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Huang R, Liu T, Peng H, Liu J, Liu X, Ding L, Fang Y. Molecular design and architectonics towards film-based fluorescent sensing. Chem Soc Rev 2024; 53:6960-6991. [PMID: 38836431 DOI: 10.1039/d4cs00347k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
The past few decades have witnessed encouraging progress in the development of high-performance film-based fluorescent sensors (FFSs) for detecting explosives, illicit drugs, chemical warfare agents (CWAs), and hazardous volatile organic chemicals (VOCs), among others. Several FFSs have transitioned from laboratory research to real-world applications, demonstrating their practical relevance. At the heart of FFS technology lies the sensing films, which play a crucial role in determining the analytes and the resulting signals. The selection of sensing fluorophores and the fabrication strategies employed in film construction are key factors that influence the fluorescence properties, active-layer structures, and overall sensing behaviors of these films. This review examines the progress and innovations in the research field of FFSs over the past two decades, focusing on advancements in fluorophore design and active-layer structural engineering. It underscores popular sensing fluorophore scaffolds and the dynamics of excited state processes. Additionally, it delves into six distinct categories of film fabrication technologies and strategies, providing insights into their advantages and limitations. This review further addresses important considerations such as photostability and substrate effects. Concluding with an overview of the field's challenges and prospects, it sheds light on the potential for further development in this burgeoning area.
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Affiliation(s)
- Rongrong Huang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, West Chang'an Street, Xi'an, Shaanxi 710062, P. R. China.
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.
| | - Taihong Liu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, West Chang'an Street, Xi'an, Shaanxi 710062, P. R. China.
| | - Haonan Peng
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, West Chang'an Street, Xi'an, Shaanxi 710062, P. R. China.
| | - Jing Liu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, West Chang'an Street, Xi'an, Shaanxi 710062, P. R. China.
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, West Chang'an Street, Xi'an, Shaanxi 710062, P. R. China.
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, West Chang'an Street, Xi'an, Shaanxi 710062, P. R. China.
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Russegger A, Fischer SM, Debruyne AC, Wiltsche H, Boese AD, Dmitriev RI, Borisov SM. Tunable Self-Referenced Molecular Thermometers via Manipulation of Dual Emission in Platinum(II) Pyridinedipyrrolide Complexes. ACS APPLIED MATERIALS & INTERFACES 2024; 16:11930-11943. [PMID: 38390631 PMCID: PMC10921383 DOI: 10.1021/acsami.3c19226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/02/2024] [Accepted: 02/11/2024] [Indexed: 02/24/2024]
Abstract
Optical temperature sensors based on self-referenced readout schemes such as the emission ratio and the decay time are crucial for a wide range of applications, with the former often preferred due to simplicity of instrumentation. This work describes a new group of dually emitting dyes, platinum(II) pincer complexes, that can be used directly for ratiometric temperature sensing without an additional reference material. They consist of Pt(II) metal center surrounded by a pyridinedipyrrolide ligand (PDP) and a terminal ligand (benzonitrile, pyridine, 1-butylimidazol or carbon monoxide). Upon excitation with blue light, these complexes exhibit green to orange emission, with quantum yields in anoxic toluene at 25 °C ranging from 13% to 86% and decay times spanning from 8.5 to 97 μs. The emission is attributed to simultaneous thermally activated delayed fluorescence (TADF) and phosphorescence processes on the basis of photophysical investigations and DFT calculations. Rather uniquely, simple manipulations in substituents of the PDP ligand and alteration of the terminal ligand allow fine-tuning of the ratio between TADF and phosphorescence from almost 100% TADF emission (Pt(MesPDPC6F5(BN)) to over 80% of phosphorescence (Pt(PhPDPPh(BuIm)). Apart from ratiometric capabilities, the complexes also are useful as decay time-based temperature indicators with temperature coefficients exceeding 1.5% K-1 in most cases. Immobilization of the dyes into oxygen-impermeable polyacrylonitrile produces temperature sensing materials that can be read out with an ordinary RGB camera or a smartphone. In addition, Pt(PhPDPPh)Py can be incorporated into biocompatible RL100 nanoparticles suitable for cellular nanothermometry, as we demonstrate with temperature measurements in multicellular colon cancer spheroids.
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Affiliation(s)
- Andreas Russegger
- Institute
of Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9, Graz 8010, Austria
| | - Susanne M. Fischer
- Physical
and Theoretical Chemistry, Institute of Chemistry, University of Graz, Heinrichstrasse 28/IV, Graz 8010, Austria
| | - Angela C. Debruyne
- Tissue
Engineering and Biomaterials Group, Department of Human Structure
and Repair, Faculty of Medical and Health Sciences, Ghent University, C.
Heymanslaan 10, Ghent 9000, Belgium
| | - Helmar Wiltsche
- Institute
of Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9, Graz 8010, Austria
| | - A. Daniel Boese
- Physical
and Theoretical Chemistry, Institute of Chemistry, University of Graz, Heinrichstrasse 28/IV, Graz 8010, Austria
| | - Ruslan I. Dmitriev
- Tissue
Engineering and Biomaterials Group, Department of Human Structure
and Repair, Faculty of Medical and Health Sciences, Ghent University, C.
Heymanslaan 10, Ghent 9000, Belgium
- Ghent
Light Microscopy Core, Ghent University, Ghent 9000, Belgium
| | - Sergey M. Borisov
- Institute
of Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9, Graz 8010, Austria
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Li W, McLeod D, Ketzenberger JT, Kowalik G, Russo R, Li Z, Kay MW, Entcheva E. High-throughput optical sensing of peri-cellular oxygen in cardiac cells: system characterization, calibration, and testing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.24.538133. [PMID: 37163022 PMCID: PMC10168216 DOI: 10.1101/2023.04.24.538133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) represent a scalable experimental model relevant to human physiology. Oxygen consumption of hiPSC-CMs has not been studied in high-throughput (HT) format plates used in pre-clinical studies. Here, we provide comprehensive characterization and validation of a system for HT long-term optical measurements of peri-cellular oxygen in cardiac syncytia (human iPSC-CM and human cardiac fibroblasts), grown in glass-bottom 96-well plates. Laser-cut oxygen sensors having a ruthenium dye and an oxygen-insensitive reference dye were used. Ratiometric measurements (409nm excitation) reflected dynamic changes in oxygen, as validated with simultaneous Clark electrode measurements. Emission ratios (653nm vs. 510nm) were calibrated for percent oxygen using two-point calibration. Time-dependent changes in the Stern-Volmer parameter, Ksv, were observed during the initial 40 min of incubation, likely temperature-related. Effects of pH on oxygen measurements were negligible in the pH range of 4 to 8, with a small ratio reduction for pH>10. Time-dependent calibration was implemented, and light exposure time was optimized (0.6 to 0.8s) for oxygen measurements inside an incubator. Peri-cellular oxygen dropped to levels < 5% within 3 -10 hours for densely-plated hiPSC-CMs in glass-bottom 96-well plates. After the initial oxygen decrease, samples either settled to low steady-state or exhibited intermittent peri-cellular oxygen dynamics. Cardiac fibroblasts showed slower oxygen depletion and higher steady-state levels without oscillations, compared to hiPSC-CMs. Overall, the system has great utility for long-term HT monitoring of peri-cellular oxygen dynamics in vitro for tracking cellular oxygen consumption, metabolic perturbations, and characterization of the maturation of hiPSC-CMs.
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Wen Y, Zhang S, Yuan W, Feng W, Li F. Afterglow/Fluorescence Dual-Emissive Ratiometric Oxygen Probe for Tumor Hypoxia Imaging. Anal Chem 2023; 95:2478-2486. [PMID: 36649320 DOI: 10.1021/acs.analchem.2c04764] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Hypoxia is a common feature of many diseases such as solid tumors. The measurement and imaging of oxygen (O2) are extremely important for disease diagnosis and therapy evaluation. In this work, the afterglow/fluorescence dual-emissive ratiometric O2 probe based on a photochemical reaction-based afterglow system is reported. The afterglow is highly sensitive to O2 because the O2 content is directly related to the 1O2 yield and eventually affects the afterglow intensity. The O2-insensitive fluorescence of an emitter can serve as an internal reference. As the O2 concentration changes from 0.08 to 18.5 mg L-1, the ratio value shows a remarkable 53-fold increase. Compared with the intensity of a single peak, the ratiometric signal can eliminate the interference of the probe concentration to achieve higher accuracy. This afterglow/fluorescence dual-emissive ratiometric O2 probe is successfully applied to hypoxia imaging in tumor-bearing mice, which may further promote the development of O2 sensing in the biomedical field.
