Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| evolution of caries and fluorosis in schoolchildren of the canary islands (spain): 1991, 1998, 2006. | the aim of this work is to assess the evolution of caries and fluorosis prevalence and indices at 7 and 12 years of age in the canary islands through three cross epidemiological studies conducted in 1991, 1998 and 2006. the three studies followed a similar methodology, using the who diagnosis criteria and indications, except for the assessment of fluorosis, which was measured with the "thylstrup and fejerskov" index. the examining dentists were trained and calibrated in an area with high endemic ... | 2008 | 18758407 |
| main pigmentary features and melanocortin 1 receptor (mc1r) gene polymorphisms in the population of the canary islands. | sun exposure, light skin pigmentation, and melanocortin 1 receptor (mc1r) gene variants are independent risk factors for skin cancer. the canary islands have a sunny and temperate climate, but data regarding the phenotypic and genotypic risk factors among the population are lacking. | 2008 | 18717860 |
| cytokine il-1 beta but not il-1 alpha promoter polymorphism is associated with alzheimer disease in a population from the canary islands, spain. | previous studies have reported the presence of low-grade inflammation in alzheimer disease (ad). based on these data, our work attempts to investigate the effects of some promoter polymorphisms of pro-inflammatory cytokines [interleukin (il)-1 alpha and il-1 beta] on ad. | 2008 | 18717723 |
| use of a synthetic gnrh analog to induce reproductive activity in canaries (serinus canaria). | in this study, we evaluated the effects of a transcutaneously administered gonadotropin-releasing hormone analog (lecirelin) on the reproductive activity of the canary (serinus canaria). two groups of 20 pairs of canaries were treated with increasing concentrations of lecirelin delivered in a cream vehicle; one group was exposed to a natural photoperiod, and the other group received additional photostimulation. two groups of 10 pairs of canaries served as controls; one group was exposed to an ar ... | 2008 | 18689073 |
| response properties of the auditory telencephalon in songbirds change with recent experience and season. | the caudomedial nidopallium (ncm) is a telencephalic auditory area that is selectively activated by conspecific vocalizations in zebra finches and canaries. we recently demonstrated that temporal and spectral dynamics of auditory tuning in ncm differ between these species [1]. in order to determine whether these differences reflect recent experience, we exposed separate groups of each species and sex to different housing conditions. adult birds were housed either in an aviary with conspecifics ( ... | 2008 | 18682724 |
| pathogenic staphylococci and staphylococcal infections in canaries. | staphylococcus aureus was isolated from six cases of bacterial infection in canaries, staphylococcus hyicus from three and staphylococcus intermedius from one case. staphylococcus aureus was most often involved in outbreaks of septicaemia, with or without 'megabacterium' proventriculitis. the other coccal species were mainly complicating disease caused by atoxoplasma (lankesterella), chlamydia psittaci and canary pox. | 1994 | 18671080 |
| papillomavirus-like infections in canaries (serinus canarius). | a papillomavirus-like infection in canaries (serinus canarius) is described. papillomatous epithelial proliferations were observed at the commissure of the beak and on the head. histologically, stratified squamous epithelium covered with a hyperkeratotic layer and intranuclear inclusions were observed. electron microscopically, intranuclear aggregates of papilloma-like virus particles were demonstrated. | 1993 | 18671063 |
| total dietary intake of mercury in the canary islands, spain. | estimating the risk associated with dietary intake of heavy metals by consumers is a vital and integral part of regulatory processes. the assessment of exposure to mercury shown in this paper has been performed by means of a study on the whole diet. total mercury (hg) levels were determined by cold vapour atomic absorption spectrometry (aas) in 420 samples of regularly consumed food and drink. the total hg concentrations measured in the different groups of food ranged from non-detectable to 119 ... | 2008 | 18629690 |
| avian olfactory receptor gene repertoires: evidence for a well-developed sense of smell in birds? | among vertebrates, the sense of smell is mediated by olfactory receptors (ors) expressed in sensory neurons within the olfactory epithelium. comparative genomic studies suggest that the olfactory acuity of mammalian species correlates positively with both the total number and the proportion of functional or genes encoded in their genomes. in contrast to mammals, avian olfaction is poorly understood, with birds widely regarded as relying primarily on visual and auditory inputs. here, we show that ... | 2008 | 18628122 |
| killing the canary: the international epidemiology of the homicide of media workers. | to describe the international epidemiology of the homicide of media workers, and investigate country-level risk factors. | 2008 | 18621952 |
| suitability of pines and other conifers as hosts for the invasive mediterranean pine engraver (coleoptera: scolytidae) in north america. | the invasive mediterranean pine engraver, orthotomicus erosus (wollaston) (coleoptera: scolytidae), was detected in north america in 2004, and it is currently distributed in the southern central valley of california. it originates from the mediterranean region, the middle east, and asia, and it reproduces on pines (pinus spp.). to identify potentially vulnerable native and adventive hosts in north america, no-choice host range tests were conducted in the laboratory on 22 conifer species. the bee ... | 2008 | 18613584 |
| diuretic activity of smilax canariensis, an endemic canary island species. | smilax canariensis is an endemic species of the canary islands, popularly known as "zarzaparrilla sin espinas". this species has wide use in folk-medicine practice on the islands, especially as diuretic. so the aim of our study is to evaluate the diuretic activity of an aqueous and a methanol extract of this species. | 2008 | 18602777 |
