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Sotgiu G, De Santis S, Orsini M, Bavasso I, Sarasini F, Petrucci E. Copper-Decorated Titanium Electrodes: Impact of Surface Modifications of Substrate on the Morphology and Electrochemical Performance. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38691769 DOI: 10.1021/acsami.4c00203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
This study investigates the effect of surface modifications of the titanium substrate on the growth of electrochemically deposited copper. These materials are intended to serve as cathodes in the electroreduction of nitrates in aqueous solutions. Surface modifications included the use of hydrogen fluoride for titanium etching and anodization to promote the growth of a structured titania nanotube array. The effect of an intermediate calcination step for the nanotubes before deposition was assessed along with a comparison to an untreated substrate electrode. The materials were comprehensively characterized by SEM, XRD, contact angle, potentiodynamic tests, EIS, and cyclic voltammetry. Their electrocatalytic ability was tested in the reduction of aqueous solutions containing nitrates. The results reveal that surface finishing impacted the shape and size of the Cu microparticles, as well as the nucleation mechanism enabling a crystal-facet-controllable synthesis. All the materials exhibited microsized copper particles with a spherical shape with some clusters. On the etched titanium surface, a high number of heterogeneous submicroscopic particles were also present. The thermally treated anodized substrate promoted the development of a combination of sparse microparticles corresponding to defect sites in amorphous titanium and the presence of a diffuse coating of octahedral nanosized particles whose growth was promoted by the tetragonal structure of anatase crystals. Electrochemical tests display reduced charge transfer resistance upon copper deposition on the modified substrates, which is indicative of the enhanced conductivity of the coated materials. Additionally, cyclic voltammetry and electrolysis experiments reveal the electrodes' potential for nitrate reduction, showing a better response for the etched titanium substrate (30% nitrate removal, after 2 h at 25 mA cm-2).
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Affiliation(s)
- Giovanni Sotgiu
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Roma, Italy
| | - Serena De Santis
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Roma, Italy
| | - Monica Orsini
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Roma, Italy
| | - Irene Bavasso
- Department of Chemical Engineering Materials Environment, Sapienza University of Rome, Via Eudossiana 18, 00184 Roma, Italy
| | - Fabrizio Sarasini
- Department of Chemical Engineering Materials Environment, Sapienza University of Rome, Via Eudossiana 18, 00184 Roma, Italy
| | - Elisabetta Petrucci
- Department of Chemical Engineering Materials Environment, Sapienza University of Rome, Via Eudossiana 18, 00184 Roma, Italy
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Lin T, Zhang J, Huo D, Yang F, Zhang J, Huang L, Deng SP, Tan S, Chen H. Silk fibroin-based coating with pH-dependent controlled release of Cu 2+ for removal of implant bacterial infections. J Colloid Interface Sci 2023; 650:1893-1906. [PMID: 37517189 DOI: 10.1016/j.jcis.2023.07.138] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 07/18/2023] [Accepted: 07/22/2023] [Indexed: 08/01/2023]
Abstract
The implantation of medical devices is frequently accompanied by the invasion of bacteria, which may lead to implant failure. Therefore, an intelligent and responsive coating seems particularly essential in hindering implant-associated infections. Herein, a self-defensive antimicrobial coating, accompanied by silk fibroin as a valve, was successfully prepared on the titanium (Ti-Cu@SF) for pH-controlled release of Cu2+. The results showed that the layer could set free massive Cu2+ to strive against E. coli and S. aureus for self-defense when exposed to a slightly acidic condition. By contrary, a little Cu2+ was released in the physiological situation, which could avoid damage to the normal cells and showed excellent in vitro pH-dependent antibiosis. Besides, in vivo experiment confirmed that Ti-Cu@SF could work as an antibacterial material to kill S. aureus keenly and display negligible toxicity in vivo. Consequently, the design provided support for endowing the layer with outstanding biocompatibility and addressing the issue of bacterial infection during the implantation of Ti substrates.
