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Showing 1 to 17 of 17 for “"Immunosensor"”.
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Nanocomposite immunosensor for anti-transglutaminase antibody
… analytical marker for the diagnosis of CD. An immunosensor is a type of biosensor that has an antigen or antibody fragment as its biological recognition component. The specificity of the molecular recognition of antigens by antibodies to form a stable complex is the basis of immunosensor …
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Development of Electrochemical Immunosensor for Oral Cancer: Initial Outcome
… the use of a nanoengineered electrochemical immunosensor targeting the S100A7 protein, a biomarker associated with OSCC risk. The biosensor's sensitivity and specificity were assessed across a range of clinically relevant concentrations in artificial serum and artificial saliva, simulating …
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Development of portable escherichia coli bacteria detection using resistive graphene-based immunosensor
Escherichia coli (E. coli) bacteria comes from the human and animal faeces. It is hazardous to human health and could cause death when not immediately treated. Therefore, it is crucial to detect E. coli bacteria in water before consuming it. Since many cases of water contaminated E. coli bacteria …
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Electrochemical immunosensor based on cyclodextrin supramolecular interactions for the detection of human chorionic gonadotropin
… the development of amperometric enzyme linked immunosensors. The selectivity of each enzyme towards its analyte deepens its importance in determining the sensitivity of the resultant immunosensor. In designing immunosensors that have customized transducer surfaces, the incorporation with FAD …
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Electrochemical Immunosensor based on Cyclodextrin Supramolecular interactions for the detection of human chorionic gonadotropin
… the development of amperometric enzyme linked immunosensors. The selectivity of each enzyme towards its analyte deepens its importance in determining the sensitivity of the resultant immunosensor. In designing immunosensors that have customized transducer surfaces, the incorporation with FAD …
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Electrochemical immunosensor based on cyclodextrin supramolecular interactions for the detection of human chorionic gonadotropin
… the development of amperometric enzyme linked immunosensors. The selectivity of each enzyme towards its analyte deepens its importance in determining the sensitivity of the resultant immunosensor. In designing immunosensors that have customized transducer surfaces, the incorporation with FAD …
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Investigations into the sensing capabilities of an electrochemical immunosensor employing polyaniline as a mediator species
… with oestradiol, and p60 or use in a competitive immunosensor, as well as immunoassay characterisation of the proteins, nd their application to the biosensor platform. Chapter 4 outlines efforts to address sub-monolayer protein immobilisation issues to the PANIIPVS matrix by optimising …
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Immunosensors developed on clathrate platform compounds
… compounds were used in the development of immunosensor for rapid fish species detection. Flourene derivatives show unique chemical and physical properties because they contain a rigid planar biphenyl unit, and the facile substitution at C9 position of the flourene can improve the solubility …
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Imunossensor optoeletrônico para detecção de contaminação de escherichia coli na água
… and development of plastic optical fiber (POF) immunosensors for contaminated water identification in less than an hour. Based on the immune response, the POF is functionalized with an antibody to capture bacteria and identify Escherichia coli concentrations in water. The physical principle …
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Neue biosensorische Prinzipien für die Hämoglobin-A1c Bestimmung
… wurden zwei Konzepte - Enzymsensor und Immunosensor - miteinander verglichen. Die enzymatische Umsetzung von HbA1c erfolgte mit der Fructosylamin Oxidase (FAO) aus Pichia pastoris N 1-1 unter Freisetzung von H2O2, welches sowohl optisch über eine Indikatorreaktion als auch …
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A Bifunctional Nanocomposites Based Electrochemical Biosensor for In-field Detection of Pathogenic Bacteria in Food
… is growing. In this research, an impedimetric immunosensor was first developed for the rapid detection of E. coli O157:H7 and S. Typhimurium in foods. It was based on the techniques of immunomagnetic separation, enzyme labelling, and electrochemical impedance spectroscopy (EIS). This …
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Sensing at nanostructures for agri-food and enviromental applications
… safety and security sectors. An impedimetric immunosensor device (with a micro SD style pin-out) was also developed for the serological diagnosis of viruses and antibodies associated with bovine respiratory disease and bovine liver fluke. The silicon chip devices consist of six on-chip …
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Electrochemical biosensor based on microfabricated electrode arrays for life sciences applications
… described the development of a T-2 labelless immunosensor using impedimetric approach. Good antibody calibration curve was obtained for both 10 μm microband and 10 μm microdisc array. For the establishment of the T-2/HT-2 toxin calibration curve, it was found that larger microdisc array …
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Thermoplastic electrode surface modifications for use as label-free electrochemical immunosensors
… a wide variety of applications, but their use as immunosensors has been limited due to difficulty with antibody immobilization. This work seeks to explore techniques for modifying TPE surfaces for use as label-free immunosensors. Chapter 2 examines common antibody immobilization techniques applied …
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The application of nanomaterials in electrochemical sensors and biosensors
… electrodes Comparing the images of the immunosensor surfaces with those of different control surfaces, it was possible to gain an appreciation of the extent and distribuhon of the munological interaction and the level of non-specific binding occurring at the electrode. In general, the …
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Isolation von Ascosporen des pflanzenpathogenen Pilzes Venturia inaequalis und Charakterisierung von Antikörperinteraktionen zur Entwicklung eines immunogravimetrischen Sensors
The work presented here was performed in the frame of an interdisciplinary project. The aim of this project was the development of a biosensor detecting ascospores of Venturia inaequalis, the causual agent of apple scap. It was shown, that such a biosensor could be a useful addition to present-day …