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Affiliation(s)
- Yue Wen
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Yiwu Research Institute, Fudan University, Shanghai200433, P. R. China
| | - Sidi Zhang
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Yiwu Research Institute, Fudan University, Shanghai200433, P. R. China
| | - Wei Yuan
- Department of Chemistry & Institute of Optoelectronics, Fudan University, Shanghai200433, P. R. China
| | - Wei Feng
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Yiwu Research Institute, Fudan University, Shanghai200433, P. R. China
| | - Fuyou Li
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Yiwu Research Institute, Fudan University, Shanghai200433, P. R. China
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Saini A, Rai S, Maiti D, Dutta A. Exploring the Cobalt-Histidine Complex for Wide-Ranging Colorimetric O 2 Detection. ACS OMEGA 2022; 7:27734-27741. [PMID: 35967046 PMCID: PMC9366964 DOI: 10.1021/acsomega.2c03904] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
Developing a robust, cost-effective, and user-friendly sensor for monitoring molecular oxygen (O2) ranging from a minute to a medically relevant level (85-100%) in a stream of flowing breathable gas is vital in various industrial domains. Here, we report an innovative application of the cobalt(l-histidine)2 complex, a bioinspired model of O2-carrying metalloproteins, for rapid and reliable sensing of O2 from 0 to 100% saturation levels under realistic conditions. We have established two distinct colorimetric O2 detection techniques, which can be executed with the use of a common smartphone camera and readily available color-detecting software. A series of spectroscopic experiments were performed to demonstrate the molecular-level alteration in cobalt(l-histidine)2 following its exposure to oxygen, leading to an exclusive pink-to-brown color change. Therefore, this study establishes a template for designing bioinspired molecular complexes for O2 sensing, leading to practical and straightforward solutions. This metal-amino acid complex's broad-spectrum sensing of O2 has widened the scope of bioinspired model complexes for divergent applications in industrial sectors.
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Affiliation(s)
- Abhishek Saini
- Chemistry
Department, Indian Institute of Technology
Bombay, Powai, Mumbai 400076, India
| | - Surabhi Rai
- Chemistry
Department, Indian Institute of Technology
Bombay, Powai, Mumbai 400076, India
- National
Center of Excellence in CCU, Indian Institute
of Technology Bombay, Powai, Mumbai 400076, India
| | - Debabrata Maiti
- Chemistry
Department, Indian Institute of Technology
Bombay, Powai, Mumbai 400076, India
- Interdisciplinary
Program in Climate Studies, Indian Institute
of Technology Bombay, Powai, Mumbai 400076, India
| | - Arnab Dutta
- Chemistry
Department, Indian Institute of Technology
Bombay, Powai, Mumbai 400076, India
- Interdisciplinary
Program in Climate Studies, Indian Institute
of Technology Bombay, Powai, Mumbai 400076, India
- National
Center of Excellence in CCU, Indian Institute
of Technology Bombay, Powai, Mumbai 400076, India
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Liu T, Zhang X, Zhang H, Zhao H, Zhang Z, Tian Y. Kinetics process of room temperature phosphorescence and fluorescence of gadolinium porphyrin in aqueous solution. J RARE EARTH 2021. [DOI: 10.1016/j.jre.2020.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Koop-Jakobsen K, Meier RJ, Mueller P. Plant-Mediated Rhizosphere Oxygenation in the Native Invasive Salt Marsh Grass Elymus athericus. FRONTIERS IN PLANT SCIENCE 2021; 12:669751. [PMID: 34177984 PMCID: PMC8222977 DOI: 10.3389/fpls.2021.669751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 05/03/2021] [Indexed: 06/13/2023]
Abstract
In the last decades, the spread of Elymus athericus has caused significant changes to the plant community composition and ecosystem services of European marshes. The distribution of E. athericus was typically limited by soil conditions characteristic for high marshes, such as low flooding frequency and high soil aeration. However, recently the spread of E. athericus has begun to also include low-marsh environments. A high-marsh ecotype and a low-marsh ecotype of E. athericus have been described, where the latter possess habitat-specific phenotypic traits facilitating a better adaption for inhabiting low-marsh areas. In this study, planar optodes were applied to investigate plant-mediated sediment oxygenation in E. athericus, which is a characteristic trait for marsh plants inhabiting frequently flooded environments. Under waterlogged conditions, oxygen (O2) was translocated from aboveground sources to the roots, where it leaked out into the surrounding sediment generating oxic root zones below the sediment surface. Oxic root zones were clearly visible in the optode images, and no differences were found in the O2-leaking capacity between ecotypes. Concentration profiles measured perpendicular to the roots revealed that the radius of the oxic root zones ranged from 0.5 to 2.6 mm measured from the root surface to the bulk anoxic sediment. The variation of oxic root zones was monitored over three consecutive light-dark cycles (12 h/12 h). The O2 concentration of the oxic root zones was markedly reduced in darkness, yet the sediment still remained oxic in the immediate vicinity of the roots. Increased stomatal conductance improving the access to atmospheric O2 as well as photosynthetic O2 production are likely factors facilitating the improved rhizosphere oxygenation during light exposure of the aboveground biomass. E. athericus' capacity to oxygenate its rhizosphere is an inheritable trait that may facilitate its spread into low-marsh areas. Furthermore, this trait makes E. athericus a highly competitive species in marshes facing the effects of accelerated sea-level rise, where waterlogged sediment conditions could become increasingly pronounced.
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Affiliation(s)
- Ketil Koop-Jakobsen
- Wadden Sea Station, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), List/Sylt, Germany
| | | | - Peter Mueller
- Institute of Soil Science, Center for Earth System Research and Sustainability, Universität Hamburg, Hamburg, Germany
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Auerswald S, Schreml S, Meier R, Blancke Soares A, Niyazi M, Marschner S, Belka C, Canis M, Haubner F. Wound monitoring of pH and oxygen in patients after radiation therapy. Radiat Oncol 2019; 14:199. [PMID: 31711506 PMCID: PMC6849199 DOI: 10.1186/s13014-019-1413-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 10/30/2019] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES Postradiogenic wound healing disorders are an important clinical problem. While a variety of treatment modalities are available, there is no strategy to objectively judge treatment success. The aim of this study was to evaluate a 2D luminescence imaging system for pH and oxygen in non-healing wounds after radiotherapy. METHODS Luminescence 2D imaging was performed with the VisiSens (Presens, Regensburg, Germany) 2D imaging systems A1 and A2 for oxygen and pH, respectively. Biocompatible planar luminescent sensor foils were applied to non-irradiated and irradiated skin as well as to radiogenic wounds of five patients and the pH and the oxygen saturation was determined. RESULTS pH measurements showed significant differences between non-irradiated skin (6.46 ± 0.18) and irradiated skin (6.96 ± 0.26). Radiogenic wounds exhibited the highest pH values (7.53 ± 0.26). Oxygen measurements revealed a mean oxygen saturation of non-irradiated skin of 6.19 ± 0.83 mmHg. The highest value of oxygen saturation (28.4 ± 2.4 mmHg) was found on irradiated skin while irradiated wounds had a poor oxygen saturation (9.4 ± 2.2 mmHg) (mean ± s.e.m.). CONCLUSION We found that routine measurement of pH and pO2 in patients could be easily integrated into the clinical routine. The results of the measurements show unfavorable pH and oxygen saturation conditions for wound healing in irradiated wounds. Interestingly, irradiated wounds exhibit a more pronounced hypoxia than irradiated skin which is reflected by an altered pH and pO2 compared to unirradiated skin, which has the potential to serve as a prognostic marker in the future. In addition to the objectification of the treatment success of postradiogenic wound healing disorders, the extent of skin toxicity could already be predicted during radiotherapy with this method.
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Affiliation(s)
- Steffen Auerswald
- Department of Otorhinolaryngology, University Medical Center Regensburg, Regensburg, Germany
| | - Stephan Schreml
- Department of Dermatology, University Medical Center Regensburg, Regensburg, Germany
| | | | - Alexandra Blancke Soares
- Department of Otorhinolaryngology, University Medical Center Munich, Klinikum Großhadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Maximilian Niyazi
- Department of Radiation Oncology, University Medical Center Munich, Munich, Germany
| | - Sebastian Marschner
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Claus Belka
- Department of Radiation Oncology, University Medical Center Munich, Munich, Germany
| | - Martin Canis
- Department of Otorhinolaryngology, University Medical Center Munich, Klinikum Großhadern, Marchioninistr. 15, 81377, Munich, Germany
| | - Frank Haubner
- Department of Otorhinolaryngology, University Medical Center Munich, Klinikum Großhadern, Marchioninistr. 15, 81377, Munich, Germany.
