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Kant K, Beeram R, Cao Y, Dos Santos PSS, González-Cabaleiro L, García-Lojo D, Guo H, Joung Y, Kothadiya S, Lafuente M, Leong YX, Liu Y, Liu Y, Moram SSB, Mahasivam S, Maniappan S, Quesada-González D, Raj D, Weerathunge P, Xia X, Yu Q, Abalde-Cela S, Alvarez-Puebla RA, Bardhan R, Bansal V, Choo J, Coelho LCC, de Almeida JMMM, Gómez-Graña S, Grzelczak M, Herves P, Kumar J, Lohmueller T, Merkoçi A, Montaño-Priede JL, Ling XY, Mallada R, Pérez-Juste J, Pina MP, Singamaneni S, Soma VR, Sun M, Tian L, Wang J, Polavarapu L, Santos IP. Plasmonic nanoparticle sensors: current progress, challenges, and future prospects. NANOSCALE HORIZONS 2024. [PMID: 39240539 PMCID: PMC11378978 DOI: 10.1039/d4nh00226a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2024]
Abstract
Plasmonic nanoparticles (NPs) have played a significant role in the evolution of modern nanoscience and nanotechnology in terms of colloidal synthesis, general understanding of nanocrystal growth mechanisms, and their impact in a wide range of applications. They exhibit strong visible colors due to localized surface plasmon resonance (LSPR) that depends on their size, shape, composition, and the surrounding dielectric environment. Under resonant excitation, the LSPR of plasmonic NPs leads to a strong field enhancement near their surfaces and thus enhances various light-matter interactions. These unique optical properties of plasmonic NPs have been used to design chemical and biological sensors. Over the last few decades, colloidal plasmonic NPs have been greatly exploited in sensing applications through LSPR shifts (colorimetry), surface-enhanced Raman scattering, surface-enhanced fluorescence, and chiroptical activity. Although colloidal plasmonic NPs have emerged at the forefront of nanobiosensors, there are still several important challenges to be addressed for the realization of plasmonic NP-based sensor kits for routine use in daily life. In this comprehensive review, researchers of different disciplines (colloidal and analytical chemistry, biology, physics, and medicine) have joined together to summarize the past, present, and future of plasmonic NP-based sensors in terms of different sensing platforms, understanding of the sensing mechanisms, different chemical and biological analytes, and the expected future technologies. This review is expected to guide the researchers currently working in this field and inspire future generations of scientists to join this compelling research field and its branches.
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Affiliation(s)
- Krishna Kant
- CINBIO, Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain.
- Department of Biotechnology, School of Engineering and Applied Sciences, Bennett University, Greater Noida, UP, India
| | - Reshma Beeram
- Advanced Centre of Research in High Energy Materials (ACRHEM), DRDO Industry Academia - Centre of Excellence (DIA-COE), University of Hyderabad, Hyderabad 500046, Telangana, India
| | - Yi Cao
- School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Paulo S S Dos Santos
- INESC TEC-Institute for Systems and Computer Engineering, Technology and Science, Rua Dr Alberto Frias, 4200-465 Porto, Portugal
| | | | - Daniel García-Lojo
- CINBIO, Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain.
| | - Heng Guo
- Department of Biomedical Engineering, and Center for Remote Health Technologies and Systems, Texas A&M University, College Station, TX 77843, USA
| | - Younju Joung
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
| | - Siddhant Kothadiya
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
| | - Marta Lafuente
- Department of Chemical & Environmental Engineering, Campus Rio Ebro, C/Maria de Luna s/n, 50018 Zaragoza, Spain
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - Yong Xiang Leong
- Division of Chemistry and Biological Chemistry, School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Yiyi Liu
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - Yuxiong Liu
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - Sree Satya Bharati Moram
- Advanced Centre of Research in High Energy Materials (ACRHEM), DRDO Industry Academia - Centre of Excellence (DIA-COE), University of Hyderabad, Hyderabad 500046, Telangana, India
| | - Sanje Mahasivam
- Sir Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Sonia Maniappan
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517 507, India
| | - Daniel Quesada-González
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193, Barcelona, Spain
| | - Divakar Raj
- Department of Allied Sciences, School of Health Sciences and Technology, UPES, Dehradun, 248007, India
| | - Pabudi Weerathunge
- Sir Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Xinyue Xia
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Qian Yu
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
| | - Sara Abalde-Cela
- International Iberian Nanotechnology Laboratory (INL), 4715-330 Braga, Portugal
| | - Ramon A Alvarez-Puebla
- Department of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, Tarragona, Spain
- ICREA-Institució Catalana de Recerca i Estudis Avançats, 08010, Barcelona, Spain
| | - Rizia Bardhan
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
| | - Vipul Bansal
- Sir Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Jaebum Choo
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
| | - Luis C C Coelho
- INESC TEC-Institute for Systems and Computer Engineering, Technology and Science, Rua Dr Alberto Frias, 4200-465 Porto, Portugal
- FCUP, University of Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - José M M M de Almeida
- INESC TEC-Institute for Systems and Computer Engineering, Technology and Science, Rua Dr Alberto Frias, 4200-465 Porto, Portugal
- Department of Physics, University of Trás-os-Montes e Alto Douro, 5001-801 Vila Real, Portugal
| | - Sergio Gómez-Graña
- CINBIO, Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain.
| | - Marek Grzelczak
- Centro de Física de Materiales (CSIC-UPV/EHU) and Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 5, 20018 Donostia San-Sebastián, Spain
| | - Pablo Herves
- CINBIO, Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain.
| | - Jatish Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517 507, India
| | - Theobald Lohmueller
- Chair for Photonics and Optoelectronics, Nano-Institute Munich, Department of Physics, Ludwig-Maximilians-Universität (LMU), Königinstraße 10, 80539 Munich, Germany
| | - Arben Merkoçi
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193, Barcelona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig de Lluís Companys, 23, Barcelona, 08010, Spain
| | - José Luis Montaño-Priede
- Centro de Física de Materiales (CSIC-UPV/EHU) and Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 5, 20018 Donostia San-Sebastián, Spain
| | - Xing Yi Ling
- Division of Chemistry and Biological Chemistry, School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Reyes Mallada
- Department of Chemical & Environmental Engineering, Campus Rio Ebro, C/Maria de Luna s/n, 50018 Zaragoza, Spain
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
| | - Jorge Pérez-Juste
- CINBIO, Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain.
| | - María P Pina
- Department of Chemical & Environmental Engineering, Campus Rio Ebro, C/Maria de Luna s/n, 50018 Zaragoza, Spain
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
| | - Srikanth Singamaneni
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - Venugopal Rao Soma
- Advanced Centre of Research in High Energy Materials (ACRHEM), DRDO Industry Academia - Centre of Excellence (DIA-COE), University of Hyderabad, Hyderabad 500046, Telangana, India
- School of Physics, University of Hyderabad, Hyderabad 500046, Telangana, India
| | - Mengtao Sun
- School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Limei Tian
- Department of Biomedical Engineering, and Center for Remote Health Technologies and Systems, Texas A&M University, College Station, TX 77843, USA
| | - Jianfang Wang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
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Kautu A, Sharma S, Singh R, Negi SS, Singh N, Swain N, Kumar V, Kumar N, Gupta P, Bhatia D, Joshi KB. Metallopeptide nanoreservoirs for concurrent imaging and detoxification of lead (Pb) from human retinal pigment epithelial (hRPE1) cells. NANOSCALE 2024; 16:14940-14952. [PMID: 39046356 DOI: 10.1039/d4nr02236j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Inspired by natural metallopeptides, our work focuses on engineering self-assembling nanostructures of C2-symmetric metallopeptide conjugates (MPC) from a pyridine-bis-tripeptide bioprobe that uniquely detects lead (Pb2+) ions by emitting a fluorescence signal at 450 nm, which is further intensified in the presence of DAPI (λem = 458 nm), enhancing the bioimaging quality. This study enables precise lead quantification by modulating the ionic conformation and morphology. Experimental and theoretical insights elucidate the nanostructure formation mechanism, laying the groundwork for materials encapsulation and advancing lead detoxification. Our proof-of-principle experiment, demonstrating actin filament recovery in lead-treated cells, signifies therapeutic potential for intracellular lead aggregation and introduces novel avenues in biotechnological applications within biomaterials science.
