Results 31 to 40 of about 592,957 (153)

Coronary Au@Bi Nanospheres for Highly Impedance‐Sensitive Immunosensing toward CEA

open access: yesAdvanced Sensor Research, 2023
Novel coronary Au@Bi nanospheres (NSs) are simply synthesized by sparkling gold nanoparticles (Au NPs) on the surface of bismuth (Bi) NSs and successfully used as highly impedance‐sensitive immunosensing platform to develop a new label‐free ...
Caihong Wang   +7 more
doaj   +1 more source

Immunosensor Based on Zinc Oxide Nanocrystals Decorated with Copper for the Electrochemical Detection of Human Salivary Alpha-Amylase

open access: yesMicromachines, 2021
(1) Background: Nanocrystals (NCs)-based electrochemical sensors have been proposed for biomarkers detection, although immunosensors using ZnO NCs decorated with copper are still scarce.
Beatriz Rodrigues Martins   +12 more
doaj   +1 more source

Labeless Immunosensor Assay for Fluoroquinolone Antibiotics Based Upon an AC Impedance Protocol. [PDF]

open access: yes, 2007
This paper describes the construction of a labeless immunosensor for the antibiotic ciprofloxacin and its interrogation using an AC impedance protocol. Commercial screen-printed carbon electrodes were used as the basis for the sensor.
Sanchez-Baeza, Francisco   +16 more
core   +1 more source

Design of A Low-Cost and Disposable Paper-Based Immunosensor for the Rapid and Sensitive Detection of Aflatoxin B1

open access: yesChemosensors, 2020
We report a paper-based electrochemical immunosensor made with sustainable materials to detect aflatoxin B1 (AFB1), a highly toxic, carcinogenic mycotoxin found in food.
Fernanda L. Migliorini   +5 more
doaj   +1 more source

Multiplexed Electrochemical Immunosensors for Clinical Biomarkers [PDF]

open access: yesSensors, 2017
Management and prognosis of disease requires the accurate determination of specific biomarkers indicative of normal or disease-related biological processes or responses to therapy. Moreover since multiple determinations of biomarkers have demonstrated to provide more accurate information than individual determinations to assist the clinician in ...
Paloma Yáñez-Sedeño   +2 more
openaire   +5 more sources

Nanoparticles in Electrochemical Immunosensors – A Concept and Perspective

open access: yesChemElectroChem, 2023
AbstractNanoparticle‐based electrochemical immunosensors are fascinating and promising screening systems that rely on the affinity binding between antibodies and antigens, allowing the specific detection of diverse types of targets (e. g., proteins, hormones, antibodies).
Francesca Polli   +6 more
openaire   +3 more sources

A Label-Free Electrochemical Immunosensor for Carbofuran Detection Based on a Sol-Gel Entrapped Antibody

open access: yesSensors, 2011
In this study, an anti-carbofuran monoclonal antibody (Ab) was immobilized on the surface of a glassy carbon electrode (GCE) using silica sol-gel (SiSG) technology.
Qingqing Li   +4 more
doaj   +1 more source

Nanomaterial labels in electrochemical immunosensors and immunoassays [PDF]

open access: yesTalanta, 2007
This article reviews recent advances in nanomaterial labels in electrochemical immunosensors and immunoassays. Various nanomaterial labels are discussed, including colloidal gold/silver, semiconductor nanoparticles, and markers loaded nanocarriers (carbon nanotubes, apoferritin, silica nanoparticles, and liposome beads). The enormous signal enhancement
Liu, Guodong, Lin, Yuehe
openaire   +3 more sources

Recent Advances in Electrochemical Immunosensors with Nanomaterial Assistance for Signal Amplification

open access: yesBiosensors, 2023
Electrochemical immunosensors have attracted immense attention due to the ease of mass electrode production and the high compatibility of the miniature electric reader, which is beneficial for developing point-of-care diagnostic devices.
Avinash V. Police Patil   +3 more
doaj   +1 more source

Dendrimers as Soft Nanomaterials for Electrochemical Immunosensors [PDF]

open access: yesNanomaterials, 2019
Electrochemical immunosensors are antibody-based affinity biosensors with a high impact on clinical, environmental, food, and pharmaceutical analysis. In general, the analytical performance of these devices is critically determined by the materials and reagents used for their construction, signal production and amplification.
Alfredo Sánchez   +4 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy