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Depauw A, Jonusauskaite L, Ghasemi R, Lefevre JP, Mongin C, Génot V, Delaire J, Leray I. A Highly Sensitive and Selective Optical Sensor for the On-Line Detection of Cesium in Water. SENSORS (BASEL, SWITZERLAND) 2023; 23:7826. [PMID: 37765882 PMCID: PMC10534878 DOI: 10.3390/s23187826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/15/2023] [Accepted: 08/26/2023] [Indexed: 09/29/2023]
Abstract
In this study, we have undertaken the development of two fluorescent sensors based on calixarene compounds for the purpose of detecting cesium in water. By introducing the sulfonate functional groups, we have considerably improved the water solubility of sensors, enabling complete dissolution of products in aqueous media and direct analysis of polluted water samples. Through rigorous experiments, we have demonstrated that the complexation of Cs+ ions with sensors 1 and 2 in water leads to a remarkable enhancement of fluorescence. This fluorescence enhancement serves as a reliable indication of cesium presence and allows for sensitive detection. To further advance the practical application of our sensors, we have successfully integrated calixarene sensors 1 and 2 into a microfluidic sensor chip. This integration has enabled real-time, on-line measurements and has resulted in the development of a portable detection device capable of detecting cesium ions in water samples at parts per billion (ppb) levels. This device holds great promise for environmental monitoring and assessment, providing a convenient and efficient solution for cesium detection. Our work represents a significant advancement in the field of cesium detection, displaying the efficacy of calixarene-based fluorescent sensors and their integration into microfluidic systems. The enhanced water solubility, fluorescence response, and portability of our detection device offers tremendous potential for applications in environmental monitoring, water quality assessment, and emergency response scenarios where rapid and accurate cesium detection is crucial.
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Affiliation(s)
- Alexis Depauw
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
| | - Laura Jonusauskaite
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
| | - Rasta Ghasemi
- Institut d’Alembert—FR 3242, ENS Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France;
| | - Jean-Pierre Lefevre
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
| | - C. Mongin
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
| | - Valérie Génot
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
| | - Jacques Delaire
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
| | - Isabelle Leray
- CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, ENS Paris-Saclay, Université Paris-Saclay, 4 Avenue des Sciences, 91190 Gif-sur-Yvette, France; (A.D.); (L.J.); (C.M.); (V.G.); (J.D.)
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Zheng K, Yang L, Liu H, Chen X, Li X, Lu M. Flexible Stacked Perovskite Photodetectors for High-Efficiency Multicolor Fluorescence Detection. ACS APPLIED MATERIALS & INTERFACES 2023; 15:40799-40808. [PMID: 37585675 DOI: 10.1021/acsami.3c06793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
A flexible, multicolor detector based on stacked perovskite layers with graded band gaps was presented. Different perovskite layers generate a series of photocurrents corresponding to light intensities at different wavelengths. Experimentally, the flexible detector demonstrated acceptable long-term stability and temperature stability in the bending state. To demonstrate the advantages of the flexible multicolor detector in biological applications, a tubular-shaped multicolor fluorescence detector that embraces the sample cell was constructed. As a result, the detection limits of three kinds of CdTe quantum dots (QDs) with central wavelengths of 545, 625, and 730 nm were 0.52, 0.85, and 0.43 nM, respectively, which was significantly improved by more than 10 times compared to those of planar detectors. Additionally, the detector was able to detect three kinds of QDs simultaneously in a mixed solution, and the relative deviation was smaller than 10% compared to the preset concentration. These results demonstrate that the flexible stacked perovskite detector and the tubular-shaped detection configuration hold promise for the simultaneous fluorescent detection of multiple biomolecules.
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Affiliation(s)
- Kai Zheng
- School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Longkai Yang
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, P. R. China
| | - Haowei Liu
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, P. R. China
| | - Xinyi Chen
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, P. R. China
| | - Xin Li
- School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Miao Lu
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, P. R. China
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Hein R, Beer PD. Halogen bonding and chalcogen bonding mediated sensing. Chem Sci 2022; 13:7098-7125. [PMID: 35799814 PMCID: PMC9214886 DOI: 10.1039/d2sc01800d] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/10/2022] [Indexed: 11/21/2022] Open
Abstract
Sigma-hole interactions, in particular halogen bonding (XB) and chalcogen bonding (ChB), have become indispensable tools in supramolecular chemistry, with wide-ranging applications in crystal engineering, catalysis and materials chemistry as well as anion recognition, transport and sensing. The latter has very rapidly developed in recent years and is becoming a mature research area in its own right. This can be attributed to the numerous advantages sigma-hole interactions imbue in sensor design, in particular high degrees of selectivity, sensitivity and the capability for sensing in aqueous media. Herein, we provide the first detailed overview of all developments in the field of XB and ChB mediated sensing, in particular the detection of anions but also neutral (gaseous) Lewis bases. This includes a wide range of optical colorimetric and luminescent sensors as well as an array of electrochemical sensors, most notably redox-active host systems. In addition, we discuss a range of other sensor designs, including capacitive sensors and chemiresistors, and provide a detailed overview and outlook for future fundamental developments in the field. Importantly the sensing concepts and methodologies described herein for the XB and ChB mediated sensing of anions, are generically applicable for the development of supramolecular receptors and sensors in general, including those for cations and neutral molecules employing a wide array of non-covalent interactions. As such we believe this review to be a useful guide to both the supramolecular and general chemistry community with interests in the fields of host-guest recognition and small molecule sensing. Moreover, we also highlight the need for a broader integration of supramolecular chemistry, analytical chemistry, synthetic chemistry and materials science in the development of the next generation of potent sensors.
