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Showing 1 to 12 of 468 entries
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Treatment of Cicatricial Stenosis of the Œsophagus by Autodilatation.

Proceedings of the Royal Society of Medicine

Portmann G.
PMID: 20912735
Proc R Soc Med. 1931 Sep;24(11):1586-8.

No abstract available.

Highly Sensitive Detection of Surface and Intercalated Impurities in Graphene by LEIS.

Langmuir : the ACS journal of surfaces and colloids

Průša S, Procházka P, Bábor P, Šikola T, ter Veen R, Fartmann M, Grehl T, Brüner P, Roth D, Bauer P, Brongersma HH.
PMID: 26200443
Langmuir. 2015 Sep 08;31(35):9628-35. doi: 10.1021/acs.langmuir.5b01935. Epub 2015 Aug 09.

Low-energy ion scattering (LEIS) is known for its extreme surface sensitivity, as it yields a quantitative analysis of the outermost surface as well as highly resolved in-depth information for ultrathin surface layers. Hence, it could have been generally considered...

Probing of molecular replication and accumulation in shallow heat gradients through numerical simulations.

Physical chemistry chemical physics : PCCP

Keil L, Hartmann M, Lanzmich S, Braun D.
PMID: 27153345
Phys Chem Chem Phys. 2016 Jul 27;18(30):20153-9. doi: 10.1039/c6cp00577b.

How can living matter arise from dead matter? All known living systems are built around information stored in RNA and DNA. To protect this information against molecular degradation and diffusion, the second law of thermodynamics imposes the need for...

Adsorptive Separation of Olefin/Paraffin Mixtures with ZIF-4.

Langmuir : the ACS journal of surfaces and colloids

Hartmann M, Böhme U, Hovestadt M, Paula C.
PMID: 26488156
Langmuir. 2015 Nov 17;31(45):12382-9. doi: 10.1021/acs.langmuir.5b02907. Epub 2015 Nov 02.

The microporous zeolitic imidazolate framework ZIF-4 has been synthesized, and its ethylene/ethane and propylene/propane separation potentials have been evaluated by single-component adsorption isotherms and breakthrough experiments of the respective binary mixtures. In all experiments, a higher selectivity for the...

Spatial biases during mental arithmetic: evidence from eye movements on a blank screen.

Frontiers in psychology

Hartmann M, Mast FW, Fischer MH.
PMID: 25657635
Front Psychol. 2015 Jan 22;6:12. doi: 10.3389/fpsyg.2015.00012. eCollection 2015.

While the influence of spatial-numerical associations in number categorization tasks has been well established, their role in mental arithmetic is less clear. It has been hypothesized that mental addition leads to rightward and upward shifts of spatial attention (along...

Management of Crises and Risks in German Hospitals - Factors Influencing Medication Errors.

Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research

Draheim M, Flessa S, Glasberg R, Hartmann M, Schermuly C, Stanchev V, Tamm G, Hessel FP.
PMID: 27201097
Value Health. 2014 Nov;17(7):A426. doi: 10.1016/j.jval.2014.08.1067. Epub 2014 Oct 26.

No abstract available.

Mid-gut ACTH-secreting neuroendocrine tumor unmasked with (18)F-dihydroxyphenylalanine-positron emission tomography.

Endocrinology, diabetes & metabolism case reports

Ducry J, Gomez F, Prior JO, Boubaker A, Matter M, Monti M, Pu Y, Pitteloud N, Portmann L.
PMID: 25861450
Endocrinol Diabetes Metab Case Rep. 2015;2015:140104. doi: 10.1530/EDM-14-0104. Epub 2015 Mar 01.

UNLABELLED: Ectopic ACTH Cushing's syndrome (EAS) is often caused by neuroendocrine tumors (NETs) of lungs, pancreas, thymus, and other less frequent locations. Localizing the source of ACTH can be challenging. A 64-year-old man presented with rapidly progressing fatigue, muscular...

Electronic spectra from TDDFT and machine learning in chemical space.

The Journal of chemical physics

Ramakrishnan R, Hartmann M, Tapavicza E, von Lilienfeld OA.
PMID: 26328822
J Chem Phys. 2015 Aug 28;143(8):084111. doi: 10.1063/1.4928757.

Due to its favorable computational efficiency, time-dependent (TD) density functional theory (DFT) enables the prediction of electronic spectra in a high-throughput manner across chemical space. Its predictions, however, can be quite inaccurate. We resolve this issue with machine learning...

Neurofeedback of Slow Cortical Potentials in Children with Attention-Deficit/Hyperactivity Disorder: A Multicenter Randomized Trial Controlling for Unspecific Effects.

Frontiers in human neuroscience

Strehl U, Aggensteiner P, Wachtlin D, Brandeis D, Albrecht B, Arana M, Bach C, Banaschewski T, Bogen T, Flaig-Röhr A, Freitag CM, Fuchsenberger Y, Gest S, Gevensleben H, Herde L, Hohmann S, Legenbauer T, Marx AM, Millenet S, Pniewski B, Rothenberger A, Ruckes C, Wörz S, Holtmann M.
PMID: 28408873
Front Hum Neurosci. 2017 Mar 31;11:135. doi: 10.3389/fnhum.2017.00135. eCollection 2017.

No abstract available.

Generation of Aryl Radicals through Reduction of Hypervalent Iodine(III) Compounds with TEMPONa: Radical Alkene Oxyarylation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Hartmann M, Li Y, Mück-Lichtenfeld C, Studer A.
PMID: 26834017
Chemistry. 2016 Mar 01;22(10):3485-3490. doi: 10.1002/chem.201504852. Epub 2016 Feb 02.

A novel method for selective generation of aryl radicals from diaryliodonium salts and iodanylidene malonates with sodium 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPONa) as a single-electron transfer (SET) reducing reagent is described. In the presence of various alkenes, aryl radicals formed after SET-reduction...

Pictorial approaches for measuring time use in rural Ethiopia.

Social indicators research

Masuda YJ, Fortmann L, Gugerty MK, Smith-Nilson M, Cook J.
PMID: 25620832
Soc Indic Res. 2014 Jan;115(1):467-482. doi: 10.1007/s11205-012-9995-x.

Time use researchers working in least developed countries (LDCs) face difficulties collecting data from illiterate populations who may conceptualize time differently than those in industrialized countries. We identify existing gaps in time use data collection methods and discuss two...

Turning a Transition State into a Minimum-The Nature of the Bonding in Diplumbylene Compounds RPbPbR (R=H, Ar) Theoretical Studies of Inorganic Compounds, Part 15. This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie. We thank Prof. M. Weidenbruch for helpful suggestions. Part 14: Y. Chen, M. Hartmann, G. Frenking, Eur. J. Inorg. Chem., in press. .

Angewandte Chemie (International ed. in English)

Chen Y, Hartmann M, Diedenhofen M, Frenking G.
PMID: 11433439
Angew Chem Int Ed Engl. 2001 Jun 01;40(11):2051-2055.

No abstract available.

Showing 1 to 12 of 468 entries