Results 1 to 10 of about 20,575 (190)

Comparison between a Direct-Flow SPR Immunosensor for Ampicillin and a Competitive Conventional Amperometric Device: Analytical Features and Possible Applications to Real Samples [PDF]

open access: yesSensors, 2017
In this research, we developed a direct-flow surface plasmon resonance (SPR) immunosensor for ampicillin to perform direct, simple, and fast measurements of this important antibiotic.
Mauro Tomassetti   +6 more
doaj   +6 more sources

A monoclonal antibody-based electrochemical immunosensor for porcine epidemic diarrhea virus [PDF]

open access: yesApplied Microbiology and Biotechnology
This study reports the development of a novel and highly sensitive electrochemical immunosensor for detecting porcine epidemic diarrhea virus (PEDV). To this end, a unique PEDV spike protein–specific monoclonal antibody (mAb) was generated and evaluated ...
Wenjie Li   +5 more
doaj   +2 more sources

Surface Plasmon Resonance-Based Immunosensor for Igm Detection with Gold Nanoparticles

open access: yesMicromachines, 2021
In this work, a surface plasmon resonance (SPR) based immunosensor was prepared by the immobilization of the amine-functionalized gold nanoparticles (N-AuNPs) on the sensing surface to sense immunoglobulin M (IgM) antibodies in the aqueous solution and ...
Nilay Bereli   +3 more
doaj   +1 more source

Electrochemical Detection of Lactobacillus Rhamnosus in Fermented Food Using Magnetic Immunosensor based on Au-Fe3O4

open access: yesInternational Journal of Electrochemical Science, 2022
This study was conducted on the preparation of a high stable and accurate magnetic NPs-based electrochemical immunosensor for the determination of probiotic Lactobacillus rhamnosus (LGG) in fermented foods.
Yin Feng   +4 more
doaj   +1 more source

An Immunosensor for the Determination of Cortisol in Serum and Saliva by Array SPRi

open access: yesSensors, 2022
Cortisol is a hormone which plays an essential role in the immune, endocrine, cardiovascular, renal and skeletal systems. Its level increases in response to stress, illness, injury or exhaustion, and it is therefore a significant diagnostic biomarker of ...
Anna Sankiewicz   +5 more
doaj   +1 more source

Development of Electrochemiluminescence Immunosensor based Sandwich Structure Composites for Determination of Serum Insulin Level in Athletes

open access: yesInternational Journal of Electrochemical Science, 2022
The goal of this work was to develop an electrochemiluminescence (ECL) immunosensor based on the luminol-O2 technology for measuring serum insulin levels in athletes.
Naihong Liu   +3 more
doaj   +1 more source

Label-Free Detection of CA19-9 Using a BSA/Graphene-Based Antifouling Electrochemical Immunosensor

open access: yesSensors, 2023
Evaluating the levels of the biomarker carbohydrate antigen 19-9 (CA19-9) is crucial in early cancer diagnosis and prognosis assessment. In this study, an antifouling electrochemical immunosensor was developed for the label-free detection of CA19-9, in ...
Wei Chen   +7 more
doaj   +1 more source

Simple Immunosensor Based on Carboxyl-Functionalized Multi-Walled Carbon Nanotubes @ Antimony-Doped Tin Oxide Composite Membrane for Aflatoxin B1 Detection

open access: yesMicromachines, 2023
This paper presents a novel nano-material composite membrane for detecting aflatoxin B1 (AFB1). The membrane is based on carboxyl-functionalized multi-walled carbon nanotubes (MWCNTs-COOH) @ antimony-doped tin oxide (ATO)-chitosan (CS).
Guanglei Chu   +5 more
doaj   +1 more source

Applications of Graphene Quantum Dots in Biomedical Sensors [PDF]

open access: yes, 2020
Due to the proliferative cancer rates, cardiovascular diseases, neurodegenerative disorders, autoimmune diseases and a plethora of infections across the globe, it is essential to introduce strategies that can rapidly and specifically detect the ultralow ...
Altintas, Zeynep, Mansuriya, Bhargav D.
core   +1 more source

Label-Free, Highly Sensitive Electrochemical Aptasensors Using Polymer-Modified Reduced Graphene Oxide for Cardiac Biomarker Detection [PDF]

open access: yes, 2020
Acute myocardial infarction (AMI), also recognized as a ???heart attack,??? is one leading cause of death globally, and cardiac myoglobin (cMb), an important cardiac biomarker, is used for the early assessment of AMI.
Bhardwaj, Jyoti   +2 more
core   +1 more source

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