Arsenic (As) is a highly toxic contaminant in the environment and a serious carcinogen for
the human being. The toxicity of arsenic significantly threatens environmental and human …

One of the most studied topics in analytical chemistry and physics is to develop bio-sensors.
Aptamers are small single-stranded RNA or DNA oligonucleotides (5–25 kDa), which have …

In light of potential risks of heavy metal exposure, diverse aptasensors have been
developed through the combination with nanomaterials for their timely and efficient detection …

An arsenic-binding aptamer named Ars-3 was reported in 2009, and it has been used for
detection of As (III) in more than two dozen papers. In this work, we performed extensive …

Due to the great importance of inorganic arsenic detection for global environment and
human health, many methods and techniques have been developed in the past decades for …

Electrochemical aptasensors as novel diagnostic tools have attracted sufficient research
interest in biomedical sciences. In this review, recent leading trends about gold (Au) …

Biosensors are miniaturized devices that provide the advantage of in situ and point-of-care
monitoring of analytes of interest. Electrochemical biosensors use the mechanism of …

Heavy metal contamination has long been a major hazard to the entire ecological system
and human beings. Consequently, sensitive and reliable methods have been developed for …

In this study, an ultrasensitive novel electrochemical sensor based on graphene oxide-
modified multiwalled carbon nanotubes and gold nanoparticles (rGO/MWCNT/AuNP) was …

Exciting discoveries in material science and molecular interactions are resulting in many
promising electrochemical biosensor technologies. Compact, high-quality instrumentation is …