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Biosensors, Volume 11, Issue 8

August 2021 - 49 articles

Cover Story: Point-of-care monitoring of hydrogen peroxide is important due to its wide usage in biomedicine, households and industry. Wei and co-authors from Xi’an Jiaotong University have developed a paper sensor for sensitive, visual and selective detection of H2O2 using mesoporous metal oxide hollow spheres as a nanozyme. The obtained paper sensor can be effectively used for detection of H2O2 in the range of 2.4–150 µM. This work provides a low-cost paper sensor fabricated from a mesoporous metal oxide nanozyme. These sensors could be potentially used in bioanalysis, food security and environmental protection. View this paper.
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Articles (49)

  • Article
  • Open Access
3 Citations
4,037 Views
10 Pages

SPR-Based Kinetic Analysis of the Early Stages of Infection in Cells Infected with Human Coronavirus and Treated with Hydroxychloroquine

  • Petia Genova-Kalou,
  • Georgi Dyankov,
  • Radoslav Marinov,
  • Vihar Mankov,
  • Evdokiya Belina,
  • Hristo Kisov,
  • Velichka Strijkova-Kenderova and
  • Todor Kantardjiev

26 July 2021

Cell-based assays are a valuable tool for examination of virus–host cell interactions and drug discovery processes, allowing for a more physiological setting compared to biochemical assays. Despite the fact that cell-based SPR assays are label-free a...

  • Review
  • Open Access
105 Citations
14,302 Views
18 Pages

26 July 2021

The global damage that a widespread viral infection can cause is evident from the ongoing COVID-19 pandemic. The importance of virus detection to prevent the spread of viruses has been reaffirmed by the pandemic and the associated social and economic...

  • Article
  • Open Access
6 Citations
3,995 Views
11 Pages

Effective Cryopreservation of a Bioluminescent Auxotrophic Escherichia coli-Based Amino Acid Array to Enable Long-Term Ready-to-Use Applications

  • Hee Tae Ahn,
  • In Seung Jang,
  • Thinh Viet Dang,
  • Yi Hyang Kim,
  • Dong Hoon Lee,
  • Hyeun Seok Choi,
  • Byung Jo Yu and
  • Moon Il Kim

26 July 2021

Amino acid arrays comprising bioluminescent amino acid auxotrophic Escherichia coli are effective systems to quantitatively determine multiple amino acids. However, there is a need to develop a method for convenient long-term preservation of the arra...

  • Article
  • Open Access
8 Citations
3,850 Views
16 Pages

Bioelectromagnetic Platform for Cell, Tissue, and In Vivo Stimulation

  • Ryan C. Ashbaugh,
  • Lalita Udpa,
  • Ron R. Israeli,
  • Assaf A. Gilad and
  • Galit Pelled

25 July 2021

Magnetogenetics is a new field that utilizes electromagnetic fields to remotely control cellular activity. In addition to the development of the biological genetic tools, this approach requires designing hardware with a specific set of demands for th...

  • Article
  • Open Access
14 Citations
5,562 Views
14 Pages

On-Chip Glucose Detection Based on Glucose Oxidase Immobilized on a Platinum-Modified, Gold Microband Electrode

  • Julia Madden,
  • Colm Barrett,
  • Fathima R. Laffir,
  • Michael Thompson,
  • Paul Galvin and
  • Alan O’ Riordan

25 July 2021

We report the microfabrication and characterization of gold microband electrodes on silicon using standard microfabrication methods, i.e., lithography and etching techniques. A two-step electrodeposition process was carried out using the on-chip plat...

  • Article
  • Open Access
19 Citations
9,358 Views
13 Pages

CRISPR/Cas12a-Based Ultrasensitive and Rapid Detection of JAK2 V617F Somatic Mutation in Myeloproliferative Neoplasms

  • Miaomiao Chen,
  • Chunhua Zhang,
  • Zhiqing Hu,
  • Zhuo Li,
  • Menglin Li,
  • Lingqian Wu,
  • Miaojin Zhou and
  • Desheng Liang

24 July 2021

The JAK2 V617F mutation is a major diagnostic, therapeutic, and monitoring molecular target of Philadelphia-negative myeloproliferative neoplasms (MPNs). To date, numerous methods of detecting the JAK2 V617F mutation have been reported, but there is...

  • Review
  • Open Access
52 Citations
10,034 Views
43 Pages

An Overview of Artificial Olfaction Systems with a Focus on Surface Plasmon Resonance for the Analysis of Volatile Organic Compounds

  • Marielle El Kazzy,
  • Jonathan S. Weerakkody,
  • Charlotte Hurot,
  • Raphaël Mathey,
  • Arnaud Buhot,
  • Natale Scaramozzino and
  • Yanxia Hou

23 July 2021

The last three decades have witnessed an increasing demand for novel analytical tools for the analysis of gases including odorants and volatile organic compounds (VOCs) in various domains. Traditional techniques such as gas chromatography coupled wit...

  • Review
  • Open Access
155 Citations
28,653 Views
21 Pages

23 July 2021

Recent advances in microfluidics, microelectronics, and electrochemical sensing methods have steered the way for the development of novel and potential wearable biosensors for healthcare monitoring. Wearable bioelectronics has received tremendous att...

  • Review
  • Open Access
82 Citations
9,280 Views
20 Pages

The Role of Peptides in the Design of Electrochemical Biosensors for Clinical Diagnostics

  • Patrick Severin Sfragano,
  • Giulia Moro,
  • Federico Polo and
  • Ilaria Palchetti

23 July 2021

Peptides represent a promising class of biorecognition elements that can be coupled to electrochemical transducers. The benefits lie mainly in their stability and selectivity toward a target analyte. Furthermore, they can be synthesized rather easily...

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Biosensors - ISSN 2079-6374