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Kautu A, Sharma S, Singh R, Negi SS, Singh N, Swain N, Kumar V, Kumar N, Gupta P, Bhatia D, Joshi KB. Metallopeptide nanoreservoirs for concurrent imaging and detoxification of lead (Pb) from human retinal pigment epithelial (hRPE1) cells. NANOSCALE 2024; 16:14940-14952. [PMID: 39046356 DOI: 10.1039/d4nr02236j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Inspired by natural metallopeptides, our work focuses on engineering self-assembling nanostructures of C2-symmetric metallopeptide conjugates (MPC) from a pyridine-bis-tripeptide bioprobe that uniquely detects lead (Pb2+) ions by emitting a fluorescence signal at 450 nm, which is further intensified in the presence of DAPI (λem = 458 nm), enhancing the bioimaging quality. This study enables precise lead quantification by modulating the ionic conformation and morphology. Experimental and theoretical insights elucidate the nanostructure formation mechanism, laying the groundwork for materials encapsulation and advancing lead detoxification. Our proof-of-principle experiment, demonstrating actin filament recovery in lead-treated cells, signifies therapeutic potential for intracellular lead aggregation and introduces novel avenues in biotechnological applications within biomaterials science.
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Affiliation(s)
- Aanand Kautu
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
| | - Shruti Sharma
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
| | - Ramesh Singh
- Department of Biological Sciences and Engineering, Indian Institute of Technology, Palaj, Gujarat 382355, India.
| | - Saurabh Singh Negi
- Computational Catalysis Centre, Department of Chemistry, Indian Institute of Technology Roorkee, 247667 Uttarakhand, India.
| | - Narendra Singh
- Indian Institute of Technology Kanpur, U.P., 208016, India
| | - Narayan Swain
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
| | - Vikas Kumar
- Department of Chemistry, Government College Khimlasha, M.P., India
| | - Nikunj Kumar
- Computational Catalysis Centre, Department of Chemistry, Indian Institute of Technology Roorkee, 247667 Uttarakhand, India.
| | - Puneet Gupta
- Computational Catalysis Centre, Department of Chemistry, Indian Institute of Technology Roorkee, 247667 Uttarakhand, India.
| | - Dhiraj Bhatia
- Department of Biological Sciences and Engineering, Indian Institute of Technology, Palaj, Gujarat 382355, India.
| | - Khashti Ballabh Joshi
- Department of Chemistry, School of Chemical Science and Technology, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, 470003, India.
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Bartwal G, Manivannan R, Son YA. Synergistic integration of a rhodamine-labelled tripeptide into AIE-active fluorogenic probe: Enabling nanomolar detection of Al 3+ ions through test strips, thin films, and Arduino-assisted optosensing platform. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 323:124874. [PMID: 39096673 DOI: 10.1016/j.saa.2024.124874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 07/20/2024] [Accepted: 07/22/2024] [Indexed: 08/05/2024]
Abstract
Peptide-fluorophore conjugates (PFCs) have been expeditiously utilized for metal ion recognition owing to their distinctive characteristics. Selective detection and quantification of aluminum is essential to minimize health and environmental risks. Herein, we report the synthesis and characterization of a new chemoprobe with aggregation-induced emission characteristics by chemically conjugating rhodamine-B fluorophore with a tripeptide. The probe revealed β-sheet secondary conformation in both solid and solution states, as confirmed by FT-IR, PXRD, and CD experiments. AIE characteristics of the probe in water-MeCN mixtures revealed the formation of spherically shaped nanoaggregates with an average size of 353 ± 7 nm, as confirmed by SEM, TEM, and DLS studies. The probe exhibited a large stokes shift (175 nm) and displayed selective colorimetric and fluorometric responses towards Al3+ ions with an extremely low detection limit (51 nm) and a fast response time (≤15 s). Comparative NMR studies confirmed the cleavage of spirolactam ring upon aluminum binding. The probe's practicality was enhanced through integration into test strips and thin films, allowing solid-phase detection of Al3+ ions. Furthermore, an RGB-Arduino enabled optosensing device has been developed to enable instant quantifiable analysis of aluminum concentrations in real-time conditions.
