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Kolokathis PD, Zouraris D, Voyiatzis E, Sidiropoulos NK, Tsoumanis A, Melagraki G, Tämm K, Lynch I, Afantitis A. NanoConstruct: A web application builder of ellipsoidal nanoparticles for the investigation of their crystal growth, stability, and the calculation of atomistic descriptors. Comput Struct Biotechnol J 2024; 25:81-90. [PMID: 38883847 PMCID: PMC11179235 DOI: 10.1016/j.csbj.2024.05.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/21/2024] [Accepted: 05/21/2024] [Indexed: 06/18/2024] Open
Abstract
NanoConstruct is a state-of-the-art computational tool that enables a) the digital construction of ellipsoidal neutral energy minimized nanoparticles (NPs) in vacuum through its graphical user-friendly interface, and b) the calculation of NPs atomistic descriptors. It allows the user to select NP's shape and size by inserting its ellipsoidal axes and rotation angle while the NP material is selected by uploading its Crystallography Information File (CIF). To investigate the stability of materials not yet synthesised, NanoConstruct allows the substitution of the chemical elements of an already synthesized material with chemical elements that belong into the same group and neighbouring rows of the periodic table. The process is divided into three stages: 1) digital construction of the unit cell, 2) digital construction of NP using geometry rules and keeping its stoichiometry and 3) energy minimization of the geometrically constructed NP and calculation of its atomistic descriptors. In this study, NanoConstruct was applied for the investigation of the crystal growth of Zirconia (ZrO2) NPs when in the rutile form. The most stable configuration and the crystal growth route were identified, showing a preferential direction for the crystal growth of ZrO2 in its rutile form. NanoConstruct is freely available through the Enalos Cloud Platform (https://enaloscloud.novamechanics.com/riskgone/nanoconstruct/).
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Affiliation(s)
| | - Dimitrios Zouraris
- NovaMechanics Ltd, Nicosia 1070, Cyprus
- Entelos Institute, Larnaca 6059, Cyprus
| | | | | | - Andreas Tsoumanis
- NovaMechanics MIKE, Piraeus 18545, Greece
- NovaMechanics Ltd, Nicosia 1070, Cyprus
| | - Georgia Melagraki
- Division of Physical Sciences and Applications, Hellenic Military Academy, Vari 16672, Greece
| | - Kaido Tämm
- Institute of Chemistry, University of Tartu, Tartu 50090, Estonia
| | - Iseult Lynch
- Entelos Institute, Larnaca 6059, Cyprus
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Antreas Afantitis
- NovaMechanics MIKE, Piraeus 18545, Greece
- NovaMechanics Ltd, Nicosia 1070, Cyprus
- Entelos Institute, Larnaca 6059, Cyprus
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Khumngern S, Nontipichet N, Thavarungkul P, Kanatharana P, Numnuam A. Smartphone-enabled flow injection amperometric glucose monitoring based on a screen-printed carbon electrode modified with PEDOT@PB and a GOx@PPtNPs@MWCNTs nanocomposite. Talanta 2024; 277:126336. [PMID: 38823326 DOI: 10.1016/j.talanta.2024.126336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/25/2024] [Accepted: 05/29/2024] [Indexed: 06/03/2024]
Abstract
This study presents a modified screen-printed carbon electrode (SPCE) to determine glucose in a custom-built flow injection system. The biosensor was constructed by immobilizing glucose oxidase on porous platinum nanoparticles decorated on multi-walled carbon nanotubes (GOx@PPtNPs@MWCTNs). The fabrication of the biosensor was completed by coating the GOx@PPtNPs@MWCTNs nanocomposite on an SPCE modified with a nanocomposite of poly(3,4-ethylenedioxythiophene) and Prussian blue (GOx@PPtNPs@MWCTNs/PEDOT@PB/SPCE). The fabricated electrode accurately measured hydrogen peroxide (H2O2), the byproduct of the GOx-catalyzed oxidation of glucose, and was then applied as a glucose biosensor. The glucose response was amperometrically determined from the PB-mediated reduction of H2O2 at an applied potential of -0.10 V in a flow injection system. Under optimal conditions, the developed biosensor produced a linear range from 2.50 μM to 1.250 mM, a limit of detection of 2.50 μM, operational stability over 500 sample injections, and good selectivity. The proposed biosensor determined glucose in human plasma samples, achieving recoveries and results that agreed with the hexokinase-spectrophotometric method (P > 0.05). Combining the proposed biosensor with the custom-built sample feed, a portable potentiostat and a smartphone, enabled on-site glucose monitoring.
