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Showing 1 to 12 of 200 entries
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Hypersulfidic deep biosphere indicates extreme sulfur isotope fractionation during single-step microbial sulfate reduction

Cultural Transformation in the Geoscience Community AND Program Evaluation

Bernasconi SM, Böttcher ME, Wortmann UG.
GSID: r4PibTEGnD4J
UG Wortmann, SM Bernasconi, ME Böttcher - Geology, 2001 - pubs.geoscienceworld.org

Coexisting dissolved sulfide and sulfate from hypersulfidic interstitial waters of a 380-m-long sediment core show a large isotopic difference of up to 72‰ caused by in situ microbial sulfate reduction. This is considerably larger than the assumed biological maximum...

Erratum to "Determination of the irradiation field at the research reactor TRIGA Mainz for BNCT" [J. Appl. Radiat. Isot. 67 (2009) S242-S246].

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Duvinage Née Krey C, Nagels S, Hampel G, Kratz JV, Aguilar AL, Minouchehr S, Otto G, Schmidberger H, Schütz C, Vogtländer L, Wortmann B, Burgkhardt B.
PMID: 27263359
Appl Radiat Isot. 2016 Sep;115:312. doi: 10.1016/j.apradiso.2016.05.015. Epub 2016 Jun 02.

No abstract available.

Following the steps of a reaction by direct imaging of many individual molecules.

Chemical communications (Cambridge, England)

van Vörden D, Wortmann B, Schmidt N, Lange M, Robles R, Brendel L, Bobisch CA, Möller R.
PMID: 27230941
Chem Commun (Camb). 2016 Jun 08;52(49):7711-4. doi: 10.1039/c6cc02959k.

The dehydrogenation and dechlorination of FeOEP-Cl on Cu(111) has been studied in detail by scanning tunneling microscopy. Although, it is not possible to follow the reaction of an individual molecule, the complete pathway of the reaction with 22 inequivalent...

Reversible 2D Phase Transition Driven By an Electric Field: Visualization and Control on the Atomic Scale.

Nano letters

Wortmann B, van Vörden D, Graf P, Robles R, Abufager P, Lorente N, Bobisch CA, Möller R.
PMID: 26645498
Nano Lett. 2016 Jan 13;16(1):528-33. doi: 10.1021/acs.nanolett.5b04174. Epub 2015 Dec 16.

We report on a reversible structural phase transition of a two-dimensional system that can be locally induced by an external electric field. Two different structural configurations may coexist within a CO monolayer on Cu(111). The balance between the two...

Reply.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Wortmann G.
PMID: 10987745
Clin Infect Dis. 2000 Aug;31(2):627. doi: 10.1086/313962.

No abstract available.

ATOP dyes. optimization of a multifunctional merocyanine chromophore for high refractive index modulation in photorefractive materials.

Journal of the American Chemical Society

Würthner F, Yao S, Schilling J, Wortmann R, Redi-Abshiro M, Mecher E, Gallego-Gomez F, Meerholz K.
PMID: 11456967
J Am Chem Soc. 2001 Mar 28;123(12):2810-24. doi: 10.1021/ja002321g.

This paper reports synthesis, characterization and structural optimization of amino-thienyl-dioxocyano-pyridine (ATOP) chromophores toward a multifunctional amorphous material with unprecedented photorefractive performance. The structural (dynamic NMR, XRD) and electronic (UV/vis, electrooptical absorption, Kerr effect measurements) characterization of the ATOP chromophore...

Phonon density of states of iron up to 153 gigapascals.

Science (New York, N.Y.)

Mao HK, Xu J, Struzhkin VV, Shu J, Hemley RJ, Sturhahn W, Hu MY, Alp EE, Vocadlo L, Alfè D, Price GD, Gillan MJ, Schwoerer-Böhning M, Häusermann D, Eng P, Shen G, Giefers H, Lübbers R, Wortmann G.
PMID: 11340201
Science. 2001 May 04;292(5518):914-6. doi: 10.1126/science.1057670.

We report phonon densities of states (DOS) of iron measured by nuclear resonant inelastic x-ray scattering to 153 gigapascals and calculated from ab initio theory. Qualitatively, they are in agreement, but the theory predicts density at higher energies. From...

[Gastrectomy and pulmonary tuberculosis; methodical errors].

Das Deutsche Gesundheitswesen

WORTMANN H.
PMID: 13786721
Dtsch Gesundheitsw. 1961 Jun 15;16:1095-100.

No abstract available.

[Pulmonary tuberculosis in peptic ulcer patients].

Wiener medizinische Wochenschrift (1946)

WORTMANN H.
PMID: 13312319
Wien Med Wochenschr. 1956 Feb 18;106(7):145-7.

No abstract available.

Hydrogen-bond-directed head-to-tail orientation of dipolar merocyanine dyes: a strategy for the design of electrooptical materials.

Angewandte Chemie (International ed. in English)

Würthner F, Schmidt J, Stolte M, Wortmann R.
PMID: 16671155
Angew Chem Int Ed Engl. 2006 Jun 02;45(23):3842-6. doi: 10.1002/anie.200504581.

No abstract available.

Mechanics versus thermodynamics: swelling in multiple-temperature-sensitive core-shell microgels.

Angewandte Chemie (International ed. in English)

Berndt I, Popescu C, Wortmann FJ, Richtering W.
PMID: 16402414
Angew Chem Int Ed Engl. 2006 Feb 06;45(7):1081-5. doi: 10.1002/anie.200502893.

No abstract available.

Equivalence of the boson peak in glasses to the transverse acoustic van Hove singularity in crystals.

Physical review letters

Chumakov AI, Monaco G, Monaco A, Crichton WA, Bosak A, Rüffer R, Meyer A, Kargl F, Comez L, Fioretto D, Giefers H, Roitsch S, Wortmann G, Manghnani MH, Hushur A, Williams Q, Balogh J, Parliński K, Jochym P, Piekarz P.
PMID: 21702612
Phys Rev Lett. 2011 Jun 03;106(22):225501. doi: 10.1103/PhysRevLett.106.225501. Epub 2011 May 31.

We compare the atomic dynamics of the glass to that of the relevant crystal. In the spectra of inelastic scattering, the boson peak of the glass appears higher than the transverse acoustic (TA) singularity of the crystal. However, the...

Showing 1 to 12 of 200 entries