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Showing 1 to 12 of 475 entries
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Pachychoroid diseases of the macula.

Medical hypothesis, discovery & innovation ophthalmology journal

Gallego-Pinazo R, Dolz-Marco R, Gómez-Ulla F, Mrejen S, Freund KB.
PMID: 25756060
Med Hypothesis Discov Innov Ophthalmol. 2014;3(4):111-5.

Advances in optical coherence tomography have enabled a better appreciation of the role of pathologic choroidal changes in a variety of retinal disease. A "pachychoroid" (pachy-[prefix]: thick) is defined as an abnormal and permanent increase in choroidal thickness often...

Surface structure of V_{2}O_{3}(0001) revisited.

Physical review letters

Feiten FE, Seifert J, Paier J, Kuhlenbeck H, Winter H, Sauer J, Freund HJ.
PMID: 26066445
Phys Rev Lett. 2015 May 29;114(21):216101. doi: 10.1103/PhysRevLett.114.216101. Epub 2015 May 26.

In a recent paper [A. J. Window et al., Phys. Rev. Lett. 107, 016105 (2011)], it was proposed that V_{2}O_{3}(0001) is terminated by the so-called O_{3} termination, a reconstruction with a terminating distorted hexagonal oxygen layer. We show that...

Carbon dioxide activation and reaction induced by electron transfer at an oxide-metal interface.

Angewandte Chemie (International ed. in English)

Calaza F, Stiehler C, Fujimori Y, Sterrer M, Beeg S, Ruiz-Oses M, Nilius N, Heyde M, Parviainen T, Honkala K, Häkkinen H, Freund HJ.
PMID: 26012347
Angew Chem Int Ed Engl. 2015 Oct 12;54(42):12484-7. doi: 10.1002/anie.201501420. Epub 2015 May 26.

A model system has been created to shuttle electrons through a metal-insulator-metal (MIM) structure to induce the formation of a CO2 anion radical from adsorbed gas-phase carbon dioxide that subsequently reacts to form an oxalate species. The process is...

Reducing the V2O3(0001) surface through electron bombardment--a quantitative structure determination with I/V-LEED.

Physical chemistry chemical physics : PCCP

Feiten FE, Kuhlenbeck H, Freund HJ.
PMID: 26741732
Phys Chem Chem Phys. 2016 Jan 28;18(4):3124-30. doi: 10.1039/c5cp07390a.

The (0001) surface of vanadium sesquioxide, V2O3, is terminated by vanadyl groups under standard ultra high vacuum preparation conditions. Reduction with electrons results in a chemically highly active surface with a well-defined LEED pattern indicating a high degree of...

Spectators Control Selectivity in Surface Chemistry: Acrolein Partial Hydrogenation Over Pd.

Journal of the American Chemical Society

Dostert KH, O'Brien CP, Ivars-Barceló F, Schauermann S, Freund HJ.
PMID: 26481220
J Am Chem Soc. 2015 Oct 28;137(42):13496-502. doi: 10.1021/jacs.5b04363. Epub 2015 Oct 20.

We present a mechanistic study on selective hydrogenation of acrolein over model Pd surfaces--both single crystal Pd(111) and Pd nanoparticles supported on a model oxide support. We show for the first time that selective hydrogenation of the C═O bond...

Drosophila Neuronal Injury Follows a Temporal Sequence of Cellular Events Leading to Degeneration at the Neuromuscular Junction.

Journal of experimental neuroscience

Lincoln BL, Alabsi SH, Frendo N, Freund R, Keller LC.
PMID: 26512206
J Exp Neurosci. 2015 Oct 18;9:1-9. doi: 10.4137/JEN.S25516. eCollection 2015.

Neurodegenerative diseases affect millions of people worldwide, and as the global population ages, there is a critical need to improve our understanding of the molecular and cellular mechanisms that drive neurodegeneration. At the molecular level, neurodegeneration involves the activation...

Reply.

Retina (Philadelphia, Pa.)

Jung JJ, Naysan J, Dansingani KK, Balaratnasingam C, Freund KB.
PMID: 27388739
Retina. 2016 Aug;36(8):e79-81. doi: 10.1097/IAE.0000000000001161.

No abstract available.

Deep Brain Stimulation of the Nucleus Basalis of Meynert in Alzheimer's Dementia: Potential Predictors of Cognitive Change and Results of a Long-Term Follow-Up in Eight Patients.

Brain stimulation

Hardenacke K, Hashemiyoon R, Visser-Vandewalle V, Zapf A, Freund HJ, Sturm V, Hellmich M, Kuhn J.
PMID: 27522168
Brain Stimul. 2016 Sep-Oct;9(5):799-800. doi: 10.1016/j.brs.2016.05.013. Epub 2016 Aug 03.

No abstract available.

Beta-Blockade and Response to Exercise: Influence of Training.

The Physician and sportsmedicine

Wilmore JH, Joyner MJ, Freund BJ, Ewy GA, Morton AR.
PMID: 27410441
Phys Sportsmed. 1985 Jul;13(7):60-9. doi: 10.1080/00913847.1985.11708832.

In brief: Beta-blockers and exercise training are recommended for treating cardiovascular disease and hypertension, and researchers have tried to determine the interaction of these two treatment modalities. Data from four studies conducted on 93 subjects over the past five...

Femtosecond photodesorption of small molecules from surfaces: a theoretical investigation from first principles.

Physical review letters

Koch CP, Klüner T, Freund HJ, Kosloff R.
PMID: 12688966
Phys Rev Lett. 2003 Mar 21;90(11):117601. doi: 10.1103/PhysRevLett.90.117601. Epub 2003 Mar 17.

A microscopic model for the excitation and relaxation processes in photochemistry at surfaces is developed. Our study is based on ab initio calculations and the surrogate Hamiltonian method treating surface electron-hole pairs as a bath of two-level systems. Desorption...

Diffusion in discrete ratchets.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Freund JA, Schimansky-Geier L.
PMID: 11969889
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999 Aug;60(2):1304-9. doi: 10.1103/physreve.60.1304.

The phenomenon of noise-induced transport in ratchet devices offers an explanation for directed motion on the molecular scale observed in many biological systems. Net transport through a series of discrete states, occurring in cyclic processes or reactions, can be...

Selection, optimization, and compensation as strategies of life management: correction to Freund and Baltes (1998).

Psychology and aging

Freund AM, Baltes PB.
PMID: 10632156
Psychol Aging. 1999 Dec;14(4):700-2. doi: 10.1037/0882-7974.14.4.700.

Because of a scoring error, the data reported in Freund and Baltes (1998) were reanalyzed. Except for finding a lower positive manifold involving the 3 components of selection, optimization, and compensation (SOC), the outcome of this reanalysis supports the...

Showing 1 to 12 of 475 entries