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Feng X, Ren Z, Cao Y, Sui W, Wang F, Wu J, Zhou J, Zhang F, Zhou W, Shen C. Hydrogel binding sodium alginate based optical fiber surface plasmon resonance for calcium ion trace detection. Anal Chim Acta 2024; 1316:342870. [PMID: 38969414 DOI: 10.1016/j.aca.2024.342870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/09/2024] [Accepted: 06/11/2024] [Indexed: 07/07/2024]
Abstract
A plasmonic tilted fiber Bragg grating (TFBG)-based sensor for the detection of calcium ion (Ca2+) was proposed and demonstrated experimentally. Hydrogel material was synthesized by utilizing hydrogen bond recombination between cellulose nanocrystals (CNC) and polyvinyl alcohol (PVA). Sodium alginate (SA) was incorporated into this hydrogel material, resulting in a composite membrane with specific binding properties for Ca2+. The membrane was applied as a coating on the surface of a gold-coated TFBG. The CNC/PVA-SA modified gold on the TFBG surface enhanced the localized refractive index changes caused by variations of Ca2+ concentrations. The experimental results demonstrated an impressive limit of detection (LOD) of approximately 0.025 fM, which is five orders of magnitude better than the current LODs of similar Ca2+ sensors. And the proposed Ca2+ sensor exhibited a wide dynamic range of 10-16 M to 10-6 M.
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Affiliation(s)
- Xijie Feng
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Ziqiao Ren
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Yunjie Cao
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Wenbo Sui
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Fuxiang Wang
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Jun Wu
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Jun Zhou
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Fanli Zhang
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Wenjun Zhou
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China
| | - Changyu Shen
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang, 310018, China.
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Li J, Warren-Smith SC, McLaughlin RA, Ebendorff-Heidepriem H. Single-fiber probes for combined sensing and imaging in biological tissue: recent developments and prospects. BIOMEDICAL OPTICS EXPRESS 2024; 15:2392-2405. [PMID: 38633092 PMCID: PMC11019705 DOI: 10.1364/boe.517920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 04/19/2024]
Abstract
Single-fiber-based sensing and imaging probes enable the co-located and simultaneous observation and measurement (i.e., 'sense' and 'see') of intricate biological processes within deep anatomical structures. This innovation opens new opportunities for investigating complex physiological phenomena and potentially allows more accurate diagnosis and monitoring of disease. This prospective review starts with presenting recent studies of single-fiber-based probes for concurrent and co-located fluorescence-based sensing and imaging. Notwithstanding the successful initial demonstration of integrated sensing and imaging within single-fiber-based miniaturized devices, the realization of these devices with enhanced sensing sensitivity and imaging resolution poses notable challenges. These challenges, in turn, present opportunities for future research, including the design and fabrication of complex lens systems and fiber architectures, the integration of novel materials and other sensing and imaging techniques.
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Affiliation(s)
- Jiawen Li
- School of Electrical and Mechanical Engineering, The University of Adelaide, South Australia, 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia, 5005, Australia
| | - Stephen C. Warren-Smith
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia, 5005, Australia
- Future Industries Institute, The University of South Australia, Mawson Lakes, South Australia, 5095, Australia
| | - Robert A. McLaughlin
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia, 5005, Australia
- Faculty of Health and Medical Sciences, The University of Adelaide, South Australia, 5005, Australia
| | - Heike Ebendorff-Heidepriem
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia, 5005, Australia
- School of Physics, Chemistry and Earth Sciences, The University of Adelaide, South Australia, 5005, Australia
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Chen J, Meng H, Fang Z, Lukman I, Gao J, Liao J, Deng Q, Sun L, Gooneratne R. An "off-on" fluorescent nanosensor for the detection of cadmium ions based on APDC-etched CdTe/CdS/SiO 2 quantum dots. Heliyon 2024; 10:e26980. [PMID: 38463779 PMCID: PMC10920365 DOI: 10.1016/j.heliyon.2024.e26980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/12/2024] Open
Abstract
In this study, we have developed a novel fluorescent "OFF-ON" quantum dots (QDs) sensor based on CdTe/CdS/SiO2 cores. Ammonium pyrrolidine dithiocarbamate (APDC), ethylenediamine tetraacetic acid (EDTA), and 1,10-phenanthroline (Phen) served as potential chemical etchants. Among these three etchants, APDC exhibited the most pronounced quenching effect (94.06%). The APDC-etched CdTe/CdS/SiO2 QDs demonstrated excellent optical properties: the fluorescence of the APDC-etched CdTe/CdS/SiO2 QDs system (excitation wavelength: 365 nm and emission wavelength: 622 nm) was significantly and selectively restored upon the addition of cadmium ions (Cd2+) (89.22%), compared to 15 other metal ions. The linear response of the APDC-etched CdTe/CdS/SiO2 QDs was observed within the cadmium ion (Cd2+) concentration ranges of 0-20 μmol L-1 and 20-160 μmol L-1 under optimized conditions (APDC: 300 μmol L-1, pH: 7.0, reaction time: 10 min). The detection limit (LOD) of the APDC-etched CdTe/CdS/SiO2 QDs for Cd2+ was 0.3451 μmol L-1 in the range of 0-20 μmol L-1. The LOD achieved by the QDs in this study surpasses that of the majority of previously reported nanomaterials. The feasibility of using APDC-etched CdTe/CdS/SiO2 QDs for Cd2+ detection in seawater, freshwater, and milk samples was verified, with average recoveries of 95.27%-110.68%, 92%-106.47%, and 90.73%-111.60%, respectively, demonstrating satisfactory analytical precision (RSD ≤ 8.26).