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Affiliation(s)
- Gaurav Bartwal
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Ramalingam Manivannan
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Young-A Son
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea.
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Zhang Q, Zhang D, Zhu Z, Jiang Y. Detection and application of hypochlorous acid in both aqueous environments and living organisms. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 314:124225. [PMID: 38581774 DOI: 10.1016/j.saa.2024.124225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/18/2024] [Accepted: 03/29/2024] [Indexed: 04/08/2024]
Abstract
The scarcity of water resources has raised concerns regarding drinking water safety. Excessive addition of hypochlorous acid (OCl-) as a disinfectant in drinking water can result in severe consequences. Moreover, abnormal levels of OCl- within the human body can lead to various diseases. Employing fluorescence analysis, the design and synthesis of specific fluorescent probes for simultaneous detection of OCl- in water environments and living organisms holds strategic significance in ensuring the safety of drinking water and mitigating potential risks caused by its abnormal concentrations. This article utilizes naphthalimide as a precursor to develop a novel probe enabling highly sensitive detection of OCl- in water environments and at the organelle level within living organisms. This endeavor serves to provide assurance for drinking water safety and offers health alerts.
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Affiliation(s)
- Qian Zhang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, Jiangsu, People's Republic of China
| | - Di Zhang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, Jiangsu, People's Republic of China
| | - Zeyu Zhu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, Jiangsu, People's Republic of China
| | - Yuliang Jiang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, Jiangsu, People's Republic of China.
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Wang D, Wei M, Zhao L, Song T, Li Q, Tan J, Tang J, Li Z, Zhu R. Development of a novel fluorescent protein-based probe for efficient detection of Pb 2+ in serum inspired by the metalloregulatory protein PbrR691. Anal Chim Acta 2024; 1305:342580. [PMID: 38677837 DOI: 10.1016/j.aca.2024.342580] [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: 12/15/2023] [Revised: 03/18/2024] [Accepted: 04/04/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND The accurate and rapid detection of blood lead concentration is of paramount importance for assessing human lead exposure levels. Fluorescent protein-based probes, known for their high detection capabilities and low toxicity, are extensively used in analytical sciences. However, there is currently a shortage of such probes designed for ultrasensitive detection of Pb2+, and no reported probes exist for the quantitative detection of Pb2+ in blood samples. This study aims to fill this critical void by developing and evaluating a novel fluorescent protein-based probe that promises accurate and rapid lead quantification in blood. RESULTS A simple and small-molecule fluorescent protein-based probe was successfully constructed herein using a peptide PbrBD designed for Pb2+ recognition coupled to a single fluorescent protein, sfGFP. The probe retains a three-coordinate configuration to identify Pb2+ and has a high affinity for it with a Kd' of 1.48 ± 0.05 × 10-17 M. It effectively transfers the conformational changes of the peptide to the chromophore upon Pb2+ binding, leading to fast fluorescence quenching and a sensitive response to Pb2+. The probe offers a broad dynamic response range of approximately 37-fold and a linear detection range from 0.25 nM to 3500 nM. More importantly, the probe can resist interference of metal ions in living organisms, enabling quantitative analysis of Pb2+ in the picomolar to millimolar range in serum samples with a recovery percentage of 96.64%-108.74 %. SIGNIFICANCE This innovative probe, the first to employ a single fluorescent protein-based probe for ultrasensitive and precise analysis of Pb2+ in animal and human serum, heralds a significant advancement in environmental monitoring and public health surveillance. Furthermore, as a genetically encoded fluorescent probe, this probe also holds potential for the in vivo localization and concentration monitoring of Pb2+.
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Affiliation(s)
- Dan Wang
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, 530004, China; Nanning New Technology Entrepreneur Center, Nanning, 530006, China.
| | - Min Wei
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China
| | - Liu Zhao
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China
| | - Tianyu Song
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China
| | - Qunfang Li
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China
| | - Jiaxin Tan
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China
| | - Jing Tang
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China
| | - Zhipeng Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, 530004, China.
| | - Rukui Zhu
- College of Chemistry and Materials, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning, 530001, China.
