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Showing 1 to 12 of 187 entries
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Shorter Exciton Lifetimes via an External Heavy-Atom Effect: Alleviating the Effects of Bimolecular Processes in Organic Light-Emitting Diodes.

Advanced materials (Deerfield Beach, Fla.)

Einzinger M, Zhu T, de Silva P, Belger C, Swager TM, Van Voorhis T, Baldo MA.
PMID: 28892200
Adv Mater. 2017 Oct;29(40). doi: 10.1002/adma.201701987. Epub 2017 Sep 11.

Multiexcited-state phenomena are believed to be the root cause of two exigent challenges in organic light-emitting diodes; namely, efficiency roll-off and degradation. The development of novel strategies to reduce exciton densities under heavy load is therefore highly desirable. Here,...

Patient Activation: A Primary Care Tool to Tackle Overweight and Obesity.

Clinical diabetes : a publication of the American Diabetes Association

Beebe C.
PMID: 26487789
Clin Diabetes. 2015 Oct;33(4):167-8. doi: 10.2337/diaclin.33.4.167.

No abstract available.

A master equation for a two-sided optical cavity.

Journal of modern optics

Barlow TM, Bennett R, Beige A.
PMID: 25892851
J Mod Opt. 2015 Dec 08;62:S11-S20. doi: 10.1080/09500340.2014.992992. Epub 2015 Jan 21.

Quantum optical systems, like trapped ions, are routinely described by master equations. The purpose of this paper is to introduce a master equation for two-sided optical cavities with spontaneous photon emission. To do so, we use the same notion...

Secondary Prevention of Breast Cancer in the Older Woman: Issues Related to Screening.

Cancer control : journal of the Moffitt Cancer Center

Beghe C, Balducci L, Cohen H.
PMID: 10886982
Cancer Control. 1994 Jul;1(4):320-326.

With advancing age, the prevalence of breast cancer and consequently the positive predictive value of screening tests increase. However, limited life expectancy may reduce the benefit of cancer screening. The integration of serial mammography, yearly or every two years,...

The Human and Economic Burden of Epilepsy.

Epilepsy & behavior : E&B

Shafer PO, Begley C.
PMID: 12609136
Epilepsy Behav. 2000 Apr;1(2):91-92. doi: 10.1006/ebeh.2000.0052.

No abstract available.

Use of a modified cyclodextrin host for the enantioselective detection of a halogenated diether as chiral guest via optical and electrical transducers.

Analytical chemistry

Kieser B, Fietzek C, Schmidt R, Belge G, Weimar U, Schurig V, Gauglitz G.
PMID: 12141658
Anal Chem. 2002 Jul 01;74(13):3005-12. doi: 10.1021/ac015689k.

In an alkaline rebreathing circuit, the inhalation anesthetic sevoflurane degrades into at least two products, one of them being the chiral halodiether 1,1,1,3,3-pentafluoro-2-(fluoromethoxy)-3-methoxypropane (halodiether B). Using octakis(3-O-butanoyl-2,6-di-O-n-pentyl)-y-cyclodextrin (Lipodex E) as chiral host diluted in the polysiloxane PS255, an exceptional...

Dynamical properties of a ferroelectric capacitor observed through nonlinear time series analysis.

Chaos (Woodbury, N.Y.)

Hegger R, Kantz H, Schmuser F, Diestelhorst M, Kapsch RP, Beige H.
PMID: 12779778
Chaos. 1998 Sep;8(3):727-736. doi: 10.1063/1.166356.

By data analysis the ordinary differential equation for the description of an experimental electric resonance circuit with nonlinear capacitor is derived. Triglycine sulfate (TGS) was used as nonlinear dielectric material. This is the most thoroughly investigated ferroelectric with a...

Robust entanglement through macroscopic quantum jumps.

Physical review letters

Metz J, Trupke M, Beige A.
PMID: 16907557
Phys Rev Lett. 2006 Jul 28;97(4):040503. doi: 10.1103/PhysRevLett.97.040503. Epub 2006 Jul 27.

We propose an entanglement generation scheme that requires neither the coherent evolution of a quantum system nor the detection of single photons. Instead, the desired state is heralded by a macroscopic quantum jump. Macroscopic quantum jumps manifest themselves as...

Experimental observation of a torus doubling of a metal/ferroelectric film/semiconductor capacitor.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Diestelhorst M, Barz K, Beige H, Alexe M, Hesse D.
PMID: 17673408
Philos Trans A Math Phys Eng Sci. 2008 Feb 13;366(1864):437-46. doi: 10.1098/rsta.2007.2101.

A metal-ferroelectric-semiconductor (MFS) structure was used as a nonlinear capacitor in a series resonance circuit. The following materials were used as components of the MFS structure: aluminium as the metal electrode, Bi4Ti3O12 film as the ferroelectric, and p-type silicon...

Digraph visualization using a neural algorithm with a heuristic activation scheme.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society

Kusnadi K, Beebe C, Carothers JD.
PMID: 18255975
IEEE Trans Syst Man Cybern B Cybern. 1998;28(4):562-72. doi: 10.1109/3477.704295.

This paper presents an activation scheme for use with Hopfield neural network algorithms that guarantees a valid solution for a particular category of problems. The technique monitors the appropriate neurons and heuristically controls their activation function. As a result...

Pathway analysis of differentially expressed genes in patients with acute aortic dissection.

Biomarker insights

Mohamed SA, Sievers HH, Hanke T, Richardt D, Schmidtke C, Charitos EI, Belge G, Bullerdiek J.
PMID: 19652764
Biomark Insights. 2009 May 06;4:81-90. doi: 10.4137/bmi.s2530.

BACKGROUND: Acute aortic dissection (AAD) is a life-threatening condition with high mortality and a relatively unclarified pathophysiological mechanism. Although differentially expressed genes in AAD have been recognized, interactions between these genes remain poorly defined. This study was conducted to...

A nanoscale molecular switch triggered by thermal, light, and guest perturbation.

Angewandte Chemie (International ed. in English)

Duriska MB, Neville SM, Moubaraki B, Cashion JD, Halder GJ, Chapman KW, Balde C, Létard JF, Murray KS, Kepert CJ, Batten SR.
PMID: 19107885
Angew Chem Int Ed Engl. 2009;48(14):2549-52. doi: 10.1002/anie.200805178.

Bottoms up! A discrete metallo-supramolecular nanoball (see picture), synthesized by using "bottom-up" methodologies, uniquely undergoes a solvent-sensitive, physically addressable electronic spin switching. The switching occurs by thermal, light, or solvent perturbation, where importantly it can be switched "on" or...

Showing 1 to 12 of 187 entries