L, Peng HQ, Niu LY, Yang QZ. Modulation of Aggregation-Induced Emission by Excitation Energy Transfer: Design and Application. Top Curr Chem (Cham) 2021; 379:18. [PMID: 33825076 DOI: 10.1007/s41061-021-00330-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
Excitation energy transfer (EET) as a fundamental photophysical process is well-explored for developing functional materials with tunable photophysical properties. Compared to traditional fluorophores, aggregation-induced emission luminogens (AIEgens) exhibit unique advantages for building EET systems, especially serving as energy donors, due to their outstanding photophysical properties such as bright fluorescence in aggregation state, broad absorption and emission spectra, large Stokes shift, and high photobleaching resistance. In addition, the photophysical properties of AIEgens can be modulated by energy transfer for improved luminescence performance. Therefore, a variety of EET systems based on AIEgens have been constructed and their applications in different areas have been explored. In this review, we summarize recent progress in the design strategy of AIE-based energy transfer systems for light-harvesting, fluorescent probes and theranostic systems, with an emphasis on design strategies to achieve desirable properties. The limitations, challenges and future opportunities of AIE-EET systems are briefly outlined. Design strategies and applications (light-harvesting, fluorescent probe and theranostics) of AIEgen-based excitation energy systems are discussed in this review.
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Affiliation(s)
- Lei Dong
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Hui-Qing Peng
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Li-Ya Niu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Qing-Zheng Yang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
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14
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Choi G, Rejinold NS, Piao H, Choy JH. Inorganic-inorganic nanohybrids for drug delivery, imaging and photo-therapy: recent developments and future scope. Chem Sci 2021; 12:5044-5063. [PMID: 34168768 PMCID: PMC8179608 DOI: 10.1039/d0sc06724e] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/09/2021] [Indexed: 12/13/2022] Open
Abstract
Advanced nanotechnology has been emerging rapidly in terms of novel hybrid nanomaterials that have found various applications in day-to-day life for the betterment of the public. Specifically, gold, iron, silica, hydroxy apatite, and layered double hydroxide based nanohybrids have shown tremendous progress in biomedical applications, including bio-imaging, therapeutic delivery and photothermal/dynamic therapy. Moreover, recent progress in up-conversion nanohybrid materials is also notable because they have excellent NIR imaging capability along with therapeutic benefits which would be useful for treating deep-rooted tumor tissues. Our present review highlights recent developments in inorganic-inorganic nanohybrids, and their applications in bio-imaging, drug delivery, and photo-therapy. In addition, their future scope is also discussed in detail.
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Affiliation(s)
- Goeun Choi
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University Cheonan 31116 Republic of Korea
- College of Science and Technology, Dankook University Cheonan 31116 Republic of Korea
| | - N Sanoj Rejinold
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University Cheonan 31116 Republic of Korea
| | - Huiyan Piao
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University Cheonan 31116 Republic of Korea
| | - Jin-Ho Choy
- Intelligent Nanohybrid Materials Laboratory (INML), Institute of Tissue Regeneration Engineering (ITREN), Dankook University Cheonan 31116 Republic of Korea
- Department of Pre-medical Course, College of Medicine, Dankook University Cheonan 31116 Republic of Korea
- Tokyo Tech World Research Hub Initiative (WRHI), Institute of Innovative Research, Tokyo Institute of Technology Yokohama 226-8503 Japan
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15
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Lv Y, Li F, Wang S, Lu G, Bao W, Wang Y, Tian Z, Wei W, Ma G. Near-infrared light-triggered platelet arsenal for combined photothermal-immunotherapy against cancer. SCIENCE ADVANCES 2021; 7:eabd7614. [PMID: 33771861 PMCID: PMC7997510 DOI: 10.1126/sciadv.abd7614] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 02/08/2021] [Indexed: 05/04/2023]
Abstract
To address long-standing issues with tumor penetration and targeting among cancer therapeutics, we developed an anticancer platelet-based biomimetic formulation (N+R@PLTs), integrating photothermal nanoparticles (N) and immunostimulator (R) into platelets (PLTs). Exploiting the aggregative properties of platelets and high photothermal capacity, N+R@PLTs functioned as an arsenal by targeting defective tumor vascular endothelial cells, accumulating in a positive feedback aggregation cascade at sites of acute vascular damage induced by N-generated local hyperthermia, and subsequently secreting nanosized proplatelets (nPLTs) to transport active components to deep tumor tissue. The immunostimulator augmented the immunogenicity of antigens released from ablated tumors, inducing a stronger immunological response to attack residual, metastatic, and recurrent tumors. Following activation by low-power near-infrared light irradiation, the photothermal and immunological components synergistically provide exceptionally high therapeutic efficacy across nine murine models that mimicked a range of clinical requirements, and, most notably, a sophisticated model based on humanized mouse and patient-derived tumor xenograft.
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Affiliation(s)
- Yanlin Lv
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Feng Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Shuang Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Guihong Lu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Weier Bao
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yugang Wang
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, P. R. China
| | - Zhiyuan Tian
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China.
| | - Wei Wei
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China.
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Guanghui Ma
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China.
