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Gao Y, Bai B, Mao Z, Yang X, Shi Y, Zhang B, Quan K, Qing Z. An all-in-one smartphone-assisted ratiometric fluorescent device for visual and quantitative detection of glutathione. Talanta 2025; 281:126805. [PMID: 39270608 DOI: 10.1016/j.talanta.2024.126805] [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: 05/16/2024] [Revised: 08/04/2024] [Accepted: 09/02/2024] [Indexed: 09/15/2024]
Abstract
The daily consumption of foods abundant in Glutathione (GSH) can be supplemented to maintain the homeostasis of GSH in human health and alleviate pathologies resulting from abnormal GSH levels. The fluorescence-based visual determination of GSH has gradually attracted the attention of researchers due to its robust performance and versatile implementation. However, the current GSH visual strategy primarily relies on variations in fluorescence intensity at a single emission wavelength, which poses challenges for naked-eye and portable readout, as well as distorted signals caused by complex matrix effects in real samples. Herein, a ratiometric fluorescence sensor based on carbon dots (CDs) combined with an all-in-one 3D-printed smartphone-based device was successfully developed for low-cost, visual and rapid detection of GSH without the need for an external excitation light source. The ratiometric fluorescent materials were synthesized by conjugating blue carbon dots (B-CDs) with yellow carbon dots (Y-CDs) through the utilization of selected Cu2+ ions. The resulting mechanism demonstrated that the coordination interaction between Cu2+ and residual aromatic amino groups in Y-CDs (Y-CDs-Cu2+) contributed to a newly emitted peak at 580 nm, thereby inducing fluorescence resonance energy transfer from B-CDs to Y-CDs-Cu2+. A linear correlation was found between GSH concentrations and R/B values in the range of 10-100 μM, with a limit of detection observed at 4.8 μM. By utilizing this portable device in combination with RGB analysis, the quantitative detection of GSH can be achieved even in complex food matrices such as tomatoes and grapes. The universality of this all-in-one device was further validated by pre-spraying CDs onto a paper strip for visual measurement of GSH. This work offers a portable, visual, and accessible approach to evaluating food safety and nutrition, thereby demonstrating significant economic value and holding profound implications for human health.
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Affiliation(s)
- Yuan Gao
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | - Bingfeng Bai
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | - Zenghui Mao
- Hunan Provincial Key Laboratory of Regional Hereditary Birth Defects Prevention and Control, Changsha Hospital for Maternal and Child Health Care Affiliated to Hunan Normal University, Changsha, 410083, China
| | - Xiao Yang
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | - Yi Shi
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | - Bo Zhang
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | - Ke Quan
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China.
| | - Zhihe Qing
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food and Bioengineering, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China.
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Solanki R, Patra I, Kumar TCA, Kumar NB, Kandeel M, Sivaraman R, Turki Jalil A, Yasin G, Sharma S, Abdulameer Marhoon H. Smartphone-Based Techniques Using Carbon Dot Nanomaterials for Food Safety Analysis. Crit Rev Anal Chem 2024; 54:923-941. [PMID: 35857650 DOI: 10.1080/10408347.2022.2099733] [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] [Indexed: 10/17/2022]
Abstract
The development of portable and efficient nanoprobes to realize the quantitative/qualitative onsite determination of food pollutants is of immense importance for safeguarding human health and food safety. With the advent of the smartphone, the digital imaging property causes it to be an ideal diagnostic substrate to point-of-care analysis probes. Besides, merging the versatility of carbon dots nanostructures and bioreceptor abilities has opened an innovative assortment of construction blocks to design advanced nanoprobes or improving those existing ones. On this ground, massive endeavors have been made to combine mobile phones with smart nanomaterials to produce portable (bio)sensors in a reliable, low cost, rapid, and even facile-to-implement area with inadequate resources. Herein, this work outlines the latest advancement of carbon dots nanostructures on smartphone for onsite detecting of agri-food pollutants. Particularly, we afford a summary of numerous approaches applied for target molecule diagnosis (pesticides, mycotoxins, pathogens, antibiotics, and metal ions), for instance microscopic imaging, fluorescence, colorimetric, and electrochemical techniques. Authors tried to list those scaffolds that are well-recognized in complex media or those using novel constructions/techniques. Lastly, we also point out some challenges and appealing prospects related to the enhancement of high-efficiency smartphone based carbon dots systems.
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Affiliation(s)
- Reena Solanki
- Department of Chemistry, Dr APJ Abdul Kalam University, Indore, India
| | | | - T Ch Anil Kumar
- Department of Mechanical Engineering, Vignan's Foundation for Science Technology and Research, Vadlamudi, India
| | - N Bharath Kumar
- Department of Electrical and Electronics Engineering, Vignan's Foundation for Science Technology and Research, Guntur, India
| | - Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa, Saudi Arabia
| | - R Sivaraman
- Department of Mathematics, Dwaraka Doss Goverdhan Doss Vaishnav College, University of Madras, Arumbakkam, Chennai, India
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, Iraq
| | - Ghulam Yasin
- Department of Botany, university of Bahauddin Zakariya, Multan, Pakistan
| | - Sandhir Sharma
- Chitkara Business School, Chitkara University, Punjab, India
| | - Haydar Abdulameer Marhoon
- Information and Communication Technology Research Group, Scientific Research Center, Al-Ayen University, Iraq
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3
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Mishra A, Lzaod S, Dutta T, Bhattacharya S. Selective Bacterial Growth Inactivation by pH-Sensitive Sulfanilamide Functionalized Carbon Dots. ACS APPLIED BIO MATERIALS 2024; 7:2752-2761. [PMID: 38662509 DOI: 10.1021/acsabm.3c01130] [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] [Indexed: 05/21/2024]
Abstract
Carbon dots (CDs) were synthesized hydrothermally by mixing citric acid (CA) and an antifolic agent, sulfanilamide (SNM), employed for pH sensing and bacterial growth inactivation. Sulfanilamide is a prodrug; aromatic hetero cyclization of the amine moiety along with other chemical modifications produces an active pharmacological compound (chloromycetin and miconazole), mostly administered for the treatment of various microbial infections. On the other hand, the efficacy of the sulfanilamide molecule as a drug for antimicrobial activity was very low. We anticipated that the binding of the sulfanilamide molecule on the carbon dot (CD) surface may form antibacterial CDs. Citric acid was hybridized with sulfanilamide during the hydrothermal preparation of the CDs. The molecular fragments of bioactivated sulfanilamide molecule play a crucial role in bacterial growth inactivation for Gram-positive and Gram-negative bacteria. The functional groups of citric acid and sulfanilamide were conserved during the CD formation, facilitating the zwitterionic behavior of CDs associated with its photophysical activity. At low concentrations of CDs, the antibacterial activity was apparent for Gram-positive bacteria only. This Gram-positive bacteria selectivity was also rationalized by zeta potential measurement.
