Showing papers in "Bioelectrochemistry in 2021"

TL;DR: In this article, the authors review the mechanisms of cell death after electroporation reported in literature, cell injuries that may lead to cell death, and membrane repair mechanisms involved, and identify the targets of electric field in cells need to be identified to optimize existing and develop of new electrophoration-based techniques used in medicine, biotechnology, and food technology.

TL;DR: Electrochemical aptasensors are highly promising for medical diagnostic and ternary layers could improve the limit of detection, especially for HER2 protein detection.

TL;DR: A comprehensive overview of the mechanisms of MICI under different conditions and their advantages and disadvantages for potential applications in corrosion protection can be found in this article, where the authors provide a comprehensive review of the MICI mechanisms and their potential applications.

TL;DR: A manganese oxide nanoparticles based electrochemical immunosensor for the detection of Aflatoxin-B1 (AFB1) using purely synthesized Mn2O3nps with an average crystallite size of 31.5 nm is presented.

TL;DR: The proposed C60/MWCNTs-PEI/PQdot/APT aptasensor has good reproducibility, great selectivity, low response time and a good stability during its storage and can be useful in bioengineering and biomedicine applications as well as for clinical studies.

TL;DR: The MEA successfully detected T4 in human serum samples and was compared with those from the ELISA standard method, showing good agreement between the two methods.

TL;DR: The results suggested the Ag/Co-N-C nanosheets can serve as a promising cathode catalyst for practical applications of MFCs.

TL;DR: The synergistic effect of rGO and PDA effectively enhanced startup speed, power generation and pollutant degradation.

TL;DR: Recent advances in the development of electrochemical sensors and bio-sensors for AMX analysis in complex matrices such as pharmaceuticals, biological fluids, environmental water and foodstuffs are discussed.

TL;DR: In this paper, a bio-nanocomposites based highly sensitive and label-free electrochemical immunosensor is reported with the aim of endometriosis diagnostics application.

TL;DR: A Gemini surfactant containing semi-rigid spacer was used to investigate the anti-bacterial and anti-corrosion performances of carbon steel in simulated seawater by weight-loss test, electrochemical method and surface morphology analysis, and showed that the inhibition efficiency of 0.01 mM 12-B-12 was as high as 98.3% after 30 days of incubation in simulate seawater with SRB.

TL;DR: In this paper, a reduced graphene oxide-chitosan-gold nanoparticles composite was used as a biocompatible substrate for the receptor stabilization, and the significant function of the aptamer on this composite is due to the synergistic effects of the components in improving the properties of the composite, including increasing electrical conductivity and effective surface area.

TL;DR: A rational assessment on contribution of aryldiazonium electrografting in developing CNs-based electrochemical biosensors is provided and some of the emerging challenges to be surpassed to effectively implement this methodology for in vivo and point of care analysis are also highlighted.

TL;DR: Graphitic carbon nitride (g-C3N4) is modified with platinum and zinc oxide for non-enzymatic electrochemical glucose sensing in physiological conditions for the first time in the literature.

TL;DR: In this paper, the authors reported results of the studies related to the fabrication of thionine functionalized graphitic carbon nitride nanosheets based ultrasensing platform for food toxin (Aflatoxin B1, AfB1) detection.

TL;DR: This research employed AuNSs-enhanced electrochemiluminescence (ECL) emission from graphitic carbon nitride nanosheets (g-CN nanOSheets) to detect CD133 peptide as a cancer stem cell membrane biomarker.

TL;DR: It was found that at 1 kV cm-1 that cultures recovered after 72 h that PEF conditions constituted a good compromise between protein extraction efficiency and culture survival, and a biocompatibility index (BI) was defined as the relative abundance of cells that remained alive after the PEF treatment.

TL;DR: In this article, a ratio-typed electrochemical immunosensor was constructed for reliable and sensitive assay of Procalcitonin (PCT) based on hierarchical PtCoIr nanowires/polyethylene polyamine-grafted-ferrocene (PtCoIr HNWs/PEPA-Fc) and porous SiO2@Ag nanoparticles-toluidine blue.

TL;DR: In this article, a 20-ppm (w/w) riboflavin (an electron mediator) acceleration of C1018 carbon steel MIC by Desulfovibrio ferrophilus IS5 in enriched artificial seawater (EASW) after 7-d incubation in anaerobic vials at 28°C.

TL;DR: In this article, the effects of nanosecond pulse parameters (voltage, pulse duration, number of pulses) on cell membrane permeabilization, resealing and on cell survival after electroporation only and after electrochemotherapy with bleomycin and cisplatin were evaluated on Chinese hamster ovary cells.

TL;DR: Microbial community analyses indicated that hydrogen-mediated acetogenesis was carried out by Clostridium, Eubacterium and Acetobacterium, whereas Oscillibacter and Caproiciproducens were involved in butyric acid production, and the cathodic community was spatially inhomogeneous.

TL;DR: In this article, an advanced molecularly imprinted electrochemical sensor with high sensitivity and selectivity for the detection of Human immunoglobulin G (IgG) was successfully constructed.

TL;DR: In this article, a paper-based microfluidic aptasensor for label-free electrochemical detection of programmed death ligand 1 (PD-L1) in liquids was fabricated.

TL;DR: A potential method of peptide aptamer screening and biosensor fabrication for detecting small biological molecules was demonstrated and the optimum biosensor showed good sensitivity to l-Arg.

TL;DR: In this article, different biocathode electrode materials (graphite felt and carbon brush, GF and CB) and exchange membranes (proton exchange membrane and cation exchange membrane, PEM and CEM) were used in three microbial fuel cell (MFC) configurations operated for 300-days to investigate the power generation and the COD and N removal performance.

TL;DR: Electrochemical results confirm that anti-EpCAM/MoS2@rGO/ITO based biosensor can detect EpCAM in the concentration range of 0.001-20 ng mL-1 with a detection limit of 44.22 fg mL-1 (S/N = 3).

TL;DR: Results show that the electrochemical aptasensor designed for GPC3 detection with the reduced graphene oxide-hemin nanocomposites modified on the screen-printed electrode surface has good specificity, sensitivity, stability and reproducibility for G PC3 detection.

TL;DR: In this article, the most widely applied cathode materials could be categorized into three classes, namely carbon-base materials, metal-based materials, and biocatalysts.

TL;DR: The development steps of the aptasensor were partnered for the first time to a computational study to gain insights onto the molecular mechanisms involved into the interaction between a thiol-tethered DNA aptamer and DON.

TL;DR: In this article, a highly sensitive electrochemical sensor for the simultaneous dual signal determination of dopamine (DA), uric acid (UA) and glucose (Glu) has been obtained using nanocomposites based on the copper and cerium bimetallic nanoparticles and carbon nanomaterials of graphene and single-walled carbon nanotubes in the presence of Tween 20 (GR-SWCNT-Ce-Cu-Tween 20) modified glassy carbon electrode.