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Affiliation(s)
- Tongyao Lin
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Jinglin Zhang
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China; School of Light Industry and Materials, Guangdong Polytechnic, Foshan 528041, China
| | - Dongliang Huo
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Fengjuan Yang
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Jingxian Zhang
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Langhuan Huang
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Sui-Ping Deng
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Shaozao Tan
- Guangdong Engineering & Technology Research Centre of Graphene-like Materials and Products, Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China; Guangdong Jianpai New Materials Co., Ltd., Foshan 528500, China.
| | - Huifang Chen
- College of Pharmacy, Guangdong Lingnan Institute of Technology, Guangzhou 510663, China.
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Hu J, Su X, Yuan L, Zheng K, Zou X, Sun Z, Xu X, Zhang W. Competitive immunoassay using enzyme-regulated Fe 3O 4@COF/Fe 3+ fluorescence probe for natural chloramphenicol detection. Anal Chim Acta 2023; 1277:341680. [PMID: 37604605 DOI: 10.1016/j.aca.2023.341680] [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: 06/02/2023] [Revised: 07/23/2023] [Accepted: 07/30/2023] [Indexed: 08/23/2023]
Abstract
Accurate and sensitive detection of chloramphenicol (CAP) in natural samples is essential for ensuring human health. Herein, an enzyme-regulated fluorescence sensor using Fe3O4@COF/Fe3+ probe, is developed for CAP determination. Fe3O4@COF, synthesized via hydrothermal method, exhibits dual functions as a magnetic carrier and signal probe. Bovine serum albumin conjugated-chloramphenicol, adsorbed on the surface of Fe3O4@COF, competes with CAP for antibody binding. The antibody interacts with alkaline phosphatase via the biotin-streptavidin system. Meanwhile, ascorbic acid, produced from the enzyme-catalyzed reaction dominated by alkaline phosphatase, effectively restores the fluorescence of Fe3O4@COF that is quenched by Fe3+. After experimental verification and gradual optimization, a logarithmic linear relationship between CAP concentration and fluorescence intensity is established in the range of 2 × 10-4∼10 μg mL-1, with a good limit of detection (9.2 × 10-5 μg mL-1). Proposed method exhibits excellent stability (15 days) and reusability (8 cycles), providing a sensitive and reliable method for accurate CAP detection. The readouts show good agreement with HPLC and recoveries during laboratory and natural CAP analysis.
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Affiliation(s)
- Jutao Hu
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Xiaoyu Su
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Lei Yuan
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Kaiyi Zheng
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Xiaobo Zou
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Zongbao Sun
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Xuechao Xu
- College of Food Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Wen Zhang
- College of Photoelectric Engineering, Chongqing University, Chongqing, 400044, China.
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Liu Y, Yan X, Li L, Xing Y, Zhao P, Liu M, Zhu Y, Liu N, Zhang Z. Nanoreactor based on Cu nanoparticles confined in B, N co-doped porous carbon nanotubes for glutathione biosensing. Mikrochim Acta 2023; 190:325. [PMID: 37493765 DOI: 10.1007/s00604-023-05893-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 06/29/2023] [Indexed: 07/27/2023]
Abstract
A cost-effective approach has been developed to synthesize Cu nanoparticles encapsulated into B and N double-doped carbon nanotubes (Cu@BCNNTs) by one-step pyrolysis. According to the specific binding of Cu-Cl and Cu-glutathione (GSH), we employed Cu@BCNNTs to build an electrochemical sensing platform to detect GSH. The unique space-confined structure can prevent Cu nanoparticles from agglomeration. In addition, B and N co-doped porous hollow tubes can improve the electrochemical conductivity, expand the number of active sites, enhance surface adsorption, and shorten the transport path. These favorable characteristics of Cu@BCNNTs make them have excellent electrocatalytic properties. These results display that the prepared sensor can detect GSH from 0.5 to 120 μM with a detection limit of 0.024 μM. The obtained sensors can be successfully applied in the human serum with recovery of GSH ranging from 100.2 to 103.9%. This work provides a new vision to synthesize nanoparticles confined in a hollow tube for the applications in biosensing and medical diagnostics.
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Affiliation(s)
- Yu Liu
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xiaoyi Yan
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Luo Li
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yue Xing
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Puyu Zhao
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Meihan Liu
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yunxue Zhu
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Ning Liu
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Zhiquan Zhang
- College of Chemistry, Jilin University, Changchun, 130012, China.
