1
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Su Q, Li J, Fu M, Xing F, Sun L. Sensitive detection of choline and nicotine in real samples by switching upconversion luminescence. Mikrochim Acta 2024; 191:399. [PMID: 38877162 DOI: 10.1007/s00604-024-06483-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Accepted: 06/03/2024] [Indexed: 06/16/2024]
Abstract
Nicotine (3-(1-methyl-2-pyrrolidinyl)pyridine) is one of the most common addictive substances, causing the trace detection of nicotine to be very necessary. Herein, we designed and prepared a functionalized nanocomposite CS-PAA (NaYF4:19.5%Yb,0.5%Tm@NaYF4-PAA) using a simple method. The nicotine concentration was quantitatively detected through the inhibition of choline oxidase activity by nicotine and the luminescence intensity of CS-PAA being quenched by Fe3+. The mechanism of Fe3+ quenching CS-PAA emission was inferred by luminescence lifetime and UV-vis absorption spectra characterization. During the nicotine detection, both excitation (980 nm) and emission (802 nm) wavelengths of CS-PAA enable the avoidance of the interference of background fluorescence in complicated food objects, thus providing high selectivity and sensitivity with a linear range of 5-750 ng/mL and a limit of detection of 9.3 nM. The method exhibits an excellent recovery and relative standard deviation, indicating high accuracy and repeatability of the detection of nicotine.
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Affiliation(s)
- Qichen Su
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Jiwei Li
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Mengyao Fu
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Feifei Xing
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China.
| | - Lining Sun
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China.
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2
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Li X, Fang Y, Li H, Feng S. Heterojunction of branched benzopyrazine-based polymers coating on graphene for electrochemical sensing of vanillin. Talanta 2024; 277:126420. [PMID: 38876036 DOI: 10.1016/j.talanta.2024.126420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 06/16/2024]
Abstract
Vanillin finds widespread applications in various industries, such as food, pharmaceuticals, and cosmetics. However, excessive intake of vanillin could pose risks to human health. This study detailed the successful creation of a heterojunction of branched benzopyrazine-based polymers coating on graphene (CMP-rGO) through the Sonogashira-Hagihara coupling reaction. Utilizing the CMP-rGO, a novel electrochemical sensor for vanillin detection was developed. Besides, the synthesized materials were validated using standard characterization techniques. Both cyclic voltammetry and differential pulse voltammetry techniques were employed to investigate vanillin's electrochemical characteristics on this sensor. The findings indicated a significant enhancement in vanillin's electrochemical signal responsiveness with the application of CMP-rGO. Under optimal conditions, the sensor demonstrated a linear response to vanillin concentrations ranging from 0.08 to 33 μM and achieved a detection limit as low as 0.014 μM. Also, the constructed electrochemical sensor exhibited excellent selectivity, stability, and reproducibility. It has been effectively employed to detect vanillin in real samples such as human serum, human urine, and vanillin tablets, with a recovery rate of 99.13-103.6 % and an RSD of 3.46-1.26 %. Overall, this innovative sensor offers a novel approach to the efficient and convenient detection of vanillin.
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Affiliation(s)
- Xiaokun Li
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Yuelan Fang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Huan Li
- The First Clinical Institue, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Suxiang Feng
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
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3
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Rathinam M, Vijayan P, Balasubramanian S, Ponnusamy S, SaravanaVadivu A, Abbas M, Balakrishnan BB. Nicotine sensing behavior of nickel(II) complexes catalyzed oxidation and coupling reactions. Heliyon 2024; 10:e27102. [PMID: 38510026 PMCID: PMC10950501 DOI: 10.1016/j.heliyon.2024.e27102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 02/22/2024] [Accepted: 02/23/2024] [Indexed: 03/22/2024] Open
Abstract
One of the main source of demise during the next ten years will be coronary heart disease and stroke, which are brought on by smoking (nicotine). To identify the percentage (%) of nicotine consumption by electrocatalytic sensor towards nicotine for target-specific prevent stroke, four uninuclear Ni2+ complexes of substituted butanimidamide Schiff base ligands [H2L1-4] was prepared. All the complexes were thoroughly analyzed by using several spectroscopic techniques such as CHNS analysis, FT-IR, NMR (1H & 13C) UV-Vis and NMR. The analyses showed tetradentate binding mode of ligand around nickel(II) metal ion leads to the structure of square planar with N2X2 (X = O, S) donor fashion. In addition, the well-defined nickel(II) complexes were utilized for oxidation of various alcohols such as cyclohexanol, and benzyl alcohol were produced to the assorted oxidized products with high yield respectively using greener co-oxidant (molecular oxygen). In addition, Nickel(II) complexes was further utilized as catalyst for aryl-aryl coupling reaction via Suzuki-Mayura method to obtain biphenyl compound. Furthermore, nickel(II) complexes were exploited for electrochemical detection of nicotine sensing in μM concentration.
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Affiliation(s)
- Madaselvi Rathinam
- Research and Development Centre, Bharathiar University, Coimbatore, 641046, India
- Department of Chemistry, Arulmigu Kalasalingam College of Education, Virudunagar, 626 126, India
| | - Paranthaman Vijayan
- Research and Development Centre, Bharathiar University, Coimbatore, 641046, India
| | | | - Sasikumar Ponnusamy
- Department of Physics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India
| | - Arunachalam SaravanaVadivu
- Research and Development Centre, Bharathiar University, Coimbatore, 641046, India
- Department of Electrochemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India
| | - Mohamed Abbas
- Electrical Engineering Department, College of Engineering, King Khalid University, Abha, 61421, Saudi Arabia
| | - Brindha Banu Balakrishnan
- Department of Biochemistry and Bioinformatics, Dr. MGR Janaki College of Arts and Science for Women, Chennai, 600028, India
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Yang C, Yan B. Dual-Function Platform Based on Postsynthetic Functionalization of a Water-Stable Hydrogen-Bonded Organic Framework: Ratiometric Sensing of Nicotine and Cotinine and Dynamic Anticounterfeiting for Information Encryption. Inorg Chem 2023; 62:20458-20466. [PMID: 38032229 DOI: 10.1021/acs.inorgchem.3c03478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Nicotine and its major metabolite cotinine are widely used as markers of tobacco smoke abstinence as well as indicators of active smoking levels and the assessment of passive inhalation of tobacco smoke in nonsmokers. Therefore, using an easy-to-prepare sensing platform that can provide a rapid, highly sensitive response for the simultaneous detection of salivary nicotine levels and urinary cotinine levels is especially crucial for helping heavy cigarette smokers quit smoking and protecting public health. Hydrogen-bonded organic frameworks, as a novel class of porous crystalline materials, show immense potential for functional modification and optical sensing. Herein, a new HOF was prepared by a simple solvent evaporation method, and a dual-emitting material Eu(bpy)@HOF-215(1) was obtained by the postsynthetic modification of HOF by lanthanide luminescent complexes, which maintains favorable structural stability and introduces the characteristic emitting of Eu, allowing use as a ratiometric fluorescent sensor for salivary nicotine and urinary cotinine, with a limit of detection of nicotine of 0.045 μM in saliva and a limit of detection of cotinine of 0.591 μM in urine. Furthermore, luminescent inks based on HOF-215 have been fabricated based on the photoresponse variations of 1 to NIC and COT, which enables the multilevel encryption and decryption of information, in a dynamic and recyclable process. This work not only synthesizes a novel blue HOF but also provides a representative successful case of a dual-function platform for simultaneous application to ratiometric sensing and dynamic anticounterfeiting.
