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Biosensors, Volume 14, Issue 11

November 2024 - 49 articles

Cover Story: Preeclampsia (PE) is a serious complication that is often asymptomatic until the second or third trimester, leading to poor outcomes. Detection is challenging in low- and middle-income countries due to limited testing facilities and high PE-related maternal mortality. Variations in hsa-miR-17-5p levels are potential early indicators of PE during the first trimester. We developed a proof-of-principle lateral-flow assay to measure hsa-miR-17-5p levels, employing DNA-hairpin recognition elements for enhanced specificity and nanoprobes for sensitive surface-enhanced Raman scattering signal transduction. Our assay achieved a theoretical limit of detection of 3.84 × 10−4 pg/μL, demonstrating potential for rapid, accessible early screening of PE, which could improve maternal health outcomes globally. View this paper
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Articles (49)

  • Article
  • Open Access
3 Citations
1,446 Views
19 Pages

Peroxidase-like Nanoparticles of Noble Metals Stimulate Increasing Sensitivity of Flavocytochrome b2-Based L-Lactate Biosensors

  • Galina Gayda,
  • Olha Demkiv,
  • Nataliya Stasyuk,
  • Yuriy Boretsky,
  • Mykhailo Gonchar and
  • Marina Nisnevitch

20 November 2024

We report the development of amperometric biosensors (ABSs) employing flavocytochrome b2 (Fcb2) coupled with nanoparticles (NPs) of noble metals on graphite electrode (GE) surfaces. Each NPs/GE configuration was evaluated for its ability to decompose...

  • Review
  • Open Access
10 Citations
4,229 Views
27 Pages

Recent Advances in the Fabrication and Application of Electrochemical Paper-Based Analytical Devices

  • Zarfashan Shahid,
  • Kornautchaya Veenuttranon,
  • Xianbo Lu and
  • Jiping Chen

20 November 2024

In response to growing environmental concerns, the scientific community is increasingly incorporating green chemistry principles into modern analytical techniques. Electrochemical paper-based analytical devices (ePADs) have emerged as a sustainable a...

  • Review
  • Open Access
64 Citations
31,893 Views
30 Pages

18 November 2024

Wearable biosensors are a fast-evolving topic at the intersection of healthcare, technology, and personalized medicine. These sensors, which are frequently integrated into clothes and accessories or directly applied to the skin, provide continuous, r...

  • Article
  • Open Access
6 Citations
4,386 Views
16 Pages

A Paper-Based Assay for the Determination of Total Antioxidant Capacity in Human Serum Samples

  • Michelle T. Tran,
  • Sophia V. Gomez,
  • Vera Alenicheva and
  • Vincent T. Remcho

18 November 2024

Determining the total antioxidant capacity (TAC) of biological samples is a valuable approach to measuring health status under oxidative stress conditions, such as infertility and type 2 diabetes. The Trolox equivalent antioxidant capacity (TEAC) ass...

  • Article
  • Open Access
2 Citations
3,578 Views
21 Pages

17 November 2024

This study presents a rapid and comprehensive method for screening mushroom extracts for the putative discovery of bioactive molecules, including those exhibiting antimicrobial activity. This approach utilizes a panel of bioluminescent bacteria, whos...

  • Article
  • Open Access
1 Citations
2,852 Views
20 Pages

Portable Miniaturized IoT-Enabled Point-of-Care Device for Electrochemical Sensing of Zopiclone in Cocktails

  • María Gabriela Mejía-Méndez,
  • Paula C. Cifuentes-Delgado,
  • Sergio D. Gómez,
  • Crhistian C. Segura,
  • Nancy Ornelas-Soto and
  • Johann F. Osma

16 November 2024

This study proposes a portable and IoT-based electrochemical point-of-care sensing device for detecting zopiclone in cocktails. The system utilizes an electrochemical laccase biosensor and a potentiostat, offering a low-cost and portable device for d...

  • Review
  • Open Access
3 Citations
6,039 Views
34 Pages

Commercial Wearables for the Management of People with Autism Spectrum Disorder: A Review

  • Jonathan Hernández-Capistrán,
  • Giner Alor-Hernández,
  • Humberto Marín-Vega,
  • Maritza Bustos-López,
  • Laura Nely Sanchez-Morales and
  • Jose Luis Sanchez-Cervantes

15 November 2024

Autism Spectrum Disorder (ASD) necessitates comprehensive management, addressing complex challenges in social communication, behavioral regulation, and sensory processing, for which wearable technologies offer valuable tools to monitor and support in...

  • Article
  • Open Access
1 Citations
1,556 Views
14 Pages

14 November 2024

Copper, along with gold, was among the first metals that humans employed. Thus, the copper pollution of the world’s water resources is escalating, posing a significant threat to human health and aquatic ecosystems. It is crucial to develop dete...

  • Review
  • Open Access
3 Citations
1,949 Views
19 Pages

13 November 2024

The minimal instrumentation of portable medical diagnostic devices for point-of-care applications is facilitated by using chemical heating in place of temperature-regulated electrical heaters. The main applications are for isothermal nucleic acid amp...

  • Article
  • Open Access
4 Citations
3,043 Views
19 Pages

Hybrid Functional Near-Infrared Spectroscopy System and Electromyography for Prosthetic Knee Control

  • Nouf Jubran AlQahtani,
  • Ibraheem Al-Naib,
  • Ijlal Shahrukh Ateeq and
  • Murad Althobaiti

13 November 2024

The increasing number of individuals with limb loss worldwide highlights the need for advancements in prosthetic knee technology. To improve control and quality of life, integrating brain–computer communication with motor imagery offers a promi...

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Biosensors - ISSN 2079-6374