New and Improved Nanomaterials and Approaches for Optical Bio- and Immunosensors

Dear Colleagues,

The current priorities for development in the field of bio- and immunosensors are highly sensitive detection and increased information output. An important resource for achieving these goals is provided by new nanomaterials and their functionalized derivatives. The use of such carriers and labels combined with optical registration has good prospects for advancement into practice due to the availability of simple inexpensive detectors and the possibility of non-instrumental (visual) assessment of the analysis results. Approaches to highly sensitive assays based on the use of fluorescent nanoparticles, the transformation of chromogenic substrates by nanozymes, the aggregation of modified nanoparticles, or, conversely, the release of multiple labels from nanocontainers are extremely successful. The use of various receptors (antibodies, aptamers, etc.) and additional functional molecules provides approaches to modulate selectivity, productivity, detection limits, and other important parameters of novel biosensors. However, many possibilities of using nanomaterials in biosensors remain uncharacterized. There is a lack of compelling comparisons to select the best preparations and assay techniques.

This Special Issue is aimed at considering new approaches to highly sensitive bio- and immunosensoric analysis using nanodispersed labels and their optical registration. We are interested in both descriptions of original ideas and comparisons of different approaches. We are welcoming papers describing the development of such sensors and their application in various practically demanded areas—medical diagnostics, biosafety, quality control of foods and other consumer products, and environmental monitoring.

Prof. Dr. Boris B. Dzantiev
Guest Editor

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