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Affiliation(s)
- Suntisak Khumngern
- Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Natha Nontipichet
- Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Panote Thavarungkul
- Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Proespichaya Kanatharana
- Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Apon Numnuam
- Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand.
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Ferreira R, Silva AP, Nunes-Pereira J. Current On-Skin Flexible Sensors, Materials, Manufacturing Approaches, and Study Trends for Health Monitoring: A Review. ACS Sens 2024; 9:1104-1133. [PMID: 38394033 PMCID: PMC10964246 DOI: 10.1021/acssensors.3c02555] [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: 11/28/2023] [Revised: 01/17/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
Due to an ever-increasing amount of the population focusing more on their personal health, thanks to rising living standards, there is a pressing need to improve personal healthcare devices. These devices presently require laborious, time-consuming, and convoluted procedures that heavily rely on cumbersome equipment, causing discomfort and pain for the patients during invasive methods such as sample-gathering, blood sampling, and other traditional benchtop techniques. The solution lies in the development of new flexible sensors with temperature, humidity, strain, pressure, and sweat detection and monitoring capabilities, mimicking some of the sensory capabilities of the skin. In this review, a comprehensive presentation of the themes regarding flexible sensors, chosen materials, manufacturing processes, and trends was made. It was concluded that carbon-based composite materials, along with graphene and its derivates, have garnered significant interest due to their electromechanical stability, extraordinary electrical conductivity, high specific surface area, variety, and relatively low cost.
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Affiliation(s)
- Rodrigo
G. Ferreira
- C-MAST, Centre for Mechanical and Aerospace
Science and Technologies, Universidade da
Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - Abílio P. Silva
- C-MAST, Centre for Mechanical and Aerospace
Science and Technologies, Universidade da
Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - João Nunes-Pereira
- C-MAST, Centre for Mechanical and Aerospace
Science and Technologies, Universidade da
Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
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Choi J, Saha SK. Scalable Printing of Metal Nanostructures through Superluminescent Light Projection. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308112. [PMID: 37865867 DOI: 10.1002/adma.202308112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/17/2023] [Indexed: 10/23/2023]
Abstract
Direct printing of metallic nanostructures is highly desirable but current techniques cannot achieve nanoscale resolutions or are too expensive and slow. Photoreduction of solvated metal ions into metallic nanoparticles is an attractive strategy because it is faster than deposition-based techniques. However, it is still limited by the resolution versus cost tradeoff because sub-diffraction printing of nanostructures requires high-intensity light from expensive femtosecond lasers. Here, this tradeoff is overcome by leveraging the spatial and temporal coherence properties of low-intensity diode-based superluminescent light. The superluminescent light projection (SLP) technique is presented to rapidly print sub-diffraction nanostructures, as small as 210 nm and at periods as small as 300 nm, with light that is a billion times less intense than femtosecond lasers. Printing of arbitrarily complex 2D nanostructured silver patterns over 30 µm × 80 µm areas in 500 ms time scales is demonstrated. The post-annealed nanostructures exhibit an electrical conductivity up to 1/12th that of bulk silver. SLP is up to 480 times faster and 35 times less expensive than printing with femtosecond lasers. Therefore, it transforms nanoscale metal printing into a scalable format, thereby significantly enhancing the transition of nano-enabled devices from research laboratories into real-world applications.
