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Bregnhøj M, Thorning F, Ogilby PR. Singlet Oxygen Photophysics: From Liquid Solvents to Mammalian Cells. Chem Rev 2024. [PMID: 39106038 DOI: 10.1021/acs.chemrev.4c00105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
Molecular oxygen, O2, has long provided a cornerstone for studies in chemistry, physics, and biology. Although the triplet ground state, O2(X3Σg-), has garnered much attention, the lowest excited electronic state, O2(a1Δg), commonly called singlet oxygen, has attracted appreciable interest, principally because of its unique chemical reactivity in systems ranging from the Earth's atmosphere to biological cells. Because O2(a1Δg) can be produced and deactivated in processes that involve light, the photophysics of O2(a1Δg) are equally important. Moreover, pathways for O2(a1Δg) deactivation that regenerate O2(X3Σg-), which address fundamental principles unto themselves, kinetically compete with the chemical reactions of O2(a1Δg) and, thus, have practical significance. Due to technological advances (e.g., lasers, optical detectors, microscopes), data acquired in the past ∼20 years have increased our understanding of O2(a1Δg) photophysics appreciably and facilitated both spatial and temporal control over the behavior of O2(a1Δg). One goal of this Review is to summarize recent developments that have broad ramifications, focusing on systems in which oxygen forms a contact complex with an organic molecule M (e.g., a liquid solvent). An important concept is the role played by the M+•O2-• charge-transfer state in both the formation and deactivation of O2(a1Δg).
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Affiliation(s)
- Mikkel Bregnhøj
- Department of Chemistry, Aarhus University, 140 Langelandsgade, Aarhus 8000, Denmark
| | - Frederik Thorning
- Department of Chemistry, Aarhus University, 140 Langelandsgade, Aarhus 8000, Denmark
| | - Peter R Ogilby
- Department of Chemistry, Aarhus University, 140 Langelandsgade, Aarhus 8000, Denmark
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2
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Fuentes-López D, Ortega-Zambrano D, Fernández-Herrera MA, Mercado-Uribe H. The growth of Escherichia coli cultures under the influence of pheomelanin nanoparticles and a chelant agent in the presence of light. PLoS One 2022; 17:e0265277. [PMID: 35275981 PMCID: PMC8916617 DOI: 10.1371/journal.pone.0265277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 02/25/2022] [Indexed: 11/23/2022] Open
Abstract
Growing concern of antibiotic resistance has increased research efforts to find nonspecific treatments to inhibit pathogenic microorganisms. In this regard, photodynamic inactivation is a promising method. It is based on the excitation of a photosensitizer molecule (PS) with UV-Vis radiation to produce reactive oxygen species. The high reactivity of such species nearby the PS leads to oxidation of bacterial cell walls, lipid membranes (lipid peroxidation), enzymes, and nucleic acids, eventually producing cell death. In the last decade, many studies have been carried out with different photosensitizers to suppress the growth of bacteria, fungi, viruses, and malignant tumors. Here, our main motivation is to employ pheomelanin nanoparticles as sensitizers for inhibiting the growth of the Gram-negative bacteria E. coli, exposed to blue and UVA radiation. In order to perform our experiments, we synthesized pheomelanin nanoparticles from L-DOPA and L-cysteine through an oxidation process. We carried out experiments at different particle concentrations and different energy fluences. We found that cultures exposed to UVA at 166 μg/mL and 270 J/cm2, in conjunction with ethylenediaminetetraacetic acid (EDTA) as an enhancer, decreased in the viable count 5 log10. Different reactive oxygen species (singlet oxygen, hydroxyl radicals, and peroxynitrates) were detected using different procedures. Our results suggest that the method reported here is effective against E. coli, which could encourage further investigations in other type of bacteria.