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Affiliation(s)
- Robert Hein
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Paul D Beer
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
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Hopmann E, Shahriar BY, Elezzabi AY. On-chip high ion sensitivity electrochromic nanophotonic light modulator. NANOSCALE 2022; 14:6526-6534. [PMID: 35420615 DOI: 10.1039/d2nr00646d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Since the discovery of electrochromism, the prospect of employing various electrochromic materials for smart window glass, variable reflectivity mirrors, and large-area displays has been the main drive for such an intriguing phenomenon. However, with advances in nanofabrication and the emergence of improved electrochromic materials offering reversible large changes in dielectric properties upon electrically induced redox reactions, the application strategies are starting to encompass the field of nanophotonics and nanoplasmonics. Herein, a novel strategy is proposed and demonstrated for offering both ultrahigh light modulation depth and high sensitivity ion detection in a single nanophotonic waveguiding platform. By using WO3 to ionically-drive dynamic light control via modulating the refractive index and the losses within the waveguide at ±1.5 V, ultrahigh optical modulation depth of 106, rapid response speed of <0.56 s, long cyclic life, and very sensitive Na+ ion detection ability in 1 mM-1 M concentration, are achieved within a volume of a few μm3. It is envisioned that our introduction of such a multifunctional electrochromic nanophotonic waveguide platform will stimulate and promote further efforts toward fundamental research on technologically promising on-chip integrated next-generation nanophotonic and nanoplasmonic devices for various niche applications.
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Affiliation(s)
- Eric Hopmann
- Ultrafast Optics and Nanophotonics Laboratory, Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4, Canada.
| | - Basem Y Shahriar
- Ultrafast Optics and Nanophotonics Laboratory, Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4, Canada.
| | - Abdulhakem Y Elezzabi
- Ultrafast Optics and Nanophotonics Laboratory, Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4, Canada.
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Fuchs S, Johansson S, Tjell AØ, Werr G, Mayr T, Tenje M. In-Line Analysis of Organ-on-Chip Systems with Sensors: Integration, Fabrication, Challenges, and Potential. ACS Biomater Sci Eng 2021; 7:2926-2948. [PMID: 34133114 PMCID: PMC8278381 DOI: 10.1021/acsbiomaterials.0c01110] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 05/27/2021] [Indexed: 12/31/2022]
Abstract
Organ-on-chip systems are promising new in vitro research tools in medical, pharmaceutical, and biological research. Their main benefit, compared to standard cell culture platforms, lies in the improved in vivo resemblance of the cell culture environment. A critical aspect of these systems is the ability to monitor both the cell culture conditions and biological responses of the cultured cells, such as proliferation and differentiation rates, release of signaling molecules, and metabolic activity. Today, this is mostly done using microscopy techniques and off-chip analytical techniques and assays. Integrating in situ analysis methods on-chip enables improved time resolution, continuous measurements, and a faster read-out; hence, more information can be obtained from the developed organ and disease models. Integrated electrical, electrochemical, and optical sensors have been developed and used for chemical analysis in lab-on-a-chip systems for many years, and recently some of these sensing principles have started to find use in organ-on-chip systems as well. This perspective review describes the basic sensing principles, sensor fabrication, and sensor integration in organ-on-chip systems. The review also presents the current state of the art of integrated sensors and discusses future potential. We bring a technological perspective, with the aim of introducing in-line sensing and its promise to advance organ-on-chip systems and the challenges that lie in the integration to researchers without expertise in sensor technology.