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Schiltz D, Taeger CD, Biermann N, Ranieri M, Klein S, Prantl L, Geis S. Transcutaneous oxygen measurement using ratiometric fluorescence imaging as a valid method for monitoring free flap transplants. Clin Hemorheol Microcirc 2019; 73:113-123. [PMID: 31561353 DOI: 10.3233/ch-199225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Reconstruction of soft tissue defects with free flaps is a common procedure in plastic and reconstructive surgery. Most postoperative complications occur within the first 48-72 hours after surgery. After postoperative complications, short perfusion restoration times may improve flap survival rates by up to 30-50%. Ratiometric fluorescence imaging is an additional or alternative method of postoperative flap monitoring. OBJECTIVE To test the efficacy and utility of transepidermal oxygen flux imaging to evaluate postoperative skin oxygenation of free and local flaps in the first 48 hours after surgery. METHODS The study included 32 patients (aged between 18 and 80 years; mean age 52.9) with a tissue defect covered with a free flap transplant at the Department of Plastic and Reconstructive Surgery of the University Medical Center Regensburg. Postoperative oxygen flux was measured with the 'VisiSens system' placed on the vascular pedicle as well as on the peripheral and central part of the flap. RESULTS Values of oxygen flux were higher in case of flap congestion (0.069±0.012) or flap necrosis (0.155±0.083) than in cases without any complications (0.061±0.006). Flux values of different areas of the same flap showed only minimal differences (central part: 0.065±0.008, peripheral part: 0.070±0.009, vascular pedicle: 0.056±0.004); the level of significance was p = 0.904. CONCLUSION Imaging transepidermal oxygen flux by ratiometric luminescence seems to be a reliable alternative, indirect method of postoperative flap monitoring with regard to microcirculatory function and flap viability.
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Affiliation(s)
- Daniel Schiltz
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
| | - Christian D Taeger
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
| | - Niklas Biermann
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
| | - Marco Ranieri
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
| | - Silvan Klein
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
| | - Lukas Prantl
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
| | - Sebastian Geis
- Department of Plastic, Reconstructive and Hand Surgery at the University Medical Center Regensburg, Germany
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Abstract
The state of oxygen in aqueous supersaturated solutions prepared by different methods was studied using high-resolution ultrasonic spectroscopy in combination with other techniques. This allowed for nondestructive evaluation of the properties of oxygen solute particles, composed of oxygen molecules and surrounding (coordinating) molecules of water, at equilibrium, supersaturated conditions, and different temperatures and concentrations of O2. The results were compared with the behaviors of other types of solutes in water, including H2O2, which has similar molecular size and mass to O2 but is characterized by a significantly different type of interaction with water molecules. Additionally, theoretical modeling was performed to assess the ultrasonic characteristics of dispersions of oxygen nanobubbles stabilized by a surface electrical charge. The obtained data indicate a clathrate-like organization of water in the coordination shells of single molecules of O2. We did not find any signs of formation of clusters of oxygen molecules in supersaturated solutions. No quantifiable presence of oxygen nanobubbles in the solutions was detected. The state of O2 molecules was not affected by supersaturation within the analyzed concentration range of oxygen. The results also demonstrated the potential of the ultrasonic technique in precision real-time nondestructive monitoring of oxygen solubilization and outgassing processes.
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Affiliation(s)
- Yuelong Li
- School of Chemistry, College of Life Science , University College Dublin , Belfield Campus , Dublin 4 , Ireland
| | - Vitaly Buckin
- School of Chemistry, College of Life Science , University College Dublin , Belfield Campus , Dublin 4 , Ireland
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Koop-Jakobsen K, Mueller P, Meier RJ, Liebsch G, Jensen K. Plant-Sediment Interactions in Salt Marshes - An Optode Imaging Study of O 2, pH, and CO 2 Gradients in the Rhizosphere. FRONTIERS IN PLANT SCIENCE 2018; 9:541. [PMID: 29774037 PMCID: PMC5943611 DOI: 10.3389/fpls.2018.00541] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 04/06/2018] [Indexed: 05/26/2023]
Abstract
In many wetland plants, belowground transport of O2 via aerenchyma tissue and subsequent O2 loss across root surfaces generates small oxic root zones at depth in the rhizosphere with important consequences for carbon and nutrient cycling. This study demonstrates how roots of the intertidal salt-marsh plant Spartina anglica affect not only O2, but also pH and CO2 dynamics, resulting in distinct gradients of O2, pH, and CO2 in the rhizosphere. A novel planar optode system (VisiSens TD®, PreSens GmbH) was used for taking high-resolution 2D-images of the O2, pH, and CO2 distribution around roots during alternating light-dark cycles. Belowground sediment oxygenation was detected in the immediate vicinity of the roots, resulting in oxic root zones with a 1.7 mm radius from the root surface. CO2 accumulated around the roots, reaching a concentration up to threefold higher than the background concentration, and generally affected a larger area within a radius of 12.6 mm from the root surface. This contributed to a lowering of pH by 0.6 units around the roots. The O2, pH, and CO2 distribution was recorded on the same individual roots over diurnal light cycles in order to investigate the interlinkage between sediment oxygenation and CO2 and pH patterns. In the rhizosphere, oxic root zones showed higher oxygen concentrations during illumination of the aboveground biomass. In darkness, intraspecific differences were observed, where some plants maintained oxic root zones in darkness, while others did not. However, the temporal variation in sediment oxygenation was not reflected in the temporal variations of pH and CO2 around the roots, which were unaffected by changing light conditions at all times. This demonstrates that plant-mediated sediment oxygenation fueling microbial decomposition and chemical oxidation has limited impact on the dynamics of pH and CO2 in S. anglica rhizospheres, which may in turn be controlled by other processes such as root respiration and root exudation.
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Affiliation(s)
- Ketil Koop-Jakobsen
- MARUM – Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
| | - Peter Mueller
- Applied Plant Ecology, Biocenter Klein Flottbek, University of Hamburg, Hamburg, Germany
| | | | | | - Kai Jensen
- Applied Plant Ecology, Biocenter Klein Flottbek, University of Hamburg, Hamburg, Germany
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Lenzewski N, Mueller P, Meier RJ, Liebsch G, Jensen K, Koop-Jakobsen K. Dynamics of oxygen and carbon dioxide in rhizospheres of Lobelia dortmanna - a planar optode study of belowground gas exchange between plants and sediment. THE NEW PHYTOLOGIST 2018; 218:131-141. [PMID: 29314005 DOI: 10.1111/nph.14973] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 11/21/2017] [Indexed: 05/24/2023]
Abstract
Root-mediated CO2 uptake, O2 release and their effects on O2 and CO2 dynamics in the rhizosphere of Lobelia dortmanna were investigated. Novel planar optode technology, imaging CO2 and O2 distribution around single roots, provided insights into the spatiotemporal patterns of gas exchange between roots, sediment and microbial community. In light, O2 release and CO2 uptake were pronounced, resulting in a distinct oxygenated zone (radius: c. 3 mm) and a CO2 -depleted zone (radius: c. 2 mm) around roots. Simultaneously, however, microbial CO2 production was stimulated within a larger zone around the roots (radius: c. 10 mm). This gave rise to a distinct pattern with a CO2 minimum at the root surface and a CO2 maximum c. 2 mm away from the root. In darkness, CO2 uptake ceased, and the CO2 -depleted zone disappeared within 2 h. By contrast, the oxygenated root zone remained even after 8 h, but diminished markedly over time. A tight coupling between photosynthetic processes and the spatiotemporal dynamics of O2 and CO2 in the rhizosphere of Lobelia was demonstrated, and we suggest that O2 -induced stimulation of the microbial community in the sediment increases the supply of inorganic carbon for photosynthesis by building up a CO2 reservoir in the rhizosphere.
