Due to high affinity and specificity of aptamers, they are widely considered for construction of
aptasensor to specific recognizing of analytes in biological complex matrix. So, in this work …

Enhancing the sensitivity of photoelectrochemical (PEC) assays poses a challenging task.
This study proposes a method to improve the sensitivity of PEC assays by creating a three …

Detection of epidermal growth factor receptor (EGFR) in biological fluids is of paramount
importance, since it has significant application in cancer diagnosis, drug development, and …

The authors describe a method for signal amplification in electrochemical aptasensors. It is
based on the induction of an increased electrochemical current by the aptamer captured on …

Herein, a novel electrochemical bi-aptasensor using green synthesized reduced graphene-
poly (amidoamine)/gold nanocomposite (rGO-PAMAM/Au nano) as supporting matrix for …

A simple, sensitive and label-free aptamer-based biosensor for the detection of human
immunoglobulin E (IgE) is developed using the electrochemical transduction method. A …

Carcinoembryonic antigen (CEA) is considered as a disease biomarker, which is related to
various cancers and tumors in the human bodies. Sensitive detection of CEA is significant …

There is a growing interest in developing microfluidic biosensors for the accurate and
reproducible analysis of various biomarkers obtained from liquid biopsy. This paper reports …

Based on magnetic Fe 3 O 4/Fe 2 O 3@ Au nanoparticles (Fe 3 O 4/Fe 2 O 3@ Au NPs), to
detect an important tumor screening marker, vascular endothelial growth factor 165 (VEGF …

In this paper, we report on in vitro anti-VEGF aptamer selection and the development of a
capacitive aptamer–antibody based sandwich assay for sensitive detection of vascular …