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Colorimetric optical nanosensors for trace explosive detection using metal nanoparticles: advances, pitfalls, and future perspective. Emerg Top Life Sci 2021; 5:367-379. [PMID: 33960382 DOI: 10.1042/etls20200281] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 04/07/2021] [Accepted: 04/19/2021] [Indexed: 11/17/2022]
Abstract
Warfare threats and acts of terror are challenging situations encountered by defense agencies across the globe and are of growing concern to the general public, and security-minded policy makers. Detecting ultra-low quantities of explosive compounds in remote locations or under harsh conditions for anti-terror purposes as well as the environmental monitoring of residual or discarded explosives in soil, remains a major challenge. The use of metal nanoparticles (NPs) for trace explosive detection has drawn considerable interest in recent years. For nano-based explosive sensor devices to meet real-life operational demands, analytical parameters such as, long-shelf life, stability under harsh conditions, ease-of-use, high sensitivity, excellent selectivity, and rapid signal response must be met. Generally, the analytical performance of colorimetric-based nanosensor systems is strongly dependent on the surface properties of the nanomaterial used in the colorimetric assay. The size and shape properties of metal NPs, surface functionalisation efficiency, and assay fabrication methods, are factors that influence the efficacy of colorimetric explosive nanosensor systems. This review reports on the design and analytical performances of colorimetric explosive sensor systems using metal NPs as optical signal transducers. The challenges of trace explosive detection, advances in metal NP colorimetric explosive design, limitations of each methods, and possible strategies to mitigate the problems are discussed.
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Chen Y, Chen W, Chen Q, Peng C, He D, Zhou K. Removal of ammonia-nitrogen in wastewater using a novel poly ligand exchanger-Zn(II)-loaded chelating resin. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2019; 79:126-136. [PMID: 30816869 DOI: 10.2166/wst.2019.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In this study, a novel poly ligand exchanger-Zn(II)-loaded resin was designed to effectively remove ammonia-nitrogen (NH3-N) from wastewater. The surface morphology and structure of the Zn-loaded resin were characterized using scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) and Fourier transform infrared spectroscopy (FTIR), respectively. SEM shows the surfaces of the Zn(II)-loaded resin were rough and nonporous and EDS demonstrated that Zn2+ was loaded onto the resin successfully. In addition, the combination form of Zn(II) with NH3-N adsorption reagent was revealed by FTIR spectra; the complex could be R-N-R-O-Zn-O-R-N-R and R-N-R-(O-Zn)2. The kinetics and equilibrium of the NH3-N adsorption onto the Zn(II)-loaded resin has been investigated. The effects of pH, reaction time, and temperature on NH3-N removal from wastewater by Zn(II)-loaded resin were investigated, and the results showed that the maximum adsorption capacity reached 38.55 mg/g at pH 9.54 at 298 K in 240 min. The adsorption ability of the modified resin decreased with an increase in temperature. Moreover, the NH3-N adsorption followed a pseudo-second-order kinetic process. The kinetic data demonstrated that the adsorption process might be limited by a variety of mechanisms. The study can provide the scientific foundation for the extensive application of a novel poly ligand exchanger-Zn(II)-loaded resin to remove NH3-N from wastewater.
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Affiliation(s)
- Yan Chen
- School of Metallurgy and Environment, Central South University, Changsha 410083, China E-mail:
| | - Wei Chen
- School of Metallurgy and Environment, Central South University, Changsha 410083, China E-mail:
| | - Quanzhou Chen
- School of Metallurgy and Environment, Central South University, Changsha 410083, China E-mail:
| | - Changhong Peng
- School of Metallurgy and Environment, Central South University, Changsha 410083, China E-mail:
| | - Dewen He
- School of Metallurgy and Environment, Central South University, Changsha 410083, China E-mail:
| | - Kanggen Zhou
- School of Metallurgy and Environment, Central South University, Changsha 410083, China E-mail:
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Abdellatif AAH, Tawfeek HM. Development and evaluation of fluorescent gold nanoparticles. Drug Dev Ind Pharm 2018; 44:1679-1684. [PMID: 29939766 DOI: 10.1080/03639045.2018.1483400] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE It is difficult to identify the gold nanoparticles (AuNPs) intracellularly due to their non-fluorescent nature. Although gold can quench the fluorescence of any fluorophore, hence it is also difficult to combine gold with a fluorophore such as a semiconductor quantum dots (QDs). The aim of this study was to prepare a single fluorescent stable AuNPs combined with QDs (QDs-Au-NPs) which can be easily detected intracellularly. METHODS QDs-Au-NPs were prepared via a simple one-step process through controlling the spacing between them using polyethylene glycol (PEG) as space linker in the form of PEGylated QDs. Furthermore, the applicability of this system was evaluated after coating the particles with somatostatin citrate, SST, to active target somatostatin receptors (SSTRs), and identification of the internalized particles via confocal laser scanning spectroscopy. RESULTS The results showed that the produced Au shell has a thickness of 2.0 ± 0.2 nm and QDs-Au-NPs showed the same fluorescence intensity compared to the unmodified QDs. Additionally, a stable monodisperse QDs-Au-NPs coated with SST were prepared after coating with 11-Mercaptoundecanoic acid. Moreover, cellular uptake study in Human Caucasian breast adenocarcinoma cell lines showed that QDs-Au-SST-NPs could be detected easily using the confocal microscope. In addition, they showed a significant (p ≤ .05) internalization per cell compared to untreated QDs-Au-NPs as detected by flow cytometry. CONCLUSION It could be concluded that the produced QDs-Au-NPs has a strong fluorescence property like QDs which enable them to be easily detected after cells internalization.
