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Aleksandra Radenovic

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Publications associées (152)

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Selective Growth of van der Waals Heterostructures Enabled by Electron-Beam Irradiation

Aleksandra Radenovic, Michal Daniel Macha

Van der Waals heterostructures (vdWHSs) enable the fabricationof complex electronic devices based on two-dimensional (2D) materials.Ideally, these vdWHSs should be fabricated in a scalable and repeatableway and only in the specific areas of the substrate t ...

AMER CHEMICAL SOC2023

Wafer-Scale Fabrication of Nanopore Devices for Single-Molecule DNA Biosensing using MoS2

Aleksandra Radenovic, Andras Kis, Martina Lihter, Michal Daniel Macha, Michael Graf, Andrey Chernev, Mukesh Kumar Tripathi, Mukeshchand Thakur, Jochem Deen

Atomically thin (2D) nanoporous membranes are an excellent platform for a broad scope of academic research. Their thickness and intrinsic ion selectivity (demonstrated for example in molybdenum disulfide-MoS2) make them particularly attractive for single-m ...

2020

MosaicIA: an ImageJ/Fiji plugin for spatial pattern and interaction analysis

Aleksandra Radenovic, Arun Shivanandan

Background: Analyzing spatial distributions of objects in images is a fundamental task in many biological studies. The relative arrangement of a set of objects with respect to another set of objects contains information about potential interactions between ...

BioMed Central2013

Direct Growth of Hexagonal Boron Nitride on Photonic Chips for High-Throughput Characterization

Aleksandra Radenovic, Martina Lihter, Evgenii Glushkov, Vytautas Navikas, Reza Zamani, Andrey Chernev, Jean Camille Benjamin Comtet

Adapting optical microscopy methods for nanoscale characterization of defects in two-dimensional (2D) materials is a vital step for photonic on-chip devices. To increase the analysis throughput, waveguide-based on-chip imaging platforms have been recently ...

AMER CHEMICAL SOC2021

DNA Trans location through Low-Noise Glass Nanopores

Aleksandra Radenovic, Roman Bulushev, Lorenz Jan Steinbock, Camille Alice Raillon

The effect of electron irradiation-induced shrinking on glass nanocapillaries with diameters ranging from 75 to 14 nm was analyzed by measuring the conductance characteristics with and without DNA translocation. We have investigated nanocapillary shrinking ...

American Chemical Society2013

Detecting topological variations of DNA at single-molecule level

Aleksandra Radenovic, Georg Fantner, Adrian Pascal Nievergelt, Ke Liu

In addition to their use in DNA sequencing, ultrathin nanopore membranes have potential applications in detecting topological variations in deoxyribonucleic acid (DNA). This is due to the fact that when topologically edited DNA molecules, driven by electro ...

Nature Research2019

Enhancement of Second Harmonic Signal in Nanofabricated Cones

Anna Fontcuberta i Morral, Aleksandra Radenovic, Martin Heiss, Andrea Lovera, Oriol López Sánchez, Fabrizia Dutto

Geometrical effects in optical nanostructures on nanoscale can lead to interesting phenomena such as inhibition of spontaneous emission,(1,2) high-reflecting omnidirectional mirrors, structures that exhibit low-loss-waveguiding,(3) and light confinement.(4 ...

2013

Fabrication of 10 nm diameter hydrocarbon nanopores

Aleksandra Radenovic

The addition of carbon to samples, during transmission electron microscope imaging, presents a barrier to accurate analysis; the controlled deposition of hydrocarbons by a focused electron beam can be a useful technique for local nanometer-scale sculpting ...

American Institute of Physics2008

High-speed multiplane structured illumination microscopy of living cells using an image-splitting prism

Theo Lasser, Aleksandra Radenovic, Vytautas Navikas, Tomas Lukes, Adrien Charles-François Raymond Descloux

Super-resolution structured illumination microscopy (SR-SIM) can be conducted at video-rate acquisition speeds when combined with high-speed spatial light modulators and sCMOS cameras, rendering it particularly suitable for live-cell imaging. If, however, ...

2020

Label-Free Techniques for Probing Biomolecular Condensates

Akhil Sai Naidu, Aleksandra Radenovic, Wayne Yang Wen Wei, Helena Miljkovic, Khalid Ashraf Mohie Ibrahim

Biomolecular condensates play important roles in a wide array of fundamental biological processes, such as cellular compartmentalization, cellular regulation, and other biochemical reactions. Since their discovery and first observations, an extensive and e ...