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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16
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Fekete Z, Horváth ÁC, Zátonyi A. Infrared neuromodulation:a neuroengineering perspective. J Neural Eng 2020; 17:051003. [PMID: 33055373 DOI: 10.1088/1741-2552/abb3b2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Infrared neuromodulation (INM) is a branch of photobiomodulation that offers direct or indirect control of cellular activity through elevation of temperature in a spatially confined region of the target tissue. Research on INM started about 15 ago and is gradually attracting the attention of the neuroscience community, as numerous experimental studies have provided firm evidence on the safe and reproducible excitation and inhibition of neuronal firing in both in vitro and in vivo conditions. However, its biophysical mechanism is not fully understood and several engineered interfaces have been created to investigate infrared stimulation in both the peripheral and central nervous system. In this review, recent applications and present knowledge on the effects of INM on cellular activity are summarized, and an overview of the technical approaches to deliver infrared light to cells and to interrogate the optically evoked response is provided. The micro- and nanoengineered interfaces used to investigate the influence of INM are described in detail.
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Affiliation(s)
- Z Fekete
- Research Group for Implantable Microsystems, Faculty of Information Technology & Bionics, Pázmány Péter Catholic University, Budapest 1083, Hungary. Author to whom any correspondence should be addressed
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17
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Pankow RM, Thompson BC. The development of conjugated polymers as the cornerstone of organic electronics. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122874] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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18
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Lian X, Wei MY, Ma Q. Nanomedicines for Near-Infrared Fluorescent Lifetime-Based Bioimaging. Front Bioeng Biotechnol 2019; 7:386. [PMID: 31867317 PMCID: PMC6909848 DOI: 10.3389/fbioe.2019.00386] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 11/18/2019] [Indexed: 11/13/2022] Open
Abstract
Nanomedicines refer to the application of nanotechnology in disease diagnosis, treatment, and monitoring. Bioimaging provides crucial biological information for disease diagnosis and treatment monitoring. Fluorescent bioimaging shows the advantages of good contrast and a vast variety of signal readouts and yet suffers from imaging depth due to the background noise from the autofluorescence of tissue and light scattering. Near-infrared fluorescent lifetime bioimaging (NIR- FLTB) suppresses such background noises and significantly improves signal-to-background ratio. This article gives an overview of recent advances in NIR- FLTB using organic compounds and nanomaterials as contrast agent (CA). The advantages and disadvantages of each CA are discussed in detail. We survey relevant reports about NIR-FLTB in recent years and summarize important findings or progresses. In addition, emerging hybrid bioimaging techniques are introduced, such as ultrasound-modulated FLTB. The challenges and an outlook for NIR- FLTB development are discussed at the end, aiming to provide references and inspire new ideas for future nanomedicine development.
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Affiliation(s)
- Xianhui Lian
- Chinese Academy of Inspection and Quarantine, Beijing, China
- School of Life Science and Medicine, Dalian University of Technology, Panjin, China
| | - Ming-Yuan Wei
- Texas Commission on Environmental Quality, Austin, TX, United States
| | - Qiang Ma
- Chinese Academy of Inspection and Quarantine, Beijing, China
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19
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Qu W, Zhang X, Ma Y, Yu F, Liu H. A novel near-infrared fluorescent probe for detection of hypobromous acid and its bioimaging applications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 222:117240. [PMID: 31203053 DOI: 10.1016/j.saa.2019.117240] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 05/17/2019] [Accepted: 06/05/2019] [Indexed: 06/09/2023]
Abstract
Hypobromous acid (HOBr) is an important reactive oxygen species and has been recently found to be associated with a variety of diseases. However, owing to a lack of effective analytical tools, there is still limited understanding of its roles in living systems. Here, we present a new type of near-infrared fluorescent probe DCSN for HOBr detection. The designed probe exhibits high sensitivity with a low detection limit, excellent selectivity over other interfering species and low cytotoxicity. More interestingly, the fluorescence response behavior of the probe was different from the previous literatures due to the intramolecular charge transfer process. Moreover, we have successfully monitored HOBr in living cells by utilizing DCSN. This probe has potential to be used as a promising tool for better understanding the physiological functions of HOBr.
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Affiliation(s)
- Wangbo Qu
- Institute of Functional Materials and Molecular Imaging, College of Clinical Medicine, Key Laboratory of Hainan Trauma and Disaster Rescue, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, PR China; Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Xiaoyu Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Yingying Ma
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Fabiao Yu
- Institute of Functional Materials and Molecular Imaging, College of Clinical Medicine, Key Laboratory of Hainan Trauma and Disaster Rescue, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, PR China
| | - Heng Liu
- Institute of Functional Materials and Molecular Imaging, College of Clinical Medicine, Key Laboratory of Hainan Trauma and Disaster Rescue, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, PR China; Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China.
