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Biosensors, Volume 7, Issue 2

June 2017 - 9 articles

Cover Story: Given the continuously increasing interest in optical fiber sensors (OFS), a metrological assessment of grating-based OFSs is proposed with the aim of providing an objective evaluation of performance. Attention focused on the most common parameters used to describe the performance of both optical refractometers and biosensors, and on some other parameters of generic interest. The same concepts can also be applied to any resonance-based sensor, thus providing the basis for an easier and direct performance comparison of a great number of sensors that have been reported in literature to date. View this paper
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Articles (9)

  • Article
  • Open Access
39 Citations
9,303 Views
12 Pages

A Multi-Wavelength Opto-Electronic Patch Sensor to Effectively Detect Physiological Changes against Human Skin Types

  • Liangwen Yan,
  • Sijung Hu,
  • Abdullah Alzahrani,
  • Samah Alharbi and
  • Panagiotis Blanos

21 June 2017

Different skin pigments among various ethnic group people have an impact on spectrometric illumination on skin surface. To effectively capture photoplethysmographic (PPG) signals, a multi-wavelength opto-electronic patch sensor (OEPS) together with a...

  • Review
  • Open Access
388 Citations
15,831 Views
29 Pages

Towards a Uniform Metrological Assessment of Grating-Based Optical Fiber Sensors: From Refractometers to Biosensors

  • Francesco Chiavaioli,
  • Carlos A. J. Gouveia,
  • Pedro A. S. Jorge and
  • Francesco Baldini

21 June 2017

A metrological assessment of grating-based optical fiber sensors is proposed with the aim of providing an objective evaluation of the performance of this sensor category. Attention was focused on the most common parameters, used to describe the perfo...

  • Article
  • Open Access
42 Citations
9,051 Views
12 Pages

An Enzyme-Induced Novel Biosensor for the Sensitive Electrochemical Determination of Isoniazid

  • Rajasekhar Chokkareddy,
  • Natesh Kumar Bhajanthri and
  • Gan G. Redhi

In this present work, a glassy carbon electrode (GCE) was modified primarily with multiwalled carbon nanotubes (MWCNTs) and a composite of MWCNTs and titanium oxide nanoparticles (TiO2NPs). The enzyme horseradish peroxidase (HRP) was immobilized to e...

  • Article
  • Open Access
15 Citations
9,034 Views
12 Pages

Raman Spectroscopy of Head and Neck Cancer: Separation of Malignant and Healthy Tissue Using Signatures Outside the “Fingerprint” Region

  • Stephen Holler,
  • Elaina Mansley,
  • Christopher Mazzeo,
  • Michael J. Donovan,
  • Maximiliano Sobrero and
  • Brett A. Miles

The ability to rapidly and accurately discriminate between healthy and malignant tissue offers surgeons a tool for in vivo analysis that would potentially reduce operating time, facilitate quicker recovery, and improve patient outcomes. To this end,...

  • Article
  • Open Access
9 Citations
10,223 Views
11 Pages

A Label-Free, Quantitative Fecal Hemoglobin Detection Platform for Colorectal Cancer Screening

  • Gita V. Soraya,
  • Thanh C. Nguyen,
  • Chathurika D. Abeyrathne,
  • Duc H. Huynh,
  • Jianxiong Chan,
  • Phuong D. Nguyen,
  • Babak Nasr,
  • Gursharan Chana,
  • Patrick Kwan and
  • Efstratios Skafidas

The early detection of colorectal cancer is vital for disease management and patient survival. Fecal hemoglobin detection is a widely-adopted method for screening and early diagnosis. Fecal Immunochemical Test (FIT) is favored over the older generati...

  • Article
  • Open Access
59 Citations
12,336 Views
13 Pages

17 April 2017

This study demonstrates the rapid and label-free detection of Interleukin-6 (IL-6) using carbon nanotube micro-arrays with aptamer as the molecular recognition element. Single wall carbon nanotubes micro-arrays biosensors were manufactured using phot...

  • Article
  • Open Access
8 Citations
7,328 Views
7 Pages

30 March 2017

Due to the high internal quantum efficiency, reaction center (RC) proteins from photosynthetic organisms have been studied in various bio-photoelectrochemical devices for solar energy harvesting. In vivo, RC and cytochrome c (cyt c; a component of th...

  • Article
  • Open Access
45 Citations
12,891 Views
13 Pages

29 March 2017

Environmental estrogen pollution and estrogen effects on the female reproductive system are well recognized scientifically. Among the estrogens, 17 β-estradiol is a priority in environmental estrogen pollution, and it is also a major contributor to e...

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Biosensors - ISSN 2079-6374