Internet of Things‐Enabled Food and Plant Sensors to Empower Sustainability

Advanced Intelligent Systems, Год журнала: 2023, Номер 5(12)

Опубликована: Окт. 10, 2023

To promote sustainability, this review explores: 1) the utilization of affordable high‐performance sensors that can enhance food safety and quality, plant growth, disease management 2) Internet Things (IoT)‐supported to empower farmers, stakeholders, agro‐food industries via rapid testing predictive analysis based on sensing generated informatics using artificial intelligence (AI). The performance such is noticeable, but technology still not suitable be used in real applications owing lack focus, scalability, well‐coordinated research, regulations. cover gap, carefully critically analyzes state‐of‐the‐art technologies developed for quality assurance (i.e., contaminants, toxins, packaging testing) growth monitoring phenotyping, stresses, volatile organic components, nutrient levels, hormones, pathogens) along with possible challenges. following has been proposed future research: promoting optimized combination green units supported by IoT perform at location, considering remote urban areas as a key analyzing AI should also focus risk assessment understanding optimizing necessary majors. Finally, perspectives IoT‐enabled sensors, their real‐world limitations, are discussed.

Язык: Английский

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Shaping the Future of the Neurotransmitter Sensor: Tailored CdS Nanostructures for State-of-the-Art Self-Powered Photoelectrochemical Devices

ACS Sensors, Год журнала: 2024, Номер 9(5), С. 2684 - 2694

Опубликована: Май 2, 2024

Semiconductor-based photoelectrochemical (PEC) test protocols offer a viable solution for developing efficient individual health monitoring by converting light and chemical energy into electrical signals. However, slow reaction kinetics electron–hole complexation at the interface limit their practical application. Here, we reported triple-engineered CdS nanohierarchical structures (CdS NHs) modification scheme including morphology, defective states, heterogeneous structure to achieve precise of neurotransmitter dopamine (DA) in plasma noninvasive body fluids. By precisely manipulating Cd–S precursor, achieved control over ternary NHs obtained well-defined layered self-assembled through surface carbon treatment. The integration defect states thin layer effectively established carrier directional transfer pathways, thereby enhancing sites improving conversion efficiency. microelectrode fabricated demonstrated remarkable negative response toward DA, enabling development miniature self-powered PEC device quantification human saliva. Additionally, utilization density functional theory calculations elucidated structural characteristics DA state CdS, thus establishing crucial theoretical groundwork optimizing polymerization process DA. present study offers potential engineering approach high efficiency semiconductors as well proposing novel concept designing sensitive testing strategies.

Язык: Английский

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Early detection of cancer utilizing biosensors based on “Green Graphene”: An innovative and sustainable methodology for advancing cancer diagnosis

TrAC Trends in Analytical Chemistry, Год журнала: 2023, Номер 167, С. 117254 - 117254

Опубликована: Авг. 23, 2023

Язык: Английский

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Recent advances on portable photoelectrochemical biosensors for diagnostics

Electroanalysis, Год журнала: 2023, Номер 35(12)

Опубликована: Окт. 14, 2023

Abstract Efficient and accurate diagnostic methods are important for human health monitoring prevention of major diseases, so the establishment efficient convenient testing clinical diagnosis is urgent. Photoelectrochemical (PEC) biosensors have attracted much attention because their high sensitivity, low detection background, especially advantages combining photoexcitation electrochemical detection. With rapid development integrated circuit technology many wireless transmissions highly aggregated portable micro devices manufactured, its small size, easy to carry, ability visualize results test shown be potential application such devices. This review aims cover recent advances in PEC biosensing within field detection, including principles biosensors, common photovoltaic materials, scalable fabrication techniques biosensing. Future prospects also discussed.

Язык: Английский

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Stable Chitosan and Prussian Blue-Coated Laser-Induced Graphene Skin Sensor for the Electrochemical Detection of Hydrogen Peroxide in Sweat

ACS Applied Nano Materials, Год журнала: 2023, Номер 6(12), С. 10290 - 10302

Опубликована: Июнь 9, 2023

Developing a noninvasive skin peroxide monitoring technology is highly desirable for managing number of metabolic disorders associated with diabetes, pulmonary diseases, or other health conditions. To date, the majority studies on detection have been conducted simulated sweat and high pH conditions, which are beyond physiological range, in order to provide an enhanced response. Here, skin-worn amperometric sensor, based laser-induced graphene (LIG), surface-engineered Prussian blue (PB)–chitosan (CS) network was fabricated by one-step electrodeposition stable sensitive H2O2 human eccrine perspiration. The hybrid (PB–CS) laser-written electrode configuration were optimized through systematic investigation parameters concurrent feedback from electrochemical morphological characterization at each fabrication step. Different multitude carbon-based electrodes functionalized metallic nanoparticles reported literature, sensor operated low potential −0.036 V vs Ag/AgCl unmodified working ensured that specific, immune current oxygen reduction common interfering species, whereas inclusion CS coating afforded performance over period 14 days. able monitor linear range 10–1000 μM limit 6.31 achieved recovery 98.73% (%RSD 0.86) This facile biosensor directly coupled PB–CS strategy has form basis development oxidase enzyme-based sensors sweat.