| photoperiodic induced changes in reproductive state of border canaries (serinus canaria) are associated with marked variation in hypothalamic gonadotropin-releasing hormone immunoreactivity and the volume of song control regions. | in temperate zone songbirds, such as canaries (serinus canaria), seasonal variation in gonadal activity and behavior are associated with marked brain changes. these include gonadotropin-releasing hormone (gnrh) expression and the volume of brain areas controlling song production. questions have been raised about the consistency of seasonal brain changes in canaries. laboratory studies of the american singer strain raised doubts as to whether this strain exhibits a robust photoperiodic response a ... | 2008 | 18597755 |
| [the development of primary care related to regional governmental policies]. | to developed an evaluation of primary care (pc) from the analysis of the new differences in pc among the autonomous communities nowadays. | 2008 | 18588797 |
| ethanol production from afex-treated forages and agricultural residues. | lignocellulosic materials derived from forages, namely timothy grass, alfalfa, reed canary grass, and agricultural residues, such as corn stalks and barley straw, were pretreated using ammonia fiber explosion (afex) process. the pretreated materials were directly saccharified by cellulolytic enzymes. sixty to 80% of theoretical yield of sugars were obtained from the pretreated biomasses. subsequent ethanolic fermentation of the hydrolysates by pachysolen tannophilus atcc 32691 resulted in 40-60% ... | 1998 | 18576012 |
| seasonality in song behaviour revisited: seasonal and annual variants and invariants in the song of the domesticated canary (serinus canaria). | the song of the domesticated canary (serinus canaria) is one of the most widely used models to study the neural correlates of behavioural plasticity and the mechanisms of female mate choice. however, only few studies have described the song behaviour in detail and monitored their changes throughout the year, and these data are restricted to the "waterslager" strain. here, we studied the song characteristics of the male common domesticated canary at different times of the year, the spring breedin ... | 2008 | 18571653 |
| [hospital management of pancreatic cancer in spain and assessment of factors associated with in-hospital mortality]. | pancreatic cancer is becoming an increasingly important health problem in spain. this study aimed to analyze the hospital management of this process and the factors associated with mortality by using an administrative data base. | 2008 | 18570807 |
| systemic listeriosis in caged canaries (serinus canarius). | the occurrence of listeriosis in 12 caged canaries is described where 50% of the birds, including the female and all of the offspring, died within 2 weeks without clinical signs. at necropsy, multifocal necrotizing and partly granulomatous hepatitis, splenitis, myocarditis, interstitial nephritis, and exudative pericarditis with intra-lesional listeria monocytogenes were the predominant findings as shown by histopathology and immunohistochemistry. microbiology, serology and polymerase chain reac ... | 2008 | 18568661 |
| quantification of polyphenols with potential antioxidant properties in wines using reverse phase hplc. | a rp-hplc method with photodiode array detection (dad) was developed to separate, identify and quantify simultaneously the most representative phenolic compounds present in madeira and canary islands wines. the optimized chromatographic method was carefully validated in terms of linearity, precision, accuracy and sensitivity. a high repeatability and a good stability of phenolics retention times (< 3%) were obtained, as well as relative peak area. also high recoveries were achieved, over 80.3%. ... | 2008 | 18563759 |
| [antibiotic use in the pediatric population: factors to consider]. | the aim of this retrospective study was to analyze the use of antibiotics in pediatrics in the canary islands during the period 2001-2005. we used the defined daily dose (ddd) as a technical unit of measurement as well as the ddd/1000 habitants/day (dhd), following the atc classification system. the demographic data were obtained from individual patient health cards assigned to the primary care pediatricians. during the period 2001-2005, the total number of prescriptions for antibiotics in pedia ... | 2007 | 18563214 |
| phylogeny of the celastreae (celastraceae) and the relationships of catha edulis (qat) inferred from morphological characters and nuclear and plastid genes. | the phylogeny of celastraceae tribe celastreae, which includes about 350 species of trees and shrubs in 15 genera, was inferred in a simultaneous analysis of morphological characters together with nuclear (its and 26s rdna) and plastid (matk, trnl-f) genes. a strong correlation was found between the geography of the species sampled and their inferred relationships. species of maytenus and gymnosporia from different regions were resolved as polyphyletic groups. maytenus was resolved in three line ... | 2008 | 18550389 |
| first outbreak of trypanosoma evansi in camels in metropolitan france. | the first outbreak of trypanosomosis caused by trypanosoma evansi in camels in france was reported on a farm in the aveyron department. five camels were imported from the canary islands to the farm in early july 2006, and trypanosomes were observed on a stained blood smear from one of them, which died in october. on further investigations, trypanosomes were observed in the blood of five camels, three of them indigenous to the farm and two that had been imported. on the basis of microscopical exa ... | 2008 | 18540034 |
| serum resistin and polymorphisms of androgen receptor gagn and ggnn and aromatase tttan. | there is evidence that androgens are regulators of insulin resistance (ir), and may be involved in the regulation of resistin, a cytokine that has been related with ir. earlier studies found that androgen receptor length polymorphisms cagn and ggnn and the aromatase polymorphism tttan may influence receptor or enzyme activity and serum concentrations of androgens. this study was designed to determine whether polymorphism length was related to serum resistin concentration and to other variables r ... | 2008 | 18535544 |
