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Modular plasmonic nanopore for opto-thermal gating

Autor: Douaki, Ali, Weng, Shukun, Lanzavecchia, German, Sapunova, Anastasiia, Stuber, Annina, Nanni, Gabriele, Nakatsuka, Nako, Tsutsui, Makusu, Yokota, Kazumichi, Krahne, Roman, Garoli, Denis

Solid-state nanopore gating inspired by biological ion channels is gaining increasing traction due to a large range of applications in biosensing and drug delivery. Integration of stimuli-responsive molecules such as poly(N-isopropylacrylamide) (PNIP

Externí odkaz: http://arxiv.org/abs/2405.02894

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Tailored Fabrication of 3D Nanopores with Dielectric Oxides for Multiple Nanoscale Applications

Autor: Lanzavecchia, German, Sapunova, Anastasiia, Douaki, Ali, Weng, Shukun, Momotenko, Dmitry, Paulo, Goncalo, Giacomello, Alberto, Krahne, Roman, Garoli, Denis

Nanopore sensing is a key technology for single-molecule detection and analysis. Solid-state nanopores have emerged as a versatile platform, since their fabrication allows to engineer their properties by controlling size, shape, and chemical function

Externí odkaz: http://arxiv.org/abs/2405.02632

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Porous aluminium decorated with rhodium nanoparticles, preparation and use as platform for UV plasmonics

Autor: Banerje, Shrobona, Mattarozzi, Luca, Maccaferri, Nicolo, Cattarin, Sandro, Weng, Shukun, Douaki, Ali, Lanzavecchia, German, Sapunova, Anastasiia, DAmico, Francesco, Ma, Qifei, Zou, Yanqui, Krahne, Roman, Kneipp, Janina, Garoli, Denis

There is a high current interest for novel plasmonic platforms and materials able to extend their applicability into the ultraviolet (UV) region of the electromagnetic spectrum. In the UV it is possible to explore spectral properties of biomolecules

Externí odkaz: http://arxiv.org/abs/2403.07077

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Ionic Current Rectification in Nanopores: Effects of Nanopore Material, Electrolyte and Surface Treatment

Autor: Doricchi, Andrea, Sapunova, Anastasiia, Douaki, Ali, Lanzavecchia, German, Weng, Shukun, Salehirozveh, Mostafa, Tsutsui, Makusu, Chinappi, Mauro, Momotenko, Dmitry, Krahne, Roman, Garoli, Denis

Ionic Current Rectification (ICR) can appear in nanopores, causing a diode-like behavior that originates from different efficiency of ion transport through the pore channel with respect to the applied voltage bias polarity. This effect is particularl

Externí odkaz: http://arxiv.org/abs/2402.01321

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Theoretical Analysis of Divalent Cation Effects on Aptamer Recognition of Neurotransmitter Targets

Autor: Ali, Douaki, Annina, Stuber, Julien, Hengsteler, Dmitry, Momotenko, M., Rogers David, Walter, Rocchia, D., Hirst Jonathan, Nako, Nakatsuka, Denis, Garoli

Aptamer-based sensing of small molecules such as dopamine and serotonin in the brain, requires characterization of the specific aptamer sequences in solutions mimicking the in vivo environment with physiological ionic concentrations. In particular, d

Externí odkaz: http://arxiv.org/abs/2308.13396

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Plasmonic Photochemistry as a Tool to Prepare Metallic Nanopores with Controlled Diameter

Autor: Lanzavecchia, German, Kuttruff, Joel, Doricchi, Andrea, Douaki, Ali, Krishnadas, Kumaranchira Ramankutty, Garcia, Isabel, Rodríguez, Alba Viejo, Wågberg, Thomas, Krahne, Roman, Maccaferri, Nicolò, Garoli, Denis

We show that plasmonic solid-state nanopores with tunable hole diameter can be prepared via a photocatalytic effect resulting from the enhanced electromagnetic field inside a metallic ring prepared on top of a dielectric nanotube. Under white light i

Externí odkaz: http://arxiv.org/abs/2302.05982

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