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Affiliation(s)
- Ahmed A H Abdellatif
- a Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy , Al Azhar University , Assuit , Egypt.,b Department of Pharmaceutics, Faculty of Pharmacy , Qassim University , Buraydah , Al- Qassim , Kingdom of Saudi Arabia
| | - Hesham M Tawfeek
- c Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy , Mutah University, Mutah , Karak , Jordan.,d Department of Industrial Pharmacy, Faculty of Pharmacy , Assiut University , Assiut , Egypt
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Chen Q, Zhou K, Chen Y, Wang A, Liu F. Removal of ammonia from aqueous solutions by ligand exchange onto a Cu(ii)-loaded chelating resin: kinetics, equilibrium and thermodynamics. RSC Adv 2017. [DOI: 10.1039/c6ra28287c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A poly ligand exchanger (PLE), Cu(ii)-loaded chelating resin (ammonia adsorption reagent, named AMAR) was prepared to efficiently remove ammonia from solutions by ligand exchange.
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Affiliation(s)
- Quanzhou Chen
- Department of Environmental Engineering
- School of Metallurgy and Environment
- Central South University
- Changsha 410083
- P. R. China
| | - Kanggen Zhou
- Department of Environmental Engineering
- School of Metallurgy and Environment
- Central South University
- Changsha 410083
- P. R. China
| | - Yan Chen
- Department of Environmental Engineering
- School of Metallurgy and Environment
- Central South University
- Changsha 410083
- P. R. China
| | - Aihe Wang
- Department of Environmental Engineering
- School of Metallurgy and Environment
- Central South University
- Changsha 410083
- P. R. China
| | - Fang Liu
- Department of Environmental Engineering
- School of Metallurgy and Environment
- Central South University
- Changsha 410083
- P. R. China
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Oh E, Liu R, Nel A, Gemill KB, Bilal M, Cohen Y, Medintz IL. Meta-analysis of cellular toxicity for cadmium-containing quantum dots. NATURE NANOTECHNOLOGY 2016; 11:479-86. [PMID: 26925827 DOI: 10.1038/nnano.2015.338] [Citation(s) in RCA: 276] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 12/16/2015] [Indexed: 04/14/2023]
Abstract
Understanding the relationships between the physicochemical properties of engineered nanomaterials and their toxicity is critical for environmental and health risk analysis. However, this task is confounded by material diversity, heterogeneity of published data and limited sampling within individual studies. Here, we present an approach for analysing and extracting pertinent knowledge from published studies focusing on the cellular toxicity of cadmium-containing semiconductor quantum dots. From 307 publications, we obtain 1,741 cell viability-related data samples, each with 24 qualitative and quantitative attributes describing the material properties and experimental conditions. Using random forest regression models to analyse the data, we show that toxicity is closely correlated with quantum dot surface properties (including shell, ligand and surface modifications), diameter, assay type and exposure time. Our approach of integrating quantitative and categorical data provides a roadmap for interrogating the wide-ranging toxicity data in the literature and suggests that meta-analysis can help develop methods for predicting the toxicity of engineered nanomaterials.