| hyponastic leaf growth decreases the photoprotective demand, prevents damage to photosystem ii and delays leaf senescence in salvia broussonetii plants. | the influence of leaf angle on the response of plants to high light was studied in salvia broussonetii, a species endemic of the canary islands that shows hyponastic leaf growth. the response of vertical, naturally oriented leaves was compared with that of horizontal, artificially held leaves for 1, 13, 24 and 29 days in terms of photoinhibition [efficiency of photosystem ii (psii)], photoprotection (by the xanthophyll cycle, alpha-tocopherol and beta-carotene) and progression of leaf senescence ... | 2008 | 18533002 |
| frequent, phylogenetically local horizontal transfer of the cox1 group i intron in flowering plant mitochondria. | horizontal gene transfer is surprisingly common among plant mitochondrial genomes. the first well-established case involves a homing group i intron in the mitochondrial cox1 gene shown to have been frequently acquired via horizontal transfer in angiosperms. here, we report extensive additional sampling of angiosperms, including 85 newly sequenced introns from 30 families. analysis of all available data leads us to conclude that, among the 640 angiosperms (from 212 families) whose cox1 intron sta ... | 2008 | 18524785 |
| wdr1 presence in the songbird basilar papilla. | wd40 repeat 1 protein (wdr1) was first reported in the acoustically injured chicken inner ear, and bioinformatics revealed that wdr1 has numerous wd40 repeats, important for protein-protein interactions. it has significant homology to actin interacting protein 1 (aip1) in several lower species such as yeast, roundworm, fruitfly and frog. several studies have shown that aip1 binds cofilin/actin depolymerizing factor, and that these interactions are pivotal for actin disassembly via actin filament ... | 2008 | 18514449 |
| [ethnography of death in the canary islands at the start of the 20th century]. | 2001 | 18506945 | |
| hplc-ms analysis and anti-oedematogenic activity of hypericum grandifolium choisy (hypericaceae). | a study has been carried out on the chemical composition and in vivo anti-oedematogenic activity of several extracts from hypericum grandifolium choisy (hypericaceae) collected in tenerife (canary islands). the hplc-ms analysis (hplc-esi/ms and hplc-ft/ms) revealed the presence of hyperforin, flavonoids and probably benzophenone derivatives, while naphthodianthrones were absent. pharmacological results revealed that the methanol extracts and the aqueous, butanol and chloroform fractions obtained ... | 2008 | 18484525 |
| atoxoplasma spp. in a hybrid passerine (serinus canarius xcarduelis cannabina). | a hybrid passerine (serinus canarius xcarduelis cannabina) in poor bodily condition was presented for consultation but died during clinical examination. examination of the faeces revealed the presence of oocysts that were assigned to those of isospora serini species. the sexual stages of the parasite were found in the intestinal tract. also, merozoites of an atoxoplasma (syn. lankesterella)-like parasite were detected in mononuclear cells in cardiac blood. these findings indicate a coccidiosis p ... | 1998 | 18484023 |
| quill mite (dermoglyphus passerinus) infestation of canaries (serinus canaria): diagnosis and treatment. | quill mite (dermoglyphus passerinus) infestation of canaries (serinus canaria): diagnosis and treatment. quill mites are described in many species of birds. most reports state that the infestation is difficult or impossible to treat. in this case report the diagnosis, identification and successful treatment of the quill mite in canaries is described. | 1997 | 18483901 |
| [prevalence of obesity and overweight in adolescents from canary islands, spain. relationship with breakfast and physical activity]. | to estimate the prevalence of obesity and overweight in canary adolescents, evaluating its association with breakfast intake and physical activity. | 2008 | 18482526 |
| the key role of the sea urchin diadema aff. antillarum in controlling macroalgae assemblages throughout the canary islands (eastern subtropical atlantic): an spatio-temporal approach. | diadema aff. antillarum performs a key role in organizing and structuring rocky macroalgae assemblages in the canary islands. densities of d. aff. antillarum higher than 2 individuals m(-2) are found to drastically reduce non-crustose macroalgal cover to below 30% and wave exposure appears as a major factor determining sea urchin density, which decreases with exposure level. substrates containing >20% sand limit urchin to under 1 individual m(-2) but high relief rocky habitats show higher densit ... | 2008 | 18479745 |
| timing and tempo of early and successive adaptive radiations in macaronesia. | the flora of macaronesia, which encompasses five atlantic archipelagos (azores, canaries, madeira, cape verde, and salvage), is exceptionally rich and diverse. spectacular radiation of numerous endemic plant groups has made the macaronesian islands an outstanding area for studies of evolution and speciation. despite intensive investigation in the last 15 years, absolute age and rate of diversification are poorly known for the flora of macaronesia. here we report molecular divergence estimates an ... | 2008 | 18478126 |
| [dialysis and transplant. spain in 2005]. | in 2005, renal replace treatment (dialysis and transplant) was necessary for about 40,000 people, without being known the number accurate and either their basic characteristics, such as: time in treatment, modality or treatment changes. the presented data cover the 76% of the spanish population and are the result of the cooperation among technicians of registries, nephrologists and transplant coordinations. 4,125 people started rrt in 2005, the total estimated acceptance rate for renal replaceme ... | 2008 | 18454704 |
| expression of reelin, its receptors and its intracellular signaling protein, disabled1 in the canary brain: relationships with the song control system. | songbirds produce learned vocalizations that are controlled by a specialized network of neural structures, the song control system. several nuclei in this song control system demonstrate a marked degree of adult seasonal plasticity. nucleus volume varies seasonally based on changes in cell size or spacing, and in the case of nucleus hvc and area x on the incorporation of new neurons. reelin, a large glycoprotein defective in reeler mice, is assumed to determine the final location of migrating ne ... | 2008 | 18448255 |
