Janus Wettable Mask with Integrated Ratiometric Fluorescent Probe for Comfortable Exhaled H2S Gas Sensing DOI
Shuxin Zhang, Jing Wang, Y. J. Zeng

et al.

ACS Sensors, Journal Year: 2024, Volume and Issue: 9(12), P. 6638 - 6645

Published: Nov. 28, 2024

The exhaled H2S gas is considered a promising noninvasive, rapid biomarker for diagnosing oral health and respiratory diseases. However, there an urgent need in the healthcare industry sensitive, accurate, low-cost, comfortable wearable breath sensor detection. Herein, Janus wettable mask was developed by integrating ratiometric fluorescent probes asymmetric fabric into interior of mask, visual detection H2S. with unidirectional biofluid transport capabilities can quickly transfer liquids from hydrophobic side to hydrophilic side, ensuring dryness face during prolonged wear. color change red blue on be observed naked eye under ultraviolet light, which enables evaluation concentration within linear range 1-100 ppb, low limit 0.8 ppb. On-body experiments confirmed that accurately detects effectively captures dynamic variations levels at different times day. This study provides new insights developing user-friendly sensors offers innovative solutions reducing burden systems.

Language: Английский

Nose-on-Chip Nanobiosensors for Early Detection of Lung Cancer Breath Biomarkers DOI Creative Commons
Vishal Chaudhary, Bakr Ahmed Taha,

Lucky Lucky

et al.

ACS Sensors, Journal Year: 2024, Volume and Issue: 9(9), P. 4469 - 4494

Published: Sept. 9, 2024

Lung cancer remains a global health concern, demanding the development of noninvasive, prompt, selective, and point-of-care diagnostic tools. Correspondingly, breath analysis using nanobiosensors has emerged as promising noninvasive nose-on-chip technique for early detection lung through monitoring diversified biomarkers such volatile organic compounds/gases in exhaled breath. This comprehensive review summarizes state-of-the-art breath-based diagnosis employing chemiresistive-module supported by theoretical findings. It unveils fundamental mechanisms biological basis biomarker generation associated with cancer, technological advancements, clinical implementation nanobiosensor-based analysis. explores merits, challenges, potential alternate solutions implementing these settings, including standardization, biocompatibility/toxicity analysis, green sustainable technologies, life-cycle assessment, scheming regulatory modalities. highlights nanobiosensors' role facilitating precise, real-time, on-site leading to improved patient outcomes, enhanced management, remote personalized monitoring. Additionally, integrating biosensors artificial intelligence, machine learning, Internet-of-things, bioinformatics, omics technologies is discussed, providing insights into prospects intelligent sniffing nanobiosensors. Overall, this consolidates knowledge on breathomic biosensor-based screening, shedding light its significance applications advancing medical diagnostics reduce burden hospitals save human lives.

Language: Английский

Citations

28
Triboelectric Nanogenerator for Self‐Powered Gas Sensing DOI Open Access
Dongzhi Zhang, Lina Zhou, Yan Wu

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 8, 2024

Abstract With the continuous acceleration of industrialization, gas sensors are evolving to become portable, wearable and environmentally friendly. However, traditional rely on external power supply, which severely limits their applications in various industries. As an innovative adaptable generation technology, triboelectric nanogenerators (TENGs) can be integrated with leverage benefits both technologies for efficient friendly self‐powered sensing. This paper delves into basic principles current research frontiers TENG‐based sensor, focusing particularly environmental safety monitoring, healthcare, as well emerging fields such food assurance smart agriculture. It emphasizes significant advantages sensor systems promoting sustainability, achieving sensing at room temperature, driving technological innovations devices. also objectively analyzes technical challenges, including issues related performance enhancement, theoretical refinement, application expansion, provides targeted strategies future directions aimed paving way progress widespread field sensors.

Language: Английский

Citations

15
Highly sensitive and label-free detection of naproxen using mixed metal oxide-based field effect transistor as a biosensor for in-vitro analysis of urine DOI
Seyed Saman Nemati,

Mohammad Hosein Salemi Seresht,

Yaser Abdi

et al.

Materials Science in Semiconductor Processing, Journal Year: 2024, Volume and Issue: 179, P. 108487 - 108487

Published: May 4, 2024

Language: Английский

Citations

8
Nano biosensors: Classification, electrochemistry, nanostructures, and optical properties DOI Creative Commons
Ahmed Mahdi Rheima, Zainab T. Al‐Sharify, Ameen Alwan Mohaimeed

et al.

Results in Engineering, Journal Year: 2024, Volume and Issue: unknown, P. 103428 - 103428

Published: Nov. 1, 2024

Language: Английский

Citations

6
Potential of nanoporous graphene and functionalized nanoporous graphene derived nanocomposites for environmental membranes – a review DOI Creative Commons
Ayesha Kausar, Ishaq Ahmad, Osamah Aldaghri

et al.

Nanocomposites, Journal Year: 2024, Volume and Issue: 10(1), P. 138 - 158

Published: April 3, 2024

Nanoporous graphene own high surface area and unique structural physical properties due to nano-sized pores in nanosheet. has been modified by the introduction of functional groups, doping, or nanoparticle modification applied for nanocomposites. The overview basically highlights design, properties, potential functionalized nanoporous derived nanocomposites advanced membranes (desalination/gas/oil separation), thermal management, electrocatalysts, micro-supercapacitors. According literature, pore size neat is 3–11 Å hydroxyl also had nanopore <10 Å. Functionalized revealed 100% salt rejection, while 89% rejection altered properties. Both gas permeance ∼103–105 GPU towards separation CO2, CH4, N2, etc. Few attempts on micro-supercapacitor like molybdenum disulfide resulted volumetric capacitance 55 F cm−3 retention 82%. Forthcoming research may overcome design/performance challenges leading superior features large-scale utilizations.