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Affiliation(s)
- Anurag Mishra
- Department of Chemistry, National Institute of Technology Raipur, Raipur 492010, India
| | - Stanzin Lzaod
- Department of Chemistry, Indian Institute of Technology Delhi, Delhi 110016, India
| | - Tanmay Dutta
- Department of Chemistry, Indian Institute of Technology Delhi, Delhi 110016, India
| | - Sagarika Bhattacharya
- Department of Chemistry, National Institute of Technology Raipur, Raipur 492010, India
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Paul S, Daga P, Dey N. Exploring Various Photochemical Processes in Optical Sensing of Pesticides by Luminescent Nanomaterials: A Concise Discussion on Challenges and Recent Advancements. ACS OMEGA 2023; 8:44395-44423. [PMID: 38046331 PMCID: PMC10688216 DOI: 10.1021/acsomega.3c02753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 12/05/2023]
Abstract
Food safety is a burning global issue in this present era. The prevalence of harmful food additives and contaminants in everyday food is a significant cause for concern as they can adversely affect human health. More particularly, among the different food contaminants, the use of excessive pesticides in agricultural products is severely hazardous. So, the optical detection of residual pesticides is an effective strategy to counter the hazardous effect and ensure food safety. In this perspective, nanomaterials have played a leading role in defending the open threat against food safety instigated by the reckless use of pesticides. Now, nanomaterial-based optical detection of pesticides has reached full pace and needs an inclusive discussion. This Review covers the advancement of photoprocess-based optical detection of pesticides categorically using nanomaterials. Here, we have thoroughly dissected the photoprocesses (aggregation and aggregation-induced emission (AIE), charge transfer and intramolecular charge transfer (ICT), electron transfer and photoinduced electron transfer (PET), fluorescence resonance energy transfer (FRET), hydrogen bonding, and inner filter effect) and categorically demarcated their significant role in the optical detection of pesticides by luminescent nanomaterials over the last few years.
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Affiliation(s)
- Suvendu Paul
- Department
of Chemistry, BITS-Pilani Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
| | - Pooja Daga
- Department
of Chemistry, Siksha-Bhavana, Visva-Bharati
University, Santiniketan, West Bengal 731235, India
| | - Nilanjan Dey
- Department
of Chemistry, BITS-Pilani Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
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5
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Wang X, Hu J, Wei H, Li Z, Liu J, Zhang J, Yang S. Ultra-fast solvent-free protocol remodels the large-scale synthesis of carbon dots for nucleolus-targeting and white light-emitting diodes. J Colloid Interface Sci 2023; 649:785-794. [PMID: 37385043 DOI: 10.1016/j.jcis.2023.06.171] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 06/05/2023] [Accepted: 06/25/2023] [Indexed: 07/01/2023]
Abstract
Carbon dots (CDs) provides unprecedented opportunities for optical applications due its unique properties, but the energy-extensive consumption, high-risk factor and time-consuming synthesis procedure greatly hinders its industrialization process. Herein, we proposed an ultra-low energy consumption solvent-free synthetic strategy for fast preparing green/red fluorescence carbon dots (G-/R-CDs) using m-/o-phenylenediamine and primary amine hydrochloride. The involvement of primary amine hydrochloride can improve the formation rate of G-CDs/R-CDs through effectively absorbing microwave energy and providing acid react environment. The developed CDs exhibit good fluorescence efficiency, optical stability and membrane permeability for dexterous bioimaging in vivo. Based on inherently high nitrogen content, the G-CDs/R-CDs possess excellent nuclear/nucleolus targeting ability, and were successfully applied for screening cancer and normal cells. Furthermore, the G-CDs/R-CDs were further applied for fabricating high-safety and high-color rendering index white light-emitting diodes, providing a perfect candidate for indoor lighting. This study opens up new horizons for advancing practical applications of CDs in related fields of biology and optics.
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Affiliation(s)
- Xin Wang
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Jinshuang Hu
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Hua Wei
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Zihan Li
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Jian Liu
- Institute of Advanced Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jie Zhang
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Shenghong Yang
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
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6
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Wang Q, Shi L, Wang X, Zhou W, Shuang S. Lysosome-targeted dual-emissive carbon dots for ratiometric optical dual-readout and smartphone-assisted visual determination of Hg 2+ and SO 32. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 306:123573. [PMID: 39491924 DOI: 10.1016/j.saa.2023.123573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/13/2023] [Accepted: 10/21/2023] [Indexed: 11/05/2024]
Abstract
Smartphone-assisted visual assay not only expands quantitative analysis but also enhance real-time on-site sensing capabilities. Herein, lysosome-targeted dual-emissive carbon dots (L-CDs) can not only recognize Hg2+ and SO32- by ratiometric fluorescence and ratiometric absorption, but also visually quantify Hg2+ and SO32- by smartphone-assisted method. With monitoring of intrinsic ratiometric fluorescent variation (I580/I468), L-CDs are developed as an effective sensing platform for ratiometric fluorescent successive identification of Hg2+ and SO32- accompanying with continuous fluorescence variation of blue, purplish pink, pink, and light yellow. With detecting of inherent ratiometric absorption change (A538/A206), L-CDs are also constructed as an efficacious sensing terrace for ratiometric absorption consecutive discrimination of Hg2+ and SO32-. More crucially, integrating continuous fluorescence color change and color recognizer APP in the smartphone, visual quantification of Hg2+ and SO32- can be accomplished on the basis of the ratio of red value and blue value (R/B) with linear ranges of 0-130 and 0-850 µM, respectively, as well as LOD of 8.4 and 12.9 nM, respectively. More interestingly, confocal fluorescent imaging of HeLa cells further verifies that L-CDs can be regarded as favorable biosensors for on-site, real-time differentiation of Hg2+ and SO32- in vitro and in vivo with ratiometric manners.
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Affiliation(s)
- Qianliang Wang
- College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Lihong Shi
- College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China.
| | - Xu Wang
- Shanxi Research Center for Information and Strategy of Science and Technology, Taiyuan 030024, PR China
| | - Wei Zhou
- College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Shaomin Shuang
- College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
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7
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Kaurav H, Verma D, Bansal A, Kapoor DN, Sheth S. Progress in drug delivery and diagnostic applications of carbon dots: a systematic review. Front Chem 2023; 11:1227843. [PMID: 37521012 PMCID: PMC10375716 DOI: 10.3389/fchem.2023.1227843] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Carbon dots (CDs), which have particle size of less than 10 nm, are carbon-based nanomaterials that are used in a wide range of applications in the area of novel drug delivery in cancer, ocular diseases, infectious diseases, and brain disorders. CDs are biocompatible, eco-friendly, easy to synthesize, and less toxic with excellent chemical inertness, which makes them very good nanocarrier system to deliver multi-functional drugs effectively. A huge number of researchers worldwide are working on CDs-based drug delivery systems to evaluate their versatility and efficacy in the field of pharmaceuticals. As a result, there is a tremendous increase in our understanding of the physicochemical properties, diagnostic and drug delivery aspects of CDs, which consequently has led us to design and develop CDs-based theranostic system for the treatment of multiple disorders. In this review, we aim to summarize the advances in application of CDs as nanocarrier including gene delivery, vaccine delivery and antiviral delivery, that has been carried out in the last 5 years.