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Affiliation(s)
- Jiaqian Chen
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Haimei Meng
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Zhijia Fang
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Iddrisu Lukman
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Jialong Gao
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Jianmeng Liao
- Zhanjiang Institute for Food and Drug Control, Zhanjiang, 524022, China
| | - Qi Deng
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Lijun Sun
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Provincial Engineering Technology, Research Center of Marine Food, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Continuing Education, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Ravi Gooneratne
- Department of Wine, Food and Molecular Biosciences, Lincoln University, Lincoln, Canterbury, 7647, New Zealand
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Fu J, Wynne R. Microfluidic analysis of 3T3 cellular transport in a photonic crystal fiber: part I. APPLIED OPTICS 2024; 63:1272-1281. [PMID: 38437307 DOI: 10.1364/ao.506695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/27/2023] [Indexed: 03/06/2024]
Abstract
This microfluidic-optical fiber sensor is an experimental system designed to transport and monitor 3D cell cultures, facilitating medical research and technology. This system includes a photonic crystal fiber with a hollow core diameter of 22 µm, which functions as a bridge between two microfluidic devices. The purpose of this system was to transport 3T3 cells (of diameters from 15 µm to 23 µm) between the two devices. At low Reynold's and capillary numbers, spectroscopic analysis confirmed the presence of cellular aggregation at the interface of the fiber and microfluidic device. The transcapillary conductance, T C, is a separate analysis that models the behavior of a cellular aggregate through the hollow channel of a photonic crystal fiber. For the experimental system, conventional fluid mechanics theory is limited and requires special treatment of conditions at the microscale, such that transcapillary conductance treatment was employed. The transcapillary conductance, T C, was empirically derived to model cellular transport at the microfluidic scale and is useful for comparing transport events. For example, for a pressure differential of Δ p=1.5⋅103 c m H 2 O, the transcapillary conductance values were determined to be 10-12
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Keyvan Rad J, Balzade Z, Mahdavian AR. Spiropyran-based advanced photoswitchable materials: A fascinating pathway to the future stimuli-responsive devices. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2022. [DOI: 10.1016/j.jphotochemrev.2022.100487] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Pandey SC, Kumar A, Sahu SK. Single Step Green Synthesis of Carbon Dots from Murraya koenigii leaves; A Unique Turn-off Fluorescent contrivance for Selective Sensing of Cd (II) ion. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112620] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Rotake D, Darji A, Kale N. Ultrasensitive detection of cadmium ions using a microcantilever-based piezoresistive sensor for groundwater. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1242-1253. [PMID: 32874824 PMCID: PMC7445416 DOI: 10.3762/bjnano.11.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 07/29/2020] [Indexed: 06/11/2023]
Abstract
This paper proposes the selective and ultrasensitive detection of Cd(II) ions using a cysteamine-functionalized microcantilever-based sensor with cross-linked ᴅʟ-glyceraldehyde (DL-GC). The detection time for various laboratory-based techniques is generally 12-24 hours. The experiments were performed to create self-assembled monolayers (SAMs) of cysteamine cross-linked with ᴅʟ-glyceraldehyde on the microcantilever surface to selectively capture the targeted Cd(II). The proposed portable microfluidic platform is able to achieve the detection in 20-23 min with a limit of detection (LOD) of 0.56 ng (2.78 pM), which perfectly describes its excellent performance over other reported techniques. Many researchers used nanoparticle-based sensors for the detection of heavy metal ions, but daily increasing usage and commercialization of nanoparticles are rapidly expanding their deleterious effect on human health and the environment. The proposed technique uses a blend of thin-film and microcantilever (micro-electromechanical systems) technology, which mitigate the disadvantages of the nanoparticle approaches, for the selective detection of Cd(II) with a LOD below the WHO limit of 3 μg/L.
