S. Chiussi

Effect of different carbon allotropes for electrochemical glucose detection

Rui.Couto, Joaquim A. Alves, Abel Duarte, S. Chiussi et autres

The spread of point-of-care (PoC) glucose sensor technologies is crucial for effective diabetes management. In this context, we present a novel electrochemical biosensing platform that integrates various carbon allotropes-biographene (BGr), zinc oxide (ZnO)-modified multi-walled carbon nanotubes (MWCNT-ZnO), and biologically derived carbon dots …

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NanoGold-enhanced biomimetic sensor for Tau-441 protein detection in serum for Alzheimer's disease diagnosis

João Feijão, Daniela S. Oliveira, S. Chiussi, Ana P. Pêgo et autres

Alzheimer's disease (AD) is the leading cause of dementia, and early identification of molecular biomarkers in blood offers a promising avenue for diagnosis and monitoring treatment. Tau-441 stands out as a particularly promising biomarker among the potential molecular targets. This research describes …

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Parallel alignment of electric and magnetic transition dipole moments in chiral additives can boost the oxygen evolution reaction

Julia Portela‐Pino, Isilda Amorim, S. Chiussi, Laura M. Salonen et autres

Homochirality, the uniformity in single molecular handedness, is a defining feature of life. Although universal in biology, the evolutionary advantage of selecting one enantiomer over its mirror image remains unresolved. One possible clue may lie in catalysis itself: recent studies demonstrate that …

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Direct electrochemical immunosensing of tau protein using shape-controlled gold nanoparticles for Alzheimer's diagnostics

Maud Gosse, Daniela Santos Oliveira, S. Chiussi, Gabriela V. Martins et autres

Early diagnosis of Alzheimer's disease (AD) remains challenging, creating an urgent need for sensitive, rapid and non-invasive technologies for the detection of blood-based biomarkers. Here, we report an electrochemical immunosensor for the direct detection of phosphorylated tau protein (tau 181), a key …

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Laser-activated potato peel-derived catalysts for enhanced oxygen evolution reaction

Aida M. Díez, S. Chiussi, M.Á. Sanromán

• Complete electrochemical cell set-up optimization favoured maximum OER performances • Laser beam usage favours functional group development on hydrochar OER catalyst • Laser radiation enhances OER due to and increase of oxygen-groups on the catalyst • Neither catalyst dose nor electrochemical …

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Handedness Matters: Parallel Alignment of Electric and Magnetic Transition Dipole Moments in Chiral Additives Boosts Oxygen Evolution Reaction

José Lorenzo Alonso‐Gómez, Julia Portela‐Pino, Isilda Amorin, S. Chiussi et autres

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Biomimetic Prussian Blue Sensor for Ultrasensitive Direct Detection of Myoglobin

Jacinta Ricardo, Abel J. Duarte, S. Chiussi, Gabriela V. Martins et autres

This research presents a novel, cost-effective, and scalable approach for the direct detection of myoglobin (Myo) in point-of-care (PoC) applications. In this strategy, redox-active Prussian Blue nanocubes (PBNCs) are applied to a disposable platinum screen-printed electrode (Pt-SPE). Subsequently, a biomimetic sensing layer …

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Screening of agroindustry residues for their usage as oxygen evolution reaction catalysts

Aida M. Díez, María Bolaños-Vázquez, S. Chiussi, Marta M. Pazos et autres

The Oxygen Evolution Reaction (OER) is the limiting step of the water splitting process for the attainment of valuable hydrogen. A green and economic catalyst is hereby synthesized to reduce the OER overpotential. For the first time, a set of representative agroindustry …

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Lateral flow assays: Progress and evolution of recent trends in point-of-care applications

Saloni Kakkar, Payal Gupta, Shiv Pratap Singh Yadav, Divakar Raj et autres

Paper based point-of-care (PoC) detection platforms applying lateral flow assays (LFAs) have gained paramount approval in the diagnostic domain as well as in environmental applications owing to their ease of utility, low cost, and rapid signal readout. It has centralized the aspect …

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Development of robust chiroptical systems through spirobifluorenes

Julia Portela‐Pino, María Talavera, S. Chiussi, S. Bolaño et autres

Chiroptical responses are valuable for the structural determination of dissymmetric molecules. However, the development of everyday applications based on chiroptical systems is yet to come. We have been earlier using axially chiral allenes for the construction of linear, cyclic, and cage-shaped molecules …

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Pulsed 193 nm Excimer laser processing of 4H–SiC (0001) wafers with radiant exposure dependent in situ reflectivity studies for process optimization

Alvaro Menduina, Ángel F. Doval, Ralph Delmdahl, Elena Martín et autres

193 nm Excimer lasers are efficient tools to process group-IV semiconductors for advanced microelectronic and photonic devices through crystallization annealing, or strain engineering. The combination of both, high photon energy and low penetration depth of the 193 nm laser pulses allow breaking …

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Review article laser-induced hyperthermia on graphene oxide composites

Laura González-Rodríguez, Sara Pérez-Davila, Miriam López‐Álvarez, S. Chiussi et autres

BACKGROUND: Hyperthermia-based therapies have shown great potential for clinical applications such as for the antitumor and antipathogenic activities. Within all strategies, the so-called photothermal therapy proposes to induce the hyperthermia by the remote laser radiation on a photothermal conversion agent, in contact …

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