Quantum mechanics, Bayes' theorem and the conjunction fallacy (2007)
In the present article we consider the conjunction fallacy, a well known cognitive heuristic experimentally tested in cognitive science, which occurs for intuitive judgments in situations of bounded...
Binding energy of light excitons in spherical quantum dots over hydrostatic pressure (2007)
Moscoso Moreno, C. A., Franco, R., Silva-Valencia, J.
We study the effects of hydrostatic pressure over the ground state binding energy of light holes excitons confined in GaAs - Ga1-xAlxAs spherical quantum dots for x = 0,3. We applied the variational...
Devia, A., Vargas, S., Espitia, M., Alzate, G.I., Castillo, H., Benavides, V.J., ...
Multi-evaporator equipment for industrial applications has been designed. It is used to produce thin films by means of Plama Asisted Physical Vapour Deposition, using pulsed electric arc evaporation...
Silva-Valencia, J., Franco, R., Rodríguez, J. A.
We study the electronic transport through the (112) surface of the CuInSe2 compount, coupled with a quantum dot, considering strong electronic repulsion inside the dot. The surface density of states...
Criterios psicosomáticos de gravedad en oncología (2007)
Ruiz, R., Shellick, A. A., Usobiaga, I., Muro, J., Bilbao, J.I., Franco, R.
En el presente estudio se han examinado 7 ítems de riesgo psicomático de la Clasificaición Psicosomática de Pierre Marty. Han participado 92 pacientes ingresados en un Área Médica del Hospital...
Phase evolution of the electronic transmission through a Kondo correlated quantum dot (2006)
Franco,R., Silva-Valencia,J., Figueira,M. S.
We study the scattering phase shift of the Kondo assisted transmission through a quantum dot (QD), considering a model that includes an additional non resonant channel transmission. To compute the...
The effective charge velocity of spin-¹/2 superlattices (2006)
Silva-Valencia,J., Franco,R., Figueira,M. S.
We calculate the spin gap of homogeneous and inhomogeneous spin chains, using the White's density matrix renormalization group technique. We found that the spin gap is related to the ration between...
Moscoso Moreno, C. A., Franco, R., Silva-Valencia, J.
Se estudiará el efecto de la presión hidrostática sobre la energía de enlace de excitones confinados en puntos cuánticos esféricos. La variación de la energía de enlace en función de la...
Discrete Wigner distribution for two qubits: a characterization of entanglement properties (2005)
We study the properties of the discrete Wigner distribution for two qubits introduced by Wotters. In particular, we analyze the entanglement properties within the Wigner distribution picture by...
Buonsante, P., Franco, R., Penna, V.
We determine the low-energy spectrum and the eigenstates for a two-bosonic mode nonlinear model by applying the In\"{o}n\"{u}-Wigner contraction method to the Hamiltonian algebra. This model is known...
Franco, R., Anda, E. V, Figueira, M. S.
We study the electronic transport through a quantum wire (QW) with a strong side coupled quantum dot (QD). We obtain a linear conductance with lateral peaks when the gate voltage, is located near the...
Phase diagram of the $CuO_{3}$ chains in $YBa_{2}Cu_{3}O_{6+X}$ and $PrBa_{2}Cu_{3}O_{6+X}$ (2003)
We use a mapping of the multiband Hubbard model for $CuO_{3}$ chains in $RBa_{2}Cu_{3}0_{6+x}$ (R=Y or a rare earth) onto a $t-J$ model and the description of the charge dynamics of the latter in...
Thermodynamic properties of the periodic Anderson model:X-boson treatment (2003)
Franco, R., Figueira, M. S, Foglio, M. E
We study the specific dependence of the periodic Anderson Model (PAM) in the limit of $U=\infty$ employing the X-boson treatment in two fifferent regimes of the PAM: the heavy fermion Kondo (HF-K)...
Franco, R., Figueira, M. S., Anda, E. V.
The transport through a quantum wire with a side coupled quantum dot is studied. We use the X-boson treatment for the Anderson single impurity model in the limit of $U=\infty $. The conductance...
Franco, R., Figueira, M. S., Foglio, M. E.
The Periodic Anderson Model (PAM) in the $U\to\infty$ limit has been studied in a previous work employing the cumulant expansion with the hybridization as perturbation (M. S. Figueira, M. E. Foglio...
X-boson cumulant approach to the periodic Anderson model (2001)
Franco, R., Figueira, M. S., Foglio, M. E.
The Periodic Anderson Model (PAM) can be studied in the infinite U limit by employing the Hubbard X operators to project out the unwanted states. We have already studied this problem employing the...
