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Showing 1 to 12 of 112 entries
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Probabilistic Distance for Mixtures of Independent Component Analyzers.

IEEE transactions on neural networks and learning systems

Safont G, Salazar A, Vergara L, Gomez E, Villanueva V.
PMID: 28252412
IEEE Trans Neural Netw Learn Syst. 2018 Apr;29(4):1161-1173. doi: 10.1109/TNNLS.2017.2663843. Epub 2017 Feb 24.

Independent component analysis (ICA) is a blind source separation technique where data are modeled as linear combinations of several independent non-Gaussian sources. The independence and linear restrictions are relaxed using several ICA mixture models (ICAMMs) obtaining a two-layer artificial...

Development of Resistance-Based pH Sensor Using Zinc Oxide Nanorods.

Journal of nanoscience and nanotechnology

Copal VC, Tuico AR, Mendoza JP, Ferrolino JP, Vergara CJ, Salvador AA, Estacio ES, Somintac AS.
PMID: 27427677
J Nanosci Nanotechnol. 2016 Jun;16(6):6102-6. doi: 10.1166/jnn.2016.12125.

The resistance-based pH sensing capability of ZnO nanorods was presented in this study. Interdigitated finger structures of nickel/gold (Ni/Au) electrodes were fabricated on the substrates prior to the sensing material. The effect of varying electrode widths was also considered....

[Subjects from the laboratory].

Revista de la sanidad militar del Peru

ESCUDERO L, MEJIA J, VERGARA J, SAENZ C, NEGRON G, RIOS C, PINEDA J.
PMID: 13890747
Rev Sanid Mil Peru. 1961 Apr-Jun;34:15-47.

No abstract available.

Delayed scattering of solitary waves from interfaces in a granular container.

Physical review. E, Statistical, nonlinear, and soft matter physics

Vergara L.
PMID: 16907013
Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Jun;73(6):066623. doi: 10.1103/PhysRevE.73.066623. Epub 2006 Jun 26.

In granular media, the characterization of the behavior of solitary waves around interfaces is of importance in order to look for more applications of these systems. We study the behavior of solitary waves at both interfaces of a symmetric...

Corrections to universal fluctuations in correlated systems: the two-dimensional XY model.

Physical review. E, Statistical, nonlinear, and soft matter physics

Mack G, Palma G, Vergara L.
PMID: 16196656
Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Aug;72(2):026119. doi: 10.1103/PhysRevE.72.026119. Epub 2005 Aug 16.

Generalized universality, as recently proposed, postulates a universal non-Gaussian form of the probability density function (PDF) of certain global observables for a wide class of highly correlated systems of finite volume N. Studying the two-dimensional XY model, we link...

Magnetic anisotropy in isotropic and nanopatterned strongly exchange-coupled nanolayers.

Nanoscale research letters

Vergara J, Favieres C, Madurga V.
PMID: 23088782
Nanoscale Res Lett. 2012 Oct 22;7(1):577. doi: 10.1186/1556-276X-7-577.

In this study, the fabrication of magnetic multilayers with a controlled value of the in-plane uniaxial magnetic anisotropy field in the range of 12 to 72 kA/m was achieved. This fabrication was accomplished by the deposition of bilayers consisting...

Lessons learned while implementing an HIV/AIDS care and treatment program in rural Mozambique.

Retrovirology : research and treatment

Moon TD, Burlison JR, Sidat M, Pires P, Silva W, Solis M, Rocha M, Arregui C, Manders EJ, Vergara AE, Vermund SH.
PMID: 25097450
Retrovirology (Auckl). 2010 Apr 23;3:1-14. doi: 10.4137/RRT.S4613.

Mozambique has severe resource constraints, yet with international partnerships, the nation has placed over 145,000 HIV-infected persons on antiretroviral therapies (ART) through May-2009. HIV clinical services are provided at > 215 clinical venues in all 11 of Mozambique's provinces.

BRST-BFV method for nonstationary systems.

Physical review. D, Particles and fields

García JA, Urrutia LF, Vergara JD.
PMID: 10018336
Phys Rev D Part Fields. 1995 May 15;51(10):5806-5815. doi: 10.1103/physrevd.51.5806.

No abstract available.

A defined subunit vaccine that protects against vector-borne visceral leishmaniasis.

NPJ vaccines

Duthie MS, Pereira L, Favila M, Hofmeyer KA, Reed SJ, Metangmo S, Townsend S, Laurance JD, Picone A, Misquith A, Hossain F, Ghosh P, Khan MAA, Guderian J, Bailor HR, Liang H, Vergara J, Oliveira F, Howard RF, Kamhawi S, Mondal D, Coler RN, Valenzuela JG, Reed SG.
PMID: 29263878
NPJ Vaccines. 2017 Aug 21;2:23. doi: 10.1038/s41541-017-0025-5. eCollection 2017.

Vaccine development for vector-borne pathogens may be accelerated through the use of relevant challenge models, as has been the case for malaria. Because of the demonstrated biological importance of vector-derived molecules in establishing natural infections, incorporating natural challenge models...

Structurally Oriented Nano-Sheets in Co Thin Films: Changing Their Anisotropic Physical Properties by Thermally-Induced Relaxation.

Materials (Basel, Switzerland)

Vergara J, Favieres C, Magén C, de Teresa JM, Ibarra MR, Madurga V.
PMID: 29206155
Materials (Basel). 2017 Dec 05;10(12). doi: 10.3390/ma10121390.

We show how nanocrystalline Co films formed by separated oblique nano-sheets display anisotropy in their resistivity, magnetization process, surface nano-morphology and optical transmission. After performing a heat treatment at 270 °C, these anisotropies decrease. This loss has been monitored...

Clonal extent, apical dominance and networking features in the phalanx angiosperm .

Marine biology

Brun FG, Cummaudo F, Olivé I, Vergara JJ, Pérez-Lloréns JL.
PMID: 30363820
Mar Biol. 2007;151(5):1917-1927. doi: 10.1007/s00227-007-0627-y. Epub 2007 Feb 08.

Disaggregating seagrass meadows and studying its components separately (clones, ramets, shoots) can provide us insights on meadow dynamics and growth patterns. The clonal growth, dependent upon clonal rules may regulate and impose constraints to plant architecture and, therefore, determine...

A structure-function approach to optimizing TLR4 ligands for human vaccines.

Clinical & translational immunology

Carter D, Fox CB, Day TA, Guderian JA, Liang H, Rolf T, Vergara J, Sagawa ZK, Ireton G, Orr MT, Desbien A, Duthie MS, Coler RN, Reed SG.
PMID: 27990284
Clin Transl Immunology. 2016 Nov 02;5(11):e108. doi: 10.1038/cti.2016.63. eCollection 2016 Nov.

Adjuvants are combined with vaccine antigens to enhance and modify immune responses, and have historically been primarily crude, undefined entities. Introducing toll-like receptor (TLR) ligands has led to a new generation of adjuvants, with TLR4 ligands being the most...

Showing 1 to 12 of 112 entries