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Affiliation(s)
- Dinesh Rotake
- Department of Electronics Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
| | - Anand Darji
- Department of Electronics Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
| | - Nitin Kale
- The Chief Technology Officer, NanoSniff Technologies Pvt. Ltd., F-14, 1st Floor, IITB Research Park, Old CSE Building, IIT Bombay, Powai, Mumbai – 76, India
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Xu Z, He X, He Y, Zhao X, Batmunkh M, Li H, Wang Y, Cao J, Ma T. A luminescent terbium coordination complex as multifunctional sensing platform. Talanta 2020; 208:120363. [PMID: 31816807 DOI: 10.1016/j.talanta.2019.120363] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/04/2019] [Accepted: 09/15/2019] [Indexed: 12/26/2022]
Abstract
In this paper, we report the synthesis of a multifunctional fluorescent probe Tb-CP, Tb(HL)(EtOH)2(NO3)2 (HPU-10) (H2L = 2,6-bis-(5-pyridin-4-yl-1H-[1,2,4]triazol-3-yl)- pyridine), and demonstrate that this novel chemosensor has the property of ratiometric detection of Zn2+ and Cd2+. The detection limit of HPU-10 sensing Zn2+ and Cd2+ is 0.319 and 0.965 μM, respectively. The sensing mechanism can be explained by (i) the decomposition of HPU-10 and (ii) the recombination of Zn2+ or Cd2+ with ligand forming 2HL--Zn2+ or 2HL--Cd2+, respectively. Moreover, the fluorescent sensor HPU-10 can detect the nitroaromatic compound 2, 4-DNP via a fluorescence quenching mechanism. The detection limits obtained from linear regression curve plots of 2, 4-DNP is calculated to be 1.69 μM. In addition, the possible use of the probe coated paper for tracing the target analytes has also been presented.
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Affiliation(s)
- Zhouqing Xu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China; Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Xinglei He
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Yaling He
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Xiaolei Zhao
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Munkhbayar Batmunkh
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Huijun Li
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China.
| | - Yuan Wang
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Jianliang Cao
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Tianyi Ma
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW, 2308, Australia.
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Wu W, Jia M, Zhang Z, Chen X, Zhang Q, Zhang W, Li P, Chen L. Sensitive, selective and simultaneous electrochemical detection of multiple heavy metals in environment and food using a lowcost Fe 3O 4 nanoparticles/fluorinated multi-walled carbon nanotubes sensor. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 175:243-250. [PMID: 30903880 DOI: 10.1016/j.ecoenv.2019.03.037] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/06/2019] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
Multiple heavy metals pollution in environment and food has become an ever-increasing concern and poses a serious threat towards humans and animals. To broad the multiple heavy metals detection, Fe3O4 nanoparticles, Fe3O4/multi-walled carbon nanotubes (Fe3O4/MWCNTs) and Fe3O4/fluorinated multi-walled carbon nanotubes (Fe3O4/F-MWCNTs) nanocomposites were synthesized by hydrothermal method and constructed as a simultaneous electrochemical sensor, respectively. Compared the catalytic performances of the three electrochemical sensors for the simultaneous detection of Cd2+, Pb2+, Cu2+, and Hg2+, the results showed that the Fe3O4/F-MWCNTs sensor demonstrated preponderant performance. It showed the sensitivity of 108.79, 125.91, 160.85, and 312.65 μA mM-1 cm-2 toward Cd2+, Pb2+, Cu2+, and Hg2+, respectively, which was obviously higher than that of Fe3O4/MWCNTs and Fe3O4. Additionally, the Fe3O4/F-MWCNTs sensor exhibited the wider linear detection ranges of 0.5-30.0, 0.5-30.0, 0.5-30.0, and 0.5-20.0 μM for Cd2+, Pb2+, Cu2+, and Hg2+, respectively. The limit of detections of the Fe3O4/F-MWCNTs sensor were 0.05, 0.08, 0.02, and 0.05 nM (signal to noise ratio of 3) for Cd2+, Pb2+, Cu2+, and Hg2+, respectively, fulfilling the governmental requests of the World Health Organization, China and Indian. The excellent agreement was recorded between the lowcost Fe3O4/F-MWCNTs sensor and typical methods (inductively coupled plasma mass spectrometry or atomic fluorescence spectrometry) in river water and soybean samples. Additionally, the sensor also exhibited excellent performances in selectivity, recovery, stability, and reproducibility. This proposal sensor provides a promising strategy to monitor multiple targets in the environment and food.
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Affiliation(s)
- Wenqin Wu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Mingming Jia
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Zhaowei Zhang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062, China.
| | - Xiaomei Chen
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - Qi Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan, 430062, China; Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan, 430062, China
| | - Wen Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan, 430062, China; Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan, 430062, China
| | - Peiwu Li
- Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture, Wuhan, 430062, China; National Reference Laboratory for Biotoxin Test, PR China, Wuhan, 430062, China
| | - Lin Chen
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
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Wang P, An Y, Liao Y. A novel peptide-based fluorescent chemosensor for Cd(II) ions and its applications in bioimaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 216:61-68. [PMID: 30878846 DOI: 10.1016/j.saa.2019.03.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 03/05/2019] [Accepted: 03/06/2019] [Indexed: 06/09/2023]
Abstract
Nowadays, it is of great significance to develop a novel fluorescent chemosensor for Cd(II) ions detection with cost-effective, rapid, facile and applicable to environment and biological milieus. Herein, we report a new peptide-based fluorescent chemosensor DSC (Dan-Ser-Cys-NH2) based on dipeptide (Ser-Cys-NH2) conjugated with dansyl group, which was synthesized using solid phase peptide synthesis (SPPS) technology. As designed, DSC exhibited fluorescent "turn-on" response for Cd2+ in 100% aqueous solution over a wide range of pH values based on photoinduced electron transfer (PET). The stoichiometry binding of DSC and Cd2+ was determined to be 2:1 by Job's plot and ESI-MS analysis. Furthermore, DSC showed highly sensitive for Cd2+ and a low detection limit of 13.8 nM. What's more, DSC has cell permeability and low cytotoxicity, and fluorescence imaging experiments demonstrated that DSC was capable of monitoring Cd2+ in living HK2 cells by confocal microscopy.
