Publications by Aleksandra Radenovic

Micro-fabrication process for small transport devices of layered manganite

Henrik Moodysson Rønnow, Aleksandra Radenovic, Andras Kis, Arash Alahgholipour Omrani

Devices have been fabricated based on the bilayer manganite La1.4Sr1.6Mn2O7, which in the bulk state orders magnetically below 90 K, at which point both in-plane and c-axis bulk resistivity decrease by 2-3 orders of magnitude. We provide an optimized proce ...

American Institute of Physics2012

Quantitative Photo Activated Localization Microscopy: Unraveling the Effects of Photoblinking

Ursula Röthlisberger, Aleksandra Radenovic, Stefano Vanni, Paolo Annibale, Marco Scarselli

In this work we discuss how to use photophysical information for improved quantitative measurements using Photo Activated Localization Microscopy (PALM) imaging. We introduce a method that reliably estimates the number of photoblinking molecules present in ...

Public Library of Science2011

Nonlinear Optical Response in Single Alkaline Niobate Nanowires

Aleksandra Radenovic, Kurt Schenk, Fabrizia Dutto, Camille Alice Raillon

We have synthesized and characterized three types of perovskite alkaline niobate nanowires: NaNbO3, KNbO3, and LiNbO3 (XNbO3). All three types of nanowires exhibit strong nonlinear response. Confocal imaging has been employed to quantitatively compare the ...

2011

Photoactivatable Fluorescent Protein mEos2 Displays Repeated Photoactivation after a Long-Lived Dark State in the Red Photoconverted Form

Aleksandra Radenovic, Paolo Annibale, Marco Scarselli

Illumination with 405 nm light can recover the emission for single green fluorescent protein (GFP) mutants that have gone into a long-lived dark state. The reported behavior is the standard for the reverse photoswitchable protein Dronpa and its mutants. Ho ...

2010

ssDNA Binding Reveals the Atomic Structure of Graphene

Aleksandra Radenovic, Andras Kis, Paolo Annibale, Floriano Traversi

We used AFM to investigate the interaction of polyelectrolytes such as ssDNA and dsDNA molecules with graphene as a substrate. Graphene is an appropriate substrate due to its planarity, relatively large surfaces that are detectable via an optical microscop ...

American Chemical Society2010

Beta amyloid and hyperphosphorylated tau deposits in the pancreas in type 2 diabetes

László Forró, Aleksandra Radenovic, Andras Kis

Strong epidemiologic evidence suggests an association between Alzheimer disease (AD) and type 2 diabetes. To determine if amyloid beta (A

\beta

) and hyperphosphorylated tau occurs in type 2 diabetes, pancreas tissues from 21 autopsy cases (10 type 2 diabe ...

Elsevier2010

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

Nanowire assembly, e.g. for optical probes, comprises optically trapping high aspect ratio semiconductor nanowire with infrared single-beam optical trap and attaching nanowire to organic or inorganic structure

Aleksandra Radenovic

NOVELTY - A nanowire assembly method comprises optically trapping a semiconductor nanowire with an infrared single-beam optical trap and attaching the nanowire to an organic or inorganic structure by laser fusing. The nanowire is further trapped in a fluid ...

2007

Tunable nanowire nonlinear optical probe

Aleksandra Radenovic

One crucial challenge for subwavelength optics has been the development of a tunable source of coherent laser radiation for use in the physical, information and biological sciences that is stable at room temperature and physiological conditions. Current ad ...

2007

Controlling DNA capture and propagation through artificial nanopores

Aleksandra Radenovic

Electrophorescing blopolymers across nanopores modulates the ionic current through the pore, revealing the polymer's diameter, length, and conformation. The rapidity of polymer translocation (similar to 30 000 bp/ms) in this geometry greatly limits the inf ...

American Chemical Society2007

Aleksandra Radenovic

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Micro-fabrication process for small transport devices of layered manganite

Quantitative Photo Activated Localization Microscopy: Unraveling the Effects of Photoblinking

Nonlinear Optical Response in Single Alkaline Niobate Nanowires

Photoactivatable Fluorescent Protein mEos2 Displays Repeated Photoactivation after a Long-Lived Dark State in the Red Photoconverted Form

ssDNA Binding Reveals the Atomic Structure of Graphene

Beta amyloid and hyperphosphorylated tau deposits in the pancreas in type 2 diabetes

Fabrication of 10 nm diameter hydrocarbon nanopores

Nanowire assembly, e.g. for optical probes, comprises optically trapping high aspect ratio semiconductor nanowire with infrared single-beam optical trap and attaching nanowire to organic or inorganic structure

Tunable nanowire nonlinear optical probe

Controlling DNA capture and propagation through artificial nanopores

ssDNA Binding Reveals the Atomic Structure of Graphene

Beta amyloid and hyperphosphorylated tau deposits in the pancreas in type 2 diabetes

Nanowire assembly, e.g. for optical probes, comprises optically trapping high aspect ratio semiconductor nanowire with infrared single-beam optical trap and attaching nanowire to organic or inorganic structure

Quantitative Photo Activated Localization Microscopy: Unraveling the Effects of Photoblinking

Micro-fabrication process for small transport devices of layered manganite

Nonlinear Optical Response in Single Alkaline Niobate Nanowires

Photoactivatable Fluorescent Protein mEos2 Displays Repeated Photoactivation after a Long-Lived Dark State in the Red Photoconverted Form

Fabrication of 10 nm diameter hydrocarbon nanopores

Tunable nanowire nonlinear optical probe

Controlling DNA capture and propagation through artificial nanopores