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Affiliation(s)
- Chunyu Yang
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Bing Yan
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China
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Chen W, Zhang WJ, Wang K, Chang L, Yan RQ, Xiong X, Huang GB, Han DM. Oxygen Vacancy-Mediated CuWO 4/CuBi 2O 4 Samples with Efficient Charge Transfer for Enhanced Catalytic Activity toward Photodegradation of Pharmacologically Active Compounds. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023. [PMID: 38018894 DOI: 10.1021/acs.langmuir.3c02408] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Photocatalytic degradation is a promising method for controlling the increasing contamination of the water environment due to pharmacologically active compounds (PHACs). Herein, oxygen vacancy (OV)-modulated Z-scheme CuWO4/CuBi2O4 hybrid systems were fabricated via thermal treatment by loading of CuWO4 nanoparticles with OVs on CuBi2O4 surfaces. The synthesized CuWO4/CuBi2O4 hybrid samples exhibited an enhanced photodegradation ability to remove PHACs under visible-light irradiation. More importantly, an optimized sample (10 wt % CuWO4/CuBi2O4) exhibited superior catalytic activity and excellent recycling stability for PHAC photodegradation. In addition, possible degradation paths for PHAC removal over the CuWO4/CuBi2O4 hybrid systems were proposed. The enhanced photocatalytic performance could be attributed to the efficient separation and transfer of photoformed charge pairs via the Z-scheme mechanism. This Z-scheme mechanism was systematically analyzed using trapping experiments of active species, ultraviolet photoelectron spectroscopy, electron spin resonance, and the photodepositions of noble metals. The findings of this study can pave the way for developing highly efficient Z-scheme photocatalytic systems for PHAC photodegradation.
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Affiliation(s)
- Wei Chen
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Wen-Jie Zhang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Kai Wang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Ling Chang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Rui-Qiang Yan
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Xianqiang Xiong
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Guo-Bo Huang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - De-Man Han
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
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Kamalasekaran K, Magesh V, Atchudan R, Arya S, Sundramoorthy AK. Development of Electrochemical Sensor Using Iron (III) Phthalocyanine/Gold Nanoparticle/Graphene Hybrid Film for Highly Selective Determination of Nicotine in Human Salivary Samples. BIOSENSORS 2023; 13:839. [PMID: 37754073 PMCID: PMC10527255 DOI: 10.3390/bios13090839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/08/2023] [Accepted: 08/14/2023] [Indexed: 09/28/2023]
Abstract
Nicotine is the one of the major addictive substances; the overdose of nicotine (NIC) consumption causes increasing heart rate, blood pressure, stroke, lung cancer, and respiratory illnesses. In this study, we have developed a precise and sensitive electrochemical sensor for nicotine detection in saliva samples. It was built on a glassy carbon electrode (GCE) modified with graphene (Gr), iron (III) phthalocyanine-4,4',4″,4'''-tetrasulfonic acid (Fe(III)Pc), and gold nanoparticles (AuNPs/Fe(III)Pc/Gr/GCE). The AuNPs/Fe(III)Pc/Gr nanocomposite was prepared and characterized by using FE-SEM, EDX, and E-mapping techniques to confirm the composite formation as well as the even distribution of elements. Furthermore, the newly prepared AuNPs/Fe(III)Pc/Gr/GCE-nanocomposite-based sensor was used to detect the nicotine in phosphate-buffered solution (0.1 M PBS, pH 7.4). The AuNPs/Fe(III)Pc/Gr/GCE-based sensor offered a linear response against NIC from 0.5 to 27 µM with a limit of detection (LOD) of 17 nM using the amperometry (i-t curve) technique. This electrochemical sensor demonstrated astounding selectivity and sensitivity during NIC detection in the presence of common interfering molecules in 0.1 M PBS. Moreover, the effect of pH on NIC electro-oxidation was studied, which indicated that PBS with pH 7.4 was the best medium for NIC determination. Finally, the AuNPs/Fe(III)Pc/Gr/GCE sensor was used to accurately determine NIC concentration in human saliva samples, and the recovery percentages were also calculated.
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Affiliation(s)
- Kavitha Kamalasekaran
- Department of Chemistry, Velammal Engineering College, Chennai 600066, Tamil Nadu, India;
| | - Vasanth Magesh
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College and Hospitals, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India;
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea;
| | - Sandeep Arya
- Department of Physics, University of Jammu, Jammu 180006, Jammu and Kashmir, India;
| | - Ashok K. Sundramoorthy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College and Hospitals, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India;
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Meenakshi GA, Sakthinathan S, Chiu TW. Fabrication of Carbon Nanofiber Incorporated with CuWO 4 for Sensitive Electrochemical Detection of 4-Nitrotoluene in Water Samples. SENSORS (BASEL, SWITZERLAND) 2023; 23:5668. [PMID: 37420832 DOI: 10.3390/s23125668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/05/2023] [Accepted: 06/08/2023] [Indexed: 07/09/2023]
Abstract
In the current work, copper tungsten oxide (CuWO4) nanoparticles are incorporated with carbon nanofiber (CNF) to form CNF/CuWO4 nanocomposite through a facile hydrothermal method. The prepared CNF/CuWO4 composite was applied to the electrochemical detection of hazardous organic pollutants of 4-nitrotoluene (4-NT). The well-defined CNF/CuWO4 nanocomposite is used as a modifier of glassy carbon electrode (GCE) to form CuWO4/CNF/GCE electrode for the detection of 4-NT. The physicochemical properties of CNF, CuWO4, and CNF/CuWO4 nanocomposite were examined by various characterization techniques, such as X-ray diffraction studies, field emission scanning electron microscopy, EDX-energy dispersive X-ray microanalysis, and high-resolution transmission electron microscopy. The electrochemical detection of 4-NT was evaluated using cyclic voltammetry (CV) the differential pulse voltammetry detection technique (DPV). The aforementioned CNF, CuWO4, and CNF/CuWO4 materials have better crystallinity with porous nature. The prepared CNF/CuWO4 nanocomposite has better electrocatalytic ability compared to other materials such as CNF, and CuWO4. The CuWO4/CNF/GCE electrode exhibited remarkable sensitivity of 7.258 μA μM-1 cm-2, a low limit of detection of 86.16 nM, and a long linear range of 0.2-100 μM. The CuWO4/CNF/GCE electrode exhibited distinguished selectivity, acceptable stability of about 90%, and well reproducibility. Meanwhile, the GCE/CNF/CuWO4 electrode has been applied to real sample analysis with better recovery results of 91.51 to 97.10%.
