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Biosensors, Volume 11, Issue 5

May 2021 - 37 articles

Cover Story: Detection of mammalian organisms is based on the observation of footprints. This, however, is not the strategy when it comes to microorganisms, since there are no feet to make the footprints. That said, by using molecular printing, it is possible to create 3D “prints” with shape and chemistry to fit each microorganism. These 3D prints indicate selectivity and high sensitivity since the organism used for creating the imprints is efficiently monitored, while other organisms will not be recognized. The imprint can be reused if it is rinsed between the assays. The limit of detection increases linearly by obtaining a baseline noise. The whole-cell-based microbial biosensors are low cost to prepare, along with having portability by miniaturization. The microorganism-based sensors hold important promise in the early diagnosis, with accurate and rapid detection and appropriate control measurements. View this paper.
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Articles (37)

  • Article
  • Open Access
28 Citations
9,148 Views
11 Pages

Stretchable Capacitive Pressure Sensing Sleeve Deployable onto Catheter Balloons towards Continuous Intra-Abdominal Pressure Monitoring

  • Kirthika Senthil Kumar,
  • Zongyuan Xu,
  • Manivannan Sivaperuman Kalairaj,
  • Godwin Ponraj,
  • Hui Huang,
  • Chi-Fai Ng,
  • Qing Hui Wu and
  • Hongliang Ren

14 May 2021

Intra-abdominal pressure (IAP) is closely correlated with intra-abdominal hypertension (IAH) and abdominal compartment syndrome (ACS) diagnoses, indicating the need for continuous monitoring. Early intervention for IAH and ACS has been proven to redu...

  • Review
  • Open Access
40 Citations
7,733 Views
19 Pages

Molecular Imprinting on Nanozymes for Sensing Applications

  • Ana R. Cardoso,
  • Manuela F. Frasco,
  • Verónica Serrano,
  • Elvira Fortunato and
  • Maria Goreti Ferreira Sales

13 May 2021

As part of the biomimetic enzyme field, nanomaterial-based artificial enzymes, or nanozymes, have been recognized as highly stable and low-cost alternatives to their natural counterparts. The discovery of enzyme-like activities in nanomaterials trigg...

  • Article
  • Open Access
14 Citations
3,965 Views
16 Pages

Fast and Sensitive Determination of the Fungicide Carbendazim in Fruit Juices with an Immunosensor Based on White Light Reflectance Spectroscopy

  • Georgios Koukouvinos,
  • Chrysoula-Evangelia Karachaliou,
  • Ioannis Raptis,
  • Panagiota Petrou,
  • Evangelia Livaniou and
  • Sotirios Kakabakos

13 May 2021

Carbendazim is a systemic benzimidazole-type fungicide with broad-spectrum activity against fungi that undermine food products safety and quality. Despite its effectiveness, carbendazim constitutes a major environmental pollutant, being hazardous to...

  • Article
  • Open Access
28 Citations
5,615 Views
12 Pages

Duplex On-Site Detection of Vibrio cholerae and Vibrio vulnificus by Recombinase Polymerase Amplification and Three-Segment Lateral Flow Strips

  • Pei Wang,
  • Lei Liao,
  • Chao Ma,
  • Xue Zhang,
  • Junwei Yu,
  • Longyu Yi,
  • Xin Liu,
  • Hui Shen,
  • Song Gao and
  • Qunwei Lu

12 May 2021

Vibrio cholerae and Vibrio vulnificus are two most reported foodborne Vibrio pathogens related to seafood. Due to global ocean warming and an increase in seafood consumption worldwide, foodborne illnesses related to infection of these two bacteria ar...

  • Article
  • Open Access
36 Citations
5,220 Views
10 Pages

Non-Enzymatic Glucose Biosensor Based on Highly Pure TiO2 Nanoparticles

  • Hongin Jeong,
  • Jhongryul Yoo,
  • Seokyung Park,
  • Jiling Lu,
  • Sungho Park and
  • Jeseung Lee

11 May 2021

This study proposes a non-enzymatic glucose sensor fabricated by synthesizing high-purity TiO2 nanoparticles in thermal plasma and depositing it directly on a substrate and then depositing chitosan–polypyrrole (CS-PPy) conductive polymer films by ele...

  • Article
  • Open Access
10 Citations
3,354 Views
11 Pages

11 May 2021

As diagnostic biosensors for analyzing fluids from the human body, the development of inorganic NPs is of increasing concern. For one, nanoceramic phosphors have been studied to meet the increasing requirements for biological, imaging, and diagnostic...

  • Article
  • Open Access
13 Citations
5,180 Views
12 Pages

The Spectroscopic Properties and Microscopic Imaging of Thulium-Doped Upconversion Nanoparticles Excited at Different NIR-II Light

  • Tingting Peng,
  • Rui Pu,
  • Baoju Wang,
  • Zhimin Zhu,
  • Kai Liu,
  • Fan Wang,
  • Wei Wei,
  • Haichun Liu and
  • Qiuqiang Zhan

10 May 2021

Lanthanide-doped upconversion nanoparticles (UCNPs) are promising bioimaging nanoprobes due to their excellent photostability. As one of the most commonly used lanthanide activators, Tm3+ ions have perfect ladder-type electron configuration and can b...

  • Article
  • Open Access
34 Citations
5,090 Views
11 Pages

A Portable and Flexible Self-Powered Multifunctional Sensor for Real-Time Monitoring in Swimming

  • Yupeng Mao,
  • Yongsheng Zhu,
  • Tianming Zhao,
  • Changjun Jia,
  • Meiyue Bian,
  • Xinxing Li,
  • Yuanguo Liu and
  • Baodan Liu

A portable and flexible self-powered biosensor based on ZnO nanowire arrays (ZnO NWs) and flexible PET substrate has been designed and fabricated for real-time monitoring in swimming. Based on the piezoelectric effect of polar ZnO NWs, the fabricated...

  • Article
  • Open Access
12 Citations
3,884 Views
15 Pages

Regenerable ZnO/GaAs Bulk Acoustic Wave Biosensor for Detection of Escherichia coli in “Complex” Biological Medium

  • Juliana Chawich,
  • Walid M. Hassen,
  • Céline Elie-Caille,
  • Thérèse Leblois and
  • Jan J. Dubowski

A regenerable bulk acoustic wave (BAW) biosensor is developed for the rapid, label-free and selective detection of Escherichia coli in liquid media. The geometry of the biosensor consists of a GaAs membrane coated with a thin film of piezoelectric Zn...

  • Article
  • Open Access
14 Citations
5,750 Views
13 Pages

Emotional stress negatively affects the quality of a person’s daily life. From a physiological point of view, stress is expressed in the excitation of the hypothalamic–pituitary–adrenal cortex axis, which leads to the release of the hormone cortisol...

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Biosensors - ISSN 2079-6374