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Showing 1 to 12 of 255 entries
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High-bandwidth transfer of phase stability through a fiber frequency comb.

Optics express

Scharnhorst N, Wübbena JB, Hannig S, Jakobsen K, Kramer J, Leroux ID, Schmidt PO.
PMID: 26367634
Opt Express. 2015 Jul 27;23(15):19771-6. doi: 10.1364/OE.23.019771.

We demonstrate phase locking of a 729 nm diode laser to a 1542 nm master laser via an erbium-doped-fiber frequency comb, using a transfer-oscillator feedforward scheme which suppresses the effect of comb noise in an unprecedented 1.8 MHz bandwidth....

Distinct Signaling Requirements for the Establishment of ESC Pluripotency in Late-Stage EpiSCs.

Cell reports

Illich DJ, Zhang M, Ursu A, Osorno R, Kim KP, Yoon J, Araúzo-Bravo MJ, Wu G, Esch D, Sabour D, Colby D, Grassme KS, Chen J, Greber B, Höing S, Herzog W, Ziegler S, Chambers I, Gao S, Waldmann H, Schöler HR.
PMID: 27149845
Cell Rep. 2016 Apr 26;15(4):787-800. doi: 10.1016/j.celrep.2016.03.073. Epub 2016 Apr 14.

It has previously been reported that mouse epiblast stem cell (EpiSC) lines comprise heterogeneous cell populations that are functionally equivalent to cells of either early- or late-stage postimplantation development. So far, the establishment of the embryonic stem cell (ESC)...

Artificial cell-cell communication as an emerging tool in synthetic biology applications.

Journal of biological engineering

Hennig S, Rödel G, Ostermann K.
PMID: 26265937
J Biol Eng. 2015 Aug 12;9:13. doi: 10.1186/s13036-015-0011-2. eCollection 2015.

Cell-cell communication is a widespread phenomenon in nature, ranging from bacterial quorum sensing and fungal pheromone communication to cellular crosstalk in multicellular eukaryotes. These communication modes offer the possibility to control the behavior of an entire community by modifying...

Editorial: The Evolution of Rhythm Cognition: Timing in Music and Speech.

Frontiers in human neuroscience

Ravignani A, Honing H, Kotz SA.
PMID: 28659775
Front Hum Neurosci. 2017 Jun 13;11:303. doi: 10.3389/fnhum.2017.00303. eCollection 2017.

No abstract available.

Top-Down Modulation on the Perception and Categorization of Identical Pitch Contours in Speech and Music.

Frontiers in psychology

Weidema JL, Roncaglia-Denissen MP, Honing H.
PMID: 27313552
Front Psychol. 2016 Jun 02;7:817. doi: 10.3389/fpsyg.2016.00817. eCollection 2016.

Whether pitch in language and music is governed by domain-specific or domain-general cognitive mechanisms is contentiously debated. The aim of the present study was to investigate whether mechanisms governing pitch contour perception operate differently when pitch information is interpreted...

Three-dimensional memory effect in fluorescent photosensitive glass activated by europium and cerium.

Optics letters

Pavel E, Mihailescu IN, Hening A, Vlad VI, Tugulea L, Diamandescu L, Bibicu I, Chipara M.
PMID: 18087506
Opt Lett. 1998 Aug 15;23(16):1304-6. doi: 10.1364/ol.23.001304.

The persistent extinction of fluorescence emission of Eu(3+) in glasses activated with europium and cerium is reported for the first time to the authors' knowledge. The glass samples containing Eu(3+) and Ce(3+) were initially colorless and transparent and exhibited...

[Not Available].

Journal of oncology practice

Horning S.
PMID: 20871726
J Oncol Pract. 2006 Jan;2(1):2. doi: 10.1200/JOP.2006.2.1.2.

No abstract available.

The influence of Cu addition on precipitation in Fe-Cr-Ni-Al-(Cu) model alloys.

Ultramicroscopy

Höring S, Wanderka N, Banhart J.
PMID: 19153011
Ultramicroscopy. 2009 Apr;109(5):574-9. doi: 10.1016/j.ultramic.2008.11.006. Epub 2008 Nov 21.

Precipitation in Fe-Cr-Ni-Al-(Cu) model alloys was investigated after ageing for 0.25, 3, 10 and 100h at 798K. Characterization of nanoscale precipitates was performed using three-dimensional atom probe microscopy and transmission electron microscopy. The precipitates are found to be enriched...

Dynamic range of mass accuracy in LTQ Orbitrap hybrid mass spectrometer.

Journal of the American Society for Mass Spectrometry

Makarov A, Denisov E, Lange O, Horning S.
PMID: 16750636
J Am Soc Mass Spectrom. 2006 Jul;17(7):977-982. doi: 10.1016/j.jasms.2006.03.006. Epub 2006 Jun 05.

Using a novel orbitrap mass spectrometer, the authors investigate the dynamic range over which accurate masses can be determined (extent of mass accuracy) for short duration experiments typical for LC/MS. A linear ion trap is used to selectively fill...

Voltage-controlled compression for period tuning of optical surface relief gratings.

Optics letters

Kollosche M, Döring S, Stumpe J, Kofod G.
PMID: 21499366
Opt Lett. 2011 Apr 15;36(8):1389-91. doi: 10.1364/OL.36.001389.

This Letter reports on new methods and a consistent model for voltage tunable optical transmission gratings. Elastomeric gratings were molded from holographically written surface relief gratings in an azobenzene sol-gel material. These were placed on top of a transparent...

Full optical characterization of coherent x-ray nanobeams by ptychographic imaging.

Optics express

Hönig S, Hoppe R, Patommel J, Schropp A, Stephan S, Schöder S, Burghammer M, Schroer CG.
PMID: 21934996
Opt Express. 2011 Aug 15;19(17):16324-9. doi: 10.1364/OE.19.016324.

Scanning coherent diffraction microscopy (ptychography) is an emerging hard x-ray microscopy technique that yields spatial resolutions well below the lateral size of the probing nanobeam. Besides a high resolution image of the object, the complex wave field of the...

The ground state phase diagram of the diluted ferromagnetic Kondo-lattice model.

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

Stier M, Henning S, Nolting W.
PMID: 21694439
J Phys Condens Matter. 2011 Jul 13;23(27):276006. doi: 10.1088/0953-8984/23/27/276006. Epub 2011 Jun 22.

We investigate the existence of several (anti-)ferromagnetic phases in the diluted ferromagnetic Kondo-lattice model, i.e. ferromagnetic coupling of local moment and electron spin. To do this we use a coherent potential approximation (CPA) with a dynamical alloy analogy. For...

Showing 1 to 12 of 255 entries