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Affiliation(s)
- Aanand Kautu
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
| | - Shruti Sharma
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
| | - Ramesh Singh
- Department of Biological Sciences and Engineering, Indian Institute of Technology, Palaj, Gujarat 382355, India.
| | - Saurabh Singh Negi
- Computational Catalysis Centre, Department of Chemistry, Indian Institute of Technology Roorkee, 247667 Uttarakhand, India.
| | - Narendra Singh
- Indian Institute of Technology Kanpur, U.P., 208016, India
| | - Narayan Swain
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
| | - Vikas Kumar
- Department of Chemistry, Government College Khimlasha, M.P., India
| | - Nikunj Kumar
- Computational Catalysis Centre, Department of Chemistry, Indian Institute of Technology Roorkee, 247667 Uttarakhand, India.
| | - Puneet Gupta
- Computational Catalysis Centre, Department of Chemistry, Indian Institute of Technology Roorkee, 247667 Uttarakhand, India.
| | - Dhiraj Bhatia
- Department of Biological Sciences and Engineering, Indian Institute of Technology, Palaj, Gujarat 382355, India.
| | - Khashti Ballabh Joshi
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
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Sahraneshin Samani S, Sameiyan E, Tabatabaei Yazdi F, Mortazavi SA, Alibolandi M, Ramezani M, Taghdisi SM, Abnous K. Sandwich-type aptamer-based biosensors for thrombin detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1985-2001. [PMID: 38502201 DOI: 10.1039/d3ay02196c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Thrombin, a proteolytic enzyme, plays an essential role in catalyzing many blood clotting reactions. Thrombin can act as a marker for some blood-related diseases, such as leukemia, thrombosis, Alzheimer's disease and liver disease. Therefore, its diagnosis is of great importance in the fields of biological and medical research. Biosensors containing sandwich-type structures have attracted much consideration owing to their superior features such as reproducible and stable responses with easy improvement in the sensitivity of detection. Sandwich-type platforms can be designed using a pair of receptors that are able to bind to diverse locations of the same target. Herein, we investigate recent advances in the progress and applications of thrombin aptasensors containing a sandwich-type structure, in which two thrombin-binding aptamers (TBAs) identify different parts of the thrombin molecule, leading to the formation of a sandwich structure and ultimately signal detection. We also discuss the pros and cons of these approaches and outline the most logical approach in each section.
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Affiliation(s)
- Somayeh Sahraneshin Samani
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad (FUM), Mashhad, Iran
| | - Elham Sameiyan
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Farideh Tabatabaei Yazdi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad (FUM), Mashhad, Iran
| | - Sayed Ali Mortazavi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad (FUM), Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Park EJ, Ha TH. Pb 2+ Ion Sensors Employing Gold Etching Process: Comparative Investigation on Au Nanorods and Au Nanotriangles. SENSORS (BASEL, SWITZERLAND) 2024; 24:497. [PMID: 38257590 PMCID: PMC10820728 DOI: 10.3390/s24020497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024]
Abstract
The leaching phenomenon of gold (Au) nanomaterials by Pb2+ ions in the presence of 2-mercaptoethanol (2-ME) and thiosulfate (S2O32- ion) has been systematically applied to a Pb2+ ion sensor. To further investigate the role of Pb2+ ions in sensors containing Au nanomaterials, we revisited the leaching conditions for Au nanorods and compared them with the results for Au nanotriangles. By monitoring the etching rate, it was revealed that Pb2+ ions were important for the acceleration of the etching rate mainly driven by 2-ME and S2O32- pairs, and nanomolar detection of Pb2+ ions were shown to be promoted through this catalytic effect. Using the etchant, the overall size of the Au nanorods decreased but showed an unusual red-shift in UV-Vis spectrum indicating increase of aspect ratio. Indeed, the length of Au nanorods decreased by 9.4% with the width decreasing by 17.4% over a 30-min reaction time. On the other hand, the Au nanotriangles with both flat sides surrounded mostly by dense Au{111} planes showed ordinary blue-shift in UV-Vis spectrum as the length of one side was reduced by 21.3%. By observing the changes in the two types of Au nanomaterials, we inferred that there was facet-dependent alloy formation with lead, and this difference resulted in Au nanotriangles showing good sensitivity, but lower detection limits compared to the Au nanorods.
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Affiliation(s)
- Eun Jin Park
- Core Research Facility and Analysis Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea;
- Department of Nanobiotechnology, KRIBB School of Biotechnology, Korea National University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea
| | - Tai Hwan Ha
- Core Research Facility and Analysis Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea;
- Department of Nanobiotechnology, KRIBB School of Biotechnology, Korea National University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea
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Liu DM, Dong C. Gold nanoparticles as colorimetric probes in food analysis: Progress and challenges. Food Chem 2023; 429:136887. [PMID: 37478597 DOI: 10.1016/j.foodchem.2023.136887] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 07/03/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
The rapid, sensitive and reliable food safety control is urgently needed due to the harmful effects of the food contaminants on human health. Colorimetric approach has exhibited promising potential for the detection of food contaminants due to their easy preparation, rapid detection, high sensitivity, and naked-eye sensing. In recent years, AuNPs-based colorimetric probes have been extensively explored for food analysis. The present article reviews the development of AuNPs-based colorimetric probes for colorimetric sensing and their applications in food analysis. It generally summarizes the properties of AuNPs and introduces the preparation and functionalization methods of AuNPs. An overview of the colorimetric sensing mechanisms of AuNPs-based probes and their applications in analysis of food contaminants are also provided. Although AuNPs-based colorimetric probes show many advantages in detection of food contaminants, challenges remain in terms of complexity of food matrices, multiple analytes detection in a single go, and testing conditions interference.
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Affiliation(s)
- Dong-Mei Liu
- Key Lab for Special Functional Materials, Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, School of Materials Science and Engineering, Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng 475004, PR China
| | - Chen Dong
- Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004 PR China.
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Athira ET, Satija J. Plasmonic nanoparticle etching-based optical sensors: current status and future prospects. Analyst 2023; 148:6188-6200. [PMID: 37916263 DOI: 10.1039/d3an01244a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Plasmonic nanoparticles are an emerging tool for developing label-free multicolorimetric sensors for biosensing and chemosensing applications. The color absorbed by nanoparticles from visible light is influenced by their size, shape, orientation, and interparticle distance. Differently sized and shaped gold and silver nanoparticles exhibit a wide range of colors, aiding in the development of label-free sensors. Etching is the process of oxidizing nanoparticles, which alters their aspect ratio, shape, plasmonic peak, and outward appearance. It is typically used to create sensitive sensing platforms. Through etching, analytes could be detected in a simple, sensitive, and selective manner. The multicolor readout of nanoparticle etching-based multicolorimetric sensors can overcome the limitations of conventional colorimetric assays and improve the accuracy of visual inspection. This review discusses different approaches for target sensing using nanoparticle etching strategies like direct etching, enzyme-mediated etching, chemical reaction-driven etching, and anti-etching-based sensors and their mechanisms. In the future, etching strategies could be modified into portable sensing devices to detect a variety of analytes, which will aid in the development of on-time, in situ, and point-of-care sensing systems.
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Affiliation(s)
- E T Athira
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
| | - Jitendra Satija
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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Yi J, Wang Z, Hu J, Yu T, Wang Y, Ge P, Xianyu Y. Point-of-Care Detection of Antioxidant in Agarose-Based Test Strip through Antietching of Au@Ag Nanostars. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37328300 DOI: 10.1021/acsami.3c02440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Antioxidants are crucial for human health, and the detection of antioxidants can provide valuable information for disease diagnosis and health management. In this work, we report a plasmonic sensing approach for the determination of antioxidants based on their antietching capacity toward plasmonic nanoparticles. The Ag shell of core-shell Au@Ag nanostars can be etched by chloroauric acid (HAuCl4), whereas antioxidants can interact with HAuCl4, which prevents the surface etching of Au@Ag nanostars. We modulate the thickness of the Ag shell and morphology of the nanostructures, showing that the core-shell nanostars with the smallest thickness of Ag shell have the best etching sensitivity. Owing to the extraordinary surface plasmon resonance (SPR) property of Au@Ag nanostars, the antietching effect of antioxidants can induce a significant change in both the SPR spectrum and the color of solution, facilitating both the quantitative detection and naked-eye readout. This antietching strategy enables the determination of antioxidants such as cystine and gallic acid with a linear range of 0.1-10 μM. The core-shell Au@Ag nanostars are further immobilized in agarose gels to fabricate test strips, which can display different color changes in the presence of HAuCl4 from 0 to 1000 μM. The agarose-based test strip is also capable of detecting antioxidants in real samples, which allows naked-eye readout and quantitative detection by a smartphone.
