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Showing 1 to 12 of 64 entries
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Systematic variational method for statistical nonlinear state and parameter estimation.

Physical review. E, Statistical, nonlinear, and soft matter physics

Ye J, Rey D, Kadakia N, Eldridge M, Morone UI, Rozdeba P, Abarbanel HD, Quinn JC.
PMID: 26651756
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Nov;92(5):052901. doi: 10.1103/PhysRevE.92.052901. Epub 2015 Nov 02.

In statistical data assimilation one evaluates the conditional expected values, conditioned on measurements, of interesting quantities on the path of a model through observation and prediction windows. This often requires working with very high dimensional integrals in the discrete...

Control of molecular organization and energy level alignment by an electronically nanopatterned boron nitride template.

ACS nano

Joshi S, Bischoff F, Koitz R, Ecija D, Seufert K, Seitsonen AP, Hutter J, Diller K, Urgel JI, Sachdev H, Barth JV, Auwärter W.
PMID: 24328081
ACS Nano. 2014 Jan 28;8(1):430-42. doi: 10.1021/nn406024m. Epub 2013 Dec 11.

Suitable templates to steer the formation of nanostructure arrays on surfaces are indispensable in nanoscience. Recently, atomically thin sp(2)-bonded layers such as graphene or boron nitride (BN) grown on metal supports have attracted considerable interest due to their potential...

An immunochemical method for the characterization of polynucleotide phosphorylase from E. Coli.

FEBS letters

Uriel J, Thang MN, Berges J.
PMID: 11946344
FEBS Lett. 1969 Mar;2(5):321-322. doi: 10.1016/0014-5793(69)80053-0.

No abstract available.

X-ray diffraction study of nanocrystalline and amorphous structure within major and minor ampullate dragline spider silks.

Soft matter

Sampath S, Isdebski T, Jenkins JE, Ayon JV, Henning RW, Orgel JP, Antipoa O, Yarger JL.
PMID: 23569461
Soft Matter. 2012 Jul 07;8(25):6713-6722. doi: 10.1039/C2SM25373A.

Synchrotron X-ray micro-diffraction experiments were carried out on

On-surface light-induced generation of higher acenes and elucidation of their open-shell character.

Nature communications

Urgel JI, Mishra S, Hayashi H, Wilhelm J, Pignedoli CA, Di Giovannantonio M, Widmer R, Yamashita M, Hieda N, Ruffieux P, Yamada H, Fasel R.
PMID: 30787280
Nat Commun. 2019 Feb 20;10(1):861. doi: 10.1038/s41467-019-08650-y.

Acenes are an important class of polycyclic aromatic hydrocarbons which have recently gained exceptional attention due to their potential as functional organic semiconductors. Fundamentally, they are important systems to study the convergence of physico-chemical properties of all-carbon sp

On-Surface Synthesis of Heptacene Organometallic Complexes.

Journal of the American Chemical Society

Urgel JI, Hayashi H, Di Giovannantonio M, Pignedoli CA, Mishra S, Deniz O, Yamashita M, Dienel T, Ruffieux P, Yamada H, Fasel R.
PMID: 28780869
J Am Chem Soc. 2017 Aug 30;139(34):11658-11661. doi: 10.1021/jacs.7b05192. Epub 2017 Aug 15.

We report the on-surface formation of Au-directed heptacene organometallic complexes on a Au(111) template in an ultrahigh vacuum environment. Successive thermal annealing steps investigated by means of scanning tunneling microscopy, noncontact atomic force microscopy, temperature-programmed desorption and density functional...

Lanthanide-Directed Assembly of Interfacial Coordination Architectures-From Complex Networks to Functional Nanosystems.

Accounts of chemical research

Écija D, Urgel JI, Seitsonen AP, Auwärter W, Barth JV.
PMID: 29420010
Acc Chem Res. 2018 Feb 20;51(2):365-375. doi: 10.1021/acs.accounts.7b00379. Epub 2018 Feb 08.

Metallo-supramolecular engineering on surfaces provides a powerful strategy toward low-dimensional coordination architectures with prospects for several application fields. To date, most efforts have relied on transition metal centers, and only recently did we pioneer lanthanide-directed assembly. Coordination spheres and...