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Bai C, Yao J, Meng Q, Dong Y, Chen M, Liu X, Wang X, Qiao R, Huang H, Wei B, Qu C, Miao H. A near-infrared fluorescent ratiometric probe with large Stokes shift for multi-mode sensing of Pb 2+ and bioimaging. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133968. [PMID: 38452682 DOI: 10.1016/j.jhazmat.2024.133968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
Pb2+ is a heavy metal ion pollutant that poses a serious threat to human health and ecosystems. The conventional methods for detecting Pb2+ have several limitations. In this study, we introduce a novel fluorescent probe that enables the detection of Pb2+ in the near-infrared region, free from interference from other common ions. A unique characteristic of this probe is its ability to rapidly and accurately identify Pb2+ through ratiometric measurements accompanied by a large Stokes shift of 201 nm. The limit of detection achieved by probe was remarkably low, surpassing the standards set by the World Health Organization, and outperforming previously reported probes. To the best of our knowledge, this is the first organic small-molecule fluorescent probe with both near-infrared emission and ratiometric properties for the detection of Pb2+. We present a triple-mode sensing platform constructed using a probe that allows for the sensitive and selective recognition of Pb2+ in common food items. Furthermore, we successfully conducted high-quality fluorescence imaging of Pb2+ in various samples from common edible plants, HeLa cells, Caenorhabditis elegans, and mice. Importantly, the probe-Pb2+ complex exhibited tumour-targeting capabilities. Overall, this study presents a novel approach for the development of fluorescent probes for Pb2+ detection.
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Affiliation(s)
- Cuibing Bai
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Junxiong Yao
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Qian Meng
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Yajie Dong
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Mengyu Chen
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Xinyi Liu
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Xinyu Wang
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Rui Qiao
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China.
| | - Huanan Huang
- College of Chemistry and Chemical Engineering, Jiangxi Province Engineering Research Center of Ecological Chemical Industry, Xinghuo Organosilicon Industry Research Center, Jiujiang University, Jiujiang 332005, PR China.
| | - Biao Wei
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Changqing Qu
- Research Center of Anti-aging Chinese Herbal Medicine of Anhui Province, Fuyang, Anhui 236037, PR China
| | - Hui Miao
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China.
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Madawala H, Puri SR, Weaver D, Kim J. Pb 2+-Selective Nanoemulsion-Integrated Single-Entity Electrochemistry for Ultrasensitive Sensing of Blood Lead. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:3004-3014. [PMID: 38294191 DOI: 10.1021/acs.langmuir.3c03138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Unequivocally, Pb2+ as a harmful substance damaging children's brain and nerve systems, thereby causing behavior and learning disabilities, should be detected much lower than the elevated blood lead for children, 240 nM, endorsed by US CDC considering the unknown neurotoxic effects, yet the ultralow detection limit up to sub-ppb level remains a challenge due to the intrinsically insufficient sensitivity in the current analytical techniques. Here, we present nanoemulsion (NE)-integrated single-entity electrochemistry (NI-SEE) toward ultrasensitive sensing of blood lead using Pb-ion-selective ionophores inside a NE, i.e., Pb2+-selective NE. Through the high thermodynamic selectivity between Pb2+ and Pb-ionophore IV, and the extremely large partition coefficient for the Pb2+-Pb-ionophore complex inside NEs, we modulate the selectivity and sensitivity of NI-SEE for Pb2+ sensing up to an unprecedentedly low detection limit, 20 ppt in aqueous solutions, and lower limit of quantitation, 40 ppb in blood serums. This observation is supported by molecular dynamics simulations, which clearly corroborate intermolecular interactions, e.g., H-bonding and π*-n, between the aromatic rings of Pb-ionophore and lone pair electrons of oxygen in dioctyl sebacate (DOS), plasticizers of NEs, subsequently enhancing the current intensity in NI-SEE. Moreover, the highly sensitive sensing of Pb2+ is enabled by the appropriate suppression of hydroxyl radical formation during NI-SEE under a cathodic potential applied to a Pt electrode. Overall, the experimentally demonstrated NI-SEE approach and the results position our new sensing technology as potential sensors for practical environmental and biomedical applications as well as a platform to interrogate the stoichiometry of target ion-ionophore recognition inside a NE as nanoreactors.