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Affiliation(s)
- Hemlata Kaurav
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Dhriti Verma
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Amit Bansal
- Formulation Research and Development, Perrigo Company Plc, Allegan, MI, United States
| | - Deepak N. Kapoor
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Sandeep Sheth
- Department of Pharmaceutical Sciences, College of Pharmacy, Larkin University, Miami, FL, United States
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Atulbhai SV, Singhal RK, Basu H, Kailasa SK. Perspectives of different colour-emissive nanomaterials in fluorescent ink, LEDs, cell imaging, and sensing of various analytes. LUMINESCENCE 2023; 38:867-895. [PMID: 35501299 DOI: 10.1002/bio.4272] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/19/2022] [Accepted: 04/18/2022] [Indexed: 11/06/2022]
Abstract
In the past 2 decades, multicolour light-emissive nanomaterials have gained significant interest in chemical and biological sciences because of their unique optical properties. These materials have drawn much attention due to their unique characteristics towards various application fields. The development of novel nanomaterials has become the pinpoint for different application areas. In this review, the recent progress in the area of multicolour-emissive nanomaterials is summarized. The different emissions (white, orange, green, red, blue, and multicolour) of nanostructure materials (metal nanoclusters, quantum dots, carbon dots, and rare earth-based nanomaterials) are briefly discussed. The potential applications of different colour-emissive nanomaterials in the development of fluorescent inks, light-emitting diodes, cell imaging, and sensing devices are briefly summarized. Finally, the future perspectives of multicolour-emissive nanomaterials are discussed.
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Affiliation(s)
- Sadhu Vibhuti Atulbhai
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
| | - Rakesh Kumar Singhal
- Analytical Chemistry Division, Bhabha Atomic Research Center, Trombay, Mumbai, India
| | - Hirakendu Basu
- Analytical Chemistry Division, Bhabha Atomic Research Center, Trombay, Mumbai, India
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
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9
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Wang S, Wang Y, Ning Y, Liu Q. Inner filter effect-based near-infrared fluorescent probe for detection of metronidazole on a smartphone-integrated analytical platform. Analyst 2023; 148:2544-2552. [PMID: 37144556 DOI: 10.1039/d3an00039g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Antibiotic residues pose a serious threat to ecosystems and food safety. Developing convenient, visual, and on-site detection methods is therefore in high demand and has a practical purpose. In this work, a near-infrared (NIR) fluorescent probe with an analysis platform based on a smartphone has been constructed for quantitative and on-site detection of metronidazole (MNZ). CdTe quantum dots with NIR emission at 710 nm (QD710) were prepared by using a simple hydrothermal method and showed good properties. A spectral overlap between absorption of MNZ and excitation of QD710 resulted in an effective inner filter effect (IFE) between QD710 and MNZ. Because of the IFE, the fluorescence of QD710 decreased gradually with increasing concentrations of MNZ. Based on the fluorescence response, quantitative detection and visualization of MNZ was achieved. NIR fluorescence analysis and the special IFE between probe and target can improve sensitivity and selectivity for MNZ. Additionally, these were also utilized for quantitative detection of MNZ in real food samples and the results were reliable and satisfactory. Meanwhile, a portable visual analysis platform in a smartphone was constructed for on-site analysis of MNZ, which can be used as an alternative method for detection of MNZ residues in situations with limited instrumental conditions. Therefore, this work provides a convenient, visual, and real-time analysis method for detection of MNZ and the analysis platform shows great potential for commercialization.
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Affiliation(s)
- Shaojie Wang
- School of Biological and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an 710021, P. R. China.
| | - Yongbo Wang
- School of Biological and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an 710021, P. R. China.
| | - Yuanna Ning
- School of Biological and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an 710021, P. R. China.
| | - Qiming Liu
- School of Biological and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an 710021, P. R. China.
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Li X, Chen C, Xu F, Liang Z, Xu G, Wei F, Yang J, Hu Q, Zou J, Cen Y. Novel dual-emission sulfur quantum dot sensing platform for quantitative monitoring of pesticide 2,4-dichlorophenoxyacetic acid. Talanta 2023; 260:124639. [PMID: 37156208 DOI: 10.1016/j.talanta.2023.124639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/10/2023]
Abstract
In this work, a novel environment-friendly dual-emission Rhodamine B modified sulfur quantum dots (RhB-SQDs) sensing platform was established to economically monitor organochlorine pesticide 2,4-dichlorophenoxyacetic acid (2,4-D) through regulating the activity of alkaline phosphatase (ALP). This dual emission RhB-SQDs exhibited excellent fluorescence and high photostability with emission wavelengths of 455 nm and 580 nm. ALP catalyzed the hydrolysis of the substrate p-nitrophenyl phosphate to p-nitrophenol, which quenched RhB-SQDs fluorescence at 455 nm due to the internal filtration effect, but had no effect the fluorescence intensity of RhB-SQDs at 580 nm. When 2,4-D was present, the activity of ALP was specifically inhibited and enzymatic reaction was interrupted, leading to the reduction of p-nitrophenol production, so the fluorescence of RhB-SQDs at 455 nm was restored. It demonstrated a good linear relationship between the concentration of 2,4-D and F455/F580 in the range of 0.050-0.500 μg mL-1, with a detection limit of 17.3 ng mL-1. The dual-emission fluorescent probe was successfully realized in the identification of 2,4-D in natural water samples and vegetables with the advantages of exceptional accuracy, immunity to interference, and selectivity. The platform offers a fresh look at pesticide monitoring and has the potential to prevent pesticide-related health issues.
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Affiliation(s)
- Xinyang Li
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Chen Chen
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Feifei Xu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Zhigang Liang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Guanhong Xu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China; Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Fangdi Wei
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China; Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Jing Yang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China; Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China
| | - Qin Hu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China; Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China.
| | - Jianjun Zou
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China.
| | - Yao Cen
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China; Key Laboratory of Cardiovascular & Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, PR China.
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11
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Wang N, Zhang L, Li Z, Zhou C, Lv Y, Su X. A sensing platform for on-site detection of glutathione S-transferase using oxidized Pi@Ce-doped Zr-based metal-organic frameworks(MOFs). Talanta 2023; 259:124537. [PMID: 37054620 DOI: 10.1016/j.talanta.2023.124537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 04/05/2023] [Accepted: 04/07/2023] [Indexed: 04/15/2023]
Abstract
The development of point-of-care testing (POCT) for glutathione S-transferase (GST) is an effective way to establish the mechanism of targeted monitoring of cancer chemotherapy drug metabolism. Assays for GST with high sensitivity as well as on-site screening have been urgently required to monitor this process. Herein, we synthesized oxidized Pi@Ce-doped Zr-based metal-organic frameworks (MOFs) by electrostatic self-assembly between phosphate and oxidized Ce-doped Zr-based MOFs. It was found that the oxidase-like activity of oxidized Pi@Ce-doped Zr-based MOFs was substantially increased after phosphate ion (Pi) assembly. And a stimulus-responsive hydrogel-based kit was constructed by embedding oxidized Pi@Ce-doped Zr-based MOFs into a PVA (polyvinyl alcohol) hydrogel system, we integrated a portable hydrogel kit with a smartphone for real-time monitoring of GST for quantitative and accurate analysis. The color reaction was triggered based on oxidized Pi@Ce-doped Zr-based MOFs with 3,3',5,5'-tetramethylbenzidine (TMB). However, in the presence of glutathione (GSH), the above color reaction was hindered due to the reducibility of GSH. Catalyzed by GST, GSH can react with 1-chloro-2,4-dinitrobenzo (CDNB) to form an adduct, which caused the color reaction to occur again, resulting in the color response of the kit. In combination with ImageJ software, the kit image information acquired by smartphone could be converted into hue intensity, providing a direct quantitative tool for the detection of GST with a detection limit of 0.19mU·L-1. Based on the advantages of simple operation and cost-effectiveness, the introduction of the POCT miniaturized biosensor platform will meet the requirements of on-site quantitative analysis of GST.