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Affiliation(s)
- Nikola Lenzewski
- Applied Plant Ecology, Biocenter Klein Flottbek, Universität Hamburg, Ohnhorststrasse 18, 22609, Hamburg, Germany
| | - Peter Mueller
- Applied Plant Ecology, Biocenter Klein Flottbek, Universität Hamburg, Ohnhorststrasse 18, 22609, Hamburg, Germany
| | | | - Gregor Liebsch
- PreSens, Precision Sensing GmbH, Am BioPark 11, 93053, Regensburg, Germany
| | - Kai Jensen
- Applied Plant Ecology, Biocenter Klein Flottbek, Universität Hamburg, Ohnhorststrasse 18, 22609, Hamburg, Germany
| | - Ketil Koop-Jakobsen
- MARUM - Center for Marine Environmental Sciences, University of Bremen, Leobener Strasse 8, 28359, Bremen, Germany
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Yu Y, Kwon MS, Jung J, Zeng Y, Kim M, Chung K, Gierschner J, Youk JH, Borisov SM, Kim J. Room‐Temperature‐Phosphorescence‐Based Dissolved Oxygen Detection by Core‐Shell Polymer Nanoparticles Containing Metal‐Free Organic Phosphors. Angew Chem Int Ed Engl 2017; 56:16207-16211. [DOI: 10.1002/anie.201708606] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 09/27/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Youngchang Yu
- Department of Materials Science and Engineering University of Michigan USA
| | - Min Sang Kwon
- Department of Materials Science and Engineering University of Michigan USA
- Department of Materials Science and Engineering Ulsan Institute of Science and Technology (UNIST) Korea
| | - Jaehun Jung
- Macromolecular Science and Engineering University of Michigan USA
| | - Yingying Zeng
- Department of Materials Science and Engineering University of Michigan USA
| | - Mounggon Kim
- Department of Materials Science and Engineering University of Michigan USA
| | - Kyeongwoon Chung
- Macromolecular Science and Engineering University of Michigan USA
- Process Innovation Department Korea Institute of Materials Science (KIMS) Korea
| | | | - Ji Ho Youk
- Department of Applied Organic Materials Engineering Inha University Korea
| | - Sergey M. Borisov
- Institute of Analytical Chemistry and Food Chemistry Graz University of Technology Austria
| | - Jinsang Kim
- Department of Materials Science and Engineering University of Michigan USA
- Macromolecular Science and Engineering University of Michigan USA
- Department of Chemical Engineering Department of Biomedical Engineering, and Department of Chemistry University of Michigan USA
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14
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Yu Y, Kwon MS, Jung J, Zeng Y, Kim M, Chung K, Gierschner J, Youk JH, Borisov SM, Kim J. Room‐Temperature‐Phosphorescence‐Based Dissolved Oxygen Detection by Core‐Shell Polymer Nanoparticles Containing Metal‐Free Organic Phosphors. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708606] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Youngchang Yu
- Department of Materials Science and Engineering University of Michigan USA
| | - Min Sang Kwon
- Department of Materials Science and Engineering University of Michigan USA
- Department of Materials Science and Engineering Ulsan Institute of Science and Technology (UNIST) Korea
| | - Jaehun Jung
- Macromolecular Science and Engineering University of Michigan USA
| | - Yingying Zeng
- Department of Materials Science and Engineering University of Michigan USA
| | - Mounggon Kim
- Department of Materials Science and Engineering University of Michigan USA
| | - Kyeongwoon Chung
- Macromolecular Science and Engineering University of Michigan USA
- Process Innovation Department Korea Institute of Materials Science (KIMS) Korea
| | | | - Ji Ho Youk
- Department of Applied Organic Materials Engineering Inha University Korea
| | - Sergey M. Borisov
- Institute of Analytical Chemistry and Food Chemistry Graz University of Technology Austria
| | - Jinsang Kim
- Department of Materials Science and Engineering University of Michigan USA
- Macromolecular Science and Engineering University of Michigan USA
- Department of Chemical Engineering Department of Biomedical Engineering, and Department of Chemistry University of Michigan USA
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15
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Apyari VV, Gorbunova MV, Isachenko AI, Dmitrienko SG, Zolotov YA. Use of household color-recording devices in quantitative chemical analysis. JOURNAL OF ANALYTICAL CHEMISTRY 2017. [DOI: 10.1134/s106193481711003x] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Meyer D, Hagemann A, Kruss S. Kinetic Requirements for Spatiotemporal Chemical Imaging with Fluorescent Nanosensors. ACS NANO 2017; 11:4017-4027. [PMID: 28379687 DOI: 10.1021/acsnano.7b00569] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Fluorescent nanosensors are powerful tools for basic research and bioanalytical applications. Individual nanosensors are able to detect single molecules, while ensembles of nanosensors can be used to measure the bulk concentration of an analyte. Collective imaging of multiple nanosensors could provide both spatial and temporal chemical information from the nano- to the microscale. This type of chemical imaging with nanosensors would be very attractive to study processes such as chemical signaling between cells (e.g., neurons). So far, it is not understood what processes are resolvable (concentration, time, space) and how optimal sensors should be designed. Here, we develop a theoretical framework to simulate the fluorescence image of arrays of nanosensors in response to a concentration gradient. For that purpose, binding and unbinding of the analyte is simulated for each single nanosensor by using a Monte Carlo simulation and varying rate constants (kon, koff). Multiple nanosensors are arranged on a surface and exposed to a concentration pattern cA(x,y,t) of an analyte. We account for the resolution limit of light microscopy (Abbe limit) and the acquisition speed and resolution of optical setups and determine the resulting response images ΔI(x,y,t). Consequently, we introduce terms for the spatial and temporal resolution and simulate phase diagrams for different rate constants that allow us to predict how a sensor should be designed to provide a desired spatial and temporal resolution. Our results show, for example, that imaging of neurotransmitter release requires rate constants of kon = 106 M-1 s-1and koff = 102 s-1 in many scenarios, which corresponds to high dissociation constants of Kd > 100 μM. This work predicts if a given fluorescent nanosensor array (rate constants, size, shape, geometry, density) is able to resolve fast concentration changes such as neurotransmitter release from cells. Additionally, we provide rational design principles to engineer nanosensors for chemical imaging.
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Affiliation(s)
- Daniel Meyer
- Institute of Physical Chemistry, Göttingen University , Tammannstrasse 6, Goettingen 37077, Germany
- Center for Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB) , Göttingen 37073, Germany
| | - Annika Hagemann
- Institute of Physical Chemistry, Göttingen University , Tammannstrasse 6, Goettingen 37077, Germany
- Center for Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB) , Göttingen 37073, Germany
| | - Sebastian Kruss
- Institute of Physical Chemistry, Göttingen University , Tammannstrasse 6, Goettingen 37077, Germany
- Center for Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB) , Göttingen 37073, Germany
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17
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Liu JN, Bu W, Shi J. Chemical Design and Synthesis of Functionalized Probes for Imaging and Treating Tumor Hypoxia. Chem Rev 2017; 117:6160-6224. [DOI: 10.1021/acs.chemrev.6b00525] [Citation(s) in RCA: 556] [Impact Index Per Article: 79.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jia-nan Liu
- State
Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
| | - Wenbo Bu
- State
Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P.R. China
| | - Jianlin Shi
- State
Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
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18
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Keil P, Liebsch G, Borisjuk L, Rolletschek H. MultiSense: A Multimodal Sensor Tool Enabling the High-Throughput Analysis of Respiration. Methods Mol Biol 2017; 1670:47-56. [PMID: 28871533 DOI: 10.1007/978-1-4939-7292-0_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The high-throughput analysis of respiratory activity has become an important component of many biological investigations. Here, a technological platform, denoted the "MultiSense tool," is described. The tool enables the parallel monitoring of respiration in 100 samples over an extended time period, by dynamically tracking the concentrations of oxygen (O2) and/or carbon dioxide (CO2) and/or pH within an airtight vial. Its flexible design supports the quantification of respiration based on either oxygen consumption or carbon dioxide release, thereby allowing for the determination of the physiologically significant respiratory quotient (the ratio between the quantities of CO2 released and the O2 consumed). It requires an LED light source to be mounted above the sample, together with a CCD camera system, adjusted to enable the capture of analyte-specific wavelengths, and fluorescent sensor spots inserted into the sample vial. Here, a demonstration is given of the use of the MultiSense tool to quantify respiration in imbibing plant seeds, for which an appropriate step-by-step protocol is provided. The technology can be easily adapted for a wide range of applications, including the monitoring of gas exchange in any kind of liquid culture system (algae, embryo and tissue culture, cell suspensions, microbial cultures).
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Affiliation(s)
- Peter Keil
- Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, D-06466, Stadt Seeland OT Gatersleben, Germany
| | - Gregor Liebsch
- PreSens Precision Sensing GmbH, Josef-Engert-Strasse 11, 93053, Regensburg, Germany
| | - Ljudmilla Borisjuk
- Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, D-06466, Stadt Seeland OT Gatersleben, Germany
| | - Hardy Rolletschek
- Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, D-06466, Stadt Seeland OT Gatersleben, Germany.
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19
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Byrne A, Jacobs J, Burke CS, Martin A, Heise A, Keyes TE. Rational design of polymeric core shell ratiometric oxygen-sensing nanostructures. Analyst 2017; 142:3400-3406. [DOI: 10.1039/c7an00753a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A new approach for the fabrication of luminescent ratiometric sensing nanosensors is described using core–shell nanoparticles in which the probe and reference are spatially separated into the shell and core of the nanostructure respectively.
