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Biosensors, Volume 10, Issue 1

January 2020 - 7 articles

Cover Story: Graphene is a one-atom-thick, two-dimensional, honey-comb arrangement of hybridized carbon atoms with extraordinary electrical conductivity. Since most biological media and cell cultures are aqueous, a stable and processable dispersion of aqueous graphene is essential for the survival of cells in electrophysiological applications. Herein, we combined the shear force of low-speed ball milling with stabilizing characteristics of an edible protein to exfoliate graphene from pristine graphite in water. The produced graphene solution was formulized as a conductive ink, 3D-printed into a flexible substrate, and consolidated via a strong electrostatic field. Ultimately, the biocompatibility of these conductive patterns is demonstrated in the presence of neuronal cells.View this paper.
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Articles (7)

  • Article
  • Open Access
7 Citations
5,542 Views
17 Pages

Disturbing-Free Determination of Yeast Concentration in DI Water and in Glucose Using Impedance Biochips

  • Mahdi Kiani,
  • Nan Du,
  • Manja Vogel,
  • Johannes Raff,
  • Uwe Hübner,
  • Ilona Skorupa,
  • Danilo Bürger,
  • Stefan E. Schulz,
  • Oliver G. Schmidt and
  • Daniel Blaschke
  • + 1 author

19 January 2020

Deionized water and glucose without yeast and with yeast (Saccharomyces cerevisiae) of optical density OD600 that ranges from 4 to 16 has been put in the ring electrode region of six different types of impedance biochips and impedance has been measur...

  • Article
  • Open Access
34 Citations
7,322 Views
14 Pages

High-Yield Production of Aqueous Graphene for Electrohydrodynamic Drop-on-Demand Printing of Biocompatible Conductive Patterns

  • Amir Ehsan Niaraki Asli,
  • Jingshuai Guo,
  • Pei Lun Lai,
  • Reza Montazami and
  • Nicole N. Hashemi

17 January 2020

Presented here is a scalable and aqueous phase exfoliation of graphite to high yield and quality of few layer graphene (FLG) using Bovine Serum Albomine (BSA) and wet ball milling. The produced graphene ink is tailored for printable and flexible elec...

  • Feature Paper
  • Review
  • Open Access
123 Citations
15,337 Views
32 Pages

Grafting of Diazonium Salts on Surfaces: Application to Biosensors

  • Dardan Hetemi,
  • Vincent Noël and
  • Jean Pinson

15 January 2020

This review is divided into two parts; the first one summarizes the main features of surface modification by diazonium salts with a focus on most recent advances, while the second part deals with diazonium-based biosensors including small molecules o...

  • Article
  • Open Access
7 Citations
6,659 Views
14 Pages

28 December 2019

Peptide and protein micropatterns are powerful tools for the investigation of various cellular processes, including protein–protein interactions (PPIs). Within recent years, various approaches for the production of functional surfaces have been...

  • Review
  • Open Access
75 Citations
15,637 Views
28 Pages

Nanomaterials for Biosensing Lipopolysaccharide

  • Palak Sondhi,
  • Md Helal Uddin Maruf and
  • Keith J. Stine

21 December 2019

Lipopolysaccharides (LPS) are endotoxins, hazardous and toxic inflammatory stimulators released from the outer membrane of Gram-negative bacteria, and are the major cause of septic shock giving rise to millions of fatal illnesses worldwide. There is...

  • Article
  • Open Access
27 Citations
6,855 Views
16 Pages

Complexity Measures of Voice Recordings as a Discriminative Tool for Parkinson’s Disease

  • Rekha Viswanathan,
  • Sridhar P. Arjunan,
  • Adrian Bingham,
  • Beth Jelfs,
  • Peter Kempster,
  • Sanjay Raghav and
  • Dinesh K. Kumar

20 December 2019

In this paper, we have investigated the differences in the voices of Parkinson’s disease (PD) and age-matched control (CO) subjects when uttering three phonemes using two complexity measures: fractal dimension (FD) and normalised mutual informa...

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Biosensors - ISSN 2079-6374