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Showing 13 to 24 of 301 entries
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Synthesis and adsorption of shape-persistent macrocycles containing polycyclic aromatic hydrocarbons in the rigid framework.

Langmuir : the ACS journal of surfaces and colloids

Cheng X, Ver Heyen A, Mamdouh W, Uji-i H, De Schryver F, Höger S, De Feyter S.
PMID: 17241046
Langmuir. 2007 Jan 30;23(3):1281-6. doi: 10.1021/la062360r.

Shape-persistent macrocycles with interiors in the nanometer regime were prepared by the oxidative cyclization of the appropriate bisacetylene precursors under high-dilution conditions. These compounds contain polycyclic aromatic hydrocarbons in the ring backbone and are decorated with extra annular oligoalkyl...

Molecule-molecule versus molecule-substrate interactions in the assembly of oligothiophenes at surfaces.

The journal of physical chemistry. B

Surin M, Leclère P, De Feyter S, Abdel-Mottaleb MM, De Schryver FC, Henze O, Feast WJ, Lazzaroni R.
PMID: 16610888
J Phys Chem B. 2006 Apr 20;110(15):7898-908. doi: 10.1021/jp056824q.

In this paper we present a joint experimental and theoretical approach for the study of the assembly of end-substituted oligothiophenes at surfaces with different polarities (i.e., mica vs graphite). Scanning probe microscopy studies of (sub)monolayer deposits show various types...

Bias-dependent visualization of electron donor (D) and electron acceptor (A) moieties in a chiral DAD triad molecule.

Journal of the American Chemical Society

Miura A, Chen Z, Uji-I H, De Feyter S, Zdanowska M, Jonkheijm P, Schenning AP, Meijer EW, Würthner F, De Schryver FC.
PMID: 14653714
J Am Chem Soc. 2003 Dec 10;125(49):14968-9. doi: 10.1021/ja037407z.

The 2D crystal lattice structure and bias-dependent contrast of a chiral electron donor-acceptor-donor triad system, composed of two oligo(p-phenylene vinylene) electron donors and a perylenediimide electron acceptor (OPV4-PDI-OPV4), have been studied by means of scanning tunneling microscopy (STM) at...

Self-assembly at the liquid/solid interface: STM reveals.

The journal of physical chemistry. B

De Feyter S, De Schryver FC.
PMID: 16851494
J Phys Chem B. 2005 Mar 17;109(10):4290-302. doi: 10.1021/jp045298k.

The liquid/solid interface provides an ideal environment to investigate self-assembly phenomena, and scanning tunneling microscopy (STM) is the preferred methodology to probe the structure and the properties of physisorbed monolayers on the nanoscale. Physisorbed monolayers are of relevance in...

Site-selective guest inclusion in molecular networks of butadiyne-bridged pyridino and benzeno square macrocycles on a surface.

Journal of the American Chemical Society

Tahara K, Lei S, Mamdouh W, Yamaguchi Y, Ichikawa T, Uji-I H, Sonoda M, Hirose K, De Schryver FC, De Feyter S, Tobe Y.
PMID: 18447355
J Am Chem Soc. 2008 May 28;130(21):6666-7. doi: 10.1021/ja711422h. Epub 2008 May 01.

We present here the formation of a modular 2D molecular network composed of two different types of square-shaped butadiyne-bridged macrocycles, having intrinsic molecular voids, aligned alternately at the solid-liquid interface. Site-selective inclusion of a guest cation took place at...

Molecular geometry directed Kagomé and honeycomb networks: toward two-dimensional crystal engineering.

Journal of the American Chemical Society

Furukawa S, Uji-i H, Tahara K, Ichikawa T, Sonoda M, De Schryver FC, Tobe Y, De Feyter S.
PMID: 16536507
J Am Chem Soc. 2006 Mar 22;128(11):3502-3. doi: 10.1021/ja0583362.

We present here the formation of a molecular Kagomé network within a two-dimensional (2D) crystal on a surface. This system provides a clear example of how, by design, molecular geometry can be expressed at the level of the 2D...

Hydrogen bond directed self-assembly of core-substituted naphthalene bisimides with melamines in solution and at the graphite interface.

Organic & biomolecular chemistry

Thalacker C, Miura A, De Feyter S, De Schryver FC, Würthner F.
PMID: 15678178
Org Biomol Chem. 2005 Feb 07;3(3):414-22. doi: 10.1039/b414443k. Epub 2004 Dec 21.

A series of red and blue highly fluorescent core-substituted naphthalene bisimide dyes has been synthesized and they have been investigated as supramolecular building blocks. NMR and UV-Vis titration experiments of these dyes with complementary melamines revealed the formation of...

Percutaneous coronary intervention for chronic total occlusions: value of preprocedural multislice CT guidance.

BMJ case reports

Van Mieghem CA, van der Ent M, de Feyter PJ.
PMID: 21687195
BMJ Case Rep. 2009;2009:bcr2006105031. doi: 10.1136/bcr.2006.105031. Epub 2009 Feb 18.

No abstract available.

Two-dimensional oligo(phenylene-ethynylene-butadiynylene)s: all-covalent nanoscale spoked wheels.

Chemistry (Weinheim an der Bergstrasse, Germany)

Lei S, Ver Heyen A, De Feyter S, Surin M, Lazzaroni R, Rosenfeldt S, Ballauff M, Lindner P, Mössinger D, Höger S.
PMID: 19191234
Chemistry. 2009 Mar 02;15(11):2518-35. doi: 10.1002/chem.200801939.

Round and round: Covalently bound spokes induce an efficient template-directed cyclization towards a rigid molecular wheel (see figure) and afford dramatically increased shape-persistence properties compared with non-strutted macrocycles.The synthesis and characterization of a shape-persistent two-dimensional (2D) organic compound is...

Molecular and supramolecular networks on surfaces: from two-dimensional crystal engineering to reactivity.

Angewandte Chemie (International ed. in English)

Elemans JA, Lei S, De Feyter S.
PMID: 19746490
Angew Chem Int Ed Engl. 2009;48(40):7298-332. doi: 10.1002/anie.200806339.

The invention of the scanning tunneling microscope has led to the visualization of molecules in real space on atomically flat conductive substrates. This has boosted research into supramolecular chemistry on surfaces. In this Review, we highlight recent developments in...

Bivalirudin: a direct thrombin inhibitor used during percutaneous coronary intervention.

Future cardiology

de Feyter PJ.
PMID: 19804047
Future Cardiol. 2005 Nov;1(6):735-41. doi: 10.2217/14796678.1.6.735.

Complications during percutaneous coronary intervention remain of great concern and in particular, intracoronary thrombus formation is an unwanted complication associated with mortality and morbidity. This has been prevented with the use of intense anticoagulant treatment, but often at the...

First-line evaluation of coronary artery disease with coronary calcium scanning or exercise electrocardiography.

International journal of cardiology

Dedic A, Rossi A, Ten Kate GJ, Neefjes LA, Galema TW, Moelker A, van Domburg RT, Schultz CJ, Mollet NR, de Feyter PJ, Nieman K.
PMID: 21689855
Int J Cardiol. 2013 Feb 20;163(2):190-5. doi: 10.1016/j.ijcard.2011.06.002. Epub 2011 Sep 09.

BACKGROUND: Although conventional (CAG) and computed tomography angiography (CTA) are reliable diagnostic modalities for exclusion of obstructive coronary artery disease (CAD), they are costly and with considerable exposure to radiation and contrast media. We compared the accuracy of coronary...

Showing 13 to 24 of 301 entries