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Affiliation(s)
- Denisse Fuentes-López
- Centro de Investigación y de Estudios Avanzados, del Instituto Politécnico Nacional Unidad Monterrey, Apodaca, Nuevo León, México
| | - Daniel Ortega-Zambrano
- Centro de Investigación y de Estudios Avanzados, del Instituto Politécnico Nacional Unidad Monterrey, Apodaca, Nuevo León, México
| | - María Antonieta Fernández-Herrera
- Departamento de Física Aplicada, Centro de Investigación y de Estudios Avanzados, del Instituto Politécnico Nacional Unidad Mérida, Mérida, Yucatán, México
| | - Hilda Mercado-Uribe
- Centro de Investigación y de Estudios Avanzados, del Instituto Politécnico Nacional Unidad Monterrey, Apodaca, Nuevo León, México
- * E-mail:
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3
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Moskalensky AE, Karogodina TY, Vorobev AY, Sokolovski SG. Singlet oxygen luminescence detector based on low-cost InGaAs avalanche photodiode. HARDWAREX 2021; 10:e00224. [PMID: 35607681 PMCID: PMC9123435 DOI: 10.1016/j.ohx.2021.e00224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/14/2021] [Accepted: 08/11/2021] [Indexed: 06/15/2023]
Abstract
Molecular oxygen excited to singlet state (Singlet oxygen, 1O2) becomes highly reactive and cytotoxic chemical. 1O2 is commonly generated by photoexcitation of dyes (photosensitizers), including the photodynamic therapy and diagnostics of cancer. However, the formation of singlet oxygen is often unwanted for various light-sensitive compounds, e.g. it causes the photobleaching of fluorescent probes. In either case, during a development of new photosensitive chemicals and drugs there is a need to evaluate the amount of 1O2 formed during photoexcitation. The direct approach in measuring the amount of singlet oxygen is based on the detection of its luminescence at 1270 nm. However, this luminescence is usually weak, which implies the use of highly sensitive single-photon detectors. Thus the existing instruments are commonly complicated and expensive. Here we suggest an approach and report a device to measure the 1O2 luminescence using low-cost InGaAs avalanche photodiode and simple electronics. The measurements can be performed in stationary (not time-resolved) mode in organic solvents such as tetrachloromethane (CCl4), ethanol and DMSO. In particular, we performed spectral-resolved measurements of the singlet oxygen luminescence in CCl4 with the device and demonstrated high complementarity to literature data. The simple setup allows to evaluate the efficiency (or speed) of singlet oxygen generation and hence facilitates the development and characterization of new photosensitizers and other photosensitive chemicals.
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4
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Ossola R, Jönsson OM, Moor K, McNeill K. Singlet Oxygen Quantum Yields in Environmental Waters. Chem Rev 2021; 121:4100-4146. [PMID: 33683861 DOI: 10.1021/acs.chemrev.0c00781] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Singlet oxygen (1O2) is a reactive oxygen species produced in sunlit waters via energy transfer from the triplet states of natural sensitizers. There has been an increasing interest in measuring apparent 1O2 quantum yields (ΦΔ) of aquatic and atmospheric organic matter samples, driven in part by the fact that this parameter can be used for environmental fate modeling of organic contaminants and to advance our understanding of dissolved organic matter photophysics. However, the lack of reproducibility across research groups and publications remains a challenge that significantly limits the usability of literature data. In the first part of this review, we critically evaluate the experimental techniques that have been used to determine ΦΔ values of natural organic matter, we identify and quantify sources of errors that potentially explain the large variability in the literature, and we provide general experimental recommendations for future studies. In the second part, we provide a qualitative overview of known ΦΔ trends as a function of organic matter type, isolation and extraction procedures, bulk water chemistry parameters, molecular and spectroscopic organic matter features, chemical treatments, wavelength, season, and location. This review is supplemented with a comprehensive database of ΦΔ values of environmental samples.
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Affiliation(s)
- Rachele Ossola
- Institute of Biogeochemistry and Pollutant Dynamics (IBP), Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
| | - Oskar Martin Jönsson
- Institute of Biogeochemistry and Pollutant Dynamics (IBP), Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
| | - Kyle Moor
- Utah Water Research Laboratory, Department of Civil and Environmental Engineering, Utah State University, 84322 Logan, Utah, United States
| | - Kristopher McNeill
- Institute of Biogeochemistry and Pollutant Dynamics (IBP), Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
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5
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Peterson JC, Arrieta E, Ruggeri M, Silgado JD, Mintz KJ, Weisson EH, Leblanc RM, Kochevar I, Manns F, Parel JM. Detection of singlet oxygen luminescence for experimental corneal rose bengal photodynamic antimicrobial therapy. BIOMEDICAL OPTICS EXPRESS 2021; 12:272-287. [PMID: 33520385 PMCID: PMC7818961 DOI: 10.1364/boe.405601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/19/2020] [Accepted: 10/25/2020] [Indexed: 05/03/2023]
Abstract
Rose bengal photodynamic antimicrobial therapy (RB-PDAT) treats corneal infection by activating rose bengal (RB) with green light to produce singlet oxygen (1O2). Singlet oxygen dosimetry can help optimize treatment parameters. We present a 1O2 dosimeter for detection of 1O2 generated during experimental RB-PDAT. The system uses a 520 nm laser and an InGaAs photoreceiver with bandpass filters to detect 1O2 luminescence during irradiation. The system was validated in RB solutions and ex vivo in human donor eyes. The results demonstrate the feasibility of 1O2 dosimetry in an experimental model of RB-PDAT in the cornea.
