C. Castro

Publication List Details

Period

1986 - 2009

Number

60

Co-Authors

Overlapping Alldifferent Constraints and the Sudoku puzzle (2009)

F. Lardeux, E. Monfroy, F. Saubion, B. Crawford, C. Castro

Abstract. Combinatorial problems can be modeled as constraint satisfaction problems (CSP). Modeling and resolution of CSP is often strengthened by global constraints (e.g., Alldiff constraint). We...

AUDITORIA AMBIENTAL CAMPUS GUSTAVO GALINDO (2009)

Castro, C., Villamar, J., Kunh, A., Medina, R.

La Espol siendo un centro de estudios de gran importancia para la comunidad, debe realizar estudios y mantener controles sobre la contaminación que pueden producir sus actividades, tanto en el...

Numerical unsteady flow model simulation during the sluice closure of Caruachi Dam (2009)

A. Marcano, C. Castro, I. Mendez, E. Martinez

Caruachi included diverting the Caroni River through 18, 5.5 × 9 m sluices in the spillway lower body that after being closed by gates permitted the reservoir filling. In order to define the precise...

Efeito da compactação do solo e do sulfentrazone sobre a cultura da soja em duas condições de água no solo (2007)

Zobiole,L.H.S., Oliveira Jr.,R.S., Tormena,C.A., Constantin,J., Cavalieri,S.D., Alonso,D.G., ...

Estudou-se neste trabalho a atividade do sulfentrazone sobre plantas de soja cultivadas em um Latossolo Vermelho distroférrico com diferentes níveis de compactação. As unidades experimentais...

Aplicação simultânea de dessecantes e boro no manejo de plantas daninhas e na nutrição mineral das culturas de soja e girassol (2006)

Brighenti,A.M., Castro,C., Menezes,C.C., Oliveira,F.A., Fernandes,P.B.

Dois experimentos foram conduzidos com o objetivo de avaliar o controle de plantas daninhas em pré-semeadura da soja (Glycine max) e do girassol (Helianthus annuus), por meio de aplicações de...

Comparative study of disc diffusion and microdilution methods in susceptibility testing of micafungin against Candida species (2006)

Ramírez, M., Serrano, M. C., Castro, C., López, E., Almeida, C., Fernández, A., ...

Objectives: To compare the Clinical Laboratory Standards Institute CLSI M44-A disc diffusion (DD) and M27-A2 broth microdilution (MD) methods for determining the susceptibility of Candida spp. to...

Comparative study of disc diffusion and microdilution methods in susceptibility testing of micafungin against Candida species (2006)

Ramírez, M., Serrano, M. C., Castro, C., López, E., Almeida, C., Fernández, A., ...

Objectives: To compare the Clinical Laboratory Standards Institute CLSI M44-A disc diffusion (DD) and M27-A2 broth microdilution (MD) methods for determining the susceptibility of Candida spp. to...

Períodos de interferência de plantas daninhas na cultura do girassol (2004)

Brighenti,A.M., Castro,C., Oliveira Jr.,R.S., Scapim,C.A., Voll,E., Gazziero,D.L.P.

Dois experimentos foram conduzidos na Embrapa Soja, Londrina-PR, com o objetivo de avaliar os efeitos de diferentes períodos de interferência de plantas daninhas sobre o rendimento de óleo e a...

Clifford Algebra of Spacetime and the Conformal Group (2002)

Castro, C., Pavsic, M.

We demonstrate the emergence of the conformal group SO(4,2) from the Clifford algebra of spacetime. The latter algebra is a manifold, called Clifford space, which is assumed to be the arena in which...

Nambu-Goto Strings from SU(N) Born-Infeld model (2002)

Ansoldi, S., Castro, C., Guendelman, E. I., Spallucci, E.

The spectrum of quenched Yang-Mills theory in the large-N limit displays strings and higher dimensional extended objects. The effective dynamics of string-like excitations is encoded into area...

Higher Derivative Gravity and Torsion from the Geometry of C-spaces (2001)

Castro, C., Pavsic, M.

We start from a new theory (discussed earlier) in which the arena for physics is not spacetime, but its straightforward extension-the so called Clifford space ($C$-space), a manifold of points,...

Substituent effects on the electrochemistry and photostability of model compounds of calcium channel antagonist drugs (2001)

Sturm, J. C., Núñez Vergara, Luis J., Fuente, J. De La, Castro, C., Navarrete Encina, P. A., Squella, J. A.

