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Detection of vascular endothelial growth factor based on rolling circle amplification as a means of signal enhancement in surface plasmon resonance.
Vascular endothelial growth factor (VEGF) is a major regulator of angiogenesis. It has been identified as an ideal biomarker for staging of many kinds of cancers, so more specific and intense signalExpand
Selection and characterization of DNA aptamers for the development of light-up biosensor to detect Cd(II).
In order to develop a facile, cost-effective and quick-testing light-up biosensor with excellent specificity for cadmium ions (Cd(II)) detection, a modified selection method based on target-inducedExpand
Surface plasmon resonance spectroscopic characterization of antibody orientation and activity on the calixarene monolayer
Abstract Attachment of proteins to a solid support is fundamental to development of advanced biosensors, biochips, implantable electronic devices, and many diagnostic techniques. Profound knowledgeExpand
Fe3O4@Au nanoparticles as a means of signal enhancement in surface plasmon resonance spectroscopy for thrombin detection
Abstract The core-shell gold capped magnetic nanoparticles (GMPs) have been receiving increasing attention because of its optical and magnetic properties. In order to evaluate the ability of GMPs asExpand
High specific detection of osteopontin using a three-dimensional copolymer layer support based on electrochemical impedance spectroscopy.
Tumor marker detection is essential for the therapy efficiency of early stage tumors and the evaluation of disease progression. Osteopontin (OPN) is supposed to be closely related to several kinds ofExpand
Colorimetric copper(II) ion sensor based on the conformational change of peptide immobilized onto the surface of gold nanoparticles
Detection of heavy metal ions has attracted great attention, and the colorimetric assay has remarkable advantages, such as convenient, efficient, free-equipment and always visible. Herein, we reportExpand
Sensitive cell apoptosis assay based on caspase-3 activity detection with graphene oxide-assisted electrochemical signal amplification.
This paper reports a novel approach for the simple assays of cell apoptosis using electrochemical technique. In this study, caspase-3 activity, which was detected with differential plus voltammetryExpand
Label-free surface plasmon resonance cytosensor for breast cancer cell detection based on nano-conjugation of monodisperse magnetic nanoparticle and folic acid
Abstract Accurate diagnosis of breast cancer cells is important on determining the stage of the disease and designing the suitable therapies. Herein, we report a sensitive biosensor based on surfaceExpand
Potassium ion sensing using a self-assembled calix[4]crown monolayer by surface plasmon resonance
Abstract The precise detection of K + ion is crucial because K + ion plays a leading role in membrane transport. Current K + ion detection methods suffered low resolution and detection limit.Expand
Fabrication of a protease sensor for caspase-3 activity detection based on surface plasmon resonance.
Diagnosis of apoptosis is essential to the early detection of therapy efficiency and the evaluation of disease progression. Caspase-3 is supposed to be closely related to cellular apoptosis. WeExpand