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Affiliation(s)
- Jeffrey C Peterson
- Ophthalmic Biophysics Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 1638 NW 10th Ave, Miami, FL 33136, USA
- Department of Biomedical Engineering, University of Miami, 1251 Memorial Dr, Coral Gables, FL 33146, USA
- Miller School of Medicine, University of Miami, 1600 NW 10th Ave #1140, Miami, FL 33136, USA
| | - Esdras Arrieta
- Ophthalmic Biophysics Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 1638 NW 10th Ave, Miami, FL 33136, USA
| | - Marco Ruggeri
- Ophthalmic Biophysics Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 1638 NW 10th Ave, Miami, FL 33136, USA
- Department of Biomedical Engineering, University of Miami, 1251 Memorial Dr, Coral Gables, FL 33146, USA
| | - Juan D Silgado
- Ophthalmic Biophysics Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 1638 NW 10th Ave, Miami, FL 33136, USA
| | - Keenan J Mintz
- Department of Chemistry, University of Miami, 1301 Memorial Dr, Coral Gables, FL 33146, USA
| | - Ernesto H Weisson
- Miller School of Medicine, University of Miami, 1600 NW 10th Ave #1140, Miami, FL 33136, USA
| | - Roger M Leblanc
- Department of Chemistry, University of Miami, 1301 Memorial Dr, Coral Gables, FL 33146, USA
| | - Irene Kochevar
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, 50 Blossom Street, Boston, MA 02114, USA
| | - Fabrice Manns
- Ophthalmic Biophysics Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 1638 NW 10th Ave, Miami, FL 33136, USA
- Department of Biomedical Engineering, University of Miami, 1251 Memorial Dr, Coral Gables, FL 33146, USA
- Miller School of Medicine, University of Miami, 1600 NW 10th Ave #1140, Miami, FL 33136, USA
| | - Jean-Marie Parel
- Ophthalmic Biophysics Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 1638 NW 10th Ave, Miami, FL 33136, USA
- Department of Biomedical Engineering, University of Miami, 1251 Memorial Dr, Coral Gables, FL 33146, USA
- Anne Bates Leach Eye Center, Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 900 NW 17th St, Miami, FL 33136, USA
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6
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Kamanli AF, Çetinel G. Comparison of pulse and super pulse radiation modes’ singlet oxygen production effect in antimicrobial photodynamic therapy (AmPDT). Photodiagnosis Photodyn Ther 2020; 30:101706. [DOI: 10.1016/j.pdpdt.2020.101706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/08/2020] [Accepted: 02/28/2020] [Indexed: 10/24/2022]
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7
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Hwang GB, Huang H, Wu G, Shin J, Kafizas A, Karu K, Toit HD, Alotaibi AM, Mohammad-Hadi L, Allan E, MacRobert AJ, Gavriilidis A, Parkin IP. Photobactericidal activity activated by thiolated gold nanoclusters at low flux levels of white light. Nat Commun 2020; 11:1207. [PMID: 32139700 PMCID: PMC7057968 DOI: 10.1038/s41467-020-15004-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 02/11/2020] [Indexed: 12/29/2022] Open
Abstract
The emergence of antibiotic resistant bacteria is a major threat to the practice of modern medicine. Photobactericidal agents have obtained significant attention as promising candidates to kill bacteria, and they have been extensively studied. However, to obtain photobactericidal activity, an intense white light source or UV-activation is usually required. Here we report a photobactericidal polymer containing crystal violet (CV) and thiolated gold nanocluster ([Au25(Cys)18]) activated at a low flux levels of white light. It was shown that the polymer encapsulated with CV do not have photobactericidal activity under white light illumination of an average 312 lux. However, encapsulation of [Au25(Cys)18] and CV into the polymer activates potent photobactericidal activity. The study of the photobactericidal mechanism shows that additional encapsulation of [Au25(Cys)18] into the CV treated polymer promotes redox reactions through generation of alternative electron transfer pathways, while it reduces photochemical reaction type-ІІ pathways resulting in promotion of hydrogen peroxide (H2O2) production.
