This is the first comprehensive review on methods and materials for use in optical sensing of
pH values and on applications of such sensors. The Review starts with an introduction that …

Thanks to their unique attributes, such as good sensitivity, selectivity, high surface-to-volume
ratio, and versatile optical and electronic properties, fluorescent-based bioprobes have been …

Fluorescent determinations of analytes have proven to be a powerful method due to their
simplicity, low cost, detection limit, rapid photoluminescence response, and applicability to …

In this project, poly (citric acid)(PCA) functionalized on nano Ag/Cu was synthesized by
chemical analysis method. The nano probe was applied to detection of cysteine by using the …

Carbon-based sensors for the detection of ascorbic acid (AA) and ferric ions have drawn a
great deal of attention recently, owing to their excellent optical properties and good …

Nano Sensors are sensing devices with a dimension of less than or equal to 100 nm. They
are incredibly tiny devices that transform physical, chemical, or biological substances into …

Designing a two-photon ratiometric pH-sensitive nanoprobe for real time monitoring of
intracellular pH in biological environment is of great importance for better understanding the …

Metal cations such as Zn2+, Al3+, Hg2+, Cd2+, Sn2+, Fe2+, Fe3+ and Cu2+ play important
roles in biology, medicine, and the environment. However, when these are not maintained in …

Many human activities and cellular functions depend upon precise pH values, and pH
monitoring is considered a fundamental task. Colorimetric and fluorescence sensors for pH …

Bismuth oxyselenide (Bi2O2Se) nanosheets, a new 2D non-van der Waals nanomaterial
having unique semiconducting properties, could be favorable for various sensing …