Overcoming Steric Hindrance in Aryl-Aryl Homocoupling via On-Surface Copolymerization.

Chemphyschem : a European journal of chemical physics and physical chemistry

Urgel JI, Di Giovannantonio M, Gandus G, Chen Q, Liu X, Hayashi H, Ruffieux P, Decurtins S, Narita A, Passerone D, Yamada H, Liu SX, Müllen K, Pignedoli CA, Fasel R.
PMID: 31087751
Chemphyschem. 2019 Sep 17;20(18):2360-2366. doi: 10.1002/cphc.201900283. Epub 2019 May 14.

On-surface synthesis is a unique tool for growing low-dimensional carbon nanomaterials with precise structural control down to the atomic level. This novel approach relies on carefully designed precursor molecules, which are deposited on suitable substrates and activated to ultimately...

On-Surface Growth Dynamics of Graphene Nanoribbons: The Role of Halogen Functionalization.

ACS nano

Di Giovannantonio M, Deniz O, Urgel JI, Widmer R, Dienel T, Stolz S, Sánchez-Sánchez C, Muntwiler M, Dumslaff T, Berger R, Narita A, Feng X, Müllen K, Ruffieux P, Fasel R.
PMID: 29200262
ACS Nano. 2018 Jan 23;12(1):74-81. doi: 10.1021/acsnano.7b07077. Epub 2017 Dec 11.

On-surface synthesis is a powerful route toward the fabrication of specific graphene-like nanostructures confined in two dimensions. This strategy has been successfully applied to the growth of graphene nanoribbons of diverse width and edge morphology. Here, we investigate the...

Cumulene-like bridged indeno[1,2-b]fluorene π-conjugated polymers synthesized on metal surfaces.

Chemical communications (Cambridge, England)

Martín-Fuentes C, Urgel JI, Edalatmanesh S, Rodríguez-Sánchez E, Santos J, Mutombo P, Biswas K, Lauwaet K, Gallego JM, Miranda R, Jelínek P, Martín N, Écija D.
PMID: 34240088
Chem Commun (Camb). 2021 Aug 07;57(61):7545-7548. doi: 10.1039/d1cc02058g. Epub 2021 Jul 09.

Among the plethora of polycyclic structures that have emerged in recent years, indenofluorenes comprise a unique class of compounds due to their potential in organic electronic systems such as OLEDs, OFETs, and OPVCs. However, the synthesis of fully conjugated...

Unravelling the Open-Shell Character of Peripentacene on Au(111).

The journal of physical chemistry letters

Sánchez-Grande A, Urgel JI, Veis L, Edalatmanesh S, Santos J, Lauwaet K, Mutombo P, Gallego JM, Brabec J, Beran P, Nachtigallová D, Miranda R, Martín N, Jelínek P, Écija D.
PMID: 33352044
J Phys Chem Lett. 2021 Jan 14;12(1):330-336. doi: 10.1021/acs.jpclett.0c02518. Epub 2020 Dec 22.

Polycyclic aromatic hydrocarbons (PAHs) are a family of organic compounds comprising two or more fused aromatic rings which feature manifold applications in modern technology. Among these species, those presenting an open-shell magnetic ground state are of particular interest for...

On-Surface Synthesis of Cumulene-Containing Polymers via Two-Step Dehalogenative Homocoupling of Dibromomethylene-Functionalized Tribenzoazulene.

Angewandte Chemie (International ed. in English)

Urgel JI, Di Giovannantonio M, Eimre K, Lohr TG, Liu J, Mishra S, Sun Q, Kinikar A, Widmer R, Stolz S, Bommert M, Berger R, Ruffieux P, Pignedoli CA, Müllen K, Feng X, Fasel R.
PMID: 32350979
Angew Chem Int Ed Engl. 2020 Aug 03;59(32):13281-13287. doi: 10.1002/anie.202001939. Epub 2020 May 29.

Cumulene compounds are notoriously difficult to prepare and study because their reactivity increases dramatically with the increasing number of consecutive double bonds. In this respect, the emerging field of on-surface synthesis provides exceptional opportunities because it relies on reactions...

Showing 1 to 12 of 64 entries