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Affiliation(s)
- Gi Byoung Hwang
- Materials Chemistry Research Centre, Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - He Huang
- Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Gaowei Wu
- Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Juhun Shin
- Materials Chemistry Research Centre, Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Andreas Kafizas
- Department of Chemistry, Imperial College London, Molecular Science Research Hub, White City Campus, 80 Wood Lane, London, W12 OBZ, UK
- Grantham Institute, Imperial College London, Exhibition Road, London, SW7 2AZ, UK
| | - Kersti Karu
- Materials Chemistry Research Centre, Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Hendrik Du Toit
- Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Abdullah M Alotaibi
- Materials Chemistry Research Centre, Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK
| | - Layla Mohammad-Hadi
- UCL Division of Surgery and Interventional Science, Royal Free Campus, Rowland Hill Street, London, NW3 2PF, UK
| | - Elaine Allan
- Department of Microbial Diseases, UCL Eastman Dental Institute, University College London, 256 Grays Inn Road, London, WC1X 8LD, UK
| | - Alexander J MacRobert
- UCL Division of Surgery and Interventional Science, Royal Free Campus, Rowland Hill Street, London, NW3 2PF, UK
| | - Asterios Gavriilidis
- Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Ivan P Parkin
- Materials Chemistry Research Centre, Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK.
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8
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Kamanli AF, Çetinel G, Yıldız MZ. A New handheld singlet oxygen detection system (SODS) and NIR light source based phantom environment for photodynamic therapy applications. Photodiagnosis Photodyn Ther 2019; 29:101577. [PMID: 31711998 DOI: 10.1016/j.pdpdt.2019.10.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 10/02/2019] [Accepted: 10/11/2019] [Indexed: 10/25/2022]
Abstract
Photodynamic therapy (PDT) is an emerging treatment modality in various areas such as cancer treatment and disinfection. The photosensitizer and oxygen have crucial roles for effective PDT treatment. The quantitative evaluation of singlet oxygen, which is a gold standard for monitoring effective treatment, remains as an important problem for PDT. However, low quantum yield and low life span of the singlet oxygen make the system expensive, unnecessarily large and unadaptable for clinical usage. In our study, a new mobile singlet oxygen detection system (SODS) was designed to detect singlet oxygen illumination during PDT and a new singlet oxygen phantom environment was constituted to test the designed SODS system. The singlet oxygen phantom environment composed of fast switching led driver & microcontroller and led light source (1200-1300 nm radiation). The elements of the singlet oxygen detection system are optic filter and collimation, avalanche photodiode transimpedance amplifier, differential amplifier and a signal processing block. According to the performance evaluation of the system on the phantom environment, the presented SODS can measure the illuminations at 1270 nm wavelength between 10 ns and 15 µs timespans. The results showed that the proposed system might be a good candidate for clinical PDT applications.
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Affiliation(s)
- Ali Furkan Kamanli
- Sakarya University of Applied Sciences, Faculty of Technology, Electrical and Electronics Engineering, Turkey.
| | - Gökçen Çetinel
- Sakarya University, Faculty of Engineering, Electrical and Electronics Engineering, Turkey
| | - Mustafa Zahid Yıldız
- Sakarya University of Applied Sciences, Faculty of Technology, Electrical and Electronics Engineering, Turkey
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9
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Lin CW, Bachilo SM, Weisman RB. Synchro-Excited Free-Running Single Photon Counting: A Novel Method for Measuring Short-Wave Infrared Emission Kinetics. Anal Chem 2019; 91:12484-12491. [PMID: 31483990 DOI: 10.1021/acs.analchem.9b03207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Time-resolved measurements of short-wave infrared (SWIR) photoluminescence on the submicrosecond to millisecond scale are needed for physical and chemical studies involving singlet oxygen, single-walled carbon nanotubes, and other samples with weak, slow emission. We present here an alternative to the common method of time-correlated single photon counting (TCSPC) that is well suited to indium gallium arsenide avalanche photodiode (APD) detectors operated in Geiger mode. In the new method, termed synchro-excited free-running single photon counting (SEFR-SPC), excitation pulses from inexpensive laser diodes (providing a variety of wavelengths) are synchronized to detection events from a free-running detector covering the 900 to 1700 nm range. In contrast to traditional TCSPC, data from this method can be rigorously corrected for pile-up distortions, allowing operation with high excitation powers and low repetition rates. A technique is described to extend the system's dynamic range to approximately 108. We also show that SEFR-SPC provides state-of-the-art sensitivity in the SWIR spectral region and that spectrally filtered kinetic data can offer additional insights. A six-step correction protocol has been developed and implemented as a LabVIEW program for very accurate acquisition of kinetic shapes. The SEFR-SPC method will be a valuable tool for studies of weak, long-lived emission sources.