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Affiliation(s)
- Eunkeu Oh
- Optical Sciences Division, Code 5611, US Naval Research Laboratory, Washington, Washington DC 20375, USA
- Sotera Defense Solutions, Columbia, Maryland 21046, USA
| | - Rong Liu
- Institute of the Environment and Sustainability, University of California, Los Angeles, California 90095-1496, USA
- Center for Environmental Implications of Nanotechnology, University of California, Los Angeles, California 90095-7227, USA
| | - Andre Nel
- Center for Environmental Implications of Nanotechnology, University of California, Los Angeles, California 90095-7227, USA
- Department of Medicine, Division of NanoMedicine, University of California, Los Angeles, California 90095, USA
| | - Kelly Boeneman Gemill
- Center for Bio/Molecular Science and Engineering, Code 6900, US Naval Research Laboratory, SW Washington, Washington DC 20375, USA
| | - Muhammad Bilal
- Center for Environmental Implications of Nanotechnology, University of California, Los Angeles, California 90095-7227, USA
| | - Yoram Cohen
- Institute of the Environment and Sustainability, University of California, Los Angeles, California 90095-1496, USA
- Center for Environmental Implications of Nanotechnology, University of California, Los Angeles, California 90095-7227, USA
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095-1592, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, US Naval Research Laboratory, SW Washington, Washington DC 20375, USA
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Zhou W, Cao Y, Sui D, Lu C. Turn-On Luminescent Probes for the Real-Time Monitoring of Endogenous Hydroxyl Radicals in Living Cells. Angew Chem Int Ed Engl 2016; 55:4236-41. [DOI: 10.1002/anie.201511868] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 01/30/2016] [Indexed: 12/26/2022]
Affiliation(s)
- Wenjuan Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
| | - Yuqing Cao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
| | - Dandan Sui
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
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Zhou W, Cao Y, Sui D, Lu C. Turn-On Luminescent Probes for the Real-Time Monitoring of Endogenous Hydroxyl Radicals in Living Cells. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511868] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wenjuan Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
| | - Yuqing Cao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
| | - Dandan Sui
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; PO Box 79 100029 Beijing China
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Zhou W, Cao Y, Sui D, Lu C. Radical Pair-Driven Luminescence of Quantum Dots for Specific Detection of Peroxynitrite in Living Cells. Anal Chem 2016; 88:2659-65. [DOI: 10.1021/acs.analchem.5b03827] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Wenjuan Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yuqing Cao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Dandan Sui
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Pan F, Liu L, Dong S, Lu C. A new approach for bisphenol A detection employing fluorosurfactant-capped gold nanoparticle-amplified chemiluminescence from cobalt(II) and peroxymonocarbonate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 128:393-397. [PMID: 24682053 DOI: 10.1016/j.saa.2014.02.153] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 02/19/2014] [Accepted: 02/21/2014] [Indexed: 06/03/2023]
Abstract
In this work, we utilized the nonionic fluorosurfactant-capped gold nanoparticles (GNPs) as a novel chemiluminescence (CL) probe for the determination of trace bisphenol A. Bisphenol A can induce a sharp decrease in CL intensity from the GNP-Co(2+)-peroxymonocarbonate (HCO4(-)) system. Under the selected experimental conditions, a linear relationship was obtained between the CL intensity and the logarithm of concentration of bisphenol A in the range of 0.05-50 μM (R(2) = 0.9936), and the detection limit at a signal-to-noise ratio of 3 for bisphenol A was 10 nM. The applicability of the proposed method has been validated by determining bisphenol A in real polycarbonate samples with satisfactory results. The recoveries for bisphenol A in spiked samples were found to be between 94.4% and 105.0%. The relative standard deviation (RSD) for 12 repeated measurements of 0.5 μM bisphenol A was 2.2%. The proposed method described herein was simple, selective and obviated the need of extensive sample pretreatment.
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Affiliation(s)
- Feng Pan
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, XinXiang, Henan 453007, China
| | - Lin Liu
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, XinXiang, Henan 453007, China
| | - Shichao Dong
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
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Han S, Wang J, Jia S. Turn‐off–on chemiluminescence determination of cyanide. LUMINESCENCE 2014; 30:38-43. [DOI: 10.1002/bio.2687] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 02/26/2014] [Accepted: 03/23/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Suqin Han
- School of Chemistry and Material ScienceShanxi Normal University Linfen 041004 Shanxi People's Republic of China
| | - Jianbo Wang
- Journal Editorial DepartmentShanxi Normal University Linfen 041004 Shanxi People's Republic of China
| | - Shize Jia
- School of Chemistry and Material ScienceShanxi Normal University Linfen 041004 Shanxi People's Republic of China
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Applications in analytical chemistry using the attractive properties of non-ionic fluorosurfactants. Trends Analyt Chem 2014. [DOI: 10.1016/j.trac.2013.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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