bluuebunny/crossref_metadata_2025_split huggingface dataset:
Global solutions to vortex density equations arising from sup-conductivity
Authors: Masmoudi Nader , Zhang Ping 
Published: April 2005

In the first part of this paper, we establish the existence of a global renormalized solution to a family of vortex density equations arising from superconductivity. And we show by an explicit example the necessity of the notion of renormalized solution to be used here. In the second part, we prove the global existence and uniqueness of

W^{1,p}

and

C^{\alpha }

solutions to a modified model, which is derived from the physically sign-changing vortices case.

Résumé

On montre l'existence de solutions globales pour une famille d'équations provenant de la super-conductivité. On montre par un exemple que la notion de solutions renormalizées est nécessaire ici. Dans la seconde partie de ce papier, on montre l'existence et l'unicité de solutions

W^{1,p}

et

C^{\alpha }

pour un modèle qui décrit des vortex qui changent de signes.
Three nodal solutions of singularly perturbed elliptic equations on domains without topology
Authors: Bartsch Thomas , Weth Tobias 
Published: April 2005

We prove the existence of three nodal solutions of the Dirichlet problem for the singularly perturbed equation

−ɛ\mathrm{\Delta }u + u = f(u)

for

ɛ > 0

small on any bounded domain

\Omega \subset \mathbb{R}^{N}

. The nonlinearity

f

grows superlinearly and subcritically. We do not require symmetry conditions nor conditions on the geometry or the topology of the domain. Two solutions have precisely two nodal domains, and the third solution has at most three nodal domains. A corresponding result holds true for the semilinear equation

−\mathrm{\Delta }u + u = f(u)

on

Ω

provided

Ω

contains a large ball.

Résumé

Nous prouvons l'existence de trois solutions nodales du problème de Dirichlet pour l'équation

−ɛ\mathrm{\Delta }u + u = f(u)

avec

ɛ > 0

petit dans tous les domaines bornés

\Omega \subset \mathbb{R}^{N}

. La nonlinéarité

f

est sur-linéaire et sous-critique. Nous n'avons pas besoin de conditions de symétrie ni de conditions géométriques ou de conditions liées à la topologie du domaine. Deux solutions admettent exactement deux domaines nodeaux et la troisiems admet au plus trois domaines nodeaux. Un résultat correspondant est valide pour l'équation semi-linéaire

−\mathrm{\Delta }u + u = f(u)

dans le cas où

Ω

contient une grande boule.
Multi-bump type nodal solutions having a prescribed number of nodal domains: II
Authors: Liu Zhaoli , Wang Zhi-Qiang 
Published: April 2005

This paper is a sequel to [Liu and Wang, preprint] in which we studied nodal property of multi-bump type sign-changing solutions constructed by Coti Zelati and Rabinowitz [Comm. Pure Appl. Math. 45 (1992) 1217]. In this paper we remove a technical condition that the nonlinearity is odd, which was used in [Comm. Pure Appl. Math. 45 (1992) 1217; Liu and Wang, Multi-bump type nodal solutions having a prescribed number of nodal domains: I, Ann. I. H. Poincaré – AN 22 (2005) 597–608] for constructing multi-bump type nodal solutions having a prescribed number of nodal domains.

Résumé
Cet article est la suite de [Liu and Wang, preprint] sur l'analyse de la propriété nodale des solutions des multi-bosses, construites par Coti Zelati et Rabinowitz dans [Comm. Pure Appl. Math. 45 (1992) 1217]. Nous supprimons la condition technique que le terme nonlinéaire impair comme elle est utilisée dans [Comm. Pure Appl. Math. 45 (1992) 1217; Liu and Wang, Multi-bump type nodal solutions having a prescribed number of nodal domains: I, Ann. I. H. Poincaré – AN 22 (2005) 597–608], pour construire des solutions nodales de multi-bosses ayant un nombre de domaines nodaux prescrits.
Nonoccurrence of the Lavrentiev phenomenon for nonconvex variational problems
Authors: Zaslavski Alexander J. 
Published: April 2005

In this paper we establish nonoccurrence of the Lavrentiev phenomenon for two classes of nonconvex variational problems. For the first class of integrands we show the existence of a minimizing sequence of Lipschitzian functions while for the second class we establish that an infimum on the full admissible class is equal to the infimum on a set of Lipschitzian functions with the same Lipschitzian constant.

