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Amarante T, Cunha THR, Laudares C, Barboza APM, dos Santos AC, Pereira CL, Ornelas V, Neves BRA, Ferlauto AS, Lacerda RG. Carbon nanotube-cellulose ink for rapid solvent identification. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:535-543. [PMID: 37152475 PMCID: PMC10155625 DOI: 10.3762/bjnano.14.44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 03/21/2023] [Indexed: 05/09/2023]
Abstract
In this work, a conductive ink based on microfibrillated cellulose (MFC) and multiwalled carbon nanotubes (MWCNTs) was used to produce transducers for rapid liquid identification. The transducers are simple resistive devices that can be easily fabricated by scalable printing techniques. We monitored the electrical response due to the interaction between a given liquid with the carbon nanotube-cellulose film over time. Using principal component analysis of the electrical response, we were able to extract robust data to differentiate between the liquids. We show that the proposed liquid sensor can classify different liquids, including organic solvents (acetone, chloroform, and different alcohols) and is also able to differentiate low concentrations of glycerin in water (10-100 ppm). We have also investigated the influence of two important properties of the liquids, namely dielectric constant and vapor pressure, on the transduction of the MFC-MWCNT sensors. These results were corroborated by independent heat flow measurements (thermogravimetric analysis). The proposed MFC-MWCNT sensor platform may help paving the way to rapid, inexpensive, and robust liquid analysis and identification.
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Affiliation(s)
- Tiago Amarante
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Thiago H R Cunha
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Claudio Laudares
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Ana P M Barboza
- Departamento de Física, Universidade Federal de Ouro Preto, Ouro Preto - CEP 35400-000, Brazil
| | - Ana Carolina dos Santos
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Cíntia L Pereira
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Vinicius Ornelas
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Bernardo R A Neves
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - André S Ferlauto
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas, Universidade Federal do ABC, Santo André - CEP 09210-580, Brazil
| | - Rodrigo G Lacerda
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
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Chen J, Zhu Y, Huang J, Zhang J, Pan D, Zhou J, Ryu JE, Umar A, Guo Z. Advances in Responsively Conductive Polymer Composites and Sensing Applications. POLYM REV 2020. [DOI: 10.1080/15583724.2020.1734818] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Jianwen Chen
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Yuhang District, Hangzhou, China
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Yutian Zhu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Yuhang District, Hangzhou, China
| | - Jinrui Huang
- Key Laboratory of Biomass Energy and Material, Jiangsu Province; Key Laboratory of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; National Engineering Laboratory for Biomass Chemical Utilization, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing, Jiangsu Province, China
| | - Jiaoxia Zhang
- School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Duo Pan
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong, China
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, China
| | - Juying Zhou
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, China
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA
| | - Jong E. Ryu
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, USA
| | - Ahmad Umar
- Department of Chemistry, College of Science and Arts, Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, Kingdom of Saudi Arabia
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA
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Herrera-Chacón A, Torabi F, Faridbod F, Ghasemi JB, González-Calabuig A, del Valle M. Voltammetric Electronic Tongue for the Simultaneous Determination of Three Benzodiazepines. SENSORS 2019; 19:s19225002. [PMID: 31744128 PMCID: PMC6891414 DOI: 10.3390/s19225002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/05/2019] [Accepted: 11/13/2019] [Indexed: 02/06/2023]
Abstract
The presented manuscript reports the simultaneous detection of a ternary mixture of the benzodiazepines diazepam, lorazepam, and flunitrazepam using an array of voltammetric sensors and the electronic tongue principle. The electrodes used in the array were selected from a set of differently modified graphite epoxy composite electrodes; specifically, six electrodes were used incorporating metallic nanoparticles of Cu and Pt, oxide nanoparticles of CuO and WO3, plus pristine electrodes of epoxy-graphite and metallic Pt disk. Cyclic voltammetry was the technique used to obtain the voltammetric responses. Multivariate examination using Principal Component Analysis (PCA) justified the choice of sensors in order to get the proper discrimination of the benzodiazepines. Next, a quantitative model to predict the concentrations of mixtures of the three benzodiazepines was built employing the set of voltammograms, and was first processed with the Discrete Wavelet Transform, which fed an artificial neural network response model. The developed model successfully predicted the concentration of the three compounds with a normalized root mean square error (NRMSE) of 0.034 and 0.106 for the training and test subsets, respectively, and coefficient of correlation R ≥ 0.938 in the predicted vs. expected concentrations comparison graph.
