نتایج جستجو برای: electrochemical biosensor
تعداد نتایج: 59442 فیلتر نتایج به سال:
In this study, we report an effective uric acid (UA) electrochemical biosensor using Cu-TiO2 electrode. UA is a biomedical compound that plays a vital role in human metabolism. The abnormal level of UA leads to several diseases. TiO2 and Cu-TiO2 with various concentrations were deposited on glass substrates by spray pyrolysis technique. The structural study show...
Accurate and timely detection of bacterial pathogens will improve the clinical management of infections. Herein, we demonstrate an electrochemical biosensor that directly detects bacteria in human blood samples, resulting in the rapid diagnosis of a bloodstream infection. The multiplex biosensor detects the species-specific sequences of the 16S ribosomal RNA of bacteria for pathogen identificat...
Molybdenum electrode based flexible biosensor on porous polyamide substrates has been fabricated and tested for its functionality as a protein affinity based biosensor. The biosensor performance was evaluated using a key cardiac biomarker; cardiac Troponin-I (cTnI). Molybdenum is a transition metal and demonstrates electrochemical behavior upon interaction with an electrolyte. We have leveraged...
Hydrogen peroxide (H2O2) is well-known oxidizing, bleaching agent and also one of the significant by-products of diverse regulating biological processes. It has been recognized as a threat in the progression of atherosclerosis, renal disease, ageing and other diseases. Hence, determination of H2O2 in trace levels in biological samples is of great importance. This article briefly reviews the ele...
A novel type of acetylcholine electrochemical biosensor was successfully fabricated by dropping beta-cyclodextrin solution, acetylcholinesterase solution and Nafion-methanol solution to the homemade nano-porous pseudo carbon paste electrode (nano-PPCPE) as working electrode, and then the electrochemical behavior of the as-prepared biosensor was studied through the acetylthiocholine iodide (ATCh...
Background and Objectives: Detection of the biomarkers is one of the effective methods for diagnosis and treatment of prostate cancer. Prostate specific antigen (PSA) is currently the best biomarker available for controlling and detecting this cancer. The purpose of the current study was to design an electrochemical aptamer-based biosensor (electrochemical aptasensor) to measure...
Engineered nucleic acid probes containing recognition and signaling functions find growing interest in biosensor design. In this paper, we developed a novel electrochemical biosensor for sensitive and selective detecting of Hg(2+) based on a bifunctional oligonucleotide signal probe combining a mercury-specific sequence and a G-quadruplex (G4) sequence. For constructing the electrochemical Hg(2...
A single-use disposable in vitro electrochemical immunosensor for the detection of HbA1c in undiluted human serum using differential pulse voltammetry (DPV) was developed. A three-electrode configuration electrochemical biosensor consisted of 10-nm-thin gold film working and counter electrodes and a thick-film printed Ag/AgCl reference electrode was fabricated on a polyethylene terephthalate (P...
Nanostructured ZnO with its unique properties could provide a suitable microenvironment for immobilization of enzymes while retaining their biological activity, and thus lead to an expanded use of this nanomaterial for the construction of electrochemical biosensors with enhanced analytical performance. ZnO-based enzyme electrochemical biosensors are summarized in several tables for an easy over...
A biosensor platform based on Au/MXene nanocomposite for sensitive enzymatic glucose detection is reported. The biosensor leverages the unique electrocatalytic properties and synergistic effects between Au nanoparticles and MXene sheets. An amperometric glucose biosensor is fabricated by the immobilization of glucose oxidase (GOx) enzyme on Nafion solubilized Au/ MXene nanocomposite over glassy...
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