Amer Chemical Soc2024

High durability and stability of 2D nanofluidic devices for long-term single-molecule sensing

Aleksandra Radenovic, Andras Kis, Martina Lihter, Michal Daniel Macha, Yanfei Zhao, Andrey Chernev, Mukesh Kumar Tripathi, Mukeshchand Thakur, Miao Zhang, Yunfei Teng, Nianduo Cai

Nanopores in two-dimensional (2D) membranes hold immense potential in single-molecule sensing, osmotic power generation, and information storage. Recent advances in 2D nanopores, especially on single-layer MoS2, focus on the scalable growth and manufacturi ...

2023

Identification of single nucleotides in MoS2 nanopores

Aleksandra Radenovic, Andras Kis, Ke Liu, Dumitru Dumcenco, Roman Bulushev, Jiandong Feng

The size of the sensing region in solid-state nanopores is determined by the size of the pore and the thickness of the pore membrane, so ultrathin membranes such as graphene and single-layer molybdenum disulphide could potentially offer the necessary spati ...

Nature Publishing Group2015

Light-Enhanced Blue Energy Generation Using MoS2 Nanopores

Aleksandra Radenovic, Andras Kis, Martina Lihter, Michael Graf, Dmitrii Unuchek

Blue energy relies on the chemical potential difference between solutions of high and low ionic concentrations, potentially providing an independent energy source at estuaries around the world. The energy conversion relies on reverse electrodialysis via io ...

2019

Time-Resolved Scanning Ion Conductance Microscopy for Three-Dimensional Tracking of Nanoscale Cell Surface Dynamics

Aleksandra Radenovic, Georg Fantner, Daniel Constam, Alexandre Louis André Persat, Adrian Pascal Nievergelt, Vytautas Navikas, Xavier Jean-Yves Pierrat, Samuel Mendes Leitão, Katarina Pinjusic, Barney Frederick Drake, Charlène Cécile Geneviève Brillard

Nanocharacterization plays a vital role in understanding the complex nanoscale organization of cells and organelles. Understanding cellular function requires high-resolution information about how the cellular structures evolve over time. A number of techni ...

AMER CHEMICAL SOC2021

Nature-Inspired Stalactite Nanopores for Biosensing and Energy Harvesting

Aleksandra Radenovic, Victor Carle Adrien Boureau, Andrey Chernev, Mukeshchand Thakur, Tzu-Heng Chen, Yunfei Teng, Vasily Artemov, Lucie Navratilova, Nianduo Cai

Nature provides a wide range of self-assembled structures from the nanoscale to the macroscale. Under the right thermodynamic conditions and with the appropriate material supply, structures like stalactites, icicles, and corals can grow. However, the natur ...

Wiley-V C H Verlag Gmbh2023

The Three-Phase Contact Potential Difference Modulates the Water Surface Charge

Aleksandra Radenovic, Andrei Kiselev, Vasily Artemov

The surface charge of an open water surface is crucialfor solvationphenomena and interfacial processes in aqueous systems. However, themagnitude of the charge is controversial, and the physical mechanismof charging remains incompletely understood. Here we ...

AMER CHEMICAL SOC2023

Fabrication and practical applications of molybdenum disulfide nanopores

Aleksandra Radenovic, Martina Lihter, Ke Liu, Michael Graf, Jiandong Feng, Mukeshchand Thakur

Among the different developed solid-state nanopores, nanopores constructed in a monolayer of molybdenum disulfide (MoS2) stand out as powerful devices for single-molecule analysis or osmotic power generation. Because the ionic current through a nanopore is ...

Nature Publishing Group2019

Manufacturing of orifices in glass like materials, e.g. Nanocapillaries, and objects obtained according to this process

Aleksandra Radenovic, Lorenz Jan Steinbock

The ability to reshape nanopores and observe their shrinkage under an electron microscope is a powerful and novel technique14,17. It increases the sensitivity of the resistive pulse sensing and enables to detect very short and small molecules12,31. However ...

2016

Wide-field fluorescence lifetime imaging of single molecules with a gated single-photon camera

Edoardo Charbon, Claudio Bruschini, Aleksandra Radenovic, Matteo Dal Peraro, Nathan Cyprien Arsène Ronceray, Marianna Fanouria Mitsioni

Fluorescence lifetime imaging microscopy (FLIM) is a powerful tool to discriminate fluorescent molecules or probe their nanoscale environment. Traditionally, FLIM uses time-correlated single-photon counting (TCSPC), which is precise but intrinsically low-t ...

2025

Wetting of nanopores probed with pressure

Aleksandra Radenovic, Michal Daniel Macha, Sanjin Marion, Andrey Chernev, Sebastian James Davis

Nanopores are both a tool to study single-molecule biophysics and nanoscale ion transport, but also a promising material for desalination or osmotic power generation. Understanding the physics underlying ion transport through nano-sized pores allows better ...

ROYAL SOC CHEMISTRY2021