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Affiliation(s)
- Jiuhong Yi
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
| | - Zexiang Wang
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
| | - Jing Hu
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
| | - Ting Yu
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
| | - Yidan Wang
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
| | - Pengfei Ge
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
| | - Yunlei Xianyu
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Biosystems Engineering and Food Science, Zhejiang University, 310058 Hangzhou, China
- Key Laboratory of Precision Medicine in Diagnosis and Monitoring Research of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University, 310016 Hangzhou, China
- Ningbo Research Institute, Zhejiang University, 315100 Ningbo, China
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Wang X, Liu S, Zhou J, Zhang S, Hou C, Huo D. Colorimetric detection of Cu 2+ based on the inhibition strategy for etching reaction of AgNCs. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 289:122229. [PMID: 36527967 DOI: 10.1016/j.saa.2022.122229] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/03/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
In this study, an efficient and simple colorimetric method for sensing of Cu2+ was established using inhibition effect of Cu2+ to the etching reaction of silver nanocubes (AgNCs) induced by H2O2. The etching reaction of AgNCs changes its morphology and absorbance with the visual appearance from yellow to colorless. On the contrary, the presence of Cu2+ can significantly inhibit the etching progress. Thus Cu2+ induces the obvious absorbance enhancement compared with AgNCs/H2O2 system. This design realizes colorimetric detection of Cu2+ based on the inhibition effect of etching reaction using AgNCs nanoprobe. The colorimetric response of AgNCs nanoprobe in ΔAbs417.5 shows the linearity with the increasing concentrations of Cu2+ from 0.01 to 40 μM with good selectivity. The concentration limit of Cu2+ efficaciously discriminated by the naked eye is as low as 0.01 μM. Furthermore, the Euclidean distance (ED) of the difference map in RGB change before and after response with Cu2+ is applied for further visualization recognition of Cu2+. All the above results indicate the outstanding practicability and accuracy of the proposed assay for Cu2+ sensing.
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Affiliation(s)
- Xianfeng Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing 400044, PR China; Wuxi School of Medicine, Jiangnan University, Wuxi 214122, PR China
| | - Shasha Liu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing 400044, PR China
| | - Jun Zhou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing 400044, PR China; National Engineering Research Center of Solid-State Brewing, Luzhou Laojiao Group Co. Ltd., Luzhou 646000, PR China
| | - Suyi Zhang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing 400044, PR China; National Engineering Research Center of Solid-State Brewing, Luzhou Laojiao Group Co. Ltd., Luzhou 646000, PR China
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing 400044, PR China.
| | - Danqun Huo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China.
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Picomolar Detection of Lead Ions (Pb 2+) by Functionally Modified Fluorescent Carbon Quantum Dots from Watermelon Juice and Their Imaging in Cancer Cells. J Imaging 2023; 9:jimaging9010019. [PMID: 36662117 PMCID: PMC9865117 DOI: 10.3390/jimaging9010019] [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: 11/12/2022] [Revised: 01/06/2023] [Accepted: 01/10/2023] [Indexed: 01/18/2023] Open
Abstract
Water contamination due to the presence of lead is one of the leading causes of environmental and health hazards because of poor soil and groundwater waste management. Herein we report the synthesis of functionally modified luminescent carbon quantum dots (CQDs) obtained from watermelon juice as potential nanomaterials for the detection of toxic Pb2+ ions in polluted water and cancer cells. By introducing surface passivating ligands such as ethanolamine (EA) and ethylenediamine (ED) in watermelon juice, watermelon-ethanolamine (WMEA)-CQDs and watermelon-ethylenediamine (WMED)-CQDs exhibited a remarkable ~10-fold and ~6-fold increase in fluorescence intensity with respect to non-doped WM-CQDs. The relative fluorescence quantum yields of WMEA-CQDs and WMED-CQDs were found to be 8% and 7%, respectively, in an aqueous medium. Among various functionally-modified CQDs, only WMED-CQDs showed high selectivity towards Pb2+ ions with a remarkably good limit of detection (LoD) of 190 pM, which is less than that of the permissible limit (72 nM) in drinking water. The functionally altered WMED-CQDs detected Pb2+ metal ions in polluted water and in a human cervical cancer cell line (HeLa), thus advocating new vistas for eco-friendly nanomaterials for their use as diagnostic tools in the environment and biomedical research areas.
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Zhi S, Wei Q, Zhang C, Yi C, Li C, Jiang Z. MXene catalytic amplification-fluorescence/absorption dimode aptamer sensor for the detection of trace Pb2+ in milk. Front Nutr 2022; 9:1008620. [PMID: 36330146 PMCID: PMC9622933 DOI: 10.3389/fnut.2022.1008620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/11/2022] [Indexed: 11/23/2022] Open
Abstract
Lead ion (Pb2+) is a toxic heavy metal, which is very harmful to organisms. Therefore, the establishment of a rapid, simple, and sensitive method is of great significance to food safety and human health. It was found that MXeneTi3C2 nanosheet (NS) has a strong catalytic effect on the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) via H2O2 to form the oxidized product (TMBOX); it has a strong fluorescence peak at 415 nm and an absorption (Abs) peak at 295 nm. The aptamer of Pb2+ (Aptpb) can be adsorbed on the surface of an NS to form MXene-Apt conjugates, which reduces its catalytic active sites and inhibits its catalytic activity. When the target Pb2+ is added, it specifically binds with Aptpb to release MXene NSs to enhance the dimode signals. Therefore, a new MXene catalytic fluorescence/absorption dimode aptamer biosenering platform was fabricated for the determination of trace Pb2+ in milk and water samples, with the fluorescence assay linear range (LR) of 5.0 × 10−2-2.0 nmol/L.
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Affiliation(s)
- Shengfu Zhi
- School of Public Health, Guilin Medical University, Guilin, China
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
| | - Qi Wei
- School of Public Health, Guilin Medical University, Guilin, China
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
| | - Chi Zhang
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
| | - Chenguang Yi
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
| | - Chongning Li
- School of Public Health, Guilin Medical University, Guilin, China
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
- *Correspondence: Chongning Li
| | - Zhiliang Jiang
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
- Zhiliang Jiang
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Wang J, Wang Y, Ren W, Zhang D, Ju P, Dou K. "Nano Killers" Activation by permonosulfate enables efficient anaerobic microorganisms disinfection. JOURNAL OF HAZARDOUS MATERIALS 2022; 440:129742. [PMID: 35969947 DOI: 10.1016/j.jhazmat.2022.129742] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/28/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
The development of effective nanomaterials for killing anaerobic bacteria is essential for human health and economic development. Here, we propose a new bactericidal mechanism where theoretical calculations are in good agreement with experimental results. The "poison arrow-head" of MoS2 nanosheets enables the vigorous extraction of lipids from the cell membrane. Based on density functional calculations, oxidation active species (OAS) are generated due to the strong adsorption energy between S vacancies in MoS2 and chemical substrates (permonosulfate (PMS) and H2O). These OAS can be visualized as numerous moving "nano killers", constantly oxidizing the lipids around MoS2; thereby, re-releasing the surface of the sharp knife. The process of physical extraction collaborated with chemical oxidation not only precisely positions the cell membrane but also allows for continuous sterilization. This work digs into the mechanism of anaerobic bacterial sterilization, which sheds significant light on biological analysis, antibacterial, cancer therapy, and anti microbiologically influenced corrosion.
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Affiliation(s)
- Jin Wang
- CAS Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China; Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Yi Wang
- CAS Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China; Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China.
| | - Wenyu Ren
- CAS Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Dun Zhang
- CAS Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China; Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China.
| | - Peng Ju
- Key Laboratory of Marine Eco-Environmental Science and Technology, Marine Bioresource and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Kunpeng Dou
- College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
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Wang J, Liu Z, Li Y, Yang C, Ma X, Li H, Sun C. Signal-on fluorescent sensing strategy for Pb 2+ detection based on 8-17 DNAzyme-mediated molecular beacon-type catalytic hairpin assembly circuit. Anal Bioanal Chem 2022; 414:6581-6590. [PMID: 35831535 DOI: 10.1007/s00216-022-04218-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/26/2022] [Accepted: 06/30/2022] [Indexed: 11/26/2022]
Abstract
Based on a Pb2+-specific 8-17 DNAzyme-induced catalytic hairpin assembly (CHA), a simple signal-on fluorescence strategy for lead ion detection was established. 8-17 DNAzyme was used as the recognition element of Pb2+, which catalyzed the cleavage of the RNA base embedded in the DNA substrate strand, while releasing part of the substrate strand (S') as CHA initiator. And two hairpin probes (H1 and H2-FQ) were designed according to the sequence of S' for CHA, in which H2-FQ was labeled with the fluorophore FAM and quencher BHQ-1 as fluorescent "molecular switch" based on fluorescence resonance energy transfer (FRET). In the presence of Pb2+, the CHA reaction was triggered to form a large number of H1-H2 complexes, enabling enzyme-free isothermal amplification and a signal-on fluorescence strategy. In the concentration range of 0.5-1000 nM, the fluorescence signal increases with the increase of Pb2+ concentration. The quantitative detection limit of Pb2+ by this method is 0.5 nM, which has better detection performance compared with the FQ-labeled 8-17 DNAzyme method. The established biosensor exhibits good specificity and can be effectively used for the detection of Pb2+ in real samples of river water and grass carp. Through ingenious nucleic acid sequence design, DNAzyme and CHA reactions are integrated to realize the enzyme-free isothermal amplifications and sensitive detection of Pb2+, which holds potential versatility in food supervision and environmental monitoring.
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Affiliation(s)
- Junyang Wang
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Zheng Liu
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Ying Li
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Chuanyu Yang
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Xinyue Ma
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Hongxia Li
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China.