Résumé
Dans cet article nous démontrons que le phénomène de Lavrentiev pour deux classes de problèmes variationnels non convexes ne peut avoir lieu. Nous montrons, pour la première classe d'intégrands, l'existence d'une suite minimisante de fonctions lipschtziennes, alors que pour la seconde classe, nous démontrons qu'un infimum sur toute la classe admissible est égale a l'infimum sur un ensemble de fonctions lipschtziennes, avec la même constante de Lipschtiz.
Existence and uniqueness of Lipschitz continuous graphs with prescribed Levi curvature
Authors: Da Lio Francesca , Montanari Annamaria 
Published: April 2005

In this paper we prove comparison principles between viscosity semicontinuous sub- and supersolutions of the generalized Dirichlet problem (in the sense of viscosity solutions) for the
Levi Monge–Ampère
equation. As a consequence of this result and of the Perron's method we get the existence of a continuous solution of the Dirichlet problem related to the prescribed Levi curvature equation under suitable assumptions on the boundary data and on the Levi curvature of the domain. We also show that such a solution is Lipschitz continuous by building Lipschitz continuous barriers and by applying a weak Bernstein method introduced by Barles in [Differential Integral Equations 4 (2) (1991) 241].

Résumé

Dans cet article, nous prouvons des principes de comparaison entre sous et sursolutions du problème de Dirichlet généralisé (dans le sens des solutions de viscosité) pour l'équation de
Levi Monge–Ampère
. Comme conséquence de ces résultats, nous obtenons l'existence d'une solution continue du problème de Dirichlet associé à l'équation de la courbure de Levi sous des hypothèses convenables sur les conditions au bord et sur l'ouvert. Nous prouvons que la solution est lipschitzienne par la méthode de Bernstein faible introduite par Barles dans [Differential Integral Equations 4 (2) (1991) 241].
Pulmonary vascular remodeling in pulmonary hypertension due to chronic heart failure
Authors: Delgado Juan F. , Conde Esther , Sánchez Violeta , López‐Ríos Fernando , Gómez‐Sánchez Miguel A. , Escribano Pilar , Sotelo Teresa , de la Cámara Agustín Gómez , Cortina José , de la Calzada Carlos S. 
Published: April 2005

AbstractPulmonary hypertension (PHT) associated with chronic heart failure (CHF) is a risk factor of right ventricular failure after heart transplantation (HT). Our aim was to study pulmonary vascular changes in patients with CHF and to assess any correlation with haemodynamic data.Methods:We studied 17 HT recipients with preoperative CHF who died shortly after HT. Preoperative haemodynamic information was obtained immediately before HT. Vascular lesions in muscular arteries were assessed by linear morphometry. Haemodynamic data were correlated with the morphologic changes.Results:Mean transpulmonary gradient (TPG) was 8.9±4.5 mm Hg and pulmonary vascular resistance (PVR) was 2.25±1.34 Wu. According to the threshold for at‐risk PHT (TPG>12 mm Hg or PVR>2.5 Wu), six patients had at‐risk PHT. Medial thickness was 23.82±7.23% in patients with at‐risk PHT and 17.16±3.24% in patients without at‐risk PHT (p=0.018).Conclusions:Medial hypertrophy of muscular pulmonary arteries is more common and severe than expected in patients with CHF, even in patients without at‐risk PHT. This structural change could explain why PHT, even in range of values not excluding HT, is a risk factor for right ventricular failure after HT and influences post‐HT haemodynamic behaviour.
Recovery of systolic and diastolic function after ablation of incessant supraventricular tachycardia
Authors: Salemi Vera Maria Cury , Arteaga Edmund , Mady Charles 
Published: April 2005

