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Zhang L, Wang K, Zhou F, Bu Y, Yang X, Nie G. A label-free photoelectrochemical biosensor for silver ions based on Zn-Co doped C and CdS QD nanomaterials. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:3202-3208. [PMID: 38742397 DOI: 10.1039/d4ay00547c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
A sensitive photoelectrochemical (PEC) biosensor for silver ions (Ag+) was developed based on Zn-Co doped C and CdS quantum dot (CdS QD) nanomaterials. Hydrophobic modified sodium alginate (HMA), which could stabilize and improve the PEC performance of CdS QDs, was also used for the construction of PEC sensors. Especially, Zn-Co doped C, CdS QDs and HMA were sequentially modified onto an electrode surface via the drop-coating method, and a C base rich DNA strand was then immobilized onto the modified electrode. As the C base in DNA specifically recognized Ag+, it formed a C-Ag+-C complex in the presence of Ag+, which created a spatial steric hindrance, resulting in a reduced PEC response. The sensing platform is sensitive to Ag+ in the range of 10.0 fM to 0.10 μM, with a limit of detection of 3.99 fM. This work offers an ideal platform to determine trace heavy metal ions in environmental monitoring and bioanalysis.
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Affiliation(s)
- Lu Zhang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Kun Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Feng Zhou
- The Eighth People's Hospital of Qingdao, China
| | - Yuwei Bu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Xiaoyan Yang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Guangming Nie
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
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Zhang H, Xu Y, Xu Y, Lu J, Song X, Luo X. An ingenious cellulose membrane sensor design strategy for colorimetric detection of Ag +/Hg 2+ based on redox reaction. Talanta 2023; 255:124209. [PMID: 36566556 DOI: 10.1016/j.talanta.2022.124209] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/18/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
This paper describes an ingenious cellulose membrane sensor design strategy for colorimetric detection of Ag+/Hg2+ based on redox reaction. The colorless 3,3',5,5'-tetramethylbenzidine (TMB) can be oxidized to blue oxidized TMB (oxTMB) when exposed to Ag+/Hg2+ that with strong oxidizing properties. Based on this phenomenon, TMB can be design as a colorimetric probe for Ag+/Hg2+, and the reaction mechanism and sensing performance of TMB as Ag+/Hg2+ were explored. In addition, the TMB probe-immobilized cellulose membranes (TMB@CMs) were developed by combining TMB with high-purity cellulose membranes (CMs) carrier with porous and polyhydroxy structures. As a platform for probe immobilization, TMB@CMs can effectively improve colorimetric sensing response and stability of TMB. The colorimetric mechanism of TMB@CMs was investigated including in situ oxidation of TMB and immediate immobilization of oxTMB. The experimental results showed that the visual detection limit (VLOD) of Ag+/Hg2+ was 10 μM when TMB was used as colorimetric probe, while the VLOD of the TMB@CMs was 1 μM. In addition, TMB@CMs had good reusability and stability. Through the analysis of SEM, EDS and XPS results, the mechanism of TMB colorimetric detection of Ag+/Hg2+ was that blue oxTMB and Ag/Hg elementals were generated by redox reaction between them. This study not only verified the feasibility of TMB as an Ag+/Hg2+ colorimetric probe, but also designed a probe-immobilized cellulose membrane model with convenient operation, uniform color development and stable color, which effectively improved the colorimetric sensing response and stability.
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Affiliation(s)
- Heng Zhang
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China.
| | - Ying Xu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Yating Xu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Junya Lu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Xuxuan Song
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Xiaogang Luo
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China; School of Materials Science and Engineering, Zhengzhou University, No.100 Science Avenue, Zhengzhou City, 450001, Henan, China.