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Affiliation(s)
- Ganesh Abinaya Meenakshi
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan
- Institute of Materials Science and Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan
| | - Subramanian Sakthinathan
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan
- Institute of Materials Science and Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan
| | - Te-Wei Chiu
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan
- Institute of Materials Science and Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan
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Shao T, Song X, Li P, Sun S, Wang D, Wei W. Ru(II)-modified metal organic framework as excellent electrochemiluminescence emitter for ultrasensitive nicotine detection. Talanta 2023; 259:124539. [PMID: 37084603 DOI: 10.1016/j.talanta.2023.124539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/30/2023] [Accepted: 04/08/2023] [Indexed: 04/23/2023]
Abstract
The sensitive and selective nicotine detection in cigarette is necessary due to the cigarette addiction problem and the neurotoxicity of nicotine on human body. In this study, a novel electrochemiluminescence (ECL) emitter with excellent performance was prepared for nicotine analysis, by combining Zr-based metal organic framework (Zr-MOF) and branched polyethylenimine (BPEI)-coated Ru(dcbpy)32+ through electrostatic interaction. Ru(dcbpy)32+ integrated by Zr-MOF could be catalyzed by the reaction intermediates SO4•-, produced from the co-reactant S2O82-, resulting in a significant increase in ECL response. Interestingly, SO4•- with strong oxidizing ability could preferentially oxidize nicotine, leading to ECL quenching. The constructed ECL sensor based on the Ru-BPEI@Zr-MOF/S2O82- system displayed ultrasensitive determination of nicotine with a lower detection limit of 1.9 × 10-12 M (S/N = 3), which is three orders lower than previously reported ECL results and 4-5 orders lower than that of other types of method. This method puts forward a new approach for building efficient ECL system with greatly improved ECL sensitivity for nicotine detection.
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Affiliation(s)
- Tong Shao
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 210009, PR China
| | - Xiaolei Song
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 210009, PR China
| | - Peng Li
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, PR China
| | - Shihao Sun
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, PR China
| | - Dingzhong Wang
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, PR China
| | - Wei Wei
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 210009, PR China.
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Magesh V, Sundramoorthy AK, Ganapathy D, Atchudan R, Arya S, Alshgari RA, Aljuwayid AM. Palladium Hydroxide (Pearlman's Catalyst) Doped MXene (Ti 3C 2Tx) Composite Modified Electrode for Selective Detection of Nicotine in Human Sweat. BIOSENSORS 2022; 13:bios13010054. [PMID: 36671889 PMCID: PMC9856038 DOI: 10.3390/bios13010054] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/22/2022] [Accepted: 12/24/2022] [Indexed: 05/27/2023]
Abstract
High concentrations of nicotine (40 to 60 mg) are more dangerous for adults who weigh about 70 kg. Herein, we developed an electrochemical transducer using an MXene (Ti3C2Tx)/palladium hydroxide-supported carbon (Pearlman's catalyst) composite (MXene/Pd(OH)2/C) for the identification of nicotine levels in human sweat. Firstly, the MXene was doped with Pd(OH)2/C (PHC) by mechanical grinding followed by an ultrasonication process to obtain the MXene/PHC composite. Secondly, XRD, Raman, FE-SEM, EDS and E-mapping analysis were utilized to confirm the successful formation of MXene/PHC composite. Using MXene/PHC composite dispersion, an MXene/PHC composite-modified glassy carbon electrode (MXene/PHC/GCE) was prepared, which showed high sensitivity as well as selectivity towards nicotine (300 µM NIC) oxidation in 0.1 M phosphate buffer (pH = 7.4) by cyclic voltammetry (CV) and amperometry. The MXene/PHC/GCE had reduced the over potential of nicotine oxidation (about 200 mV) and also enhanced the oxidation peak current (8.9 µA) compared to bare/GCE (2.1 µA) and MXene/GCE (5.5 µA). Moreover, the optimized experimental condition was used for the quantification of NIC from 0.25 µM to 37.5 µM. The limit of detection (LOD) and sensitivity were 27 nM and 0.286 µA µM-1 cm2, respectively. The MXene/PHC/GCE was also tested in the presence of Na+, Mg2+, Ca2+, hydrogen peroxide, acetic acid, ascorbic acid, dopamine and glucose. These molecules were not interfered during NIC analysis, which indicated the good selectivity of the MXene/PHC/GCE sensor. In addition, electrochemical determination of NIC was successfully carried out in the human sweat samples collected from a tobacco smoker. The recovery percentage of NIC in the sweat sample was 97%. Finally, we concluded that the MXene/PHC composite-based sensor can be prepared for the accurate determination of NIC with high sensitivity, selectivity and stability in human sweat samples.
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Affiliation(s)
- Vasanth Magesh
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Ashok K. Sundramoorthy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Dhanraj Ganapathy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Sandeep Arya
- Department of Physics, University of Jammu, Jammu 180006, Jammu and Kashmir, India
| | - Razan A. Alshgari
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ahmed Muteb Aljuwayid
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Karuppasamy P, Senthilkumar S, Ganeshbabu O, Pitchaimuthu S, Sennappan M, Rajapandian V. Sonochemical Synthesis and Characterization of Visible Light Driven CuO@g-C3N4 Nano-Photocatalyst for Eriochrome Black T Dye Degradation in Industrial Dye Effluent. RUSS J INORG CHEM+ 2022. [DOI: 10.1134/s0036023622100631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Rajendran J, Sundramoorthy AK, Ganapathy D, Atchudan R, Habila MA, Nallaswamy D. 2D MXene/graphene nanocomposite preparation and its electrochemical performance towards the identification of nicotine level in human saliva. JOURNAL OF HAZARDOUS MATERIALS 2022; 440:129705. [PMID: 35963090 DOI: 10.1016/j.jhazmat.2022.129705] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/27/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
The quantitative analysis of neurological drugs is critical since the kinetics of body fluids is strongly dependent on the dosage of the drug levels. Thus, the study of neurological medicines is significant because of the major diseases connected to it, for instance, Alzheimer's and Parkinson's diseases. Herein, a 2D hybrid MXene/graphene (MX/Gr) film was synthesized through a top-down approach and utilized to prepare an electrochemical transducer for the electrochemical sensing of nicotine. The X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS) confirmed the successful incorporation of MX with Gr sheets. The high-resolution scanning electron microscopy (HR-SEM) and transmission electron microscopy (TEM) have been used to confirm the formation of MX, graphene sheets and the MX/Gr hybrid film. Furthermore, the MX/Gr hybrid film composite modified glassy carbon electrode (GCE) was prepared to selectively detect the nicotine in phosphate buffer medium (0.1 M PBS, pH~7.4). Under the optimized condition, the MX/Gr/GCE based sensor provided a linear response against nicotine from 1 to 55 µM and 30 nM - 600 nM with the lowest limit of detections (LOD) of 290 nM and 0.28 nM by differential pulse voltammetry (DPV) and amperometry, respectively. This newly developed MX/Gr hybrid film modified electrode displayed a remarkable selectivity, sensitivity, and reproducibility for accurate detection of nicotine. Finally, this new sensor was applied to detect nicotine in human/artificial saliva samples with high accuracy.
