212 Result(s)
-
Article
Open AccessLabel-free electrochemical aptasensor for the detection of HepG2 hepatocellular carcinoma cells
Hepatocellular carcinoma (HCC) is the most common liver malignancy and is characterized by increasing incidence and high mortality rates. Current methods for the screening and diagnosis of HCC exhibit inherent...
-
Article
Open AccessProving the automatic benchtop electrochemical station for the development of dopamine and paracetamol sensors
The introduced work represents an implementation of the automatic benchtop electrochemical station (BES) as an effective tool for the possibilities of high-throughput preparation of modified sensor/biosensors,...
-
Article
Open AccessOptimised graphite/carbon black loading of recycled PLA for the production of low-cost conductive filament and its application to the detection of β-estradiol in environmental samples
The production, optimisation, physicochemical, and electroanalytical characterisation of a low-cost electrically conductive additive manufacturing filament made with recycled poly(lactic acid) (rPLA), castor o...
-
Article
Open AccessContributing to the management of viral infections through simple immunosensing of the arachidonic acid serum level
A trendsetting direct competitive-based biosensing tool has been developed and implemented for the determination of the polyunsaturated fatty acid arachidonic acid (ARA), a highly significant biological regula...
-
Article
Open AccessLaser-induced 2D/0D graphene-nanoceria freestanding paper-based films for on-site hydrogen peroxide monitoring in no-touch disinfection treatments
A one-shot CO2 laser-based strategy to generate conductive reduced graphene oxide (rGO) decorated with nanoceria (nCe) is proposed. The 2D/0D rGO-nCe films, integrated as catalytic sensing layers in paper-based s...
-
Article
Open AccessFrom theory to practice: understanding the challenges in the implementation of electrogenerated chemiluminescence for analytical applications
Electrogenerated chemiluminescence (ECL) stands out as a remarkable phenomenon of light emission at electrodes initiated by electrogenerated species in solution. Characterized by its exceptional sensitivity an...
-
Article
Open AccessA nanogold sensor test for tire wear chemicals based on the plasmon ruler approach
The release of tire wear substances in the environment is raising concerns about potential impacts on aquatic ecosystems. The purpose of this study was to develop a quick and inexpensive screening test for the...
-
Article
Open AccessOptical biosensors for diagnosis of COVID-19: nanomaterial-enabled particle strategies for post pandemic era
The COVID-19 pandemic underlines the need for effective strategies for controlling virus spread and ensuring sensitive detection of SARS-CoV-2. This review presents the potential of nanomaterial-enabled optica...
-
Article
Open AccessThe development of sensitive graphene-based surface acoustic wave sensors for NO2 detection at room temperature
Bilayer graphene (Bl-Gr) and sulphur-doped graphene (S-Gr) have been integrated with LiTaO3 surface acustic wave (SAW) sensors to enhance the performance of NO2 detection at room temperature. The sensitivity of t...
-
Article
Open AccessPlant-based zinc nanoflowers assisted molecularly imprinted polymer for the design of an electrochemical sensor for selective determination of abrocitinib
The first electrochemical sensor application in the literature is described for the sensitive and selective determination of the selective Janus kinase (JAK)-1 inhibitor abrocitinib (ABR). ABR is approved by t...
-
Article
Open AccessAptamer decorated PDA@magnetic silica microparticles for bacteria purification
One significant constraint in the advancement of biosensors is the signal-to-noise ratio, which is adversely affected by the presence of interfering factors such as blood in the sample matrix. In the present i...
-
Article
Open AccessDistinguishing methicillin-resistant Staphylococcus aureus from methicillin-sensitive strains by combining Fe3O4 magnetic nanoparticle-based affinity mass spectrometry with a machine learning strategy
Pathogenic bacteria, including drug-resistant variants such as methicillin-resistant Staphylococcus aureus (MRSA), can cause severe infections in the human body. Early detection of MRSA is essential for clinical ...
-
Article
Open AccessA comparative study of electropolymerization and photopolymerization for the determination of molnupiravir and their application in an electrochemical sensor via computationally designed molecularly imprinted polymers
A comparative analysis of molecularly imprinted polymers based on different synthesis techniques was performed for the recognition of molnupiravir (MOL). The polymerizations were performed with 3-thienyl boro...
-
Article
Open AccessGraphene quantum dots on TiO2 nanotubes as a light-assisted peroxidase nanozyme
Hybrid nanozyme graphene quantum dots (GQDs) deposited TiO2 nanotubes (NTs) on titanium foil (Ti/TiO2 NTs-GQDs) were manufactured by bestowing the hybrid with the advantageous porous morphology, surface valence s...
-
Article
Open AccessCorrection: Ammonium nanochelators in conjunction with arginine-specific enzymes in amperometric biosensors for arginine assay
-
Article
Open AccessNanocomposite microbeads made of recycled polylactic acid for the magnetic solid phase extraction of xenobiotics from human urine
Nanocomposite microbeads (average diameter = 10–100 µm) were prepared by a microemulsion-solidification method and applied to the magnetic solid-phase extraction (m-SPE) of fourteen analytes, among pesticides,...
-
Article
Open AccessSERS biosensor with plastic antibodies for detection of a cancer biomarker protein
Surface-enhanced Raman scattering (SERS) is a powerful method for detecting breast cancer-specific biomarkers due to its extraordinary enhancement effects obtained by localized surface plasmon resonance (LSPR)...
-
Article
Open AccessRecent trends in core/shell nanoparticles: their enzyme-based electrochemical biosensor applications
Improving novel and efficient biosensors for determining organic/inorganic compounds is a challenge in analytical chemistry for clinical diagnosis and research in biomedical sciences. Electrochemical enzyme-ba...
-
Article
Open AccessQuartz crystal microbalance–based aptasensor integrated with magnetic pre-concentration system for detection of Listeria monocytogenes in food samples
A fast and accurate identification of Listeria monocytogenes. A new quartz crystal microbalance (QCM) aptasensor was designed for the specific and rapid detection of L. monocytogenes. Before detection of the targ...
-
Article
Open AccessElectrochemical determination of fenitrothion pesticide based on ultrathin manganese oxide nanowires/molybdenum titanium carbide MXene ionic nanocomposite and molecularly imprinting polymer
A novel molecularly imprinted electrochemical sensor is presented based on one-dimensional ultrathin manganese oxide nanowires/two-dimensional molybdenum titanium carbide MXene (MnO2NWs@Mo2TiC2 MXene) for fenitr...
