Plasmonic sensor based on offset-splicing and waist-expanded taper using multicore fiber for detection of Aflatoxins B1 in critical sectors

Optics Express, Journal Year: 2023, Volume and Issue: 31(3), P. 4783 - 4783

Published: Jan. 13, 2023

In this work, authors have developed a portable, sensitive, and quick-response fiber optic sensor that is capable of detection Aflatoxins B1 (AFB1) quantitatively qualitatively. Using multi-mode (MMF) multi-core (MCF), the MMF-MCF-MCF-MMF structure based on symmetric transverse offset splicing waist-expanded taper fabricated. The evanescent waves are enhanced to form strong field by etching surface with hydrofluoric acid. To successfully excite localized plasmon resonance phenomenon, gold nanoparticles deposited optical probe's surface. Further, modify probes, Niobium carbide (Nb2CTx) MXene AFB1 antibodies functionalized. Nb2CTx employed strengthen biocompatibility increase specific area probe, while antibody used identify micro-biomolecules in manner. reproducibility, reusability, stability, selectivity proposed probe tested validated using various concentration solutions. Finally, linear range, sensitivity, limit sensing determined as 0 - 1000 nM, 11.7 nm/µM, 26.41 respectively. offers an indispensable technique, low-cost solution portability for AFB1-specific agricultural products their byproducts its novel superior detecting capability. It also useful marine species like fish consequently affecting health human body.

Language: Английский

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MXenes-based nanomaterials for biosensing and biomedicine

Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 479, P. 215002 - 215002

Published: Jan. 10, 2023

Language: Английский

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WaveFlex Biosensor: MXene-Immobilized W-shaped Fiber-Based LSPR sensor for highly selective tyramine detection

Optics & Laser Technology, Journal Year: 2023, Volume and Issue: 171, P. 110357 - 110357

Published: Nov. 22, 2023

Language: Английский

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Advances and challenges in portable optical biosensors for onsite detection and point-of-care diagnostics

TrAC Trends in Analytical Chemistry, Journal Year: 2024, Volume and Issue: 173, P. 117640 - 117640

Published: March 8, 2024

Language: Английский

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MXene sensors based on optical and electrical sensing signals: from biological, chemical, and physical sensing to emerging intelligent and bionic devices

PhotoniX, Journal Year: 2023, Volume and Issue: 4(1)

Published: May 5, 2023

Abstract Sensing devices are key nodes for information detection, processing, and conversion widely applied in different fields such as industrial production, environmental monitoring, defense. However, increasing demand of these has complicated the application scenarios diversified detection targets thereby promoting continuous development sensing materials methods. In recent years, Ti n+1 C n T x ( = 1, 2, 3) MXenes with outstanding optical, electrical, thermal, mechanical properties have been developed ideal candidates to apply physical, chemical, biological fields. this review, depending on optical electrical signals, we systematically summarize nine categories sensors strain, gas, fluorescence sensors. The excellent allow its further emerging intelligent bionic devices, including smart flexible E-skin, neural network coding learning, soft robot, well artificial eardrum, which all discussed briefly review. Finally, present a positive outlook potential future challenges perspectives MXene-based shown vigorous momentum applications can drive an number new technologies.

Language: Английский

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MXene-based nanocomposites: emerging candidates for the removal of antibiotics, dyes, and heavy metal ions

Materials Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 7(22), P. 5519 - 5544

Published: Jan. 1, 2023

Fabrication of MXene-based nanocomposites. Photocatalytic properties membranes for the separation toxic pollutants, such as antibiotic drugs, dyes, etc . nanocomposites absorbents heavy metal removal.

Language: Английский

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WaveFlex Biosensor: A Flexible-Shaped Plasmonic Optical Fiber Sensor for Histamine Detection

IEEE Sensors Journal, Journal Year: 2023, Volume and Issue: 23(19), P. 22533 - 22542

Published: Aug. 18, 2023

In this work, a combination of simulation and experiment is used to analyze the distribution evanescent field in W-shaped optical fiber. A novel flexible fiber (FWOF) biosensor based on localized surface plasmon resonance (LSPR) effect (also known as WaveFlex biosensor) designed fabricated for detecting histamine food. First, gold nanoparticles (AuNPs) are immobilized FWOF probe's excite LSPR effect. Second, niobium carbide (Nb $_{{{2}}}$ CT notation="LaTeX">$_{\mathrm {x}}$ ) MXene molybdenum disulfide (MoS -NPs) sensing area probe improve reaction area. larger can offer more immobilization sites biomolecules. Meanwhile, enhance specificity probe, diamine oxidase (DAO) enzyme functionalized nanomaterials (NMs)-immobilized probe. The absorption spectrum microscopic characterized measured using an ultraviolet-visible (UV-Vis) spectrophotometer high-resolution transmission electron microscope. results NMs verified by scanning microscopy. order further explore performance sensor, pH testing, stability reproducibility, repeatability, testing also carried out. proposed sensor has linear detection range 0– notation="LaTeX">$1000 ~\mu \text{M}$ , limit notation="LaTeX">$52.5 sensitivity 4.4 pm/ notation="LaTeX">$\mu .

Language: Английский

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Doped MXenes—A new paradigm in 2D systems: Synthesis, properties and applications

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 139, P. 101166 - 101166

Published: July 22, 2023

Since 2011, 2D transition metal carbides, carbonitrides and nitrides known as MXenes have gained huge attention due to their attractive chemical electronic properties. The diverse functionalities of make them a promising candidate for multitude applications. Recently, doping MXene with metallic non-metallic elements has emerged an exciting new approach endow properties this systems, opening paradigm theoretical experimental studies. In review, we present comprehensive overview on the recent progress in emerging field doped MXenes. We compare different strategies; techniques used characterization discuss enhanced distinct advantages applications such electrocatalysis, energy storage, photovoltaics, electronics, photonics, environmental remediation, sensors, biomedical is elaborated. Additionally, developments photovoltaics electronics are explored provide prospect into specific along underlying mechanisms. Lastly, challenges take forward thriving field.

Language: Английский

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Application Prospects of MXenes Materials Modifications for Sensors

Micromachines, Journal Year: 2023, Volume and Issue: 14(2), P. 247 - 247

Published: Jan. 18, 2023

The first two-dimensional (2D) substance sparked a boom in research since this type of material showed potential promise for applications field sensors. A class 2D transition metal nitrides, carbides, and carbonitrides are referred to as MXenes. Following the 2011 synthesis Ti3C2 from Ti3AlC2, much has been published. Since these materials have several advantages over conventional materials, they extensively researched, synthesized, studied by many organizations. To give readers general understanding well-liked review examines structures MXenes, discusses various procedures, analyzes physicochemistry properties, particularly optical, electronic, structural, mechanical properties. focus is analysis modern advancements development MXene-based sensors, including electrochemical gas biosensors, optical wearable Finally, opportunities challenges further study on creation MXenes-based sensors discussed.

Language: Английский

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MXenes-based adsorbents for environmental remediation

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 342, P. 126982 - 126982

Published: March 4, 2024

Language: Английский

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