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Affiliation(s)
- Jerome Rajendran
- Department of Electrical Engineering & Computer Science, 4418 Engineering Hall, The University of California, Irvine, USA; Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Ashok K Sundramoorthy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical And Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India.
| | - Dhanraj Ganapathy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical And Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Mohamed A Habila
- Department of Chemistry, College of Science, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Deepak Nallaswamy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical And Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
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12
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Sebokolodi TI, Sipuka DS, Muzenda C, Nkwachukwu OV, Nkosi D, Arotiba OA. Electrochemical detection of nicotine at a carbon Nanofiber-Poly(amidoamine) dendrimer modified glassy carbon electrode. CHEMOSPHERE 2022; 303:134961. [PMID: 35577133 DOI: 10.1016/j.chemosphere.2022.134961] [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: 02/28/2022] [Revised: 04/25/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
Development of electrochemical sensors for important drugs such nicotine (an addictive drug) is important for the society. This study reports the electrochemical detection of nicotine at a carbon nanofiber/poly (amidoamine) dendrimer modified glassy carbon electrode. The carbon nanofiber (CNF) modified GCE was prepared by drop-coating followed by the electrodeposition of generation 4 poly (amidoamine) succinamic acid dendrimer (PAMAM) to form the sensor - CNF-PAMAM GCE. Characterization of prepared materials and modified electrodes was carried out using Fourier transmission infrared spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, cyclic voltammetry, electrochemical impedance spectroscopy (EIS) and differential pulse voltammetry (DPV). The CNF-PAMAM composite was confirmed by microscopy. A marked reduction in charge transfer resistance and increase in current of the CNF-PAMAM GCE in comparison to the bare electrode showed a synergic improvement electrochemical response because of the CNF-PAMAM nanocomposite. The CNF-PAMAM demonstrated an enhanced performance in the oxidation of nicotine in comparison to the bare GCE by shifting the anodic potential Epa of nicotine from 0.9 V to 0.8 V. The electrochemical sensor achieved a detection limit (LOD) of 0.02637 μM in the concentration range of 0.4815-15.41 μM of nicotine in 0.1 M PBS at pH 7.5. The sensor ability to determine nicotine in real samples was assessed in cigarettes obtaining recovery percentages of 88.00 and 97.42%. The sensor demonstrated selectivity toward nicotine in the presence of interferences. Finally, the method was validated by ultraviolet-visible spectroscopy analysis.
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Affiliation(s)
- Tsholofelo I Sebokolodi
- Department of Chemical Sciences, University of Johannesburg, Doornfontein, 2028, South Africa
| | - Dimpo S Sipuka
- Department of Chemical Sciences, University of Johannesburg, Doornfontein, 2028, South Africa
| | - Charles Muzenda
- Department of Chemical Sciences, University of Johannesburg, Doornfontein, 2028, South Africa
| | - Oluchi V Nkwachukwu
- Department of Chemical Sciences, University of Johannesburg, Doornfontein, 2028, South Africa
| | - Duduzile Nkosi
- Department of Chemical Sciences, University of Johannesburg, Doornfontein, 2028, South Africa
| | - Omotayo A Arotiba
- Department of Chemical Sciences, University of Johannesburg, Doornfontein, 2028, South Africa; Centre for Nanomaterials Science Research, University of Johannesburg, South Africa.
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13
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Chondath SK, Sreekala APK, Farzeena C, Varanakkottu SN, Menamparambath MM. Interfacial tension driven adsorption of MnO 2 nanoparticles at the liquid/liquid interface to tailor ultra-thin polypyrrole sheets. NANOSCALE 2022; 14:11197-11209. [PMID: 35900017 DOI: 10.1039/d2nr02130g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
An emerging aspect of research is designing and developing fully tunable metamaterials for various applications with fluid interfaces. Liquid/liquid interface-assisted methods represent an efficient and facile route for synthesizing two-dimensional (2-D) thin films of potential materials. The underlying mechanism behind thin film formation at the liquid/liquid interface involves the preferential adsorption of nano-sized particles at the interface to minimize high interfacial tension. Here, a water/chloroform interface-assisted method is employed for the one-pot synthesis of highly crystalline polypyrrole/manganese dioxide (PPy/MnO2) sheets. The temporal evolution in the dynamic interfacial tension (from 32 mN m-1 to 17 mN m-1) observed in pendant drop tensiometry proved the preferential adsorption of MnO2 atttached PPy oligomers at the water/chloroform interface. An ultra-thin sheet-like morphology and uniform distribution of ∼6 nm highly crystalline MnO2 nanoparticles are evidenced by transmission and atomic force microscopy techniques. The predominance of interfacial polymerization in retaining the electrochemical activity of the PPy/MnO2 sheets is elucidated for the electrochemical detection of nicotine. This study opens a new avenue for the realization of ultra-thin sheets of polymer-nanomaterial hybrids, enabling applications ranging from new classes of sensors to optics.
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Affiliation(s)
- Subin Kaladi Chondath
- Department of Chemistry, National Institute of Technology Calicut, Calicut-673601, Kerala, India.
| | | | - Chalikkara Farzeena
- School of Materials Science and Engineering, National Institute of Technology Calicut, Calicut-673601, Kerala, India
| | | | - Mini Mol Menamparambath
- Department of Chemistry, National Institute of Technology Calicut, Calicut-673601, Kerala, India.