| cheetahs of the deep sea: deep foraging sprints in short-finned pilot whales off tenerife (canary islands). | 1. empirical testing of optimal foraging models for breath-hold divers has been difficult. here we report data from sound and movement recording dtags placed on 23 short-finned pilot whales off tenerife to study the foraging strategies used to catch deep-water prey. 2. day and night foraging dives had a maximum depth and duration of 1018 m and 21 min. vocal behaviour during dives was consistent with biosonar-based foraging, with long series of echolocation clicks interspersed with buzzes. simila ... | 2008 | 18444999 |
| metallic species in atmospheric particulate matter in las palmas de gran canaria. | in this work, we quantified the total, water-soluble and insoluble fractions of 12 metallic species (na, ca, k, mg, fe, zn, cr, ni, cu, cd, pb and mn) present in total suspended particulates (tsp) in an urban area with heavy traffic (about 80 000 vehicles/day) of las palmas de gran canaria (canary islands). experimental measurements were made from july to december 2003 on a total of 42 samples (7 per month). particulate matter (tsp) was collected in fiber filters and high volume samplers. pm10 l ... | 2008 | 18440133 |
| occurrence and genotype characterization of giardia duodenalis in goat kids from the canary islands, spain. | giardia duodenalis (syn. giardia lamblia, giardia intestinalis) is a wide-spread intestinal protozoa of both humans and animals. although giardiosis in goat is commonly asymptomatic, young kids may bear an enteric disease associated with persistent diarrhoea and delayed weight gain. in the present study we have analysed the occurrence of giardia in 315 young goat kids (2-6 months old) from gran canaria island (spain) through visualization of faecal cysts. the identification of genotypes of g. du ... | 2008 | 18436382 |
| [hemoglobinopathies diagnosed at the university hospital ntra. sra. de candelaria and its area of reference in santa cruz de tenerife during one year]. | to describe number and type of hemoglobinopathies diagnosed in our area of reference during one year as well as the origin of these patients, to have a first contact with this pathology not characterized in our province until now. | 2008 | 18432361 |
| diuretic activity of some withania aristata ait. fractions. | we previously reported on the significant dose-dependent diuretic effects produced in laboratory rats by hot water infusions and methanol extracts of withania aristata ait., where notable increases were observed in the excretion of water and sodium, with an interesting potassium-saving effect. the present study gives the results of the diuretic effects in rats of the hexane, dichloromethane, ethyl acetate, butanol and methanol-water fractions of the previously studied methanol extract. water exc ... | 2008 | 18420363 |
| [characteristics and prognosis of patients with very long stay in an intensive care unit]. | to describe the characteristics and prognostic factors of elderly patients hospitalized for > or = 30 days in an intensive care unit (icu). | 2008 | 18413119 |
| [development of nephrectomy during the nineteenth century and its introduction into spain]. | after first nephrectomy lumbar made by dr. simon in 1869, the surgical technique was established and the procedure access was followed by several surgeons with initial controversy between the use of the intra or extraperitoneal access. we carried out a review about the evolution of this surgical procedure among xix century and of those who were pioneers with this kind of technique in our country. | 2008 | 18409465 |
| [molecular characterization of heterozygous beta-thalassemia in lanzarote, spain]. | the aim of this study was to determine the molecular defects of heterozygous beta thalassaemia and to ascertain their distribution in lanzarote. | 2008 | 18405499 |
| interleukin-10 promoter polymorphisms in patients with systemic lupus erythematosus from the canary islands. | the purpose of this study was to examine whether several allelic variants in the polymorphic interleukin (il)-10 promoter region were related with an increased risk of developing systemic lupus erythematosus (sle) in spanish patients from canary islands. microsatellites (ms) at positions -4000 and -1200 (il10r and il10g, respectively) and single nucleotide polymorphisms (snps) (ms) at positions -1082g/a, -819c/t and -592c/a of the il-10 promoter were analysed in patients with sle and healthy con ... | 2008 | 18397303 |
| comparative experimental haemonchus contortus infection of two sheep breeds native to the canary islands. | this study compares the susceptibility to haemonchus contortus infection in two breeds of sheep endemic to the canary islands, the canaria hair breed sheep and the canaria sheep. sheep were experimentally infected with 20,000 larvae of h. contortus and animals killed on days 7 and 28 post-infection. no difference between sheep breeds were detected in immature worm counts at days 7 or 28 post-infection. however, in comparison to the canaria sheep breed, the canaria hair breed sheep showed lower m ... | 2008 | 18394807 |
| costs of home assistance for peritoneal dialysis: results of a european survey. | assisted peritoneal dialysis (apd) was 'invented' in france in 1977 and was immediately very well reimbursed. this has since helped to maintain a high french peritoneal dialysis (pd) penetration rate among elderly dependent patients who might enjoy a better quality of life by remaining in their own environment. the aim of this study was to investigate the present status of apd funding in european countries through a questionnaire sent in 2006 to health authorities and commercial pd providers ask ... | 2008 | 18379552 |
| heliotherapy improves vitamin d balance and atopic dermatitis. | vitamin d insufficiency during winter is common in the nordic countries. heliotherapy (ht) may heal atopic dermatitis (ad) but its effect on vitamin d balance has not been examined. | 2008 | 18363748 |