AbstractWe report a case of a 26‐year‐old woman who presented to our hospital with arrhythmia and heart failure. She had an incessant supraventricular tachycardia, which was not reversible with electrical cardioversion. Echocardiogram showed a severe LV systolic and diastolic dysfunction. After radiofrequency catheter ablation, LV function returned to normal. This article is intended to show a case with tachycardiomyopathy, which is considered the most frequently unrecognized curable cause of heart failure, and to demonstrate that early treatment allows the recovery to a normal LV systolic and diastolic function, preventing irreversible structural cardiac damage. It is very likely that some patients with idiopathic dilated cardiomyopathy and chronic atrial fibrillation or other chronic arrhythmia actually have a curable tachycardiomyopathy.
Exercise hyperventilation in chronic heart failure is not caused by systemic lactic acidosis
Authors: Wensel Roland , Francis Darrel P. , Georgiadou Panagiota , Scott Adam , Genth‐Zotz Sabine , Anker Stefan D. , Coats Andrew J.S. , Piepoli Massimo F. 
Published: April 2005

AbstractBackground:Patients with heart failure have an abnormally high ventilatory response to exercise associated with gas exchange defects and reduced arterial pCO2.Aims:We examined the possibility of lactic acidosis as the stimulus to this increased ventilation that abnormally depresses pCO2 during exercise in heart failure.Method and results:We studied 18 patients with chronic heart failure. We measured VE/VCO2 slope during exercise, arterial blood gases and lactate concentrations during cardiopulmonary exercise testing (rest, peak exercise and one minute after the end of exercise). Neither VE/VCO2 slope nor arterial pCO2 were related to arterial lactate concentrations at peak exercise (r=–0.16, p=0.65 and r=–0.15, p=0.6). During early recovery, patients with a high VE/VCO2 slope had a particularly pronounced rise in arterial lactate and hydrogen ion concentrations (r=0.57, p<0.05 and r=0.84, p<0.0001) and yet their arterial pCO2 rose rather than fell (r=0.79, p<0.001). The rise in arterial pCO2 correlated with the increase in arterial hydrogen concentration (r=0.78, p<0.001) and with arterial pCO2 at peak exercise (r=–0.76, p<0.001).Conclusions:In heart failure VE/VCO2 slope and low arterial pCO2 at peak exercise are not related to the degree of systemic lactic acidosis. Lactic acidosis is therefore not a plausible mechanism of exercise induced hyperventilation.
Zona pellucida thickness and clinical pregnancy outcome following in vitro fertilization
Authors: Sun Y.P. , Xu Y. , Cao T. , Su Y.C. , Guo Y.H. 
Published: April 2005

AbstractObjectiveTo investigate possible correlations of ZPT or ZPTV with clinical outcome following in vitro fertilization.MethodsTwo hundred forty‐six embryos were selected for transfer on day 3 with clear image record from 81 IVF–ET cycles. The laser system measurement software was used to measure the ZTP value of each embryo and the ZPTV was computed. Statistical analysis was done using the ANOVA or Chi‐square test.ResultsBoth ZPT and ZPTV declined with women's age. The mean ZPTV of embryos from patients between 30 and 34 years old was significantly higher than that from patients older than 35 (P < 0.001). The ZPTV in pregnancy group was significantly higher than that in nonpregnancy group(P < 0.005). The clinical pregnancy rate in the group with ZPTV more than 20% was significantly higher than that in the group with ZPTV less than 20% (P < 0.05). The ZPTV of high grade embryos was significantly higher than that of low grade embryos (P < 0.001).ConclusionsZPTV rather than ZPT is an effective parameter to evaluate the embryo quality. Increasing the ZPTV may enhance embryo implantation potential.
The effects of Δ9‐tetrahydrocannabinol in rat mesenteric vasculature, and its interactions with the endocannabinoid anandamide
Authors: O'Sullivan Saoirse E , Kendall David A , Randall Michael D 
Published: April 2005

