References of "Remacle, Françoise"
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See detailThe Role of Super-Atom Molecular Orbitals in Doped Fullerenes in a Femtosecond Intense Laser Field
Xiong, Hui; Mignolet, Benoît ULg; Fang, Li et al

in Scientific Reports (2017)

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See detailA Probabilistic Finite State Logic Machine Realized Experimentally on a Single Dopant Atom
Fresch, Barbara; Bocquel, Juanita; Rogge, Sven et al

in Nano Letters (2017), 17

Exploiting the potential of nanoscale devices for logic processing requires the implementation of computing functionalities departing from the conventional switching paradigm. We report on the design and ... [more ▼]

Exploiting the potential of nanoscale devices for logic processing requires the implementation of computing functionalities departing from the conventional switching paradigm. We report on the design and the experimental realisation of a probabilistic finite state machine in a single phosphorus donor atom placed in a silicon matrix electrically addressed and probed by Scanning Tunneling Spectroscopy (STS). The single atom logic unit simulates the flow of visitors in a maze whose topology is determined by the dynamics of the electronic transport through the states of the dopant. By considering the simplest case of a unique charge state for which three electronic states can be resolved, we demonstrate an efficient solution of the following problem: in a maze of four connected rooms, what is the optimal combination of door opening rates in order to maximize the time that visitors spend in one specific chamber? The implementation takes advantage of the stochastic nature of electron tunneling while the output remains the macroscopic current whose reading can be realized with standard techniques and does not require single electron sensitivity. [less ▲]

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See detailContinuous variables logic via coupled automata using a DNAzyme cascade with feedback
Lilienthal, Sivan; Orbach, Ron; Willner, Itamar et al

in Chemical Science (2017), 8

The concentration of molecules can be changed by chemical reactions and thereby offer a continuous readout. Yet computer architecture is cast in textbooks in terms of binary valued, Boolean variables. To ... [more ▼]

The concentration of molecules can be changed by chemical reactions and thereby offer a continuous readout. Yet computer architecture is cast in textbooks in terms of binary valued, Boolean variables. To enable reactive chemical systems to compute we show how, using the Cox interpretation of probability theory, one can transcribe the equations of chemical kinetics as a sequence of coupled logic gates operating on continuous variables. It is discussed how the distinct chemical identity of a molecule allows us to create a common language for chemical kinetics and Boolean logic. Specifically, the logic AND operation is shown to be equivalent to a bimolecular process. The logic XOR operation represents chemical processes that take place concurrently. The values of the rate constants enter the logic scheme as inputs. By designing a reaction scheme with a feedback we endow the logic gates with a built in memory because their output then depends on the input and also on the present state of the system. Technically such a logic machine is an automaton. We report an experimental realization of three such coupled automata using a DNAzyme multilayer signaling cascade. A simple model verifies analytically that our experimental scheme provides an integrator generating a power series that is third order in time. The model identifies two parameters that govern the kinetics and shows how the initial concentrations of the substrates are the coefficients in the power series. [less ▲]

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See detailA new electron-ion coincidence 3D momentum-imaging method and its application in probing strong field dynamics of 2-phenylethyl-N, N-dimethylamine
fan, lin; Lee, Suk Kyoung; Tu, Yi-Jung et al

in Journal of Chemical Physics (2017)

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See detailNuclear Motion Driven Ultrafast Photodissociative Charge Transfer of the PENNA Cation: An Experimental and Computational Study
Sun, Shoutian; Mignolet, Benoît ULg; Fan, lin et al

in Journal of Physical Chemistry A (2017)

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See detailTransition from SAMO to Rydberg State Ionization in C60 in Femtosecond Laser Fields
Li, H.; Mignolet, Benoît ULg; Wang, Z. et al

in Journal of Physical Chemistry Letters (2016), 7(22), 4677-4682

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See detailMicrofluidic chip with molecular beacons detects miRNAs in Human CSF to reliably characterize CNS-specific disorders
Zadran, S.; Remacle, Françoise ULg; Levine, R. D.

in RNA & Disease (2016), 3

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See detailProbing in Space and Time the Nuclear Motion Driven by Nonequilibrium Electronic Dynamics in Ultrafast Pumped N2
Ajay, J.; Šmydke, J.; Remacle, Françoise ULg et al

in Journal of Physical Chemistry A (2016), 120(19), 3335-3342

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See detailQuantum Nuclear Dynamics Pumped and Probed by Ultrafast Polarization Controlled Steering of a Coherent Electronic State in LiH
Nikodem, Astrid ULg; Levine, R. D.; Remacle, Françoise ULg

in Journal of Physical Chemistry A (2016), 120(19), 3343-3352

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See detailTechniques for modulating error resilience in emerging multi-value technologies
Sjalander, Magnus; Borgstr, Gustaf; Klymenko, Mykhailo ULg et al

in Proceedings of the ACM International Conference on Computing Frontiers (2016)