We have synthesized three nitrocompounds in order to mimic the model structure of some relevant drugs such as nifedipine, nitrendipine, nisoldipine, nimodipine, and related ones, in order to...

The QCD Membrane (2001)

Ansoldi, S., Castro, C., Spallucci, E.

In this paper we study spatially quenched, SU(N) Yang-Mills theory in the large-N limit. The resulting reduced action shows the same formal look as the Banks-Fischler-Shenker-Susskind M-theory...

Quenched, Minisuperspace, Bosonic p-brane Propagator (2001)

Ansoldi, S., Aurilia, A., Castro, C., Spallucci, E.

We borrow the minisuperspace approximation from Quantum Cosmology and the quenching approximation from QCD in order to derive a new form of the bosonic p-brane propagator. In this new approximation...

p-Branes from Generalized Yang-Mills Theory (2001)

Ansoldi, S., Castro, C., Spallucci, E.

We consider the reduced, quenched version of a generalized Yang-Mills action in 4k-dimensional spacetime. This is a new kind of matrix theory which is mapped through the Weyl-Wigner-Moyal...

Chern-Simons Hadronic Bag from Quenched Large-N QCD (2000)

Ansoldi, S., Castro, C., Spallucci, E.

SU(N) reduced, quenched, gauge theories have been shown to be related to string theories. We extend this result and show how a 4-dimensional, reduced, quenched, Yang-Mills theory, supplemented by the...

On the quantum aspects of the logarithmic corrections to the black hole entropy (2000)

Castro, C., Granik, A.

A new relativity theory, or more concretely an extended relativity theory, actively developed by one of the authors incorporates 3 basic concepts. They are the old idea of Chew about bootstrapping,...

P-Loop Oscillator on Clifford Manifolds and Black Hole Entropy (2000)

Castro, C., Granik, A.

A new relativity theory, or more concretely an extended relativity theory, actively developed by one of the authors incorporated 3 basic concepts. They are the old idea of Chew about bootstrapping,...

On the WKB quantum equivalence between diverse p-brane actions (2000)

Ansoldi, S., Castro, C., Spallucci, E.

We consider an action for a closed, bosonic, p-brane, where the brane tension is not an assigned parameter but rather it is induced by a maximal rank gauge p-form. This model is classically...

String Representation of Quantum Loops (1998)

Ansoldi, S., Castro, C., Spallucci, E.

We recover a general representation for the quantum state of a relativistic closed line (loop) in terms of string degrees of freedom.The general form of the loop functional splits into the product of...

q deformation by intertwining with application to the singular oscillator (1998)

Rosu, H. C., Castro, C.

We present a version of q-deformed calculus based on deformed counterparts of Darboux intertwining operators. The case in which the deformed transformation function is of the vacuum type is detailed,...

EXAFS Analysis of Co-Containing Polymers (1997)

Chaboy, J., Castro, C.

In this work we present a detailed analysis of the extended x-ray absorption fine structure (EXAFS) spectra at the cobalt K-edge in a series of Co-containing polymers prepared by reaction of the...

EXAFS Analysis of Co-Containing Polymers (1997)

Chaboy, J., Castro, C.

In this work we present a detailed analysis of the extended x-ray absorption fine structure (EXAFS) spectra at the cobalt K-edge in a series of Co-containing polymers prepared by reaction of the...

EXAFS Analysis of Co-Containing Polymers (1997)

Chaboy, J., Castro, C.

In this work we present a detailed analysis of the extended x-ray absorption fine structure (EXAFS) spectra at the cobalt K-edge in a series of Co-containing polymers prepared by reaction of the...

THE VAPOUR PHASE INFRARED SPECTRA IN THE REGION OF $700-100 cm^{-1}$ OF BICYCLO[3.2.1]OCTANE AND ITS $8-DXA, 6-DXA, 6-OXA-7,7-D_{2}$, AND 6,8-DIOXA ANALOGS: EVIDENCE FOR ANHARMONIC SKELETAL DEFORMATIONS (1986)

Castro, C., Ibrahim, N., Rauk, A., Shaw, R. A., Smithson, T. L., Wieser, H.

Address of Smithson: DREV, 2459 Blvd. Pie XI NORD, C. P. 8800, Courcelette, Quebec, GOA IRO Canada. Address of others: Department of Chemistry, University of Calgary, Calgary, Alberta, T2N IN4 Canada.

Molecular Characterization and Identification of Biocontrol Isolates of Trichoderma spp.