Δ9‐tetrahydrocannabinol (THC) produces varying effects in mesenteric arteries: vasorelaxation (third‐order branches, G3), modest vasorelaxation (G2), no effect (G1) and vasoconstriction (the superior mesenteric artery, G0).
In G3, vasorelaxation to THC was inhibited by pertussis toxin, but was unaffected by the CB1 receptor antagonist, AM251 (1 μM), incubation with the TRPV1 receptor agonist capsaicin (10 μM, 1 h), the TRPV1 receptor antagonist capsazepine (10 μM) or de‐endothelialisation.
In G3, vasorelaxation to THC was inhibited by high K+ buffer, and by the following K+ channel inhibitors: charybdotoxin (100 nM), apamin (500 nM) and barium chloride (30 μM), but not by 4‐aminopyridine, glibenclamide or tertiapin.
In G3, THC (10 and 100 μM) inhibited the contractile response to Ca2+ in a Ca2+‐free, high potassium buffer, indicating that THC blocks Ca2+ influx.
In G0, the vasoconstrictor responses to THC were inhibited by de‐endothelialisation and SR141716A (100 nM), but not by the endothelin (ETA) receptor antagonist FR139317 (1 μM).
THC (1 and 10 μM) antagonised vasorelaxation to anandamide in G3 but not G0. THC did not antagonise the noncannabinoid verapamil, capsaicin or the CB1 receptor agonist CP55,940. THC (10 and 100 μM) inhibited endothelium‐derived relaxing factor (EDHF)‐mediated responses to carbachol in a manner similar to the gap junction inhibitor 18α‐glycyrrhetinic acid.
These data show that THC causes vasorelaxation through activation of K+ channels and inhibition of Ca2+ channels, and this involves non‐CB1, non‐TRPV1 but G‐protein‐coupled receptors. In G0, THC does not cause relaxation and at high concentrations causes contractions. Importantly, THC antagonises the effects of anandamide, possibly through inhibition of EDHF activity.

British Journal of Pharmacology (2005) 145, 514–526. doi:10.1038/sj.bjp.0706218
Characterization of microsatellite loci in the diploid legume Medicago truncatula (barrel medic)
Authors: Baquerizo‐Audiot E. , Desplanque B. , Prosperi J. M. , Santoni S. 
Published: April 2005

AbstractWe report the development of nine microsatellite markers in the diploid legume Medicago truncatula. Five markers were obtained from microsatellite‐enriched genome libraries and four from sequences available in GenBank. Polymorphism was explored with plants from a natural population and cross‐amplification was tested in other Medicago and three other legume genera.
The development of microsatellite loci in the song sparrow, Melospiza melodia (Aves) and genotyping errors associated with good quality DNA
Authors: Jeffery K. J. , Keller L. F. , Arcese P. , Bruford M. W. 
Published: April 2005

AbstractWe describe the isolation, development and application of six microsatellite loci in the song sparrow, Melospiza melodia, their amplification in related species and problems encountered in genotyping from high quality DNA. Heterozygosity in an island song sparrow population was high (> 70%) for five out of six loci. Small scale cross‐species amplification showed up to three alleles per locus for other Emberizidae. Relatively high levels of allelic dropout were observed with two loci when using standard template DNA. These problems could be partially alleviated by diluting template DNA, and could always be eliminated by repeated genotyping.
Development of microsatellite markers for Primula sieboldii using degenerate oligonucleotide‐primed PCR‐amplified DNA
Authors: Isagi Y. , Honjo M. , Washitani I. 
Published: April 2005

