Peptide-based passivation strategies were developed to prevent the unintended conjugation of his-tagged enzymes quantum dot (QD) biosensors, enabling application QD biosensors in complex assays such as CRISPR-based diagnostics.

the tanning industry has for a long time been associated as the primal source of pollution tovarious ecosystems wherever they are sited. effluent spewed by these leather industries including particulatematter has remained very complex requiring more advanced techniques to examine. one such avenue is the use of ecotoxicological diagnosis of the tanning sector to comprehend the underlying environ...

Label-free detections of biomolecules have attracted great attention in a lot of life science fields such as genomics, clinical diagnosis and practical pharmacy. In this article, we reviewed amperometric and potentiometric biosensors based on carbon nanotubes (CNTs). In amperometric detections, CNT-modified electrodes were used as working electrodes to significantly enhance electroactive surfac...

The glucose biosensors were prepared by the electropolymerization of the non-conductive polymer, Poly(o-phenylenediamine), onto a planar screen-printed electrode. A fabrication procedure was performed to decrease the waste of expensive enzyme. The amperometric glucose response was measured by the potensiostating of the prepared glucose biosensors at a potential of 0.3 V with ferrocene as mediat...

Electrochemical impedance spectroscopy (EIS) is a sensitive indicator of a wide variety of chemical and physical properties. An increasing trend towards the development of impedimetric biosensors is being currently observed. Impedimetric techniques have been performed to characterize the fabrication of the biosensors and to monitor the catalyzed reactions of enzymes or the biomolecular recognit...

Genetically encoded fluorescent biosensors have long proven to be excellent tools for quantitative live imaging, but sensor applications in plants have been lacking behind those in mammalian systems with respect to the variety of sensors and tissue types used. How can this be improved, and what can be expected for the use of genetically encoded fluorescent biosensors in plants in the future? In...

Biosensors have been used extensively in the scientific community for several purposes, most notably to determine association and dissociation kinetics, protein-ligand, protein-protein, or nucleic acid hybridization interactions. A number of different types of biosensors are available in the field, each with real or perceived benefits over the others. This review discusses the basic theory and ...

Real-time biosensors are expected to provide significant help in emergency response management should a terrorist attack with the use of biowarfare, BW, agents occur. In spite of recent and spectacular progress in the field of biosensors, several core questions still remain unaddressed. For instance, how sensitive should be a sensor? To what levels of infection would the different sensitivity l...

Nanomaterials such as silicon nanowires (SiNWs), [ 1 , 2 ] carbon nanotubes (CNTs), [ 3–6 ] and graphene, [ 7,8 ] have gained much attention for use in electrical biosensors due to their nanoscopic and electrical properties. For instance, SiNWs and CNTs can be integrated into fi eld-effect transistors (FETs) to detect small amounts of target biomolecules with high sensitivity and selectivity by...

Recent advances in the development and application of biosensors for environmental analysis and monitoring are reviewed in this article. Several examples of biosensors developed for relevant environmental pollutants and parameters are briefly overviewed. Special attention is paid to the application of biosensors to real environmental samples, taking into consideration aspects such as sample pre...