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Affiliation(s)
- Jungho Choi
- G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Sourabh K Saha
- G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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Veronesi S, Vlamidis Y, Ferbel L, Marinelli C, Sanmartin C, Taglieri I, Pfusterschmied G, Leitgeb M, Schmid U, Mencarelli F, Heun S. Three-dimensional graphene on a nano-porous 4H-silicon carbide backbone: a novel material for food sensing applications. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023. [PMID: 37947767 DOI: 10.1002/jsfa.13118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Sensors that are sensitive to volatile organic compounds, and thus able to monitor the conservation state of food, are precious because they work non-destructively and allow avoiding direct contact with the food, ensuring hygienic conditions. In particular, the monitoring of rancidity would solve a widespread issue in food storage. RESULTS The sensor discussed here is produced utilizing a novel three-dimensional arrangement of graphene, which is grown on a crystalline silicon carbide wafer previously porousified by chemical etching. This approach allows a very high surface-to-volume ratio. Furthermore, the structure of the sensor surface features a large number of edges, dangling bounds, and active sites, which make the sensor, on a chemically robust skeleton, chemically active, particularly to hydrogenated molecules. The interaction of the sensor with such compounds is read out by measuring the sensor resistance in a four-wire configuration. The sensor performance has been assessed on three hazelnut samples: sound, spoiled, and stink bug hazelnuts. A resistance variation of about ∆R = 0.13 ± 0.02 Ω between sound and damaged hazelnuts has been detected. CONCLUSIONS Our measurements confirm the ability of the sensor to discriminate between sound and damaged hazelnuts. The sensor signal is stable for days, providing the possibility to use this sensor for the monitoring of the storage state of fats and foods in general. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Stefano Veronesi
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Pisa, Italy
| | - Ylea Vlamidis
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Pisa, Italy
- Department of Physical Science, Earth, and Environment, University of Siena, Siena, Italy
| | - Letizia Ferbel
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Pisa, Italy
| | - Carmela Marinelli
- Department of Physical Science, Earth, and Environment, University of Siena, Siena, Italy
| | - Chiara Sanmartin
- Department of Agriculture, Food and Environment Science, University of Pisa, Pisa, Italy
| | - Isabella Taglieri
- Department of Agriculture, Food and Environment Science, University of Pisa, Pisa, Italy
| | | | - Markus Leitgeb
- Institute of Sensor and Actuator Systems, Vienna, Austria
| | - Ulrich Schmid
- Institute of Sensor and Actuator Systems, Vienna, Austria
| | - Fabio Mencarelli
- Department of Agriculture, Food and Environment Science, University of Pisa, Pisa, Italy
| | - Stefan Heun
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Pisa, Italy
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Tsong JL, Robert R, Khor SM. Emerging trends in wearable glove-based sensors: A review. Anal Chim Acta 2023; 1262:341277. [PMID: 37179058 DOI: 10.1016/j.aca.2023.341277] [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: 02/13/2023] [Revised: 04/22/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Glove-based wearable chemical sensors are universal analytical tools that provide surface analysis for various samples in dry or liquid form by swiping glove sensors on the sample surface. They are useful in crime scene investigation, airport security, and disease control for detecting illicit drugs, hazardous chemicals, flammables, and pathogens on various surfaces, such as foods and furniture. It overcomes the inability of most portable sensors to monitor solid samples. It outperforms most wearable sensors (e.g., contact lenses and mouthguard sensors) for healthcare monitoring by providing comfort that does not interfere with daily activities and reducing the risk of infection or other adverse health effects caused by prolonged usage. Detailed information is provided regarding the challenges and selection criteria for the desired glove materials and conducting nanomaterials for developing glove-based wearable sensors. Focusing on nanomaterials, various transducer modification techniques for various real-world applications are discussed. The steps taken by each study platform to address the existing issues are revealed, as are their benefits and drawbacks. The Sustainable Development Goals (SDGs) and strategies for properly disposing of used glove-based wearable sensors are critically evaluated. A glance at all the provided tables provides insight into the features of each glove-based wearable sensor and enables a quick comparison of their functionalities.
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Affiliation(s)
- Jia Ling Tsong
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Rodney Robert
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Sook Mei Khor
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia; Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly, Department of Chemistry, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia; Centre for Innovation in Medical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia.