AbstractSeven polymorphic microsatellite loci were developed for Primula sieboldii using degenerate oligonucleotide‐primed (DOP) polymerase chain reaction (PCR)‐amplified DNA. The number of alleles per locus varied between two and seven and the expected heterozygosities ranged from 0.23 to 0.81. Frequent occurrence of identical microsatellite found in positive clones suggested biased amplification of genomic DNA by DOP–PCR.
Microsatellite DNA markers for the Sri Lankan rainforest tree species, Shorea cordifolia (Dipterocarpaceae), and cross‐species amplification in S. megistophylla
Authors: Stacy E. A. , Dayanandan S. , Dancik B. P. , Khasa P. D. 
Published: April 2005

AbstractWe developed microsatellite primer pairs for the tropical tree species, Shorea cordifolia, of genus Shorea section Doona, an endemic and dominant group of Sri Lanka's rainforests. From an (AG)n‐enriched library, 30 positive clones were screened, yielding 21 unique microsatellite loci. We used oligonucleotide primer pairs designed for 13 loci to screen genomic DNA from 90 adults. For seven polymorphic loci, the number of alleles and gene diversity per locus ranged from 4 to 18 and 0.36 to 0.90, respectively. Because all seven loci amplified easily in a close relative, S. megistophylla, we expect that these primers will be transferable to other Doona species.
Identification and properties of microsatellite markers in tsetse flies Glossina morsitans sensu lato (Diptera: Glossinidae)
Authors: Baker M. D. , Krafsur E. S. 
Published: April 2005

AbstractGenomic libraries enriched for simple sequence repeats were constructed for Glossina morsitans morsitans, G. m. submorsitans, and G. m. centralis. Sixteen microsatellite markers were isolated from the libraries and evaluated on flies from natural G. m. morsitans populations and other Glossina species in the morsitans and palpalis species groups. The primers amplified appropriate sized DNA fragments in the morsitans and palpalis groups. In G. morsitans s.l., eight of 12 dinucleotide repeats and four of 12 trinucleotide repeats were polymorphic. The polymorphic loci showed a mean 7.5 ± 4.8 alleles per locus and their mean heterozygosity was 55.8 ± 7.7%.
Characterization of microsatellite loci in white pine weevil (Pissodes strobi)
Authors: Liewlaksaneeyanawin Cherdsak , Ritland Carol E. , Newton Craig H. , El‐Kassaby Yousry A. 
Published: April 2005

AbstractMicrosatellites are codominant and highly polymorphic genetic markers. They are widely used in studying parentage and reproductive success in many insect species. We developed six microsatellite markers in Pissodes storbi. The number of alleles per locus ranges from 5 to 16 alleles, with a mean number of 10. The high allelic diversity observed in this study showed that they could be useful in the study of parentage and reproductive success in P. strobi.
Reliable microsatellite genotyping of dolphin DNA from faeces
Authors: Parsons Kim M. 
Published: April 2005

AbstractNoninvasive samples have proved useful in genotyping studies of free‐ranging mammals. However, potential genotyping errors associated with such samples dictate the need for validation studies. This pilot study demonstrates the use of dolphin faeces in multilocus microsatellite genotyping studies. An empirical approach to calculating the rate of genotyping error was applied to data from matched pairs of blood or tissue and faecal samples from both captive and wild bottlenose dolphins. Microsatellite genotypes were assigned to dolphin faecal extracts with greater than 95% confidence by using a multiple tube approach, and at least two independent replicate genotypings.
Development of a CAPS (cleaved amplified polymorphics sequence) assay for sex identification of the emu (Dromaius novaehollandiae)
Authors: De Kloet Siwo R. 
Published: April 2005

AbstractPolymerase chain reaction (PCR) based procedures that have been used to identify the sex of most birds cannot be used in ratites. This paper describes the identification of a female (W‐chromosome) specific randomly amplified polymorphic (RAPD) 1.3 kb DNA fragment (ESEXW) in the emu (Dromaius novaehollandiae). Southern blot experiments and sequence analysis revealed that a related (96% similarity) sequence exists on the emu Z‐chromosome (ESEXZ). The sequences ofESEXWandESEXZhave been used for the development of a two‐primer CAPS (cleaved amplified polymorphic sequence) assay for reliable sex identification of the emu.
Molecular sexing eutherian mammals
Authors: Fernando Prithiviraj , Melnick Don J. 
Published: April 2005

