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Showing 1 to 12 of 1133 entries
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Observation of sub-Bragg diffraction of waves in crystals.

Physical review letters

Huisman SR, Nair RV, Hartsuiker A, Woldering LA, Mosk AP, Vos WL.
PMID: 22463531
Phys Rev Lett. 2012 Feb 24;108(8):083901. doi: 10.1103/PhysRevLett.108.083901. Epub 2012 Feb 22.

We investigate the diffraction conditions and associated formation of stop gaps for waves in crystals with different Bravais lattices. We identify a prominent stop gap in high-symmetry directions that occurs at a frequency below the ubiquitous first-order Bragg condition....

Frontiers in microbiology

Sannasiddappa TH, Lund PA, Clarke SR.
PMID: 28878747
Front Microbiol. 2017 Aug 23;8:1581. doi: 10.3389/fmicb.2017.01581. eCollection 2017.

Bile salts are potent antimicrobial agents and are an important component of innate defenses in the intestine, giving protection against invasive organisms. They play an important role in determining microbial ecology of the intestine and alterations in their levels...

Optimizing light transport in scintillation crystals for time-of-flight PET: an experimental and optical Monte Carlo simulation study.

Biomedical optics express

Berg E, Roncali E, Cherry SR.
PMID: 26114040
Biomed Opt Express. 2015 May 26;6(6):2220-30. doi: 10.1364/BOE.6.002220. eCollection 2015 Jun 01.

Achieving excellent timing resolution in gamma ray detectors is crucial in several applications such as medical imaging with time-of-flight positron emission tomography (TOF-PET). Although many factors impact the overall system timing resolution, the statistical nature of scintillation light, including...

Involvement of Cannabinoid Signaling in Vincristine-Induced Gastrointestinal Dysmotility in the Rat.

Frontiers in pharmacology

Vera G, López-Pérez AE, Uranga JA, Girón R, Martín-Fontelles MI, Abalo R.
PMID: 28220074
Front Pharmacol. 2017 Feb 06;8:37. doi: 10.3389/fphar.2017.00037. eCollection 2017.

No abstract available.

Charge optimized many-body (COMB) potential for Al2O3 materials, interfaces, and nanostructures.

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

Choudhary K, Liang T, Chernatynskiy A, Phillpot SR, Sinnott SB.
PMID: 26151746
J Phys Condens Matter. 2015 Aug 05;27(30):305004. doi: 10.1088/0953-8984/27/30/305004. Epub 2015 Jul 07.

This work presents the development and applications of a new empirical, variable charge potential for Al2O3 systems within the charge optimized many-body (COMB) potential framework. The potential can describe the fundamental physical properties of Al2O3, including cohesive energy, elastic...

Seismic evidence for flow in the hydrated mantle wedge of the Ryukyu subduction zone.

Scientific reports

Nagaya T, Walker AM, Wookey J, Wallis SR, Ishii K, Kendall JM.
PMID: 27436676
Sci Rep. 2016 Jul 20;6:29981. doi: 10.1038/srep29981.

It is widely accepted that water-rich serpentinite domains are commonly present in the mantle above shallow subducting slabs and play key roles in controlling the geochemical cycling and physical properties of subduction zones. Thermal and petrological models show the...

Printing small dots from large drops.

ACS applied materials & interfaces

Talbot EL, Yow HN, Yang L, Berson A, Biggs SR, Bain CD.
PMID: 25614937
ACS Appl Mater Interfaces. 2015 Feb 18;7(6):3782-90. doi: 10.1021/am5087177. Epub 2015 Feb 04.

Printing of droplets of pure solvents containing suspended solids typically leads to a ring stain due to convective transport of the particles toward the contact line during evaporation of the solvent. In mixtures of volatile solvents, recirculating cells driven...

Determining the location and nearest neighbours of aluminium in zeolites with atom probe tomography.

Nature communications

Perea DE, Arslan I, Liu J, Ristanović Z, Kovarik L, Arey BW, Lercher JA, Bare SR, Weckhuysen BM.
PMID: 26133270
Nat Commun. 2015 Jul 02;6:7589. doi: 10.1038/ncomms8589.

Zeolite catalysis is determined by a combination of pore architecture and Brønsted acidity. As Brønsted acid sites are formed by the substitution of AlO4 for SiO4 tetrahedra, it is of utmost importance to have information on the number as...

Characterizing low fluence thresholds for in vitro photodynamic therapy.

Biomedical optics express

Hartl BA, Hirschberg H, Marcu L, Cherry SR.
PMID: 25798302
Biomed Opt Express. 2015 Feb 10;6(3):770-9. doi: 10.1364/BOE.6.000770. eCollection 2015 Mar 01.

The translation of photodynamic therapy (PDT) to the clinic has mostly been limited to superficial diseases where traditional light delivery is noninvasive. To overcome this limitation, a variety of mechanisms have been suggested to noninvasively deliver light to deep...

A comparative study of surface energies and water adsorption on Ce-bastnäsite, La-bastnäsite, and calcite via density functional theory and water adsorption calorimetry.

Physical chemistry chemical physics : PCCP

Goverapet Srinivasan S, Shivaramaiah R, Kent PR, Stack AG, Riman R, Anderko A, Navrotsky A, Bryantsev VS.
PMID: 28262886
Phys Chem Chem Phys. 2017 Mar 15;19(11):7820-7832. doi: 10.1039/c7cp00811b.

Bastnäsite, a fluoro-carbonate mineral, is the single largest mineral source of light rare earth elements (REE), La, Ce and Nd. Enhancing the efficiency of separation of the mineral from gangue through froth flotation is the first step towards meeting...

Mutagenic and genotoxic effects of Anilofos with micronucleus, chromosome aberrations, sister chromatid exchanges and Ames test.

Cytotechnology

Akyil D, Konuk M, Eren Y, Liman R, Sağlam E.
PMID: 28608257
Cytotechnology. 2017 Dec;69(6):865-874. doi: 10.1007/s10616-017-0099-y. Epub 2017 Jun 12.

We aimed to evaluate the mutagenic effect of Anilofos, organophosphate pesticide, by using Ames/Salmonella/microsome test. Its cytotoxic and genotoxic effects were also determined by chromosome aberration (CA), sister chromatid exchange (SCE) and micronucleus (MN) test in human peripheral blood...

Phandango: an interactive viewer for bacterial population genomics.

Bioinformatics (Oxford, England)

Hadfield J, Croucher NJ, Goater RJ, Abudahab K, Aanensen DM, Harris SR.
PMID: 29028899
Bioinformatics. 2018 Jan 15;34(2):292-293. doi: 10.1093/bioinformatics/btx610.

SUMMARY: Fully exploiting the wealth of data in current bacterial population genomics datasets requires synthesizing and integrating different types of analysis across millions of base pairs in hundreds or thousands of isolates. Current approaches often use static representations of...

Showing 1 to 12 of 1133 entries