Hermosa, M. R., Grondona, I., Iturriaga, E. A., Diaz-Minguez, J. M., Castro, C., Monte, E., ...

The most common biological control agents (BCAs) of the genus Trichoderma have been reported to be strains of Trichoderma virens, T. harzianum, and T. viride. Since Trichoderma BCAs use different...

Isolation of a species-specific mitochondrial DNA sequence for identification of Tilletia indica, the Karnal bunt of wheat fungus.

Ferreira, M A, Tooley, P W, Hatziloukas, E, Castro, C, Schaad, N W

Mitochondrial DNA (mtDNA) from five isolates of Tilletia indica was isolated and digested with several restriction enzymes. A 2.3-kb EcoRI fragment was chosen, cloned, and shown to hybridize with...

Conservation of the 15-kilodalton lipoprotein among Treponema pallidum subspecies and strains and other pathogenic treponemes: genetic and antigenic analyses.

Centurion-Lara, A, Arroll, T, Castillo, R, Shaffer, J M, Castro, C, Van Voorhis, W C, ...

The 15-kDa lipoprotein of Treponema pallidum is a major immunogen during natural syphilis infection in humans and experimental infection in other hosts. The humoral and cellular immune responses to...

Papulacandin B resistance in budding and fission yeasts: isolation and characterization of a gene involved in (1,3)beta-D-glucan synthesis in Saccharomyces cerevisiae.

Castro, C, Ribas, J C, Valdivieso, M H, Varona, R, Del Rey, F, Duran, A

Papulacandin B, an antifungal agent that interferes with the synthesis of yeast cell wall (1,3)beta-D-glucan, was used to isolate resistant mutants in Schizosaccharomyces pombe and Saccharomyces...

bldA-dependent expression of the Streptomyces exfoliatus M11 lipase gene (lipA) is mediated by the product of a contiguous gene, lipR, encoding a putative transcriptional activator.

Servín-González, L, Castro, C, Pérez, C, Rubio, M, Valdez, F

Extracellular lipase synthesis by Streptomyces lividans 66 carrying the cloned lipase gene (lipA) from Streptomyces exfoliatus M11 was found to be growth phase dependent, since lipase was secreted...

Detection of Treponema pallidum by a sensitive reverse transcriptase PCR.

Centurion-Lara, A, Castro, C, Shaffer, J M, Van Voorhis, W C, Marra, C M, Lukehart, S A

Syphilis is diagnosed by serologic testing or by identification of the causative agent, Treponema pallidum. The bacterium has historically been detected in clinical specimens by dark-field...

Species-specific voltage-gating properties of connexin-45 junctions expressed in Xenopus oocytes.

Barrio, L C, Capel, J, Jarillo, J A, Castro, C, Revilla, A

Gap junctions composed of connexin-45 (Cx45) homologs from four species, zebrafish, chicken, mouse, and human, were expressed in pairs of Xenopus oocytes. The macroscopic conductance (gj) of all Cx45...

Molecular dissection of transjunctional voltage dependence in the connexin-32 and connexin-43 junctions.

Revilla, A, Castro, C, Barrio, L C

Most gap junction channels are sensitive to the voltage difference between the two cellular interiors, termed the transjunctional voltage (V(j)). In several junctions, the conductance transitions...

Evaluation of Disk Diffusion Method for Determining Posaconazole Susceptibility of Filamentous Fungi: Comparison with CLSI Broth Microdilution Method

López-Oviedo, E., Aller, A. I., Martín, C., Castro, C., Ramirez, M., Pemán, J. M., ...

The disk diffusion method was evaluated for determining posaconazole susceptibility against 78 strains of molds using two culture media in comparison with the CLSI (Clinical Laboratory Standards...

Molecular Characterization and Identification of Biocontrol Isolates of Trichoderma spp.

Hermosa, M. R., Grondona, I., Iturriaga, E. A., Diaz-Minguez, J. M., Castro, C., Monte, E., ...

The most common biological control agents (BCAs) of the genus Trichoderma have been reported to be strains of Trichoderma virens, T. harzianum, and T. viride. Since Trichoderma BCAs use different...

Isolation of a species-specific mitochondrial DNA sequence for identification of Tilletia indica, the Karnal bunt of wheat fungus.

Ferreira, M A, Tooley, P W, Hatziloukas, E, Castro, C, Schaad, N W

Mitochondrial DNA (mtDNA) from five isolates of Tilletia indica was isolated and digested with several restriction enzymes. A 2.3-kb EcoRI fragment was chosen, cloned, and shown to hybridize with...