- Chongqing Research Institute, Jilin University, Changchun, People's Republic of China.
| | - Chunyan Sun
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun, 130062, China.
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Abstract
In the last few decades, plasmonic colorimetric biosensors raised increasing interest in bioanalytics thanks to their cost-effectiveness, responsiveness, and simplicity as compared to conventional laboratory techniques. Potential high-throughput screening and easy-to-use assay procedures make them also suitable for realizing point of care devices. Nevertheless, several challenges such as fabrication complexity, laborious biofunctionalization, and poor sensitivity compromise their technological transfer from research laboratories to industry and, hence, still hamper their adoption on large-scale. However, newly-developing plasmonic colorimetric biosensors boast impressive sensing performance in terms of sensitivity, dynamic range, limit of detection, reliability, and specificity thereby continuously encouraging further researches. In this review, recently reported plasmonic colorimetric biosensors are discussed with a focus on the following categories: (i) on-platform-based (localized surface plasmon resonance, coupled plasmon resonance and surface lattice resonance); (ii) colloid aggregation-based (label-based and label free); (iii) colloid non-aggregation-based (nanozyme, etching-based and growth-based).
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Amin MO, Al-Hetlani E, Francese S. Magnetic Carbon Nanoparticles Derived from Candle soot for SALDI MS Analyses of Drugs and Heavy Metals in Latent Fingermarks. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107381] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Torres Landa SD, Reddy Bogireddy NK, Kaur I, Batra V, Agarwal V. Heavy metal ion detection using green precursor derived carbon dots. iScience 2022; 25:103816. [PMID: 35198881 PMCID: PMC8851085 DOI: 10.1016/j.isci.2022.103816] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The discovery of carbon dots (CDs) for environmental remediation has gained awareness because of the diverse economically viable and environmental friendly green precursors generated from biowastes and biomass compared to the toxic inorganic quantum dots and CDs prepared from chemical precursors. This review presents the recent progress in green CDs, including their synthesis methods and sensing applications for the detection of heavy metal ions such as Iron (III), Mercury (II), Copper (II), Chromium (VI), Lead (II), Arsenic (III), Cobalt (II), Aluminum (III), Silver (I), and Gold (III) which are prominent environmental pollutants. The comparison based on selectivity, sensitivity, quantum yield, detection limit, linear concentration range, and sensing mechanisms are also reported. This review also covers the performance of doped green CDs using heteroatoms, toward the detection of heavy metal ions. Apart from the future perspectives, this review provides a general guide to use such environmental friendly CDs to detect harmful pollutants.
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Affiliation(s)
- Simei Darinel Torres Landa
- Center for Research Engineering and Applied Sciences, Autonomous State University of Morelos (CIICAp-UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
| | - Naveen Kumar Reddy Bogireddy
- Center for Research Engineering and Applied Sciences, Autonomous State University of Morelos (CIICAp-UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
- Physics Institute, National Autonomous University of Mexico (IF-UNAM), Distrito Federal C.P. 04510, México
| | - Inderbir Kaur
- Department of Electronics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi 110075, India
| | - Vandana Batra
- Department of Physics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi 110075, India
| | - Vivechana Agarwal
- Center for Research Engineering and Applied Sciences, Autonomous State University of Morelos (CIICAp-UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
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Shi Y, Chen Q, Liu Y, Wang G. Capability of Au nano-rhombic dodecahedra in a label-free colorimetric assay: application in the determination of S 2− and Hg 2+. Analyst 2022; 147:3578-3584. [DOI: 10.1039/d2an00852a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Au nano-rhombic dodecahedra with high sensitivity to the environmental refractive index afford sensitive detection of S2- and Hg2+.
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Affiliation(s)
- Yali Shi
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Qianyuan Chen
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Yuejun Liu
- Qingdao Yuanxin Testing Technology Co., Ltd, 59 Xinyue Road, Qingdao, China
| | - Guoqing Wang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
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Zhong J, Zhao H, Cheng Y, Feng T, Lan M, Zuo S. A high-performance electrochemical sensor for the determination of Pb(II) based on conductive dopamine polymer doped polypyrrole hydrogel. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115815] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Liu Q, Zhang A, Wang R, Zhang Q, Cui D. A Review on Metal- and Metal Oxide-Based Nanozymes: Properties, Mechanisms, and Applications. NANO-MICRO LETTERS 2021; 13:154. [PMID: 34241715 PMCID: PMC8271064 DOI: 10.1007/s40820-021-00674-8] [Citation(s) in RCA: 177] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 05/31/2021] [Indexed: 05/19/2023]
Abstract
Since the ferromagnetic (Fe3O4) nanoparticles were firstly reported to exert enzyme-like activity in 2007, extensive research progress in nanozymes has been made with deep investigation of diverse nanozymes and rapid development of related nanotechnologies. As promising alternatives for natural enzymes, nanozymes have broadened the way toward clinical medicine, food safety, environmental monitoring, and chemical production. The past decade has witnessed the rapid development of metal- and metal oxide-based nanozymes owing to their remarkable physicochemical properties in parallel with low cost, high stability, and easy storage. It is widely known that the deep study of catalytic activities and mechanism sheds significant influence on the applications of nanozymes. This review digs into the characteristics and intrinsic properties of metal- and metal oxide-based nanozymes, especially emphasizing their catalytic mechanism and recent applications in biological analysis, relieving inflammation, antibacterial, and cancer therapy. We also conclude the present challenges and provide insights into the future research of nanozymes constituted of metal and metal oxide nanomaterials.
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Affiliation(s)
- Qianwen Liu
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Amin Zhang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China.
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China.
| | - Ruhao Wang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Qian Zhang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China.
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China.
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19
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Cai Y, Ren B, Peng C, Zhang C, Wei X. Highly Sensitive and Selective Fluorescence "Turn-On" Detection of Pb (II) Based on Fe 3O 4@Au-FITC Nanocomposite. Molecules 2021; 26:molecules26113180. [PMID: 34073353 PMCID: PMC8198146 DOI: 10.3390/molecules26113180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/11/2021] [Accepted: 05/18/2021] [Indexed: 11/16/2022] Open
Abstract
New nanocomposites, Fe3O4@Au-FITC, were prepared and explored to develop a fluorescent detection of Pb2+. The Fe3O4@AuNPs-FITC nanocomposites could be etched by Pb2+ in the presence of Na2S2O3, leading to fluorescence recovery of FITC quenched by Fe3O4@Au nanocomposites. With the increase of Pb2+ concentration, the fluorescence recovery of Fe3O4@AuNPs-FITC increased gradually. Under optimized conditions, a detection limit of 5.2 nmol/L of Pb2+ with a linear range of 0.02-2.0 µmol/L were obtained. The assay demonstrated negligible response to common metal ions. Recoveries of 98.2-106.4% were obtained when this fluorescent method was applied in detecting Pb2+ spiked in a lake-water sample. The above results demonstrated the high potential of ion-induced nanomaterial etching in developing robust fluorescent assays.
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Affiliation(s)
- Yina Cai
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China;
- Food Inspection and Quarantine Centre, Shenzhen Customs, Shenzhen 518045, China
| | - Binxue Ren
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China;
| | - Chifang Peng
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China;
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China;
- Correspondence: (C.P.); (C.Z.)
| | - Cunzheng Zhang
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China;
- Correspondence: (C.P.); (C.Z.)
| | - Xinlin Wei
- School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China;
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Kakkanattu A, Eerqing N, Ghamari S, Vollmer F. Review of optical sensing and manipulation of chiral molecules and nanostructures with the focus on plasmonic enhancements [Invited]. OPTICS EXPRESS 2021; 29:12543-12579. [PMID: 33985011 DOI: 10.1364/oe.421839] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
Chiral molecules are ubiquitous in nature; many important synthetic chemicals and drugs are chiral. Detecting chiral molecules and separating the enantiomers is difficult because their physiochemical properties can be very similar. Here we review the optical approaches that are emerging for detecting and manipulating chiral molecules and chiral nanostructures. Our review focuses on the methods that have used plasmonics to enhance the chiroptical response. We also review the fabrication and assembly of (dynamic) chiral plasmonic nanosystems in this context.
