In recent times, paper-based devices have been widely used in biotechnology due to their
high impact and prominence as point-of-care-testing devices. These introduce …

Since the inception of the first electrochemical devices on paper substrates, many different
reports of microfluidic paper-based electroanalytical devices (μPEDs), innovative …

Recent years have witnessed an exponential increase in the research on gold nanoparticles
(AuNPs)-based colorimetric sensors to revolutionize point-of-use sensing devices. Hence …

In this article, we first report a simple fabrication technique to create Parafilm®-laminated
microfluidic paper-based analytical devices (µPADs) with a high resolution and then …

In this article, we first report the fabrication of pullulan-stabilized gold nanoparticles tablet
(AuNPs-pTab) as a point-of-care (POC) analytical device using pullulan-AuNPs solution …

To date, a range of nanozymes has been reported for their enzyme-mimicking catalytic
activity such as solution-based sensors. However, in remote areas, the need for portable …

Many applications using gold nanoparticles (AuNPs) require (i) their functionalization with a
biopolymer to increase their stability and (ii) their transformation into an easy-to-handle …

A novel and highly sensitive tablet-based colorimetric sensor is developed for the detection
of phosphate (Pi) in drinking and surface water using mercaptoacetic acid-capped gold …

Paper-based analytical devices (PADs) with four new designs could be fabricated using
commercially available home-based scan-and-cut printer. They serve for miniaturised …

The rapid detection of pollutants in water can be performed with enzymatic probes, the
catalytic light-emitting activity of which decreases in the presence of many types of …