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20
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Cheruku S, D'Olieslaeger L, Smisdom N, Smits J, Vanderzande D, Maes W, Ameloot M, Ethirajan A. Fluorescent PCDTBT Nanoparticles with Tunable Size for Versatile Bioimaging. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2497. [PMID: 31390806 PMCID: PMC6695891 DOI: 10.3390/ma12152497] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 07/30/2019] [Accepted: 08/06/2019] [Indexed: 01/03/2023]
Abstract
Conjugated polymer nanoparticles exhibit very interesting properties for use as bio-imaging agents. In this paper, we report the synthesis of PCDTBT (poly([9-(1'-octylnonyl)-9H-carbazole-2,7-diyl]-2,5-thiophenediyl-2,1,3-benzothiadiazole-4,7-diyl-2,5-thiophene-diyl)) nanoparticles of varying sizes using the mini-emulsion and emulsion/solvent evaporation approach. The effect of the size of the particles on the optical properties is investigated using UV-Vis absorption and fluorescence emission spectroscopy. It is shown that PCDTBT nanoparticles have a fluorescence emission maximum around 710 nm, within the biological near-infrared "optical window". The photoluminescence quantum yield shows a characteristic trend as a function of size. The particles are not cytotoxic and are taken up successfully by human lung cancer carcinoma A549 cells. Irrespective of the size, all particles show excellent fluorescent brightness for bioimaging. The fidelity of the particles as fluorescent probes to study particle dynamics in situ is shown as a proof of concept by performing raster image correlation spectroscopy. Combined, these results show that PCDTBT is an excellent candidate to serve as a fluorescent probe for near-infrared bio-imaging.
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Affiliation(s)
- Srujan Cheruku
- Nanobiophysics and Soft Matter Interfaces group (NSI), Institute for Materials Research (IMO-IMOMEC), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
| | - Lien D'Olieslaeger
- Nanobiophysics and Soft Matter Interfaces group (NSI), Institute for Materials Research (IMO-IMOMEC), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
| | - Nick Smisdom
- Biomedical Research Institute (BIOMED), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
| | - Joeri Smits
- Nanobiophysics and Soft Matter Interfaces group (NSI), Institute for Materials Research (IMO-IMOMEC), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
| | - Dirk Vanderzande
- Design & Synthesis of Organic Semiconductors (DSOS), Institute for Materials Research (IMO-IMOMEC), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
- IMEC, Associated lab IMOMEC, 3590 Diepenbeek, Belgium
| | - Wouter Maes
- Design & Synthesis of Organic Semiconductors (DSOS), Institute for Materials Research (IMO-IMOMEC), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
- IMEC, Associated lab IMOMEC, 3590 Diepenbeek, Belgium
| | - Marcel Ameloot
- Biomedical Research Institute (BIOMED), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium
| | - Anitha Ethirajan
- Nanobiophysics and Soft Matter Interfaces group (NSI), Institute for Materials Research (IMO-IMOMEC), UHasselt-Hasselt University, 3590 Diepenbeek, Belgium.
- IMEC, Associated lab IMOMEC, 3590 Diepenbeek, Belgium.
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21
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Xu Z, Zhang T, Gu Y, Liu F, Liu H, Lu N, Xu H, Yan X, Zhang Z, Lu P. New Strategy for Ultrasensitive Aptasensor Fabrication: D-A-D Constitution as a Charge Transfer Platform and Recognition Element. ACS APPLIED MATERIALS & INTERFACES 2019; 11:17894-17901. [PMID: 31009203 DOI: 10.1021/acsami.9b05689] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Over the past decade, various sensing systems based on aptamers have attracted a great deal of studies directed at designing highly selective biosensors. In this paper, we described a new-style electrochemical aptamer sensor (aptasensor) via a donor-acceptor link substrate, which was characterized by electrochemical methods and other helpful characterization instruments. Molecules with D-A-D configuration always undergo an intrinsic signal amplification due to the elongation of the π-electron conjugation. Triphenylamine, a peripheral electron donor, has excellent hole-transport property and is able to assemble on the surface of glassy carbon electrode by π-π stacking interaction. To further improve the performance of the adenosine triphosphate (ATP) sensor, we chose diphenylfumaronitrile-containing electron-withdrawing group as the central core to promote charge transfer, which can also efficiently combine with aptamers by multihydrogen bond function. Surprisingly, the sensing platform showed a wide liner range from 0.1 pM to 100 nM, with a detection limit of 0.018 pM. We examined the ATP in human serum sample, indicating that the novel aptasensor based on D-A-D conjugated polymer holds great possibility for practical detection of ATP. Moreover, it is foreseeable that the conjugated polymers of the D-A structure will have promising application in the preparation of biosensors.