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Affiliation(s)
- Ching-Wei Lin
- Department of Chemistry and the Smalley-Curl Institute , Rice University , Houston , Texas 77005 , United States
| | - Sergei M Bachilo
- Department of Chemistry and the Smalley-Curl Institute , Rice University , Houston , Texas 77005 , United States
| | - R Bruce Weisman
- Department of Chemistry and the Smalley-Curl Institute , Rice University , Houston , Texas 77005 , United States.,Department of Materials Science and NanoEngineering , Rice University , Houston , Texas 77005 , United States
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10
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Park C, Cho SB, Park CY, Baek S, Han SK. Dual anode single-photon avalanche diode for high-speed and low-noise Geiger-mode operation. OPTICS EXPRESS 2019; 27:18201-18209. [PMID: 31252767 DOI: 10.1364/oe.27.018201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
The after-pulsing effect is a common problem in high-speed and low-noise single-photon detection based on single-photon avalanche diodes (SPADs). This article presents a dual anode InGaAs/InP SPAD (DA-SPAD) with two separate anode output ports that can be utilized for discriminating relatively weak avalanche signals, providing a simple and robust configuration of the SPAD-based single-photon detection system. Weak avalanche signals with amplitudes below the amplitude of the parasitic capacitive response of the SPAD were easily detected by the DA-SPAD and a simple subtraction circuit. The gated Geiger-mode performance of the DA-SPAD was also investigated. At a gating frequency of 1 GHz, the detection efficiency was 20.4% with an after-pulse probability of 3.5% at a temperature of -20 °C.
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11
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Sakamaki Y, Ozdemir J, Heidrick Z, Watson O, Shahsavari HR, Fereidoonnezhad M, Khosropour AR, Beyzavi MH. Metal–Organic Frameworks and Covalent Organic Frameworks as Platforms for Photodynamic Therapy. COMMENT INORG CHEM 2019. [DOI: 10.1080/02603594.2018.1542597] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Yoshie Sakamaki
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - John Ozdemir
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Zachary Heidrick
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Olivia Watson
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Hamid R. Shahsavari
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
| | - Masood Fereidoonnezhad
- Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ahmad R. Khosropour
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
- Department of Chemistry, University of Isfahan, Isfahan, Iran
| | - M. Hassan Beyzavi
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
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12
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Kabanov V, Ghosh S, Lovell JF, Heyne B. Singlet oxygen partition between the outer-, inner- and membrane-phases of photo/chemotherapeutic liposomes. Phys Chem Chem Phys 2019; 21:25054-25064. [DOI: 10.1039/c9cp05159g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Herein, we developed a strategy to quantify the fraction of singlet oxygen lifetime spent in the three distinct local liposomal environments through the combination of direct and indirect singlet oxygen detection approaches.
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Affiliation(s)
| | - Sanjana Ghosh
- Department of Biomedical Engineering
- University at Buffalo
- Buffalo
- USA
| | | | - Belinda Heyne
- Department of Chemistry
- University of Calgary
- Calgary
- Canada
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13
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Bouilloux J, Yushchenko O, Dereka B, Boso G, Babič A, Zbinden H, Vauthey E, Lange N. Cyclopeptidic photosensitizer prodrugs as proteolytically triggered drug delivery systems of pheophorbide A: part II - co-loading of pheophorbide A and black hole quencher. Photochem Photobiol Sci 2018; 17:1739-1748. [PMID: 30215090 DOI: 10.1039/c8pp00318a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Previously, we have shown that the use of a cyclopeptidic carrier could be of great interest for the design of fully characterized prodrugs for further use in photodynamic therapy. In order to further optimize the design, we decided to modify the highly quenched conjugate uPA-cPPP4/5 by co-loading a long-distance fluorescence quencher. For this purpose we tethered two black hole quenchers (BHQ3) together with two pheophorbide A moities onto the same PEGylated backbone and assessed the modified photophysical properties. In addition, to prove the reliability of our concept, we designed two analogues, uPA-cPPQ2+2/5 and CathB-cPPQ2+2/5, by using two different peptidic linkers as substrates for uPA and cathepsin B, respectively. These two conjugates proved to be much more water-soluble than their analogues bearing only Phas. These conjugates are not only highly quenched in their native state with regard to their fluorescence emission (up to 850 ± 287 times less fluorescent for CathB-cPPQ2+2/5 as compared to the unquenched monosubstituted reference uPA-cPPP1/5), but also prevent singlet oxygen production (with a total quenching of the emission when the quenchers are co-loaded with photosensitizers) when the photosentistizers are excited. After proteolytic activation, these conjugates recover their photophysical properties in the same way as occurred for uPA-cPPP4/5, with up to a 120-fold increase in fluorescence emission for uPA-cPPQ2+2/5 after two hours of incubation with uPA.
