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Showing 1 to 12 of 388 entries
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Eliminating material constraints for nonlinearity with plasmonic metamaterials.

Nature communications

Neira AD, Olivier N, Nasir ME, Dickson W, Wurtz GA, Zayats AV.
PMID: 26195182
Nat Commun. 2015 Jul 21;6:7757. doi: 10.1038/ncomms8757.

Nonlinear optical materials comprise the foundation of modern photonics, offering functionalities ranging from ultrafast lasers to optical switching, harmonic and soliton generation. Optical nonlinearities are typically strong near the electronic resonances of a material and thus provide limited tuneability...

Superluminal and stopped light due to mode coupling in confined hyperbolic metamaterial waveguides.

Scientific reports

Neira AD, Wurtz GA, Zayats AV.
PMID: 26643503
Sci Rep. 2015 Dec 08;5:17678. doi: 10.1038/srep17678.

Anisotropic metamaterials with hyperbolic dispersion can be used to design waveguides with unusual properties. We show that, in contrast to planar waveguides, geometric confinement leads to coupling of ordinary (forward) and extraordinary (backward) modes and formation of hybrid waveguided...

Fungal Super Glue: The Biofilm Matrix and Its Composition, Assembly, and Functions.

PLoS pathogens

Mitchell KF, Zarnowski R, Andes DR.
PMID: 27685086
PLoS Pathog. 2016 Sep 29;12(9):e1005828. doi: 10.1371/journal.ppat.1005828. eCollection 2016 Sep.

No abstract available.

Prohibitin-induced obesity leads to anovulation and polycystic ovary in mice.

Biology open

Ande SR, Nguyen KH, Xu YXZ, Mishra S.
PMID: 28432106
Biol Open. 2017 Jun 15;6(6):825-831. doi: 10.1242/bio.023416.

Polycystic ovary syndrome (PCOS) is a prevalent endocrine disorder and the most common cause of female infertility. However, its etiology and underlying mechanisms remain unclear. Here we report that a transgenic obese mouse (Mito-Ob) developed by overexpressing prohibitin in...

Pushing the limits of mercury sensors with gold nanorods.

Analytical chemistry

Rex M, Hernandez FE, Campiglia AD.
PMID: 16408926
Anal Chem. 2006 Jan 15;78(2):445-51. doi: 10.1021/ac051166r.

The method presented here provides a direct way to determine mercury in tap water samples at the parts-per-trillion level. Its outstanding selectivity and sensitivity results from the well-known amalgamation process that occurs between mercury and gold. The entire procedure...

Measuring scatter with a cryogenic probe and an ICCD camera: recording absorption spectra in Shpol'skii matrixes and fluorescence quantum yields in glassy solvents.

Analytical chemistry

Campiglia AD, Yu S, Bystol AJ, Wang H.
PMID: 17297973
Anal Chem. 2007 Feb 15;79(4):1682-9. doi: 10.1021/ac061914s.

Recording absorption spectra via transmittance through frozen matrixes is a challenging task. The main reason is the difficulty in overcoming the strong scattering light reaching the detector. This is particularly true when thick samples are necessary for recording absorption...

Sonication-laser-excited time-resolved Shpol'skii spectrometry: a facile method for the direct screening of fifteen priority pollutants in soil samples.

Applied spectroscopy

Yu S, Goicoechea HC, Campiglia AD.
PMID: 17331307
Appl Spectrosc. 2007 Feb;61(2):165-70. doi: 10.1366/000370207779947521.

A unique method for screening polycyclic aromatic hydrocarbons (PAH) in soil samples is reported. Milligrams of soil are sonicated into the vial of a cryogenic fiber-optic probe with 250 microL of n-octane. Pollutants partition into the layer of extracting...

Marketing vs Training in Herd Health Programs.

The Canadian veterinary journal = La revue veterinaire canadienne

McDermott J, Martin W, Alves D.
PMID: 17422894
Can Vet J. 1987 Oct;28(10):629.

No abstract available.

Angle-dependent magnetoresistance in the weakly incoherent interlayer transport regime in a layered organic conductor.

Physical review letters

Kartsovnik MV, Andres D, Simonov SV, Biberacher W, Sheikin I, Kushch ND, Müller H.
PMID: 16712253
Phys Rev Lett. 2006 Apr 28;96(16):166601. doi: 10.1103/PhysRevLett.96.166601. Epub 2006 Apr 25.

We present comparative studies of the orientation effect of a strong magnetic field on the interlayer resistance of alpha-(BEDT-TTF)2KHg(SCN)4 samples characterized by different crystal quality. We find striking differences in their behavior, which is attributed to the breakdown of...

Copper iodide-catalyzed cyclization of (Z)-chalcogenoenynes.

Organic letters

Stein AL, Alves D, da Rocha JT, Nogueira CW, Zeni G.
PMID: 18826235
Org Lett. 2008 Nov 06;10(21):4983-6. doi: 10.1021/ol802060f. Epub 2008 Oct 01.

We present here our results of the efficient copper-catalyzed cyclizations of chalcogenoenynes and establish a route to obtain 3-substituted chalcogenophenes in good to excellent yields. In addition, the obtained chalcogenophenes were readily transformed to more complex products using the...

[Virtual colonoscopy as a part of the algorithm of the facultative examinations prior to the colorectal carcinoma procedure].

Rozhledy v chirurgii : mesicnik Ceskoslovenske chirurgicke spolecnosti

Vávra P, Vávrová M, Dostalík J, Gunková P, Pelikán A, Jonszta T, Andel P, Rydlová M.
PMID: 15818862
Rozhl Chir. 2005 Feb;84(2):79-82.

The authors present their own initial experience with virtual colonoscopy. Both benign and malignant stenosing processes of the colon and rectum, which make examining oral parts of the colon using colonoscopy or irrigography impossible, are the main indication for...

O-GlcNAc modification: why so intimately associated with phosphorylation?.

Cell communication and signaling : CCS

Mishra S, Ande SR, Salter NW.
PMID: 21223562
Cell Commun Signal. 2011 Jan 11;9(1):1. doi: 10.1186/1478-811X-9-1.

Post-translational modification of proteins at serine and threonine side chains by β-N-acetylglucosamine (O-GlcNAc) mediated by the enzyme β-N-acetylglucosamine transferase has been emerging as a fundamental regulatory mechanism encompassing a wide range of proteins involved in cell division, metabolism, transcription...

Showing 1 to 12 of 388 entries