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Pu S, Zhou M, Tang T, Cheng H, Yan X, Hu G. Boron-cluster-based porous BCN material modified electrode for electrochemical determination of morphine in serum. Mikrochim Acta 2023; 190:307. [PMID: 37466749 DOI: 10.1007/s00604-023-05881-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/25/2023] [Indexed: 07/20/2023]
Abstract
Porous highly boron-doped BCN (p-BCN) was produced by using a boron cluster salt (closo-[B12H12]2-) as the boron-based precursor and SiO2 as a hard template. The synthesized p-BCN was used in an electrochemical sensor for the ultrasensitive and highly selective detection of morphine (MOP). The optimal conditions for MOP detection were determined by optimizing the experimental conditions. Under these optimal conditions, the p-BCN-based sensor exhibited excellent MOP detection performance (working potential of 0.2 V). Specifically, it showed a detection range of 0.05 to 200 μM and a detection limit of 17.8 nM. Notably, the p-BCN-based electrochemical sensor was successfully applied to the determination of MOP in human blood, and the results showed satisfactory recovery and accuracy. Therefore, this sensor can be used as an effective platform for the detection of MOP in human blood samples.
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Affiliation(s)
- Shunhua Pu
- The Affiliated Hospital of Yunnan University, School of Ecology and Environmental Science, Yunnan University, Kunming, 650032, China
| | - Menglin Zhou
- The Affiliated Hospital of Yunnan University, School of Ecology and Environmental Science, Yunnan University, Kunming, 650032, China
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, China
| | - Tingfan Tang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, China
| | - Xiao Yan
- Shenzhen Institute of Information Technology, Shenzhen, 518172, China
| | - Guangzhi Hu
- The Affiliated Hospital of Yunnan University, School of Ecology and Environmental Science, Yunnan University, Kunming, 650032, China.
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Vu Ho XA, Dao MU, Le TH, Chuong Nguyen TH, Nguyen Dinh MT, Nguyen QM, Tran TM, Huyen Nguyen TT, Ho TT, Nguyen HP, Nguyen CC. Development of Electro-Reduced AgNPs/MnO 2/rGO Composite toward a Robust Sensor for the Simultaneous Determination of Piroxicam and Ofloxacin. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Affiliation(s)
- Xuan Anh Vu Ho
- Hue University of Sciences, Hue University, Thua Thien Hue, Hue 530000, Vietnam
| | - My Uyen Dao
- Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Danang 550000, Vietnam
| | - Trung Hieu Le
- Hue University of Sciences, Hue University, Thua Thien Hue, Hue 530000, Vietnam
| | - Thi Hong Chuong Nguyen
- Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Danang 550000, Vietnam
| | - Minh Tuan Nguyen Dinh
- The University of Da Nang, University of Science and Technology, 54, Nguyen Luong Bang, Danang City 550000, Viet Nam
| | - Quang Man Nguyen
- University of Medicine and Pharmacy, Hue University, Hue City 530000, Vietnam
| | - Thanh Minh Tran
- Hue University of Sciences, Hue University, Thua Thien Hue, Hue 530000, Vietnam
| | - Thi Thanh Huyen Nguyen
- Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Danang 550000, Vietnam
| | - Thanh-Tam Ho
- Faculty of Natural Sciences, Duy Tan University, Danang 550000, Vietnam
- Institute for Global Health Innovations, Duy Tan University, Danang 550000, Vietnam
| | - Hai Phong Nguyen
- Hue University of Sciences, Hue University, Thua Thien Hue, Hue 530000, Vietnam
| | - Chinh Chien Nguyen
- Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Danang 550000, Vietnam
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Huang R, Lv J, Chen J, Zhu Y, Zhu J, Wågberg T, Hu G. Three-dimensional porous high boron-nitrogen-doped carbon for the ultrasensitive electrochemical detection of trace heavy metals in food samples. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:130020. [PMID: 36155296 DOI: 10.1016/j.jhazmat.2022.130020] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 08/28/2022] [Accepted: 09/16/2022] [Indexed: 05/29/2023]
Abstract
Exposure to even trace amounts of Cd(II) and Pb(II) in food can have serious effects on the human body. Therefore, the development of novel electrochemical sensors that can accurately detect the different toxicity levels of heavy metal ions in food is of great significance. Based on the principle of green chemistry, we propose a new type of boron and nitrogen co-doped carbon (BCN) material derived from a metal-organic framework material and study its synthesis, characterization, and heavy-metal ion detection ability. Under the optimum conditions, the BCN-modified glassy carbon electrode was studied using square-wave anodic stripping voltammetry, which showed good electrochemical responses to Cd(II) and Pb(II), with sensitivities as low as 0.459 and 0.509 μA/μM cm2, respectively. The sensor was successfully used to detect Cd(II) and Pb(II) in Beta vulgaris var. cicla L samples, which is consistent with the results obtained using inductively coupled plasma-mass spectrometry. It also has a strong selectivity for complex samples. This study provides a novel approach for the detection of heavy metal ions in food and greatly expands the application of heteroatom-doped metal-free carbon materials in detection platforms.