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Zhang J, Liu Y, Yan Z, Wang Y, Guo P. A Novel Minidumbbell DNA-Based Sensor for Silver Ion Detection. BIOSENSORS 2023; 13:358. [PMID: 36979570 PMCID: PMC10046540 DOI: 10.3390/bios13030358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Silver ion (Ag+) is one of the most common heavy metal ions that cause environmental pollution and affect human health, and therefore, its detection is of great importance in the field of analytical chemistry. Here, we report an 8-nucleotide (nt) minidumbbell DNA-based sensor (M-DNA) for Ag+ detection. The minidumbbell contained a unique reverse wobble C·C mispair in the minor groove, which served as the binding site for Ag+. The M-DNA sensor could achieve a detection limit of 2.1 nM and sense Ag+ in real environmental samples with high accuracy. More importantly, the M-DNA sensor exhibited advantages of fast kinetics and easy operation owing to the usage of an ultrashort oligonucleotide. The minidumbbell represents a new and minimal non-B DNA structural motif for Ag+ sensing, allowing for the further development of on-site environmental Ag+ detection devices.
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Affiliation(s)
- Jiacheng Zhang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Yuan Liu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Zhenzhen Yan
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Yue Wang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Pei Guo
- Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou 310022, China
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Dai F, Xie M, Wang Y, Zhang L, Zhang Z, Lu X. Synergistic Effect Improves the Response of Active Sites to Target Variations for Picomolar Detection of Silver Ions. Anal Chem 2022; 94:10462-10469. [PMID: 35834409 DOI: 10.1021/acs.analchem.2c01665] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Heavy metal ions seriously threaten human health; even a trace of them can damage the renal, nervous, and immune systems irreversibly. Although established nanozyme-based colorimetric assays have been designed for the rapid detection of heavy metal ions, the general contained surface organic ligands of nanocatalysts and low absorptivity of metal ions on solid substrates might result in a weak effect on active sites and prevent the realization of their full detection potential. Here, we developed a nanozyme-based colorimetric sensor (CPM-Pt) made by pyrolysis of peat moss with preabsorbed traces of Pt ions to ultrasensitively detect Ag+. The calcination removes organic components and produces bare nanozymes that expose rich active sites. The strong protective effect from the porous carbon support enables the embedded Pt nanoparticles (Pt NPs) with a partially stable positive charge after pyrolysis (∼28% Pt2+ species). By the d8-d10 metal-metal interactions between Pt2+ (4f145d8) and Ag+ (4d10), the high proportion of Pt2+ species on the surface of Pt NPs can readily capture/absorb Ag+. Subsequently, Ag+ accepts electrons from the support to form Ag atoms, which rapidly cover the peroxidase-like active sites of bare Pt NPs, weakening the activation of H2O2 to realize the response of Ag+. The colorimetric detection limit of Ag+ reached an unprecedented 1.1 pM, and the corresponding naked-eye color recognition is ultrasensitive to extremely low levels (100 pM).
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Affiliation(s)
- Fangfang Dai
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Mingsen Xie
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Ying Wang
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Libing Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Zhen Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
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Pal C, Majumder S. Label-free electrochemical biosensor for ultra-low level detection of Ag(I) using ssDNA functionalized multi-walled carbon nanotube. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Pramanik S, Khamari L, Mukherjee S. Differentiating a Least-Stable Single Nucleotide Mismatch in DNA Via Metal Ion-Mediated Base Pairing and Using Thioflavin T as an Extrinsic Fluorophore. J Phys Chem Lett 2021; 12:2547-2554. [PMID: 33683888 DOI: 10.1021/acs.jpclett.1c00146] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Monitoring the DNA dynamics in solution has great potential to develop new nucleic acid-based sensors and devices. With spectroscopic approaches, both at the ensemble average and single-molecule resolution, this study is directed to differentiate a single nucleotide mismatch (SNM) via a metal ion-stabilized mismatched base-pairing (C-Ag+-C/C-Cu2+-T) (C = cytosine, T = thymine) and site-selective extrinsic fluorophore, specifically, Thioflavin T (ThT). This is the first approach of its kind where dynamic quantities like molecular diffusion coefficients and diffusion times have been utilized to distinguish the least-stable SNM (CC & CT) formed by the most discriminating nucleobase, specifically, cytosine in a 20-mer duplex DNA. Additionally, this work also quantifies metal ions (Ag+ and Cu2+) at lower concentrations using fluorescence correlation spectroscopy. Our results can provide greater molecular-level insights into the mismatch-dependent metal-DNA interactions and also illuminate ThT as a new fluorophore to monitor the dynamics involved in DNA-metal composites.