| a three-dimensional mri atlas of the zebra finch brain in stereotaxic coordinates. | the neurobiology of birdsong, as a model for human speech, is a fast growing area of research in the neurosciences and involves electrophysiological, histological and more recently magnetic resonance imaging (mri) approaches. many of these studies require the identification and localization of different brain areas (nuclei) involved in the sensory and motor control of song. until now, the only published atlases of songbird brains consisted in drawings based on histological slices of the canary a ... | 2008 | 18358743 |
| evaluation of the fermentation dynamics of soluble crude protein from three protein sources in continuous culture fermenters. | eight dual-flow continuous culture fermenters (1.03 +/- 0.05 l) were used to assess differences in microbial degradation of the soluble cp fraction of canola meal (cmscp), soybean meal (sbmscp), and fish meal (fmscp) using a completely randomized design with two 9-d experimental periods and a solution of tryptone as a control treatment (control). all fermenters received the same basal diet (58% ground corn, 40% canary grass hay, 0.4% vitamin-mineral premix, 1% caco(3), 0.6% salt on a dm basis) i ... | 2008 | 18344304 |
| doublecortin as a marker of adult neuroplasticity in the canary song control nucleus hvc. | it is established that in songbirds the size of several brain song control nuclei varies seasonally, based on changes in cell size, dendritic branching and, in nucleus hvc, the incorporation of newborn neurons. in the developing and adult mammalian brain, the protein doublecortin (dcx) is expressed in postmitotic neurons and, as a part of the microtubule machinery, required for neuronal migration. we recently showed that in adult canaries, dcx-immunoreactive (ir) cells are present throughout the ... | 2008 | 18333960 |
| non-controlled biogenic emissions to the atmosphere from lazareto landfill, tenerife, canary islands. | [corrected] historically, landfills have been the simplest form of eliminating urban solid waste with the minimum cost. they have been the most usual method for discarding solid waste. however, landfills are considered authentic biochemical reactors that introduce large amounts of contaminants into the environment in the form of gas and leachates. the dynamics of generation and the movement of gas in landfills depend on the input and output parameters, as well as on the structure of the landfill ... | 2008 | 18306888 |
| micelle-mediated extractions using nonionic surfactant mixtures and hplc-uv to determine endocrine-disrupting phenols in seawaters. | an environmentally friendly method to extract endocrine-disrupting phenols (edps) from seawaters was realized using nonionic surfactant mixtures and micelle-mediated extractions. the preconcentration step was achieved directly in the seawater matrix, and was followed by high-performance liquid chromatography (hplc) with ultraviolet (uv) detection without any clean-up steps to remove the surfactant mixture prior to injection. various nonionic surfactant mixtures were used, and polyoxyethylene-10- ... | 2008 | 18297469 |
| radiation, multiple dispersal and parallelism in the skinks, chalcides and sphenops (squamata: scincidae), with comments on scincus and scincopus and the age of the sahara desert. | phylogenetic analysis using up to 1325 base pairs of mitochondrial dna from 179 specimens and 30 species of chalcides, sphenops, eumeces, scincopus and scincus indicates that sphenops arose twice independently within chalcides. it is consequently synonymized with that genus. chalcides in this broader sense originated in morocco, diversifying into four main clades about 10 ma, after which some of its lineages dispersed widely to cover an area 40 times as large. two separate lineages invaded the c ... | 2008 | 18276164 |
| the canary in the coal mine of coronary artery disease. | 2008 | 18268164 | |
| whole atmospheric-turbulence profiling with generalized scidar. | statistical analysis of stellar scintillation on the pupil of a telescope, known as the scidar (scintillation, detection, and ranging) technique, is sensitive only to atmospheric turbulence at altitudes higher than a few kilometers. with the generalized scidar technique, recently proposed and tested under laboratory conditions, one can overcome this limitation by analyzing the scintillation on a plane away from the pupil. we report the first experimental implementation of this technique, to our ... | 1997 | 18264318 |
| high quality biofuel pellet production from pre-compacted low density raw materials. | in this study, pre-compaction was evaluated as a method to enhance stable reed canary grass pellet production. an experimental design of the factors raw material moisture content, steam addition, raw material bulk density, and die temperature was used to find production conditions for high quality pellets by multiple linear regression modelling of responses. response variables being modelled were variability of pelletizer current (as a measurement of uneven production), pellet bulk density, and ... | 2008 | 18261898 |
| geographical variations in the benefit of applying a prioritization system for cataract surgery in different regions of spain. | in spain, there are substantial variations in the utilization of health resources among regions. because the need for surgery differs in patients with appropriate surgical indication, introducing a prioritization system might be beneficial. our objective was to assess geographical variations in the impact of applying a prioritization system in patients on the waiting list for cataract surgery in different regions of spain by using a discrete-event simulation model. | 2008 | 18248668 |
| state children's health insurance: the canary in the coal mine? | 2008 | 18247003 | |
| under the volcano: phylogeography and evolution of the cave-dwelling palmorchestia hypogaea (amphipoda, crustacea) at la palma (canary islands). | the amphipod crustacean palmorchestia hypogaea occurs only in la palma (canary islands) and is one of the few terrestrial amphipods in the world that have adapted to a strictly troglobitic life in volcanic cave habitats. a surface-dwelling closely related species (palmorchestia epigaea) lives in the humid laurel forest on the same island. previous studies have suggested that an ancestral littoral orchestia species colonized the humid forests of la palma and that subsequent drought episodes in th ... | 2008 | 18234125 |
