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Showing 1 to 12 of 136 entries
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High sensitivity and negative predictive value of sentinel lymph node biopsy in a retrospective early stage oral cavity cancer cohort in the Northern Netherlands.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery

Boeve K, Schepman KP, Schuuring E, Roodenburg JLN, Halmos GB, van Dijk BAC, Boorsma RAC, de Visscher JGAM, Brouwers AH, van der Vegt B, Witjes MJH.
PMID: 29575685
Clin Otolaryngol. 2018 Aug;43(4):1080-1087. doi: 10.1111/coa.13107. Epub 2018 Apr 19.

OBJECTIVES: In cT1-2N0, oral squamous cell carcinoma (OSCC) occult metastases are detected in 23%-37% of cases. Sentinel lymph node biopsy (SLNB) was introduced in head and neck cancer as a minimally invasive alternative for an elective neck dissection in...

Evolution of heritable behavioural differences in a model of social division of labour.

PeerJ

Vásárhelyi Z, Meszéna G, Scheuring I.
PMID: 26038732
PeerJ. 2015 May 26;3:e977. doi: 10.7717/peerj.977. eCollection 2015.

The spectacular diversity of personality and behaviour of animals and humans has evoked many hypotheses intended to explain its developmental and evolutionary background. Although the list of the possible contributing mechanisms seems long, we propose that an underemphasised explanation...

Light dependence of sexual agglutinability in Chlamydomonas eugametos.

Planta

Kooijman R, Elzenga TJ, de Wildt P, Musgrave A, Schuring F, van den Ende H.
PMID: 24232649
Planta. 1986 Nov;169(3):370-8. doi: 10.1007/BF00392133.

The mating activity of mating-type plus gametes of Chlamydomonas eugametos depends on light. Cells lost their ability to agglutinate with mating-type minus gametes after a dark period of 30 min. They regained their agglutinability after 10 min exposure to...

Sexual agglutination in Chlamydomonas eugametos before and after cell fusion.

Planta

Musgrave A, de Wildt P, Schuring F, Crabbendam K, van den Ende H.
PMID: 24241438
Planta. 1985 Oct;166(2):234-43. doi: 10.1007/BF00397354.

A new study of sexual agglutination between Chlamydomonas eugametos gametes and between vis-à-vis pairs has been made using techniques that allow one to distinguish between the flagella or cell bodies of individual mating types (mt(+) or mt(-)). It is...

Ethanol stimulates phospholipid turnover and inositol 1,4,5-trisphosphate production in Chlamydomonas eugametos gametes.

Planta

Musgrave A, Kuin H, Jongen M, de Wildt P, Schuring F, Klerk H, van den Ende H.
PMID: 24186742
Planta. 1992 Feb;186(3):442-9. doi: 10.1007/BF00195326.

Alcohols induce mating-structure activation in Chlamydomonas eugametos gametes. From the effect of ethanol on the (32)P-labelling of polyphosphoinositides, we conclude that the synthesis of these lipids is stimulated. Biologically inactive concentrations of ethanol (

Electromagnetic wave propagation in media with indefinite permittivity and permeability tensors.

Physical review letters

Smith DR, Schurig D.
PMID: 12633273
Phys Rev Lett. 2003 Feb 21;90(7):077405. doi: 10.1103/PhysRevLett.90.077405. Epub 2003 Feb 21.

We study the behavior of wave propagation in materials for which not all of the principal elements of the permeability and permittivity tensors have the same sign. We find that a wide variety of effects can be realized in...

Metamaterial electromagnetic cloak at microwave frequencies.

Science (New York, N.Y.)

Schurig D, Mock JJ, Justice BJ, Cummer SA, Pendry JB, Starr AF, Smith DR.
PMID: 17053110
Science. 2006 Nov 10;314(5801):977-80. doi: 10.1126/science.1133628. Epub 2006 Oct 19.

A recently published theory has suggested that a cloak of invisibility is in principle possible, at least over a narrow frequency band. We describe here the first practical realization of such a cloak; in our demonstration, a copper cylinder...

Gradient index metamaterials.

Physical review. E, Statistical, nonlinear, and soft matter physics

Smith DR, Mock JJ, Starr AF, Schurig D.
PMID: 15903607
Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Mar;71(3):036609. doi: 10.1103/PhysRevE.71.036609. Epub 2005 Mar 17.

Metamaterials--artificially structured materials with tailored electromagnetic response--can be designed to have properties difficult or impossible to achieve with traditional materials fabrication methods. Here we present a structured metamaterial, based on conducting split ring resonators (SRRs), which has an effective...

Scattering theory derivation of a 3D acoustic cloaking shell.

Physical review letters

Cummer SA, Popa BI, Schurig D, Smith DR, Pendry J, Rahm M, Starr A.
PMID: 18232873
Phys Rev Lett. 2008 Jan 18;100(2):024301. doi: 10.1103/PhysRevLett.100.024301. Epub 2008 Jan 14.

Through acoustic scattering theory we derive the mass density and bulk modulus of a spherical shell that can eliminate scattering from an arbitrary object in the interior of the shell--in other words, a 3D acoustic cloaking shell. Calculations confirm...

Age-Related Changes in the Anatomy of Language Regions in Autism Spectrum Disorder.

Brain imaging and behavior

Knaus TA, Silver AM, Dominick KC, Schuring MD, Shaffer N, Lindgren KA, Joseph RM, Tager-Flusberg H.
PMID: 20161060
Brain Imaging Behav. 2009 Mar 01;3(1):51-63. doi: 10.1007/s11682-008-9048-x.

Impairments in language and communication are core features of autism spectrum disorder (ASD). The anatomy of critical language areas has been studied in ASD with inconsistent findings. We used MRI to measure gray matter volume and asymmetry of Heschl's...

Tyrosine kinase inhibitor sensitive PDGFRΑ mutations in GIST: Two cases and review of the literature.

Oncotarget

Boonstra PA, Gietema JA, Suurmeijer AJH, Groves MR, de Assis Batista F, Schuuring E, Reyners AKL.
PMID: 29312652
Oncotarget. 2017 Nov 26;8(65):109836-109847. doi: 10.18632/oncotarget.22663. eCollection 2017 Dec 12.

Gastrointestinal stromal tumors (GISTs) are rare mesenchymal malignancies of the gastrointestinal tract. Most GISTs harbor a c-KIT (80%) or a PDGFRα (10%) mutation that leads to constitutive activation of the tyrosine kinase receptor. Response to treatment with tyrosine kinase...

A novel phase-shift-based amplitude detector for a high-speed atomic force microscope.

The Review of scientific instruments

Miyagi A, Scheuring S.
PMID: 30184715
Rev Sci Instrum. 2018 Aug;89(8):083704. doi: 10.1063/1.5038095.

In any atomic force microscope operated in amplitude modulation mode,

Showing 1 to 12 of 136 entries