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22
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Braeken Y, Cheruku S, Seneca S, Smisdom N, Berden L, Kruyfhooft L, Penxten H, Lutsen L, Fron E, Vanderzande D, Ameloot M, Maes W, Ethirajan A. Effect of Branching on the Optical Properties of Poly(p-phenylene ethynylene) Conjugated Polymer Nanoparticles for Bioimaging. ACS Biomater Sci Eng 2019; 5:1967-1977. [DOI: 10.1021/acsbiomaterials.8b01416] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yasmine Braeken
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), Hasselt University, Agoralaan Building D, Diepenbeek 3590, Belgium
| | - Srujan Cheruku
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), Hasselt University, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Senne Seneca
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), Hasselt University, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Nick Smisdom
- Biomedical Research Institute (BIOMED), Hasselt University, Agoralaan Building C, Diepenbeek 3590, Belgium
| | - Laurens Berden
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), Hasselt University, Agoralaan Building D, Diepenbeek 3590, Belgium
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), Hasselt University, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Louis Kruyfhooft
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), Hasselt University, Agoralaan Building D, Diepenbeek 3590, Belgium
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), Hasselt University, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Huguette Penxten
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), Hasselt University, Agoralaan Building D, Diepenbeek 3590, Belgium
| | - Laurence Lutsen
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Eduard Fron
- Molecular Visualization and Photonics, KU Leuven, Celestijnenlaan 200F, Leuven 3001, Belgium
| | - Dirk Vanderzande
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), Hasselt University, Agoralaan Building D, Diepenbeek 3590, Belgium
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Marcel Ameloot
- Biomedical Research Institute (BIOMED), Hasselt University, Agoralaan Building C, Diepenbeek 3590, Belgium
| | - Wouter Maes
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), Hasselt University, Agoralaan Building D, Diepenbeek 3590, Belgium
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Anitha Ethirajan
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), Hasselt University, Wetenschapspark 1, Diepenbeek 3590, Belgium
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, Diepenbeek 3590, Belgium
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23
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Luo X, Meng J, Li B, Peng A, Tian Z. Development of fluorescent nanoparticles with aggregation-induced delayed fluorescence features, improved brightness and photostability for living cells imaging. NEW J CHEM 2019. [DOI: 10.1039/c9nj01945f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bright, photostable fluorescent nanoparticles with long fluorescence lifetimes were fabricated based on fluorophores with AIE and TADF characteristics for bioimaging.
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Affiliation(s)
- Xiaofeng Luo
- School of Chemical Sciences and Optoelectronic Technology
- University of Chinese Academy of Sciences (UCAS)
- Beijing 100049
- P. R. China
| | - Jiaqi Meng
- School of Chemical Sciences and Optoelectronic Technology
- University of Chinese Academy of Sciences (UCAS)
- Beijing 100049
- P. R. China
| | - Baolin Li
- School of Chemical Sciences and Optoelectronic Technology
- University of Chinese Academy of Sciences (UCAS)
- Beijing 100049
- P. R. China
| | - Aidong Peng
- College of Materials Science and Optoelectronic Technology
- University of Chinese Academy of Sciences (UCAS)
- Beijing 100049
- P. R. China
| | - Zhiyuan Tian
- School of Chemical Sciences and Optoelectronic Technology
- University of Chinese Academy of Sciences (UCAS)
- Beijing 100049
- P. R. China
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24
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Tsai WK, Chan YH. Semiconducting polymer dots as near-infrared fluorescent probes for bioimaging and sensing. J CHIN CHEM SOC-TAIP 2018. [DOI: 10.1002/jccs.201800322] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Wei-Kai Tsai
- Department of Chemistry; National Sun Yat-sen University; Kaohsiung Taiwan
| | - Yang-Hsiang Chan
- Department of Applied Chemistry; National Chiao Tung University; Hsinchu Taiwan
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25
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Lv Y, Liu M, Zhang Y, Wang X, Zhang F, Li F, Bao WE, Wang J, Zhang Y, Wei W, Ma G, Zhao L, Tian Z. Cancer Cell Membrane-Biomimetic Nanoprobes with Two-Photon Excitation and Near-Infrared Emission for Intravital Tumor Fluorescence Imaging. ACS NANO 2018; 12:1350-1358. [PMID: 29338190 DOI: 10.1021/acsnano.7b07716] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Biomimetic fluorescent nanoprobes capable of emitting near-infrared (NIR) fluorescence (λmax ≈ 720 nm) upon excitation of 800 nm light were developed. The key conjugated polymer enabled two-photon absorption and Förster resonance energy transfer (FRET) processes within the nanoprobes, which imparted the nanoprobes with ideal NIR-incoming-NIR-outgoing fluorescence features. The cancer cell membrane (CM) coating endowed these nanoprobes with perfect biocompatibility and highly specific targeting ability to homologous tumors. It was believed that CM encapsulation provided an additional protecting layer for the photoactive components residing in the core of nanoprobes for retaining their intrinsic fluorescing ability in the physiological milieu. The long-term structural integrity, excellent photostability (fluorescence decrease <10% upon 30 min illumination of 800 nm pulse laser), high NIR fluorescence quantum yield (∼20%), and long in vivo circulation time of the target nanoprobes were also confirmed. The ability of these feature-packed nanoprobes for circumventing the challenges of absorption and light scattering caused by cellular structures and tissues was definitely confirmed via in vivo and in vitro experiments. The superior performances of these nanoprobes in terms of fluorescence signaling as well as targeting specificity were verified in intravital fluorescence imaging on tumor-bearing model mice. Specifically, these nanoprobes unequivocally enabled high-resolution visualization of the fine heterogeneous architectures of intravital tumor tissue, which proclaims the great potential of this type of probe for high-contrast fluorescence detection of thick biological samples in practical applications.
