Phosphate ions detection by using an electrochemical sensor based on laser-scribed graphene oxide on paper DOI Creative Commons
Bernardo Patella, Antonino Parisi, Nadia Moukri

et al.

Electrochimica Acta, Journal Year: 2023, Volume and Issue: 461, P. 142600 - 142600

Published: May 18, 2023

In this work, electrodes based on laser-scribed reduced graphene oxide were fabricated using filter paper as the substrate. To fabricate electrodes, a water suspension of was filtered to produce continuous and uniform film surface. Subsequently, CO2 laser used "write" working, counter reference eelctroes by reducing in specific areas define complete sensors. Referecnce then coated with commercial Ag/AgCl conductive paste quasi reference. As devices employed electrochemical sensors for detection phosphate ions employing molybdenum blue method. This method exploits reaction between molybdate acidic media leading Keggin-type complex (PMo12O403−) which, being electrochemically active, enables indiret ions. Sensors exhibited high selectivity sensitive wide linear range, from 1 20 µM; limit 0.4 µM. demonstrate that could be utilized in-situ ion detection, substrate first pre-loaded sulphuric acid During analysis, these chemicals desorbed directly into test sample eliminating need any kind external manipulation or reagent addition. Thus, presents fabrication portable, easy-to-use, biodegradable fast sensor situ real-time monitoring quality.

Language: Английский

Graphene-based wearable temperature sensors: A review DOI Creative Commons
Anindya Nag, Roy B. V. B. Simorangkir, Dinesh R. Gawade

et al.

Materials & Design, Journal Year: 2022, Volume and Issue: 221, P. 110971 - 110971

Published: July 21, 2022

The paper presents a comprehensive review of the use graphene to develop wearable temperature sensors. detection over wide range has been growing interest in multidisciplinary sectors sensing world. Different kinds flexible sensors have fabricated with polymers and nanomaterials. With additional attribute nature, these are used ubiquitously determine effect physiochemical variations happening environment chosen biomedical industrial applications. Graphene, owing its exceptional electrical, mechanical, thermal properties, extensively for development prototypes deployed certain wireless communication protocols transfer experimental data obtained under both controlled environments real-time scenarios. This underlines some significant works done on fabricate implement sensors, along possible remedial steps that can be considered deal challenges existing current literature.

Language: Английский

Citations

100
Laser-induced graphene (LIG)-based Au@CuO/V2CTx MXene non-enzymatic electrochemical sensors for the urine glucose test DOI
Feiyun Cui, Haiming Sun,

Xueqiong Yang

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 457, P. 141303 - 141303

Published: Jan. 3, 2023

Language: Английский

Citations

88
Laser‐Carbonization – A Powerful Tool for Micro‐Fabrication of Patterned Electronic Carbons DOI Creative Commons
Mamta Devi, Huize Wang,

Sanghwa Moon

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(38)

Published: Feb. 26, 2023

Fabricating electronic devices from natural, renewable resources is a common goal in engineering and materials science. In this regard, carbon of special significance due to its biocompatibility combined with electrical conductivity electrochemical stability. microelectronics, however, carbon's device application often inhibited by tedious expensive preparation processes lack control over processing material parameters. Laser-assisted carbonization emerging as tool for the precise selective synthesis functional carbon-based flexible applications. contrast conventional via in-furnace pyrolysis, laser-carbonization induced photo-thermally occurs on time-scale milliseconds. By careful selection precursors process parameters, properties so-called laser-patterned (LP-C) such porosity, surface polarity, groups, degree graphitization, charge-carrier structure, etc. can be tuned. critical review, perspective generated context general strategies, fundamentals laser-induced processing, applications, like electrodes sensors, electrocatalysts, energy storage, or antennas. An attempt made have equal emphasis aspects that technology optimally positioned broader microfabrication.