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Affiliation(s)
- Jordan Bouilloux
- School of Pharmaceutical Sciences, Laboratory of Pharmaceutical Technology, University of Geneva, University of Lausanne, Rue Michel-Servet 1, Genève 4, CH-1211, Switzerland.
| | - Oleksandr Yushchenko
- School of Chemistry and Biochemistry, Department of Physical Chemistry, Ultrafast Photochemistry, University of Geneva, Quai Ernest-Ansermet 30, Genève 4, CH-1211, Switzerland
| | - Bogdan Dereka
- School of Chemistry and Biochemistry, Department of Physical Chemistry, Ultrafast Photochemistry, University of Geneva, Quai Ernest-Ansermet 30, Genève 4, CH-1211, Switzerland
| | - Gianluca Boso
- Group of Applied Physics, University of Geneva, Chemin de Pinchat 22, Genève 4, CH-1211, Switzerland
| | - Andréj Babič
- School of Pharmaceutical Sciences, Laboratory of Pharmaceutical Technology, University of Geneva, University of Lausanne, Rue Michel-Servet 1, Genève 4, CH-1211, Switzerland.
| | - Hugo Zbinden
- Group of Applied Physics, University of Geneva, Chemin de Pinchat 22, Genève 4, CH-1211, Switzerland
| | - Eric Vauthey
- School of Chemistry and Biochemistry, Department of Physical Chemistry, Ultrafast Photochemistry, University of Geneva, Quai Ernest-Ansermet 30, Genève 4, CH-1211, Switzerland
| | - Norbert Lange
- School of Pharmaceutical Sciences, Laboratory of Pharmaceutical Technology, University of Geneva, University of Lausanne, Rue Michel-Servet 1, Genève 4, CH-1211, Switzerland.
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14
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Williams GOS, Euser TG, Russell PSJ, MacRobert AJ, Jones AC. Highly Sensitive Luminescence Detection of Photosensitized Singlet Oxygen within Photonic Crystal Fibers. CHEMPHOTOCHEM 2018. [DOI: 10.1002/cptc.201800028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Gareth O. S. Williams
- EaStCHEM School of Chemistry Joseph Black Building; The University of Edinburgh; Edinburgh EH9 3FJ UK
| | - Tijmen G. Euser
- Max-Planck Institute for the Science of Light Staudtstr 2; 91058 Erlangen Germany
- NanoPhotonics Centre Cavendish Laboratory; University of Cambridge; J. J. Thomson Avenue Cambridge CB3 0HE UK
| | | | - Alexander J. MacRobert
- Division of Surgery & Interventional Science; University College London; Charles Bell House London W1W 7TS UK
| | - Anita C. Jones
- EaStCHEM School of Chemistry Joseph Black Building; The University of Edinburgh; Edinburgh EH9 3FJ UK
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15
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Bouilloux J, Yuschenko O, Dereka B, Boso G, Zbinden H, Vauthey E, Babič A, Lange N. Cyclopeptidic photosensitizer prodrugs as proteolytically triggered drug delivery systems of pheophorbide A: part I – self-quenched prodrugs. Photochem Photobiol Sci 2018; 17:1728-1738. [DOI: 10.1039/c8pp00317c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
RAFTs bearing multiple copies of pheophorbide A allow perfectly defined photosensitizer prodrugs.