| organochlorine residues in the blubber and liver of bottlenose dolphins (tursiops truncatus) stranded in the canary islands, north atlantic ocean. | polychlorinated biphenyls (pcbs) and chlorinated pesticides: dichlorodiphenyltrichloroethane and its metabolites (ddts), chlordanes (chls), dieldrin, and hexaclorobenzene (hcb) were detected in the blubber and liver of 11 bottlenose dolphins (tursiops truncatus) from the canary islands (north atlantic ocean). samples were obtained from stranded dolphins over the period 1997-2005. among the organochlorines analyzed, pcbs and ddts were predominant in the two tissues, followed in decreasing order b ... | 2008 | 18214918 |
| the ionic liquid 1-hexadecyl-3-methylimidazolium bromide as novel extracting system for polycyclic aromatic hydrocarbons contained in sediments using focused microwave-assisted extraction. | a method to extract pahs from sediments is carried out using aqueous solutions containing aggregates of the ionic liquid (il) 1-hexadecyl-3-methylimidazolium bromide (hdmim-br) as the extracting medium. focused microwave-assisted extraction has been used to accelerate the extraction step, followed by hplc with fluorescence detection without clean-up steps to remove the il prior to injection. the method has been applied to certified reference sediment bcr-535 and marine sediments from tenerife (c ... | 2008 | 18206899 |
| postmenopausal canarian women receiving oral glucocorticoids have an increased prevalence of vertebral fractures and low values of bone mineral density measured by quantitative computer tomography and dual x-ray absorptiometry, without significant changes in parathyroid hormone. | daily doses higher than 7.5 mg/daily of prednisone or equivalents confer a great risk of vertebral and hip fractures with a clear dose dependence of fracture risk. information regarding the utility in assessing trabecular bone mineral density by quantitative computer tomography (qct) in these patients, either in the canaries or in spain, is lacking. moreover, in this setting, the importance of secondary hyperparathyroidism is still controversial. design, patients and methods: cross-sectional obs ... | 2008 | 18206602 |
| validation of the geographic position of eper-spain industries. | the european pollutant emission register in spain (eper-spain) is a public inventory of pollutant industries created by decision of the european union. the location of these industries is geocoded and the first published data correspond to 2001. publication of these data will allow for quantification of the effect of proximity to one or more such plant on cancer and all-cause mortality observed in nearby towns. however, as errors have been detected in the geocoding of many of the pollutant foci ... | 2008 | 18190678 |
| usefulness of manufactured tomato extracts in the diagnosis of tomato sensitization: comparison with the prick-prick method. | abstract: | 2008 | 18184431 |
| recent volcanism and mitochondrial dna structuring in the lizard gallotia atlantica from the island of lanzarote. | the phylogeography of the lacertid lizard gallotia atlantica from the small volcanic island of lanzarote (canary islands) was analysed based on 1075 bp of mitochondrial dna (mtdna) sequence (partial cytochrome b and nd2) for 157 individuals from 27 sites (including three sites from neighbouring islets). levels of sequence divergence were generally low, with the most distant haplotypes separated by only 14 mutational steps. mtdna divergence appears to coincide with formation of the middle pleisto ... | 2008 | 18179441 |
| testosterone-induced matrix metalloproteinase activation is a checkpoint for neuronal addition to the adult songbird brain. | testosterone-induced neuronal addition to the adult songbird vocal control center, hvc, requires the androgenic induction of vascular endothelial growth factor (vegf), followed by vegf-stimulated angiogenesis. the expanded vasculature acts as a source of bdnf, which supports the immigration of new neurons from the overlying ventricular zone. in tumorigenesis, a similar process of adult angiogenesis is regulated by matrix metalloproteinase (mmp) activity, in particular that of the gelatinases. we ... | 2008 | 18171938 |
| content of toxic heavy metals (mercury, lead, and cadmium) in canned variegated scallops (chlamys varia). | the concentrations of three toxic heavy metals, mercury (hg), lead (pb), and cadmium (cd), were determined in preserved variegated scallops (chlamys varia, bivalvia, mollusca), which are often consumed in tenerife (canary islands, spain). a total of 300 samples of seven commercial brands (a, b, d, h, j, l, and m) and one processed product ("scallop sauce") were analyzed. samples were collected weekly in a major shopping area in santa cruz de tenerife during a 12-month period. the concentrations ... | 2007 | 18095454 |
| lymphoplasmacytic myenteric, subepicardial, and pulmonary ganglioneuritis in four nonpsittacine birds. | a disease condition with clinical and pathologic findings compatible with psittacine proventricular dilatation disease was diagnosed in a canary (serinus canaria), a greenfinch (carduelis chloris), a long-wattled umbrellabird (cephalopterus penduliger), and a bearded barbet (lybius dubius). the canary and the greenfinch were kept as pets by different owners, whereas the bearded barbet and the long-wattled umbrellabird were kept in separate mixed species enclosures at the barcelona zoo. clinical ... | 2007 | 18087938 |
| a simple clinical score for type 2 diabetes mellitus screening in the canary islands. | to develop a straightforward risk score for type 2 diabetes (dm2) screening to use in clinical practice. | 2008 | 18082285 |
| microbial communities and immigration in volcanic environments of canary islands (spain). | volcanic eruptions originated the canary islands (spain), and today, different landscapes clearly show that active volcanism. the microbial communities present in these volcanic environments, both at high (above 70 degrees c) and moderate (25-35 degrees c) temperatures, were analyzed. rock samples were processed using molecular techniques based on both dna and rna and complemented with the culture of microorganisms at a wide range of temperatures. microorganisms detected through rna-based molecu ... | 2008 | 18071667 |