Conservation of the 15-kilodalton lipoprotein among Treponema pallidum subspecies and strains and other pathogenic treponemes: genetic and antigenic analyses.

Centurion-Lara, A, Arroll, T, Castillo, R, Shaffer, J M, Castro, C, Van Voorhis, W C, ...

The 15-kDa lipoprotein of Treponema pallidum is a major immunogen during natural syphilis infection in humans and experimental infection in other hosts. The humoral and cellular immune responses to...

Papulacandin B resistance in budding and fission yeasts: isolation and characterization of a gene involved in (1,3)beta-D-glucan synthesis in Saccharomyces cerevisiae.

Castro, C, Ribas, J C, Valdivieso, M H, Varona, R, Del Rey, F, Duran, A

Papulacandin B, an antifungal agent that interferes with the synthesis of yeast cell wall (1,3)beta-D-glucan, was used to isolate resistant mutants in Schizosaccharomyces pombe and Saccharomyces...

bldA-dependent expression of the Streptomyces exfoliatus M11 lipase gene (lipA) is mediated by the product of a contiguous gene, lipR, encoding a putative transcriptional activator.

Servín-González, L, Castro, C, Pérez, C, Rubio, M, Valdez, F

Extracellular lipase synthesis by Streptomyces lividans 66 carrying the cloned lipase gene (lipA) from Streptomyces exfoliatus M11 was found to be growth phase dependent, since lipase was secreted...

Detection of Treponema pallidum by a sensitive reverse transcriptase PCR.

Centurion-Lara, A, Castro, C, Shaffer, J M, Van Voorhis, W C, Marra, C M, Lukehart, S A

Syphilis is diagnosed by serologic testing or by identification of the causative agent, Treponema pallidum. The bacterium has historically been detected in clinical specimens by dark-field...

Species-specific voltage-gating properties of connexin-45 junctions expressed in Xenopus oocytes.

Barrio, L C, Capel, J, Jarillo, J A, Castro, C, Revilla, A

Gap junctions composed of connexin-45 (Cx45) homologs from four species, zebrafish, chicken, mouse, and human, were expressed in pairs of Xenopus oocytes. The macroscopic conductance (gj) of all Cx45...

Molecular dissection of transjunctional voltage dependence in the connexin-32 and connexin-43 junctions.

Revilla, A, Castro, C, Barrio, L C

Most gap junction channels are sensitive to the voltage difference between the two cellular interiors, termed the transjunctional voltage (V(j)). In several junctions, the conductance transitions...

Evaluation of Disk Diffusion Method for Determining Posaconazole Susceptibility of Filamentous Fungi: Comparison with CLSI Broth Microdilution Method

López-Oviedo, E., Aller, A. I., Martín, C., Castro, C., Ramirez, M., Pemán, J. M., ...

The disk diffusion method was evaluated for determining posaconazole susceptibility against 78 strains of molds using two culture media in comparison with the CLSI (Clinical Laboratory Standards...

Immunoglobulins and other serological parameters in Chagas' disease: evidence for increased IgA levels in the chronic digestive form.

Sá Ferreira, J A, Galvão-Castro, B, Macedo, W, Castro, C

Immunoglobulin levels were measured in serum samples from 36 patients with different clinical forms of chronic Chagas' disease. Increased IgA levels were observed in 50% of the patients in the...

Relation between medial temporal atrophy and functional brain activity during memory processing in Alzheimer's disease: a combined MRI and SPECT study

Garrido, G, Furuie, S, Buchpiguel, C, Bottino, C, Almeida, O, Cid, C, ...

Objective: To investigate the relation between atrophy of the hippocampal region and brain functional patterns during episodic memory processing in Alzheimer's disease.

A countrywide programme of continuing professional development in Argentina

Lejarraga, H, Ageitos, M, Galli, A, Castro, C, Paediatrics, A. S., Education, S. O., ...

The Argentinean Society of Paediatrics introduced in 1993 a continuing professional development (CPD) programme to raise standards of clinical practice. The aims of the project were to introduce a...

Determinants of leisure time physical activity in rural compared with urban older and ethnically diverse women in the United States

Wilcox, S., Castro, C., King, A., Housemann, R., Brownson, R.

STUDY OBJECTIVE—Determinants of leisure time physical activity (LTPA) in rural middle aged and older women of diverse racial and ethnic groups are not well understood. This study examined: (1)...