Digital image colorimetry (DIC) on smartphone is regarded as a powerful, fast and low-cost
analysis method to measure target analyte with color changes of digital image obtained by …

Portable fluorescence sensors have been developed for biochemical detection, water
quality monitoring, biomedical sensing, and many other applications. With help of …

The field of point-of-care (POC) diagnostics offers the tantalizing possibility of providing
rapid diagnostic results in nonlaboratory settings. Here, we review progress in this research …

Paper has been used as a substrate material in analytical testing for centuries, with scientific
reports dating back to the early 1800s with litmus paper. 1 As a substrate material, paper …

The traditional analytical biosensor instruments are relatively bulky, expensive, and not easy
to handle, thus their applications are largely limited in resource-limited settings. The recent …

Considerable advances in point-of-care testing (POCT) devices stem from innovations in
cellphone (CP)-based technologies, paper-based assays (PBAs), lab-on-a-chip (LOC) …

The ubiquitous distribution and international connectivity of smartphones is changing the
concept of mobile health and promising to reshape the biosensor market. Smartphone …

Per-and polyfluoroalkyl substances (PFAS), that are widely used in different industrial and
commercial activities, have become emerging contaminants of concern. Thus, the evaluation …

Water monitoring technologies are widely used for contaminants detection in wide variety of
water ecology applications such as water treatment plant and water distribution system. A …

The quality analysis of water, pharmaceutical and environmental compounds is a basic
subject for human health. The presence of low-quality drugs, biological toxins and chemical …