Recent advances in the use of MXenes for photoelectrochemical sensors

Chemical Engineering Journal, Год журнала: 2024, Номер 482, С. 148774 - 148774

Опубликована: Янв. 17, 2024

MXene is a newly discovered 2D carbon-based material that predominantly conductive. The most common MXene, titanium carbide (Ti3C2), can be used as conductive to enhance the photocurrent generated by photoelectrochemical (PEC) sensors. In order produce sheets are of high quality for PEC sensors and other light-based applications, it imperative synthesis methods production continue improved an extensive understanding its properties gained. Several fluorinated non-fluorinated from MAX discussed in this review. Detailed description mechanical, optical, topological, electronic, electrochemical resultant MXenes also presented. A critical analysis density functional theory (DFT) data pure well changes optical bandgap when doped with heteroatoms form heterojunctions or ternary nanocomposites, extensively described. Additionally, systematic exposition done on current MXene-based sensors, highlighting parameters yield performing sensor. review concludes opinion future direction sensing field.

Язык: Английский

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Electrochemical sensing mechanisms of neonicotinoid pesticides and recent progress in utilizing functional materials for electrochemical detection platforms

Talanta, Год журнала: 2024, Номер 273, С. 125937 - 125937

Опубликована: Март 16, 2024

Язык: Английский

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Recent Advances in Photoelectrochemical Sensing for Food Safety

Analytical Chemistry, Год журнала: 2024, Номер 96(22), С. 8855 - 8867

Опубликована: Май 22, 2024

ADVERTISEMENT RETURN TO ISSUEPREVReviewNEXTRecent Advances in Photoelectrochemical Sensing for Food SafetyYuanxing ChenYuanxing ChenHubei Key Laboratory of Plasma Chemistry and Advanced Materials, Hubei Engineering Technology Research Center Optoelectronic New Energy Wuhan Institute Technology, 430205, P. R. ChinaState Green Pesticide, International Joint Intelligent Biosensing Health, College Chemistry, Central China Normal University, 430079, ChinaMore by Yuanxing ChenView Biography, Wenling GuWenling GuState GuView Biographyhttps://orcid.org/0000-0003-4926-5993, Chengzhou Zhu*Chengzhou ZhuState ChinaCollege Material Chemical Engineering, Organosilicon Ministry Education, Hangzhou 311121, China*[email protected]More ZhuView Biographyhttps://orcid.org/0000-0003-0679-7965, Liuyong Hu*Liuyong HuHubei HuView Biographyhttps://orcid.org/0000-0001-7480-603XCite this: Anal. Chem. 2024, 96, 22, 8855–8867Publication Date (Web):May 2024Publication History Received26 February 2024Accepted10 May 2024Revised4 2024Published online22 inissue 4 June 2024https://pubs.acs.org/doi/10.1021/acs.analchem.4c01062https://doi.org/10.1021/acs.analchem.4c01062review-articleACS PublicationsCopyright © 2024 American SocietyRequest reuse permissionsArticle Views464Altmetric-Citations-LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum full text article downloads since November 2008 (both PDF HTML) across all institutions individuals. These metrics regularly updated to reflect usage leading up last few days.Citations number other articles citing this article, calculated Crossref daily. Find more information about citation counts.The Altmetric Attention Score is a quantitative measure attention that research has received online. Clicking on donut icon will load page at altmetric.com with additional details score social media presence given article. how calculated. Share Add toView InAdd Full Text ReferenceAdd Description ExportRISCitationCitation abstractCitation referencesMore Options onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose SUBJECTS:Food,Peptides proteins,Photonics,Safety,Sensors Get e-Alerts

Язык: Английский

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In Situ Cascade Catalytic Polymerization of Dopamine Based on Pt NPs/CoSAs@NC Nanoenzyme for Constructing Highly Sensitive Photocurrent‐Polarity‐Switching PEC Biosensing Platform

Small, Год журнала: 2025, Номер unknown

Опубликована: Янв. 6, 2025

Nanozymes open up new avenues for amplifying signals in photoelectrochemical (PEC) biosensing, which are yet limited by the generated small-molecule signal reporters. Herein, a multifunctional nanoenzyme of Pt NPs/CoSAs@NC consisting Co single atoms on N-doped porous carbon decorated with nanoparticles is successfully synthesized cascade catalytic polymerization dopamine constructing highly sensitive photocurrent-polarity-switching PEC biosensing platform. Taking protein tyrosine phosphatase 1B (PTP1B) as target model, nanoenzymes linked to magnetic microspheres via phosphorylated peptides. Upon dephosphorylation PTP1B, multiple enzyme-like activities, including peroxidase (POD)-like, catalase (CAT)-like, and oxidase (OXD)-like released collected induce situ ZnCdS photoelectrode presence H

