Natural extracts are the source of many antioxidant substances. They have proven useful not
only as supplements preventing diseases caused by oxidative stress and food additives …

A comprehensive review on the development and state of the art of colorimetric and
fluorometric sensor arrays is presented. Chemical sensing aims to detect subtle changes in …

Gold nanoparticles (GNPs) have generated keen interest among researchers in recent years
due to their excellent physicochemical properties. In general, GNPs are biocompatible …

Aptamers are single-stranded nucleic acids that bind and recognize targets much like
antibodies. Recently, aptamers have garnered increased interest due to their unique …

In the last two decades, plasmon resonance in gold nanoparticles (Au NPs) has been the
subject of intense research efforts. Plasmon physics is intriguing and its precise modelling …

The necessity for the development of highly sensitive and selective detection techniques for
the investigation of biomolecules are inevitable. Surface plasmon resonance (SPR) based …

Functional nucleic acids (FNAs), including DNA aptamers and DNAzymes, are finding
increasing use as molecular recognition elements for point-of-care (POC) assays and …

Gold nanoparticles (AuNPs) provide excellent platforms for the development of colorimetric
biosensors as they can be easily functionalised, displaying different colours depending on …

Digital health facilitated by wearable/portable electronics and big data analytics holds great
potential in empowering patients with real‐time diagnostics tools and information. The …

Instrument-free, portable, and direct read-out mini-devices have wider application prospects
in various fields, especially for real-time/on-site sensing. Herein, combined with a paper …