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Showing 1 to 12 of 88 entries
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Evolution of the human hip. Part 2: muscling the double extension.

Journal of hip preservation surgery

Hogervorst T, Vereecke EE.
PMID: 27011809
J Hip Preserv Surg. 2014 Oct 28;2(1):3-14. doi: 10.1093/jhps/hnu014. eCollection 2015 Jan.

Part 1 of this article outlined the extensive osseous adaptations around the hip that occurred in the development of a habitual bipedal gait in modern humans. The shortest summary of these osseous changes is 'double extension', i.e. extension of...

Potential role of gene-environment interactions in ion transport mechanisms in the etiology of renal cell cancer.

Scientific reports

Deckers IA, van den Brandt PA, van Engeland M, van Schooten FJ, Godschalk RW, Keszei AP, Hogervorst JG, Schouten LJ.
PMID: 27686058
Sci Rep. 2016 Sep 30;6:34262. doi: 10.1038/srep34262.

We investigated the ion transport mechanism (ITM) in renal cell cancer (RCC) etiology using gene-environment interactions between candidate single nucleotide polymorphisms (SNPs) and associated environmental factors, including dietary intakes of sodium, potassium and fluid, hypertension and diuretic medication. A...

Cluster Analysis of Physical and Cognitive Ageing Patterns in Older People from Shanghai.

Diagnostics (Basel, Switzerland)

Bandelow S, Xu X, Xiao S, Hogervorst E.
PMID: 26907351
Diagnostics (Basel). 2016 Feb 22;6(1). doi: 10.3390/diagnostics6010011.

This study investigated the relationship between education, cognitive and physical function in older age, and their respective impacts on activities of daily living (ADL). Data on 148 older participants from a community-based sample recruited in Shanghai, China, included the...

Double-well states of ungerade symmetry in H2: first observation and comparison with Ab initio calculations.

Physical review letters

de Lange A, Hogervorst W, Ubachs W, Wolniewicz L.
PMID: 11290089
Phys Rev Lett. 2001 Apr 02;86(14):2988-91. doi: 10.1103/PhysRevLett.86.2988.

The observation of a new class of long-lived outer well states of ungerade symmetry (B"B1Sigma+u) in molecular hydrogen, lying above the ionization threshold, is reported. Rovibrational levels within a potential extended over internuclear separations of R = 7-25 a.u....

Single-longitudinal-mode optical parametric oscillator for spectroscopic applications.

Optics letters

Mes J, Leblans M, Hogervorst W.
PMID: 18026473
Opt Lett. 2002 Aug 15;27(16):1442-4. doi: 10.1364/ol.27.001442.

We have developed a tunable, narrow-bandwidth nanosecond optical parametric oscillator system and applied it to spectroscopic studies. The system consists of a narrow-bandwidth grazing-incidence oscillator and a seeded power oscillator, generating Fourier-transform-limited 1.5-ns pulses (bandwidth

Degenerate Bose-Fermi mixture of metastable atoms.

Physical review letters

McNamara JM, Jeltes T, Tychkov AS, Hogervorst W, Vassen W.
PMID: 17026284
Phys Rev Lett. 2006 Aug 25;97(8):080404. doi: 10.1103/PhysRevLett.97.080404. Epub 2006 Aug 24.

We report the observation of simultaneous quantum degeneracy in a dilute gaseous Bose-Fermi mixture of metastable atoms. Sympathetic cooling of helium-3 (fermion) by helium-4 (boson), both in the lowest triplet state, allows us to produce ensembles containing more than...

Highly efficient single-longitudinal-mode beta-BaB(2)O(4) optical parametric oscillator with a new cavity design.

Optics letters

Boon-Engering JM, Gloster LA, van der Veer WE, McKinnie IT, King TA, Hogervorst W.
PMID: 19862259
Opt Lett. 1995 Oct 15;20(20):2087-9. doi: 10.1364/ol.20.002087.

A new coupled-cavity design for single-longitudinal-mode operation of an optical parametric oscillator (OPO) is presented. The OPO is based on a beta-BaB(2)O(4) crystal and is pumped by the third harmonic of a Nd:YAG laser. With this design, we achieved...

Generation of few-cycle terawatt light pulses using optical parametric chirped pulse amplification.

Optics express

Witte S, Zinkstok R, Hogervorst W, Eikema K.
PMID: 19498477
Opt Express. 2005 Jun 27;13(13):4903-8. doi: 10.1364/opex.13.004903.

We demonstrate the generation of 9.8+/-0.3 fs laser pulses with a peak power exceeding one terawatt at 30 Hz repetition rate, using optical parametric chirped pulse amplification. The amplifier is pumped by 140 mJ, 60 ps pulses at 532...

Photoassociation spectroscopy of cold he(2 ^{3}s) atoms.

Physical review letters

Herschbach N, Tol PJ, Vassen W, Hogervorst W, Woestenenk G, Thomsen JW, van der Straten P, Niehaus A.
PMID: 21923212
Phys Rev Lett. 2000 Feb 28;84(9):1874-7. doi: 10.1103/PhysRevLett.84.1874.

We observe vibrational states by photoassociation spectroscopy of cold He(2 ^{3}S) atoms. Photoassociation resonances are detected as peaks in the Penning ionization rate over a frequency range of 20 GHz below the atomic 2 ^{3}S_{1}-2 ^{3}P_{2} transition frequency. We...

High-resolution uv laser spectroscopy of the 1s2s 3S1-->1snp (n=5-79) transitions in 3He and 4He.

Physical review. A, General physics

Hogervorst W, Vassen W.
PMID: 9901812
Phys Rev A Gen Phys. 1989 May 01;39(9):4615-4627. doi: 10.1103/physreva.39.4615.

No abstract available.

4fnf doubly excited autoionizing series in barium.

Physical review. A, Atomic, molecular, and optical physics

de Graaff RJ, Hogervorst W, Ubachs W.
PMID: 9906710
Phys Rev A. 1992 Jan 01;45(1):166-178. doi: 10.1103/physreva.45.166.

No abstract available.

Multiple resonance-enhanced four-wave-mixing processes in I2.

Physical review. A, Atomic, molecular, and optical physics

Aben I, Hogervorst W, Levelt P, Ubachs W, van der Zwan G.
PMID: 9906649
Phys Rev A. 1991 Nov 01;44(9):5881-5893. doi: 10.1103/physreva.44.5881.

No abstract available.

Showing 1 to 12 of 88 entries