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Affiliation(s)
- Peng Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637002, PR China.
| | - Yong An
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, The Second Hospital of Lanzhou University, Lanzhou, Gansu 730030, PR China
| | - Yunwen Liao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637002, PR China
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Wang P, Duan L, Liao Y. A retrievable and highly selective peptide-based fluorescent probe for detection of Cd2+ and Cys in aqueous solutions and live cells. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Chernyshev AV, Guda AA, Cannizzo A, Solov’eva EV, Voloshin NA, Rusalev Y, Shapovalov VV, Smolentsev G, Soldatov AV, Metelitsa AV. Operando XAS and UV–Vis Characterization of the Photodynamic Spiropyran–Zinc Complexes. J Phys Chem B 2019; 123:1324-1331. [DOI: 10.1021/acs.jpcb.8b11010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- A. V. Chernyshev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachka Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - A. A. Guda
- The Smart Materials Research Institute, Southern Federal University, Sladkova Street 178/24, 344090 Rostov-on-Don, Russia
| | - A. Cannizzo
- Institute of Applied Physics, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland
| | - E. V. Solov’eva
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachka Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - N. A. Voloshin
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachka Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - Yu. Rusalev
- The Smart Materials Research Institute, Southern Federal University, Sladkova Street 178/24, 344090 Rostov-on-Don, Russia
| | - V. V. Shapovalov
- The Smart Materials Research Institute, Southern Federal University, Sladkova Street 178/24, 344090 Rostov-on-Don, Russia
| | | | - A. V. Soldatov
- The Smart Materials Research Institute, Southern Federal University, Sladkova Street 178/24, 344090 Rostov-on-Don, Russia
| | - A. V. Metelitsa
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachka Avenue, 194/2, 344090 Rostov-on-Don, Russia
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Chromogenic systems based on 8-(1,3-benzoxazol-2-yl) substituted spirobenzopyrans undergoing ion modulated photochromic rearrangements. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.04.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Diao H, Guo L, Liu W, Feng L. A novel polymer probe for Zn(II) detection with ratiometric fluorescence signal. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 196:274-280. [PMID: 29466780 DOI: 10.1016/j.saa.2018.02.036] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 02/05/2018] [Accepted: 02/10/2018] [Indexed: 06/08/2023]
Abstract
A conjugated polymer probe comprised of fluorene, quinolone and benzothiazole units was designed and synthesized by the Suzuki coupling reaction. Through the studies of photophysical and thermal properties, the polymer displays blue-emitting feature and good thermal stability. A ratiometric fluorescence signal of the probe for Zn(II) was observed in ethanol with a new emission peak at 555 nm. The probe possesses a high selectivity and sensitivity for Zn(II) during familiar metal ions in ethanol. The detection limit of the probe for Zn (II) is up to 10-8 mol/L. The electron distributions of the polymer before and after bonding with Zn (II) were investigated by the Gaussian 09 software, which agreed with the experimental results. Noticeably, based on the color property of the probe with Zn(II), a series of color test paper were developed for visual detecting Zn(II) ions. This work helps to provide a platform or pattern for the development of polymer fluorescence probe in the chemosensor field.
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Affiliation(s)
- Haipeng Diao
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, PR China
| | - Lixia Guo
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, PR China
| | - Wen Liu
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, PR China
| | - Liheng Feng
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, PR China.
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Dzhardimalieva GI, Uflyand IE. Design Strategies of Metal Complexes Based on Chelating Polymer Ligands and Their Application in Nanomaterials Science. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0841-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Sylvia GM, Heng S, Bachhuka A, Ebendorff-Heidepriem H, Abell AD. A spiropyran with enhanced fluorescence: A bright, photostable and red-emitting calcium sensor. Tetrahedron 2018. [DOI: 10.1016/j.tet.2017.11.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Heng S, Reineck P, Vidanapathirana AK, Pullen BJ, Drumm DW, Ritter LJ, Schwarz N, Bonder CS, Psaltis PJ, Thompson JG, Gibson BC, Nicholls SJ, Abell AD. Rationally Designed Probe for Reversible Sensing of Zinc and Application in Cells. ACS OMEGA 2017; 2:6201-6210. [PMID: 30023765 PMCID: PMC6044982 DOI: 10.1021/acsomega.7b00923] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 09/08/2017] [Indexed: 05/19/2023]
Abstract
Biologically compatible fluorescent ion sensors, particularly those that are reversible, represent a key tool for answering a range of fundamental biological questions. We report a rationally designed probe with a 6'-fluoro spiropyran scaffold (5) for the reversible sensing of zinc (Zn2+) in cells. The 6'-fluoro substituent overcomes several limitations normally associated with spiropyran-based sensors to provide an improved signal-to-background ratio and faster photoswitching times in aqueous solution. In vitro studies were performed with 5 and the 6'-nitro analogues (6) in HEK 293 and endothelial cells. The new spiropyran (5) can detect exogenous Zn2+ inside both cell types and without affecting the proliferation of endothelial cells. Studies were also performed on dying HEK 293 cells, with results demonstrating the ability of the key compound to detect endogenous Zn2+ efflux from cells undergoing apoptosis. Biocompatibility and photoswitching of 5 were demonstrated within endothelial cells but not with 6, suggesting the future applicability of sensor 5 to study intracellular Zn2+ efflux in these systems.