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14
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An ultrasensitive electrochemical immunosensor based on in-situ growth of CuWO4 nanoparticles on MoS2 and chitosan-gold nanoparticles for cortisol detection. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107434] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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15
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Abd-Elsabour M, Alsoghier HM, Alhamzani AG, Abou-Krisha MM, Yousef TA, Assaf HF. A Novel Electrochemical Sensor for Detection of Nicotine in Tobacco Products Based on Graphene Oxide Nanosheets Conjugated with (1,2-Naphthoquinone-4-Sulphonic Acid) Modified Glassy Carbon Electrode. NANOMATERIALS 2022; 12:nano12142354. [PMID: 35889578 PMCID: PMC9323772 DOI: 10.3390/nano12142354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/18/2022] [Accepted: 07/06/2022] [Indexed: 02/04/2023]
Abstract
A simple electrochemical sensor for nicotine (NIC) detection was performed. The sensor based on a glassy carbon electrode (GCE) was modified by (1,2-naphthoquinone-4-sulphonic acid)(Nq) decorated by graphene oxide (GO) nanocomposite. The synthesized (GO) nanosheets were characterized using X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscope (SEM), transmission electron microscope (TEM), FT-IR, and UV-Visible Spectroscopy. The insertion of Nq with GO nanosheets on the surface of GCE displayed high electrocatalytic activity towards NIC compared to the bare GCE. NIC determination was performed under the optimum conditions using 0.10 M of Na2SO4 as a supporting electrolyte with pH 8.0 at a scan rate of 100 mV/s using both cyclic voltammetry (CV) and differential pulse voltammetry (DPV). This electrochemical sensor showed an excellent result for NIC detection. The oxidation peak current increased linearly with a 6.5–245 µM of NIC with R2 = 0.9999. The limit of detection was 12.7 nM. The fabricated electrode provided satisfactory stability, reproducibility, and selectivity for NIC oxidation. The reliable GO/Nq/GCE sensor was successfully applied for detecting NIC in the tobacco product and a urine sample.
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Affiliation(s)
- M. Abd-Elsabour
- Chemistry Department, Faculty of Science, South Valley University, Qena 83523, Egypt; (M.A.-E.); (H.M.A.)
| | - Hesham M. Alsoghier
- Chemistry Department, Faculty of Science, South Valley University, Qena 83523, Egypt; (M.A.-E.); (H.M.A.)
| | - Abdulrahman G. Alhamzani
- Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (A.G.A.); (T.A.Y.)
| | - Mortaga M. Abou-Krisha
- Chemistry Department, Faculty of Science, South Valley University, Qena 83523, Egypt; (M.A.-E.); (H.M.A.)
- Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (A.G.A.); (T.A.Y.)
- Correspondence: (M.M.A.-K.); (H.F.A.)
| | - Tarek A. Yousef
- Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (A.G.A.); (T.A.Y.)
- Mansoura Laboratory, Department of Toxic and Narcotic Drug, Forensic Medicine, Medicolegal Organization, Ministry of Justice, Mansoura 35511, Egypt
| | - Hytham F. Assaf
- Chemistry Department, Faculty of Science, South Valley University, Qena 83523, Egypt; (M.A.-E.); (H.M.A.)
- Correspondence: (M.M.A.-K.); (H.F.A.)
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16
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Zaki M, Shafie E, Abdel-Gawad S, Fekry A, Saad R, shehata M. Mn/Cu nanoparticles modified carbon paste electrode as a novel electrochemical sensor for nicotine detection. ELECTROANAL 2022. [DOI: 10.1002/elan.202200143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Anupriya J, Rajakumaran R, Chen SM, Karthik R, Kumar JV, Shim JJ, Shafi PM, Lee JW. Raspberry-like CuWO 4 hollow spheres anchored on sulfur-doped g-C 3N 4 composite: An efficient electrocatalyst for selective electrochemical detection of antibiotic drug nitrofurazone. CHEMOSPHERE 2022; 296:133997. [PMID: 35167833 DOI: 10.1016/j.chemosphere.2022.133997] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 01/07/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
We report a highly selective and sensitive electrochemical sensor for the determination of nitrofurazone (NZ) based on sulfur-doped graphitic carbon nitride with copper tungstate hollow spheres (Sg-C3N4/CuWO4). Here, a Sg-C3N4/CuWO4 composite was synthesized by a facile ultrasonic method. The physicochemical properties of the composite were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), energy dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS). Then, the surface morphology of the composite material was investigated by field emission scanning electron microscopy (FE-SEM) and high-resolution transmission electron microscopy (HR-TEM). Moreover, the electrochemical activity of the as-synthesized composite material was initially tested using electrochemical impedance spectroscopy (EIS). The electroanalytical techniques namely cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were carried out for the electrochemical studies. The proposed sensor exhibits lower LOD and good sensitivity of about 3 nM and 1.24 μAμM-1 cm-2 to NZ detection. In addition, the Sg-C3N4/CuWO4 modified electrode showed excellent repeatability, reproducibility, long-term storage stability and excellent selectivity. The developed sensor was successfully applied for the determination of NZ in human urine and serum samples and achieved good recovery results.
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Affiliation(s)
- Jeyaraman Anupriya
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1 Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, People's Republic of China
| | - Ramachandran Rajakumaran
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1 Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, People's Republic of China
| | - Shen Ming Chen
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1 Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, People's Republic of China.
| | - Raj Karthik
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
| | - Jeyaraj Vinoth Kumar
- Advanced Nano Surface Engineering Laboratory, Department of Mechanical Engineering, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju, 61452, Republic of Korea
| | - Jae-Jin Shim
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - P Muhammed Shafi
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Jeong-Won Lee
- Advanced Nano Surface Engineering Laboratory, Department of Mechanical Engineering, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju, 61452, Republic of Korea
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18
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An Efficient and Highly Sensitive Amperometric Quercetin Sensor Based on a Lotus Flower Like SeO2-Decorated rGO Nanocomposite Modified Glassy Carbon Electrode. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00707-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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Ahmed J, Alhokbany N, Ahamad T, Alshehri SM. Investigation of enhanced electro-catalytic HER/OER performances of copper tungsten oxide@reduced graphene oxide nanocomposites in alkaline and acidic media. NEW J CHEM 2022. [DOI: 10.1039/d1nj04617a] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this paper, we investigate the electro-catalytic hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) of synthesized copper tungsten oxide@reduced graphene oxide (CuWO4@rGO) nanocomposites.
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Affiliation(s)
- Jahangeer Ahmed
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Norah Alhokbany
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saad M. Alshehri
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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20
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Zhang Y, Li S, Liu H, Shi F, Li J, Hu X, Yang Z. Dual-strategy biosensing of glucose based on multifunctional CuWO 4 nanoparticles. Analyst 2022; 147:4049-4054. [DOI: 10.1039/d2an01003h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The multifunctional CuWO4 NPs were prepared and exhibit large specific surface area, good conductivity and excellent peroxidase-like activity, which was exploited for electrochemical and colorimetric dual-strategy biosensing of glucose.
