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Article
Open AccessDesign and validation of cyanobacteria-rhizobacteria consortia for tomato seedlings growth promotion
The use of rhizobacteria provide great benefits in terms of nitrogen supply, suppression of plant diseases, or production of vitamins and phytohormones that stimulate the plant growth. At the same time, cyanob...
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Article
Open AccessApplication of sonicated extracts of cyanobacteria and microalgae for the mitigation of bacterial canker in tomato seedlings
Microalgae and cyanobacteria could play an important role in crop protection, since they produce bioactive substances that promote plant growth and/or trigger the plant resistance mechanisms. The present study...
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Article
Open AccessAssessing cross-species transmission of hemoplasmas at the wild-domestic felid interface in Chile using genetic and landscape variables analysis
The co-occurrence of domestic cats (Felis silvestris catus) and wild felids in rural landscapes can facilitate pathogen transmission. However, in the relatively-isolated regions of southern South America there ha...
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Article
Density functional study of low-lying isomers of SiO4, GeO4 and CO4, and their relation to tetrahedral solid phases
In silica (SiO2) and in most silicates, atomic associations exist with composition SiO4 and a structure with four O atoms in tetrahedral coordination around the Si atom. A similar feature is observed in germania ...
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Article
Modeling of the functionalization of single-wall carbon nanotubes towards its solubilization in an aqueous medium
A theoretical study of the functionalization of some single-walled carbon nanotubes (SWCNT) is presented using density functional theory. The pristine SWCNT consists of a finite, open (5, 5) nanotube with all...
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Article
Characteristics of Streptococcus bovis endocarditis and its differences with Streptococcus viridans endocarditis
The purpose of this study was to evaluate the characteristics of infective endocarditis (IE) caused by S. bovis and compare them to those caused by streptococci of the viridans group (SVG). A prospective study wa...
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Article
Adsorption of hydrogen on normal and pentaheptite single wall carbon nanotubes
Density functional calculations of the physisorption of molecular hydrogen and the dissociative atomic chemisorption on the external surface of hexagonal and pentaheptite carbon nanotubes, have been carried ou...
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Article
Clinical characteristics and significance of Streptococcus salivarius bacteremia and Streptococcus bovis bacteremia: a prospective 16-year study
The aim of this study was to determine the clinical significance of Streptococcus salivarius isolates recovered from blood cultures and compare them with isolates of Streptococcus bovis biotypes I and II. Sevente...
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Article
Accuracy of blood culture for early diagnosis of mediastinitis in febrile patients after cardiac surgery
Postsurgical mediastinitis (PSM) remains a major cause of morbidity and mortality in patients undergoing cardiac surgery procedures. Although prompt diagnosis is crucial in these patients, neither clinical dat...
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Article
Isolation of microorganisms for biological detoxification of lignocellulosic hydrolysates
Acid pretreatment of lignocellulosic biomass releases furan and phenolic compounds, which are toxic to microorganisms used for subsequent fermentation. In this study, we isolated new microorganisms for depleti...
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Article
Growth Ability and Stability Indices of Clusters
Electronegativity and hardness are well known electronic concepts that help to interpret the electronic rearrangements of atoms in molecules. Parallel atomic concepts can be established that help to understand...
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Article
Physiology of exopolysaccharide production by Azotobacter vinelandii from 4-hydroxybenzoic acid
The relationship between exopolysaccharide (EPS) production by Azotobacter vinelandii ATCC 12837 from 4-hydroxybenzoic acid as sole carbon source and other physiological parameters was investigated. In relation t...
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Chapter and Conference Paper
Survival of Phytopathogen Viruses During Semipilot-Scale Composting
Underplastic protected cultures of horticultural plants constitute nowadays the primary income for the people in Almeria (southeast of Spain). This intensive agriculture yields annually a large amount of plant...
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Chapter and Conference Paper
Composting of Different Horticultural Wastes: Effect of Fungal Inoculation
A study was undertaken to evaluate the composting process with two different horticultural waste substrates: (1) a mixture of pepper, cucumber and bean plants and (2) pepper plants, and the effect of inoculati...
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Article
Assembling of hydrogenated aluminum clusters
The electronic and atomic structure of Al13H has been studied using Density Functional Theory. Al13H has closed electronic shells. This makes the cluster very stable and suggests that it could be a candidate to f...
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Article
Influence of nutritional and environmental factors on polysaccharide production by Azotobacter vinelandii cultured on 4-hydroxybenzoic acid
The capacity of 4-hydroxybenzoic acid to support exopolysaccharide (EPS) biosynthesis was investigated. Carbon source concentration, nitrogen supplementation, and other nutritional and environmental factors we...
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Article
Intestinal permeability in adult patients with growth hormone deficiency
Pathological disruption of the intestinal mucosa increases the paracellular pathway, leading to an increase in the penetration of large molecules. Since growth hormone (GH) has a trophic intestinal effect, we ...
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Article
Simulating the thermal stability and phase changes of small carbon clusters and fullerenes
The thermal stability, phases and phase changes of small carbon clusters and fullerenes are investigated by constant energy Molecular Dynamics simulations performed over a wide range of temperatures, i.e., from ...
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Article
Use of agricultural wastes for xanthan production by Xanthomonas campestris
Four different acid-hydrolyzed wastes, from melon, watermelon, cucumber and tomato were compared for xanthan production. Growth of Xanthomonas campestris, xanthan biosynthesis, kinetics and chemical composition w...
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Chapter
Theoretical Study of the Collective Electronic Excitations of the Endohedral Clusters Na N @C780
The low energy part of the photoabsorption spectrum of the two layer fullerene C780 and the endohedrals Na20@C780 and Na25@C780 has been calculated using time-dependent density functional theory. The main feature...