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21
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Li YH, Zhao CX, Li Y, Gao Z, Zhang X, Song YY. TiO 2 Nano-test tubes as a solid visual platform for sensitive Pb 2+ ion detection based on a fluorescence resonance energy transfer (FRET) process. Anal Bioanal Chem 2021; 413:3583-3593. [PMID: 33825005 DOI: 10.1007/s00216-021-03310-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/19/2021] [Accepted: 03/23/2021] [Indexed: 10/21/2022]
Abstract
A cost-effective, facile, and sensitive fluorescence sensing strategy for Pb2+ ion detection has been developed based on the fluorescence resonance energy transfer (FRET) between carbon quantum dots (CQDs) and Au nanoparticles (NPs). Glutathione (GSH)-synthesized CQDs acted as both the fluorescence donor and the sorbent to extract Pb2+ ions from the solution via Pb-GSH complexes. Pb2+ ions on CQDs reacted with -SH groups on AuNPs to generate sandwich-type Au-PdS-CQDs, leading to a dramatic decrease in the fluorescence of the CQDs. To expand the potential applications of this strategy, we constructed a sensing strategy using self-organized TiO2 nanotube arrays (TiNTs). The high aspect ratio and transparency for light emitted from the CQDs enabled the TiNTs to serve as a sensitive solid visual platform for the highly selective detection of Pb2+ ions with a detection limit as low as 4.1 × 10-8 mg mL-1. More importantly, the long observation length combined with a small volume enabled a sample acquisition volume of only 2.1 × 10-3 μL, which is smaller than the traditional fluorescence analysis in solution and on commercially available test paper, thus endowing this visual platform with the potential for use in single-cell diagnostics.
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Affiliation(s)
- Ya-Hang Li
- Department of Chemistry, Northeastern University, Shenyang, 110004, China
| | - Chen-Xi Zhao
- Department of Chemistry, Northeastern University, Shenyang, 110004, China
| | - Yang Li
- Department of Chemistry, Northeastern University, Shenyang, 110004, China
| | - Zhida Gao
- Department of Chemistry, Northeastern University, Shenyang, 110004, China
| | - Xi Zhang
- Department of Chemistry, Northeastern University, Shenyang, 110004, China.
| | - Yan-Yan Song
- Department of Chemistry, Northeastern University, Shenyang, 110004, China.
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22
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Singh H, Bamrah A, Bhardwaj SK, Deep A, Khatri M, Kim KH, Bhardwaj N. Nanomaterial-based fluorescent sensors for the detection of lead ions. JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124379. [PMID: 33309138 DOI: 10.1016/j.jhazmat.2020.124379] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 06/12/2023]
Abstract
Lead (Pb) poisoning has been a scourge to the human to pose sighnificant health risks (e.g., organ disorders, carcinogenicity, and genotoxicity) as observed from many different parts of the world, especially in developing countries. The demand for accurate sensors for its detection, especially in environmental media (soil, water, food, etc.) has hence been growing steadily over the years. The potential utility of fluorescent nanosensors as an important analytical tool is recognized due to their astonishing characteristics (e.g., high sensitivity/selectivity, enhanced detection performance, low cost, portability, and rapid on-site detection ability). This review is organized to offer insight into the recent developments in fluorescent nanosensing technology for the detection of lead ions (Pb2+). To this end, different types of nanomaterials explored for such applications have been classified and evaluated with respect to performance, especially in terms of sensitivity. This review will help researchers gain a better knowledge on the status and importance of optical nanosensors so as to remediate the contamination of lead and associated problems. The technical challenges and prospects in the development of nanosensing systems for Pb2+ are also discussed.
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Affiliation(s)
- Harpreet Singh
- Department of Biotechnology, University Institute of Engineering Technology (UIET), Panjab University, Chandigarh, India
| | - Amy Bamrah
- Department of Biotechnology, University Institute of Engineering Technology (UIET), Panjab University, Chandigarh, India
| | - Sanjeev K Bhardwaj
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing, Sector 81 (Knowledge City), S.A.S. Nagar, 140306 Punjab, India
| | - Akash Deep
- Central Scientific Instruments Organization, Sector 30C, Chandigarh 160030, India
| | - Madhu Khatri
- Department of Biotechnology, University Institute of Engineering Technology (UIET), Panjab University, Chandigarh, India
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Neha Bhardwaj
- Department of Biotechnology, University Institute of Engineering Technology (UIET), Panjab University, Chandigarh, India.
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Gold nanostar as an ultrasensitive colorimetric probe for picomolar detection of lead ion. Anal Chim Acta 2021; 1160:338380. [PMID: 33894959 DOI: 10.1016/j.aca.2021.338380] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/07/2021] [Accepted: 03/01/2021] [Indexed: 12/27/2022]
Abstract
The sensitivity for analytes of interest is vital for environment protection and food safety. Here, we propose an extremely sensitive assay toward Pb2+ by using gold nanostars (GNSs) as probes based on the catalytic activity of Pb on etching gold atoms after being reduced in the presence of 2-mercaptoethanol (2-ME) and sodium thiosulfate. GNSs were prepared by using 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid as both the reducing and capping agents, enabling high stability and sensitivity for quantitation of Pb2+. Upon increasing Pb2+ concentration over the range of 0-10 μM, GNS solution color changed from greenish-blue to blue to purple to red, and eventually to colorless. The color change can be distinguished by naked eye at the Pb2+ concentration as low as 200 pM. Through monitoring longitudinal localized surface plasmon of GNSs, Pb2+ could be detected with a limit of detection of 1.5 pM, and the working range is 2 pM-1 μM. The ultra-high sensitivity of our assay stems from the high catalysis of Pb on etching gold on tips and branches in the presence of 2-ME and sodium thiosulfate, leading to the shape deformation to spherical gold nanoparticle and the corresponding significant changes in their optical properties. The assay provides high selectivity of Pb2+ over the tested interfering metal ions like Cu2+. With high sensitivity and selectivity, the assay was efficiently validated by analyzing water samples and monitoring the migration of Pb2+ from the tested container to water.
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Qiu Y, Tan G, Fang Y, Liu S, Zhou Y, Kumar A, Trivedi M, Liu D, Liu J. Biomedical applications of metal–organic framework (MOF)-based nano-enzymes. NEW J CHEM 2021. [DOI: 10.1039/d1nj04045f] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the present review, the types and activities of nanometer-sized enzymes are summarized, with recent progress of nanometer-sized enzymes in the field of biomedical detection.
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Affiliation(s)
- Yuzhi Qiu
- Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan, 523808, China
| | - Guijian Tan
- Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan, 523808, China
| | - Yuqian Fang
- Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan, 523808, China
| | - Si Liu
- Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan, 523808, China
| | - Yubin Zhou
- Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan, 523808, China
| | - Abhinav Kumar
- Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow, 226 007, India
| | - Manoj Trivedi
- Department of Chemistry, Sri Venkateswara College, University of Delhi, NewDelhi-110021, India
| | - Dong Liu
- Shenzhen Huachuang Bio-pharmaceutical Technology Co. Ltd., Shenzhen, 518112, Guangdong, China
| | - Jianqiang Liu
- Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan, 523808, China
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Diao W, Wang G, Wang L, Zhang L, Ding S, Takarada T, Maeda M, Liang X. Opposite Effects of Flexible Single-Stranded DNA Regions and Rigid Loops in DNAzyme on Colloidal Nanoparticle Stability for “Turn-On” Plasmonic Detection of Lead Ions. ACS APPLIED BIO MATERIALS 2020; 3:7003-7010. [DOI: 10.1021/acsabm.0c00873] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Wenhui Diao
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Guoqing Wang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| | - Luyang Wang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Lan Zhang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Shansen Ding
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Tohru Takarada
- Bioengineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Mizuo Maeda
- Bioengineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Xingguo Liang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
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Yu L, Song Z, Peng J, Yang M, Zhi H, He H. Progress of gold nanomaterials for colorimetric sensing based on different strategies. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115880] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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27
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Zhang L, Lin H, Wang C, Liu WR, Li S, Cheng Y, Xu J, Gao H, Li K, Copner N, Chen X, Wang Y. A solid-state colorimetric fluorescence Pb 2+-sensing scheme: mechanically-driven CsPbBr 3 nanocrystallization in glass. NANOSCALE 2020; 12:8801-8808. [PMID: 32301454 DOI: 10.1039/d0nr01818j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Highly toxic Pb2+ poses a great threat to the health of human beings and ecosystems, urgently calling for an efficient Pb2+ detection method. Herein, we demonstrated a brand-new solid-state fluorescence Pb2+-sensing scheme based on a type of Pb2+-responsive borate glass powder that is able to precipitate CsPbBr3 nanocrystals on the glass surface upon grinding with Pb2+ sources, following a mechanically driven glass crystallization mechanism. Pb2+ sensing is achieved via the Pb2+ concentration-dependent green emission of CsPbBr3 as an indicator signal and independent red emission of Eu3+ as a reference signal. Under UV light irradiation, the obvious emissive color variation from red to green as Pb2+ concentration varies enables the intuitive Pb2+-sensing by naked eyes. With the aid of a spectrometer and smartphone, Pb2+ concentration can be quantitatively determined with the detection limit as low as ∼70 ppm and ∼400 ppm, respectively. The semi-quantitative Pb2+ detection is also possible by comparing the emissive color with the calibrated color card. Hopefully, the proposed solid-state fluorescence Pb2+-sensing strategy with high selectivity can be used for portable and quick Pb2+ analysis in daily life.