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Affiliation(s)
- Yu Zhang
- School of Nursing, Yangzhou University, Yangzhou 225000, PR China
| | - Shuang Li
- School of Nursing, Yangzhou University, Yangzhou 225000, PR China
| | - Hongyuan Liu
- School of Nursing, Yangzhou University, Yangzhou 225000, PR China
| | - Feng Shi
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
| | - Juan Li
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
| | - Xiaoya Hu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
| | - Zhanjun Yang
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
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21
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S S, Nair AJS, Sandhya KY. Highly Stable Copper Nano Cluster on Nitrogen-Doped Graphene Quantum Dots for the Simultaneous Electrochemical Sensing of Dopamine, Serotonin, and Nicotine; a Possible Addiction Scrutinizing Strategy. J Mater Chem B 2022; 10:3974-3988. [DOI: 10.1039/d1tb02368c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly stable copper nanocluster CuNC@N-GQD which exhibited stability for more than one year was synthesized using nitrogen doped graphene quantum dots (N-GQDs) as reducing and capping agents and smaller...
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22
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Tian Y, Tang X, Fu Y, Shang S, Dong G, Li T, Huang X, Zhu D. Simultaneous extraction and surface enhanced Raman spectroscopy detection for the rapid and reliable identification of nicotine released from snus products. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5608-5616. [PMID: 34806734 DOI: 10.1039/d1ay01601f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Surface enhanced Raman spectroscopy (SERS) is a highly sensitive analytical detection technique that provides unique chemical and structural information on target molecules. Here, simultaneous extraction and SERS detection of nicotine for the rapid and reliable identification of nicotine released from snus products were performed based on a nano-Au assembly hierarchy structure in the capillary. Based on this strategy, the time evolution of the concentrations of nicotine released from the snus products was measured. Through comparison of the intensities of the spectral peaks of the symmetrical breathing of the pyridine moiety of nicotine molecules, with the prolongation of time, the concentration of nicotine released decreased significantly, which is helpful for establishing a method for the rapid evaluation of the processing and selection of excipients of snus products, and provides a new idea for further study of the production of snus pouches and related tobacco products. Moreover, based on data fitting, it can be calculated that the concentration of nicotine in the extraction presented an obvious quadratic relationship with time, and the release of most of the nicotine in the snus pouch, which is held through the gums and palate, was basically completed after ∼15 min. Such destruction-free simultaneous measurements of snus products are opening up new perspectives for further research about the impact of nicotinoids on smokers' health and cessation programs.
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Affiliation(s)
- Yongfeng Tian
- Yunnan Key Laboratory of Tobacco Chemistry, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, China.
| | - Xianghu Tang
- Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Yaning Fu
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China
| | - Shanzhai Shang
- Yunnan Key Laboratory of Tobacco Chemistry, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, China.
| | - Gaofeng Dong
- Yunnan Key Laboratory of Tobacco Chemistry, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, China.
| | - Tinghua Li
- Yunnan Key Laboratory of Tobacco Chemistry, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, China.
| | - Xingjiu Huang
- Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Donglai Zhu
- Yunnan Key Laboratory of Tobacco Chemistry, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, China.
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23
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Cao J, Zhai Y, Tang W, Guo X, Wen Y, Yang H. ZnO Tips Dotted with Au Nanoparticles-Advanced SERS Determination of Trace Nicotine. BIOSENSORS 2021; 11:465. [PMID: 34821681 PMCID: PMC8615426 DOI: 10.3390/bios11110465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 11/09/2021] [Accepted: 11/16/2021] [Indexed: 12/03/2022]
Abstract
Long-term exposure to nicotine causes a variety of human diseases, such as lung damage/adenocarcinoma, nausea and vomiting, headache, incontinence and heart failure. In this work, as a surface-enhanced Raman scattering (SERS) substrate, zinc oxide (ZnO) tips decorated with gold nanoparticles (AuNPs) are fabricated and designated as ZnO/Au. Taking advantage of the synergistic effect of a ZnO semiconductor with morphology of tips and AuNPs, the ZnO/Au-based SERS assay for nicotine demonstrates high sensitivity and the limit of detection 8.9 × 10-12 mol/L is reached, as well as the corresponding linear dynamic detection range of 10-10-10-6 mol/L. Additionally, the signal reproducibility offered by the SERS substrate could realize the reliable determination of trace nicotine in saliva.
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Affiliation(s)
| | | | - Wanxin Tang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China; (J.C.); (Y.Z.); (X.G.); (Y.W.)
| | | | | | - Haifeng Yang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China; (J.C.); (Y.Z.); (X.G.); (Y.W.)
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24
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Cui Y, Chen X, Cheng Y, Lu X, Meng J, Chen Z, Li M, Lin C, Wang Y, Yang J. CuWO 4 Nanodots for NIR-Induced Photodynamic and Chemodynamic Synergistic Therapy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:22150-22158. [PMID: 33957748 DOI: 10.1021/acsami.1c00970] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Dynamic therapy, such as photodynamic therapy (PDT) or chemodynamic therapy (CDT), is one of the most promising therapeutic strategies for tumors. Integrating the advantages of near-infrared-induced PDT and CDT can potentially improve the therapeutic performance. A single primitive nanostructure, CuWO4 nanodots, was developed. It could generate reactive oxygen species under 808 nm light irradiation and release copper ions into the acid tumor microenvironment, thereby boosting Fenton-like reactions. The PDT and CDT would occur when the nanodots were introduced into the tumor tissue and irradiated under 808 nm light. The results of combined PDT and CDT antitumor studies showed the effective inhibition of tumor tissue growth, thereby suggesting that the nanodots are candidate agents for synergistic antitumor applications.
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Affiliation(s)
- Yanyan Cui
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Xi Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yan Cheng
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Xinyi Lu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiajia Meng
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
| | - Ziwei Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengke Li
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
| | - Chengcheng Lin
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
| | - Yaling Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Jian Yang
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
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25
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Amr AEGE, Kamel AH, Almehizia AA, Sayed AYA, Elsayed EA, Abd-Rabboh HSM. Paper-Based Potentiometric Sensors for Nicotine Determination in Smokers' Sweat. ACS OMEGA 2021; 6:11340-11347. [PMID: 34056289 PMCID: PMC8153920 DOI: 10.1021/acsomega.1c00301] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 04/09/2021] [Indexed: 06/01/2023]
Abstract
Herein, we describe for the first time, the design and fabrication of a novel nicotine paper-based sensor, in which a miniaturized paper reference electrode is integrated for potentiometric measurements. The paper-based sensors were designed using printed wax barriers to define the electrochemical cell and the sample zones. The electrodes were based on the use of the ion association complexes of the nicotinium cation (Nic) with either tetraphenylborate (TPB) or 5-nitrobarbiturate (NB) counter anions as sensing materials for nicotine recognition. A poly (3,4 ethylenedioxythiophene)/poly-(styrene sulfonate) (PEDOT/PSS) conducting polymer was used as an ion-to-electron transducer. The performance characteristics of the proposed sensors were evaluated and it revealed a rapid and stable response with a Nernstian slope of 55.2 ± 0.3 and 51.2 ± 0.6 mV/decade over the linear range of 1.0 × 10-5 to 1.0 × 10-2 M and detection limits of 6.0 and 8.0 μM for [Nic/TPB] and [Nic/NB], respectively. The sensors revealed a constant response over the pH range 3.5-6.5. The designed sensors provided a portable, inexpensive, and disposable way of measuring trace levels of nicotine coming from different cigarettes and in the collected human sweat of heavy smokers. All results were compared favorably with those obtained by the standard gas chromatographic method.
