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Showing 25 to 36 of 324 entries
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Self-assembly of semifluorinated n-alkanethiols on {111}-oriented Au investigated with scanning tunneling microscopy experiment and theory.

The Journal of chemical physics

Patole SN, Baddeley CJ, O'Hagan D, Richardson NV, Zerbetto F, Zotti LA, Teobaldi G, Hofer WA.
PMID: 17640140
J Chem Phys. 2007 Jul 14;127(2):024702. doi: 10.1063/1.2746252.

The adsorption of semifluorinated alkanethiols on Au/mica was studied by scanning tunneling microscopy (STM). The adlayer structure produced is based on a p(2 x 2) structure though lines of molecules displayed extensive kinks and bends. In addition, a considerable...

Intraspecific variation in Heterobasidion annosum for mortality rate on Pinus sylvestris and Picea abies seedlings grown in pure culture.

Mycologia

Werner A, Lakomy P.
PMID: 21156559
Mycologia. 2002 Sep-Oct;94(5):856-61.

One-month-old Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) seedlings were inoculated in vitro with Heterobasidion annosum strains, four each of the P-, S- and F-intersterility groups. Variation among strains and between the IS groups in virulence, expressed...

Particulate Au and Ag films for optical recording.

Applied optics

Werner A, Hibst H.
PMID: 20548673
Appl Opt. 1989 Apr 01;28(7):1422-8. doi: 10.1364/AO.28.001422.

Particulate films, consisting of a 3-D arrangement of ultrafine Au or Ag particles with diameters of 8-20 nm, were prepared using the gas evaporation technique. As a consequence of the low packing density of the particles, films with a...

Methods in high precision refractometry of optical glasses.

Applied optics

Werner AJ.
PMID: 20068695
Appl Opt. 1968 May 01;7(5):837-43. doi: 10.1364/AO.7.000837.

Five refractive methods and an interferometric method for measuring refractive indices of optical glasses to a precision of several units in the sixth or seventh decimal place are examined. Tables and graphs are presented as aids in evaluating the...

Creating pseudo-Kondo resonances by field-induced diffusion of atomic hydrogen.

Nanotechnology

Hofer WA, Teobaldi G, Lorente N.
PMID: 21828768
Nanotechnology. 2008 Jul 30;19(30):305701. doi: 10.1088/0957-4484/19/30/305701. Epub 2008 Jun 12.

In low-temperature scanning tunneling microscopy (STM) experiments a cerium adatom on Ag(100) possesses two discrete states with significantly different apparent heights. These atomic switches also exhibit a Kondo-like feature in spectroscopy experiments. By extensive theoretical simulations we find that...

Hydroxyl vacancies in single-walled aluminosilicate and aluminogermanate nanotubes.

Journal of physics. Condensed matter : an Institute of Physics journal

Teobaldi G, Beglitis NS, Fisher AJ, Zerbetto F, Hofer WA.
PMID: 21825475
J Phys Condens Matter. 2009 May 13;21(19):195301. doi: 10.1088/0953-8984/21/19/195301. Epub 2009 Apr 07.

We report a theoretical study of hydroxyl vacancies in aluminosilicate and aluminogermanate single-walled metal-oxide nanotubes. Defects are introduced on both sides of the tube walls and lead to occupied and empty states in the band gap which are highly...

Nile delta: recent geological evolution and human impact.

Science (New York, N.Y.)

Stanley DJ, Warne AG.
PMID: 17812219
Science. 1993 Apr 30;260(5108):628-34. doi: 10.1126/science.260.5108.628.

Few countries in the world are as dependent on water from a single source as Egypt. The natural Nile cycle of flow and sediment discharge has been disrupted by human intervention, including closure of the High Aswan Dam; this...

Development of a digital integrator for the KSTAR device.

The Review of scientific instruments

Seo SH, Werner A, Marquardt M.
PMID: 21198023
Rev Sci Instrum. 2010 Dec;81(12):123507. doi: 10.1063/1.3519303.

The development of an integrator for magnetic diagnostics becomes more important as the pulse length of fusion devices gets longer and longer, especially for present-day superconducting fusion devices. A small offset in the signal can cause a significant drift...

Stereo-isomerism controls surface reactivity: 1-chloropentane-pairs on Si(100)-2×1.

Chemical communications (Cambridge, England)

Harikumar KR, McNab IR, Polanyi JC, Zabet-Khosousi A, Panosetti C, Hofer WA.
PMID: 22005512
Chem Commun (Camb). 2011 Nov 28;47(44):12101-3. doi: 10.1039/c1cc14117a. Epub 2011 Oct 17.

Chloropentane forms asymmetric ('A') and symmetric ('S') pairs on Si(100)-2×1, differing in the direction of curvature of one pentane tail. Surprisingly this renders the rate of thermal reaction of 'A' fifteen times greater than 'S' in chlorinating room-temperature silicon....

Physically Cross-Linked Ultrathin Elastomeric Membranes.

Angewandte Chemie (International ed. in English)

Mallwitz F, Goedel WA.
PMID: 29712306
Angew Chem Int Ed Engl. 2001 Jul 16;40(14):2645-2647. doi: 10.1002/1521-3773(20010716)40:14<2645::AID-ANIE2645>3.0.CO;2-H.

Spreading a hydrophobic liquid star polymer with ionic head groups and transferring the resulting monomolecular layers to solid substrates with holes provides access to ultrathin, freely suspended elastomeric membranes, which are stable for at least several months.

Delineating managed land for reporting national greenhouse gas emissions and removals to the United Nations framework convention on climate change.

Carbon balance and management

Ogle SM, Domke G, Kurz WA, Rocha MT, Huffman T, Swan A, Smith JE, Woodall C, Krug T.
PMID: 29845384
Carbon Balance Manag. 2018 May 29;13(1):9. doi: 10.1186/s13021-018-0095-3.

Land use and management activities have a substantial impact on carbon stocks and associated greenhouse gas emissions and removals. However, it is challenging to discriminate between anthropogenic and non-anthropogenic sources and sinks from land. To address this problem, the...

Searching for "transformative moments": A qualitative study of nurses' work during home visits to COPD patients and their caregivers in Norway.

Nursing open

Aasbø G, Kristvik E, Nyheim Solbrække K, Werner A.
PMID: 30918681
Nurs Open. 2018 Oct 09;6(2):293-300. doi: 10.1002/nop2.209. eCollection 2019 Apr.

AIM: The integration of families into healthcare services is being emphasized increasingly in healthcare polices. The aim of this study was to investigate how professionals during home visits support both patients and caregivers in accepting and accommodating to illness.DESIGN:...

Showing 25 to 36 of 324 entries