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Showing 1 to 12 of 131 entries
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Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization.

Optics express

de Vries O, Saule T, Plötner M, Lücking F, Eidam T, Hoffmann A, Klenke A, Hädrich S, Limpert J, Holzberger S, Schreiber T, Eberhardt R, Pupeza I, Tünnermann A.
PMID: 26367616
Opt Express. 2015 Jul 27;23(15):19586-95. doi: 10.1364/OE.23.019586.

We introduce and experimentally validate a pulse picking technique based on a travelling-wave-type acousto-optic modulator (AOM) having the AOM carrier frequency synchronized to the repetition rate of the original pulse train. As a consequence, the phase noise characteristic of...

Femtosecond Enhancement Cavities in the Nonlinear Regime.

Physical review letters

Holzberger S, Lilienfein N, Carstens H, Saule T, Högner M, Lücking F, Trubetskov M, Pervak V, Eidam T, Limpert J, Tünnermann A, Fill E, Krausz F, Pupeza I.
PMID: 26207470
Phys Rev Lett. 2015 Jul 10;115(2):023902. doi: 10.1103/PhysRevLett.115.023902. Epub 2015 Jul 08.

We combine high-finesse optical resonators and spatial-spectral interferometry to a highly phase-sensitive investigation technique for nonlinear light-matter interactions. We experimentally validate an ab initio model for the nonlinear response of a resonator housing a gas target, permitting the global...

Directed transport of atoms in a Hamiltonian quantum ratchet.

Science (New York, N.Y.)

Salger T, Kling S, Hecking T, Geckeler C, Morales-Molina L, Weitz M.
PMID: 19965469
Science. 2009 Nov 27;326(5957):1241-3. doi: 10.1126/science.1179546.

Classical ratchet potentials, which alternate a driving potential with periodic random dissipative motion, can account for the operation of biological motors. We demonstrate the operation of a quantum ratchet, which differs from classical ratchets in that dissipative processes are...

Electrophoretic properties of BSA-coated quantum dots.

Analytical and bioanalytical chemistry

Bücking W, Massadeh S, Merkulov A, Xu S, Nann T.
PMID: 19756532
Anal Bioanal Chem. 2010 Feb;396(3):1087-94. doi: 10.1007/s00216-009-3107-z. Epub 2009 Sep 13.

Low toxic InP/ZnS quantum dots (QDs), ZnS:Mn(2+)/ZnS nanocrystals and CdSe/ZnS nanoparticles were rendered water-dispersible by different ligand-exchange methods. Eventually, they were coated with bovine serum albumin (BSA) as a model protein. All particles were characterised by isotachophoresis (ITP), laser...

Long-term carrier-envelope-phase-stable few-cycle pulses by use of the feed-forward method.

Optics letters

Lücking F, Assion A, Apolonski A, Krausz F, Steinmeyer G.
PMID: 22660126
Opt Lett. 2012 Jun 01;37(11):2076-8. doi: 10.1364/OL.37.002076.

The feed-forward technique has recently revolutionized carrier-envelope phase (CEP) stabilization, enabling unprecedented values of residual phase jitter. Nevertheless, its demonstrations have hitherto remained in a proof-of-principle state. Here we show that pulse quality and power issues can be solved,...

A without-prejudice list of generic names of fungi for protection under the International Code of Nomenclature for algae, fungi, and plants.

IMA fungus

Kirk PM, Stalpers JA, Braun U, Crous PW, Hansen K, Hawksworth DL, Hyde KD, Lücking R, Lumbsch TH, Rossman AY, Seifert KA, Stadler M.
PMID: 24563844
IMA Fungus. 2013 Dec;4(2):381-443. doi: 10.5598/imafungus.2013.04.02.17. Epub 2013 Dec 18.

As a first step towards the production of a List of Protected Generic Names for Fungi, a without-prejudice list is presented here as a basis for future discussion and the production of a List for formal adoption. We include...

Rapid Assembly of Oligosaccharides: Total Synthesis of a Glycosylphosphatidylinositol Anchor of Trypanosoma brucei.

Angewandte Chemie (International ed. in English)

Baeschlin DK, Chaperon AR, Charbonneau V, Green LG, Ley SV, Lücking U, Walther E.
PMID: 29711276
Angew Chem Int Ed Engl. 1998 Dec 31;37(24):3423-3428. doi: 10.1002/(SICI)1521-3773(19981231)37:24<3423::AID-ANIE3423>3.0.CO;2-I.

Six building blocks, six reaction steps: The recently developed innovative methodology facilitated the convergent synthesis of the complex oligosaccharide core 1 (shown here with protecting groups) for the total synthesis of a glycosylphosphatidylinositol (GPI) anchor. The key factors are...

Detection of strong attractors in social media networks.

Computational social networks

Qasem Z, Jansen M, Hecking T, Hoppe HU.
PMID: 29355206
Comput Soc Netw. 2016;3(1):11. doi: 10.1186/s40649-016-0036-9. Epub 2016 Dec 07.

BACKGROUND: Detection of influential actors in social media such as Twitter or Facebook plays an important role for improving the quality and efficiency of work and services in many fields such as education and marketing.METHODS: The work described here...

Author Correction: Diversity and evolution of sex determination systems in terrestrial isopods.

Scientific reports

Becking T, Giraud I, Raimond M, Moumen B, Chandler C, Cordaux R, Gilbert C.
PMID: 29700409
Sci Rep. 2018 Apr 27;8(1):6948. doi: 10.1038/s41598-018-25423-7.

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.

Draft Genome Sequence of .

Microbiology resource announcements

Raths R, Peta V, Bücking H.
PMID: 31395629
Microbiol Resour Announc. 2019 Aug 08;8(32). doi: 10.1128/MRA.00410-19.

From farmed corn soil in California, we isolated and sequenced a new member of the genus

Preparation and characterisation of an aligned carbon nanotube array on the silicon (100) surface.

Soft matter

Yu J, Losic D, Marshall M, Böcking T, Gooding JJ, Shapter JG.
PMID: 32680211
Soft Matter. 2006 Nov 15;2(12):1081-1088. doi: 10.1039/b611016a.

Arrays of aligned carbon nanotubes formed by self-assembly on a Si (100) surface are described. The surface of a Si (100) wafer has been modified by reaction of hydride-terminated Si (100) with ethyl undecylenate to give ethyl undecanoate self-assembled...

BAY-8400: A Novel Potent and Selective DNA-PK Inhibitor which Shows Synergistic Efficacy in Combination with Targeted Alpha Therapies.

Journal of medicinal chemistry

Berger M, Wortmann L, Buchgraber P, Lücking U, Zitzmann-Kolbe S, Wengner AM, Bader B, Bömer U, Briem H, Eis K, Rehwinkel H, Bartels F, Moosmayer D, Eberspächer U, Lienau P, Hammer S, Schatz CA, Wang Q, Wang Q, Mumberg D, Nising CF, Siemeister G.
PMID: 34428039
J Med Chem. 2021 Sep 09;64(17):12723-12737. doi: 10.1021/acs.jmedchem.1c00762. Epub 2021 Aug 24.

Eukaryotes have evolved two major pathways to repair potentially lethal DNA double-strand breaks. Homologous recombination represents a precise, DNA-template-based mechanism available during the S and G2 cell cycle phase, whereas non-homologous end joining, which requires DNA-dependent protein kinase (DNA-PK),...

Showing 1 to 12 of 131 entries