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Affiliation(s)
- Aisling Byrne
- School of Chemical Sciences
- National Centre for Sensor Research Dublin City University
- Dublin 9
- Ireland
| | - Jaco Jacobs
- School of Chemical Sciences
- National Centre for Sensor Research Dublin City University
- Dublin 9
- Ireland
- Department of Pharmaceutical and Medicinal Chemistry
| | - Christopher S. Burke
- School of Chemical Sciences
- National Centre for Sensor Research Dublin City University
- Dublin 9
- Ireland
| | - Aaron Martin
- School of Chemical Sciences
- National Centre for Sensor Research Dublin City University
- Dublin 9
- Ireland
| | - Andreas Heise
- Department of Pharmaceutical and Medicinal Chemistry
- Royal College of Surgeons in Ireland
- Dublin 2
- Ireland
| | - Tia E. Keyes
- School of Chemical Sciences
- National Centre for Sensor Research Dublin City University
- Dublin 9
- Ireland
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20
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DeRosa CA, Kolpaczynska M, Kerr C, Daly ML, Morris WA, Fraser CL. Oxygen-Sensing Difluoroboron Thienyl Phenyl β-Diketonate Polylactides. Chempluschem 2016; 82:399-406. [DOI: 10.1002/cplu.201600520] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 11/17/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Christopher A. DeRosa
- Department of Chemistry; University of Virginia; McCormick Road Charlottesville VA 22904 USA
| | - Milena Kolpaczynska
- Department of Chemistry; University of Virginia; McCormick Road Charlottesville VA 22904 USA
| | - Caroline Kerr
- Department of Chemistry; University of Virginia; McCormick Road Charlottesville VA 22904 USA
| | - Margaret L. Daly
- Department of Chemistry; University of Virginia; McCormick Road Charlottesville VA 22904 USA
| | - William A. Morris
- Department of Chemistry; University of Virginia; McCormick Road Charlottesville VA 22904 USA
| | - Cassandra L. Fraser
- Department of Chemistry; University of Virginia; McCormick Road Charlottesville VA 22904 USA
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21
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Abstract
Luminescent films have received great interest for chemo-/bio-sensing applications due to their distinct advantages over solution-based probes, such as good stability and portability, tunable shape and size, non-invasion, real-time detection, extensive suitability in gas/vapor sensing, and recycling. On the other hand, they can achieve selective and sensitive detection of chemical/biological species using special luminophores with a recognition moiety or the assembly of common luminophores and functional materials. Nowadays, the extensively used assembly techniques include drop-casting/spin-coating, Langmuir-Blodgett (LB), self-assembled monolayers (SAMs), layer-by-layer (LBL), and electrospinning. Therefore, this review summarizes the recent advances in luminescent films with these assembly techniques and their applications in chemo-/bio-sensing. We mainly focused on the discussion of the relationship between the sensing properties of the films and their architecture. Furthermore, we discussed some critical challenges existing in this field and possible solutions that have been or are being developed to overcome these challenges.
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Affiliation(s)
- Weijiang Guan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
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22
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Bidmanova S, Steiner MS, Stepan M, Vymazalova K, Gruber MA, Duerkop A, Damborsky J, Prokop Z, Wolfbeis OS. Enzyme-Based Test Strips for Visual or Photographic Detection and Quantitation of Gaseous Sulfur Mustard. Anal Chem 2016; 88:6044-9. [DOI: 10.1021/acs.analchem.6b01272] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sarka Bidmanova
- Loschmidt
Laboratories, Department of Experimental Biology and Research Center
for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
- International
Clinical Research Center, St. Anne’s University Hospital, Pekarska 53, 65691 Brno, Czech Republic
- Enantis,
spol. s
r.o., Kamenice 34, 62500 Brno, Czech Republic
| | - Mark-Steven Steiner
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Martin Stepan
- Military Research
Institute, Veslarska 230, 63700 Brno, Czech Republic
| | - Kamila Vymazalova
- Military Research
Institute, Veslarska 230, 63700 Brno, Czech Republic
| | - Michael A. Gruber
- Department
of Anesthesiology, University Hospital, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Axel Duerkop
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Jiri Damborsky
- Loschmidt
Laboratories, Department of Experimental Biology and Research Center
for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
- International
Clinical Research Center, St. Anne’s University Hospital, Pekarska 53, 65691 Brno, Czech Republic
- Enantis,
spol. s
r.o., Kamenice 34, 62500 Brno, Czech Republic
| | - Zbynek Prokop
- Loschmidt
Laboratories, Department of Experimental Biology and Research Center
for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
- International
Clinical Research Center, St. Anne’s University Hospital, Pekarska 53, 65691 Brno, Czech Republic
- Enantis,
spol. s
r.o., Kamenice 34, 62500 Brno, Czech Republic
| | - Otto S. Wolfbeis
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
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23
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A Pyrene@Micelle Sensor for Fluorescent Oxygen Sensing. BIOMED RESEARCH INTERNATIONAL 2015; 2015:245031. [PMID: 26539471 PMCID: PMC4619751 DOI: 10.1155/2015/245031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 04/28/2015] [Indexed: 11/18/2022]
Abstract
For most fluorescent oxygen sensors developed today, their fabrication process is either time-consuming or needs specialized knowledge. In this work, a robust fluorescent oxygen sensor is facilely constructed by dissolving pyrene molecules into CTAB aqueous solution. The as-prepared pyrene@micelle sensors have submicron-sized diameter, and the concentration of utilized pyrene can be reduced as low as 0.8 mM but still can exhibit dominant excimer emission. The excimer fluorescence is sensitive to dissolved oxygen in both intensity and lifetime, and the respective Stern-Volmer plot follows a nonlinear behavior justified by a two-site model. Because of the merits of large Stokes shift (~140 nm), easy fabrication, and robustness, the pyrene@micelle sensors are very attractive for practical determination of oxygen.
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24
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Capitán-Vallvey LF, López-Ruiz N, Martínez-Olmos A, Erenas MM, Palma AJ. Recent developments in computer vision-based analytical chemistry: A tutorial review. Anal Chim Acta 2015; 899:23-56. [DOI: 10.1016/j.aca.2015.10.009] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 10/07/2015] [Accepted: 10/08/2015] [Indexed: 12/18/2022]
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25
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Gao Z, Tang D, Tang D, Niessner R, Knopp D. Target-induced nanocatalyst deactivation facilitated by core@shell nanostructures for signal-amplified headspace-colorimetric assay of dissolved hydrogen sulfide. Anal Chem 2015; 87:10153-60. [PMID: 26327230 DOI: 10.1021/acs.analchem.5b03008] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Colorimetric assay platforms for dissolved hydrogen sulfide (H2S) have been developed for more than 100 years, but most still suffer from relatively low sensitivity. One promising route out of this predicament relies on the design of efficient signal amplification methods. Herein, we rationally designed an unprecedented H2S-induced deactivation of (gold core)@(ultrathin platinum shell) nanocatalysts (Au@TPt-NCs) as a highly efficient signal amplification method for ultrasensitive headspace-colorimetric assay of dissolved H2S. Upon target introduction, Au@TPt-NCs were deactivated to different degrees dependent on H2S levels, and the degrees could be indicated by using a Au@TPt-NCs-triggered catalytic system as a signal amplifier, thus paving a way for H2S sensing. The combination of experimental studies and density functional theory (DFT) studies revealed that the Au@TPt-NCs with only 2-monolayer equivalents of Pt (θPt = 2) were superior for H2S-induced nanocatalyst deactivation owing to their enhanced peroxidase-like catalytic activity and deactivation efficiency stemmed from the unique synergistic structural/electronic effects between Au nanocores and ultrathin Pt nanoshells. Importantly, our analytical results showed that the designed method was indeed highly sensitive for sensing H2S with a wide linear range of 10-100 nM, a slope of 0.013 in the regression equation, and a low detection limit of 7.5 nM. Also the selectivity, reproducibility, and precision were excellent. Furthermore, the method was validated for the analysis of H2S-spiked real samples, and the recovery in all cases was 91.6-106.7%. With the merits of high sensitivity and selectivity, simplification, low cost, and visual readout with the naked eye, the colorimetric method has the potential to be utilized as an effective detection kit for point-of-care testing.
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Affiliation(s)
- Zhuangqiang Gao
- Institute of Nanomedicine and Nanobiosensing, Key Laboratory of Analysis and Detection for Food Safety (Fujian Province & Ministry of Education), Department of Chemistry, Fuzhou University , Fuzhou 350108, P. R. China
| | - Dianyong Tang
- Chongqing Key Laboratory of Environmental Materials & Remediation Technologies, College of Materials and Chemical Engineering, Chongqing University of Arts and Sciences , Chongqing 402160, P. R. China
| | - Dianping Tang
- Institute of Nanomedicine and Nanobiosensing, Key Laboratory of Analysis and Detection for Food Safety (Fujian Province & Ministry of Education), Department of Chemistry, Fuzhou University , Fuzhou 350108, P. R. China
| | - Reinhard Niessner
- Chair for Analytical Chemistry, Institute of Hydrochemistry, Technische Universität München , Marchioninistrasse 17, D-81377 München, Germany
| | - Dietmar Knopp
- Chair for Analytical Chemistry, Institute of Hydrochemistry, Technische Universität München , Marchioninistrasse 17, D-81377 München, Germany
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26
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Abstract
Luminescence-based sensing schemes for oxygen have experienced a fast growth and are in the process of replacing the Clark electrode in many fields. Unlike electrodes, sensing is not limited to point measurements via fiber optic microsensors, but includes additional features such as planar sensing, imaging, and intracellular assays using nanosized sensor particles. In this essay, I review and discuss the essentials of (i) common solid-state sensor approaches based on the use of luminescent indicator dyes and host polymers; (ii) fiber optic and planar sensing schemes; (iii) nanoparticle-based intracellular sensing; and (iv) common spectroscopies. Optical sensors are also capable of multiple simultaneous sensing (such as O2 and temperature). Sensors for O2 are produced nowadays in large quantities in industry. Fields of application include sensing of O2 in plant and animal physiology, in clinical chemistry, in marine sciences, in the chemical industry and in process biotechnology.