Language: Английский

Citations

56
Vanadium Oxide‐Doped Laser‐Induced Graphene Multi‐Parameter Sensor to Decouple Soil Nitrogen Loss and Temperature DOI Creative Commons
Li Yang, Jiayi Yan, Chuizhou Meng

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(14)

Published: Jan. 19, 2023

Abstract Monitoring nitrogen utilization efficiency and soil temperature in agricultural systems for timely intervention is essential crop health with reduced environmental pollution. Herein, this work presents a high‐performance multi‐parameter sensor based on vanadium oxide (VO X )‐doped laser‐induced graphene (LIG) foam to completely decouple oxides (NO ) temperature. The highly porous 3D VO ‐doped LIG composite readily obtained by laser scribing sulfide (V 5 S 8 block copolymer phenolic resin self‐assembled films. heterojunction formed at the LIG/VO interface provides enhanced response NO an ultralow limit of detection 3 ppb (theoretical estimate 451 ppt) room also exhibits wide range, fast response/recovery, good selectivity, stability over 16 days. Meanwhile, can accurately detect linear range 10–110 °C. encapsulation soft membrane further allows sensing without being affected . unencapsulated operated elevated removes influences relative humidity variations accurate measurements. capability loss paves way development future multimodal decoupled electronics precision agriculture monitoring.

Language: Английский

Citations

52
A Highly Sensitive and Long‐Term Stable Wearable Patch for Continuous Analysis of Biomarkers in Sweat DOI Creative Commons
Farnaz Lorestani,

Xianzhe Zhang,

Abu Musa Abdullah

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(52)

Published: Sept. 13, 2023

Abstract Although increasing efforts have been devoted to the development of non‐invasive wearable electrochemical sweat sensors for monitoring physiological and metabolic information, most them still suffer from poor stability specificity over time fluctuating temperatures. This study reports design fabrication a long‐term stable highly sensitive flexible sensor based on nanocomposite‐modified porous graphene by facile laser treatment detecting biomarkers such as glucose in sweat. The laser‐reduced patterned conductive nanocomposite electrode provides resulting with an excellent sensitivity 1317.69 µA m −1 cm −2 ultra‐low limit detection 0.079 µ . can also detect pH exhibit extraordinary maintain more than 91% 21 days ambient conditions. Taken together temperature same material system, dual integrated microfluidic sampling network further results accurate continuous on‐body calibrated simultaneously measured temperature. low‐cost, sensitive, platform could facilitate early identification different disease diagnosis evaluation.

Language: Английский

Citations

52
Wearable sensors for monitoring marine environments and their inhabitants DOI
Altynay Kaidarova, Nathan R. Geraldi, Rory P. Wilson

et al.

Nature Biotechnology, Journal Year: 2023, Volume and Issue: 41(9), P. 1208 - 1220

Published: June 26, 2023

Language: Английский

Citations

50
Doping of Laser‐Induced Graphene and Its Applications DOI
Qiwen Zhang, Fangyi Zhang, Xing Liu

et al.

Advanced Materials Technologies, Journal Year: 2023, Volume and Issue: 8(16)

Published: April 10, 2023

Abstract Laser‐induced graphene (LIG) has attracted extensive attention owing to its facile preparation of and direct engraving patterns for devices. Various applications are demonstrated such as sensors, supercapacitors, electrocatalysis, batteries, antimicrobial, oil water separation, solar cells, heaters. In recent years, doping been employed a significant strategy modulate the properties LIG thereby improve performance Due patternable manufacture, controllable morphologies, synergistic effect doped atoms graphene, devices exhibit high sensitivity sensing, pseudocapacitance performance, biological antibacterial. This paper reviews latest novel research progress heteroatom nanoparticles in synthesis, properties, applications. The fabrications typical approaches presented. Special is paid two processes LIG: one‐step laser irradiation method two‐step modification consisting deposition, drop‐casting, duplicated pyrolysis. Doped with improved mainly highlighted. Taking advantage LIG's device performances will provide excellent opportunities developing artificial intelligence, data storage, energy, health, environmental

Language: Английский

Citations

49
Laser-Induced graphene-based Fabry-Pérot cavity label-free immunosensors for the quantification of cortisol DOI Creative Commons
Hugo Coutinho Gomes, Xuecheng Liu, A.J.S. Fernandes

et al.

