Paper-based microfluidics is the branch of microfluidics involving devices made out of
paper, or other porous membranes, that wick fluids by capillary action. Paper-based …

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 …

Chemical analysis based on colour changes recorded with imaging devices is gaining
increasing interest. This is due to its several significant advantages, such as simplicity of …

Point-of-care devices were originally designed to allow medical testing at or near the point of
care by health-care professionals. Some point-of-care devices allow medical self-testing at …

This paper describes and compares methods and analyzers used to measure hemoglobin
(Hb) in clinical laboratories and field settings. We conducted a literature review for methods …

A smartphone application algorithm with inter-phone repeatability was developed for both
Android and iOS operating systems. The app transformed the smartphone into a reader to …

The advancement of point-of-care diagnostics and the decentralization of healthcare have
created a need for the simple, safe, standardized and painless collection of blood …

Blood is the most intensely studied human biofluid and is used as the main indicator of the
health status of an individual. Blood is a very complex fluid, containing a multiplicity of …

Carbon quantum dots (CQDs) have emerged as a potential fluorescent probe in
bio/analytical chemistry in the present decade. The optical characteristics of CQDs may be …

We report a simple, affordable (∼ 0.02 US $/test), rapid (within 5 min), and quantitative
paper-based sensor integrated with smartphone application for on-spot detection of …