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Biosensors, Volume 14, Issue 10

October 2024 - 61 articles

Cover Story: SARS-CoV-2 detection using PCR has a high sensitivity and accuracy but lengthy testing procedure; however, lateral flow tests are rapid but can lack sensitivity and specificity. A point-of-care diagnostic platform that is both rapid and sensitive would have significant value. In this paper, an electrochemical biosensor was developed using methylene blue (MB)-conjugated DNA aptamers to capture nucleocapsid proteins. Specific target binding induces a conformational change, reported as an electrochemical signal due to MB-mediated electron transfer. This single-step, reagent-less biosensor detects SARS-CoV-2 nucleocapsid proteins in saliva within minutes, highlighting its potential as a novel diagnostic solution. View this paper
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Articles (61)

  • Communication
  • Open Access
2 Citations
1,193 Views
9 Pages

21 October 2024

Premature ventricular contractions (PVCs) are a common arrhythmia characterized by ectopic excitations within the ventricles. Accurately estimating the ablation site using an electrocardiogram (ECG) is crucial for the initial classification of PVC or...

  • Article
  • Open Access
2 Citations
2,212 Views
11 Pages

21 October 2024

Arginine has been widely applied in the food industry as coloring agents, flavoring agents, and nutritional fortifiers. It is also one of the major components of feed additives. Currently, methods for the highly selective detection of arginine remain...

  • Article
  • Open Access
1 Citations
2,238 Views
13 Pages

Prediction of Thrombus Formation within an Oxygenator via Bioimpedance Analysis

  • Jan Korte,
  • Tobias Lauwigi,
  • Lisa Herzog,
  • Alexander Theißen,
  • Kai Suchorski,
  • Lasse J. Strudthoff,
  • Jannis Focke,
  • Sebastian V. Jansen,
  • Thomas Gries and
  • Rolf Rossaint
  • + 2 authors

18 October 2024

Blood clot formation inside the membrane oxygenator (MO) remains a risk in extracorporeal membrane oxygenation (ECMO). It is associated with thromboembolic complications and normally detectable only at an advanced stage. Established clinical monitori...

  • Article
  • Open Access
8 Citations
2,516 Views
15 Pages

17 October 2024

Monitoring the progression of Alzheimer’s disease (AD) is crucial for mitigating dementia symptoms, alleviating pain, and improving mobility. Traditionally, AD biomarkers like amyloid plaques are predominantly identified in cerebrospinal fluid...

  • Article
  • Open Access
2 Citations
2,331 Views
13 Pages

17 October 2024

Fluorescence-based aptasensors have been regarded as innovative analytical tools for the detection and quantification of analytes in many fields, including medicine and therapeutics. Using DNA aptamers as the biosensor recognition component, conventi...

  • Article
  • Open Access
4 Citations
2,303 Views
14 Pages

High-Performance Flexible PLA/BTO-Based Pressure Sensor for Motion Monitoring and Human–Computer Interaction

  • Xuguang Sui,
  • Qingmiao Mu,
  • Jia Li,
  • Bo Zhao,
  • Hongxi Gu,
  • Han Yu,
  • Juan Du,
  • Lijun Ren and
  • Dengwei Hu

17 October 2024

Flexible electronics show wide application prospects in electronic skin, health monitoring, and human–machine interfacing. As an essential part of flexible electronics, flexible pressure sensors have become a compelling subject of academic rese...

  • Editorial
  • Open Access
3 Citations
2,139 Views
3 Pages

17 October 2024

As a new technique for precisely controlling micro-/nanoparticles and fluids at the microscale, microfluidics has been attracting increased interest in the fields of material science, medical diagnosis, biological research, and even soft robotics [...]

  • Review
  • Open Access
2 Citations
1,838 Views
17 Pages

Role of Peroxynitrite in the Pathogenesis of Parkinson’s Disease and Its Fluorescence Imaging-Based Detection

  • Jiye Lv,
  • Feiyu Chen,
  • Changchan Zhang,
  • Yubing Kang,
  • Yan Yang and
  • Chengwu Zhang

17 October 2024

Parkinson’s disease (PD) is the second most common neurodegenerative disorder, affecting the lives of millions of people worldwide. Although the mechanism underlying PD pathogenesis is largely undefined, increasing evidence indicates that oxida...

  • Article
  • Open Access
2 Citations
2,195 Views
16 Pages

SDBS-AEO Mixture for Triton X-100 Replacement: Surface Activity and Application in Biosensors

  • Zhenzhen Li,
  • Lei Wang,
  • Mengjie Tang,
  • Yulong Sun,
  • Li Zhang and
  • Zhongxiu Chen

16 October 2024

Triton X-100 (TX-100) is a commonly used surfactant in the manufacture of biosensors. The factors limiting the use of TX-100 in biosensors are environmental concerns. In this study, the binary system of sodium dodecyl benzene sulfonate (SDBS) and fat...

  • Article
  • Open Access
14 Citations
3,323 Views
18 Pages

A Machine Learning Assisted Non-Enzymatic Electrochemical Biosensor to Detect Urea Based on Multi-Walled Carbon Nanotube Functionalized with Copper Oxide Micro-Flowers

  • Jitendra B. Zalke,
  • Manish L. Bhaiyya,
  • Pooja A. Jain,
  • Devashree N. Sakharkar,
  • Jayu Kalambe,
  • Nitin P. Narkhede,
  • Mangesh B. Thakre,
  • Dinesh R. Rotake,
  • Madhusudan B. Kulkarni and
  • Shiv Govind Singh

15 October 2024

Detecting urea is crucial for diagnosing related health conditions and ensuring timely medical intervention. The addition of machine learning (ML) technologies has completely changed the field of biochemical sensing, providing enhanced accuracy and r...

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Biosensors - ISSN 2079-6374Creative Common CC BY license