Language: Английский

Citations

4
Nanomaterial Innovations and Machine Learning in Gas Sensing Technologies for Real-Time Health Diagnostics DOI

Md. Harun-Or-Rashid,

Sahar Mirzaei, Noushin Nasiri

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: March 10, 2025

Breath sensors represent a frontier in noninvasive diagnostics, leveraging the detection of volatile organic compounds (VOCs) exhaled breath for real-time health monitoring. This review highlights recent advancements breath-sensing technologies, with focus on innovative materials driving their enhanced sensitivity and selectivity. Polymers, carbon-based like graphene carbon nanotubes, metal oxides such as ZnO SnO2 have demonstrated significant potential detecting biomarkers related to diseases including diabetes, liver/kidney dysfunction, asthma, gut health. The structural operational principles these are examined, revealing how unique properties contribute key respiratory gases acetone, ammonia (NH3), hydrogen sulfide, nitric oxide. complexity samples is addressed through integration machine learning (ML) algorithms, convolutional neural networks (CNNs) support vector machines (SVMs), which optimize data interpretation diagnostic accuracy. In addition sensing VOCs, devices capable monitoring parameters airflow, temperature, humidity, essential comprehensive analysis. also explores expanding role artificial intelligence (AI) transforming wearable into sophisticated tools personalized enabling disease Together, advances sensor ML-based analytics present promising platform future individualized, healthcare.

Language: Английский

Citations

0
Parts-per-Trillion-Level Acetone Gas Detection Using a Suspended Graphene/SiO2 SAW Breath and Skin Gas Sensor: Simulation and Experimental Study DOI
Hao‐Long Zhou, Sankar Ganesh Ramaraj, Md Shamim Sarker

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 13, 2025

Detection of parts-per-trillion (ppt)-level acetone gas molecules at room temperature using suspended graphene on SiO2 micropillars has rarely been achieved solid-state devices or surface acoustic wave (SAW) sensors. This paper presents the effect and as a guiding sensing layer to detect gas. The integration with introduces coupled resonance arising from interaction between mechanical vibrations micropillars. leads formation hybrid modes when natural frequencies align. coupling mechanism amplifies displacement energy Love propagating along sensor, enhancing its overall performance. Additionally, waves generates characteristic dips in transmission spectra. These correspond excitation specific flexural torsional within structure. A custom-fabricated SAW device, featuring diameter 4 μm heights 1.0 1.2 μm, demonstrated exceptionally high sensitivity toward concentration 500 ppt. Moreover, exhibited rapid response recovery times across wide range concentrations.

Language: Английский

Citations

0
Novel Gas Sensor Signal Acquisition Method: Amplifying Sensor Signals and Enabling Efficient Gas Identification DOI Creative Commons

Kangwook Choi,

Ryun‐Han Koo, Jinwoo Park

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 4, 2025

Abstract Enhancing sensor sensitivity and gas identification capabilities is essential for the broad application of sensors. Developing efficient transducing methods sensors can be applied to a wide range However, developing such resistive remains challenging. In this study, an operating method that enhances both capability in presented. The operation divided into two phases: reaction phase signal detection phase, propose optimized each. chemisorption oxidizing reducing gases are maximized through appropriate read‐bias technique introduced, enhancing across all gases, with 23‐fold increase 500 ppb NO 2 sixfold 50 ppm H S. Additionally, limit (LOD) improved, LOD reduced from 11.8 1.4 ppb. Furthermore, obtaining gas‐specific patterns presented reflect unique diffusion properties each by simply adjusting readout conditions. This approach demonstrates accurate four different using only single sensor.

Language: Английский

Citations

0
Dual-emission copper nanoclusters for hydrogen sulfide detection: a novel approach DOI

Longyan Wang,

Huachao Che,

Lizhu Fang

et al.

Analytical Methods, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Dual-emission copper nanoclusters (CuNCs) were synthesized via a novel, green and one-pot aqueous method, employing bovine serum albumin glutathione as reducing stabilizing agents, respectively.

Language: Английский

Citations

0
Recent Advances in Laser Manufacturing: Multifunctional Integrative Sensing Systems for Human Health and Gas Monitoring DOI Creative Commons
Yangyi Huang, Rongliang Yang, Guijun Li

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(45)

Published: Aug. 22, 2024

Abstract Since its first application in the 1950s, laser has become an indispensable tool scientific research and manufacturing. Laser manufacturing includes traditional methods such as cutting engraving emerging laser‐induced surface modification, materials transfer, ablation synthesis. is widely applied fabrication of multifunctional sensing systems. Compared with other lithography, vacuum deposition, etching processes, technology several advantages, including maskless patterning, high precision, non‐contact processing, minimum heat affected zone, throughput, ability to work multiple materials, ease automation integration. Here, this review aims present a comprehensive analysis applications various components health gas monitoring Emphasis placed on biosensors, microchannels, circuits, working electrodes. Subsequently, physical sensors introduced. Meanwhile, methods, material synthesis are Finally, challenges prospects systems discussed.

Language: Английский

Citations

1