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Affiliation(s)
- Sabrina Heng
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
- E-mail:
| | - Philipp Reineck
- CNBP, School of Science, RMIT
University, Melbourne, Victoria 3001, Australia
| | - Achini K. Vidanapathirana
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Benjamin J. Pullen
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Daniel W. Drumm
- CNBP, School of Science, RMIT
University, Melbourne, Victoria 3001, Australia
| | - Lesley J. Ritter
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Nisha Schwarz
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Claudine S. Bonder
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Peter J. Psaltis
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Jeremy G. Thompson
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Brant C. Gibson
- CNBP, School of Science, RMIT
University, Melbourne, Victoria 3001, Australia
| | - Stephen J. Nicholls
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Andrew D. Abell
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
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19
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A novel water-soluble highly selective “switch-on” ionic liquid-based fluorescent chemi-sensor for Ca(II). J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.06.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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20
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Chen W, Lin Y, Zhang X, Xu N, Cheng P. A new cadmium-organic framework fluorescent sensor for Al 3+ and Ca 2+ ions in aqueous medium. INORG CHEM COMMUN 2017. [DOI: 10.1016/j.inoche.2017.03.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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21
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Solovyova EV, Rostovtseva IA, Shepelenko KE, Voloshin NA, Chernyshev AV, Borodkin GS, Metelitsa AV, Minkin VI. Synthesis and complex formation of spirobenzopyranindolines containing rhodamine fragment. RUSS J GEN CHEM+ 2017. [DOI: 10.1134/s107036321705019x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Balmuri SR, Selvaraj U, Kumar VV, Anthony SP, Tsatsakis AM, Golokhvast KS, Raman T. Effect of surfactant in mitigating cadmium oxide nanoparticle toxicity: Implications for mitigating cadmium toxicity in environment. ENVIRONMENTAL RESEARCH 2017; 152:141-149. [PMID: 27771568 DOI: 10.1016/j.envres.2016.10.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 10/04/2016] [Accepted: 10/09/2016] [Indexed: 06/06/2023]
Abstract
Cadmium (Cd), classified as human carcinogen, is an extremely toxic heavy metal pollutant, and there is an increasing environmental concern for cadmium exposure through anthropogenic sources including cigarette smoke. Though Cd based nanoparticles such as cadmium oxide (CdO) are being widely used in a variety of clinical and industrial applications, the toxicity of CdO nanoparticles has not been well characterized. Herein we report the toxicity of CdO nanoparticles employing zebrafish as a model. Two different CdO nanoparticles were prepared, calcination of Cd(OH)2 without any organic molecule (CdO-1) and calcination of Cd-citrate coordination polymer (CdO-2), to evaluate and compare the toxicity of these two different CdO nanoparticles. Results show that zebrafish exposed to CdO-2 nanoparticles expressed reduced toxicity as judged by lower oxidative stress levels, rescue of liver carboxylesterases and reduction in metallothionein activity compared to CdO-1 nanoparticles. Histopathological observations also support our contention that CdO-1 nanoparticles showed higher toxicity relative to CdO-2 nanoparticles. The organic unit of Cd-citrate coordination polymer might have converted into carbon during calcination that might have covered the surface of CdO nanoparticles. This carbon surface coverage can control the release of Cd2+ ions in CdO-2 compared to non-covered CdO-1 nanoparticles and hence mitigate the toxicity in the case of CdO-2. This was supported by atomic absorption spectrophotometer analyses of Cd2+ ions release from CdO-1 and CdO-2 nanoparticles. Thus the present study clearly demonstrates the toxicity of CdO nanoparticles in an aquatic animal and also indicates that the toxicity could be substantially reduced by carbon coverage. This could have important implications in terms of anthropogenic release and environmental pollution caused by Cd and human exposure to Cd2+ from sources such as cigarette smoke.
