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Showing 1 to 12 of 282 entries
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Raspberry-like metamolecules exhibiting strong magnetic resonances.

ACS nano

Qian Z, Hastings SP, Li C, Edward B, McGinn CK, Engheta N, Fakhraai Z, Park SJ.
PMID: 25621502
ACS Nano. 2015 Feb 24;9(2):1263-70. doi: 10.1021/nn5050678. Epub 2015 Feb 02.

We report a synthetic approach to produce raspberry-like plasmonic nanostructures with unusually strong magnetic resonances, termed raspberry-like metamolecules (raspberry-MMs). The synthesis based on the surfactant-assisted templated seed-growth method allows for the simultaneous one-step synthesis and assembly of well-insulated gold...

Treatment of Rockwood type III acromioclavicular joint dislocation using autogenous semitendinosus tendon graft and endobutton technique.

Therapeutics and clinical risk management

Ye G, Peng CA, Sun HB, Xiao J, Zhu K.
PMID: 26811685
Ther Clin Risk Manag. 2016 Jan 11;12:47-51. doi: 10.2147/TCRM.S81829. eCollection 2016.

BACKGROUND: The aim of this study was to evaluate the therapeutic effect of autogenous semitendinosus graft and endobutton technique, and compare with hook plate in treatment of Rockwood type III acromioclavicular (AC) joint dislocation.METHODS: From April 2012 to April...

Dietary supplementation of chloroquine with nigella sativa seed and oil extracts in the treatment of malaria induced in mice with plasmodium berghei.

Pharmacognosy magazine

Emeka PM, Badger-Emeka LI, Eneh CM, Khan TM.
PMID: 24991115
Pharmacogn Mag. 2014 Apr;10:S357-62. doi: 10.4103/0973-1296.133282.

BACKGROUND: The aim of the study was to investigate the effects of dietary combination of Nigella sativa seed and oil extracts with chloroquine (CQ), and how these combinations enhance CQ efficacy in mice infected with Plasmodium berghei and their...

Biological fixation of a modified moore prosthesis.

Orthopedics

Engh CA, Bobyn JD, Gorski JM.
PMID: 24822920
Orthopedics. 1984 Feb 01;7(2):285-98. doi: 10.3928/0147-7447-19840201-15.

Clinical experience with a poroussurfaced modified Moore prosthesis designed for biological fixation is described. Principles of noncemented arthroplasty including details of patient selection, implant design and selection, and surgical technique are emphasized. Analysis of the first 100 patients with...

NEMS With Broken T Symmetry: Graphene Based Unidirectional Acoustic Transmission Lines.

Scientific reports

Zanjani MB, Davoyan AR, Engheta N, Lukes JR.
PMID: 25993637
Sci Rep. 2015 May 20;5:9926. doi: 10.1038/srep09926.

In this work we discuss the idea of one-way acoustic signal isolation in low dimensional nanoelectromechanical oscillators. We report a theoretical study showing that one-way conversion between in-phase and anti-phase vibrational modes of a double layer graphene nanoribbon is...

Geometry-invariant resonant cavities.

Nature communications

Liberal I, Mahmoud AM, Engheta N.
PMID: 27010103
Nat Commun. 2016 Mar 24;7:10989. doi: 10.1038/ncomms10989.

Resonant cavities are one of the basic building blocks in various disciplines of science and technology, with numerous applications ranging from abstract theoretical modelling to everyday life devices. The eigenfrequencies of conventional cavities are a function of their geometry,...

Tumor bed radiosurgery following resection and prior stereotactic radiosurgery for locally persistent brain metastasis.

Frontiers in oncology

Holt DE, Gill BS, Clump DA, Leeman JE, Burton SA, Amankulor NM, Engh JA, Heron DE.
PMID: 25905042
Front Oncol. 2015 Apr 08;5:84. doi: 10.3389/fonc.2015.00084. eCollection 2015.

PURPOSE: Despite advances in multimodality management of brain metastases, local progression following stereotactic radiosurgery (SRS) can occur. Often, surgical resection is favored, as it frequently provides immediate symptom relief as well as pathological characterization of any residual tumor. Should...

Effect of caring behavior on disposition toward critical thinking of nursing students.

Journal of professional nursing : official journal of the American Association of Colleges of Nursing

Pai HC, Eng CJ, Ko HL.
PMID: 24267938
J Prof Nurs. 2013 Nov-Dec;29(6):423-9. doi: 10.1016/j.profnurs.2012.05.006. Epub 2013 Sep 27.

The purpose of this study was to explore the relationship between caring behavior and the disposition toward critical thinking of nursing students in clinical practice. A structural equation model was used to test the hypothesized relationship between caring behavior...

Coupling of optical lumped nanocircuit elements and effects of substrates.

Optics express

Alú A, Salandrino A, Engheta N.
PMID: 19550658
Opt Express. 2007 Oct 17;15(21):13865-76. doi: 10.1364/oe.15.013865.

We present here an analytical quasi-static circuit model for the coupling among small nanoparticles excited by an optical electric field in the framework of the optical lumped nanocircuit theory [N. Engheta, A. Salandrino, and A. Alù, Phys. Rev. Lett....

Input impedance, nanocircuit loading, and radiation tuning of optical nanoantennas.

Physical review letters

Alù A, Engheta N.
PMID: 18764328
Phys Rev Lett. 2008 Jul 25;101(4):043901. doi: 10.1103/PhysRevLett.101.043901. Epub 2008 Jul 21.

Here we explore the radiation features of optical nanoantennas, analyzing the concepts of optical input impedance, optical radiation resistance, impedance matching, and loading of plasmonic nanodipoles. We discuss how the concept of antenna impedance may be applied to optical...

Circuits with light at nanoscales: optical nanocircuits inspired by metamaterials.

Science (New York, N.Y.)

Engheta N.
PMID: 17885123
Science. 2007 Sep 21;317(5845):1698-702. doi: 10.1126/science.1133268.

A form of optical circuitry is overviewed in which a tapestry of subwavelength nanometer-scale metamaterial structures and nanoparticles may provide a mechanism for tailoring, patterning, and manipulating local optical electric fields and electric displacement vectors in a subwavelength domain,...

Experimental verification of plasmonic cloaking at microwave frequencies with metamaterials.

Physical review letters

Edwards B, Alù A, Silveirinha MG, Engheta N.
PMID: 19905638
Phys Rev Lett. 2009 Oct 09;103(15):153901. doi: 10.1103/PhysRevLett.103.153901. Epub 2009 Oct 06.

Plasmonic cloaking is a scattering-cancellation technique based on the local negative polarizability of metamaterials. Here we report its first experimental realization and measurement at microwave frequencies. An array of metallic fins embedded in a high-permittivity fluid has been used...

Showing 1 to 12 of 282 entries