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Affiliation(s)
- Hiranya Madawala
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Surendra Raj Puri
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Delaney Weaver
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Jiyeon Kim
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
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Li Z, Chen L, Deng J, Zhang J, Qiao C, Yang M, Xu G, Luo X, Huo D, Hou C. Eu-MOF based fluorescence probe for ratiometric and visualization detection of Cu 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123367. [PMID: 37714107 DOI: 10.1016/j.saa.2023.123367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 08/18/2023] [Accepted: 09/05/2023] [Indexed: 09/17/2023]
Abstract
Water contamination caused by heavy metals represents an urgent global issue. Cu2+, a potential trace heavy metal pollutant, can accumulate in the human body through the food chain, leading to excessive levels that give rise to diverse health complications. Hence, in this investigation, a novel and efficacious fluorescent probe named Eu-BTB was developed for the detection of Cu2+, employing 1,3,5-triphenyl(4-carboxyphenyl) (H3BTB) as the ligand and Eu3+ as the metallic framework. The probe demonstrates exceptional fluorescence characteristics. The interaction between the probe ligand BTB and Eu3+ triggers an antenna effect, heightening the emission efficiency of Eu3+ while preserving its intrinsic emission. The introduction of Cu2+ competes with BTB for binding, thus quelling the antenna effect and inducing a fluorescence alteration. Within the concentration range of 0.05-10 μM, the fluorescence intensity-to-Cu2+ concentration ratio exhibits a robust linear correlation, with a remarkably low detection limit of 10 nM and a rapid response time of 3 min. The fluorescent probe has been effectively deployed for the detection of copper ions in water across diverse environmental conditions, with the obtained outcomes being validated via the conventional approach of inductively coupled plasma mass spectrometry (ICP-MS). The Eu-BTB probe showcases the advantages of simplicity, swiftness, and broad applicability, thus affirming its potential for the prompt and accurate detection of Cu2+ in diverse environmental water samples.
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Affiliation(s)
- Zhihua Li
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Lin Chen
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Jiaxi Deng
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Jing Zhang
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Cailin Qiao
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Mei Yang
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Guoren Xu
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology, Harbin 150090, PR China
| | - Xiaogang Luo
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China; Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, PR China.
| | - Changjun Hou
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology, Harbin 150090, PR China.
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Zhang Z, Huang Z, Qin D, Liu D, Guo X, Lin H. Fluorescent starch-based hydrogel with cellulose nanofibrils and carbon dots for simultaneous adsorption and detection of Pb(II). Carbohydr Polym 2024; 323:121427. [PMID: 37940256 DOI: 10.1016/j.carbpol.2023.121427] [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: 05/18/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 11/10/2023]
Abstract
The adsorption removal of lead (Pb) ions has become a crucial area of research due to the potential health hazards associated with Pb contamination. Developing cost-effective adsorbents for the removal of Pb(II) ions is significantly important. Hence, a novel fluorescent starch-based hydrogel (FSH) using starch (ST), cellulose nanofibrils (CN), and carbon dots (CD) was fabricated for simultaneous adsorption and detection of Pb(II). A comprehensive characterization of FSH, including its morphological features, chemical composition, and fluorescence characteristics, was conducted. Notably, FSH exhibited a maximum theoretical adsorption capacity of 265.9 mg/g, which was 13.0 times higher than that of pure ST. Moreover, FSH was employed as a fluorescent sensor for Pb(II) determination, achieving a limit of detection (LOD) of 0.06 μg/L. An analysis was further performed to investigate the adsorption and detection mechanisms of Pb(II) utilizing FSH. This study provides valuable insights into the production of a novel cost-effective ST-based adsorbent for the removal of Pb(II) ions.