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Affiliation(s)
- Sricharani Rao Balmuri
- Department of Bioengineering, School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India
| | - Uthra Selvaraj
- Department of Biotechnology, School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India
| | - Vadivel Vinod Kumar
- Department of Chemistry, School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India
| | - Savarimuthu Philip Anthony
- Department of Chemistry, School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India.
| | - Aristides Michael Tsatsakis
- Department of Forensic Sciences and Toxicology, Medical School, University of Crete, Heraklion 71003, Greece; Scientific Educational Center of Nanotechnology, Far Eastern Federal University, Vladivostok 690990, Russian Federation
| | - Kirill Sergeevich Golokhvast
- Scientific Educational Center of Nanotechnology, Far Eastern Federal University, Vladivostok 690990, Russian Federation
| | - Thiagarajan Raman
- Department of Bioengineering, School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India; Centre for Research in Infectious Diseases (CRID), School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India.
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23
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Heng S, McDevitt CA, Kostecki R, Morey JR, Eijkelkamp BA, Ebendorff-Heidepriem H, Monro TM, Abell AD. Microstructured Optical Fiber-based Biosensors: Reversible and Nanoliter-Scale Measurement of Zinc Ions. ACS APPLIED MATERIALS & INTERFACES 2016; 8:12727-32. [PMID: 27152578 DOI: 10.1021/acsami.6b03565] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Sensing platforms that allow rapid and efficient detection of metal ions would have applications in disease diagnosis and study, as well as environmental sensing. Here, we report the first microstructured optical fiber-based biosensor for the reversible and nanoliter-scale measurement of metal ions. Specifically, a photoswitchable spiropyran Zn(2+) sensor is incorporated within the microenvironment of a liposome attached to microstructured optical fibers (exposed-core and suspended-core microstructured optical fibers). Both fiber-based platforms retains high selectivity of ion binding associated with a small molecule sensor, while also allowing nanoliter volume sampling and on/off switching. We have demonstrated that multiple measurements can be made on a single sample without the need to change the sensor. The ability of the new sensing platform to sense Zn(2+) in pleural lavage and nasopharynx of mice was compared to that of established ion sensing methodologies such as inductively coupled plasma mass spectrometry (ICP-MS) and a commercially available fluorophore (Fluozin-3), where the optical-fiber-based sensor provides a significant advantage in that it allows the use of nanoliter (nL) sampling when compared to ICP-MS (mL) and FluoZin-3 (μL). This work paves the way to a generic approach for developing surface-based ion sensors using a range of sensor molecules, which can be attached to a surface without the need for its chemical modification and presents an opportunity for the development of new and highly specific ion sensors for real time sensing applications.
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Affiliation(s)
- Sabrina Heng
- ARC Center of Excellence for Nanoscale BioPhotonics, Institute for Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
| | - Christopher A McDevitt
- Research Center for Infectious Diseases, School of Biological Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
| | - Roman Kostecki
- ARC Center of Excellence for Nanoscale BioPhotonics, Institute for Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
| | - Jacqueline R Morey
- Research Center for Infectious Diseases, School of Biological Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
| | - Bart A Eijkelkamp
- Research Center for Infectious Diseases, School of Biological Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
| | - Heike Ebendorff-Heidepriem
- ARC Center of Excellence for Nanoscale BioPhotonics, Institute for Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
| | - Tanya M Monro
- The University of South Australia , Adelaide, South Australia 5000, Australia
| | - Andrew D Abell
- ARC Center of Excellence for Nanoscale BioPhotonics, Institute for Photonics and Advanced Sensing, Department of Chemistry, School of Physical Sciences, The University of Adelaide , Adelaide, South Australia 5005, Australia
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24
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Warren-Smith SC, André RM, Perrella C, Dellith J, Bartelt H. Direct core structuring of microstructured optical fibers using focused ion beam milling. OPTICS EXPRESS 2016; 24:378-387. [PMID: 26832268 DOI: 10.1364/oe.24.000378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We demonstrate the use of focused ion beam milling to machine optical structures directly into the core of microstructured optical fibers. The particular fiber used was exposed-core microstructured optical fiber, which allowed direct access to the optically guiding core. Two different designs of Fabry-Perot cavity were fabricated and optically characterized. The first cavity was formed by completely removing a section of the fiber core, while the second cavity consisted of a shallow slot milled into the core, leaving the majority of the core intact. This work highlights the possibility of machining complex optical devices directly onto the core of microstructured optical fibers using focused ion beam milling for applications including environmental, chemical, and biological sensing.
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25
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Sahoo PR, Kumar S. Synthesis of an optically switchable salicylaldimine substituted naphthopyran for selective and reversible Cu2+ recognition in aqueous solution. RSC Adv 2016. [DOI: 10.1039/c5ra24857d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A light controlled reversible switch for copper ion was synthesized by substituting photochromic naphthopyran with a salicylaldimine moiety.