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Affiliation(s)
- Ruihua Huang
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China; Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, China
| | - Jiapei Lv
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jianbing Chen
- Research Academy of Non-metallic Mining Industry Development, Materials and Environmental Engineering College, Chizhou University, Chizhou 247000, China
| | - Yeling Zhu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Jian Zhu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.
| | - Thomas Wågberg
- Department of Physics, Umeå University, Umeå 901 87, Sweden
| | - Guangzhi Hu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, China; Department of Physics, Umeå University, Umeå 901 87, Sweden.
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Carboxymethyl-Cellulose-Containing Ag Nanoparticles as an Electrochemical Working Electrode for Fast Hydroxymethyl-Furfural Sensing in Date Molasses. Polymers (Basel) 2022; 15:polym15010079. [PMID: 36616432 PMCID: PMC9824777 DOI: 10.3390/polym15010079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Novel biosensors based on carboxymethyl cellulose extract from date palm fronds containing Ag nanoparticles as an electrochemical working electrode for fast hydroxymethylfurfural (HMF) sensing in date molasses were prepared. The morphological, structural, and crystallinity characteristics of the prepared Ag@CMC were described via SEM, DLS, TEM, and XRD. In addition, Raman spectroscopy and UV-VIS spectroscopy were performed, and thermal stability was studied. The investigated techniques indicated the successful incorporation of AgNPs into the CMC polymer. The sensing behavior of the prepared AgNPs@CMC electrode was studied in terms of cyclic voltammetry and linear scan voltammetry at different HMF concentrations. The results indicated high performance of the designed AgNPs@CMC, which was confirmed by the linear behavior of the relationship between the cathodic current and HMF content. Besides, real commercial samples were investigated using the novel AgNPs@CMC electrode.
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Fang Y, Chang H, Li J, Li Z, Zhang D. Recent Advances in Metal Nanocomposite-Based Electrochemical (Bio)Sensors for Pharmaceutical Analysis. Crit Rev Anal Chem 2022:1-27. [PMID: 36201181 DOI: 10.1080/10408347.2022.2128633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
Abstract
Rising rates of drug abuse and pharmaceutical pollution throughout the world as a consequence of increased drug production and utilization pose a serious risk to public health and to environmental integrity. It is thus critical that reliable analytical approaches to detecting drugs and their metabolites in a range of sample matrices be developed. Recent advances in the design of nanomaterial-based electrochemical sensors and biosensors have enabled promising new approaches to pharmaceutical analysis. In particular, the development of a range of novel metal nanocomposites with enhanced catalytic properties has provided a wealth of opportunities for the design of rapid and reliable platforms for the detection of specific pharmaceutical compounds. The present review provides a comprehensive overview of representative metal nanocomposites with synergistic properties and their recent (2017-2022) application in the context of electrochemical sensing as a means of detecting specific antibiotic, tuberculostatic, analgesic, antineoplastic, antipsychotic, and antihypertensive drugs. In discussing these applications, we further explore a variety of testing-related principles, fabrication approaches, characterization techniques, and parameters associated with the sensitivity and selectivity of these sensor platforms before surveying the future outlook regarding the fabrication of next-generation (bio)sensor platforms for use in pharmaceutical analysis.
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Affiliation(s)
- Yuxin Fang
- Research Center of Experimental Acupuncture Science, College of Acumox and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Hongen Chang
- Research Center of Experimental Acupuncture Science, College of Acumox and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
| | - Jingrong Li
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, PR China
| | - Zheng Li
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, PR China
| | - Di Zhang
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, PR China
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