Timely, convenient, and efficient detection of carbohydrate antigen 15-3 (CA15-3) levels in
serum holds significant importance in early screening, diagnostic assistance and prognosis …

The 5′-end thiolated aptamer is attached on the electrode surface through hybridization
with immobilized assistant strands. Then the signal enhancing platform of gold nanoparticles …

A highly sensitive and label-free electrochemical aptasensor was developed by employing
click chemistry-assisted self-assembly of DNA aptamers on gold nanoparticles (GNPs) …

During recent decades, nucleic acid aptamers have emerged as powerful biological
recognition elements for electrochemical affinity biosensors. These bioreceptors emulate or …

Colorectal cancer is one of the most common cancers in the world and has no effective
treatment. Therefore, development of new methods for early diagnosis is instantly required …

A simple homogeneous electrochemical aptasensor was designed by using target-
responsive substrate releasing from aptamer-gated zeolitic imidazolate framework-8 (ZIF-8) …

We first developed a label-free and immobilization-free homogeneous electrochemical
aptasensor, which combined a smart functional DNA hairpin and a designed miniaturized …

A rapid and convenient homogeneous aptamer sensor with high sensitivity is highly
desirable for the electrochemical detection of tumor biomarkers. In this work, a …

Purpose In the present study, a highly sensitive and simple electrochemical (EC) aptasensor
for the detection of serpin A12 as a novel biomarker of diabetes was developed on a …

In this paper, a bifunctional electrochemical biosensor for highly sensitive detection of small
molecule (adenosine) or protein (lysozyme) was developed. Two aptamer units for …