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Affiliation(s)
| | - Satish Kumar
- Department of Chemistry
- St. Stephen’s College
- Delhi – 110007
- India
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26
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Purdey MS, Thompson JG, Monro TM, Abell AD, Schartner EP. A Dual Sensor for pH and Hydrogen Peroxide Using Polymer-Coated Optical Fibre Tips. SENSORS 2015; 15:31904-13. [PMID: 26694413 PMCID: PMC4721812 DOI: 10.3390/s151229893] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 12/07/2015] [Accepted: 12/11/2015] [Indexed: 11/16/2022]
Abstract
This paper demonstrates the first single optical fibre tip probe for concurrent detection of both hydrogen peroxide (H2O2) concentration and pH of a solution. The sensor is constructed by embedding two fluorophores: carboxyperoxyfluor-1 (CPF1) and seminaphtharhodafluor-2 (SNARF2) within a polymer matrix located on the tip of the optical fibre. The functionalised fibre probe reproducibly measures pH, and is able to accurately detect H2O2 over a biologically relevant concentration range. This sensor offers potential for non-invasive detection of pH and H2O2 in biological environments using a single optical fibre.
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Affiliation(s)
- Malcolm S Purdey
- ARC Centre of Excellence for Nanoscale BioPhotonics, Adelaide 5005, SA, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
- Discipline of Chemistry, School of Physical Sciences, The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
| | - Jeremy G Thompson
- ARC Centre of Excellence for Nanoscale BioPhotonics, Adelaide 5005, SA, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
- Robinson Research Institute, School of Medicine, The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
| | - Tanya M Monro
- ARC Centre of Excellence for Nanoscale BioPhotonics, Adelaide 5005, SA, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
- University of South Australia, North Terrace, Adelaide 5001, SA, Australia.
| | - Andrew D Abell
- ARC Centre of Excellence for Nanoscale BioPhotonics, Adelaide 5005, SA, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
- Discipline of Chemistry, School of Physical Sciences, The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
| | - Erik P Schartner
- ARC Centre of Excellence for Nanoscale BioPhotonics, Adelaide 5005, SA, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, North Terrace, Adelaide 5005, SA, Australia.
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27
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Yue Y, Huo F, Lee S, Yin C, Yoon J, Chao J, Zhang Y, Cheng F. A Dual Colorimetric/Fluorescence System for Determining pH Based on the Nucleophilic Addition Reaction of an o
-Hydroxymerocyanine Dye. Chemistry 2015; 22:1239-43. [DOI: 10.1002/chem.201504395] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Yongkang Yue
- Institute of Molecular Science; Shanxi University; Taiyuan 030-006 P. R. China
| | - Fangjun Huo
- Research Institute of Applied Chemistry; Shanxi University; Taiyuan 030-006 P. R. China
- Department of Chemistry; University of Missouri; 601 South college Avenue Columbia Missouri 65211 USA
| | - Songyi Lee
- Department of Chemistry and Nano Science; Ewha Womans University; Seoul 120-750 Korea
| | - Caixia Yin
- Institute of Molecular Science; Shanxi University; Taiyuan 030-006 P. R. China
- Department of Chemistry; University of Missouri; 601 South college Avenue Columbia Missouri 65211 USA
| | - Juyoung Yoon
- Department of Chemistry and Nano Science; Ewha Womans University; Seoul 120-750 Korea
| | - Jianbin Chao
- Research Institute of Applied Chemistry; Shanxi University; Taiyuan 030-006 P. R. China
| | - Yongbin Zhang
- Research Institute of Applied Chemistry; Shanxi University; Taiyuan 030-006 P. R. China
| | - Fangqin Cheng
- Institute of Molecular Science; Shanxi University; Taiyuan 030-006 P. R. China
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28
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Wang P, Wu J, Liu L, Zhou P, Ge Y, Liu D, Liu W, Tang Y. A peptide-based fluorescent chemosensor for measuring cadmium ions in aqueous solutions and live cells. Dalton Trans 2015; 44:18057-64. [PMID: 26411376 DOI: 10.1039/c5dt03156g] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel peptide fluorescent chemosensor (H2L) with a lysine backbone and both -NH2 sites conjugated with cysteine and dansyl groups has been designed and synthesized by solid phase peptide synthesis with Fmoc chemistry. This chemosensor is a promising analytical tool for detecting Cd(2+) based on the photo-induced electron transfer (PET) effect by turn-on response in 100% aqueous solutions. As designed, H2L exhibits excellent cell permeation and low biotoxicity as well as displaying relatively high selectivity and sensitivity. The chemosensor penetrated live HeLa cells and detected intracellular Cd(2+) by turn-on response. The binding stoichiometry and affinity, interference test, pH sensitivity, fluorescence quantum yield, quantum mechanical calculations, lifetimes, and cytotoxicity of the chemosensor H2L to Cd(2+) were also investigated. Moreover, H2L exhibits low biotoxicity with a limit of detection (LOD) for Cd(2+) of about 52 nM, implying that H2L can be used as a highly selective and sensitive peptide fluorescent chemosensor in biological systems.
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Affiliation(s)
- Peng Wang
- Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China.