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Affiliation(s)
- Nan Wang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Lijun Zhang
- State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Zhengxuan Li
- State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Chenyu Zhou
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yuntai Lv
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xingguang Su
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China.
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12
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Luo X, Huang G, Bai C, Wang C, Yu Y, Tan Y, Tang C, Kong J, Huang J, Li Z. A versatile platform for colorimetric, fluorescence and photothermal multi-mode glyphosate sensing by carbon dots anchoring ferrocene metal-organic framework nanosheet. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130277. [PMID: 36334570 DOI: 10.1016/j.jhazmat.2022.130277] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 10/10/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Concerns regarding pesticide residues have driven attempts to exploit accurate, prompt and straightforward approaches for food safety pre-warning. Herein, a nanozyme-mediated versatile platform with multiplex signal response (colorimetric, fluorescence and temperature) was proposed for visual, sensitive and portable detection of glyphosate (GLP). The platform was constructed based on a N-CDs/FMOF-Zr nanosensor that prepared by in situ anchoring nitrogen-doped carbon dots onto zirconium-based ferrocene metal-organic framework nanosheets. The N-CDs/FMOF-Zr possessed excellent peroxidase (POD)-like activity and thus could oxide colorless 3, 3', 5, 5'-tetramethylbenzidine (TMB) into a blue oxidized TMB (oxTMB) in presence of H2O2. Intriguingly, owing to the blocking effect triggered by multiple interaction between GLP and N-CDs/FMOF-Zr, its POD-like activity of the latter was remarkably suppressed, which can modulate the transformation of TMB into oxTMB, generating tri-signal responses of fluorescence enhancement, absorbance and temperature decrease. More significantly, the temperature mode can be facilely realized by a portable home-made mini-photothermal device and handheld thermometers. The proposed multimodal sensing was capable of providing sensitive results by fluorescence mode and simultaneously realized visual/portable testing by colorimetric and photothermal channels. Consequently, it exhibited more adaptability for practical applications, which can satisfy different testing requirements according to sensitivity and available instruments/meters, presenting a new horizon for exploiting multifunctional sensors.
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Affiliation(s)
- Xueli Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Gengli Huang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Chenxu Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Chunyan Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Ying Yu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Youwen Tan
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Chenyu Tang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jia Kong
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jihong Huang
- Food and Pharmacy College, Xuchang University, Henan 461000, PR China
| | - Zhonghong Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
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13
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Nitrogen doped biomass derived carbon dots as a fluorescence dual-mode sensing platform for detection of tetracyclines in biological and food samples. Food Chem 2023; 402:134245. [DOI: 10.1016/j.foodchem.2022.134245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 08/30/2022] [Accepted: 09/11/2022] [Indexed: 11/19/2022]
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14
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One-step synthesis of N-doped carbon dots as sensitive “on–off-on” fluorescent sensor for tetracycline and Al3+ detection. Microchem J 2023. [DOI: 10.1016/j.microc.2022.108290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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Li H, Su C, Liu N, Lv T, Yang C, Lu Q, Sun C, Yan X. Carbon Dot-Anchored Cobalt Oxyhydroxide Composite-Based Hydrogel Sensor for On-Site Monitoring of Organophosphorus Pesticides. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53340-53347. [PMID: 36380517 DOI: 10.1021/acsami.2c17450] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The development of a portable, quantitative, and user-friendly sensor for on-site monitoring of organophosphorus pesticides (OPs) is significantly urgent to guarantee food safety. Herein, a carbon dot/cobalt oxyhydroxide composite (CD/CoOOH)-based fluorescent hydrogel sensor is constructed for precisely quantifying OPs using a homemade portable auxiliary device. As a fluorescence signal indicator, the orange-emissive CD/CoOOH composite is encapsulated into an agarose hydrogel kit for amplifying the detection signals, shielding background interference, and enhancing stability. Acetylcholinesterase (AChE) catalyzes the hydrolysis of the substrate to produce thiocholine, which induces the decomposition of CoOOH and makes the fluorescence enhancement of the hydrogel platform possible. OPs can specifically block the AChE activity to limit thiocholine production, resulting in a decrease in platform fluorescence. The image color of the fluorescent hydrogel kit is transformed into digital information using a homemade auxiliary device, achieving on-site quantitative detection of paraoxon (model target) with a detection limit of 10 ng mL-1. Harnessing CD/CoOOH composite signatures, hydrogel encapsulation, and portable optical devices, the proposed fluorescence hydrogel platform demonstrated high sensitivity and good anti-interference performance in agricultural sample analysis, indicating considerable potential in the on-site application.
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Affiliation(s)
- Hongxia Li
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Changshun Su
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Ni Liu
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Ting Lv
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Chuanyu Yang
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Qi Lu
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Chunyan Sun
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, P. R. China
| | - Xu Yan
- State Key Laboratory of Integrated Optoelectronics, Key Laboratory of Advanced Gas Sensors, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Jilin Province, Changchun 130012, P. R. China
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16
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Ye X, Zhang F, Yang L, Yang W, Zhang L, Wang Z. Paper-based multicolor sensor for on-site quantitative detection of 2,4-dichlorophenoxyacetic acid based on alkaline phosphatase-mediated gold nanobipyramids growth and colorimeter-assisted method for quantifying color. Talanta 2022; 245:123489. [PMID: 35460981 DOI: 10.1016/j.talanta.2022.123489] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/25/2022] [Accepted: 04/15/2022] [Indexed: 10/18/2022]
Abstract
On-site quantitative analysis of pesticides is important for food safety. Colorimetric gold nanobipyramids (AuNBPs) sensors are powerful methods for on-site detection. However, a single quantitative method and the instability of AuNBPs in solution limit the practicability of those sensors. Here, a paper-based multicolor AuNBPs sensor involved a colorimeter-assisted method for quantifying color was developed for quantitative detection of 2,4-dichlorophenoxyacetic acid (2,4-D), a common herbicide. The novelty of this study lies in developing a general paper-based quantitative on-site method (PQOM) for colorimetric AuNBPs sensors. Firstly, a paper-based analytical device (PAD) consisting of a nylon membrane, absorbent cotton layers, and two acrylic plates was fabricated to deposit AuNBPs. We demonstrated the PAD could improve the stability of AuNBPs and the detection sensitivity of AuNBPs sensors. Then, a handheld colorimeter was first used to quantify the color change of AuNBPs on the PAD based on the CIELab color space. Finally, as proof of concept, the PQOM was successfully employed to quantify 2,4-D by combining with an alkaline phosphatase-mediated AuNBPs growth method. In this method, 2,4-D specifically inhibited alkaline phosphatase activity to suppress the generation of l-ascorbic acid, thereby mediating AuNBPs growth. The developed sensor exhibited seven 2,4-D concentration-related colors and detected as low as 50 ng mL-1 2,4-D by naked-eye observation and 18 ng mL-1 2,4-D by a colorimeter. It was applied to detect 2,4-D in the spiked rice and apple samples with good recovery rates (91.8-112.0%) and a relative standard deviation (n = 5) < 5%. The success of this study provides a sensing platform for quantifying 2,4-D on site.