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Affiliation(s)
- Otto S Wolfbeis
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, Regensburg, Germany
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27
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Roussakis E, Li Z, Nichols AJ, Evans CL. Sauerstoffmessung in der Biomedizin - von der Makro- zur Mikroebene. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201410646] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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28
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Roussakis E, Li Z, Nichols AJ, Evans CL. Oxygen-Sensing Methods in Biomedicine from the Macroscale to the Microscale. Angew Chem Int Ed Engl 2015; 54:8340-62. [DOI: 10.1002/anie.201410646] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 01/05/2015] [Indexed: 12/15/2022]
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29
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Santner J, Larsen M, Kreuzeder A, Glud RN. Two decades of chemical imaging of solutes in sediments and soils--a review. Anal Chim Acta 2015; 878:9-42. [PMID: 26002324 DOI: 10.1016/j.aca.2015.02.006] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 02/03/2015] [Accepted: 02/05/2015] [Indexed: 01/08/2023]
Abstract
The increasing appreciation of the small-scale (sub-mm) heterogeneity of biogeochemical processes in sediments, wetlands and soils has led to the development of several methods for high-resolution two-dimensional imaging of solute distribution in porewaters. Over the past decades, localised sampling of solutes (diffusive equilibration in thin films, diffusive gradients in thin films) followed by planar luminescent sensors (planar optodes) have been used as analytical tools for studies on solute distribution and dynamics. These approaches have provided new conceptual and quantitative understanding of biogeochemical processes regulating the distribution of key elements and solutes including O2, CO2, pH, redox conditions as well as nutrient and contaminant ion species in structurally complex soils and sediments. Recently these methods have been applied in parallel or integrated as so-called sandwich sensors for multianalyte measurements. Here we review the capabilities and limitations of the chemical imaging methods that are currently at hand, using a number of case studies, and provide an outlook on potential future developments for two-dimensional solute imaging in soils and sediments.
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Affiliation(s)
- Jakob Santner
- Rhizosphere Ecology and Biogeochemistry Group, Department of Forest and Soil Sciences, Institute of Soil Research, University of Natural Resources and Life Sciences Vienna, Konrad Lorenz-Strasse 24, 3430 Tulln, Austria.
| | - Morten Larsen
- Nordic Center for Earth Evolution (NordCEE), University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark
| | - Andreas Kreuzeder
- Rhizosphere Ecology and Biogeochemistry Group, Department of Forest and Soil Sciences, Institute of Soil Research, University of Natural Resources and Life Sciences Vienna, Konrad Lorenz-Strasse 24, 3430 Tulln, Austria
| | - Ronnie N Glud
- Nordic Center for Earth Evolution (NordCEE), University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark; Scottish Marine Institute, Scottish Association for Marine Science, Oban, Scotland, PA37 1QA, UK; Greenland Climate Research Centre (CO Greenland Institute of Natural Resources), Kivioq 2, Box 570, 3900 Nuuk, Greenland; Arctic Research Centre, Aarhus University, 8000 Aarhus, Denmark
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30
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Lasave LC, Borisov SM, Ehgartner J, Mayr T. Quick and simple integration of optical oxygen sensors into glass-based microfluidic devices. RSC Adv 2015. [DOI: 10.1039/c5ra15591f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel simple and inexpensive technique for integration of optical oxygen sensors into microfluidic channels made of glass. The channels are coated with conjugated polymeric nanoparticles containing a covalently grafted oxygen indicator.
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Affiliation(s)
- Liliana C. Lasave
- Institute of Analytical Chemistry and Food Chemistry
- Graz University of Technology
- 8010 Graz
- Austria
| | - Sergey M. Borisov
- Institute of Analytical Chemistry and Food Chemistry
- Graz University of Technology
- 8010 Graz
- Austria
| | - Josef Ehgartner
- Institute of Analytical Chemistry and Food Chemistry
- Graz University of Technology
- 8010 Graz
- Austria
| | - Torsten Mayr
- Institute of Analytical Chemistry and Food Chemistry
- Graz University of Technology
- 8010 Graz
- Austria
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31
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Borisov SM, Fischer R, Saf R, Klimant I. Exceptional Oxygen Sensing Properties of New Blue Light-Excitable Highly Luminescent Europium(III) and Gadolinium(III) Complexes. ADVANCED FUNCTIONAL MATERIALS 2014; 24:6548-6550. [PMID: 27158252 PMCID: PMC4855026 DOI: 10.1002/adfm.201401754] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
New europium(III) and gadolinium(III) complexes bearing 8-hydroxyphenalenone antenna combine efficient absorption in the blue part of the spectrum and strong emission in polymers at room temperature. The Eu(III) complexes show characteristic red luminescence whereas the Gd(III) dyes are strongly phosphorescent. The luminescence quantum yields are about 20% for the Eu(III) complexes and 50% for the Gd(III) dyes. In contrast to most state-of-the-art Eu(III) complexes the new dyes are quenched very efficiently by molecular oxygen. The luminescence decay times of the Gd(III) complexes exceed 1 ms which ensures exceptional sensitivity even in polymers of moderate oxygen permeability. These sensors are particularly suitable for trace oxygen sensing and may be good substitutes for Pd(II) porphyrins. The photophysical and sensing properties can be tuned by varying the nature of the fourth ligand. The narrow-band emission of the Eu(III) allows efficient elimination of the background light and autofluorescence and is also very attractive for use e.g. in multi-analyte sensors. The highly photostable indicators incorporated in nanoparticles are promising for imaging applications. Due to the straightforward preparation and low cost of starting materials the new dyes represent a promising alternative to the state-of-the-art oxygen indicators particularly for such applications as e.g. food packaging.
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Affiliation(s)
- Sergey M. Borisov
- Institute of Analytical Chemistry and Food Chemistry, Graz University of Technology, NAWI Graz, Stremayrgasse 9, 8010, Graz, Austria
| | - Roland Fischer
- Institute of Inorganic Chemistry, Graz University of Technology, NAWI Graz, Stremayrgasse 9, 8010, Graz, Austria
| | - Robert Saf
- Institute of Chemistry and Technology of Materials, Graz University of Technology, NAWI Graz, Stremayrgasse 9, 8010, Graz, Austria
| | - Ingo Klimant
- Institute of Analytical Chemistry and Food Chemistry, Graz University of Technology, NAWI Graz, Stremayrgasse 9, 8010, Graz, Austria
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Li Z, Roussakis E, Koolen PGL, Ibrahim AMS, Kim K, Rose LF, Wu J, Nichols AJ, Baek Y, Birngruber R, Apiou-Sbirlea G, Matyal R, Huang T, Chan R, Lin SJ, Evans CL. Non-invasive transdermal two-dimensional mapping of cutaneous oxygenation with a rapid-drying liquid bandage. BIOMEDICAL OPTICS EXPRESS 2014; 5:3748-64. [PMID: 25426308 PMCID: PMC4242015 DOI: 10.1364/boe.5.003748] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 09/05/2014] [Accepted: 09/05/2014] [Indexed: 05/22/2023]
Abstract
Oxygen plays an important role in wound healing, as it is essential to biological functions such as cell proliferation, immune responses and collagen synthesis. Poor oxygenation is directly associated with the development of chronic ischemic wounds, which affect more than 6 million people each year in the United States alone at an estimated cost of $25 billion. Knowledge of oxygenation status is also important in the management of burns and skin grafts, as well as in a wide range of skin conditions. Despite the importance of the clinical determination of tissue oxygenation, there is a lack of rapid, user-friendly and quantitative diagnostic tools that allow for non-disruptive, continuous monitoring of oxygen content across large areas of skin and wounds to guide care and therapeutic decisions. In this work, we describe a sensitive, colorimetric, oxygen-sensing paint-on bandage for two-dimensional mapping of tissue oxygenation in skin, burns, and skin grafts. By embedding both an oxygen-sensing porphyrin-dendrimer phosphor and a reference dye in a liquid bandage matrix, we have created a liquid bandage that can be painted onto the skin surface and dries into a thin film that adheres tightly to the skin or wound topology. When captured by a camera-based imaging device, the oxygen-dependent phosphorescence emission of the bandage can be used to quantify and map both the pO2 and oxygen consumption of the underlying tissue. In this proof-of-principle study, we first demonstrate our system on a rat ischemic limb model to show its capabilities in sensing tissue ischemia. It is then tested on both ex vivo and in vivo porcine burn models to monitor the progression of burn injuries. Lastly, the bandage is applied to an in vivo porcine graft model for monitoring the integration of full- and partial-thickness skin grafts.