| description and culture of a new succulenticolous didymium (myxomycetes). | a new succulenticolous myxomycete species, didymium wildpretii, found on decaying remains of various species of cacti, is described from two arid zones of the world. this species was collected from central mexico, at the southern limit of the chihuahuan desert, and from the canary islands (spain). the new species has small, pale yellow sporocarps, 0.1-0.7 mm high, that are sessile or have short, orange-yellow, calcareous stalks and small, uniformly warted spores. the stability of the taxonomic c ... | 2007 | 18065011 |
| the caulerpa racemosa invasion: a critical review. | caulerpa racemosa var. cylindracea is a marine chlorophyta introduced into the mediterranean sea from south-western australia. since 1990, it has been invading the mediterranean sea and the canary islands, raising ecological problems. although this invasion event can be considered as one of the most serious in the history of species introduced into the mediterranean sea, c. racemosa has not triggered as much attention as the famous "killer alga"caulerpa taxifolia. the aim of the present study wa ... | 2008 | 18061625 |
| green matters! growing vegetation stimulates breeding under short-day conditions in wild canaries (serinus canaria). | 2007 | 18057330 | |
| monitoring concentrations of persistent organic pollutants in the general population: the international experience. | assessing the adverse effects on human health of persistent organic pollutants (pops) and the impact of policies aiming to reduce human exposure to pops warrants monitoring body concentrations of pops in representative samples of subjects. while numerous ad hoc studies are being conducted to understand pops effects, only a few countries are conducting nationwide surveillance programs of human concentrations of pops, and even less countries do so in representative samples of the general populatio ... | 2008 | 18054079 |
| hypersensitivity pneumonitis as a cause of airway-centered interstitial fibrosis. | airway-centered interstitial fibrosis (acif) has been postulated to be related to environmental exposures. | 2007 | 18051218 |
| epidemiology of hip fracture in the elderly in spain. | to describe the incidence and epidemiological characteristics of hip fracture (hf) in patients aged 65 years or over in the various autonomous regions (ar) of spain from the year 2000 to 2002 and to determine which factors affect in-hospital mortality. | 2008 | 18037366 |
| sensitization to tomato peel and pulp extracts in the mediterranean coast of spain: prevalence and co-sensitization with aeroallergens. | tomatoes (lycopersicon esculentum) are consumed world-wide. the prevalence of sensitization to tomatoes remains unknown. | 2008 | 18005185 |
| prevalence of the metabolic syndrome among schizophrenic patients hospitalized in the canary islands. | schizophrenic patients have a higher standardized mortality rate than that expected for the rest of the population. the prevalence of the metabolic syndrome is high among them, this increase coronary risk twofold to fourfold. this study aims to find out the prevalence of the metabolic syndrome among patients with schizophrenia and schizoaffective disorder who have been admitted to an acute psychiatric ward and the sociodemographic, evolutive and psychopharmaceutical variables related to it. we a ... | 2007 | 18004674 |
| population structure of the banana weevil, an introduced pest in the canary islands, studied by rapd analysis. | the banana weevil (bw), cosmopolites sordidus (coleoptera: curculionidae), is one of the most important insect pests of bananas and plantains. the mobility and the origin of bw infestations at the canary islands (tenerife, la gomera and la palma) have been analysed using random amplified polymorphic dna (rapd) as molecular markers. populations from costa rica, colombia, uganda and madeira were also included for comparison. one hundred and fifteen reproducible bands from eight primers were obtain ... | 2007 | 17997871 |
| rapid method for total carotenoid detection in canary yellow-fleshed watermelon. | yellow-fleshed watermelons (citrullus lanatus[thunb.] matsum. and nakai) contain many different carotenoids, all in low to trace amounts. since there is not 1 predominant carotenoid in yellow-fleshed watermelon, testing the total carotenoid content among watermelon lines is important in determining the antioxidant potential and thus potential health benefits of different varieties. unfortunately, current methods to assay total carotenoid content are time consuming and require organic solvents. t ... | 2007 | 17995749 |
| the diversity of phytoseiid mite communities in the maghreb comparisons with the fauna of one of the canary islands. | phytoseiid mite diversity was surveyed on wild and cultivated plants in morocco and tunisia from 1994 to 2003. results were associated with those obtained in previous surveys conducted by other authors in algeria and in one of the canary islands (gran canaria). they showed, 21 species are known from tunisia (1 was known before), 53 from algeria, 41 from morocco (15 were known before) and 23 from the canary island. eight were known from all these islands before the data published in 2003 concerni ... | 2007 | 17985575 |
| rhabdomyolysis and myoglobinuric nephrosis (capture myopathy) in a striped dolphin. | this report describes delayed myoglobinuric capture myopathy in a striped dolphin (stenella coeruleoalba) found stranded alive on the coast of fuerteventura (canary islands, spain). the animal was transported to gran canaria where it died 48 hr after stranding. the main lesions consisted of acute rhabdomyolysis affecting both cardiac and skeletal muscles, and myoglobinuric nephrosis. using immunohistochemistry, degenerate myofibers with depletion of myoglobin, and an intracytoplasmatic immunorea ... | 2007 | 17984278 |