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29
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Chhatwal M, Kumar A, Singh V, Gupta RD, Awasthi SK. Addressing of multiple-metal ions on a single platform. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.02.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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30
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Cheng F, He C, Ren M, Wang F, Yang Y. Two dinuclear Ru(II) polypyridyl complexes with different photophysical and cation recognition properties. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 136 Pt B:845-851. [PMID: 25459607 DOI: 10.1016/j.saa.2014.09.103] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Revised: 08/21/2014] [Accepted: 09/11/2014] [Indexed: 06/04/2023]
Abstract
Two dinuclear Ru(II) polypyridyl complexes functionalized with vacant coordination sites have been designed and synthesized. Their photophysical properties and interactions with various metal ions have been investigated at room temperature. The two complexes exhibit different UV/Vis absorption and emission intensities. When titrated with various metal ions, complex [{Ru(bpy)2}2(μ2-L(1))](4+) exhibits a notable fluorescence quenching in the presence of Cu(2+) in H2O-CH3CN media (1:1, v/v); its analogous complex [{Ru(bpy)2}2(μ2-L(2))](4+) exhibits no cation selectivity, the fluorescence intensity of complex [{Ru(bpy)2}2(μ2-L(2))](4+) has been enhanced by several transition metal ions due to prevention of the photo-induced electron transfer process. The fluorescence titration spectra and Benesi-Hildebrand expression reveal the formation of a 1:1 bonding mode between [{Ru(bpy)2}2(μ2-L(1))](4+) and Cu(2+) ion with the association constant of 5.50×10(4) M(-1).
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Affiliation(s)
- Feixiang Cheng
- College of Chemistry and Chemical Engineering, Qujing Normal University, Qujing 655011, PR China.
| | - Chixian He
- College of Chemistry and Chemical Engineering, Qujing Normal University, Qujing 655011, PR China
| | - Mingli Ren
- College of Chemistry and Chemical Engineering, Qujing Normal University, Qujing 655011, PR China
| | - Fan Wang
- College of Chemistry and Chemical Engineering, Qujing Normal University, Qujing 655011, PR China
| | - Yuting Yang
- College of Chemistry and Chemical Engineering, Qujing Normal University, Qujing 655011, PR China
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31
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Huang WH, Li JZ, Liu T, Gao LS, Jiang M, Zhang YN, Wang YY. A stable 3D porous coordination polymer as multi-chemosensor to Cr(iv) anion and Fe(iii) cation and its selective adsorption of malachite green oxalate dye. RSC Adv 2015. [DOI: 10.1039/c5ra20015f] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
A 3D porous coordination polymer was synthesized by three solvent-thermal methods. The sensing and titration experiments show that it can detect Fe(iii) cation and Cr(vi) anions (Cr2O72− or CrO42−). Besides, it can selectively adsorb the malachite green oxalate dye.
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Affiliation(s)
- Wen-Huan Huang
- College of Chemistry & Chemical Engineering
- Shaanxi University of Science & Techology
- Xi'an
- China
| | - Jia-Zhi Li
- College of Chemistry & Chemical Engineering
- Shaanxi University of Science & Techology
- Xi'an
- China
| | - Tong Liu
- College of Chemistry & Chemical Engineering
- Shaanxi University of Science & Techology
- Xi'an
- China
| | - Lu-Sha Gao
- College of Chemistry & Chemical Engineering
- Shaanxi University of Science & Techology
- Xi'an
- China
| | - Min Jiang
- College of Chemistry & Chemical Engineering
- Shaanxi University of Science & Techology
- Xi'an
- China
| | - Ya-Nan Zhang
- College of Chemistry & Chemical Engineering
- Shaanxi University of Science & Techology
- Xi'an
- China
| | - Yao-Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710069
- China
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32
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Warren-Smith SC, Kostecki R, Nguyen LV, Monro TM. Fabrication, splicing, Bragg grating writing, and polyelectrolyte functionalization of exposed-core microstructured optical fibers. OPTICS EXPRESS 2014; 22:29493-29504. [PMID: 25606883 DOI: 10.1364/oe.22.029493] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Femtosecond laser written Bragg gratings have been written in exposed-core microstructured optical fibers with core diameters ranging from 2.7 µm to 12.5 µm and can be spliced to conventional single mode fiber. Writing a Bragg grating on an open core fiber allows for real-time refractive index based sensing, with a view to multiplexed biosensing. Smaller core fibers are shown both experimentally and theoretically to provide a higher sensitivity. A 7.5 µm core diameter fiber is shown to provide a good compromise between sensitivity and practicality and was used for monitoring the deposition of polyelectrolyte layers, an important first step in developing a biosensor.
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33
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Chai X, Zhang L, Tian Y. Ratiometric Electrochemical Sensor for Selective Monitoring of Cadmium Ions Using Biomolecular Recognition. Anal Chem 2014; 86:10668-73. [DOI: 10.1021/ac502521f] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Xiaolan Chai
- Department
of Chemistry, Tongji University, Siping Road 1239, Shanghai 200092, People’s Republic of China
| | - Limin Zhang
- Department
of chemistry, East China Normal University, North Zhongshan Road 3663, Shanghai 200062, People’s Republic of China
| | - Yang Tian
- Department
of chemistry, East China Normal University, North Zhongshan Road 3663, Shanghai 200062, People’s Republic of China
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