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Affiliation(s)
- Xingyan Ye
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Feng Zhang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Lan Yang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Weijuan Yang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Liaoyuan Zhang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Zongwen Wang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
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17
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Heydarzadeh M, Heydari R. Determination of 2,4‐dichlorophenoxyacetic acid in environmental and food samples using salt‐assisted liquid‐liquid extraction coupled with micro‐channel and high‐performance liquid chromatography. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohsen Heydarzadeh
- Department of Chemistry Science and Research Branch Islamic Azad University Tehran Iran
| | - Rouhollah Heydari
- Research Center for Environmental Determinants of Health, Health Institute Kermanshah University of Medical Sciences Kermanshah Iran
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18
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Hu J, Wang X, Wei H, Zhao L, Yao B, Zhang C, Zhou J, Liu J, Yang S. Solid-Phase Synthesis of Red Fluorescent Carbon Dots for the Dual-Mode Detection of Hexavalent Chromium and Cell Imaging. BIOSENSORS 2022; 12:bios12060432. [PMID: 35735579 PMCID: PMC9221384 DOI: 10.3390/bios12060432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/01/2022] [Accepted: 06/18/2022] [Indexed: 11/16/2022]
Abstract
The excellent optical properties and biocompatibility of red fluorescence carbon dots (R-CDs) provide a new approach for the effective analysis of hexavalent chromium Cr(VI) in environmental and biological samples. However, the application of R-CDs is still limited by low yield and unfriendly synthesis route. In this study, we developed a new type of R-CDs based on a simple and green solid-phase preparation strategy. The synthesized R-CDs can emit bright red fluorescence with an emission wavelength of 625 nm and also have an obvious visible light absorption capacity. Furthermore, the absorption and fluorescence signals of the R-CDs aqueous solution are sensitive to Cr(VI), which is reflected in color change and fluorescence quenching. Based on that, a scanometric and fluorescent dual-mode analysis system for the rapid and accurate detection of Cr(VI) was established well within the limit of detection at 80 nM and 9.1 nM, respectively. The proposed methods also possess high specificity and were applied for the detection of Cr(VI) in real water samples. More importantly, the synthesized R-CDs with good biocompatibility were further successfully applied for visualizing intracellular Cr(VI) in Hela cells.
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Affiliation(s)
- Jinshuang Hu
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
| | - Xin Wang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
| | - Hua Wei
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
| | - Lei Zhao
- Key Laboratory of Biotechnology and Bioengineering of State Ethnic Affairs Commission, Biomedical Research Center, Northwest Minzu University, Lanzhou 730030, China
- Correspondence: (L.Z.); (S.Y.)
| | - Boxuan Yao
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
| | - Caiyun Zhang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
| | - Jiarui Zhou
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
| | - Jian Liu
- Institute of Advanced Materials, Jiangxi Normal University, Nanchang 330022, China;
| | - Shenghong Yang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (J.H.); (X.W.); (H.W.); (B.Y.); (C.Z.); (J.Z.)
- Correspondence: (L.Z.); (S.Y.)
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19
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Wang B, Cai H, Waterhouse GIN, Qu X, Yang B, Lu S. Carbon Dots in Bioimaging, Biosensing and Therapeutics: A Comprehensive Review. SMALL SCIENCE 2022. [DOI: 10.1002/smsc.202200012] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Boyang Wang
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450000 China
| | - Huijuan Cai
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450000 China
| | | | - Xiaoli Qu
- Erythrocyte Biology Laboratory School of Life Sciences Zhengzhou University Zhengzhou 450001 China
| | - Bai Yang
- State Key Lab of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 China
| | - Siyu Lu
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450000 China
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20
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Zhang W, Wu Y, Liu X, Liu Y, Zhang Y, Wang W, Mu X, Su R, Sun Y, Song D, Wang X. A universal sensing platform based on iron and nitrogen co-doped carbon dots for detecting hydrogen peroxide and related metabolites in human fluid by ratiometric fluorometry and colorimetry. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 272:121003. [PMID: 35151173 DOI: 10.1016/j.saa.2022.121003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/29/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
A universal ratiometric fluorescence and colorimetric dual-mode sensing platform for detecting hydrogen peroxide (H2O2) and related metabolites in human fluid was constructed based on iron and nitrogen co-doped carbon dots (Fe/N-CDs). As a fluorescent nanomaterial with peroxidase-like property, Fe/N-CDs emits fluorescence at 449 nm (F449) under excitation of incident ultraviolet light, and can catalyze the oxidation of o-phenylenediamine (OPD) by H2O2 for generating 2,3-diaminophenazine (oxOPD) that exhibits obvious absorption at 420 nm (A420) and fluorescence emission at 555 nm (F555). The Förster resonance energy transfer (FRET) between Fe/N-CDs and oxOPD would result in the fluorescence quenching Fe/N-CDs and the fluorescence enhancement of oxOPD, which facilitates the quantitation of oxOPD by ratiometric fluorometry. Since the amount of generated oxOPD is determined by the amount of H2O2 consumed during the oxidation reaction, the detection of H2O2 and related metabolites can be realized by monitoring both ratiometric fluorescent (F555/F449) and colorimetric (absorption, A420) signals of oxOPD. This dual-mode sensing platform exhibits excellent selectivity and sensitivity toward with H2O2, xanthine and uric acid in both human serum and urine samples, demonstrating its good potential for monitoring H2O2 and metabolites involved in H2O2 metabolism in human body. The detection limits (LODs) of H2O2, xanthine and uric acid obtained by this sensing platform were 0.07, 0.15, and 0.14 μM for ratiometric fluorescence mode, and 0.12, 0.52, and 0.47 μM for colorimetric mode, respectively. By utilizing appropriate oxidases in this universal sensing platform, the determination of other metabolites involved with producing H2O2 can also be realized facilely.
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Affiliation(s)
- Wei Zhang
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Yanhua Wu
- Division of Clinical Research, The First Hospital of Jilin University, Changchun 130021, China
| | - Xin Liu
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Yibing Liu
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Yue Zhang
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Wei Wang
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Xiaowei Mu
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Rui Su
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Ying Sun
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Daqian Song
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Xinghua Wang
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, China.
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21
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Background-free room temperature phosphorescence and digital image colorimetry detection of melamine by carbon nitride quantum dots in cellulose matrix with smartphone-based portable device. Food Chem 2022; 390:133135. [PMID: 35597095 DOI: 10.1016/j.foodchem.2022.133135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 04/03/2022] [Accepted: 04/29/2022] [Indexed: 11/23/2022]
Abstract
Carbon nitride quantum dots (CNQDs) were embedded in the sodium carboxymethyl cellulose (CMC) matrix to form CNQDs-CMC film to explore the room temperature phosphorescence (RTP) of CNQDs, which suppress the non-radiative relaxation process due to the internal hydrogen bonding interactions between CMC and CNQDs. Then, a simple, inexpensive, background-free miniature device integrating with CNQDs-CMC film and smartphone was fabricated for rapid and quantitative detection of melamine (MEL). In the present of MEL, the yellow RTP color of the CNQDs-CMC film was quenched and photographed by the smartphone. The Color Recognizer APP in the smartphone recognized the red (R) value for quantitative detection of MEL. Thus, digital image colorimetry (DIC) determination of MEL was achieved due to the visible RTP color change of CNQDs-CMC film. The smartphone-based miniature device provided a promising platform for the on-site monitoring analytes in the complex matrix including food safety, environmental screening, health monitoring, and disease prevention.