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Affiliation(s)
- Zhixu Zhang
- State Key Laboratory of Subhealth Intervention Technology, 410128 Changsha, Hunan, China; College of Horticulture, Hunan Agricultural University, 410128 Changsha, Hunan, China
| | - Zhengwu Huang
- College of Food Science and Technology, Hunan Agricultural University, 410128 Changsha, Hunan, China
| | - Dan Qin
- College of Food Science and Technology, Hunan Agricultural University, 410128 Changsha, Hunan, China
| | - Dongbo Liu
- State Key Laboratory of Subhealth Intervention Technology, 410128 Changsha, Hunan, China; College of Horticulture, Hunan Agricultural University, 410128 Changsha, Hunan, China
| | - Xin Guo
- College of Science, Central South University of Forestry and Technology, 410004 Changsha, Hunan, China.
| | - Haiyan Lin
- National Research Center of Engineering Technology for Utilization Ingredients from Botanicals, 410128 Changsha, Hunan, China
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9
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Chuan H, Li B, Wang Z, Wang J, Xie P, Liu Y. Feedback of lake trophic status via MC-LR fluorescence technique. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 267:115671. [PMID: 37951093 DOI: 10.1016/j.ecoenv.2023.115671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/13/2023]
Abstract
Eutrophication remains one of the most challenging environmental problems, and microcystin-leucine-arginine (MC-LR) produced in eutrophic waters would cause serious ecological risks. However, the traditional assessment methods of trophic status, such as water quality index (WQI) and trophic status index (TSI), could not directly reflect the existence or concentration of MC-LR in water. Moreover, traditional MC-LR detection methods are costly and time-consuming. Therefore, it remains a challenge to develop a method that can simply and quickly reflect the level of MC-LR. Herein, a novel probe with specific response to MC-LR was proposed to assess the distribution characteristics of MC-LR in water bodies. By combining the response signal of the probe with the filtered water sample and the water quality parameters, a more accurate assessment tool for MC-LR was obtained. This probe can specifically respond to MC-LR in aqueous solution, and its fluorescence signal is enhanced with the increase of MC-LR concentration. More importantly, the fluorescent signal of the probe showed a significant positive correlation with MC-LR concentration in water samples. This visualization tool has practical application potential for the preliminary assessment of MC-LR in eutrophic waters.
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Affiliation(s)
- Huiyan Chuan
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Bingyan Li
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Zhaomin Wang
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Jie Wang
- Yunnan Water Science Research Institute, Kunming 650500, Yunnan, PR China
| | - Ping Xie
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China; Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China.
| | - Yong Liu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China.
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10
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Lee JY, Mehta PK, Subedi S, Lee KH. Development of ratiometric fluorescent probes based on peptides for sensing Pb 2+ in aquatic environments and human serum. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 294:122502. [PMID: 36841137 DOI: 10.1016/j.saa.2023.122502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/31/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
The detection of Pb2+ ions in aquatic environments and biofluid samples is crucial for assessment of human health. Herein, we synthesized two fluorescent probes (1 and 2) consisting of the peptide receptor for Pb2+ and a benzothiazolyl-cyanovinylene fluorophore that exhibited excimer-like emission when it aggregated. The peptide-based probes sensitively detected Pb2+ in purely aqueous solution (1% DMF) through ratiometric fluorescent response with a decrease in monomer emission at 520 nm and an increase in excimer emission at 570 nm. Specially, probe 2 showed remarkable detection features such as high selectivity for Pb2+over 15 metal ions, high binding affinity (Kd = 5.83 × 10-7 M) for Pb2+, significant emission intensity changes, low detection limit (3.8 nM) of Pb2+, high water solubility, and visible light excitation (450 nm). Probe 2 was successfully used to quantify nanomolar concentration (0 ∼ 800 nM) of Pb2+ in real water samples (ground water and tap water). Specially, 2 was successfully applied for the quantification of Pb2+ in human serum by combination of microwave-assisted human serum digestion and filtration of digested serum by anion exchange cartridge. We clearly investigated the binding mode of 2 with Pb2+ using 1H NMR, IR spectroscopy, pH titration, confocal microscopy, and size analysis. The peptide-based fluorescent probe might have great application potential for sensing Pb2+ in aquatic environments and biofluid samples.
