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Showing 1 to 12 of 184 entries
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Method for targetless tracking subpixel in-plane movements.

Applied optics

Espinosa J, Perez J, Ferrer B, Mas D.
PMID: 26368902
Appl Opt. 2015 Sep 01;54(25):7760-5. doi: 10.1364/AO.54.007760.

We present a targetless motion tracking method for detecting planar movements with subpixel accuracy. This method is based on the computation and tracking of the intersection of two nonparallel straight-line segments in the image of a moving object in...

The effect of exogenous gangliosides on neurons in culture: A morphometric analysis.

International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience

Massarelli R, Ferret B, Gorio A, Durand M, Dreyfus H.
PMID: 24874859
Int J Dev Neurosci. 1985;3(4):341-8. doi: 10.1016/0736-5748(85)90067-X.

Cultures of isolated neurons have been treated with a purified preparation of gangliosides (10(-5)M and 10(-9)M) added to the cell growth medium at the 3rd day in culture and a morphometric analysis of the cells was performed with an...

A Computational Solution to Automatically Map Metabolite Libraries in the Context of Genome Scale Metabolic Networks.

Frontiers in molecular biosciences

Merlet B, Paulhe N, Vinson F, Frainay C, Chazalviel M, Poupin N, Gloaguen Y, Giacomoni F, Jourdan F.
PMID: 26909353
Front Mol Biosci. 2016 Feb 16;3:2. doi: 10.3389/fmolb.2016.00002. eCollection 2016.

This article describes a generic programmatic method for mapping chemical compound libraries on organism-specific metabolic networks from various databases (KEGG, BioCyc) and flat file formats (SBML and Matlab files). We show how this pipeline was successfully applied to decipher...

Photochemical modification of the surface area and tortuosity of a trans-1,2-bis(4-pyridyl)ethylene periodic mesoporous MCM organosilica.

Chemical communications (Cambridge, England)

Alvaro M, Ferrer B, García H, Rey F.
PMID: 12357755
Chem Commun (Camb). 2002 Sep 21;(18):2012-3. doi: 10.1039/b205883a.

A periodic mesoporous MCM-41 organosilica containing trans-1,2-bis(4-pyridyl)ethylene (t-BE) (350 m2 g-1; 0.28 cm3 g-1) incorporated in the silica walls undergoes photochemical isomerization to the cis configured bis(4-pyridyl)ethylene resulting in a dramatic area (473 m2 g-1) and pore volume (0.38...

Photochemistry of charge-transfer complexes in a viologen periodic mesoporous organosilica: time evolution from femtoseconds to minutes.

Chemphyschem : a European journal of chemical physics and physical chemistry

Alvaro M, Ferrer B, García H, Hashimoto S, Hiratsuka M, Asahi T, Masuhara H.
PMID: 15298398
Chemphyschem. 2004 Jul 19;5(7):1058-62. doi: 10.1002/cphc.200301038.

No abstract available.

Separation and characterization of inner and outer envelope membranes of pea chloroplasts.

Proceedings of the National Academy of Sciences of the United States of America

Cline K, Andrews J, Mersey B, Newcomb EH, Keegstra K.
PMID: 16593034
Proc Natl Acad Sci U S A. 1981 Jun;78(6):3595-9. doi: 10.1073/pnas.78.6.3595.

A procedure for purifying the chloroplast envelope subfractionates it into two membrane fractions of comparable quantities. This procedure differs from previous ones in that the chloroplasts are ruptured by freezing and thawing in hypertonic medium rather than by osmotic...

The Historical American Exhibition at Madrid.

Science (New York, N.Y.)

Ferree B.
PMID: 17731642
Science. 1892 Jan 15;19(467):37-8. doi: 10.1126/science.ns-19.467.37-a.

No abstract available.

Photochemistry of gold nanoparticles functionalized with an iron(II) terpyridine complex. An integrated visible light photocatalyst for hydrogen generation.

Dalton transactions (Cambridge, England : 2003)

Alvaro M, Aprile C, Ferrer B, Sastre F, García H.
PMID: 19727465
Dalton Trans. 2009 Sep 28;(36):7437-44. doi: 10.1039/b906326a. Epub 2009 Jul 17.

Gold nanoparticles functionalized with iron(II) terpyridine complexes undergo upon laser flash excitation long-lived charge separation in both conventional organic solvents and ionic liquids. The nature of the transient species depends on the laser excitation wavelength, 308 (Fe(tpyR)(2)(3+) and Au-)...

Ion dependent efflux from neuronal and glial cell cultures.

Neurochemistry international

Mykita S, Ferret B, Hoffmann D, Massarelli R.
PMID: 20501117
Neurochem Int. 1987;10(4):451-7. doi: 10.1016/0197-0186(87)90071-4.

A spontaneous efflux of choline originating from the cytoplasmic free choline compartment and, partly, from metabolized form was measured from neurons and glial cells in culture. The efflux was stimulated by an excess of K(+) and by the absence...

The efference cascade, consciousness, and its self: naturalizing the first person pivot of action control.

Frontiers in psychology

Merker B.
PMID: 23950750
Front Psychol. 2013 Aug 09;4:501. doi: 10.3389/fpsyg.2013.00501. eCollection 2013.

The 20 billion neurons of the neocortex have a mere hundred thousand motor neurons by which to express cortical contents in overt behavior. Implemented through a staggered cortical "efference cascade" originating in the descending axons of layer five pyramidal...

Measurement of wide frequency range structural microvibrations with a pocket digital camera and sub-pixel techniques.

Applied optics

Mas D, Espinosa J, Roig AB, Ferrer B, Perez J, Illueca C.
PMID: 22614487
Appl Opt. 2012 May 10;51(14):2664-71. doi: 10.1364/AO.51.002664.

Analysis of vibrations and displacements is a hot topic in structural engineering. Although there is a wide variety of methods for vibration analysis, direct measurement of displacements in the mid and high frequency range is not well solved and...

Nonlinear dispersive waves in repulsive lattices.

Physical review. E

Mehrem A, Jiménez N, Salmerón-Contreras LJ, García-Andrés X, García-Raffi LM, Picó R, Sánchez-Morcillo VJ.
PMID: 29347213
Phys Rev E. 2017 Jul;96(1):012208. doi: 10.1103/PhysRevE.96.012208. Epub 2017 Jul 12.

The propagation of nonlinear waves in a lattice of repelling particles is studied theoretically and experimentally. A simple experimental setup is proposed, consisting of an array of coupled magnetic dipoles. By driving harmonically the lattice at one boundary, we...

Showing 1 to 12 of 184 entries