Mazzolai, F., Paparo, G., Franco, R.
It has been found that the total change of the Young's modulus E induced by H and (or) Ag results from a negative lattice expansion term, and a positive electronic term, which increases with...
Mazzolai, F., Paparo, G., Franco, R.
It has been found that the total change of the Young's modulus E induced by H and (or) Ag results from a negative lattice expansion term, and a positive electronic term, which increases with...
Mazzolai, F., Paparo, G., Franco, R.
It has been found that the total change of the Young's modulus E induced by H and (or) Ag results from a negative lattice expansion term, and a positive electronic term, which increases with...
Valenzuela, A, Blanco, J, Krust, B, Franco, R, Hovanessian, A G
The CD4 molecule is an essential receptor for human immunodeficiency virus type 1 (HIV-1) through high-affinity interactions with the viral external envelope glycoprotein gp120. Previously,...
Casadó, V, Franco, R, Mallol, J, Lluis, C, Canela, E I
A method of obtaining estimates of the maximum binding and association and dissociation rate constants for a receptor-ligand interaction is described. This new procedure, the association-saturation...
A model for adenosine transport and metabolism.
Centelles, J J, Cascante, M, Canela, E I, Franco, R
1. A model is presented for adenosine transport and metabolism in different steady states. The model considers steady-state equations for metabolic enzymes based on information from the literature on...
Sayós, J, Solsona, C, Mallol, J, Lluis, C, Franco, R
Uptake of [3H]adenosine in brush-border membrane (BBM) vesicles from either rat or pig kidney leads to an accumulation of intravesicular [3H]AMP. The lack of significant levels of ATP and the...
Franco, R, Gavaldà, M T, Canela, E I
A method of model discrimination and parameter estimation in enzyme kinetics is proposed. The experimental design and analysis of the model are carried out simultaneously and the stopping rule for...
Fitting integrated enzyme rate equations to progress curves with the use of a weighting matrix.
Franco, R, Aran, J M, Canela, E I
A method is presented for fitting the pairs of values product formed-time taken from progress curves to the integrated rate equation. The procedure is applied to the estimation of the kinetic...
Enzyme kinetic studies from progress curves.
A method is described for fitting the velocities obtained from progress curves to a steady-state rate equation. It is based on the method of Markus & Plesser [(1981) in Kinetic Data Analysis: Design...
Pacheco, R., Martinez-Navio, J. M., Lejeune, M., Climent, N., Oliva, H., Gatell, J. M., ...
Adenosine deaminase (ADA), a protein whose deficit leads to severe combined immunodeficiency, binds to the cell surface by means of either CD26, A1 adenosine receptors, or A2B adenosine receptors....
Franco, R, Pereira, A S, Tavares, P, Mangravita, A, Barber, M J, Moura, I, ...
Ferrochelatase (EC 4.99.1.1) is the terminal enzyme of the haem biosynthetic pathway and catalyses iron chelation into the protoporphyrin IX ring. Glutamate-287 (E287) of murine mature ferrochelatase...
Surface expression of adenosine deaminase in mitogen-stimulated lymphocytes.
Martin, M, Centelles, J J, Huguet, J, Echevarne, F, Colomer, D, Vives-Corrons, J L, ...
Adenosine deaminase (ADA) expression on the surface of mitogen-stimulated lymphocytes was studied by flow cytometry. The gate for lymphocytes was located by cell size (forward scatter), cytoplasmic...
Plasma concentrations and cardiotoxic effects of desipramine and protriptyline in the rat
Bianchetti, G., Bonaccorsi, Aurora, Chiodaroli, A., Franco, R., Garattini, S., Gomeni, R., ...
1 Desipramine and protriptyline were administered to anaesthetized rats by two consecutive intravenous infusions in order to obtain a peak level (first infusion) followed by lower steady state...
Plasma nortriptyline and cardiac responses in young and old rats.
Bonaccorsi, A, Franco, R, Garattini, S, Morselli, P L, Pita, E
1. The relationship between plasma concentrations and cardiac effects of nortriptyline was studied in anaesthetized young and old rats. 2. Nortriptyline was administered by two consecutive...
Characterization of adenosine receptors in brush-border membranes from pig kidney.
Blanco, J., Canela, E. I., Mallol, J., Lluís, C., Franco, R.
1. The adenosine receptors from pig kidney proximal tubules have been studied in membrane vesicle preparations derived from either luminal (brush-border membranes-BBM-) or basolateral (BL) sides....