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See detailOperation of a quantum dot in the finite-state machine mode: Single-electron dynamic memory
Klymenko, Mykhailo ULg; Klein, M.; Levine, R. D. et al

in Journal of Applied Physics (2016), 120(2), 024503

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See detailControlling coherent quantum nuclear dynamics in LiH by ultra short IR atto pulses
Nikodem, Astrid ULg; Levine, R. D.; Remacle, Françoise ULg et al

in Progress in Ultrafast Laser Science XIII (2016)

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See detailExperimental and Theoretical Study of the Reactivity of Gold Nanoparticles Towards Benzimidazole-2-ylidene Ligands
Rodríguez-Castillo, María; Lugo-Preciado, Gustavo; Laurencin, Danielle et al

in Chem. Eur. J. (2016), 22

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See detailForce measurements reveal how small binders perturb the dissociation mechanisms of DNA duplex sequences
Burmistrova, Anastasia; Fresch, Barbara ULg; Sluysmans, Damien ULg et al

in Nanoscale (2016), 8

The force-driven separation of double-stranded DNA is crucial to the accomplishment of cellular pro- cesses like genome transactions. Ligands binding to short DNA sequences can have a local stabilizing or ... [more ▼]

The force-driven separation of double-stranded DNA is crucial to the accomplishment of cellular pro- cesses like genome transactions. Ligands binding to short DNA sequences can have a local stabilizing or destabilizing effect and thus severely affect these processes. Although the design of ligands that bind to specific sequences is a field of intense research with promising biomedical applications, so far, their effect on the force-induced strand separation has remained elusive. Here, by means of AFM-based single mole- cule force spectroscopy, we show the co-existence of two different mechanisms for the separation of a short DNA duplex and demonstrate how they are perturbed by small binders. With the support of Mole- cular Dynamics simulations, we evidence that above a critical pulling rate one of the dissociation pathways becomes dominant, with a dramatic effect on the rupture forces. Around the critical threshold, we observe a drop of the most probable rupture forces for ligand-stabilized duplexes. Our results offer a deep understanding of how a stable DNA–ligand complex behaves under force-driven strand separation [less ▲]

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See detailMetabolomic analysis of the green microalga Chlamydomonas reinhardtii cultivated under day/night conditions
Willamme, Rémi ULg; Alsafra, Zouheir; Arumugam, Rameshkumar et al

in Journal of Biotechnology (2015)

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See detailThe living of the green microalga Chlamydomonas reinhardtii in day/night cycles
Willamme, Rémi ULg; Alsafra, Zouheir; Alsafra, Rameshkumar et al

Poster (2015, March 13)

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See detailMeasurement and laser control of attosecond charge migration in ionized iodoacetylene
Kraus, P. M.; Mignolet, Benoît ULg; Baykusheva, D. et al

in Science (2015), 350(6262), 790-795

The ultrafast motion of electrons and holes after light-matter interaction is fundamental to a broad range of chemical and biophysical processes. We advanced high-harmonic spectroscopy to resolve ... [more ▼]

The ultrafast motion of electrons and holes after light-matter interaction is fundamental to a broad range of chemical and biophysical processes. We advanced high-harmonic spectroscopy to resolve spatially and temporally the migration of an electron hole immediately after ionization of iodoacetylene while simultaneously demonstrating extensive control over the process. A multidimensional approach, based on the measurement and accurate theoretical description of both even and odd harmonic orders, enabled us to reconstruct both quantum amplitudes and phases of the electronic states with a resolution of ~100 attoseconds. We separately reconstructed quasi–field-free and laser-controlled charge migration as a function of the spatial orientation of the molecule and determined the shape of the hole created by ionization. Our technique opens the prospect of laser control over electronic primary processes. [less ▲]

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See detailCharge Redistribution Effects on the UV-VIS Spectra of Small Ligated Gold Clusters: a Computational Study
Lugo Preciado, Jesus Gustavo ULg; Schwanen, Valérie ULg; Fresch, Barbara ULg et al

in Journal of Physical Chemistry C (2015), 119(20), 10969-10980

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See detailComputational benchmarking for ultrafast electron dynamics: wavefunction methods vs density functional theory
Oliveira, Micael J. T.; Mignolet, Benoît ULg; Kus, Tomasz et al

in Journal of Chemical Theory and Computation (2015), 11

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