An electrochemical biosensor based on CuFe PBA/MoS2 nanocomposites for stable and sensitive detection of hydrogen peroxide and carcinoembryonic antigen

Article Chemistry, Multidisciplinary

Detection of Glial Fibrillary Acidic Protein in Patient Plasma Using On-Chip Graphene Field-Effect Biosensors, in Comparison with ELISA and Single-Molecule Array

Lizhou Xu et al.

Summary: The study presents an innovative GFET biosensing method for sensitive and rapid detection of GFAP in patient plasma, holding great promise for diagnostic applications.

ACS SENSORS (2022)

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Article Biophysics

Multiplexed immunosensors for point-of-care diagnostic applications

Bruno Gil Rosa et al.

Summary: Accurate and cost-effective multiplexed immunosensors are important for early diagnosis and monitoring of progressive diseases. This review compares different techniques for the development of multiplexed immunosensors and discusses the barriers and potential solutions for translating this strategy into clinical practice.

BIOSENSORS & BIOELECTRONICS (2022)

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Article Chemistry, Multidisciplinary

A Sandwich-Type Electrochemical Immunosensor Using Antibody-Conjugated Pt-Doped CdTe QDs as Enzyme-Free Labels for Sensitive HER2 Detection Based on a Magnetic Framework

Hosna Ehzari et al.

Summary: This article introduces an electrochemical sandwich-type immunosensor for the detection of HER2 tumor marker. The sensor utilizes magnetic framework and gold nanoparticles as the sensing platform, immobilizes antibodies and uses titanium-doped CdTe quantum dots as labeling signal biomolecules for quantitative analysis of HER2 concentration. The sensor demonstrates good stability and reproducibility.

FRONTIERS IN CHEMISTRY (2022)

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Review Chemistry, Multidisciplinary

Natural Biopolymer-Based Biocompatible Conductors for Stretchable Bioelectronics

Chunya Wang et al.

Summary: This review focuses on recent advances in biocompatible conductors based on natural biopolymers for stretchable bioelectronics, including representative biopolymers such as protein, polypeptide, and polysaccharide. The review summarizes the chemical structure and properties of these biopolymers, discusses their interface with electronic components and biological tissue, as well as various fabrication techniques and applications.

CHEMICAL REVIEWS (2021)

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Article Chemistry, Multidisciplinary

Graphene Enabled Low-Noise Surface Chemistry for Multiplexed Sepsis Biomarker Detection in Whole Blood

Uros Zupancic et al.

Summary: The study introduces an EC sensor platform with a nanocomposite coating that enables simultaneous detection of multiple sepsis biomarkers, showing a good correlation with clinical samples. This platform offers a sensitive and specific tool for clinical point-of-care diagnostics.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Review Chemistry, Analytical

A critical review on quantum dots: From synthesis toward applications in electrochemical biosensors for determination of disease-related biomolecules

Mohammad Ali Farzin et al.

Summary: Fluorescent quantum dots (QDs) with unique structural and photochemical properties are promising platforms for sensing applications. Their ability to enhance signal and functionalize with bioreceptors make them valuable for early disease diagnosis. Further research on understanding the electronic properties and synthesis methods is needed to explore their potential in electrochemistry-based biosensing strategies.

TALANTA (2021)

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Article Chemistry, Analytical

Signal amplification of novel sandwich-type genosensor via catalytic redox-recycling on platform MWCNTs/Fe3O4@TMU-21 for BRCA1 gene detection

Hosna Ehzari et al.

Summary: The novel genosensor utilizing redox cycling for BRCA1 gene detection enhances sensitivity and signal-to-noise ratio, showing high selectivity, stability, and reproducibility for laboratory gene measurement.

TALANTA (2021)

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Article Chemistry, Applied

Competitive plasmonic biomimetic enzyme-linked immunosorbent assay for sensitive detection of bisphenol A

Min Jia et al.

Summary: The PBELISA method using plasmonic biomimetic technology combined with MIP film and CAT-mediated AuNPs growth achieved ultra-sensitive visual detection of BPA; with a visual limit of detection of 40 pg/mL, the method showed good dynamic linear response and high recovery rates.

FOOD CHEMISTRY (2021)

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Article Chemistry, Analytical

Reproducible, shelf-stable, and bioaffinity SERS nanotags inspired by multivariate polyphenolic chemistry for bacterial identification

Lunjie Huang et al.

Summary: A multivariate scheme enabled by polyphenolic chemistry was proposed for the green synthesis of metal-phenolic networks (MPNs)-encapsulated silver SERS nanotags, which showed remarkable SERS properties and bacterial affinity. This approach enabled rapid, reproducible, and interference-free SERS detection of target bacteria in food samples, demonstrating the potential of polyphenolic chemistry in food safety detection.

ANALYTICA CHIMICA ACTA (2021)

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Review Chemistry, Analytical