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Affiliation(s)
- Jae Yoon Lee
- Research Center for Controlling Intercellular Communication and Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea
| | - Pramod Kumar Mehta
- Research Center for Controlling Intercellular Communication and Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea
| | - Sumita Subedi
- Research Center for Controlling Intercellular Communication and Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea
| | - Keun-Hyeung Lee
- Research Center for Controlling Intercellular Communication and Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea.
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Mehta PK, Lee J, Oh ET, Park HJ, Lee KH. Ratiometric Fluorescence Sensing System for Lead Ions Based on Self-Assembly of Bioprobes Triggered by Specific Pb 2+-Peptide Interactions. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 36883859 DOI: 10.1021/acsami.3c00567] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Lead is one of the most toxic substances. However, there are few ratiometric fluorescent probes for sensing Pb2+ in aqueous solution as well as living cells because specific ligands for Pb2+ ions have not been well characterized. Considering the interactions between Pb2+ and peptides, we developed ratiometric fluorescent probes for Pb2+ based on the peptide receptor in two steps. First, we synthesized fluorescent probes (1-3) based on the tetrapeptide receptor (ECEE-NH2) containing hard and soft ligands by conjugation with diverse fluorophores that showed excimer emission when they aggregated. After investigation of fluorescent responses to metal ions, benzothiazolyl-cyanovinylene was evaluated as an appropriate fluorophore for ratiometric detection of Pb2+. Next, we modified the peptide receptor to decrease the number of hard ligands and/or to replace Cys with disulfide bond and methylated Cys for improving selectivity and cell permeability. From this process, we developed two fluorescent probes (3 and 8) among the probes (1-8) that exhibited remarkable ratiometric sensing properties for Pb2+ including high water solubility (≤2% DMF), visible light excitation, high sensitivity, selectivity for Pb2+, low detection limits (<10 nM), and fast response (<6 min). The binding mode study revealed that specific Pb2+-peptide interactions of the probes caused nanosized aggregates in which the fluorophores of the probes came close each other, exhibiting excimer emission. In particular, 8 based on tetrapeptide bearing a disulfide bond and two carboxyl groups with a good permeability successfully quantified intracellular uptake of Pb2+ in live cells through ratiometric fluorescent signals. The ratiometric sensing system based on specific metal-peptide interactions and excimer emission process could provide a valuable tool to quantify Pb2+ in live cells and pure aqueous solutions.
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Affiliation(s)
- Pramod Kumar Mehta
- Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea
| | - JaeYoon Lee
- Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea
| | - Eun-Taex Oh
- Department in Biomedical Sciences, College of Medicine, Inha University, Incheon 22212, South Korea
| | - Heon Joo Park
- Program in Biomedical Science & Engineering, Inha University, Incheon 22212, South Korea
| | - Keun-Hyeung Lee
- Education and Research Center for Smart Energy Materials and Process, Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, South Korea
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Cheng X, Li Y, Kou J, Liao D, Zhang W, Yin L, Man S, Ma L. Novel non-nucleic acid targets detection strategies based on CRISPR/Cas toolboxes: A review. Biosens Bioelectron 2022; 215:114559. [DOI: 10.1016/j.bios.2022.114559] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/20/2022] [Accepted: 07/07/2022] [Indexed: 12/26/2022]
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Sagong HY, Son MH, Park SW, Kim JS, Li T, Jung YK. Dual-signal optical detection of Lead(II) ions (Pb2+) using galloyl group-functionalized polydiacetylene. Anal Chim Acta 2022; 1230:340403. [DOI: 10.1016/j.aca.2022.340403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 11/01/2022]
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Wu HF, Kailasa SK. Recent advances in nanomaterials-based optical sensors for detection of various biomarkers (inorganic species, organic and biomolecules). LUMINESCENCE 2022. [PMID: 35929140 DOI: 10.1002/bio.4353] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/11/2022] [Accepted: 07/27/2022] [Indexed: 11/07/2022]