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Affiliation(s)
- Liqiang Zhang
- Key Laboratory of Optoelectronic Materials Chemistry and Physics, Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
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Colorimetric determination of Pb 2+ ions based on surface leaching of Au@Pt nanoparticles as peroxidase mimic. Mikrochim Acta 2020; 187:255. [PMID: 32239351 DOI: 10.1007/s00604-020-04234-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 03/24/2020] [Indexed: 12/17/2022]
Abstract
We report the first use of metallic nanozyme as colorimetric probe for Pb2+ determination. The method is based on the surface leaching of Au@PtNP nanozyme by Pb2+-S2O32- ions, accompanied by a decreased catalytic activity of the metallic nanozyme. To construct this colorimetric determination, the Pt deposition onto the AuNPs was carefully investigated and other experimental factors including kind of substrate and buffer were optimized. With increasing Pb2+ concentration, the catalytic activity of the Au@PtNPs decreased gradually. As a result, the blue color at 650 nm from the oxidation of 3,3',5,5'-tetramethylbenzidine by H2O2 faded gradually. A determination limit of 3.0 nM Pb2+ with a linear range from 20 to 800 nM was obtained. The assay demonstrated negligible response to common metal ions even at elevated concentrations. This colorimetric method was applied to the determination of Pb2+ ions spiked in lake water samples, and good recoveries (96.8-105.2%) were obtained. The above results indicate the potential application of metallic nanozymes in developing robust colorimetric assays. Graphical abstract Schematic representation of the surface leaching of Au@PtNP nanozyme by Pb2+-S2O32- ions, accompanying the decreased catalytic activity of the metallic nanozyme.
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Shrivas K, Sahu B, Deb MK, Thakur SS, Sahu S, Kurrey R, Kant T, Patle TK, Jangde R. Colorimetric and paper-based detection of lead using PVA capped silver nanoparticles: Experimental and theoretical approach. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104156] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Lien CW, Yu PH, Chang HT, Hsu PH, Wu T, Lin YW, Huang CC, Lai JY. DNA engineered copper oxide-based nanocomposites with multiple enzyme-like activities for specific detection of mercury species in environmental and biological samples. Anal Chim Acta 2019; 1084:106-115. [DOI: 10.1016/j.aca.2019.08.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 08/02/2019] [Accepted: 08/04/2019] [Indexed: 10/26/2022]
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31
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Lin FC, See KM, Ouyang L, Huang YX, Chen YJ, Popp J, Huang JS. Designable Spectrometer-Free Index Sensing Using Plasmonic Doppler Gratings. Anal Chem 2019; 91:9382-9387. [PMID: 31329421 DOI: 10.1021/acs.analchem.9b02662] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Typical nanoparticle-based plasmonic index sensors detect the spectral shift of localized surface plasmon resonance (LSPR) upon the change of the environmental index. Therefore, they require broadband illumination and spectrometers. The sensitivity and flexibility of nanoparticle-based index sensors are usually limited because LSPR peaks are usually broad and the spectral position cannot be freely designed. Here, we present a fully designable index sensing platform using plasmonic Doppler gratings (PDGs), which provide broadband and azimuthal angle dependent grating periodicity. Different from LSPR sensors, PDG index sensors are based on the momentum matching between photons and surface plasmons via the lattice momentum of the grating. Therefore, the index change is translated into the variation of the in-plane azimuthal angle for photon-to-plasmon coupling, which manifests as directly observable dark bands in the reflection image. The PDG can be freely designed to optimally match the range of index variation for specific applications. In this work, we demonstrate PDG index sensors for large (n = 1.00-1.52) and small index variations (n = 1.3330-1.3650). The tiny and nonlinear index change of the water-ethanol mixture has been clearly observed and accurately quantified. Since the PDG is a dispersive device, it enables on-site and single-color index sensing without a spectrometer and provides a promising spectroscopic platform for on-chip analytical applications.
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Affiliation(s)
- Fan-Cheng Lin
- Department of Chemistry , National Tsing Hua University , Hsinchu 30013 , Taiwan
| | - Kel-Meng See
- Department of Chemistry , National Tsing Hua University , Hsinchu 30013 , Taiwan
| | - Lei Ouyang
- Leibniz Institute of Photonic Technology , Albert-Einstein Straße 9 , Jena D-07745 , Germany.,Institute of Physical Chemistry and Abbe Center of Photonics , Friedrich-Schiller-Universität Jena , Helmholtzweg 4 , Jena D-07743 , Germany
| | - You-Xin Huang
- Department of Chemistry , National Tsing Hua University , Hsinchu 30013 , Taiwan
| | - Yi-Ju Chen
- Leibniz Institute of Photonic Technology , Albert-Einstein Straße 9 , Jena D-07745 , Germany
| | - Jürgen Popp
- Leibniz Institute of Photonic Technology , Albert-Einstein Straße 9 , Jena D-07745 , Germany.,Institute of Physical Chemistry and Abbe Center of Photonics , Friedrich-Schiller-Universität Jena , Helmholtzweg 4 , Jena D-07743 , Germany
| | - Jer-Shing Huang
- Department of Chemistry , National Tsing Hua University , Hsinchu 30013 , Taiwan.,Leibniz Institute of Photonic Technology , Albert-Einstein Straße 9 , Jena D-07745 , Germany.,Research Center for Applied Sciences , Academia Sinica , 128 Sec. 2, Academia Road , Nankang District, Taipei 11529 , Taiwan.,Department of Electrophysics , National Chiao Tung University , Hsinchu 30010 , Taiwan
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Colorimetric Sensing of Pb2+ Ion by Using Ag Nanoparticles in the Presence of Dithizone. CHEMOSENSORS 2019. [DOI: 10.3390/chemosensors7030028] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Colorimetric analysis of heavy metal ions can be realized by the aid of Ag nanoparticles to improve the analytical characteristics. The method is based on the localized surface plasmon resonance (LSPR) properties of the Ag nanoparticles (AgNPs). In this work, we applied the AgNPs with the addition of dithizone to further improve the selectivity and sensitivity of Pb2+ analysis. Colorimetric sensing of Pb2+ ions based on the polyvinyl alcohol (PVA)-stabilized-colloidal AgNPs in the presence of dithizone is reported. A linear decrease in the AgNPs LSPR absorbance at 421 nm was observed along with the increase in the Pb2+ concentration in the range of 0.50–10 µg/L. The other ions give a minor change in the LSPR absorbance of colloidal AgNPs. The Pb2+ limit of detection, the limit of quantification, and sensitivity were found to be 0.64 ± 0.04 µg/L, 2.1 ± 0.15 µg/L, 0.0282 ± 0.0040 L/µg (n = 5), respectively. The obtained sensitivity is comparable with that of the immunosensing method. The proposed method could offer a good alternative for colorimetric analysis of Pb2+ ions by using nanoparticles in the presence of ligands, which can improve selectivity.
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Chang CC, Chen CP, Wu TH, Yang CH, Lin CW, Chen CY. Gold Nanoparticle-Based Colorimetric Strategies for Chemical and Biological Sensing Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E861. [PMID: 31174348 PMCID: PMC6631916 DOI: 10.3390/nano9060861] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 05/31/2019] [Accepted: 06/03/2019] [Indexed: 12/18/2022]
Abstract
Gold nanoparticles are popularly used in biological and chemical sensors and their applications owing to their fascinating chemical, optical, and catalytic properties. Particularly, the use of gold nanoparticles is widespread in colorimetric assays because of their simple, cost-effective fabrication, and ease of use. More importantly, the gold nanoparticle sensor response is a visual change in color, which allows easy interpretation of results. Therefore, many studies of gold nanoparticle-based colorimetric methods have been reported, and some review articles published over the past years. Most reviews focus exclusively on a single gold nanoparticle-based colorimetric technique for one analyte of interest. In this review, we focus on the current developments in different colorimetric assay designs for the sensing of various chemical and biological samples. We summarize and classify the sensing strategies and mechanism analyses of gold nanoparticle-based detection. Additionally, typical examples of recently developed gold nanoparticle-based colorimetric methods and their applications in the detection of various analytes are presented and discussed comprehensively.
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Affiliation(s)
- Chia-Chen Chang
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan.
| | - Chie-Pein Chen
- Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei 104, Taiwan.
| | - Tzu-Heng Wu
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 106, Taiwan.
| | - Ching-Hsu Yang
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 106, Taiwan.
| | - Chii-Wann Lin
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan.
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 106, Taiwan.
- Department of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan.
| | - Chen-Yu Chen
- Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei 104, Taiwan.
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Willner MR, Vikesland PJ. Nanomaterial enabled sensors for environmental contaminants. J Nanobiotechnology 2018; 16:95. [PMID: 30466465 PMCID: PMC6249933 DOI: 10.1186/s12951-018-0419-1] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 11/07/2018] [Indexed: 12/19/2022] Open
Abstract
The need and desire to understand the environment, especially the quality of one's local water and air, has continued to expand with the emergence of the digital age. The bottleneck in understanding the environment has switched from being able to store all of the data collected to collecting enough data on a broad range of contaminants of environmental concern. Nanomaterial enabled sensors represent a suite of technologies developed over the last 15 years for the highly specific and sensitive detection of environmental contaminants. With the promise of facile, low cost, field-deployable technology, the ability to quantitatively understand nature in a systematic way will soon be a reality. In this review, we first introduce nanosensor design before exploring the application of nanosensors for the detection of three classes of environmental contaminants: pesticides, heavy metals, and pathogens.
