Porphyrins and related macrocycles have been intensively exploited as sensing materials in
chemical sensors, since in these devices they mimic most of their biological functions, such …

We review the current state of optical methods for sensing oxygen. These have become
powerful alternatives to electrochemical detection and in the process of replacing the Clark …

Ratiometric fluorescent sensors, which can provide built-in self-calibration for correction of a
variety of analyte-independent factors, have attracted particular attention for analytical …

Food safety has become a major global concern and the rapid detection of food nutritional
ingredients and contaminants has aroused much more attention. Nanomaterials-based …

The quantitative determination of oxygen concentration is essential for a variety of
applications ranging from life sciences to environmental sciences. Optical oxygen sensing …

Polyelectrolyte multilayer (PEM) capsules engineered with active elements for targeting,
labeling, sensing and delivery hold great promise for the controlled delivery of drugs and the …

Micelles have been employed to encapsulate the supramolecular assembly of quantum dots
with palladium (II) porphyrins for the quantification of O2 levels in aqueous media and in …

As a unique nanomaterial, quantum dots (QDs) are not only applied in fluorescent labeling
and biological imaging, but are also utilized in novel sensing systems. Because QDs have …

In this study, thioglycolic acid capped-CdTe quantum dots (QDs) were modified by
polyethylenimine (PEI), and then combined with fluorescein isothiocyanate (FITC) to …

Supramolecular assemblies of a quantum dot (QD) associated to palladium (II) porphyrins
have been developed to detect oxygen (pO2) in organic solvents. Palladium porphyrins are …