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Affiliation(s)
- Yanlin Lv
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P. R. China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, CAS , Beijing 100190, P. R. China
| | - Ming Liu
- School of Materials Science and Engineering, Harbin Institute of Technology , Harbin 150001, P. R. China
- School of Materials Science and Engineering, Wuhan Institute of Technology , Wuhan 403052, P. R. China
| | - Yong Zhang
- School of Materials Science and Engineering, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Xuefei Wang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P. R. China
| | - Fan Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, CAS , Beijing 100190, P. R. China
| | - Feng Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, CAS , Beijing 100190, P. R. China
| | - Wei-Er Bao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, CAS , Beijing 100190, P. R. China
| | - Jie Wang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P. R. China
| | - Yuanlin Zhang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P. R. China
| | - Wei Wei
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, CAS , Beijing 100190, P. R. China
| | - Guanghui Ma
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, CAS , Beijing 100190, P. R. China
| | - Liancheng Zhao
- School of Materials Science and Engineering, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Zhiyuan Tian
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P. R. China
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Zhang C, Li M, Lu HY, Chen CF. Synthesis, chiroptical properties, and self-assembled nanoparticles of chiral conjugated polymers based on optically stable helical aromatic esters. RSC Adv 2018; 8:1014-1021. [PMID: 35538983 PMCID: PMC9076947 DOI: 10.1039/c7ra12652b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 12/12/2017] [Indexed: 01/21/2023] Open
Abstract
By Suzuki coupling reaction, three pairs of chiral conjugated polymers with optically stable helical aromatic ester subunits as the main-chain were designed and synthesized. Polymers (+)-P-P1 and (-)-M-P1, (+)-P-P2 and (-)-M-P2 showed strong fluorescence emission, strong mirror image CD and circularly polarized luminescence (CPL) signals in THF. For polymers (+)-P-P3 and (-)-M-P3, containing the tetraphenylethene (TPE) moiety, they not only showed obvious aggregation induced enhancement emission (AIEE), but also exhibited mirror image CD signals and aggregation-induced enhancement CPL signals in THF-water mixtures. Moreover, (+)-P-P3 and (-)-M-P3 could also form chiral nanoparticles by solvent evaporation induced self-assembly. Interestingly, it was further found that the size of the nanoparticles could be controlled by the changing of THF/water ratio, and their CPL properties were also shown.
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Affiliation(s)
- Chao Zhang
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Meng Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences Beijing 100090 China +86-10-62554449
| | - Hai-Yan Lu
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chuan-Feng Chen
- University of Chinese Academy of Sciences Beijing 100049 China
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences Beijing 100090 China +86-10-62554449
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27
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Wang J, Lv F, Liu L, Ma Y, Wang S. Strategies to design conjugated polymer based materials for biological sensing and imaging. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.06.023] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Braeken Y, Cheruku S, Ethirajan A, Maes W. Conjugated Polymer Nanoparticles for Bioimaging. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E1420. [PMID: 29231908 PMCID: PMC5744355 DOI: 10.3390/ma10121420] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 11/27/2017] [Accepted: 12/05/2017] [Indexed: 12/11/2022]
Abstract
During the last decade, conjugated polymers have emerged as an interesting class of fluorescence imaging probes since they generally show high fluorescence brightness, high photostability, fast emission rates, non-blinking behavior and low cytotoxicity. The main concern related to most conjugated polymers is their lack of hydrophilicity and thereby poor bio-availability. This can, however, be overcome by the formulation of conjugated polymer nanoparticles in aqueous medium. This review provides an overview of the different techniques employed for the preparation of conjugated polymer nanoparticles, together with methods to improve their photoluminescence quantum yields. For selective targeting of specific cells, dedicated surface functionalization protocols have been developed, using different functional groups for ligand immobilization. Finally, conjugated polymer nanoparticles have recently also been employed for theranostic applications, wherein the particles are simultaneously used as fluorescent probes and carriers for anti-tumor drugs.
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Affiliation(s)
- Yasmine Braeken
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), UHasselt-Hasselt University, Agoralaan, 3590 Diepenbeek, Belgium.
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, 3590 Diepenbeek, Belgium.
| | - Srujan Cheruku
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, 3590 Diepenbeek, Belgium.
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), UHasselt-Hasselt University, Agoralaan, 3590 Diepenbeek, Belgium.
| | - Anitha Ethirajan
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, 3590 Diepenbeek, Belgium.
- Institute for Materials Research (IMO-IMOMEC), Nanobiophysics and Soft Matter Interfaces (NSI), UHasselt-Hasselt University, Agoralaan, 3590 Diepenbeek, Belgium.
| | - Wouter Maes
- Institute for Materials Research (IMO-IMOMEC), Design & Synthesis of Organic Semiconductors (DSOS), UHasselt-Hasselt University, Agoralaan, 3590 Diepenbeek, Belgium.
- Associated Lab IMOMEC, IMEC, Wetenschapspark 1, 3590 Diepenbeek, Belgium.