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Affiliation(s)
- Abd El-Galil E. Amr
- Pharmaceutical
Chemistry Department, Drug Exploration and Development Chair (DEDC),
College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Applied
Organic Chemistry Department, National Research
Center, Dokki, Giza 12622, Egypt
| | - Ayman H. Kamel
- Department
of Chemistry, Faculty of Science, Ain Shams
University, Cairo 11566, Egypt
| | - Abdulrahman A. Almehizia
- Pharmaceutical
Chemistry Department, Drug Exploration and Development Chair (DEDC),
College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ahmed Y. A. Sayed
- Pharmaceutical
Chemistry Department, Drug Exploration and Development Chair (DEDC),
College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Elsayed A. Elsayed
- Zoology
Department, Faculty of Science, King Saud
University, Riyadh 11451, Saudi Arabia
- Chemistry
of Natural and Microbial Products Department, National Research Centre, Dokki, Cairo 12622, Egypt
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26
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Saleh Mohammadnia M, Marzi Khosrowshahi E, Naghian E, Homayoun Keihan A, Sohouli E, Plonska-Brzezinska ME, Ali-Sobhani-Nasab, Rahimi-Nasrabadi M, Ahmadi F. Application of carbon nanoonion-NiMoO4-MnWO4 nanocomposite for modification of glassy carbon electrode: Electrochemical determination of ascorbic acid. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105470] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Huang R, Gu X, Sun W, Chen L, Du Q, Guo X, Li J, Zhang M, Li C. In situ synthesis of Cu+ self-doped CuWO4/g-C3N4 heterogeneous Fenton-like catalysts: The key role of Cu+ in enhancing catalytic performance. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117174] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Mehmeti E, Kilic T, Laur C, Carrara S. Electrochemical determination of nicotine in smokers’ sweat. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105155] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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29
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Mirani A, Maleknia L, Amirabadi A. Glassy carbon electrode modified with hybrid nanofibers containing carbon nanotubes trapped in chitosan for the voltammetric sensing of nicotine at biological pH. NANOTECHNOLOGY 2020; 31:435504. [PMID: 32615549 DOI: 10.1088/1361-6528/aba20e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this paper, nicotine (NIC) was detected by cyclic voltammetry (CV) using a modified glassy carbon (GC) electrode. To do this, the surface of the GC electrode was modified by hybrid nanofiber obtained from the electrospinning method. Hybrid nanofibers were produced through the dispersion of carboxylated multi-walled carbon nanotube (MWCNT-COOH) as an inorganic component in the chitosan (CS) polymer matrix as an organic component. The nanofibers showed unique morphology and high surface area value. With the increase of functionalized carbon nanotube content in the nanofibers, the mean pore diameter and average nanofiber diameter increased. The electrochemical properties of nanofibers towards the sensing of NIC were investigated by the CV method. NIC was irreversibly reduced with the use of a CS/MWCNT-COOH electrode, a controlled process with two protons and two electrons. An oxidation signal at lower potential with higher current was obtained for NIC with the use of a polymer-modified electrode compared to a GC electrode. This was as a result of the electrocatalytic effect of the hybrid nanofibers due to the ability of carbon nanotubes to increase the rate of electron transfer. Under optimum conditions, the oxidation of NIC occurred at 0.82 eV with a pH of 7.4. The linear calibration curve was in the concentration range of 0.1-100 μM NIC (R 2 = 0.9987) with a detection limit of 30 nM. For 100 parallel 10 μM NIC diagnoses for five replicates, 97.2% with a standard deviation of 4.08 maintained their stability over the first cycle. This indicates that the CS/MWCNT-COOH electrode has excellent reproducibility and stability.
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Affiliation(s)
- Abolfazl Mirani
- Department of Biomedical Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran
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Jerome R, Sundramoorthy AK. Preparation of hexagonal boron nitride doped graphene film modified sensor for selective electrochemical detection of nicotine in tobacco sample. Anal Chim Acta 2020; 1132:110-120. [PMID: 32980101 DOI: 10.1016/j.aca.2020.07.060] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/22/2020] [Accepted: 07/24/2020] [Indexed: 02/07/2023]
Abstract
The selective detection of nicotine is necessary in biological and biomedical samples to screen the patients who has the neurodegenerative diseases due to tobacco addiction. For this purpose, we have synthesized a hybrid binary composite made of 2D hexagonal boron nitride nanosheets (BN) doped graphene film via a scalable top-down technique for the electrochemical detection of nicotine. Transmission electron microscopy (TEM) images showed that layered graphene sheets bounded with BN nanosheets. Moreover, Fourier-transform infrared (FT-IR), UV-visible (UV-vis), and X-ray photoelectron spectroscopies (XPS) confirmed successful integration of BN within graphene. In addition, the electrical conductivity of the nanocomposite was tested using electrochemical impedance spectroscopy (EIS), which showed high electrical conductivity of BN/graphene coated electrode with low charge transfer resistance. To develop a selective nicotine sensor, glassy carbon electrode (GCE) surface was coated with BN/graphene hybrid film and tested its electro-catalytic activity against nicotine. It was found that BN/graphene/GCE based sensor exhibited excellent electro-catalytic activity for nicotine oxidation at lower potential of +0.97 V in phosphate buffer solution (PBS, pH 7.0) and the linear response was observed from 1 to 1000 μM. The limit of detection (LOD) was estimated as 0.42 μM. The common interferent compounds such as uric acid (UA), paracetamol (PA), glucose (Glu), melamine (Mel), cysteine (Cys) and dopamine (DA) did not interfere on the sensor selectivity. Furthermore, BN/graphene/GCE exhibited high stability and reproducibility. Finally, BN/graphene/GCE-based sensor was successfully applied to detect nicotine in a tobacco sample with high recovery.
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Affiliation(s)
- Rajendran Jerome
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Ashok K Sundramoorthy
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India.