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Affiliation(s)
- Marjorie R. Willner
- Department of Civil and Environmental Engineering and the Institute for Critical Technology and Applied Science, Center for Sustainable Nanotechnology (VTSuN), Virginia Tech, Blacksburg, USA
| | - Peter J. Vikesland
- Department of Civil and Environmental Engineering and the Institute for Critical Technology and Applied Science, Center for Sustainable Nanotechnology (VTSuN), Virginia Tech, Blacksburg, USA
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Chen Z, Chen L, Lin L, Wu Y, Fu F. A Colorimetric Sensor for the Visual Detection of Azodicarbonamide in Flour Based on Azodicarbonamide-Induced Anti-Aggregation of Gold Nanoparticles. ACS Sens 2018; 3:2145-2151. [PMID: 30239191 DOI: 10.1021/acssensors.8b00705] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Azodicarbonamide (ADA) in flour products can be converted into carcinogenic biurea and semicarbazide hydrochloride after baking. Thus, it is mandatory to determine ADA in flour. We herein developed a colorimetric method for the rapid and visual detection of ADA in flour based on glutathione (GSH)-induced gold nanoparticles (AuNPs) aggregation and specific reaction between ADA and GSH. The GSH can react to AuNPs via Au-SH covalent bond to form a network structure, which leads to AuNPs aggregation to produce color change, whereas ADA can specifically react with GSH to lead to the coupling of two GSH molecules, which makes GSH lose a -SH group and thus decreases the aggregation degree of AuNPs induced by GSH. This provided a platform for field-portable colorimetric detection of ADA. The colorimetric sensor can be used to detect as little as 0.33 μM (38.3 ppb) of ADA by naked eye observation and 0.23 μM (26.7 ppb) of ADA by spectrophotometry within 2 h. The method was successfully used to detect ADA in flour with a recovery of 91-104% and a relative standard deviation (RSD) < 6%. The visual detection limit of sensor is lower than the ADA limitation in flour (45 mg/kg), which makes the sensor a potential approach for the instrument-free visual and on-site detection of ADA in flour.
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Affiliation(s)
- Zhiqiang Chen
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Lian Chen
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Ling Lin
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Yongning Wu
- China National Center for Food Safety Risk Assessment, Beijing 100022, China
| | - FengFu Fu
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
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Xiong X, Chen Y, Wang H, Hu S, Luo Y, Dong J, Zhu W, Qiu W, Guan H, Lu H, Yu J, Zhang J, Chen Z. Plasmonic Interface Modified with Graphene Oxide Sheets Overlayer for Sensitivity Enhancement. ACS APPLIED MATERIALS & INTERFACES 2018; 10:34916-34923. [PMID: 30234294 DOI: 10.1021/acsami.8b11424] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A novel strategy to modify the plasmonic interface by spin-coating an overlayer of graphene oxide sheets (GOSs) on top of the surface plasmon resonance (SPR) sensor is proposed and demonstrated. Thanks to the excellent electrical conductivity, large surface area, and high-refractive index of the GOSs layer, the GOSs-modified SPR (GOSs-SPR) sensor achieves an improved sensitivity in the detection of bulky refractive index solutions and bovine serum albumin (BSA) solutions. The maximum sensitivity of 2715.1 nm/RIU achieved by three spin-coatings shows an enhancement of 20.2% than the case without the modification of the GOSs overlayer. Benefiting from the large surface area and abundant surface functional groups, the GOSs-SPR sensor has a greater sensitivity enhancement (up to 39.35%) in the detection of the BSA molecules. Most importantly, we have firstly experimentally demonstrated that the GOSs overlayer with thickness over hundreds nanometers can still lead to a great enhancement of sensitivity of SPR sensors. Additionally, the proposed modification method for the plasmonic interface is a simple and effective strategy to boost the sensitivity in a chemical-free and environment-friendly manner, without additional chemical or biological amplification steps. These unique features make the proposed GOSs-SPR biosensor a low-cost and biocompatible platform in the fields of biochemical sensing, drug screening, and environmental monitoring.
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Protamine-stabilized gold nanoclusters as a fluorescent nanoprobe for lead(II) via Pb(II)-Au(I) interaction. Mikrochim Acta 2018; 185:483. [PMID: 30269212 DOI: 10.1007/s00604-018-3019-8] [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] [Received: 06/15/2018] [Accepted: 09/23/2018] [Indexed: 12/31/2022]
Abstract
The authors report on a one-pot approach for synthesizing highly fluorescent protamine-stabilized gold nanoclusters. These are shown to be a viable nanoprobe for selective and sensitive fluorometric determination of lead(II) via quenching of fluorescence via Pb(II)-Au(I) interaction. Under optimized conditions, fluorescence measured at excitation/emission peaks of 300/599 nm drops in the 80 nM-15 μM lead(II) concentration range. The detection limit is 24 nM, and relative standard deviations (for n = 11) at concentrations of 0.10, 4.0 and 15 μM are 1.6, 2.5 and 1.9%, respectively. The relative recoveries of added lead(II) in the water samples ranged from 97.9 ± 2.29% to 101.2 ± 1.83%. Graphical abstract Lead(II) ions are found to be able to selectively and sensitively quench the fluorescence of the protamine-gold nanoclusters (PRT-AuNCs). Thereby, an inexpensive, selective and sensitive lead(II) assay was established.
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Szychowski B, Leng H, Pelton M, Daniel MC. Controlled etching and tapering of Au nanorods using cysteamine. NANOSCALE 2018; 10:16830-16838. [PMID: 30167608 DOI: 10.1039/c8nr05325a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
While gold nanorods (AuNRs) have found many applications due to their unique optical properties, a few challenges persist in their synthesis. Namely, it is often difficult to reproducibly synthesize AuNRs with specific and monodisperse sizes, especially at shorter aspect ratios. Here, we report a method of post-synthesis precise tailoring of AuNRs by etching with cysteamine. Cysteamine selectively etches AuNRs from their ends while preserving the initial rod shape and monodispersity, making this a viable means of obtaining highly monodisperse short AuNRs down to aspect ratio 2.3. Further, we explore the effect of this etching method on two types of silica-coated AuNRs: silica side-coated and silica end-coated AuNRs. We find that the etching process is cysteamine concentration-dependent and can lead to different degrees of sharpening of the silica-coated AuNRs, forming elongated tips. We also find that cysteamine behaves only as a ligand at concentrations above 200 mM, as no etching of the AuNRs is observed in this condition. Simulations show that excitation of plasmon resonances in these sharpened AuNRs produces local electric fields twice as strong as those produced by conventional AuNRs. Thus, cysteamine etching of AuNRs is shown to be an effective means of tailoring both the size and shape of AuNRs along with their corresponding optical properties. At the same time, the resulting cysteamine coating on the etched AuNRs displays terminal amino groups that allow for further functionalization of the nanorods.
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Affiliation(s)
- Brian Szychowski
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland 21250, USA.
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Jazayeri MH, Aghaie T, Avan A, Vatankhah A, Ghaffari MRS. Colorimetric detection based on gold nano particles (GNPs): An easy, fast, inexpensive, low-cost and short time method in detection of analytes (protein, DNA, and ion). SENSING AND BIO-SENSING RESEARCH 2018. [DOI: 10.1016/j.sbsr.2018.05.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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40
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Plasmonic colorimetric sensors based on etching and growth of noble metal nanoparticles: Strategies and applications. Biosens Bioelectron 2018; 114:52-65. [DOI: 10.1016/j.bios.2018.05.015] [Citation(s) in RCA: 212] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 04/27/2018] [Accepted: 05/09/2018] [Indexed: 01/13/2023]
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41
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Marimuthu V, Chandirasekar S, Rajendiran N. Green Synthesis of Sodium Cholate Stabilized Silver Nanoparticles: An Effective Colorimetric Sensor for Hg2+
and Pb2+
Ions. ChemistrySelect 2018. [DOI: 10.1002/slct.201800219] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Vanitha Marimuthu
- Department of Polymer Science; University of Madras; Guindy Campus; Chennai-25 Tamil Nadu India
| | - Shanmugam Chandirasekar
- Department of Chemistry; Indian Institute of Technology-Madras (IIT−M); Chennai-36 Tamil Nadu India
| | - Nagappan Rajendiran
- Department of Polymer Science; University of Madras; Guindy Campus; Chennai-25 Tamil Nadu India
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Shaily, Kumar A, Parveen I, Ahmed N. Highly selective and sensitive coumarin-triazole-based fluorometric 'turn-off' sensor for detection of Pb 2+ ions. LUMINESCENCE 2018; 33:713-721. [PMID: 29498808 DOI: 10.1002/bio.3468] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 12/10/2017] [Accepted: 01/18/2018] [Indexed: 01/29/2023]
Abstract
Exposure to even very low concentrations of Pb2+ is known to cause cardiovascular, neurological, developmental, and reproductive disorders, and affects children in particular more severely. Consequently, much effort has been dedicated to the development of colorimetric and fluorescent sensors that can selectively detect Pb2+ ions. Here, we describe the development of a triazole-based fluorescent sensor L5 for Pb2+ ion detection. The fluorescence intensity of chemosensor L5 was selectively quenched by Pb2+ ions and a clear color change from colorless to yellow could be observed by the naked eye. Chemosensor L5 exhibited high sensitivity and selectivity towards Pb2+ ions in phosphate-buffered solution [20 mM, 1:9 DMSO/H2 O (v/v), pH 8.0] with a 1:1 binding stoichiometry, a detection limit of 1.9 nM and a 6.76 × 106 M-1 binding constant. Additionally, low-cost and easy-to-prepare test strips impregnated with chemosensor L5 were also produced for efficient of Pb2+ detection and proved the practical use of this test.