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Urban A, Golgher L, Brunner C, Gdalyahu A, Har-Gil H, Kain D, Montaldo G, Sironi L, Blinder P. Understanding the neurovascular unit at multiple scales: Advantages and limitations of multi-photon and functional ultrasound imaging. Adv Drug Deliv Rev 2017; 119:73-100. [PMID: 28778714 DOI: 10.1016/j.addr.2017.07.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 07/17/2017] [Accepted: 07/22/2017] [Indexed: 02/07/2023]
Abstract
Developing efficient brain imaging technologies by combining a high spatiotemporal resolution and a large penetration depth is a key step for better understanding the neurovascular interface that emerges as a main pathway to neurodegeneration in many pathologies such as dementia. This review focuses on the advances in two complementary techniques: multi-photon laser scanning microscopy (MPLSM) and functional ultrasound imaging (fUSi). MPLSM has become the gold standard for in vivo imaging of cellular dynamics and morphology, together with cerebral blood flow. fUSi is an innovative imaging modality based on Doppler ultrasound, capable of recording vascular brain activity over large scales (i.e., tens of cubic millimeters) at unprecedented spatial and temporal resolution for such volumes (up to 10μm pixel size at 10kHz). By merging these two technologies, researchers may have access to a more detailed view of the various processes taking place at the neurovascular interface. MPLSM and fUSi are also good candidates for addressing the major challenge of real-time delivery, monitoring, and in vivo evaluation of drugs in neuronal tissue.
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Affiliation(s)
- Alan Urban
- Neuroelectronics Research Flanders, Leuven, Belgium; VIB, Leuven, Belgium and/or IMEC, Leuven, Belgium; Department of Neurosciences, KU Leuven, Leuven, Belgium; Neurobiology Dept., Wise Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | - Lior Golgher
- Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel
| | - Clément Brunner
- Neuroelectronics Research Flanders, Leuven, Belgium; VIB, Leuven, Belgium and/or IMEC, Leuven, Belgium
| | - Amos Gdalyahu
- Neurobiology Dept., Wise Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | - Hagai Har-Gil
- Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel
| | - David Kain
- Neurobiology Dept., Wise Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | - Gabriel Montaldo
- Neuroelectronics Research Flanders, Leuven, Belgium; VIB, Leuven, Belgium and/or IMEC, Leuven, Belgium
| | - Laura Sironi
- Physics Dept., Universita degli Studi di Milano Bicocca, Italy
| | - Pablo Blinder
- Neurobiology Dept., Wise Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv, Israel; Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel.
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30
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Sheng W, He S, Seare WJ, Almutairi A. Review of the progress toward achieving heat confinement-the holy grail of photothermal therapy. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:80901. [PMID: 28776627 PMCID: PMC5544355 DOI: 10.1117/1.jbo.22.8.080901] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 06/23/2017] [Indexed: 06/01/2023]
Abstract
Photothermal therapy (PTT) involves the application of normally benign light wavelengths in combination with efficient photothermal (PT) agents that convert the absorbed light to heat to ablate selected cancers. The major challenge in PTT is the ability to confine heating and thus direct cellular death to precisely where PT agents are located. The dominant strategy in the field has been to create large libraries of PT agents with increased absorption capabilities and to enhance their delivery and accumulation to achieve sufficiently high concentrations in the tissue targets of interest. While the challenge of material confinement is important for achieving “heat and lethality confinement,” this review article suggests another key prospective strategy to make this goal a reality. In this approach, equal emphasis is placed on selecting parameters of light exposure, including wavelength, duration, power density, and total power supplied, based on the intrinsic properties and geometry of tissue targets that influence heat dissipation, to truly achieve heat confinement. This review highlights significant milestones researchers have achieved, as well as examples that suggest future research directions, in this promising technique, as it becomes more relevant in clinical cancer therapy and other noncancer applications.
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Affiliation(s)
- Wangzhong Sheng
- University of California, Laboratory for Bioresponsive Materials, Department of Mechanical and Aerospace Engineering, Materials Science Program, La Jolla, San Diego, California, United States
- University of California, Laboratory for Bioresponsive Materials, Skaggs School of Pharmacy and Pharmaceutical Sciences, La Jolla, San Diego, California, United States
| | - Sha He
- University of California, Laboratory for Bioresponsive Materials, Skaggs School of Pharmacy and Pharmaceutical Sciences, La Jolla, San Diego, California, United States
- University of California, Laboratory for Bioresponsive Materials, Department of Nanoengineering, La Jolla, San Diego, California, United States
| | | | - Adah Almutairi
- University of California, Laboratory for Bioresponsive Materials, Department of Mechanical and Aerospace Engineering, Materials Science Program, La Jolla, San Diego, California, United States
- University of California, Laboratory for Bioresponsive Materials, Skaggs School of Pharmacy and Pharmaceutical Sciences, La Jolla, San Diego, California, United States
- University of California, Laboratory for Bioresponsive Materials, Department of Nanoengineering, La Jolla, San Diego, California, United States
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32
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Chen Z, Zhong X, Qu W, Shi T, Liu H, He H, Zhang X, Wang S. A highly selective HBT-based “turn-on” fluorescent probe for hydrazine detection and its application. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.05.071] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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33
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Sun Y, Chen Z, Chen F, Liu H, He H, Zhang X, Wang S. An HBT-Based Near-Infrared Fluorescent Probe for Colorimetric and Ratiometric Detection of Bisulfite and its Application in Living Cells. J Fluoresc 2017; 27:1405-1411. [DOI: 10.1007/s10895-017-2077-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 04/04/2017] [Indexed: 12/11/2022]
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34
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Li CY, Cao D, Qi CB, Chen HL, Wan YT, Lin Y, Zhang ZL, Pang DW, Tang HW. One-step separation-free detection of carcinoembryonic antigen in whole serum: Combination of two-photon excitation fluorescence and optical trapping. Biosens Bioelectron 2017; 90:146-152. [DOI: 10.1016/j.bios.2016.11.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/09/2016] [Accepted: 11/11/2016] [Indexed: 10/20/2022]
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35
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Chen F, Chen Z, Sun Y, Liu H, Han D, He H, Zhang X, Wang S. HBT-based turn-on fluorescent probe for discrimination of homocysteine from glutathione/cysteine and its bioimaging applications. RSC Adv 2017. [DOI: 10.1039/c6ra28712c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In this work, we firstly reported a new type of turn-on fluorescent probe HBTI for Hcy over GSH/Cys based on ESIPT and heavy atom effect strategy.
