A rapid and efficient detection method to detect the total starch in tobacco leaves using smartphone-based anthrone-sulfuric acid colorimetry is established under the framework of the low-cost, ...

A novel nanobiosensor-based colorimetric method was developed by integrating ZnO nanoparticles functionalized with curcumin, dispersive liquid–liquid microextraction (DLLME), and smartphone digital ...

MicroRNAs are small non-coding RNA molecules that regulate gene expression. Aberrant expression of specific microRNAs is closely linked to cancer initiation and progression. In particular, miRNA-21 is ...

A global Android smartphone-based earthquake detection and early warning system can detect seismic activity in real time and deliver life-saving alerts with effectiveness rivaling that of traditional ...