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22
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Yang Z, Xu T, Zhang X, Li H, Jia X, Zhao S, Yang Z, Liu X. Nitrogen-doped carbon quantum dots as fluorescent nanosensor for selective determination and cellular imaging of ClO . SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 271:120941. [PMID: 35114635 DOI: 10.1016/j.saa.2022.120941] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 01/17/2022] [Accepted: 01/20/2022] [Indexed: 05/28/2023]
Abstract
The carbon nanomaterial based fluorescent probes have been widely applied in biological imaging. In the current research, we propose an interesting strategy for selective sensing of hypochlorite (ClO-) by a water-soluble and highly fluorescent nanosensor based on the N-doped carbon quantum dots (CDs) which was fabricated by a facile and environmental friendly hydrothermal approach from polyvinyl pyrrolidone, L-arginine and tryptophan. The structural characteristics of the probe were measured by multitudinous methods which proved the nanometer spherical structure of the probe and the successfully N-doping. Fluorescent investigation demonstrated that the probe is not only highly stable under interferences of pH, ionic strength, and irradiation, but also significantly selective toward ClO- amongst a variety of attractive bioactive species through the fluorescent quenching process which was correlative with the concentration of ClO- and linearly in the range of 0.1-50 μmol·L-1 with the sensitivity of 0.03 μmol·L-1. The probe can also be further illustrated in a prospective application for determination of ClO- in environmental water through both solution response and filer paper sensing. Moreover, the positive biocompatibility and ignorable cytotoxicity made the probe a promising effective agent for detection and visualizing ClO- in living cells which can facilitate the understanding the oxidative stress from the overexpressing ClO-.
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Affiliation(s)
- Zheng Yang
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources, Xi'an 710012, PR China; Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, PR China.
| | - Tiantian Xu
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China
| | - Xu Zhang
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China
| | - Hui Li
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China; Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, PR China
| | - Xiaodan Jia
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources, Xi'an 710012, PR China
| | - Shunsheng Zhao
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources, Xi'an 710012, PR China
| | - Zaiwen Yang
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources, Xi'an 710012, PR China
| | - Xiangrong Liu
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, PR China; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources, Xi'an 710012, PR China
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23
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Peng B, Guo Y, Ma Y, Zhou M, Zhao Y, Wang J, Fang Y. Smartphone-assisted multiple-mode assay of ascorbic acid using cobalt oxyhydroxide nanoflakes and carbon quantum dots. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107185] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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24
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Liu X, Mei X, Yang J, Li Y. Hydrogel-Involved Colorimetric Platforms Based on Layered Double Oxide Nanozymes for Point-of-Care Detection of Liver-Related Biomarkers. ACS APPLIED MATERIALS & INTERFACES 2022; 14:6985-6993. [PMID: 35080175 DOI: 10.1021/acsami.1c21578] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Monitoring the liver status in a convenient and low-cost way is significant for obtaining a warning about drug-indued liver diseases promptly. Herein, we designed a novel colorimetric point-of-care (POC) platform for the determination of three liver-related biomarkers─aspartate transaminase (AST), alanine transaminase (ALT), and alkaline phosphatase (ALP). This platform integrated agarose hydrogels into a portable device, where hydrogels were loaded with nanozymes and different reaction substances for triggering specific reactions and generating colorimetric signals. Typically, Au-decorated CoAl-layered double oxide (Au/LDO) was for the first time developed as the nanozyme with peroxidase (POD) mimic activity, which can accelerate the oxidation of colorless 3,3',5,5'-tetramethylbenzidine (TMB) to blue oxTMB with the coexistence of hydrogen peroxide (H2O2). The detection mechanism of AST and ALT is based on the fact that they can cause individual cascade reactions to generate H2O2, and H2O2 further activates the Au/LDO nanozyme to catalyze the chromogenic reaction of TMB. As for ALP, it can catalytically hydrolyze l-ascorbic acid-2-phosphate to ascorbic acid. The latter then discolored the oxTMB that was produced with the assistance of Au/LDO. Teaming up with a smartphone, the color information of hydrogels can be converted to hue values, which allow quantitative analysis of ALT, AST, and ALP with detection limits of 15, 10, and 5 U/L, respectively. Moreover, the simple and cost-effective platform was successfully applied for the simultaneous determination of the three analytes in human plasma. Additionally, since the hydrogel is disposable and can be replaced by new ones loaded with different reaction regents, the platform is expected to serve the POC testing of various chem/bio targets.
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Affiliation(s)
- Xiaoxue Liu
- School of Science, Harbin Institute of Technology, Shenzhen 518055, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xuecui Mei
- School of Science, Harbin Institute of Technology, Shenzhen 518055, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Jiao Yang
- School of Science, Harbin Institute of Technology, Shenzhen 518055, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yingchun Li
- School of Science, Harbin Institute of Technology, Shenzhen 518055, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
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Tang Q, Sun Z, Qing M, Wang L, Ling Y, Li NB, Luo HQ. An optical sensing system with ratiometric and turn-off dual-mode of CDs@MnO 2 nanosheets for the determination of H 2O 2 and glucose based on a combination of first-order scattering, fluorescence, and second-order scattering. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 264:120299. [PMID: 34474221 DOI: 10.1016/j.saa.2021.120299] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 07/14/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
The optical sensor with ratiometric and turn-off dual modes is constructed to detect H2O2 and glucose based on blue fluorescent carbon dots (CDs) and MnO2 nanosheets with great ability of fluorescence quenching and scattering. Employing CDs@MnO2 nanosheets nanocomposite as the probe, H2O2 is detected by simultaneously collecting first-order scattering (FOS, 353.5 nm), fluorescence (440 nm), and second-order scattering (SOS, 710 nm) under the excitation of 350 nm. H2O2 with strong oxidation property can etch the lamellar structure of MnO2 nanosheets into nano-fragments, which made the fluorescence of CDs in the system recover and the scattering intensity (FOS and SOS) of the system decrease significantly. Therefore, the optical sensor combined FOS and fluorescence signals in ratiometric mode, and SOS signal in turn-off mode to realize sensitive determination of H2O2. The linear ranges of ratiometric mode and turn-off mode for H2O2 detection were 0.2-40 and 0.2-15 μM, respectively. And the limits of detection (LODs) of two modes were 73 and 104 nM, respectively. Furthermore, the sensor was also successfully applied to the detection of glucose which can react to produce H2O2. Satisfactorily, the LODs of this sensor for glucose detection were 95 and 113 nM for ratiometric mode and turn-off mode, respectively. This work not only provides a new method for the accurate detection of H2O2 and glucose, but also extends a new idea for the study of the combination of scattering and fluorescence.