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Affiliation(s)
- Zongxi Li
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown, Massachusetts 02129,
USA
| | - Emmanuel Roussakis
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown, Massachusetts 02129,
USA
| | - Pieter G. L. Koolen
- Division of Plastic Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, 110 Francis Street Suite 5A, Boston, Massachusetts 02215,
USA
| | - Ahmed M. S. Ibrahim
- Division of Plastic Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, 110 Francis Street Suite 5A, Boston, Massachusetts 02215,
USA
| | - Kuylhee Kim
- Division of Plastic Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, 110 Francis Street Suite 5A, Boston, Massachusetts 02215,
USA
| | - Lloyd F. Rose
- Dental and Trauma Research Detachment, U.S. Army Institute of Surgical Research, 3698 Chambers Pass, Suite B, JBSA –Fort Sam Houston, Texas 78234-7767,
USA
| | - Jesse Wu
- Dental and Trauma Research Detachment, U.S. Army Institute of Surgical Research, 3698 Chambers Pass, Suite B, JBSA –Fort Sam Houston, Texas 78234-7767,
USA
| | - Alexander J. Nichols
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown, Massachusetts 02129,
USA
- Harvard University Program in Biophysics, Building C2 Room 112, 240 Longwood Avenue, Boston, MA 02115,
USA
- Harvard-MIT Division of Health Sciences and Technology, 77 Massachusetts Avenue E25-519, Cambridge, MA 02139,
USA
| | - Yunjung Baek
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown, Massachusetts 02129,
USA
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701,
South Korea
| | - Reginald Birngruber
- University of Lübeck, Institute of Biomedical Optics, Lübeck, Peter Monnik Weg 4, 23562 Lübeck,
Germany
| | - Gabriela Apiou-Sbirlea
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown, Massachusetts 02129,
USA
| | - Robina Matyal
- Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, Massachusetts 02215,
USA
| | - Thomas Huang
- Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, Massachusetts 02215,
USA
| | - Rodney Chan
- Dental and Trauma Research Detachment, U.S. Army Institute of Surgical Research, 3698 Chambers Pass, Suite B, JBSA –Fort Sam Houston, Texas 78234-7767,
USA
| | - Samuel J. Lin
- Division of Plastic Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, 110 Francis Street Suite 5A, Boston, Massachusetts 02215,
USA
| | - Conor L. Evans
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown, Massachusetts 02129,
USA
- Harvard University Program in Biophysics, Building C2 Room 112, 240 Longwood Avenue, Boston, MA 02115,
USA
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33
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Gao Z, Deng K, Wang XD, Miró M, Tang D. High-resolution colorimetric assay for rapid visual readout of phosphatase activity based on gold/silver core/shell nanorod. ACS APPLIED MATERIALS & INTERFACES 2014; 6:18243-50. [PMID: 25244147 DOI: 10.1021/am505342r] [Citation(s) in RCA: 167] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Nanostructure-based visual assay has been developed for determination of enzymatic activity, but most involve in poor visible color resolution and are not suitable for routine utilization. Herein, we designed a high-resolution colorimetric protocol based on gold/silver core/shell nanorod for visual readout of alkaline phosphatase (ALP) activity by using bare-eyes. The method relied on enzymatic reaction-assisted silver deposition on gold nanorod to generate significant color change, which was strongly dependent on ALP activity. Upon target ALP introduction into the substrate, the ascorbic acid 2-phosphate was hydrolyzed to form ascorbic acid, and then, the generated ascorbic acid reduced silver ion to metal silver and coated on the gold nanorod, thereby resulting in the blue shift of longitudinal localized surface plasmon resonance peak of gold nanorod accompanying a perceptible color change from red to orange to yellow to green to cyan to blue and to violet. Under optimal conditions, the designed method exhibited the wide linear range 5-100 mU mL(-1) ALP with a detection limit of 3.3 mU mL(-1). Moreover, it could be used for the semiquantitative detection of ALP from 20 to 500 mU mL(-1) by using the bare-eyes. The coefficients of variation for intra- and interassay were below 3.5% and 6.2%, respectively. Finally, this method was validated for the analysis of real-life serum samples, giving results matched well with those from the 4-nitrophenyl phosphate disodium salt hexahydrate (pNPP)-based standard method. In addition, the system could even be utilized in the enzyme-linked immunosorbent assay (ELISA) to detect IgG at picomol concentration. With the merits of simplification, low cost, user-friendliness, and sensitive readout, the gold nanorod-based colorimetric assay has the potential to be utilized by the public and opens a new horizon for bioassays.
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Affiliation(s)
- Zhuangqiang Gao
- Institute of Nanomedicine and Nanobiosensing, MOE Key Laboratory of Analysis and Detection for Food Safety, Department of Chemistry, Fuzhou University , Fuzhou 350108, China
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34
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Cheng X, Dai D, Yuan Z, Peng L, He Y, Yeung ES. Color Difference Amplification between Gold Nanoparticles in Colorimetric Analysis with Actively Controlled Multiband Illumination. Anal Chem 2014; 86:7584-92. [DOI: 10.1021/ac501448w] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xiaodong Cheng
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, College
of Biology, Hunan University, Changsha, 410082, China
| | - Dinggui Dai
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, College
of Biology, Hunan University, Changsha, 410082, China
| | - Zhiqin Yuan
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, College
of Biology, Hunan University, Changsha, 410082, China
| | - Lan Peng
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, College
of Biology, Hunan University, Changsha, 410082, China
| | - Yan He
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, College
of Biology, Hunan University, Changsha, 410082, China
| | - Edward S. Yeung
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, College
of Biology, Hunan University, Changsha, 410082, China
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35
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Schutting S, Klimant I, de Beer D, Borisov SM. New highly fluorescent pH indicator for ratiometric RGB imaging of pCO2. Methods Appl Fluoresc 2014; 2:024001. [DOI: 10.1088/2050-6120/2/2/024001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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36
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Wang XD, Wolfbeis OS. Optical methods for sensing and imaging oxygen: materials, spectroscopies and applications. Chem Soc Rev 2014; 43:3666-761. [PMID: 24638858 DOI: 10.1039/c4cs00039k] [Citation(s) in RCA: 557] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We review the current state of optical methods for sensing oxygen. These have become powerful alternatives to electrochemical detection and in the process of replacing the Clark electrode in many fields. The article (with 694 references) is divided into main sections on direct spectroscopic sensing of oxygen, on absorptiometric and luminescent probes, on polymeric matrices and supports, on additives and related materials, on spectroscopic schemes for read-out and imaging, and on sensing formats (such as waveguide sensing, sensor arrays, multiple sensors and nanosensors). We finally discuss future trends and applications and summarize the properties of the most often used indicator probes and polymers. The ESI† (with 385 references) gives a selection of specific applications of such sensors in medicine, biology, marine and geosciences, intracellular sensing, aerodynamics, industry and biotechnology, among others.
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Affiliation(s)
- Xu-dong Wang
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, D-93040 Regensburg, Germany.