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Kant T, Shrivas K, Ganesan V. Inkjet-printed flexible graphene paper electrode for the electrochemical determination of mercury. RSC Adv 2023; 13:17179-17187. [PMID: 37304784 PMCID: PMC10251220 DOI: 10.1039/d3ra02757k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 05/26/2023] [Indexed: 06/13/2023] Open
Abstract
Here, we report an inkjet-printed graphene paper electrode (IP-GPE) for the electrochemical analysis of mercuric ions (Hg(ii)) in industrial wastewater samples. Graphene (Gr) fabricated on a paper substrate was prepared by a facile solution-phase exfoliation method in which ethyl cellulose (EC) behaves as a stabilizing agent. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were utilized to determine the shape and multiple layers of Gr. The crystalline structure and ordered lattice carbon of Gr were confirmed by X-ray diffraction (XRD) and Raman spectroscopy. The nano-ink of Gr-EC was fabricated on the paper substance via an inkjet printer (HP-1112) and IP-GPE was exploited as a working electrode in linear sweep voltammetry (LSV) and cyclic voltammetry (CV) for the electrochemical detection of Hg(ii). The electrochemical detection is found to be diffusion-controlled illustrated by obtaining a correlation coefficient of 0.95 in CV. The present method exhibits a better linear range of 2-100 μM with a limit of detection (LOD) of 0.862 μM for the determination of Hg(ii). The application of IP-GPE in electrochemical analysis shows a user-friendly, facile, and economical method for the quantitative determination of Hg(ii) in municipal wastewater samples.
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Affiliation(s)
- Tushar Kant
- School of Studies in Chemistry, Pt. Ravishankar Shukla University Raipur-492010 C.G. India
| | - Kamlesh Shrivas
- School of Studies in Chemistry, Pt. Ravishankar Shukla University Raipur-492010 C.G. India
| | - Vellaichamy Ganesan
- Department of Chemistry, Institute of Science, Banaras Hindu University Varanasi-221005 UP India
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Zuo J, Shen Y, Wang L, Yang Q, Cao Z, Song H, Ye Z, Zhang S. Flexible Electrochemical Sensor Constructed Using an Active Copper Center Instead of Unstable Molybdenum Carbide for Simultaneous Detection of Toxic Catechol and Hydroquinone. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Yoon Y, Truong PL, Lee D, Ko SH. Metal-Oxide Nanomaterials Synthesis and Applications in Flexible and Wearable Sensors. ACS NANOSCIENCE AU 2022; 2:64-92. [PMID: 37101661 PMCID: PMC10114907 DOI: 10.1021/acsnanoscienceau.1c00029] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Metal-oxide nanomaterials (MONs) have gained considerable interest in the construction of flexible/wearable sensors due to their tunable band gap, low cost, large specific area, and ease of manufacturing. Furthermore, MONs are in high demand for applications, such as gas leakage alarms, environmental protection, health tracking, and smart devices integrated with another system. In this Review, we introduce a comprehensive investigation of factors to boost the sensitivity of MON-based sensors in environmental indicators and health monitoring. Finally, the challenges and perspectives of MON-based flexible/wearable sensors are considered.
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Affiliation(s)
- Yeosang Yoon
- Applied
Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu,
Seoul 08826, Korea
| | - Phuoc Loc Truong
- Laser
and Thermal Engineering Lab, Department of Mechanical Engineering, Gachon University, Seongnam 13120, Korea
| | - Daeho Lee
- Laser
and Thermal Engineering Lab, Department of Mechanical Engineering, Gachon University, Seongnam 13120, Korea
| | - Seung Hwan Ko
- Applied
Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu,
Seoul 08826, Korea
- Institute
of Advanced Machinery and Design (SNU-IAMD), Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
- Institute
of Engineering Research, Seoul National
University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
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Jiang T, Nan W, Han L, Wei H, Wang M, Peng J, Chen Y, Hou X, Zhan D. A Rigidity/Flexibility Compatible Strategy to Improve the Stability and Durability of Flexible Electrochemical Sensor Based on a Polydimethylsiloxane Membrane Supported Prussian Blue@Carbon Nanotube Array. ELECTROANAL 2022. [DOI: 10.1002/elan.202100274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tao Jiang
- School of Chemical and Environmental Engineering Shanghai Institute of Technology 201418 Shanghai China
| | - Wenjing Nan
