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Showing 13 to 24 of 758 entries
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Active quench and reset integrated circuit with novel hold-off time control logic for Geiger-mode avalanche photodiodes.

Optics letters

Deng S, Morrison AP.
PMID: 23041889
Opt Lett. 2012 Sep 15;37(18):3876-8. doi: 10.1364/ol.37.003876.

This Letter presents an active quench-and-reset circuit for Geiger-mode avalanche photodiodes (GM-APDs). The integrated circuit was fabricated using a conventional 0.35 μm complementary metal oxide semiconductor process. Experimental results show that the circuit is capable of linearly setting the...

Radiation tolerance of nanocrystalline ceramics: insights from Yttria Stabilized Zirconia.

Scientific reports

Dey S, Drazin JW, Wang Y, Valdez JA, Holesinger TG, Uberuaga BP, Castro RH.
PMID: 25582769
Sci Rep. 2015 Jan 13;5:7746. doi: 10.1038/srep07746.

Materials for applications in hostile environments, such as nuclear reactors or radioactive waste immobilization, require extremely high resistance to radiation damage, such as resistance to amorphization or volume swelling. Nanocrystalline materials have been reported to present exceptionally high radiation-tolerance...

Exploring the Epidemiology of Hospital-Acquired Bloodstream Infections in Children in England (January 2009-March 2010) by Linkage of National Hospital Admissions and Microbiological Databases.

Journal of the Pediatric Infectious Diseases Society

Blackburn RM, Henderson KL, Minaji M, Muller-Pebody B, Johnson AP, Sharland M.
PMID: 26619421
J Pediatric Infect Dis Soc. 2012 Dec;1(4):284-92. doi: 10.1093/jpids/pis084. Epub 2012 Oct 26.

BACKGROUND: Hospital-acquired bloodstream infection (HA-BSI) requires immediate effective antibiotic treatment. However, there are no published national data for England that describe the pathogen profile and antibiotic resistance rates of HA-BSI in children.METHODS: Probabilistic matching methods were used to link...

Superoxide formation on isolated cationic gold clusters.

Angewandte Chemie (International ed. in English)

Woodham AP, Fielicke A.
PMID: 24847973
Angew Chem Int Ed Engl. 2014 Jun 16;53(25):6554-7. doi: 10.1002/anie.201402783. Epub 2014 May 21.

Gold nanoparticles are known to be highly versatile oxidation catalysts utilizing molecular oxygen as a feedstock, but the mechanism and species responsible for activating oxygen remain unclear. The reaction between unsupported cationic gold clusters and molecular oxygen has been...

Science updates. Take heart: pharmacists' vital contributions to maximizing health outcomes.

Journal of the American Pharmacists Association : JAPhA

Clay P.
PMID: 24407748
J Am Pharm Assoc (2003). 2014 Jan-Feb;54(1):96. doi: 10.1331/JAPhA.2014.14507.

No abstract available.

The mobility of small vacancy/helium complexes in tungsten and its impact on retention in fusion-relevant conditions.

Scientific reports

Perez D, Sandoval L, Blondel S, Wirth BD, Uberuaga BP, Voter AF.
PMID: 28559588
Sci Rep. 2017 May 30;7(1):2522. doi: 10.1038/s41598-017-02428-2.

Tungsten is a promising plasma facing material for fusion reactors. Despite many favorable properties, helium ions incoming from the plasma are known to dramatically affect the microstructure of tungsten, leading to bubble growth, blistering, and/or to the formation of...

Corrigendum: Regulatory analysis of the C. elegans genome with spatiotemporal resolution.

Nature

Araya CL, Kawli T, Kundaje A, Jiang L, Wu B, Vafeados D, Terrell R, Weissdepp P, Gevirtzman L, Mace D, Niu W, Boyle AP, Xie D, Ma L, Murray JI, Reinke V, Waterston RH, Snyder M.
PMID: 26560031
Nature. 2015 Dec 03;528(7580):152. doi: 10.1038/nature16075. Epub 2015 Nov 11.

No abstract available.

Presence of Observers Increases One Repetition Maximum in College-age Males and Females.

International journal of exercise science

Baker SC, Jung AP, Petrella JK.
PMID: 27182362
Int J Exerc Sci. 2011 Jul 15;4(3):199-203. eCollection 2011.

PURPOSE: To determine if the presence of observers affects muscular strength performance in college-age males and females.METHODS: Twenty-five women and 24 men participated in the study. Two counter-balanced trials were performed in which participants completed 1-RM tests in bench...

Undergraduate Research: Importance, Benefits, and Challenges.

International journal of exercise science

Petrella JK, Jung AP.
PMID: 27182299
Int J Exerc Sci. 2008 Jul 15;1(3):91-95. eCollection 2008.

Developing and maintaining undergraduate research programs benefits students, faculty mentors, and the university. Incorporating a research component along with a sound academic foundation enables students to develop independent critical thinking skills along with oral and written communication skills. The...

23-Gauge Pars Plana Vitrectomy Versus Scleral Buckling Versus Combined Pars Plana Vitrectomy-Scleral Buckling for Medium-Complexity Retinal Detachment Repair.

Asia-Pacific journal of ophthalmology (Philadelphia, Pa.)

Rush R, Simunovic MP, Sheth S, Chang A, Hunyor AP.
PMID: 26107760
Asia Pac J Ophthalmol (Phila). 2014 Jul-Aug;3(4):215-9. doi: 10.1097/APO.0000000000000013.

PURPOSE: To compare the anatomic and visual outcomes of 23-gauge pars plana vitrectomy (PPV), scleral buckling (SB), and combined 23-gauge PPV/SB in the treatment of primary medium-complexity rhegmatogenous retinal detachment (RRD).DESIGN: A retrospective, consecutive case series.METHODS: A consecutive chart...

Chemistry. Diamondoid hydrocarbons--delving into nature's bounty.

Science (New York, N.Y.)

Marchand AP.
PMID: 12459550
Science. 2003 Jan 03;299(5603):52-3. doi: 10.1126/science.1079630. Epub 2002 Nov 29.

No abstract available.

Visible-light-sensitized near-infrared luminescence from rare-earth complexes of the 9-hydroxyphenalen-1-one ligand.

Inorganic chemistry

Van Deun R, Fias P, Nockemann P, Van Hecke K, Van Meervelt L, Binnemans K.
PMID: 17173388
Inorg Chem. 2006 Dec 25;45(26):10416-8. doi: 10.1021/ic0616277.

The unique absorption properties of the 9-hydroxyphenalen-1-one (HPHN) ligand have been exploited to obtain visible-light-sensitizable rare-earth complexes in 1:3 and 1:4 metal-to-ligand ratios. In both stoichiometries (1:3, tris, Ln(PHN)3; 1:4, tetrakis, A[Ln(PHN)4], with Ln being a trivalent rare-earth ion...

Showing 13 to 24 of 758 entries