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37
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Martínez-Olmos A, Fernández-Salmerón J, Lopez-Ruiz N, Rivadeneyra Torres A, Capitan-Vallvey LF, Palma AJ. Screen Printed Flexible Radiofrequency Identification Tag for Oxygen Monitoring. Anal Chem 2013; 85:11098-105. [DOI: 10.1021/ac4028802] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. Martínez-Olmos
- ECsens, Department of Electronics and Computer
Technology and ‡Department of Analytical Chemistry, Campus Fuentenueva, Faculty of
Sciences, University of Granada, E-18071 Granada, Spain
| | - J. Fernández-Salmerón
- ECsens, Department of Electronics and Computer
Technology and ‡Department of Analytical Chemistry, Campus Fuentenueva, Faculty of
Sciences, University of Granada, E-18071 Granada, Spain
| | - N. Lopez-Ruiz
- ECsens, Department of Electronics and Computer
Technology and ‡Department of Analytical Chemistry, Campus Fuentenueva, Faculty of
Sciences, University of Granada, E-18071 Granada, Spain
| | - A. Rivadeneyra Torres
- ECsens, Department of Electronics and Computer
Technology and ‡Department of Analytical Chemistry, Campus Fuentenueva, Faculty of
Sciences, University of Granada, E-18071 Granada, Spain
| | - L. F. Capitan-Vallvey
- ECsens, Department of Electronics and Computer
Technology and ‡Department of Analytical Chemistry, Campus Fuentenueva, Faculty of
Sciences, University of Granada, E-18071 Granada, Spain
| | - A. J. Palma
- ECsens, Department of Electronics and Computer
Technology and ‡Department of Analytical Chemistry, Campus Fuentenueva, Faculty of
Sciences, University of Granada, E-18071 Granada, Spain
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38
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Tian Y, Fuller E, Klug S, Lee F, Su F, Zhang L, Chao SH, Meldrum DR. A fluorescent colorimetric pH sensor and the influences of matrices on sensing performances. SENSORS AND ACTUATORS. B, CHEMICAL 2013; 188:1-10. [PMID: 24078772 PMCID: PMC3782379 DOI: 10.1016/j.snb.2013.06.098] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
A fluorescent colorimetric pH sensor was developed by a polymerization of a monomeric fluorescein based green emitter (SM1) with a monomeric 2-dicyanomethylene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran derived red emitter (SM2) in poly(2-hydroxyethyl methacrylate)-co-polyacrylamide (PHEMA-co-PAM) matrices. Polymerized SM1 (PSM1) in the polymer matrices showed bright emissions at basic conditions and weak emissions at acidic conditions. Polymerized SM2 (PSM2) in the polymer matrices exhibited a vastly different response when compared to PSM1. The emissions of PSM2 are stronger under acidic conditions than those under basic conditions. When SM1 and SM2 were polymerized in the same polymer matrix, a dual emission sensor acting as a ratiometric pH sensor (PSM1,2) was successfully developed. Because the PSM1 and PSM2 exhibited different pH responses and separated emission windows, the changes in the emission colors were clearly observed in their dual color sensor of PSM1,2, which changed emission colors dramatically from green at pH 7 to red at pH 4, which was detected visually and/or by using a color camera under an excitation of 488 nm. In addition to the development of the dual color ratiometric pH sensor, we also studied the effects of different matrix compositions, crosslinkers, and charges on the reporting capabilities of the sensors (sensitivity and pKa).
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Affiliation(s)
- Yanqing Tian
- To whom all correspondence should be addressed,
. Phone: (480) 965-9601. Fax: (480)
727-6588
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39
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Lemon CM, Karnas E, Bawendi MG, Nocera DG. Two-photon oxygen sensing with quantum dot-porphyrin conjugates. Inorg Chem 2013; 52:10394-406. [PMID: 23978247 PMCID: PMC3881537 DOI: 10.1021/ic4011168] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Supramolecular assemblies of a quantum dot (QD) associated to palladium(II) porphyrins have been developed to detect oxygen (pO2) in organic solvents. Palladium porphyrins are sensitive in the 0-160 Torr range, making them ideal phosphors for in vivo biological oxygen quantification. Porphyrins with meso pyridyl substituents bind to the surface of the QD to produce self-assembled nanosensors. Appreciable overlap between QD emission and porphyrin absorption features results in efficient Förster resonance energy transfer (FRET) for signal transduction in these sensors. The QD serves as a photon antenna, enhancing porphyrin emission under both one- and two-photon excitation, demonstrating that QD-palladium porphyrin conjugates may be used for oxygen sensing over physiological oxygen ranges.
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Affiliation(s)
- Christopher M Lemon
- Department of Chemistry, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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40
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Hofmann J, Meier RJ, Mahnke A, Schatz V, Brackmann F, Trollmann R, Bogdan C, Liebsch G, Wang XD, Wolfbeis OS, Jantsch J. Ratiometric luminescence 2Din vivoimaging and monitoring of mouse skin oxygenation. Methods Appl Fluoresc 2013; 1:045002. [DOI: 10.1088/2050-6120/1/4/045002] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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41
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Ungerböck B, Charwat V, Ertl P, Mayr T. Microfluidic oxygen imaging using integrated optical sensor layers and a color camera. LAB ON A CHIP 2013; 13:1593-601. [PMID: 23443957 DOI: 10.1039/c3lc41315b] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
In this work we present a high resolution oxygen imaging approach, which can be used to study 2D oxygen distribution inside microfluidic environments. The presented setup comprises a fabrication process of microfluidic chips with integrated luminescent sensing films combined with referenced oxygen imaging applying a color CCD-camera. Enhancement of the sensor performance was achieved by applying the principle of light harvesting. This principle enabled ratiometric imaging employing the red and the green channel of a color CCD-camera. The oxygen sensitive emission of platinum(ii)-5,10,15,20-tetrakis-(2,3,4,5,6-pentafluorphenyl)-porphyrin (PtTFPP) was detected by the red channel, while the emission of a reference dye was detected by the green channel. This measurement setup allowed for accurate real-time 2D oxygen imaging with superior quality compared to intensity imaging. The sensor films were subsequently used to measure the respiratory activity of human cell cultures (HeLa carcinoma cells and normal human dermal fibroblasts) in a microfluidic system. The sensor setup is well suited for different applications from spatially and temporally resolving oxygen concentration inside microfluidic channels to parallelization of oxygen measurements and paves the way to novel cell based assays, e.g. in tissue engineering, tumor biology and hypoxia reperfusion phenomena.
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Affiliation(s)
- Birgit Ungerböck
- Applied Sensors, Institute of Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9/3, 8010 Graz, Austria
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42
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Wang XD, Wolfbeis OS, Meier RJ. Luminescent probes and sensors for temperature. Chem Soc Rev 2013; 42:7834-69. [DOI: 10.1039/c3cs60102a] [Citation(s) in RCA: 1170] [Impact Index Per Article: 106.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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43
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Lapresta-Fernández A, Titos-Padilla S, Herrera JM, Salinas-Castillo A, Colacio E, Capitán Vallvey LF. Photographing the synergy between magnetic and colour properties in spin crossover material [Fe(NH2trz)3](BF4)2: a temperature sensor perspective. Chem Commun (Camb) 2013. [DOI: 10.1039/c2cc36320h] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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44
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Wang XD, Wolfbeis OS. Fiber-Optic Chemical Sensors and Biosensors (2008–2012). Anal Chem 2012; 85:487-508. [DOI: 10.1021/ac303159b] [Citation(s) in RCA: 391] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xu-Dong Wang
- Institute of Analytical Chemistry, Chemo-
and Biosensors, University of Regensburg, D-93040 Regensburg, Germany
| | - Otto S. Wolfbeis
- Institute of Analytical Chemistry, Chemo-
and Biosensors, University of Regensburg, D-93040 Regensburg, Germany
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45
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Abstract
Continuous monitoring of oxygen concentration is of great importance in many different areas of research which range from medical applications to food packaging. In the last three decades, significant progress has been made in the field of optical sensing technology and this review will highlight the one inherent to the development of oxygen indicators. The first section outlines the bioanalytical fields in which optical oxygen sensors have been applied. The second section gives the reader a comprehensive summary of the existing oxygen indicators with a critical highlight on their photophysical and sensing properties. Altogether, this review is meant to give the potential user a guide to select the most suitable oxygen indicator for the particular application of interest.
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46
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Fischer LH, Karakus C, Meier RJ, Risch N, Wolfbeis OS, Holder E, Schäferling M. Referenced Dual Pressure- and Temperature-Sensitive Paint for Digital Color Camera Read Out. Chemistry 2012; 18:15706-13. [DOI: 10.1002/chem.201201358] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Indexed: 01/27/2023]
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47
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Wang XD, Meier RJ, Wolfbeis OS. Fluorescent pH-sensitive nanoparticles in an agarose matrix for imaging of bacterial growth and metabolism. Angew Chem Int Ed Engl 2012; 52:406-9. [PMID: 23047845 DOI: 10.1002/anie.201205715] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2012] [Indexed: 01/21/2023]
Abstract
Living color: fluorescent pH-sensitive nanoparticles 12 nm in diameter were prepared and incorporated into agarose gel in a Petri dish to image pH changes during bacterial growth and metabolism.
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Affiliation(s)
- Xu-dong Wang
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, Germany.
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48
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Wang XD, Meier RJ, Wolfbeis OS. Fluorescent pH-Sensitive Nanoparticles in an Agarose Matrix for Imaging of Bacterial Growth and Metabolism. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205715] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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49
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Wang XD, Stolwijk JA, Lang T, Sperber M, Meier RJ, Wegener J, Wolfbeis OS. Ultra-Small, Highly Stable, and Sensitive Dual Nanosensors for Imaging Intracellular Oxygen and pH in Cytosol. J Am Chem Soc 2012; 134:17011-4. [DOI: 10.1021/ja308830e] [Citation(s) in RCA: 193] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xu-dong Wang
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Judith A. Stolwijk
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Thomas Lang
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Michaela Sperber
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Robert J. Meier
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Joachim Wegener
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
| | - Otto S. Wolfbeis
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
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50
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New luminescent oxygen-sensing and temperature-sensing materials based on gadolinium(III) and europium(III) complexes embedded in an acridone–polystyrene conjugate. Anal Bioanal Chem 2012; 404:2797-806. [DOI: 10.1007/s00216-012-6244-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2012] [Revised: 07/01/2012] [Accepted: 07/02/2012] [Indexed: 12/19/2022]
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