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Biosensors, Volume 12, Issue 4

April 2022 - 73 articles

Cover Story: To manage and control the spread of the infection, a widely available and highly usable sensor for a sensitive and specific assay of the virus plays a fundamental role. In this study, we developed an optical sensor based on an imprinted photonic crystal film (IPCF) for the quick, simple, and cost-effective detection of SARS-CoV-2 spike protein in artificial saliva. Our IPCF sensor enabled label-free and highly sensitive detection with a smartphone-equipped optical setup. Specific and quantitative detection of the spike protein was successfully achieved, with a low detection limit of 429 fg/mL. In addition, it costs less than USD 1 for one IPCF to be used for diagnosis. Thus, the developed IPCF has the potential to provide a widely available and highly usable sensor. View this paper
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Articles (73)

  • Article
  • Open Access
6 Citations
3,755 Views
12 Pages

An iEEG Recording and Adjustable Shunt-Current Conduction Platform for Epilepsy Treatment

  • Changhua You,
  • Lei Yao,
  • Pan Yao,
  • Li Li,
  • Ping Ding,
  • Shuli Liang,
  • Chunxiu Liu and
  • Ning Xue

15 April 2022

This paper proposes a compact bioelectronics sensing platform, including a multi-channel electrode, intracranial electroencephalogram (iEEG) recorder, adjustable galvanometer, and shunt-current conduction circuit pathway. The developed implantable el...

  • Article
  • Open Access
11 Citations
3,603 Views
17 Pages

15 April 2022

The increasing levels of environmental estrogens are causing negative effects on water, soil, wildlife, and human beings; label-free immunosensors with high specificities and sensitivities are being developed to test estrogeneous chemicals in complex...

  • Article
  • Open Access
7 Citations
3,863 Views
23 Pages

Optimization Strategies Used for Boosting Piezoelectric Response of Biosensor Based on Flexible Micro-ZnO Composites

  • Xiaoting Zhang,
  • Jose Villafuerte,
  • Vincent Consonni,
  • Eirini Sarigiannidou,
  • Jean-Fabien Capsal,
  • Alexis Bruhat,
  • Daniel Grinberg,
  • Lionel Petit,
  • Pierre-Jean Cottinet and
  • Minh-Quyen Le

14 April 2022

Piezoelectric ZnO-based composites have been explored as a flexible and compact sensor for the implantable biomedical systems used in cardio surgery. In this work, a progressive development route was investigated to enhance the performance of piezoel...

  • Review
  • Open Access
31 Citations
7,567 Views
36 Pages

Graphene-Based Biosensors for Molecular Chronic Inflammatory Disease Biomarker Detection

  • Isidro Badillo-Ramírez,
  • Yojana J. P. Carreón,
  • Claudia Rodríguez-Almazán,
  • Claudia M. Medina-Durán,
  • Selene R. Islas and
  • José M. Saniger

14 April 2022

Chronic inflammatory diseases, such as cancer, diabetes mellitus, stroke, ischemic heart diseases, neurodegenerative conditions, and COVID-19 have had a high number of deaths worldwide in recent years. The accurate detection of the biomarkers for chr...

  • Article
  • Open Access
4 Citations
5,540 Views
11 Pages

Fiber-Enhanced Stimulated Raman Scattering and Sensitive Detection of Dilute Solutions

  • Li Guo,
  • Jing Huang,
  • Yaxin Chen,
  • Bohan Zhang and
  • Minbiao Ji

14 April 2022

Stimulated Raman scattering (SRS) is known to gain coherent amplification of molecular vibrations that allow for rapid and label-free chemical imaging in the microscopy setting. However, the tightly focused laser spot has limited the detection sensit...

  • Article
  • Open Access
23 Citations
5,811 Views
11 Pages

14 April 2022

Residue and illegal addition of Dexamethasone (DEX) in food has received widespread attention over the past few decades. Long-term intake of DEX will have a strong endocrine-disrupting effect, and there is an urgent need to develop highly sensitive a...

  • Article
  • Open Access
30 Citations
5,366 Views
21 Pages

Novel Screen-Printed Sensor with Chemically Deposited Boron-Doped Diamond Electrode: Preparation, Characterization, and Application

  • Oleksandr Matvieiev,
  • Renáta Šelešovská,
  • Marian Vojs,
  • Marián Marton,
  • Pavol Michniak,
  • Vojtěch Hrdlička,
  • Michal Hatala,
  • Lenka Janíková,
  • Jaromíra Chýlková and
  • Jana Skopalová
  • + 2 authors

13 April 2022

New screen-printed sensor with a boron-doped diamond working electrode (SP/BDDE) was fabricated using a large-area linear antenna microwave chemical deposition vapor system (LA-MWCVD) with a novel precursor composition. It combines the advantages of...

  • Article
  • Open Access
13 Citations
3,052 Views
10 Pages

Rapid Detection of Deoxynivalenol in Dry Pasta Using a Label-Free Immunosensor

  • Francesca Malvano,
  • Roberto Pilloton,
  • Alfredo Rubino and
  • Donatella Albanese

13 April 2022

This work focused on the development and optimization of an impedimetric label-free immunosensor for detecting deoxynivalenol (DON). A monoclonal antibody for DON detection was immobilized on a modified gold electrode with a cysteamine layer and poly...

  • Review
  • Open Access
56 Citations
10,237 Views
17 Pages

13 April 2022

Each year, unwanted plant pests and diseases, such as Hendel or potato soft rot, cause damage to crops and ecosystems all over the world. To continue to feed the growing population and protect the global ecosystems, the surveillance and management of...

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Biosensors - ISSN 2079-6374