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Mohamed Azharudeen A, Karthiga R, Rajarajan M, Suganthi A. Selective enhancement of non-enzymatic glucose sensor by used PVP modified on α-MoO3 nanomaterials. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Huang Z, Li Z, Xu L, Wei C, Zhu C, Deng H, Peng H, Xia X, Chen W. Mechanistic Insight into a Novel Ultrasensitive Nicotine Assay Base on High-Efficiency Quenching of Gold Nanocluster Cathodic Electrochemiluminescence. Anal Chem 2020; 92:11438-11443. [PMID: 32691587 DOI: 10.1021/acs.analchem.0c02500] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Monitoring nicotine concentrations in human fluids is extremely crucial owing to the harmful effect of nicotine on human health. Herein, it is shown that nicotine could quench the cathodic electrochemiluminescence (ECL) of gold nanoclusters (AuNCs) with high efficiency. The ECL quenching mechanism of nicotine was studied in detail using various experimental tools and theoretical calculations. It was concluded that the strongly oxidizing intermediate SO4•-, produced from K2S2O8, could oxidized nicotine, resulting in ECL emission quenching. On the basis of this high-efficiency ECL quenching of the AuNCs/K2S2O8 system, a recyclable, ultrasensitive, and selective ECL sensing platform for nicotine detection was proposed. Even in the absence of any complex signal amplification techniques, the ECL sensor for nicotine detection showed an unprecedentedly low detection limit of 7.0 × 10-13 M (S/N = 3) and a wide linear range over 8 orders of magnitude. Most remarkably, it could be successfully used for nicotine detection in human urine samples. This is expected to promote the investigations and applications on nicotine-related diseases. We believe that the proposed ECL platform can hold great prospects for commercialization in biomedical fields and tobacco industries.
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Affiliation(s)
- Zhongnan Huang
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Zhenglian Li
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Luyao Xu
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Chaoguo Wei
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Chenting Zhu
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Haohua Deng
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Huaping Peng
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
| | - Xinghua Xia
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Wei Chen
- Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Department of Pharmaceutical Analysis, Fujian Medical University, Fuzhou 350004, China
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Xiao Y, Chen S, Zhang G, Li Z, Xiao H, Chen C, He C, Zhang R, Yang X. Simple and rapid nicotine analysis using a disposable silica nanochannel-assisted electrochemiluminescence sensor. Analyst 2020; 145:4806-4814. [PMID: 32588848 DOI: 10.1039/d0an00588f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Nicotine analysis is essential to medicine, toxicology and the tobacco industry. However, no simple, portable and disposable method was developed to meet their demands. Here, we report a simple, rapid and disposable silica nanochannel (SAN)-based electrochemiluminescence (ECL) sensor for nicotine analysis by simply assembling a SAN electrode with a paper cover. The sensing principle of the disposable sensor is based on the size exclusion effect and charge selectivity, which obviously prolong the sensor service time. We find that the sensor exhibits good specificity to nicotine, and most of the complex matrices are unlikely to impact the detection. The performance of the disposable sensor in cigarettes, e-cigarettes, nicotine gums, and lozenges is fully validated, showing satisfactory linearity, sensitivity (a limit of detection of 27.82 nM), and accuracy (a recovery between 96.00% and 106.51%). The disposable sensor can be potentially applied for on-site nicotine analysis.
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Affiliation(s)
- Yi Xiao
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China. and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Hunan Normal University), Ministry of Education, China
| | - Suhua Chen
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China. and Hunan Provincial Maternal and Child Health Care Hospital, Changsha 410008, Hunan, China
| | - Guocan Zhang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Zhimao Li
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Han Xiao
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Chuanpin Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Chunlian He
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Ran Zhang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
| | - Xiaoping Yang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Pharmacy, School of Medicine, Hunan Normal University, Changsha 410013, Hunan, China.
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Karthika A, Nikhil S, Suganthi A, Rajarajan M. A facile sonochemical approach based on graphene carbon nitride doped silver molybdate immobilized nafion for selective and sensitive electrochemical detection of chromium (VI) in real sample. ADV POWDER TECHNOL 2020. [DOI: 10.1016/j.apt.2020.02.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Yu C, Yu J, Zhang H, He Z, Sha Y, Liu B, Wang Y. A facile approach for rapid on-site screening of nicotine in natural tobacco. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 259:113841. [PMID: 31883477 DOI: 10.1016/j.envpol.2019.113841] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/10/2019] [Accepted: 12/16/2019] [Indexed: 05/24/2023]
Abstract
Nicotine (Nic) exposed to the environment which comes from tobacco products is the main addictive agent and specific classes of hazardous compound that merit concern. In this study, we have established a fast and reliable method to achieve specific detection of Nic in natural nicotiana tabacum within 30 s through a miniaturized platform based on screen printed gold electrode (SPE). A simple electrochemical pretreatment mean was employed on gold surface that led to the exposure of Au (111) facet and a convenient sample pretreatment method was adopted to realize the extraction of Nic in tobacco. The present electrochemical sensor exhibits an ample range of sensing from 10 μg/g to 200 μg/g, which is able to compliance with tobacco industry testing standards of actual samples. Over 60 sampling points from different origins in China or other countries were performed with direct analysis using this method and satisfactory results have been obtained. The proposed approach was demonstrated to be a very promising platform for significantly improving analytical efficiency in laboratories as well as for monitoring the source reduction control of Nic in the environment.
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Affiliation(s)
- Chaofan Yu
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jie Yu
- Shanghai Tobacco Group Corporation Limited, Shanghai 200082, China
| | - Huirong Zhang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Ziyan He
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Yunfei Sha
- Shanghai Tobacco Group Corporation Limited, Shanghai 200082, China
| | - Baizhan Liu
- Shanghai Tobacco Group Corporation Limited, Shanghai 200082, China
| | - Ying Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Khoobi A, Shahdost-fard F, Arbabi M, Akbari M, Mirzaei H, Nejati M, Lotfinia M, Sobhani-Nasab A, Banafshe HR. Sonochemical synthesis of ErVO4/MnWO4 heterostructures: Application as a novel nanostructured surface for electrochemical determination of tyrosine in biological samples. Polyhedron 2020. [DOI: 10.1016/j.poly.2019.114302] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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37
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Salari H, Kohantorabi M. Facile template-free synthesis of new α-MnO2 nanorod/silver iodide p–n junction nanocomposites with high photocatalytic performance. NEW J CHEM 2020. [DOI: 10.1039/d0nj01033b] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High-efficiency photocatalytic performance and mechanism of MnO2/AgI for organic pollutant degradation.
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Affiliation(s)
- Hadi Salari
- Department of Chemistry
- Faculty of Science
- Shiraz University
- Shiraz
- Iran
| | - Mona Kohantorabi
- Department of Chemistry
- Sharif University of Technology
- Tehran
- Iran
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