Results 41 to 50 of about 20,594 (209)

Antibody fragments as probe in biosensor development [PDF]

open access: yes, 2008
Today's proteomic analyses are generating increasing numbers of biomarkers, making it essential to possess highly specific probes able to recognize those targets.
Bonroy, Kristien   +3 more
core   +3 more sources

Preparation of Immunosensor Based on the SiO2- Au composite for Lung Cancer-Associated Antigen Determination

open access: yesInternational Journal of Electrochemical Science, 2016
A sensitive immunosensor with gold nanoprobe for the detection of carcinoembryonic antigen (CEA) was synthesized. The immunosensor was prepared by the covalent immobilization of antibodies on Au NPs-PDA-silica/GCE which was firstly prepared by in situ ...
Xiao Li   +5 more
doaj   +1 more source

Polarimetric optical-fibre sensor for biochemical measurements [PDF]

open access: yes, 1993
The use of an optical-fibre polarimeter as a chemical sensor is demonstrated. The compound to be detected is allowed to adsorb onto a decladded 5 cm length of the fibre.
Greve, Jan   +2 more
core   +2 more sources

Unlocking the Potential of MXene‐Based Electrochemical Biosensors: A Review of Biofunctionalization Strategies and Biosensing Principles

open access: yesAdvanced Materials Technologies, EarlyView.
ABSTRACT Electrochemical biosensors enable the accurate and timely detection of clinical biomarkers, improving healthcare and precision medicine. MXene nanosheets, a class of 2D transition metal carbides, nitrides, and carbonitrides, are promising materials for developing next‐generation electrochemical biosensors due to their unique physicochemical ...
Muhsin Ali   +4 more
wiley   +1 more source

Detecting age-related changes in faecal vasoactive intestinal polypeptide using a 3D-printed electrochemical immunosensor

open access: yesBiosensors and Bioelectronics: X
Vasoactive intestinal polypeptide (VIP) is a 28-amino acid neuropeptide with a multitude of diverse physiological functions, including vasodilation, immune modulation, and most notable gastrointestinal regulation.
Khalil K. Hussain   +3 more
doaj   +1 more source

Construction of a Label-Free Electrochemical Immunosensor Based on Zn-Co-S/Graphene Nanocomposites for Carbohydrate Antigen 19-9 Detection

open access: yesNanomaterials, 2021
Nanocomposites of the binary transition metal sulfide Zn-Co-S/graphene (Zn-Co-S@G) were synthesized through a one-step hydrothermal method. They may be useful in the construction of an electrochemical immunosensor for carbohydrate antigen 19-9 (CA19-9 ...
Chia-Wei Su   +4 more
doaj   +1 more source

Peroxidase‐Mimicking Nanozymes for Rapid Detection of Infectious Diseases

open access: yesAdvanced Science, EarlyView.
Peroxidase‐mimicking nanozymes (PMNs) have emerged as robust and versatile materials for rapid infectious disease diagnostics. This review highlights the rational design and controlled synthesis of PMNs, summarizes key biomarkers relevant to infectious diseases, examines their integration into diverse rapid detection platforms, and highlights ...
Shikuan Shao   +5 more
wiley   +1 more source

Ultrasensitive Leaky Surface Acoustic Wave Immunosensor for Real-Time Detection of Alpha-Fetoprotein in Biological Fluids

open access: yesChemosensors, 2021
We propose an ultrasensitive leaky surface acoustic wave (LSAW) immunosensor based on molybdenum disulfide @ cuprous oxide—gold (MoS2@Cu2O-Au) nanoparticles and subsequent gold staining for the detection of alpha-fetoprotein (AFP).
Sana Rauf   +8 more
doaj   +1 more source

Development of Optical Biosensor Technologies for Cardiac Troponin Recognition [PDF]

open access: yes, 2015
Acute myocardial infarction (AMI) is the leading cause of death among cardiovascular diseases. Among the numerous attempts to develop coronary marker concepts into clinical strategies, cardiac troponin is known as a specific marker for coronary events ...
Abdolrahim, Mojgan   +5 more
core   +1 more source

A critical evaluation of direct electrical protein detection methods [PDF]

open access: yes, 1991
During the last decennia many protein-related electrical phenomena have been studied and applied in a variety of measuring systems, from simple metal electrodes with adsorbed proteins to sophisticated systems with lipid bilayers.
Bergveld, P.
core   +2 more sources

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