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Affiliation(s)
- Stefanie Fuchs
- Institute
for Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
| | - Sofia Johansson
- Department
of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, Box 35, 751 03 Uppsala, Sweden
| | - Anders Ø. Tjell
- Institute
for Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
| | - Gabriel Werr
- Department
of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, Box 35, 751 03 Uppsala, Sweden
| | - Torsten Mayr
- Institute
for Analytical Chemistry and Food Chemistry, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
| | - Maria Tenje
- Department
of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, Box 35, 751 03 Uppsala, Sweden
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Liao Z, Zhang Y, Li Y, Miao Y, Gao S, Lin F, Deng Y, Geng L. Microfluidic chip coupled with optical biosensors for simultaneous detection of multiple analytes: A review. Biosens Bioelectron 2019; 126:697-706. [DOI: 10.1016/j.bios.2018.11.032] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 11/13/2018] [Accepted: 11/19/2018] [Indexed: 11/15/2022]
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Pfeiffer SA, Nagl S. Microfluidic platforms employing integrated fluorescent or luminescent chemical sensors: a review of methods, scope and applications. Methods Appl Fluoresc 2015; 3:034003. [DOI: 10.1088/2050-6120/3/3/034003] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Florea L, Fay C, Lahiff E, Phelan T, O'Connor NE, Corcoran B, Diamond D, Benito-Lopez F. Dynamic pH mapping in microfluidic devices by integrating adaptive coatings based on polyaniline with colorimetric imaging techniques. LAB ON A CHIP 2013; 13:1079-1085. [PMID: 23358572 DOI: 10.1039/c2lc41065f] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In this paper we present a microfluidic device that has integrated pH optical sensing capabilities based on polyaniline. The optical properties of polyaniline coatings change in response to the pH of the solution that is flushed inside the microchannel offering the possibility of monitoring pH in continuous flow over a wide pH range throughout the entire channel length. This work also features an innovative detection system for spatial localisation of chemical pH gradients along microfluidic channels through the use of a low cost optical device. Specifically, the use of a microfluidic channel coated with polyaniline is shown to respond colorimetrically to pH and that effect is detected by the detection system, even when pH gradients are induced within the channel. This study explores the capability of detecting this gradient by means of imaging techniques and the mapping of the camera's response to its corresponding pH after a successful calibration process. The provision of an inherently responsive channel means that changes in the pH of a sample moving through the system can be detected dynamically using digital imaging along the entire channel length in real time, without the need to add reagents to the sample. This approach is generic and can be applied to other chemically responsive coatings immobilised on microchannels.
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Affiliation(s)
- Larisa Florea
- CLARITY: Centre for Sensor Web Technologies, National Centre for Sensor Research, Dublin City University, Dublin, Ireland
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Ding L, Liu Y, Cao Y, Wang L, Xin Y, Fang Y. A single fluorescent self-assembled monolayer film sensor with discriminatory power. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm30697b] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lu H, Qi S, Mack J, Li Z, Lei J, Kobayashi N, Shen Z. Facile Hg2+ detection in water using fluorescent self-assembled monolayers of a rhodamine-based turn-on chemodosimeter formed via a “click” reaction. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm11319d] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Mozharov S, Nordon A, Girkin JM, Littlejohn D. Non-invasive analysis in micro-reactors using Raman spectrometry with a specially designed probe. LAB ON A CHIP 2010; 10:2101-2107. [PMID: 20544108 DOI: 10.1039/c004248j] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
An optical interface has been designed to maximise the sensitivity and spatial resolution required when Raman spectrometry is used to monitor a reaction in a micro-reactor, revealing advantages over a conventional commercial probe. A miniature aspheric lens was shown to be better than microscope objectives to focus the probing laser beam onto the sample. The diameters of the exciting and collection optical fibres were also shown to have a significant influence on sensitivity and the signal-to-background ratio, with 62.5 microm diameter 0.28 numerical aperture (NA) fibres found to be best for analysis of liquids in the 150 microm deep channel in the micro-reactor used. With a spectral measurement time of 2 s, it was shown that the probe could monitor the progress of an esterification reaction in real time and quickly optimise the reagent flow rates. The fast response time revealed features related to short-term pump instabilities and micro-reactor rheology effects that would not have been identified without rapid real-time measurements.
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Affiliation(s)
- Sergey Mozharov
- WestCHEM, Department of Pure and Applied Chemistry and CPACT, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK
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Ding L, Fang Y. Chemically assembled monolayers of fluorophores as chemical sensing materials. Chem Soc Rev 2010; 39:4258-73. [DOI: 10.1039/c003028g] [Citation(s) in RCA: 119] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Fluorescence Based Sensor Arrays. LUMINESCENCE APPLIED IN SENSOR SCIENCE 2010; 300:139-74. [DOI: 10.1007/128_2010_97] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Schüler T, Kretschmer R, Jessing S, Urban M, Fritzsche W, Möller R, Popp J. A disposable and cost efficient microfluidic device for the rapid chip-based electrical detection of DNA. Biosens Bioelectron 2009; 25:15-21. [DOI: 10.1016/j.bios.2009.05.040] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2009] [Revised: 05/19/2009] [Accepted: 05/21/2009] [Indexed: 10/20/2022]
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Johnson RD, Gavalas VG, Daunert S, Bachas LG. Microfluidic ion-sensing devices. Anal Chim Acta 2008; 613:20-30. [DOI: 10.1016/j.aca.2008.02.041] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2007] [Revised: 02/17/2008] [Accepted: 02/25/2008] [Indexed: 10/22/2022]
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