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Affiliation(s)
- Shaily
- Department of Chemistry, Indian Institute of Technology, Roorkee, India.,Department of Chemistry, D.B.S. (P.G.) College Dehradun, India
| | - Ajay Kumar
- Department of Chemistry, D.B.S. (P.G.) College Dehradun, India
| | - Iram Parveen
- Department of Chemistry, Indian Institute of Technology, Roorkee, India
| | - Naseem Ahmed
- Department of Chemistry, Indian Institute of Technology, Roorkee, India
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43
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“Gold rush” in modern science: Fabrication strategies and typical advanced applications of gold nanoparticles in sensing. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.01.006] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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44
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Gahlaut J, Rajput YS, Meena S, Nanda DK, Sharma R. Spectrophotometric Label-Free Determination of Lead Using Thiol-Functionalized Gold Nanoparticles. ANAL LETT 2018. [DOI: 10.1080/00032719.2017.1373285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Jyoti Gahlaut
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
| | | | - Sunita Meena
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Dhiraj Kumar Nanda
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Rajan Sharma
- Dairy Chemistry Division, National Dairy Research Institute, Karnal, Haryana, India
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45
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Lu S, Zhang X, Chen L, Yang P. Colorimetric determination of ferrous ion via morphology transition of gold nanorods. Mikrochim Acta 2017; 185:76. [PMID: 29594623 DOI: 10.1007/s00604-017-2602-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 12/01/2017] [Indexed: 01/26/2023]
Abstract
A colorimetric method is described for the determination of ferrous ion (Fe2+) with high sensitivity and selectivity. The method is based on catalytic etching of gold nanorod (NR). In an acid condition, Fe2+ reacts with H2O2 to produce superoxide radical (O2•-) that etches gold NRs from the low energy surface along the longitudinal direction preferentially. As a result, the changes in the absorption spectrum and color of gold NR can be measured and also can be detected visually. Under the optimal conditions, the assay has very low detection limit (13.5 nM) and a linear response in a concentration range of 75 to 1 μM. The method was applied to the determination of Fe2+ in spiked samples of fetal bovine serum and also transferred to a kind of test stripe for use in fast practical applications. A unique colorimetric sensing method is demonstrated for the colorimetric detection of Fe2+, again based on the oxidation of gold nanorods which leads to the blue-shift of the absorption. Graphical abstract A unique colorimetric sensing method was shown for the colorimetric detection of Fe2+. Fe2+reacts with H2O2 to generate superoxide radical that oxidize gold nanorods. This leads to a color change from blue-green to pink.
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Affiliation(s)
- Simin Lu
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, People's Republic of China
| | - Xiao Zhang
- School of Chemistry, University of New South Wales, Sydney, 2052, Australia
| | - Ling Chen
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, People's Republic of China
| | - Ping Yang
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, People's Republic of China.
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46
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Ravikumar A, Panneerselvam P, Radhakrishnan K, Morad N, Anuradha CD, Sivanesan S. DNAzyme Based Amplified Biosensor on Ultrasensitive Fluorescence Detection of Pb (II) Ions from Aqueous System. J Fluoresc 2017; 27:2101-2109. [DOI: 10.1007/s10895-017-2149-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Accepted: 07/31/2017] [Indexed: 10/19/2022]
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47
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Miao P, Tang Y, Wang L. DNA Modified Fe 3O 4@Au Magnetic Nanoparticles as Selective Probes for Simultaneous Detection of Heavy Metal Ions. ACS APPLIED MATERIALS & INTERFACES 2017; 9:3940-3947. [PMID: 28079364 DOI: 10.1021/acsami.6b14247] [Citation(s) in RCA: 149] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Driven by the urgent need to detect trace heavy metal ions in various real water samples, this article demonstrates for the first time an electrochemical biosensor based on DNA modified Fe3O4@Au magnetic nanoparticles (NPs). Three DNA probes are designed to contain certain mismatched base pairs. One is thiolated and modified on the surface of Fe3O4@Au NPs (DNA 1). The other two probes (DNA 2 and 3) are labeled with two independent electrochemical species. Stable structures of cytosine-Ag+-cytosine and thymine-Hg2+-thymine formed in the presence of Ag+ and Hg2+ can assist the hybridization of DNA 1/DNA 2 and DNA 1/DNA 3, which locate corresponding electrochemical species onto the surface of the magnetic NPs. The achieved nanocomposites are then used as selective electrochemical probes for the detection of heavy metal ions by recording the square wave voltammetry signals. Simultaneous detection of Ag+ and Hg2+ is demonstrated without significant interference, and their individual high sensitivities are fundamentally preserved, which meet the requirements of U.S. Environmental Protection Agency (USEPA). Furthermore, the proposed method has been challenged by various real water samples. The results confirm the DNA modified magnetic NPs based sensing method may have potential applications for the monitoring of heavy metal ions in real sample analysis.
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Affiliation(s)
- Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou 215163, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yuguo Tang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou 215163, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Lei Wang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou 215163, People's Republic of China
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48
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Qiao J, Ding H, Liu Q, Zhang R, Qi L. Preparation of Polymer@AuNPs with Droplets Approach for Sensing Serum Copper Ions. Anal Chem 2017; 89:2080-2085. [DOI: 10.1021/acs.analchem.6b04722] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Juan Qiao
- Beijing
National Laboratory for Molecular Sciences; Key Lab of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Hong Ding
- Beijing Institute of Petro-chemical Technology, Beijing 102617, People’s Republic of China
| | - Qianrong Liu
- Xi’an University of Science and Technology, Shaanxi 710054, People’s Republic of China
| | - Rongyue Zhang
- Beijing Institute of Petro-chemical Technology, Beijing 102617, People’s Republic of China
| | - Li Qi
- Beijing
National Laboratory for Molecular Sciences; Key Lab of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
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49
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Tashkhourian J, Afsharinejad M. A novel colorimetric sensor for sensitive determination of R-citalopram based on the plasmonic properties of silver nanoparticles. NEW J CHEM 2017. [DOI: 10.1039/c7nj02962d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A simple and reliable colorimetric method for visual differentiation between the S-citalopram and R-citalopram enantiomers in aqueous solution based on the inherent chirality of silver nanoparticles as a colorimetric probe was presented.
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Affiliation(s)
- Javad Tashkhourian
- Department of Chemistry
- Faculty of Science
- College of Sciences
- Shiraz University
- Shiraz
| | - Mina Afsharinejad
- Department of Chemistry
- Faculty of Science
- College of Sciences
- Shiraz University
- Shiraz
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50
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Xu D, Chen H, Lin Q, Li Z, Yang T, Yuan Z. Selective and sensitive colorimetric determination of cobalt ions using Ag–Au bimetallic nanoparticles. RSC Adv 2017. [DOI: 10.1039/c7ra00900c] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Selective and sensitive colorimetric detection of Co2+based on the aggregation of Ag–Au BNPs is due to the formation of positively charged (en)2CoS2O3+on the negative nanoparticle surface.
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Affiliation(s)
- Dong Xu
- National Engineering Laboratory for Rice and By-products Further Processing
- Central South University of Forestry & Technology
- Changsha 410004
- China
| | - Hong Chen
- National Engineering Laboratory for Rice and By-products Further Processing
- Central South University of Forestry & Technology
- Changsha 410004
- China
| | - Qinlu Lin
- National Engineering Laboratory for Rice and By-products Further Processing
- Central South University of Forestry & Technology
- Changsha 410004
- China
| | - Ziwei Li
- National Engineering Laboratory for Rice and By-products Further Processing
- Central South University of Forestry & Technology
- Changsha 410004
- China
| | - Tao Yang
- National Engineering Laboratory for Rice and By-products Further Processing
- Central South University of Forestry & Technology
- Changsha 410004
- China
| | - Zhiqin Yuan
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
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