Язык: Английский

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Multi-Enzyme Cascade Nanoreactors for High-Throughput Immunoassay: Transitioning Concept in Lab to Application in Community

Analytical Chemistry, Год журнала: 2024, Номер 96(28), С. 11463 - 11471

Опубликована: Июль 4, 2024

In this work, we reported a cholesterol oxidase (Chox)-loaded platinum (Pt) nanozyme with the collaborative cascade nanoreactor for construction of nanozyme-enzyme-linked immunosorbent assay (N-ELSA) models to realize high-throughput rapid evaluation cancer markers. Considering high specific surface area and manipulable sites, ZIF-8 was used as substrate natural enzyme loading. The constructed ZIF-8-Pt platform exhibited efficient enzyme-like catalytic efficiency standard corrected activity 60.59 U mg

Язык: Английский

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Advances in pH Sensing: From Traditional Approaches to Next‐Generation Sensors in Biological Contexts

The Chemical Record, Год журнала: 2024, Номер 24(7)

Опубликована: Июль 1, 2024

pH has been considered one of the paramount factors in bodily functions because most cellular tasks exclusively rely on precise values. In this context, current techniques for sensing provide us with futuristic insight to further design therapeutic and diagnostic tools. Thus, pH-sensing (electrochemically optically) is rapidly evolving toward exciting new applications expanding researchers' interests many chemical contexts, especially biomedical applications. The adaptation cutting-edge technology subsequently producing modest form these biosensors as wearable devices, which are providing opportunity target real-time collection vital parameters, including improved healthcare systems. motif review into trending tech-based systems employed or in-vivo pH-responsive monitoring. Herein, we briefly go through regulation human body help beginners scientific community quick background knowledge, recent advances field, detection biological end, summarize our by an outlook; challenges that need be addressed, prospective integration various vivo platforms modern electronics can open avenues disease diagnostics prevention.

Язык: Английский

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NIR‐Excitable POM‐Encapsulated Yb‐Bi₂S₃ Decorated Graphene for Wearable Photoelectrochemical Sensing

Advanced Functional Materials, Год журнала: 2024, Номер 34(25)

Опубликована: Фев. 16, 2024

Abstract Transition metal sulfides have garnered significant interest in the realm of photoelectrochemical (PEC) sensors due to their remarkable optical and electrical properties. However, intrinsic UV–vis adsorption electron‐donor consumption severely hinder nonirritating situ epidermal PEC applications. Herein, a NIR‐808 nm light‐excited heterojunction, phosphomolybdic acid‐encapsulated ytterbium‐doped bismuth sulfide (Yb‐Bi 2 S 3 /PMA), is synthesized by hydrothermal method for self‐sufficient electron donor‐based sensing. Further, Yb‐Bi /PMA heterojunction decorated on flexible integrated laser‐induced graphene electrode arrays, providing ultrafast charge carrier transfer capacity robust mechanical durability (300 bending cycles) subsequent wearable As showcase, aptamer molecular recognition‐based sensor sweat trace Neuropeptide Y (NPY, stress or depression biomarker) presents an ultra‐low detection limit (0.39 fM) good anti‐interference ability. Moreover, integration aptasensor with signal processing wireless communication facilitates analysis NPY dynamics various real scenarios (feeding behaviors, physiological stress, circadian rhythm). More broadly, this research establishes foundation NIR‐excitable semiconductors equipped donor capabilities, unlocking potential ultrasensitive sensing

Язык: Английский

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Integrating machine learning models with cross-validation and bootstrapping for evaluating groundwater quality in Kanchanaburi province, Thailand

Environmental Research, Год журнала: 2024, Номер 252, С. 118952 - 118952

Опубликована: Апрель 16, 2024

Язык: Английский

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Recent advances in flexible sensors: From sensing materials to detection modes

TrAC Trends in Analytical Chemistry, Год журнала: 2024, Номер unknown, С. 118027 - 118027

Опубликована: Окт. 1, 2024

Язык: Английский

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