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Affiliation(s)
- Anna Herrera-Chacón
- Sensors and Biosensors Group, Department of Chemistry Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Spain; (A.H.-C.); (F.T.); (A.G.-C.)
| | - Farzad Torabi
- Sensors and Biosensors Group, Department of Chemistry Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Spain; (A.H.-C.); (F.T.); (A.G.-C.)
- Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran 1417466191, Iran;
| | - Farnoush Faridbod
- Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran 1417466191, Iran;
| | - Jahan B. Ghasemi
- School of Chemistry, College of Science, University of Tehran, Tehran 1417466191, Iran;
| | - Andreu González-Calabuig
- Sensors and Biosensors Group, Department of Chemistry Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Spain; (A.H.-C.); (F.T.); (A.G.-C.)
| | - Manel del Valle
- Sensors and Biosensors Group, Department of Chemistry Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Spain; (A.H.-C.); (F.T.); (A.G.-C.)
- Correspondence: ; Tel.: +34-93-581-3235
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Sensors and Biosensors for C-Reactive Protein, Temperature and pH, and Their Applications for Monitoring Wound Healing: A Review. SENSORS 2017; 17:s17122952. [PMID: 29257113 PMCID: PMC5750823 DOI: 10.3390/s17122952] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 11/24/2017] [Accepted: 12/13/2017] [Indexed: 02/06/2023]
Abstract
Wound assessment is usually performed in hospitals or specialized labs. However, since patients spend most of their time at home, a remote real time wound monitoring would help providing a better care and improving the healing rate. This review describes the advances in sensors and biosensors for monitoring the concentration of C-reactive protein (CRP), temperature and pH in wounds. These three parameters can be used as qualitative biomarkers to assess the wound status and the effectiveness of therapy. CRP biosensors can be classified in: (a) field effect transistors, (b) optical immunosensors based on surface plasmon resonance, total internal reflection, fluorescence and chemiluminescence, (c) electrochemical sensors based on potentiometry, amperometry, and electrochemical impedance, and (d) piezoresistive sensors, such as quartz crystal microbalances and microcantilevers. The last section reports the most recent developments for wearable non-invasive temperature and pH sensors suitable for wound monitoring.
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Chin SJ, Vempati S, Dawson P, Knite M, Linarts A, Ozols K, McNally T. Electrical conduction and rheological behaviour of composites of poly(ε-caprolactone) and MWCNTs. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.12.034] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Escuder-Gilabert L, Peris M. Review: highlights in recent applications of electronic tongues in food analysis. Anal Chim Acta 2010; 665:15-25. [PMID: 20381685 DOI: 10.1016/j.aca.2010.03.017] [Citation(s) in RCA: 226] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 02/19/2010] [Accepted: 03/08/2010] [Indexed: 11/27/2022]
Abstract
This paper examines the main features of modern electronic tongues (e-tongues) and their most important applications in food analysis in this new century. The components of an e-tongue (automatic sampler, array of chemical sensors, and data processing system) are described. Applications commented include process monitoring, freshness evaluation and shelf-life investigation, authenticity assessment, foodstuff recognition, quantitative analysis, and other quality control studies. Finally, some interesting remarks concerning the strengths and weaknesses of e-tongues in food analysis are also mentioned.
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Affiliation(s)
- Laura Escuder-Gilabert
- Departamento de Química Analítica, Universitat de València, C/Vicente Andrés Estellés s/n, E-46100 Burjasot, Valencia, Spain
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Valdés MG, Valdés González AC, García Calzón JA, Díaz-García ME. Analytical nanotechnology for food analysis. Mikrochim Acta 2009. [DOI: 10.1007/s00604-009-0165-z] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Augustin MA, Sanguansri P. Nanostructured materials in the food industry. ADVANCES IN FOOD AND NUTRITION RESEARCH 2009; 58:183-213. [PMID: 19878860 DOI: 10.1016/s1043-4526(09)58005-9] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nanotechnology involves the application, production, and processing of materials at the nanometer scale. Biological- and physical-inspired approaches, using both conventional and innovative food processing technologies to manipulate matter at this scale, provide the food industry with materials with new functionalities. Understanding the assembly behavior of native and modified food components is essential in developing nanostructured materials. Functionalized nanostructured materials are finding applications in many sectors of the food industry, including novel nanosensors, new packaging materials with improved mechanical and barrier properties, and efficient and targeted nutrient delivery systems. An improved understanding of the benefits and the risks of the technology based on sound scientific data will help gain the acceptance of nanotechnology by the food industry. New horizons for nanotechnology in food science may be achieved by further research on nanoscale structures and methods to control interactions between single molecules.
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Affiliation(s)
- Mary Ann Augustin
- CSIRO Preventative Health National Flagship, Adelaide, South Australia 5000, Australia
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