Signal readout technologies that do not require any instrument are essential for improving
the convenience and availability of paper-based sensors. Thanks to the remarkable …

To precise screening concentration of ascorbic acid (AA), a novel electrochemical sensor
was prepared using palladium nanoparticles decorated on nitrogen-doped graphene …

A simple, rapid, and on-site iodometric titration with minimal preparation was devised
utilizing a novel combination of traditional redox titration and microfluidic paper-based …

The goal of green chemistry is to reduce the impact of chemical processes on the
environment. In this context, it is important to develop new analytical tools that comply with …

Considering on required detection time and sensitivity, electrochemical method is an
excellent candidate for ascorbic acid (AA) sensing. We propose using the synergistic effects …

[] In this study, we present a novel optical sensing system for the real-time detection of
ascorbic acid (AA), also known as vitamin C, a vital water-soluble vitamin with significant …

We introduced a microfluidic paper-based analytical device (μPAD) to undergraduates
majoring in nutrition education using a modified acid–base titration on paper microzones …

Wicking into open channels with branches is frequently adopted in multiple assays for
medical testing. The penetration velocity plays a key role in improving efficiency. However, it …

A simple, portable and cost-effective paper-based analysis device is developed for
quantitative determination of ascorbic acid (AA) based on the UV-induced oxidation of 3 …

We developed a novel strategy for modification of paper cellulose with water-insoluble
oxidants for distance readout of reducing substances on microfluidic paper-based analytical …