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Affiliation(s)
- Srikrishna Pramanik
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Laxmikanta Khamari
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
| | - Saptarshi Mukherjee
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh, India
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Wang Y, Wang S, Dong N, Kang W, Li K, Nie Z. Titanium Carbide MXenes Mediated In Situ Reduction Allows Label-Free and Visualized Nanoplasmonic Sensing of Silver Ions. Anal Chem 2020; 92:4623-4629. [DOI: 10.1021/acs.analchem.0c00164] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yan Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Molecular Science and Biomedicine Laboratory, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha 410082, P. R. China
| | - Song Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Molecular Science and Biomedicine Laboratory, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha 410082, P. R. China
| | - Ningning Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Molecular Science and Biomedicine Laboratory, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha 410082, P. R. China
| | - Wenyuan Kang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Molecular Science and Biomedicine Laboratory, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha 410082, P. R. China
| | - Kun Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Molecular Science and Biomedicine Laboratory, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha 410082, P. R. China
| | - Zhou Nie
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Molecular Science and Biomedicine Laboratory, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha 410082, P. R. China
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Kowouvi K, Alies B, Gendrot M, Gaubert A, Vacher G, Gaudin K, Mosnier J, Pradines B, Barthelemy P, Grislain L, Millet P. Nucleoside-lipid-based nanocarriers for methylene blue delivery: potential application as anti-malarial drug. RSC Adv 2019; 9:18844-18852. [PMID: 35516884 PMCID: PMC9064961 DOI: 10.1039/c9ra02576f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 05/29/2019] [Indexed: 12/26/2022] Open
Abstract
Nucleolipid supramolecular assemblies are promising Drug Delivery Systems (DDS), particularly for nucleic acids. Studies based on negatively and positively charged nucleolipids (diC16dT and DOTAU, respectively) demonstrated appropriate stability, safety, and purity profile to be used as DDS. Methylene Blue (MB) remains a good antimalarial drug candidate, and could be considered for the treatment of uncomplicated or severe malaria. However, the development of MB as an antimalarial drug has been hampered by a high dose regimen required to obtain a proper effect, and a short plasmatic half life. We demonstrated that nanoparticles formed by nucleolipid encapsulation of MB using diC16dT and DOTAU (MB-NPs) is an interesting approach to improve drug stability and delivery. MB-NPs displayed sizes, PDI, zeta values, and colloidal stability allowing a possible use in intravenous formulations. Nanoparticles partially protected MB from oxido-reduction reactions, thus preventing early degradation during storage, and allowing prolongated pharmacokinetic in plasma. MB-NPs' efficacy, tested in vitro on sensitive or multidrug resistant strains of Plasmodium falciparum, was statistically similar to MB alone, with a slightly lower IC50. This nucleolipid-based approach to protect drugs against degradation represents a new alternative tool to be considered for malaria treatment.
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Affiliation(s)
- Koffi Kowouvi
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
| | - Bruno Alies
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
| | - Mathieu Gendrot
- Unité de Parasitologie et Entomologie, Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées Marseille France
- Aix-Marseille Univ., IRD, SSA, AP-HM, VITROME Marseille France
- IHU Méditerranée Infection Marseille France
| | - Alexandra Gaubert
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
| | - Gaelle Vacher
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
| | - Karen Gaudin
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
| | - Joel Mosnier
- Unité de Parasitologie et Entomologie, Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées Marseille France
- Aix-Marseille Univ., IRD, SSA, AP-HM, VITROME Marseille France
- IHU Méditerranée Infection Marseille France
- Centre National de Référence du Paludisme Marseille France
| | - Bruno Pradines
- Unité de Parasitologie et Entomologie, Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées Marseille France
- Aix-Marseille Univ., IRD, SSA, AP-HM, VITROME Marseille France
- IHU Méditerranée Infection Marseille France
- Centre National de Référence du Paludisme Marseille France
| | - Philippe Barthelemy
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
| | - Luc Grislain
- Univ. Bordeaux 146 rue Léo Saignat F-33076 Bordeaux France
| | - Pascal Millet
- Univ. Bordeaux, U1212 INSERM-UMR 5320 CNRS, ARNA, ChemBioPharm 146 rue Léo Saignat F-33076 Bordeaux France
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