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Affiliation(s)
- Jordan Bouilloux
- School of Pharmaceutical Sciences
- Laboratory of Pharmaceutical Technology
- University of Geneva
- University of Lausanne
- Genève 4
| | - Oleksandr Yuschenko
- School of Chemistry and Biochemistry
- Department of Physical Chemistry
- Ultrafast Photochemistry
- University of Geneva
- Genève 4
| | - Bogdan Dereka
- School of Chemistry and Biochemistry
- Department of Physical Chemistry
- Ultrafast Photochemistry
- University of Geneva
- Genève 4
| | - Gianluca Boso
- Group of Applied Physics
- University of Geneva
- Genève 4
- Switzerland
| | - Hugo Zbinden
- Group of Applied Physics
- University of Geneva
- Genève 4
- Switzerland
| | - Eric Vauthey
- School of Chemistry and Biochemistry
- Department of Physical Chemistry
- Ultrafast Photochemistry
- University of Geneva
- Genève 4
| | - Andréj Babič
- School of Pharmaceutical Sciences
- Laboratory of Pharmaceutical Technology
- University of Geneva
- University of Lausanne
- Genève 4
| | - Norbert Lange
- School of Pharmaceutical Sciences
- Laboratory of Pharmaceutical Technology
- University of Geneva
- University of Lausanne
- Genève 4
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16
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Gemmell NR, McCarthy A, Kim MM, Veilleux I, Zhu TC, Buller GS, Wilson BC, Hadfield RH. A compact fiber-optic probe-based singlet oxygen luminescence detection system. JOURNAL OF BIOPHOTONICS 2017; 10:320-326. [PMID: 27455426 PMCID: PMC5266677 DOI: 10.1002/jbio.201600078] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/02/2016] [Accepted: 07/03/2016] [Indexed: 05/26/2023]
Abstract
This paper presents a novel compact fiberoptic based singlet oxygen near-infrared luminescence probe coupled to an InGaAs/InP single photon avalanche diode (SPAD) detector. Patterned time gating of the single-photon detector is used to limit unwanted dark counts and eliminate the strong photosensitizer luminescence background. Singlet oxygen luminescence detection at 1270 nm is confirmed through spectral filtering and lifetime fitting for Rose Bengal in water, and Photofrin in methanol as model photosensitizers. The overall performance, measured by the signal-to-noise ratio, improves by a factor of 50 over a previous system that used a fiberoptic-coupled superconducting nanowire single-photon detector. The effect of adding light scattering to the photosensitizer is also examined as a first step towards applications in tissue in vivo.
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Affiliation(s)
- Nathan R. Gemmell
- Division of Electronic and Nanoscale EngineeringUniversity of GlasgowUK
| | - Aongus McCarthy
- Institute of Photonics and Quantum SciencesHeriot‐Watt UniversityEdinburghEH14 4ASUK
| | - Michele M. Kim
- Department of Radiation OncologyUniversity of PennsylvaniaUSA
| | | | - Timothy C. Zhu
- Department of Radiation OncologyUniversity of PennsylvaniaUSA
| | - Gerald S. Buller
- Institute of Photonics and Quantum SciencesHeriot‐Watt UniversityEdinburghEH14 4ASUK
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17
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Amri E, Boso G, Korzh B, Zbinden H. Temporal jitter in free-running InGaAs/InP single-photon avalanche detectors. OPTICS LETTERS 2016; 41:5728-5731. [PMID: 27973517 DOI: 10.1364/ol.41.005728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Negative-feedback avalanche diodes (NFADs) provide a practical solution for different single-photon counting applications requiring free-running mode operation with low afterpulsing probability. Unfortunately, the timing jitter has never been as good as for gated InGaAs/InP single-photon avalanche diodes. Here we report on the timing jitter characterization of InGaAs/InP based NFADs with particular focus on the temperature dependence and the effect of carrier transport between the absorption and multiplication regions. Values as low as 52 ps full-width at half-maximum were obtained at an excess bias voltage of 3.5 V and an operating temperature of around -100°C.
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18
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Li B, Lin L, Lin H, Wilson BC. Photosensitized singlet oxygen generation and detection: Recent advances and future perspectives in cancer photodynamic therapy. JOURNAL OF BIOPHOTONICS 2016; 9:1314-1325. [PMID: 27136270 DOI: 10.1002/jbio.201600055] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 04/11/2016] [Accepted: 04/12/2016] [Indexed: 05/03/2023]
Abstract
Photodynamic therapy (PDT) uses photosensitizers and visible light in combination with molecular oxygen to produce reactive oxygen species (ROS) that kill malignant cells by apoptosis and/or necrosis, shut down the tumor microvasculature and stimulate the host immune system. The excited singlet state of oxygen (1 O2 ) is recognized to be the main cytotoxic ROS generated during PDT for the majority of photosensitizers used clinically and for many investigational new agents, so that maximizing its production within tumor cells and tissues can improve the therapeutic response, and several emerging and novel approaches for this are summarized. Quantitative techniques for 1 O2 production measurement during photosensitization are also of immense importance of value for both preclinical research and future clinical practice. In this review, emerging strategies for enhanced photosensitized 1 O2 generation are introduced, while recent advances in direct detection and imaging of 1 O2 luminescence are summarized. In addition, the correlation between cumulative 1 O2 luminescence and PDT efficiency will be highlighted. Meanwhile, the validation of 1 O2 luminescence dosimetry for PDT application is also considered. This review concludes with a discussion on future demands of 1 O2 luminescence detection for PDT dosimetry, with particular emphasis on clinical translation. Eye-catching color image for graphical abstract.
