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 …

Rapid, accurate, portable and quantitative profiling of metabolic biomarkers is of great
importance for disease diagnosis and prognosis. The recent development in the optical and …

Dual emission ratiometric fluorescence probes have been widely used for naked visual
individual detection of hazardous chemicals, but it is still limited to simultaneously detecting …

In this work, a tri-color ratiometric fluorescent optical device integrated with machine learning-
assisted smartphones is designed for the visual monitoring of tetracycline antibiotics. The …

An optical monitoring device combining a smartphone with a polychromatic ratiometric
fluorescence-colorimetric paper sensor was developed to detect Hg2+ and S2–in water and …

The simple and accurate monitoring of blood glucose level is of great significance for the
prevention and control of diabetes. In this work, a magnetic nanozyme was fabricated based …

Micro-and nanofluidics have enabled the possibility of miniaturized analytical systems,
which are commonly known as lab-on-a-chip (LOC) devices. One of the clear benefits of …

During the past few decades, there has been a growing trend towards the use of
smartphone-based analysis systems. This is mainly due to its ubiquity, its increasing …

The luminescent carbon dots with peroxidase mimicking property had attracted considerable
attention in biomedical field. In this work, iron-doped carbon dots (Fe-CDs) were prepared …

A new strategy for the fluorescent and colorimetric sensing of hydrogen peroxide (H 2 O 2)
and glucose based on the metal oxide–carbon-dot hybrid structure was investigated. The …