Results 31 to 40 of about 20,776 (229)

Nanomaterials for Healthcare Biosensing Applications [PDF]

open access: yes, 2019
In recent years, an increasing number of nanomaterials have been explored for their applications in biomedical diagnostics, making their applications in healthcare biosensing a rapidly evolving field.
Altintas, Zeynep, Pirzada, Muqsit
core   +1 more source

An Exfoliated Graphite-Based Electrochemical Immunosensor on a Dendrimer/Carbon Nanodot Platform for the Detection of Carcinoembryonic Antigen Cancer Biomarker

open access: yesBiosensors, 2019
An electrochemical immunosensor for the quantification of carcinoembryonic antigen (CEA) using a nanocomposite of polypropylene imine dendrimer (PPI) and carbon nanodots (CNDTs) on an exfoliated graphite electrode (EG) is reported.
Azeez O. Idris   +2 more
doaj   +1 more source

Performance of a highly sensitive optical waveguide Mach-Zehnder interferometer immunosensor [PDF]

open access: yes, 1993
We describe a highly sensitive sensor which uses the evanescent field of a reusable planar optical waveguide as the sensing element. The waveguide used is optimized to obtain a steep dependence of the propagation velocity on the refractive-index profile ...
Greve, J.   +2 more
core   +3 more sources

Paper surface modification strategies employing N-SBA-15/polymer composites in bioanalytical sensor design [PDF]

open access: yes, 2019
In this work, different paper surface modification strategies were compared to obtain an amine functionalized SBA-15 (N-SBA-15) composite for paper-based device development. The synthesized N-SBA-15 was characterized by N 2 adsorption-desorption isotherm,
Messina, Germán Alejandro   +7 more
core   +1 more source

Electrochemical immunosensor modified with carbon nanofibers coupled to a paper platform for the determination of gliadins in food samples [PDF]

open access: yes, 2019
The gluten-free diet is a unique, effective treatment for different conditions related to gluten consumption. Therefore, it is crucial the availability of new methodologies for the sensitive and specific determination of gluten content in food samples ...
Bertolino, Franco Adrián   +4 more
core   +1 more source

Graphene Quantum Dot-Based Electrochemical Immunosensors for Biomedical Applications [PDF]

open access: yes, 2019
In the area of biomedicine, research for designing electrochemical sensors has evolved over the past decade, since it is crucial to selectively quantify biomarkers or pathogens in clinical samples for the efficacious diagnosis and/or treatment of various
Altintas, Zeynep, Mansuriya, Bhargav D.
core   +1 more source

Impedimetric Label-Free Immunosensor on Disposable Modified Screen-Printed Electrodes for Ochratoxin A

open access: yesBiosensors, 2016
An impedimetric label-free immunosensor on disposable screen-printed carbon electrodes (SPCE) for quantitative determination of Ochratoxin A (OTA) has been developed.
Francesca Malvano   +4 more
doaj   +1 more source

Biosensors for cardiac biomarkers detection: a review [PDF]

open access: yes, 2012
The cardiovascular disease (CVD) is considered as a major threat to global health. Therefore, there is a growing demand for a range of portable, rapid and low cost biosensing devices for the detection of CVD.
Gurbuz, Yasar   +3 more
core   +1 more source

Ultrasensitive Immunosensor for Aflatoxin B1 Detection Based on Screen-Printed Carbon Electrode Modified by Ferrocene @Multi-Walled Carbon Nanotubes

open access: yesInternational Journal of Electrochemical Science, 2019
An electrochemical immunosensor for the ultrasensitive detection of aflatoxin B1 (AFB1) in agricultural products was developed. Ferrocene (Fc), with favourable oxidation-reduction properties, is widely used in chemically modified electrodes. Multi-walled
Hui Zhang   +5 more
doaj   +1 more source

New detection method for atrazine pesticides with the optical waveguide Mach-Zehnder immunosensor [PDF]

open access: yes, 1997
Concentrations of analytes can be determined within a few minutes using on-line analysis of the immunobinding kinetics in a solid phase immunoassay. This approach has been applied to the detection of atrazine.
Bergevoet, A.J.H.   +3 more
core   +2 more sources

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