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Affiliation(s)
- Buhong Li
- MOE Key Laboratory of OptoElectronic Science and Technology for Medicine, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Lisheng Lin
- MOE Key Laboratory of OptoElectronic Science and Technology for Medicine, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Huiyun Lin
- MOE Key Laboratory of OptoElectronic Science and Technology for Medicine, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Brian C Wilson
- Department of Medical Biophysics, University of Toronto/University Health Network, Toronto, Ontario M5G 1L7, Canada
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19
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Cho SJ, Kim SY, Park SJ, Song N, Kwon HY, Kang NY, Moon SH, Chang YT, Cha HJ. Photodynamic Approach for Teratoma-Free Pluripotent Stem Cell Therapy Using CDy1 and Visible Light. ACS CENTRAL SCIENCE 2016; 2:604-607. [PMID: 27725957 PMCID: PMC5043430 DOI: 10.1021/acscentsci.6b00099] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Indexed: 05/03/2023]
Abstract
Pluripotent stem cells (PSC) are promising resources for regeneration therapy, but teratoma formation is one of the critical problems for safe clinical application. After differentiation, the precise detection and subsequent elimination of undifferentiated PSC is essential for teratoma-free stem cell therapy, but a practical procedure is yet to be developed. CDy1, a PSC specific fluorescent probe, was investigated for the generation of reactive oxygen species (ROS) and demonstrated to induce selective death of PSC upon visible light irradiation. Importantly, the CDy1 and/or light irradiation did not negatively affect differentiated endothelial cells. The photodynamic treatment of PSC with CDy1 and visible light irradiation confirmed the inhibition of teratoma formation in mice, and suggests a promising new approach to safe PSC-based cell therapy.
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Affiliation(s)
- Seung-Ju Cho
- Department
of Life Sciences, Sogang University, 35 Baeckbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
- Research
Institute for Basic Sciences, Sogang University, 35 Baeckbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - So-Yeon Kim
- Department
of Life Sciences, Sogang University, 35 Baeckbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Soon-Jung Park
- Department
of Medicine, School of Medicine, Konkuk
University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Naree Song
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Haw-Young Kwon
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Nam-Young Kang
- Singapore
Bioimaging Consortium (SBIC) Agency for Science, Technology and Research
(A-STAR) 11 Biopolis
Way, #02-02 Helios, 138667, Singapore
| | - Sung-Hwan Moon
- Department
of Medicine, School of Medicine, Konkuk
University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Young-Tae Chang
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
- Singapore
Bioimaging Consortium (SBIC) Agency for Science, Technology and Research
(A-STAR) 11 Biopolis
Way, #02-02 Helios, 138667, Singapore
- E-mail:
| | - Hyuk-Jin Cha
- Department
of Life Sciences, Sogang University, 35 Baeckbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
- E-mail:
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20
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Shcheslavskiy V, Morozov P, Divochiy A, Vakhtomin Y, Smirnov K, Becker W. Ultrafast time measurements by time-correlated single photon counting coupled with superconducting single photon detector. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:053117. [PMID: 27250402 DOI: 10.1063/1.4948920] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Time resolution is one of the main characteristics of the single photon detectors besides quantum efficiency and dark count rate. We demonstrate here an ultrafast time-correlated single photon counting (TCSPC) setup consisting of a newly developed single photon counting board SPC-150NX and a superconducting NbN single photon detector with a sensitive area of 7 × 7 μm. The combination delivers a record instrument response function with a full width at half maximum of 17.8 ps and system quantum efficiency ∼15% at wavelength of 1560 nm. A calculation of the root mean square value of the timing jitter for channels with counts more than 1% of the peak value yielded about 7.6 ps. The setup has also good timing stability of the detector-TCSPC board.
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Affiliation(s)
- V Shcheslavskiy
- Becker & Hickl GmbH, Nahmitzer Damm 30, 12277 Berlin, Germany
| | - P Morozov
- Scontel, Rossolimo St., 5/22-1, Moscow 119021, Russian Federation
| | - A Divochiy
- Scontel, Rossolimo St., 5/22-1, Moscow 119021, Russian Federation
| | - Yu Vakhtomin
- Scontel, Rossolimo St., 5/22-1, Moscow 119021, Russian Federation
| | - K Smirnov
- Scontel, Rossolimo St., 5/22-1, Moscow 119021, Russian Federation
| | - W Becker
- Becker & Hickl GmbH, Nahmitzer Damm 30, 12277 Berlin, Germany
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