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Affiliation(s)
- Fengzao Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
| | - Zhen Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
| | - Yuanchao Sun
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
| | - Heng Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
| | - Deman Han
- Department of Chemistry
- Taizhou University
- Jiaojiang 318000
- PR China
| | - Hanping He
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
| | - Xiuhua Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
| | - Shengfu Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
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36
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Chen Z, Chen F, Sun Y, Liu H, He H, Zhang X, Wang S. A novel ratiometric fluorescent probe for selective detection of bisulfite in living cells. RSC Adv 2017. [DOI: 10.1039/c6ra27347e] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
In this work, a new type of ratiometric fluorescent probe APCT for bisulfite anion based on Michael-type addition reaction was designed.
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Affiliation(s)
- Zhen Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Fengzao Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Yuanchao Sun
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Heng Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Hanping He
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Xiuhua Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
| | - Shengfu Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan 430062
- PR China
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37
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Meng F, Li Y, Zhang W, Li S, Quan Y, Cheng Y. Circularly polarized luminescence based chirality transfer of the chiral BINOL moiety via rigid π-conjugation chain backbone structures. Polym Chem 2017. [DOI: 10.1039/c6py02218a] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Three kinds of chiral BINOL-based polymers could be synthesized by polymerization in a Pd-catalyzed cross-coupling reaction.
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Affiliation(s)
- Fandian Meng
- Key Lab of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences
- Nanjing University
- Nanjing
- China
| | - Yunzhi Li
- Computational Chemistry School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Wenjie Zhang
- Key Lab of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences
- Nanjing University
- Nanjing
- China
| | - Shuhua Li
- Computational Chemistry School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Yiwu Quan
- Key Lab of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences
- Nanjing University
- Nanjing
- China
| | - Yixiang Cheng
- Key Lab of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences
- Nanjing University
- Nanjing
- China
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38
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Mettra B, Appaix F, Olesiak-Banska J, Le Bahers T, Leung A, Matczyszyn K, Samoc M, van der Sanden B, Monnereau C, Andraud C. A Fluorescent Polymer Probe with High Selectivity toward Vascular Endothelial Cells for and beyond Noninvasive Two-Photon Intravital Imaging of Brain Vasculature. ACS APPLIED MATERIALS & INTERFACES 2016; 8:17047-59. [PMID: 27267494 DOI: 10.1021/acsami.6b02936] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
A chromophore-engineering strategy that relies on the introduction of a ground-state distortion in a quadrupolar chromophore was used to obtain a quasi-quadrupolar chromophore with red emission and large two-photon absorption (2PA) cross-section in polar solvents. This molecule was functionalized with water-solubilizing polymer chains. It constitutes not only a remarkable contrast agent for intravital two-photon microscopy of the functional cerebral vasculature in a minimally invasive configuration but presents intriguing endothelial staining ability that makes it a valuable probe for premortem histological staining.
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Affiliation(s)
- B Mettra
- Laboratoire de Chimie, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard, Université de Lyon , F69342, Lyon, France
| | - F Appaix
- Grenoble Institut des Neurosciences, GIN, Inserm, U1216, Univ Grenoble Alpes , F-38000 Grenoble, France
| | - J Olesiak-Banska
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Technology , Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - T Le Bahers
- Laboratoire de Chimie, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard, Université de Lyon , F69342, Lyon, France
| | - A Leung
- Laboratoire de Chimie, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard, Université de Lyon , F69342, Lyon, France
| | - K Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Technology , Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - M Samoc
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Technology , Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - B van der Sanden
- CLINATEC, INSERM UA 01, Rue des Martyrs 17, 38054, Grenoble, France
| | - C Monnereau
- Laboratoire de Chimie, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard, Université de Lyon , F69342, Lyon, France
| | - C Andraud
- Laboratoire de Chimie, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard, Université de Lyon , F69342, Lyon, France
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39
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Hemmer E, Benayas A, Légaré F, Vetrone F. Exploiting the biological windows: current perspectives on fluorescent bioprobes emitting above 1000 nm. NANOSCALE HORIZONS 2016; 1:168-184. [PMID: 32260620 DOI: 10.1039/c5nh00073d] [Citation(s) in RCA: 318] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
With the goal of developing more accurate, efficient, non-invasive and fast diagnostic tools, the use of near-infrared (NIR) light in the range of the second and third biological windows (NIR-II: 1000-1350 nm, NIR-III: 1550-1870 nm) is growing remarkably as it provides the advantages of deeper penetration depth into biological tissues, better image contrast, reduced phototoxicity and photobleaching. Consequently, NIR-based bioimaging has become a quickly emerging field and manifold new NIR-emitting bioprobes have been reported. Classes of materials suggested as potential probes for NIR-to-NIR bioimaging (using NIR light for the excitation and emission) are quite diverse. These include rare-earth based nanoparticles, Group-IV nanostructures (single-walled carbon nanotubes, carbon nanoparticles and more recently Si- or Ge-based nanostructures) as well as Ag, In and Pb chalcogenide quantum dots. This review summarizes and discusses current trends, material merits, and latest developments in NIR-to-NIR bioimaging taking advantage of the region above 1000 nm (i.e. the second and third biological windows). Further consideration will be given to upcoming probe materials emitting in the NIR-I region (700-950 nm), thus do not possess emissions in these two windows, but have high expectations. Overall, the focus is placed on recent discussions concerning the optimal choice of excitation and emission wavelengths for deep-tissue high-resolution optical bioimaging and on fluorescent bioprobes that have successfully been implemented in in vitro and in vivo applications.