- State Key Laboratory of Physical Chemistry of Solid Surfaces (PCOSS) Fujian Science & Technology Innovation Laboratory for Energy Materials of China Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of Chemistry College of Chemistry and Chemical Engineering Department of Mechanical and Electrical Engineering School of Aerospace Engineering Xiamen University 361005 Xiamen China
| | - Lianhuan Han
- State Key Laboratory of Physical Chemistry of Solid Surfaces (PCOSS) Fujian Science & Technology Innovation Laboratory for Energy Materials of China Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of Chemistry College of Chemistry and Chemical Engineering Department of Mechanical and Electrical Engineering School of Aerospace Engineering Xiamen University 361005 Xiamen China
| | - Hang Wei
- State Key Laboratory of Physical Chemistry of Solid Surfaces (PCOSS) Fujian Science & Technology Innovation Laboratory for Energy Materials of China Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of Chemistry College of Chemistry and Chemical Engineering Department of Mechanical and Electrical Engineering School of Aerospace Engineering Xiamen University 361005 Xiamen China
| | - Miao Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces (PCOSS) Fujian Science & Technology Innovation Laboratory for Energy Materials of China Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of Chemistry College of Chemistry and Chemical Engineering Department of Mechanical and Electrical Engineering School of Aerospace Engineering Xiamen University 361005 Xiamen China
| | - Juan Peng
- Department of Chemistry College of Chemistry and Chemical Engineering Ningxia University 750021 Yinchuan China
| | - Yong Chen
- School of Chemical and Environmental Engineering Shanghai Institute of Technology 201418 Shanghai China
| | - Xu Hou
- State Key Laboratory of Physical Chemistry of Solid Surfaces (PCOSS) Fujian Science & Technology Innovation Laboratory for Energy Materials of China Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of Chemistry College of Chemistry and Chemical Engineering Department of Mechanical and Electrical Engineering School of Aerospace Engineering Xiamen University 361005 Xiamen China
| | - Dongping Zhan
- State Key Laboratory of Physical Chemistry of Solid Surfaces (PCOSS) Fujian Science & Technology Innovation Laboratory for Energy Materials of China Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of Chemistry College of Chemistry and Chemical Engineering Department of Mechanical and Electrical Engineering School of Aerospace Engineering Xiamen University 361005 Xiamen China
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Saini H, Srinivasan N, Šedajová V, Majumder M, Dubal DP, Otyepka M, Zbořil R, Kurra N, Fischer RA, Jayaramulu K. Emerging MXene@Metal-Organic Framework Hybrids: Design Strategies toward Versatile Applications. ACS NANO 2021; 15:18742-18776. [PMID: 34793674 DOI: 10.1021/acsnano.1c06402] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rapid progress on developing smart materials and design of hybrids is motivated by pressing challenges associated with energy crisis and environmental remediation. While emergence of versatile classes of nanomaterials has been fascinating, the real excitement lies in the design of hybrid materials with tunable properties. Metal-organic frameworks (MOFs) are the key materials for gas sorption and electrochemical applications, but their sustainability is challenged by limited chemical stability, poor electrical conductivity, and intricate, inaccessible pores. Despite tremendous efforts towards improving the stability of MOF materials, little progress has made researchers inclined toward developing hybrid materials. MXenes, a family of two-dimensional transition-metal carbides, nitrides and carbonitrides, are known for their compositional versatility and formation of a range of structures with rich surface chemistry. Hybridization of MOFs with functional layered MXene materials may be beneficial if the host structure provides appropriate interactions for stabilizing and improving the desired properties. Recent efforts have focused on integrating Ti3C2Tx and V2CTx MXenes with MOFs to result in hybrid materials with augmented electrochemical and physicochemical properties, widening the scope for emerging applications. This review discusses the potential design strategies of MXene@MOF hybrids, attributes of tunable properties in the resulting hybrids, and their applications in water treatment, sensing, electrochemical energy storage, smart textiles, and electrocatalysis. Comprehensive discussions on the recent efforts on rapidly evolving MXene@MOF materials for various applications and potential future directions are highlighted.
