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Showing 1 to 12 of 128 entries
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Parallel Implementation of Multireference Coupled-Cluster Theories Based on the Reference-Level Parallelism.

Journal of chemical theory and computation

Brabec J, Pittner J, van Dam HJ, Aprà E, Kowalski K.
PMID: 26596599
J Chem Theory Comput. 2012 Feb 14;8(2):487-97. doi: 10.1021/ct200809m. Epub 2012 Feb 01.

A novel algorithm for implementing a general type of multireference coupled-cluster (MRCC) theory based on the Jeziorski-Monkhorst exponential ansatz [Jeziorski, B.; Monkhorst, H. J. Phys. Rev. A1981, 24, 1668] is introduced. The proposed algorithm utilizes processor groups to calculate...

The impact of a formal complaint on Dutch dentists' professional practice: a survey study.

BMC oral health

Bruers JJ, van Dam BA, Gorter RC, Eijkman MA.
PMID: 27680549
BMC Oral Health. 2016 Sep 29;16(1):104. doi: 10.1186/s12903-016-0295-8.

BACKGROUND: A complaint from a patient can have a serious impact on the well-being of dentists. Little is known, however, about the nature and the extent of this impact.METHODS: Therefore in 2013 an anonymous survey was conducted among 955...

Simulating Silicon Photomultiplier Response to Scintillation Light.

IEEE transactions on nuclear science

Jha AK, van Dam HT, Kupinski MA, Clarkson E.
PMID: 26236040
IEEE Trans Nucl Sci. 2013 Feb;30(1):336-351. doi: 10.1109/TNS.2012.2234135.

The response of a Silicon Photomultiplier (SiPM) to optical signals is affected by many factors including photon-detection efficiency, recovery time, gain, optical crosstalk, afterpulsing, dark count, and detector dead time. Many of these parameters vary with overvoltage and temperature....

Visual target distance, but not visual cursor path length produces shifts in motor behavior: a multisensory integration perspective.

Frontiers in psychology

Van Dam LC.
PMID: 25009525
Front Psychol. 2014 Jun 24;5:650. doi: 10.3389/fpsyg.2014.00650. eCollection 2014.

No abstract available.

Post-lumpectomy CT-guided tumor bed delineation for breast boost and partial breast irradiation: Can additional pre- and postoperative imaging reduce interobserver variability?.

Oncology letters

DEN Hartogh MD, Philippens ME, VAN Dam IE, Kleynen CE, Tersteeg RJ, Kotte AN, VAN Vulpen M, VAN Asselen B, VAN DEN Bongard DH.
PMID: 26722244
Oncol Lett. 2015 Nov;10(5):2795-2801. doi: 10.3892/ol.2015.3697. Epub 2015 Sep 14.

For breast boost radiotherapy or accelerated partial breast irradiation, the tumor bed (TB) is delineated by the radiation oncologist on a planning computed tomography (CT) scan. The aim of the present study was to investigate whether the interobserver variability...

Mechanical Stress Changes the Complex Interplay Between HO-1, Inflammation and Fibrosis, During Excisional Wound Repair.

Frontiers in medicine

Cremers NA, Suttorp M, Gerritsen MM, Wong RJ, van Run-van Breda C, van Dam GM, Brouwer KM, Kuijpers-Jagtman AM, Carels CE, Lundvig DM, Wagener FA.
PMID: 26697429
Front Med (Lausanne). 2015 Dec 15;2:86. doi: 10.3389/fmed.2015.00086. eCollection 2015.

Mechanical stress following surgery or injury can promote pathological wound healing and fibrosis, and lead to functional loss and esthetic problems. Splinted excisional wounds can be used as a model for inducing mechanical stress. The cytoprotective enzyme heme oxygenase-1...

Wave-front sensing from defocused images by use of wave-front slopes.

Applied optics

van Dam MA, Lane RG.
PMID: 12224772
Appl Opt. 2002 Sep 10;41(26):5497-502. doi: 10.1364/ao.41.005497.

We describe a novel technique for deriving wave-front aberrations from two defocused intensity measurements. The intensity defines a probability density function, and the method is based on the evolution of the cumulative density function of the intensity with light...

Starting SCF calculations by superposition of atomic densities.

Journal of computational chemistry

Van Lenthe JH, Zwaans R, Van Dam HJ, Guest MF.
PMID: 16557519
J Comput Chem. 2006 Jun;27(8):926-32. doi: 10.1002/jcc.20393.

We describe the procedure to start an SCF calculation of the general type from a sum of atomic electron densities, as implemented in GAMESS-UK. Although the procedure is well known for closed-shell calculations and was already suggested when the...

Measuring the centroid gain of a Shack-Hartmann quad-cell wavefront sensor by using slope discrepancy.

Journal of the Optical Society of America. A, Optics, image science, and vision

van Dam MA.
PMID: 16134845
J Opt Soc Am A Opt Image Sci Vis. 2005 Aug;22(8):1509-14. doi: 10.1364/josaa.22.001509.

Shack-Hartmann wavefront sensors (SH WFS) are used by many adaptive optics (AO) systems to measure the wavefront. In this WFS, the centroid of the spots is proportional to the wavefront slope. If the detectors consist of 2 x 2...

Tunable supercurrent through semiconductor nanowires.

Science (New York, N.Y.)

Doh YJ, van Dam JA, Roest AL, Bakkers EP, Kouwenhoven LP, De Franceschi S.
PMID: 16002611
Science. 2005 Jul 08;309(5732):272-5. doi: 10.1126/science.1113523.

Nanoscale superconductor/semiconductor hybrid devices are assembled from indium arsenide semiconductor nanowires individually contacted by aluminum-based superconductor electrodes. Below 1 kelvin, the high transparency of the contacts gives rise to proximity-induced superconductivity. The nanowires form superconducting weak links operating as...

Quantum supercurrent transistors in carbon nanotubes.

Nature

Jarillo-Herrero P, van Dam JA, Kouwenhoven LP.
PMID: 16495994
Nature. 2006 Feb 23;439(7079):953-6. doi: 10.1038/nature04550.

Electronic transport through nanostructures is greatly affected by the presence of superconducting leads. If the interface between the nanostructure and the superconductors is sufficiently transparent, a dissipationless current (supercurrent) can flow through the device owing to the Josephson effect....

A low density of 0.8 g cm(-3) for the Trojan binary asteroid 617 Patroclus.

Nature

Marchis F, Hestroffer D, Descamps P, Berthier J, Bouchez AH, Campbell RD, Chin JC, van Dam MA, Hartman SK, Johansson EM, Lafon RE, Le Mignant D, de Pater I, Stomski PJ, Summers DM, Vachier F, Wizinovich PL, Wong MH.
PMID: 16452974
Nature. 2006 Feb 02;439(7076):565-7. doi: 10.1038/nature04350.

The Trojan population consists of two swarms of asteroids following the same orbit as Jupiter and located at the L4 and L5 stable Lagrange points of the Jupiter-Sun system (leading and following Jupiter by 60 degrees ). The asteroid...

Showing 1 to 12 of 128 entries