The potentiality of the functionalized nitrogen and thiol-doped graphene quantum dots (GQDs-N-S) to stabilize the antibodies in the designing of human chorionic gonadotropin immunosensor [PDF]
Nanochemistry Research, 2019 In this study, for the first time, a simple immunosensor for ultrasensitive recognition of Human Chorionic Gonadotropin (hCG) in serum samples was fabricated by exploiting a simple approach.
Mahmoud Roushani +2 more
doaj +1 more source
Frontiers in Chemistry, 2021 A bi-functional material based on silver nanoparticles (AgNPs)-reduced graphene oxide (rGO) composite for both electrode modification and signal generation is successfully synthesized for use in the construction of a label-free electrochemical ...
Supakeit Chanarsa +6 more
doaj +1 more source
Development of a highly sensitive noncompetitive electrochemical immunosensor for the detection of atrazine by phage anti-immunocomplex assay [PDF]
, 2014 The development of immunosensors for the detection of small molecules is of great interest because of their simplicity, high sensitivity and extended analytical range.
Arevalo, Fernando Javier +5 more
core +1 more source
Biosensors, 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
Paper surface modification strategies employing N-SBA-15/polymer composites in bioanalytical sensor design [PDF]
, 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
Inhibition-based first-generation electrochemical biosensors: theoretical aspects and application to 2,4-dichlorophenoxy acetic acid detection [PDF]
, 2016 In this work, several theoretical aspects involved in the first-generation inhibition-based electrochemical biosensor measurements have been discussed. In particular, we have developed a theoretical-methodological approach for the characterization of the
Antiochia, Riccarda +6 more
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The critical sensor: a new type of evanescent wave immunosensor [PDF]
, 1996 A new planar waveguide immunosensor has been developed in which adsorption at a surface, changing the refractive index contrast, is measured. In this ¿critical¿ sensor the change in the effective refractive index contrast is transducted to a shift of the
Borreman, A. +3 more
core +3 more sources
Biosensors, 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
Design of highly stabilized nanocomposite inks based on biodegradable polymer-matrix and gold nanoparticles for Inkjet Printing [PDF]
, 2019 Nowadays there is a worldwide growing interest in the Inkjet Printing technology owing to its potentially high levels of geometrical complexity, personalization and resolution.
Aguilera Velázquez, José Raúl +5 more
core +1 more source
International 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