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Nitric oxide-releasing porous silicon nanoparticles.

Nanoscale research letters

Kafshgari MH, Cavallaro A, Delalat B, Harding FJ, McInnes SJ, Mäkilä E, Salonen J, Vasilev K, Voelcker NH.
PMID: 25114633
Nanoscale Res Lett. 2014 Jul 04;9(1):333. doi: 10.1186/1556-276X-9-333. eCollection 2014.

In this study, the ability of porous silicon nanoparticles (PSi NPs) to entrap and deliver nitric oxide (NO) as an effective antibacterial agent is tested against different Gram-positive and Gram-negative bacteria. NO was entrapped inside PSi NPs functionalized by...

Strong antiferromagnetic exchange between manganese phthalocyanine and ferromagnetic europium oxide.

Chemical communications (Cambridge, England)

Wäckerlin C, Donati F, Singha A, Baltic R, Uldry AC, Delley B, Rusponi S, Dreiser J.
PMID: 26171839
Chem Commun (Camb). 2015 Aug 21;51(65):12958-61. doi: 10.1039/c5cc01823d.

We report on the antiferromagnetic exchange coupling between a submonolayer of Mn(II)-phthalocyanine molecules and a ferromagnetic Eu(II)-oxide thin film. The exchange energy is larger by nearly two orders of magnitude compared to previous studies involving oxidic substrates.

Out-of-Plane Alignment of Er(trensal) Easy Magnetization Axes Using Graphene.

ACS nano

Dreiser J, Pacchioni GE, Donati F, Gragnaniello L, Cavallin A, Pedersen KS, Bendix J, Delley B, Pivetta M, Rusponi S, Brune H.
PMID: 26814851
ACS Nano. 2016 Feb 23;10(2):2887-92. doi: 10.1021/acsnano.5b08178. Epub 2016 Feb 08.

We have studied Er(trensal) single-ion magnets adsorbed on graphene/Ru(0001), on graphene/Ir(111), and on bare Ru(0001) by scanning tunneling microscopy and X-ray absorption spectroscopy. On graphene, the molecules self-assemble into dense and well-ordered islands with their magnetic easy axes perpendicular...

Synthesis and characterization of secondary nitrosamines from secondary amines using sodium nitrite and p-toluenesulfonic acid.

Chemistry, an Asian journal

Miró Sabaté C, Delalu H.
PMID: 25582458
Chem Asian J. 2015 Mar;10(3):674-8. doi: 10.1002/asia.201403182. Epub 2015 Jan 12.

We synthesized nitrosamines (R2N-NO) with R = iPr (1), nPr (2), nBu (3), and hydroxyethyl (4) from the amine using sodium nitrite/p-toluenesulfonic acid in CH2Cl2. The rate of formation of 1-4 increases in the direction iPr

Noninvasive Helicobacter pylori testing was as effective as endoscopy for managing dyspepsia.

ACP journal club

Delaney B.
PMID: 12511128
ACP J Club. 2003 Jan-Feb;138(1):16-7.

No abstract available.

Magnetic metastability in tetrahedrally bonded magnetic III-nitride semiconductors.

Physical review letters

Cui XY, Delley B, Freeman AJ, Stampfl C.
PMID: 16907389
Phys Rev Lett. 2006 Jul 07;97(1):016402. doi: 10.1103/PhysRevLett.97.016402. Epub 2006 Jul 07.

Results of density-functional calculations for isolated transition metal (TM = V, Cr, Mn, Fe, Co, Ni on cation sites) doped GaN demonstrate a novel magnetic metastability in dilute magnetic semiconductors. In addition to the expected high spin ground states...

Ozone adsorption on carbon nanotubes: the role of Stone-Wales defects.

The Journal of chemical physics

Picozzi S, Santucci S, Lozzi L, Valentini L, Delley B.
PMID: 15267620
J Chem Phys. 2004 Apr 15;120(15):7147-52. doi: 10.1063/1.1669381.

First-principles calculations within the density functional theory have been performed in order to investigate ozone adsorption on carbon nanotubes. Particular emphasis is placed on the effects of Stone-Wales-like defects on the structural and electronic properties of (i) ideal tubes...

Comment on "Theoretical study of the photoinduced transfer among the ground state and two metastable states in [Fe(CN)5NO]2-" [J. Chem. Phys. 122, 074314 (2005)].

The Journal of chemical physics

Schaniel D, Woike T, Delley B, Schefer J, Imlau M.
PMID: 16095388
J Chem Phys. 2005 Jul 22;123(4):047101; author reply 047102. doi: 10.1063/1.1989317.

We discuss the computational results of the "Theoretical study of the photoinduced transfer among the ground state and two metastable states in [Fe(CN)5NO]2-" [J. Chem. Phys. 122, 074314 (2005)] with respect to our previously reported polarized absorption study on...

Trimesitylmethylphosphonium cation. Supramolecular stereocontrol and simple enantiomerization mechanism determination.

The Journal of organic chemistry

Laleu B, Bernardinelli G, Chauvin R, Lacour J.
PMID: 16958536
J Org Chem. 2006 Sep 15;71(19):7412-6. doi: 10.1021/jo061097w.

Stereocontrol over the propeller isomerism of trimesitylmethylphosphonium cation was achieved through an ion pairing with chiral hexacoordinated phosphate anions; the asymmetric ion pairing allowed also a most simple experimental proof of the nature of the enantiomerization pathway in solution...

Quantum confinement effects in gallium nitride nanostructures: ab initio investigations.


Carter DJ, Puckeridge M, Delley B, Stampfl C.
PMID: 19779245
Nanotechnology. 2009 Oct 21;20(42):425401. doi: 10.1088/0957-4484/20/42/425401. Epub 2009 Sep 25.

We present ab initio density functional investigations of the atomic and electronic structure of gallium nitride nanodots and nanowires. With increasing diameter, the average Ga-N bond length in the nanostructures increases, as does the relative stability (heat of formation),...

Long-lived light-induced metastable states in trans-[Ru(NH3)4(H2O)NOCl3 x H2O and related compounds.

Physical chemistry chemical physics : PCCP

Schaniel D, Woike T, Delley B, Boskovic C, Biner D, Krämer KW, Güdel HU.
PMID: 19791328
Phys Chem Chem Phys. 2005 Mar 21;7(6):1164-70. doi: 10.1039/b415435e.

The existence of two light-induced long-lived metastable states SI, SII in irradiated trans-[Ru(NH3)4(H2O)NO]Cl3 x H2O and trans-[Ru(NH3)4(OH)NO]Cl2 is revealed by differential scanning calorimetry measurements and calculations based on density functional theory. Irradiation with light in the blue spectral range...

Electronic structure and oxygen vacancies in PdO and ZnO: validation of DFT models.

Physical chemistry chemical physics : PCCP

Bruska MK, Czekaj I, Delley B, Mantzaras J, Wokaun A.
PMID: 21826290
Phys Chem Chem Phys. 2011 Sep 21;13(35):15947-54. doi: 10.1039/c1cp20923j. Epub 2011 Aug 08.

PdO is one of the most important catalytic materials currently used in the industry. In redox catalytic reactions involving PdO, the bulk phase is an additional source of oxygen. This leads to strong transformations not only at the surface...

Showing 1 to 12 of 174 entries