Sensors and Actuators Reports, Journal Year: 2024, Volume and Issue: 7, P. 100186 - 100186

Published: Jan. 21, 2024

There is a strong and growing need to monitor stress biomarkers in human beings animals for real-time wellness assessment, which key indicator of health. Toward this, we report an optical fiber immunosensor based on laser-induced graphene (LIG) the potential quantification monitoring cortisol hormone. The developed sensors were created using Fabry-Pérot cavity principle. cavities filled with polyimide (PI) and, some cases, PI mixed gold nanoparticles. interferometers tested temperature refractive index, increase two times sensitivity index was observed due addition In addition, partially transformed into LIG CO2 20 kHz pulsed laser. resulting morphology quite porous presented leafy texture. presence creates second within interferometer, as consequence, spectral response resembled Vernier effect. behavior LIG-modified shows improvements up 15.3 creation cavity. then functionalized anti-cortisol promote affinity cortisol. Excellent sensitivities -34.7 ± 0.7 nm/log(ng/mL) achieved few ng/mL concentration ranges (within 0.5 3 ng/mL). results obtained show 50 when compared other sensors. limit detection 0.1 proposed sensors' responses also shown be immune interference from substances such glucose, sucrose, fructose, ascorbic acid. This study lays foundation new biosensors demonstrating great simple highly sensitive way, opening its path relevant biomedical environmental applications real samples. As future outline, selectivity studies employing interfering agents, both synthetic samples, will accomplished order fully investigate these sensing tools real-life scenarios.

Language: Английский

Citations

37
Laser‐Induced Graphene‐Based Sensors in Health Monitoring: Progress, Sensing Mechanisms, and Applications DOI Creative Commons
Zihao Li, Libei Huang, Le Cheng

et al.

Small Methods, Journal Year: 2024, Volume and Issue: 8(11)

Published: April 10, 2024

Abstract The rising global population and improved living standards have led to an alarming increase in non‐communicable diseases, notably cardiovascular chronic respiratory posing a severe threat human health. Wearable sensing devices, utilizing micro‐sensing technology for real‐time monitoring, emerged as promising tools disease prevention. Among various platforms, graphene‐based sensors shown exceptional performance the field of micro‐sensing. Laser‐induced graphene (LIG) technology, cost‐effective facile method preparation, has gained particular attention. By converting polymer films directly into patterned materials at ambient temperature pressure, LIG offers convenient environmentally friendly alternative traditional methods, opening up innovative possibilities electronic device fabrication. Integrating LIG‐based health monitoring systems holds potential revolutionize management. To commemorate tenth anniversary discovery LIG, this work provides comprehensive overview LIG's evolution progress sensors. Delving diverse mechanisms sensors, recent research advances domain are explored. Furthermore, opportunities challenges associated with briefly discussed.

Language: Английский

Citations

29
Toward Integrated Multifunctional Laser-Induced Graphene-Based Skin-Like Flexible Sensor Systems DOI
Kaichen Xu, Zimo Cai, Huayu Luo

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(39), P. 26435 - 26476

Published: Sept. 17, 2024

The burgeoning demands for health care and human-machine interfaces call the next generation of multifunctional integrated sensor systems with facile fabrication processes reliable performances. Laser-induced graphene (LIG) highly tunable physical chemical characteristics plays vital roles in developing versatile skin-like flexible or stretchable systems. This Progress Report presents an in-depth overview latest advances LIG-based techniques applications sensors. First, merits LIG technique are highlighted especially as building blocks sensors, followed by description various methods its variants. Then, focus is moved to diverse including electrophysiological Mechanisms advantages these scenarios described detail. Furthermore, representative paradigms presented show capabilities multipurpose applications. signal cross-talk issues discussed possible strategies. technology functionalities coupled other strategies will enable high-performance next-generation skin electronics.

Language: Английский

Citations

26