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Affiliation(s)
- Haneesh Saini
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir 181221, India
| | - Nikitha Srinivasan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram 695551, India
| | - Veronika Šedajová
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Mandira Majumder
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir 181221, India
| | - Deepak P Dubal
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4001, Australia
| | - Michal Otyepka
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
- IT4Innovations, VSB - Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava-Poruba, Czech Republic
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
- Nanotechnology Centre, CEET, VSB - Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava-Poruba, Czech Republic
| | - Narendra Kurra
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram 695551, India
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, 502284 Sangareddy, Telangana, India
| | - Roland A Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry and Catalysis Research Centre, Technical University of Munich, 85748 Garching, Germany
| | - Kolleboyina Jayaramulu
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir 181221, India
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Hasan MM, Hossain MM. Nanomaterials-patterned flexible electrodes for wearable health monitoring: a review. JOURNAL OF MATERIALS SCIENCE 2021; 56:14900-14942. [PMID: 34219807 PMCID: PMC8237560 DOI: 10.1007/s10853-021-06248-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 06/08/2021] [Indexed: 06/13/2023]
Abstract
ABSTRACT Electrodes fabricated on a flexible substrate are a revolutionary development in wearable health monitoring due to their lightweight, breathability, comfort, and flexibility to conform to the curvilinear body shape. Different metallic thin-film and plastic-based substrates lack comfort for long-term monitoring applications. However, the insulating nature of different polymer, fiber, and textile substrates requires the deposition of conductive materials to render interactive functionality to substrates. Besides, the high porosity and flexibility of fiber and textile substrates pose a great challenge for the homogenous deposition of active materials. Printing is an excellent process to produce a flexible conductive textile electrode for wearable health monitoring applications due to its low cost and scalability. This article critically reviews the current state of the art of different textile architectures as a substrate for the deposition of conductive nanomaterials. Furthermore, recent progress in various printing processes of nanomaterials, challenges of printing nanomaterials on textiles, and their health monitoring applications are described systematically.
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Affiliation(s)
- Md Mehdi Hasan
- Department of Textile Engineering, Khulna University of Engineering & Technology, Khulna, 9203 Bangladesh
- UNAM – National Nanotechnology Research Center and, Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, 06800 Turkey
| | - Md Milon Hossain
- Department of Textile Engineering, Khulna University of Engineering & Technology, Khulna, 9203 Bangladesh
- Department of Textile Engineering, Chemistry and Science, North Carolina State University, Raleigh, 27606 USA
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Liu X, Wei Y, Qiu Y. Advanced Flexible Skin-Like Pressure and Strain Sensors for Human Health Monitoring. MICROMACHINES 2021; 12:695. [PMID: 34198673 PMCID: PMC8232132 DOI: 10.3390/mi12060695] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 12/24/2022]
Abstract
Recently, owing to their excellent flexibility and adaptability, skin-like pressure and strain sensors integrated with the human body have the potential for great prospects in healthcare. This review mainly focuses on the representative advances of the flexible pressure and strain sensors for health monitoring in recent years. The review consists of five sections. Firstly, we give a brief introduction of flexible skin-like sensors and their primary demands, and we comprehensively outline the two categories of design strategies for flexible sensors. Secondly, combining the typical sensor structures and their applications in human body monitoring, we summarize the recent development of flexible pressure sensors based on perceptual mechanism, the sensing component, elastic substrate, sensitivity and detection range. Thirdly, the main structure principles and performance characteristic parameters of noteworthy flexible strain sensors are summed up, namely the sensing mechanism, sensitive element, substrate, gauge factor, stretchability, and representative applications for human monitoring. Furthermore, the representations of flexible sensors with the favorable biocompatibility and self-driven properties are introduced. Finally, in conclusion, besides continuously researching how to enhance the flexibility and sensitivity of flexible sensors, their biocompatibility, versatility and durability should also be given sufficient attention, especially for implantable bioelectronics. In addition, the discussion emphasizes the challenges and opportunities of the above highlighted characteristics of novel flexible skin-like sensors.
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Affiliation(s)
- Xu Liu
- School of Mechano-Electronic Engineering, Xidian University, Xi’an 710071, China
- School of Mechanical Engineering, Xi’an Aeronautical University, Xi’an 710077, China
| | - Yuan Wei
- Institute of Flexible Electronics, Northwestern Polytechnical University, Xi’an 710072, China;
| | - Yuanying Qiu
- School of Mechano-Electronic Engineering, Xidian University, Xi’an 710071, China
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Zhao K, Veksha A, Ge L, Lisak G. Near real-time analysis of para-cresol in wastewater with a laccase-carbon nanotube-based biosensor. CHEMOSPHERE 2021; 269:128699. [PMID: 33121813 DOI: 10.1016/j.chemosphere.2020.128699] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/13/2020] [Accepted: 10/16/2020] [Indexed: 06/11/2023]
Abstract
Para-Cresol is a water-soluble organic pollutant, which is harmful to organisms even at low concentrations. Therefore, it is important to rapidly detect the p-cresol in wastewater as well as natural water. In this work, a new, simple and stable biosensor was developed for on-site quantitatively determination and near real-time monitoring p-cresol in wastewater. The new biosensor was designed and fabricated using a screen-printed carbon electrode (SPCE) modified by waste-derived carbon nanotubes (CNTs) immobilized with laccase (LAC). The fabrication processes and performance of the biosensors were systematically characterized and optimized by Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscope (FESEM), transmission electron microscopy (TEM) and electrochemical methods. With improved conductivity, the proposed biosensor could provide the direct quantitation of p-cresol. The linear range of the biosensor is 0.2-25 ppm of p-cresol with a detection limit of 0.05 ppm. Additionally, the biosensor exhibited high reproducibility, stability and reusability during the validation. More importantly, the biosensor was successfully applied for the rapid detection of p-cresol in environmental lab wastewater under the interference of metal ions and other organics, and the results were consistent with high-performance liquid chromatography (HPLC). Finally, the biosensor with a portable potentiostat was approved as an easy-to-use, sensitive and inexpensive platform that could provide near real-time monitoring of p-cresol concentration in wastewater during Fenton oxidation treatment process.