Abstract
This review briefly emphasizes the different detection approaches (electrochemical sensors, chemiluminescence, surface-enhanced Raman scattering), functional nanostructure materials (quantum dots, metal nanoparticles, metal nanoclusters, magnetic nanomaterials, metal oxide nanoparticles, polymer-based nanomaterials, and carbonaceous nanomaterials) and detection mechanisms. Further, this review emphasis on the integration of functional nanomaterials with optical spectroscopic techniques for the identification of various biomarkers (nucleic acids, glucose, uric acid, oxytocin, dopamine, ascorbic acid, bilirubin, spermine, serotonin, thiocyanate, Pb2+ , Cu2+ , Hg2+ , F- , peptides, and cancer biomarkers (mucin 1, prostate specific antigen, carcinoembryonic antigen, CA15-3, human epidermal growth factor receptor 2, C-reactive protein, and interleukin-6). Analytical characteristics of nanomaterials-based optical sensors are summarized in Tables, providing the insights of nanomaterials-based optical sensors for biomarkers detection. Finally, the opportunities and challenges of nanomaterials-based optical analytical approaches for the detection of various biomarkers (inorganic, organic, biomolecules, peptides and proteins) are discussed.
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Affiliation(s)
- Hui-Fen Wu
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, Taiwan
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung, Taiwan
- International PhD Program for Science, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
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Li G, Li H, Zhai J, Guo J, Li Q, Wang CF, Chen S. Microfluidic fluorescent platform for rapid and visual detection of veterinary drugs. RSC Adv 2022; 12:8485-8491. [PMID: 35424796 PMCID: PMC8984828 DOI: 10.1039/d2ra00626j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/11/2022] [Indexed: 11/21/2022] Open
Abstract
The overuse of veterinary drugs and veterinary drug residues is increasingly becoming an obstacle to sustainable development worldwide. It is therefore imperative to establish a quantitative, sensitive and efficient method for the detection of veterinary drugs. Herein, we developed a visual microfluidic detection platform for rapid and sensitive detection of veterinary drugs using CdTe quantum dots (QDs) with three different ligands as the sensing units. Green-emissive 3-mercaptopropionic acid (MPA)-CdTe QDs, yellow-emissive thioglycolic acid (TGA)-CdTe QDs and orange-emissive N-acetyl-l-cysteine (NAC)-CdTe QDs were synthesized by a sulfhydryl aqueous phase method. These CdTe QDs show selective rapid fluorescence response to pefloxacin (PEF), malachite green (MG), and 1-aminohydantoin hydrochloride (AHD). With the concentration of veterinary drugs increasing, the CdTe QDs reveals a fluorescence color variation from bright to dark until quenched and the response degree of CdTe QDs with different ligands to veterinary drugs is different. Specifically, the limits of detection (LODs) of MPA-CdTe, TGA-CdTe and NAC-CdTe QDs probes for PEF were 7.57 μM, 1.75 μM and 2.90 μM, respectively, and the response was complete in a few seconds, realizing the sensitive and rapid detection of PEF. The three kinds of CdTe QDs could also be used in the detection of other veterinary drugs such as MG and AHD. Finally, a microfluidic detection platform was constructed for visual sensing and rapid detection towards veterinary drugs. The sensor platform holds the advantages of simple operation, low cost, rapid sensing and good sensitivity, and is potentially useful for visual quantitative detection of veterinary drug residues in aquatic products and the environment.
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Affiliation(s)
- Ge Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
| | - Hao Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
| | - Jiang Zhai
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
| | - Jiazhuang Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
| | - Qing Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
| | - Cai-Feng Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
| | - Su Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu Key Laboratory of Fine Chemicals and Functional Polymer Materials, Nanjing Tech University Nanjing 210009 China +86-25-83172258
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