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Showing 1 to 12 of 326 entries
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Two-photon photovoltaic effect in gallium arsenide.

Optics letters

Ma J, Chiles J, Sharma YD, Krishna S, Fathpour S.
PMID: 26466255
Opt Lett. 2014 Sep 15;39(18):5297-300. doi: 10.1364/OL.39.005297.

The two-photon photovoltaic effect is demonstrated in gallium arsenide at 976 and 1550 nm wavelengths. A waveguide-photodiode biased in its fourth quadrant harvests electrical power from the optical energy lost to two-photon absorption. The experimental results are in good...

Low-loss and high index-contrast tantalum pentoxide microring resonators and grating couplers on silicon substrates.

Optics letters

Rabiei P, Rao A, Chiles J, Ma J, Fathpour S.
PMID: 26466277
Opt Lett. 2014 Sep 15;39(18):5379-82. doi: 10.1364/OL.39.005379.

A platform for high index-contrast integrated photonics based on tantalum pentoxide submicrometer waveguides on silicon substrates is introduced. The platform allows demonstration of microring resonators with loaded quality factor, Q, of 67,000 and waveguides with a propagation loss of...

Modeling the surface photovoltage of silicon slabs with varying thickness.

Journal of physics. Condensed matter : an Institute of Physics journal

Vazhappilly T, Kilin DS, Micha DA.
PMID: 25767101
J Phys Condens Matter. 2015 Apr 10;27(13):134204. doi: 10.1088/0953-8984/27/13/134204. Epub 2015 Mar 13.

The variation with thickness of the energy band gap and photovoltage at the surface of a thin semiconductor film are of great interest in connection with their surface electronic structure and optical properties. In this work, the change of...

Healthcare Supported by Data Mule Networks in Remote Communities of the Amazon Region.

International scholarly research notices

Coutinho MM, Efrat A, Johnson T, Richa A, Liu M.
PMID: 27433519
Int Sch Res Notices. 2014 Oct 29;2014:730760. doi: 10.1155/2014/730760. eCollection 2014.

This paper investigates the feasibility of using boats as data mule nodes, carrying medical ultrasound videos from remote and isolated communities in the Amazon region in Brazil, to the main city of that area. The videos will be used...

Reconstruction of the near-field distribution in an X-ray waveguide array.

Journal of applied crystallography

Zhong Q, Melchior L, Peng J, Huang Q, Wang Z, Salditt T.
PMID: 28656035
J Appl Crystallogr. 2017 May 16;50:701-711. doi: 10.1107/S1600576717004630. eCollection 2017 Jun 01.

Iterative phase retrieval has been used to reconstruct the near-field distribution behind tailored X-ray waveguide arrays, by inversion of the measured far-field pattern recorded under fully coherent conditions. It is thereby shown that multi-waveguide interference can be exploited to...

Pacak-Zhuang Syndrome: A New Kid on The Block.

Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists

Vicha A, Mercado-Asis LB.
PMID: 25492860
Endocr Pract. 2014 Nov;20(11):1234-5. doi: 10.4158/endp.20.11.g37v757188j41v24.

No abstract available.

Self-Reported Memory Complaints: A Comparison of Demented and Unimpaired Outcomes.

The journal of prevention of Alzheimer's disease

Kryscio RJ, Abner EL, Jicha GA, Nelson PT, Smith CD, Van Eldik LJ, Lou W, Fardo DW, Cooper GE, Schmitt FA.
PMID: 27019842
J Prev Alzheimers Dis. 2016 Mar;3(1):13-19. doi: 10.14283/jpad.2015.74.

BACKGROUND: Subjective memory complaints are common in aged persons, indicating an increased, but incompletely understood, risk for dementia.OBJECTIVE: To compare cognitive trajectories and autopsy results of individuals with subjective complaints after stratifying by whether a subsequent clinical dementia occurred.DESIGN:...

Microstructure evolution with varied layer thickness in magnetron-sputtered Ni/C multilayer films.

Scientific reports

Peng J, Li W, Huang Q, Wang Z.
PMID: 27515586
Sci Rep. 2016 Aug 12;6:31522. doi: 10.1038/srep31522.

The microstructure evolution of magnetron-sputtered Ni/C multilayers was investigated by varying the Ni and C layer thickness in the region of a few nanometers. For the samples having 2.6-nm-thick C layers, the interface width increases from 0.37 to 0.81...

Heliobacter pylori in gastric carcinoma.

The Journal of the American Osteopathic Association

Queiroz D, Mendes EN, Rocha GA, Oliveira AM, Oliveria CA, Cabral MM.
PMID: 26981910
J Am Osteopath Assoc. 1999 Nov 01;99(11):592a. doi: 10.7556/jaoa.1999.99.11.592a.

No abstract available.

Strain Controlled Ferromagnetic-Antiferromagnetic Transformation in Mn-Doped Silicene for Information Transformation Devices.

The journal of physical chemistry letters

Li S, Ao Z, Zhu J, Ren J, Yi J, Wang G, Liu W.
PMID: 28301928
J Phys Chem Lett. 2017 Apr 06;8(7):1484-1488. doi: 10.1021/acs.jpclett.7b00115. Epub 2017 Mar 20.

A reliable control of magnetic states is central to the use of magnetic nanostructures. Here, by using state-of-the-art density-functional theory calculations, we find that Mn atoms decorated silicene has an anomalously fixed magnetic moment and a high Curie temperature....

Development of a standardised computer-based documentation system for diagnoses and medical performance in orthopeadics/traumatology.

Der Orthopade

Deimel D, Messer E, Thielemann HG, Picha G.
PMID: 28246947
Orthopade. 1999 Mar;28(3):285-291. doi: 10.1007/PL00003609.

INTRODUCTION: Increasing demands on quality assurance und medical performance documentation require an immedate and evaluable documentation in the outpatients' department. Presentation of a new computer-based diagnostic system for reporting and medical performance documentation.METHODS: Development and initial application of the...

Analysis of risk factors for post-operative complications and prognostic predictors of disease recurrence following definitive treatment of patients with esophageal cancer from two medical centers in Northwest China.

Experimental and therapeutic medicine

Wang J, Zhang B, Meng J, Xiao G, Li X, Li G, Qin S, Du N, Zhang J, Zhang J, Xu C, Tang SC, Liang R, Ren H, Sun X.
PMID: 28962198
Exp Ther Med. 2017 Sep;14(3):2584-2594. doi: 10.3892/etm.2017.4835. Epub 2017 Jul 25.

Evaluating the clinicopathological features of patients receiving definitive treatment for esophageal cancer may facilitate the identification of patterns and factors associated with post-operative complications, and enable the development of a surveillance strategy for surviving patients at a higher risk...

Showing 1 to 12 of 326 entries