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Affiliation(s)
- Qian Tang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Zhe Sun
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Min Qing
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Lei Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yu Ling
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Nian Bing Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Hong Qun Luo
- Key Laboratory of Luminescence Analysis and Molecular Sensing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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Yan H, Liu S, Yang S, Ren W, Shangguan J, Lv J, Zhang M, Tang J, Zhao Y. In situ construction of a cobalt oxyhydroxide loaded pyrene-based fluorescent organic nanoprobe for bioimaging of endogenous ascorbic acid in living cells. NEW J CHEM 2022. [DOI: 10.1039/d2nj02305a] [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
A novel in situ strategy to fabricate CoOOH nanoflake-loaded pyrene-based FONs (denoted as PyFONs@CoOOH) as proof-of-concept of a sensing platform for direct bioimaging of endogenous AA in living cells.
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Affiliation(s)
- Huijuan Yan
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Shuanghui Liu
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Shuo Yang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Wu Ren
- School of Medical Engineering, Xinxiang Neurosense and Control Engineering Technology Research Center, Xinxiang Key Lab of Biomedical Information Research, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Jingfang Shangguan
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Jieli Lv
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Mengzhen Zhang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Juan Tang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
| | - Ying Zhao
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, P. R. China
- Xinxiang Key Laboratory of Clinical Psychopharmacology, Xinxiang Medical University, Xinxiang, 453003, China
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27
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Background-free sensing platform for on-site detection of carbamate pesticide through upconversion nanoparticles-based hydrogel suit. Biosens Bioelectron 2021; 194:113598. [PMID: 34507097 DOI: 10.1016/j.bios.2021.113598] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/07/2021] [Accepted: 08/26/2021] [Indexed: 12/18/2022]
Abstract
On-site monitoring of carbamate pesticide in complex matrix remians as a challenge in terms of the real-time control of food safety and supervision of environmental quality. Herein, we fabricated robust upconversion nanoparticles (UCNPS)/polydopamine (PDA)-based hydrogel portable suit that precisely quantified carbaryl in complex tea samples with smartphone detector. UCNPS/PDA nanoprobe was developed by polymerization of dopamine monomers on the surface of NaErF4: 0.5% Tm3+@NaYF4 through electrostatic interaction, leading to efficient red luminescence quenching of UCNPS under near-infrared excitation, which circumvented autofluorescence and background interference in complicated environment. Such a luminescence quenching could be suppressed by thiocholine that was produced by acetylcholinesterase-mediated catalytic reaction, thus enabling carbaryl bioassay by inhibiting the activity of enzyme. Bestowed with the feasibility analysis of fluorescent output, portable platform was designed by integrating UCNPS-embedded sodium alginate hydrogel with 3D-printed smartphone device for quantitatively on-site monitoring of carbaryl in the range of 0.5-200 ng mL-1 in tea sample, accompanied by a detection limit of 0.5 ng mL-1. Owing to specific UCNPS signatures and hydrogel immobilization, this modular platform displayed sensitive response, portability and anti-interference capability in complex matrix analysis, thus holding great potential in point-of-care application.
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28
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Chang D, Zhao Z, Niu W, Shi L, Yang Y. Iron ion sensing and in vitro and in vivo imaging based on bright blue-fluorescent carbon dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 260:119964. [PMID: 34052767 DOI: 10.1016/j.saa.2021.119964] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/20/2021] [Accepted: 05/15/2021] [Indexed: 06/12/2023]
Abstract
Herein, we propose an eco-friendly synthesis of carbon dots (CDs) and ingeniously design a rapid and label-free "turn-off" sensing platform for ultrasensitive recognition of Fe3+ in vitro and in vivo. CDs with extraordinary advantages involving exceptional stability, ultra-low toxicity as well as admirable biocompatibility were simply prepared via one-step hydrothermal strategy of Caulis polygoni multiflora. Result indicated that as-acquired CDs not only exhibit excitation dependency, but also have a high quantum yield of (QY) up to 42%. Miraculously, the fluorescence of CDs can be extinguished sharply by Fe3+ because of static quenching effect with linear range of 0-400 µM, yielding a detection limit of 0.025 μM. Benefiting from these characteristics, CDs have been extended for multicolourful imaging and tracking Fe3+ fluctuations in living cells. Bioimaging of zebrafish larvae exposed to CDs confirmed that it is smoothly circulated to other tissues and organs owing to their small size. Eventually, as-prepared CDs have been implemented for the real-time detection of Fe3+ in nude mice.
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Affiliation(s)
- Dan Chang
- Department of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Zhonghua Zhao
- Institute of Biomedical Science, Shanxi University, Taiyuan 030006, China
| | - Wenjing Niu
- Department of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Lihong Shi
- Department of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Yongxing Yang
- Department of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
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29
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Xu L, Wang S, Zhu J, Zhou T, Ding S. Dendritic Silica Nanospheres Loaded with Red‐Emissive Enhanced Carbon Dots for Zika Virus Immunoassay. ChemistrySelect 2021. [DOI: 10.1002/slct.202102274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lai‐Di Xu
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 P.R. China
| | - Si‐Wen Wang
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 P.R. China
| | - Jin Zhu
- Huadong Medical Institute of Biotechniques Nanjing 211189 P.R. China
| | - Tingting Zhou
- Huadong Medical Institute of Biotechniques Nanjing 211189 P.R. China
| | - Shou‐Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 P.R. China
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30
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Zhang H, Han Y, Yang Y, Chen J, Qiu H. Construction of a Carbon Dots/Cobalt Oxyhydroxide Nanoflakes Biosensing Platform for Detection of Acid Phosphatase. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:10529-10537. [PMID: 34428054 DOI: 10.1021/acs.langmuir.1c01512] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Because abnormal acid phosphatase (ACP) can disrupt the normal physiological processes, determination of ACP level is extremely important for early diagnosis, treatment, and prognostic evaluation of diseases. Herein, a fluorescence platform for monitoring ACP level was established based on the assembly of red-emitting carbon dots (RCDs) on cobalt oxyhydroxide (CoOOH) nanoflakes. RCDs displayed excellent water solubility, pH stability, salt resistance, and photobleaching resistance. Interestingly, the fluorescence of the RCDs assembled on the surface of the CoOOH nanoflakes could be quenched due to the energy transfer caused by the nanoflakes. However, the ascorbic acid (AA) produced by the hydrolysis of ascorbic acid-2-phosphate trisodium salt (AAP) catalyzed by ACP could quickly and effectively reduce CoOOH nanoflakes, leading to the fluorescence recovery of the RCDs. Therefore, an "off-on" biosensor platform for rapid, sensitive, and selective detection of ACP was constructed with a limit of detection of 0.25 mU/L. With the assistance of the biosensor, the level of ACP in human serum samples was evaluated, and the spike recovery values ranged from 94.0% to 104.5%.