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Affiliation(s)
- Ke Zhao
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore
| | - Andrei Veksha
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore
| | - Liya Ge
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore.
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.
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Optimizing Aerosol Jet Printing Process of Platinum Ink for High-Resolution Conductive Microstructures on Ceramic and Polymer Substrates. Polymers (Basel) 2021; 13:polym13060918. [PMID: 33809782 PMCID: PMC8002352 DOI: 10.3390/polym13060918] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/01/2021] [Accepted: 03/11/2021] [Indexed: 12/02/2022] Open
Abstract
Printing nano-ink with platinum nanoparticles to generate conductive microstructures for electronics on different types of substrates has gained increasing interest in recent years. To solve the problem of the low conductivity of platinum (Pt) nano-ink, we synthesized chemically pure Pt nanoparticles with sizes of 18.2 ± 9.0 nm by spark discharge method. A low toxic solvent, ethylene glycol with water, was used to ensure the aggregation stability of Pt nanoparticles. Polyvinylpyrrolidone was used as an adhesive additive and binder in the nano-ink. Narrow and conductive Pt lines were generated by aerosol jet printing technology. The resistivity of the Pt lines sintered at 750 °C on alumina substrate was found to exceed the bulk Pt by about 13%. Moreover, the Pt film fabricated on polymer substrates has demonstrated excellent mechanical flexibility in terms of twisting tests.
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Conductivity Extraction Using a 180 GHz Quasi-Optical Resonator for Conductive Thin Film Deposited on Conductive Substrate. MATERIALS 2020; 13:ma13225260. [PMID: 33233851 PMCID: PMC7699854 DOI: 10.3390/ma13225260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/15/2020] [Accepted: 11/18/2020] [Indexed: 11/17/2022]
Abstract
Measurement of electrical conductivity of conductive thin film deposited on a conductive substrate is important and challenging. An effective conductivity model was constructed for a bilayer structure to extract thin film conductivity from the measured Q-factor of a quasi-optical resonator. As a demonstration, aluminium films with thickness of 100 nm were evaporated on four silicon wafers whose conductivity ranges from ~101 to ~105 S/m (thus, the proposed method can be verified for a substrate with a wide range of conductivity). Measurement results at ~180 GHz show that average conductivities are 1.66 × 107 S/m (which agrees well with direct current measurements) with 6% standard deviation. The proposed method provides a contactless conductivity evaluation method for conductive thin film deposited on conductive substrate which cannot be achieved by the existing microwave resonant method.
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Hernández-Rodríguez JF, Rojas D, Escarpa A. Electrochemical Sensing Directions for Next-Generation Healthcare: Trends, Challenges, and Frontiers. Anal Chem 2020; 93:167-183. [PMID: 33174738 DOI: 10.1021/acs.analchem.0c04378] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Juan F Hernández-Rodríguez
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, Faculty of Sciences, University of Alcalá, E-28871 Alcalá de Henares, Madrid, Spain
| | - Daniel Rojas
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, Faculty of Sciences, University of Alcalá, E-28871 Alcalá de Henares, Madrid, Spain.,Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Alberto Escarpa
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, Faculty of Sciences, University of Alcalá, E-28871 Alcalá de Henares, Madrid, Spain.,Chemical Research Institute Andres M. del Rio, University of Alcalá, E-28871 Madrid, Spain
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