A5087177499- Electrochemical sensors and biosensors
- Electrochemical Analysis and Applications
- Biosensors and Analytical Detection
- Advanced biosensing and bioanalysis techniques
- Gold and Silver Nanoparticles Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Conducting polymers and applications
- Dye analysis and toxicity
- Nanoparticles: synthesis and applications
- Advanced Chemical Sensor Technologies
- Gas Sensing Nanomaterials and Sensors
- Analytical Chemistry and Sensors
- Food Chemistry and Fat Analysis
- Graphene and Nanomaterials Applications
- Phytochemicals and Antioxidant Activities
- 2D Materials and Applications
- Free Radicals and Antioxidants
- Growth and nutrition in plants
- Transgenic Plants and Applications
- Tea Polyphenols and Effects
- Nanocluster Synthesis and Applications
- Botanical Research and Applications
- Nanocomposite Films for Food Packaging
- Sunflower and Safflower Cultivation
- Quantum Dots Synthesis And Properties
University of Teramo
2017-2025
Institut Català de Nanociència i Nanotecnologia
2023
The combination of two-dimensional materials and metal nanoparticles (MNPs) allows the fabrication novel nanocomposites with unique physical/chemical properties exploitable in high-performance smart devices biosensing strategies. Current methods to obtain graphene-based films decorated noble MNPs are cumbersome, poorly reproducible, difficult scale up. Herein, we propose a straightforward, versatile, surfactant-free, single-step technique produce reduced graphene oxide (rGO) conductive...
An electroanalytical lab-on-a-strip device for the direct extra-virgin olive oil (EVOO) antioxidant capacity evaluation is proposed. The lab-made composed of a CO2 laser nanodecorated sensor combined with cutter-plotter molded paper-strip designed EVOOs sampling and extraction. Satisfactory performance towards most representative o-diphenols i.e., hydroxytyrosol (HY) oleuropein (OL) were achieved; good sensitivity (LODHY = 2 µM; LODOL 0.6 µM), extended linear ranges (HY: 10-250 OL: 2.5-50...
A novel breathable electrochemical enzyme-free sensor made from laser-induced carbon nanofibers embedding Ni nanocatalysts (Ni-LCNFs) is proposed for the capture and detection of biomarkers in breath aerosol. The permeable Ni-LCNF electrodes were fabricated on filter paper where a hydrophobic wax barrier was created to confine device's working area. device tested with aerosolized glucose, which collected porous electrode. After subsequent drying step, 0.1 M NaOH dropped onto device,...
Herein, we report a scalable benchtop electrode fabrication method to produce highly sensitive and flexible third-generation fructose dehydrogenase amperometric biosensors based on water-dispersed 0D-nanomaterials. The electrochemical platform was fabricated via Stencil-Printing (StPE) insulated xurography. Carbon black (CB) mesoporous carbon (MS) were employed as 0D-nanomaterials promoting an efficient direct electron transfer (DET) between (FDH) the transducer. Both nanomaterials prepared...
A solvent-free strategy to produce water-dispersed biochar-nanofibers (BH-CNF) is reported, demonstrating the potential of this cost-effective and sustainable material in electrochemical sensing fabrication conductive films. Water-phase BH-CNF from eucalyptus scraps were achieved using a Kraft process followed by liquid-phase exfoliation assisted biological stabilizing agent sodium cholate. BH-CNF-based sensors constructed following two strategies: surface modification screen-printed...
In this work, silver nanoparticles (AgNPs) were synthesized solely using catechin (Ct), a natural polyphenol, then their effects on the growth and metabolism of Aspergillus niger GM13 investigated 7.5 15 ppm nanoparticles. AgNPs-Ct, induced physio-metabolic changes activating different stress compensation mechanisms that affect fungal survival. particular, AgNPs-Ct leads to reduction 81% mycelia biomass. The responses in presence further determined by overall cell through production reactive...
A new sustainable route to nanodispersed and functionalized carbon black in water phase (W-CB) is proposed. The sonochemical strategy exploits ultrasounds disaggregate the CB, while two selected functional naturally derived compounds, sodium cholate (SC) rosmarinic acid (RA), act as stabilizing agents ensuring dispersibility adhering onto CB nanoparticles' surface. Strategically, CB-RA compound used drive AuNPs self-assembling at room temperature, resulting a surface that nanodecorated;...
Industrial wastes have become elective sustainable sources to obtain materials for electronic/electroanalytical purposes; on the other hand, easy and green strategies include semiconductor 2D graphene-like in conductive networks are highly required. In this work, 1D/2D nanocomposites (NCs) based nanofibrillar biochar (BH) from paper industry waste transition metal dichalcogenides (TMDs: MoS2, WS2, MoSe2, WSe2), were prepared water via liquid phase exfoliation (LPE) using sodium cholate as...
The production of 2D/2D heterostructures (HTs) with favorable electrochemical features is challenging, particularly for semiconductor transition metal dichalcogenides (TMDs). In this studies, we introduce a CO2 laser plotter-based technology the realization HT films comprising reduced graphene oxide (rGO) and 2D-TMDs (MoS2, WS2, MoSe2, WSe2) produced via water phase exfoliation. strategy relies on Laser-Induced HeterosTructures (LIHTs), where after irradiation nanomaterials exhibit changes...
A completely lab-made paper/graphene-based 3D pop-up device (3D-PP) for the analysis of carbaryl (CBR), a pesticide widely used in crop production, is proposed. The composed nitrocellulose sensor equipped with reduced graphene oxide (rGO) and foldable paper pop-up. rationale based on 2D configurations to allow whole analytical procedure. In arrangement sample pre-concentration hydrolysis occur; after folding (2D), contact complementary nitrocellulose-based ensured. sensor, constituted by...
Herein, a strategy to stamp laser-produced reduced graphene oxide (rGO) onto flexible polymers using only office-grade tools, namely, roll-to-roll thermal stamping, is proposed, proving for the first time its effectiveness direct bioelectrocatalysis. This straightforward, scalable, and low-cost approach allows us overcome limits of integration laser-induced rGO-films in bioanalytical devices. Laser-produced rGO has been thermally stamped (TS) different polymeric substrates (PET, PVC, EVA)...
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 sensors, were employed for on-site monitoring of indoor fogging treatments against Listeria monocytogenes (Lm), a ubiquitous pathogenic bacterium. laser-assisted synthesis was optimized preserve the rGO film morphological and electron-transfer features simultaneously integrate nCe....
Cocoa (Theobroma Cacao, L.) represents an important market that gained relevance and became esteemed commodity thanks to cocoa powder, chocolate, other related products. This work has analyzed 59 powder samples from the European market. Three distinct subgroups were identified: organic or conventional, alkalized not alkalized, raw roasted processing. The impact of technological process was evaluated on pH, color, compositional traits, as content biogenic amines salsolinol. phenolic fraction...