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Affiliation(s)
- Haijuan Zhang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- State Key Laboratory of Grassland Agro-Ecosystem, Institute of Innovation Ecology, Lanzhou University, Lanzhou 730000, China
| | - Yangxia Han
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Yali Yang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Jia Chen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
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31
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Zhu X, Yuan X, Han L, Liu H, Sun B. A smartphone-integrated optosensing platform based on red-emission carbon dots for real-time detection of pyrethroids. Biosens Bioelectron 2021; 191:113460. [PMID: 34186303 DOI: 10.1016/j.bios.2021.113460] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/01/2021] [Accepted: 06/05/2021] [Indexed: 01/09/2023]
Abstract
This report described the development of an optosensing platform based on red-emission carbon dots (RCDs) integrated with a smartphone application that, together, can detect pyrethroids in real time. Based on the high stability and selectivity of molecular imprinting technology, RCDs-based optosensing imprinted polymers was obtained by using a one-pot inverse microemulsion surface imprinting method. Lambda-cyhalothrin (LC), which is a pyrethroid pesticide, can interact with the widely distributed -NH2 groups on the surface of the RCD-based optosensing nanomaterials to achieve fixed-point adsorption. The quantitative detection of pyrethroids in a wide concentration range (1-120 μg/L) could be achieved, and the limit of detection (LOD) was 0.89 μg/L. Furthermore, a portable UV light box combined with a smartphone was used to convert the change in fluorescence of the RCDs-based optosensing nanomaterials into specific values upon adding pyrethroids, and the LOD by using smartphone was 6.66 μg/L. The developed platform has numerous advantages, including low cost, simple operation, high sensitivity, and good specificity, among others, and it achieves on-site visualization and rapid detection.
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Affiliation(s)
- Xuecheng Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
| | - Xinyue Yuan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
| | - Luxuan Han
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
| | - Huilin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China.
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing, 100048, China
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32
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Yang H, Zhang M, Wang L, Yu R, Tu W, Wang Z, Wang R, Gao H, Dai Z. Modulating Polarization of Perovskite-Based Heterostructures via In Situ Semiconductor Generation and Enzyme Catalysis for Signal-Switchable Photoelectrochemical Biosensing. Anal Chem 2021; 93:8370-8378. [DOI: 10.1021/acs.analchem.1c01457] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Hao Yang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Min Zhang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Lei Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Renzhong Yu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Wenwen Tu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Zhaoyin Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Rui Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Huan Gao
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Zhihui Dai
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
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33
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Yang T, Duncan TV. Challenges and potential solutions for nanosensors intended for use with foods. NATURE NANOTECHNOLOGY 2021; 16:251-265. [PMID: 33712739 DOI: 10.1038/s41565-021-00867-7] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
Nanotechnology-adapted detection technologies could improve the safety and quality of foods, provide new methods to combat fraud and be useful tools in our arsenal against bioterrorism. Yet despite hundreds of published studies on nanosensors each year targeted to the food and agriculture space, there are few nanosensors on the market in this area and almost no nanotechnology-enabled methods employed by public health agencies for food analysis. This Review shows that the field is currently being held back by technical, regulatory, political, legal, economic, environmental health and safety, and ethical challenges. We explore these challenges in detail and provide suggestions about how they may be surmounted. Strategies that may have particular effectiveness include improving funding opportunities and publication venues for nanosensor validation, social science and patent landscape studies; prioritizing research and development of nanosensors that are specifically designed for rapid analysis in non-laboratory settings; and incorporating platform cost and adaptability into early design decisions.
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Affiliation(s)
- Tianxi Yang
- Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, Bedford Park, IL, USA
| | - Timothy V Duncan
- Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, Bedford Park, IL, USA.
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34
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Liang C, Xie X, Zhang D, Feng J, Lu S, Shi Q. Biomass carbon dots derived from Wedelia trilobata for the direct detection of glutathione and their imaging application in living cells. J Mater Chem B 2021; 9:5670-5681. [PMID: 34195715 DOI: 10.1039/d0tb02979c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of long-wavelength emission carbon dots as a label-free sensing platform for the direct detection of glutathione (GSH) is still of great challenge. Herein, novel rose-red fluorescence carbon dots (wCDs) with a long-wavelength emission of 654 nm were successfully synthesized by a one-step microwave-solvothermal treatment of biomass Wedelia trilobata. The biomass-based wCDs could sensitively respond to copper ions (Cu2+) with a limit of detection (LOD) of 0.22 μM, which could be utilized as the fluorescence turn off-on sensor for the detection of GSH through recovering their fluorescence quenched by Cu2+. Moreover, the label-free wCDs with abundant active functional groups could be used to construct a direct quenching platform for the sensitive and selective detection of GSH by the dynamic quenching effect within 20 s without further modification, displaying a good linear range of 0-3.0 mM with a LOD of 35 μM that fits well with the GSH content in living cells (0.5-10 mM). Additionally, confocal imaging of living cells indicates that as-prepared wCDs with high photobleaching resistance and favorable biocompatibility possess the capacity for real-time monitoring of the variations of intracellular Cu2+ and GSH levels, and distinguishing cancerous cells from normal cells owing to the overexpression of GSH in cancerous cells. This study opens a new vision for developing an efficient and sensitive fluorescent sensor for the detection of GSH, and demonstrates the great prospects for wCDs in ion/molecule tracking, bioimaging and cancer diagnosis.
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Affiliation(s)
- Caizhen Liang
- Guangdong Provincial Key laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Xiaobao Xie
- Guangdong Provincial Key laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Dandan Zhang
- Guangdong Provincial Key laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Jin Feng
- Guangdong Provincial Key laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Shunying Lu
- Guangdong Provincial Key laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Qingshan Shi
- Guangdong Provincial Key laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
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35
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Su D, Li H, Yan X, Lin Y, Lu G. Biosensors based on fluorescence carbon nanomaterials for detection of pesticides. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116126] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Lin X, Yu Q, Yang W, He C, Zhou Y, Duan N, Wu S. Double-enzymes-mediated fluorescent assay for sensitive determination of organophosphorus pesticides based on the quenching of upconversion nanoparticles by Fe 3. Food Chem 2020; 345:128809. [PMID: 33338834 DOI: 10.1016/j.foodchem.2020.128809] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/05/2020] [Accepted: 12/01/2020] [Indexed: 02/07/2023]
Abstract
Herein, a new double-enzymes-modulated fluorescent assay based on the quenching of upconversion nanoparticles (UCNPs) by Fe3+ was constructed for sensitive determination of OPs. OPs can inhibit the activity of acetylcholinesterase to reduce the production of choline and further lead to the lack of H2O2 in the presence of choline oxidase. Therefore, Fe2+ cannot be converted into Fe3+, resulting in "turn-on" fluorescence of UCNPs. Under optimal conditions, an excellent linear correlation between the inhibition efficiency and the logarithm of the chlorpyrifos concentration was achieved with a detection limit (LOD) of 6.7 ng/mL in the range of 20-2000 ng/mL. The recovery for chlorpyrifos in apples and cucumbers was 89.5-97.1%. The results were consistent with those obtained by GC-MS. Overall, the integration of UCNPs into the double-enzymes-mediated Fe3+/Fe2+ conversion endows this method with desirable rapidity, sensitivity, selectivity, stability, operational simplicity, and strong anti-interference capability, holding great potential in the application of food safety.
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Affiliation(s)
- Xianfeng Lin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Qianru Yu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wei Yang
- School of Basic Science, Tianjin Agricultural University, Tianjin 300392, China
| | - Chuxian He
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - You Zhou
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Nuo Duan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shijia Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Wuxi 214122, China.
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