A label-free electrochemical assay for coronavirus IBV H120 strain quantification based on equivalent substitution effect and AuNPs-assisted signal amplification
Sign Up to like & getrecommendations! Published in 2020 at "Mikrochimica Acta"
DOI: 10.1007/s00604-020-04582-3
Abstract: A label-free electrochemical strategy is proposed combining equivalent substitution effect with AuNPs-assisted signal amplification. According to the differences of S1 protein in various infectious bronchitis virus (IBV) strains, a target DNA sequence that can specifically… read more here.
Keywords: h120; dna; ibv; aunps ... See more keywords
Label-free electrochemical aptasensor for detection of alpha-fetoprotein based on AFP-aptamer and thionin/reduced graphene oxide/gold nanoparticles.
Sign Up to like & getrecommendations! Published in 2018 at "Analytical biochemistry"
DOI: 10.1016/j.ab.2018.02.012
Abstract: Sensitive and accurate detection of tumor markers is critical to early diagnosis, point-of-care and portable medical supervision. Alpha fetoprotein (AFP) is an important clinical tumor marker for hepatocellular carcinoma (HCC), and the concentration of AFP… read more here.
Keywords: detection; free electrochemical; electrochemical aptasensor; afp aptamer ... See more keywords
Employment of electrostriction phenomenon for label-free electrochemical immunosensing of tetracycline.
Sign Up to like & getrecommendations! Published in 2019 at "Bioelectrochemistry"
DOI: 10.1016/j.bioelechem.2019.107405
Abstract: The presented work describes a simple label-free electrochemical immunosensor for the determination of tetracycline (TC). The functioning of the sensor was based on the electrostriction of a antibody-terminated thiol layer self-assembled on a gold electrode… read more here.
Keywords: electrostriction; free electrochemical; immunosensor; mol mol ... See more keywords
Label-free electrochemical aptasensor based on gold and polypyrrole nanoparticles for interleukin 6 detection
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.11.176
Abstract: Abstract A highly sensitive, selective, fast and stable electrochemical aptasensor, based on a screen-printed carbon electrode modified with a nanocomposite architecture consisting of polypyrrole and gold nanoparticles was designed for interleukin6 detection in human serum.… read more here.
Keywords: detection; aptasensor; aptasensor based; free electrochemical ... See more keywords
Label-free electrochemical immunoassay for α-fetoprotein based on a redox matrix of Prussian blue-reduced graphene oxide/gold nanoparticles-poly(3,4-ethylenedioxythiophene) composite
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electroanalytical Chemistry"
DOI: 10.1016/j.jelechem.2017.06.031
Abstract: Abstract Herein, a stable and sensitive label-free electrochemical immunosensor for detecting α-fetoprotein (AFP) was proposed based on gold nanoparticles-poly(3,4-ethylenedioxythiophene)/Prussian blue-reduced graphene oxide (AuNPs-PEDOT/PB-rGO) nanocomposite as sensing substrate. PB was used as the electron transfer mediator… read more here.
Keywords: pedot; gold nanoparticles; rgo; aunps pedot ... See more keywords
Label-free electrochemical quantification of microRNA-375 in prostate cancer cells
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electroanalytical Chemistry"
DOI: 10.1016/j.jelechem.2019.05.009
Abstract: Abstract Clinical applicability of a label-free electrochemical method was investigated, where prostate cancer (CaP) biomarkers miR-107 and miR-375 were examined in two different groups of prostate cell lines, metastatic CaP cells (PC-3, DU145, and LNCaP)… read more here.
Keywords: label free; prostate; free electrochemical; prostate cancer ... See more keywords
Conducting polymer applied in a label-free electrochemical immunosensor for the detection prostate-specific antigen using its redox response as an analytical signal
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Electroanalytical Chemistry"
DOI: 10.1016/j.jelechem.2020.114877
Abstract: Abstract A label-free electrochemical inmunosensor based on specific antibody immobilization was developed attached to an aminophenylboronic/poly-indole-6-carboxylic acid-modified electrode (APBA/6-PICA/GCE) for detection of the cancer biomarker, prostate-specific antigen (PSA). The optimal conditions for developing a reproducible… read more here.
Keywords: detection; prostate specific; free electrochemical; antigen ... See more keywords
Label-free electrochemical immunosensor for ultrasensitive determination of cardiac troponin I based on porous fluffy-like AuPtPd trimetallic alloyed nanodendrites
Sign Up to like & getrecommendations! Published in 2021 at "Microchemical Journal"
DOI: 10.1016/j.microc.2021.106568
Abstract: Abstract Enhancement in the signals of electrochemical immunosensors via advanced nanomaterials is beneficial for developing immunoassay of cardiac troponin I (cTnI) with high sensitivity and selectivity. By virtue of K3[Fe(CN)6] as a signal probe, an… read more here.
Keywords: label free; electrochemical immunosensor; trimetallic alloyed; free electrochemical ... See more keywords
A label-free electrochemical biosensor for microRNA detection based on catalytic hairpin assembly and in situ formation of molybdophosphate.
Sign Up to like & getrecommendations! Published in 2017 at "Talanta"
DOI: 10.1016/j.talanta.2016.10.086
Abstract: A label-free electrochemical biosensor for sensitive detection of miRNA-155 was presented by coupling enzyme-catalyzed in situ generation of electronic mediator for signal introduction with catalytic hairpin assembly (CHA) induced target recycling amplification strategy. In this… read more here.
Keywords: catalytic hairpin; detection; biosensor; electrochemical biosensor ... See more keywords
Fascinating Immobilization-Free Electrochemical Immunosensing Strategy Based on the Cooperation of Buoyancy and Magnetism.
Sign Up to like & getrecommendations! Published in 2023 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.3c00485
Abstract: Rapid and accurate detection of biomolecules is of vital importance for the diagnosis of disease and for performing timely treatments. The point-of-care analysis of cancer biomarkers in the blood with low cost and easy processing… read more here.
Keywords: immobilization free; free electrochemical; strategy; buoyancy ... See more keywords
Multifunctional substrate of label-free electrochemical immunosensor for ultrasensitive detection of cytokeratins antigen 21-1
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-01250-0
Abstract: Poly(thionine)-Au, a novel multifunctional substrate with excellent redox signal, enzyme-like activity, and easy antibody immobilisation, was synthesised using HAuCl4 as the oxidising agent and thionine as the monomer. The prepared poly(thionine)-Au composite exhibited an admirable… read more here.
Keywords: detection; multifunctional substrate; poly thionine; immunosensor ... See more keywords