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Affiliation(s)
- Eva Hemmer
- Institut National de la Recherche Scientifique -Énergie, Matériaux et Télécommunications, Université du Québec, 1650 Boulevard Lionel-Boulet, Varennes, Québec J3X 1S2, Canada.
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40
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Zheng Z, Caraguel F, Liao YY, Andraud C, van der Sanden B, Bretonnière Y. Photostable far-red emitting pluronic silicate nanoparticles: perfect blood pool fluorophores for biphotonic in vivo imaging of the leaky tumour vasculature. RSC Adv 2016. [DOI: 10.1039/c6ra17438h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new non-diffusible fluorescent probe for two photon microscopy, comprising a hydrophobic push-pull dye in the apolar core of Pluronic F127–silica nanoparticles, shows intense red emission (Φf 39% at 650 nm) and two-photon absorption properties in the NIR.
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Affiliation(s)
- Zheng Zheng
- Univ Lyon
- ENS de Lyon
- CNRS UMR 5182
- Université Lyon 1
- Laboratoire de Chimie
| | - Flavien Caraguel
- PF of Intravital Microscopy France Life Imaging & CEA-INSERM-Grenoble Alps University
- UMR S 1036
- Biology of Cancer and Infection
- Grenoble
- France
| | - Yuan-Yuan Liao
- Univ Lyon
- ENS de Lyon
- CNRS UMR 5182
- Université Lyon 1
- Laboratoire de Chimie
| | - Chantal Andraud
- Univ Lyon
- ENS de Lyon
- CNRS UMR 5182
- Université Lyon 1
- Laboratoire de Chimie
| | - Boudewijn van der Sanden
- PF of Intravital Microscopy France Life Imaging & CEA-INSERM-Grenoble Alps University
- UMR S 1036
- Biology of Cancer and Infection
- Grenoble
- France
| | - Yann Bretonnière
- Univ Lyon
- ENS de Lyon
- CNRS UMR 5182
- Université Lyon 1
- Laboratoire de Chimie
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41
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Pan L, Sun S, Zhang L, Jiang K, Lin H. Near-infrared emissive carbon dots for two-photon fluorescence bioimaging. NANOSCALE 2016; 8:17350-17356. [PMID: 27714173 DOI: 10.1039/c6nr05878g] [Citation(s) in RCA: 150] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
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42
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Xiao JW, Zhu WJ, Sun R, Xu YJ, Ge JF. Evaluation of electron or charge transfer processes between chromenylium-based fluorophores and protonated–deprotonated aniline. RSC Adv 2016. [DOI: 10.1039/c6ra19831g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
PET and ICT processes in chromenylium hybrid fluorescent dyes.
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Affiliation(s)
- Jin-Wei Xiao
- College of Chemistry
- Chemical Engineering and Material Science
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Soochow University
- Suzhou 215123
| | - Wei-Jin Zhu
- College of Chemistry
- Chemical Engineering and Material Science
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Soochow University
- Suzhou 215123
| | - Ru Sun
- College of Chemistry
- Chemical Engineering and Material Science
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Soochow University
- Suzhou 215123
| | - Yu-Jie Xu
- School of Radiation Medicine and Protection
- Medicine College of Soochow University
- Suzhou 215123
- China
| | - Jian-Feng Ge
- College of Chemistry
- Chemical Engineering and Material Science
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Soochow University
- Suzhou 215123
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43
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Dong W, Wu H, Chen M, Shi Y, Sun J, Qin A, Tang BZ. Anionic conjugated polytriazole: direct preparation, aggregation-enhanced emission, and highly efficient Al3+ sensing. Polym Chem 2016. [DOI: 10.1039/c6py01202g] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
AEE-active anionic conjugated polytriazole was directly prepared by Cu(i)-catalyzed click polymerization, which could be used to specifically and sensitively detect Al3+.
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Affiliation(s)
- Wenhui Dong
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Haiqiang Wu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Ming Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yang Shi
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Jingzhi Sun
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Anjun Qin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Ben Zhong Tang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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