AbstractMammals can be molecular sexed by polymerase chain reaction (PCR) amplification of Y chromosome fragments or coamplification of homologous fragments from both sex chromosomes, which are discriminated by size polymorphism or Y‐specific restriction digestion. Although coamplification of X and Y fragments is more reliable, size polymorphism in homologous fragments is uncommon and Y‐specific restriction site identification requires screening with a battery of enzymes or cloning. Here we describe a simple approach, using ‘double peaks’ in the chromatogram upon direct sequencing of PCR products from males, to identify Y‐specific restriction sites, and demonstrate its utility by application to a range of taxa.
Microsatellite primers for the African mole‐rat genus Cryptomys and cross‐species amplification within the family Bathyergidae
Authors: Burland T. M. , Bishop J. M. , O’Ryan C. , Faulkes C. G. 
Published: April 2005

AbstractWe report 11 microsatellite loci for the African mole‐rat genus Cryptomys (Rodentia: Bathyergidae), isolated from the Damaraland mole‐rat (Cryptomys damarensis) and the Common mole‐rat (C. hottentotus hottentotus). All loci are highly polymorphic in the source species, with between six and 13 alleles and observed heterozygosity ranging from 0.54 to 0.86. Two C. damarensis loci (DMR1 and 6) may be located on the X‐chromosome. Cross‐species amplification was investigated in 10 Bathyergid species, representative of the five genera. The majority of loci amplified polymorphic product in all Cryptomys species tested. Amplification was also widespread in the other genera, except in Heterocephalus.
Microsatellites for the net‐spinning caddisfly Plectrocnemia conspersa (Polycentropodidae)
Authors: Wilcock H. R. , Hildrew A. G. , Nichols R. A. , Bruford M. W. 
Published: April 2005

AbstractSix polymorphic microsatellites were developed for the caddisfly Plectrocnemia conspersa from two enriched partial genomic libraries. These represent the first microsatellites published for the order Trichoptera. We show that, whilst it is possible to develop a highly enriched library, isolation of polymorphic microsatellites is difficult for this species, as has been found in some other of invertebrate groups. The genotypes of 160 individuals were determined using these new loci. Observed heterozygosities ranged from 0.013 to 0.788. Despite their problematic isolation, polymorphic microsatellite loci show greater levels of variation than previously studied allozyme markers.
STIG1 Controls Exudate Secretion in the Pistil of Petunia and Tobacco
Authors: Verhoeven Tamara , Feron Richard , Wolters-Arts Mieke , Edqvist Johan , Gerats Tom , Derksen Jan , Mariani Celestina 
Published: April 2005

Abstract
The lipid-rich, sticky exudate covering the stigma of solanaceous species such as tobacco (Nicotiana tabacum) and petunia (Petunia hybrida) contains several proteins, of which only some have been characterized to date. Proteome analysis of the stigmatic exudate in both species revealed the presence of a cysteine-rich, slightly acidic 12-kD protein called stigma-specific protein 1 (STIG1). In both tobacco and petunia, Stig1 is highly expressed at the mRNA level in very young and developing flowers, whereas hardly any Stig1 transcript is detected in mature flowers. This expression pattern coincides with the differentiation of the secretory zone, forming the intercellular spaces into which the exudate is secreted. Using reverse genetics, we show that STIG1 is involved in the secretion and merging of exudate lipids in the intercellular spaces of the secretory zone and that plants lacking STIG1 show an accelerated deposition of exudate onto the stigmatic surface. This phenotype was observed both in a petunia knockout mutant and in tobacco transgenic plants. We therefore propose that STIG1 plays a role in the temporal regulation of the essential exudate secretion onto the stigma.