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Showing 1 to 12 of 626 entries
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Global color estimation of special-effect coatings from measurements by commercially available portable multiangle spectrophotometers.

Journal of the Optical Society of America. A, Optics, image science, and vision

Ferrero A, Campos J, Perales E, Martínez-Verdú FM, van der Lans I, Kirchner E.
PMID: 26366484
J Opt Soc Am A Opt Image Sci Vis. 2015 Jan 01;32(1):1-11. doi: 10.1364/JOSAA.32.000001.

Colors of special-effect coatings have strong dependence on illumination/viewing geometry and an appealing appearance. An open question is to ask about the minimum number of measurement geometries required to completely characterize their observed color shift. A recently published principal...

Graphene/h-BN plasmon-phonon coupling and plasmon delocalization observed by infrared nano-spectroscopy.

Nanoscale

Barcelos ID, Cadore AR, Campos LC, Malachias A, Watanabe K, Taniguchi T, Maia FC, Freitas R, Deneke C.
PMID: 26091534
Nanoscale. 2015 Jul 21;7(27):11620-5. doi: 10.1039/c5nr01056j. Epub 2015 Jun 19.

We observed the coupling of graphene Dirac plasmons with different surfaces using scattering-type scanning near-field optical microscopy integrated into a mid-infrared synchrotron-based beamline. A systematic investigation of a graphene/hexagonal boron nitride (h-BN) heterostructure is carried out and compared with...

Taxonomic identification of the thermotolerant and fast-growing fungus Lichtheimia ramosa H71D and biochemical characterization of the thermophilic xylanase LrXynA.

AMB Express

Alvarez-Zúñiga MT, Santiago-Hernández A, Rodríguez-Mendoza J, Campos JE, Pavón-Orozco P, Trejo-Estrada S, Hidalgo-Lara ME.
PMID: 29098440
AMB Express. 2017 Nov 02;7(1):194. doi: 10.1186/s13568-017-0494-y.

The zygomycete fungus Lichtheimia ramosa H71D, isolated from sugarcane bagasse compost, was identified by applying phylogenetic analysis based on the DNA sequence of the Internal Transcribed Spacer (ITS), and subsequent secondary structure analysis of ITS2. L. ramosa H71D was...

Trade-off between reservoir yield and evaporation losses as a function of lake morphology in semi-arid Brazil.

Anais da Academia Brasileira de Ciencias

Campos JN, Lima IE, Studart TM, Nascimento LS.
PMID: 27254450
An Acad Bras Cienc. 2016 May 31;88(2):1113-25. doi: 10.1590/0001-3765201620150124.

This study investigates the relationships between yield and evaporation as a function of lake morphology in semi-arid Brazil. First, a new methodology was proposed to classify the morphology of 40 reservoirs in the Ceará State, with storage capacities ranging...

Synthesis and characterization of depolarizing samples based on the indices of polarimetric purity.

Optics letters

Van Eeckhout A, Lizana A, Garcia-Caurel E, Gil JJ, Ossikovski R, Campos J.
PMID: 29028036
Opt Lett. 2017 Oct 15;42(20):4155-4158. doi: 10.1364/OL.42.004155.

In this work, we discuss the interest of using the indices of polarimetric purity (IPPs) as a criterion for the characterization and classification of depolarizing samples. We prove how differences in the depolarizing capability of samples, not seen by...

Dual polarization split lenses.

Optics express

Cofré A, Vargas A, Torres-Ruiz FA, Campos J, Lizana A, Sánchez-López MM, Moreno I.
PMID: 29041328
Opt Express. 2017 Oct 02;25(20):23773-23783. doi: 10.1364/OE.25.023773.

We report the realization of polarization sensitive split lens configurations. While split lenses can be used to easily generate different types of controlled structured light patterns, their realization has been limited so far to scalar beams. Here we propose...

Electrochemical activation of Cp* iridium complexes for electrode-driven water-oxidation catalysis.

Journal of the American Chemical Society

Thomsen JM, Sheehan SW, Hashmi SM, Campos J, Hintermair U, Crabtree RH, Brudvig GW.
PMID: 25188635
J Am Chem Soc. 2014 Oct 01;136(39):13826-34. doi: 10.1021/ja5068299. Epub 2014 Sep 22.

Organometallic iridium complexes bearing oxidatively stable chelate ligands are precursors for efficient homogeneous water-oxidation catalysts (WOCs), but their activity in oxygen evolution has so far been studied almost exclusively with sacrificial chemical oxidants. In this report, we study the...

Optimization, tolerance analysis and implementation of a Stokes polarimeter based on the conical refraction phenomenon.

Optics express

Peinado A, Lizana A, Turpín A, Iemmi C, Kalkandjiev TK, Mompart J, Campos J.
PMID: 25836795
Opt Express. 2015 Mar 09;23(5):5636-52. doi: 10.1364/OE.23.005636.

Recently, we introduced the basic concepts behind a new polarimeter device based on conical refraction (CR), which presents several appealing features compared to standard polarimeters. To name some of them, CR polarimeters retrieve the polarization state of an input...

Age Differences in Visual-Auditory Self-Motion Perception during a Simulated Driving Task.

Frontiers in psychology

Ramkhalawansingh R, Keshavarz B, Haycock B, Shahab S, Campos JL.
PMID: 27199829
Front Psychol. 2016 Apr 28;7:595. doi: 10.3389/fpsyg.2016.00595. eCollection 2016.

Recent evidence suggests that visual-auditory cue integration may change as a function of age such that integration is heightened among older adults. Our goal was to determine whether these changes in multisensory integration are also observed in the context...

INTESTINAL MALROTATION IN PATIENTS UNDERGOING BARIATRIC SURGERY.

Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery

Vidal EA, Rendon FA, Zambrano TA, García YA, Viteri MF, Campos JM, Ramos MG, Ramos AC.
PMID: 27683770
Arq Bras Cir Dig. 2016;29:24-26. doi: 10.1590/0102-6720201600S10007.

BACKGROUND: Intestinal malrotation is a rare congenital anomaly. In adults is very difficult to recognize due to the lack of symptoms. Diagnosis is usually incidental during surgical procedures or at autopsy.AIM: To review the occurrence and recognition of uneventful...

THE IMPORTANCE OF BRAZILIAN SOCIETY OF METABOLIC AND BARIATRIC SURGERY AND ITS INTERACTION WITH THE XXI WORLD CONGRESS OF IFSO IN BRAZIL.

Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery

Campos JM, Ramos AC, Cohen R.
PMID: 27683764
Arq Bras Cir Dig. 2016;29:1-2. doi: 10.1590/0102-6720201600S10001.

No abstract available.

Internet Addiction and Excessive Social Networks Use: What About Facebook?.

Clinical practice and epidemiology in mental health : CP & EMH

Guedes E, Sancassiani F, Carta MG, Campos C, Machado S, King AL, Nardi AE.
PMID: 27418940
Clin Pract Epidemiol Ment Health. 2016 Jun 28;12:43-8. doi: 10.2174/1745017901612010043. eCollection 2016.

Facebook is notably the most widely known and used social network worldwide. It has been described as a valuable tool for leisure and communication between people all over the world. However, healthy and conscience Facebook use is contrasted by...

Showing 1 to 12 of 626 entries