Язык: Английский

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Electrochemical Biosensors for the Detection of Exosomal microRNA Biomarkers for Early Diagnosis of Neurodegenerative Diseases

Analytical Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Март 9, 2025

Early and precise diagnosis of neurodegenerative disorders like Alzheimer's (AD) Parkinson's (PD) is crucial for slowing their progression enhancing patient outcomes. Exosomal microRNAs (miRNAs) are emerging as promising biomarkers due to ability reflect the diseases' pathology, yet low abundance poses significant detection hurdles. This review article delves into burgeoning field electrochemical biosensors, designed exosomal miRNA biomarkers. Electrochemical biosensors offer a compelling solution, combining sensitivity required detect low-abundance with specificity needed discern profiles distinctive neural pathological states. We explore operational principles these including transduction mechanisms that facilitate detection. The also summarizes advancements in nanotechnology, signal enhancement, bioreceptor anchoring, microfluidic integration improve sensor accuracy. evidence use disease analyzed, focusing on clinical impact, diagnostic precision, obstacles faced practical applications. Their potential point-of-care testing regulatory considerations market entry discussed. Looking toward future, highlights forthcoming innovations might revolutionize early processes. impressive sensitivity, specificity, compatibility, track become instrumental diseases, possibly transforming care prognosis.

Язык: Английский

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Recent advances and applications of Bi2S3-based composites in photoelectrochemical sensors and biosensors

TrAC Trends in Analytical Chemistry, Год журнала: 2022, Номер 158, С. 116876 - 116876

Опубликована: Дек. 6, 2022

Язык: Английский

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Photoelectrochemical sensors based on paper and their emerging applications in point-of-care testing

Biosensors and Bioelectronics, Год журнала: 2023, Номер 236, С. 115400 - 115400

Опубликована: Май 28, 2023

Язык: Английский

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Advancements in nanomaterial-based aptasensors for the detection of emerging organic pollutants in environmental and biological samples

Biotechnology Advances, Год журнала: 2023, Номер 66, С. 108156 - 108156

Опубликована: Апрель 19, 2023

Язык: Английский

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Polarity Conversion of the Ag₂S/AgInS₂ Heterojunction by Radical-Induced Positive Feedback Polydopamine Adhesion for Signal-Switchable Photoelectrochemical Biosensing

Analytical Chemistry, Год журнала: 2023, Номер 95(40), С. 15008 - 15016

Опубликована: Сен. 26, 2023

Efficient tuning of the polarity photoactive nanomaterials is great importance in improving performance photoelectrochemical (PEC) sensing platforms. Herein, Ag2S/AgInS2 heterojunction converted by radical-induced positive feedback polydopamine (PDA) adhesion, which further employed to develop a signal-switchable PEC biosensor. In nanocomposites, Ag2S and AgInS2 achieve electron-hole separation, exhibiting strong anodic response. Under irradiation light, able produce superoxide radical hydroxyl intermediate species, leading polymerization dopamine (DA) subsequent adhesion PDA onto (Ag2S/AgInS2@PDA). By constructing new electron-transfer pathway with PDA, converted, response changes from cathodic photocurrents. addition, since photoreduction activity stronger than that heterojunction, more can be produced Ag2S/AgInS2@PDA once generated, thereby promoting generation PDA. Consequently, mechanism established enhance conversion amplify responding DA. As result, bioanalytical method capable sensitively quantifying DA 10 orders magnitude an ultralow limit detection. Moreover, applicability this biosensor real samples identified measuring fetal bovine serum compared commercial ELISA method. Overall, work offers alternative perspective for adjusting photogenerated carriers designing high-performance biosensors.

Язык: Английский

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Microfluidic biosensors for biomarker detection in body fluids: a key approach for early cancer diagnosis

Biomarker Research, Год журнала: 2024, Номер 12(1)

Опубликована: Дек. 5, 2024

Abstract Early detection of cancer significantly improves patient outcomes, with biomarkers offering a promising avenue for earlier and more precise diagnoses. Microfluidic biosensors have emerged as powerful tool detecting these in body fluids, providing enhanced sensitivity, specificity, rapid analysis. This review focuses on recent advances microfluidic from 2018 to 2024, detailing their operational principles, fabrication techniques, integration nanotechnology biomarker detection. Additionally, we reviewed innovations several aspects biosensors, such novel technologies, nanomaterials chip structures, which enhance capabilities. We highlight key pertinent early explore how biosensor technology contribute the evolving landscape personalized medicine. further technologies could be incorporated into clinical diagnostic workflows improve treatment outcomes. These help enable diagnostics. In addition, this addresses important issues enhancing scalability sensitivity settings points out future possibilities combining artificial intelligence diagnostics optimize practical applications. overview aims guide research applications by addressing current challenges identifying opportunities development field research.

Язык: Английский

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