| mycobacterium marinum infection complicating crohn's disease, treated with infliximab. | tumour necrosis factor-alpha inhibitors including infliximab are often used to treat a number of recalcitrant medical conditions. these agents are increasingly associated with infections, particularly mycobacterial infections. we report sporotrichoid spread of mycobacterium marinum in a 37-year-old woman with crohn's disease, who had been receiving infliximab infusions for 2 years. an infection had spread up the right leg, after she had been swimming on holiday in the canary islands. m. marinum ... | 2008 | 17983451 |
| detection of four adenovirus serotypes within water-isolated strains of acanthamoeba in the canary islands, spain. | we surveyed 236 potentially pathogenic acanthamoeba strains, isolated from water sources in the canary islands, for the presence of human adenoviruses (hadv) using a polymerase chain reaction (pcr)-based typing assay. a total of 34 of these strains were found to be positive for adenovirus belonging to four different hadv serotypes (hadv-1, 2, 8, and 37). we found that hadv-2 was the most frequently encountered serotype amongst the acanthamoeba strains, and their identification was confirmed by a ... | 2007 | 17978083 |
| active camouflage with lichens in a terrestrial snail, napaeus (n.) barquini alonso and ibáñez, 2006 (gastropoda, pulmonata, enidae). | napaeus barquini alonso and ibáñez, 2006, from la gomera, canary islands, lives most commonly on open rock faces covered with crustose lichens. in living specimens, the surface of the shell is covered with a lichen layer that is arranged in the form of protuberances, thereby considerably altering the appearance of the shell. some of these protuberances may even extend beyond the tip of the shell. the way that these lichens are positioned on the shell and the manner in which they adhere were inve ... | 2007 | 17960990 |
| [macrolide-resistant streptococcus pneumoniae on the islands of gran canaria and lanzarote (spain): molecular mechanisms and serogroup relationships]. | macrolide resistance in streptococcus pneumoniae is coded by the ermb and mefa/e genes. the aim of this study was to determine the status of macrolide-resistance, the molecular mechanisms involved, the serogroup relationships, and the level of co-resistance in s. pneumoniae isolates from gran canaria and lanzarote, in the canary islands, spain. | 2007 | 17953897 |
| butyrylcholinesterase, apoe and alzheimer's disease in a population from the canary islands (spain). | cholinergic dysfunction is a major neurochemical feature in alzheimer's disease (ad), accountable for many cognitive dysfunctions and some psychiatric symptoms. butyrylcholinesterase (bche) is one of the cholinesterases with increased activity in the brain of alzheimer's patients. several mutations code for different bche, such as the k variant, which is the most common and is capable of reducing bche activity by 30%. we studied the relationship between this k variant and alzheimer's disease in ... | 2007 | 17923322 |
| does testosterone mediate the trade-off between nestling begging and growth in the canary (serinus canaria)? | nestling birds solicit food from their parents with vigorous begging displays, involving posturing, jostling and calling. in some species, such as canaries, begging is especially costly because it causes a trade off against nestling growth. fitness costs of begging like this are predicted by evolutionary theory because they function to resolve conflicts of interest within the family over the provision of parental investment. however, the mechanism that links these costs with nestling behaviour r ... | 2007 | 17915222 |
| population history of berthelot's pipit: colonization, gene flow and morphological divergence in macaronesia. | the fauna of oceanic islands provide exceptional models with which to examine patterns of dispersal, isolation and diversification, from incipient speciation to species level radiations. here, we investigate recent differentiation and microevolutionary change in berthelot's pipit (anthus berthelotii), an endemic bird species inhabiting three atlantic archipelagos. mitochondrial dna sequence data and microsatellite markers were used to deduce probable colonization pathway, genetic differentiation ... | 2007 | 17908210 |
| molecular and quantitative trait variation across the native range of the invasive species hypericum canariense: evidence for ancient patterns of colonization via pre-adaptation? | to understand the success of invasive species, it is important to know whether colonization events are facilitated by adaptive evolution or are limited to sites where a species is pre-adapted to thrive. studies of the ancient colonization patterns of an invader in its native range provide an opportunity to examine its natural history of adaptation and colonization. this study uses molecular (internal transcribed spacer sequence and amplified fragment length polymorphism) and common garden approa ... | 2007 | 17850270 |
| a woman and her canary: a tale of chlamydiae and lymphomas. | 2007 | 17848672 | |
| association of the microsatellite in the 3' untranslated region of the cd154 gene with rheumatoid arthritis in females from a spanish cohort: a case-control study. | cd40-cd154 interaction is an important mediator of inflammation and has been implicated in t helper type 1-mediated autoimmune diseases including rheumatoid arthritis (ra). linkage studies have shown association of markers in the proximity of the cd154 gene. in the present work we investigated whether specific allele variants of the microsatellite in the 3' utr of the cd154 gene might modulate the risk of ra. the study, in a case-control setting, included 189 patients and 150 healthy controls fr ... | 2007 | 17845713 |
| roller canary song produced without learning from external sources. | 1935 | 17818769 | |
| origins. | the farthest of the galaxies that can be seen through the large ground-based telescopes of modern astronomy, such as those on la palma in the canary islands, are so far away that they appear as they did close to the time of the origin of the universe, perhaps some 10 billion years ago. much has been learned, and much has still to be learned, about the young universe from optical and radio telescopes, but these instruments cannot be used to look directly at the universe in its first few hundred t ... | 1985 | 17817144 |
| evolutionary phenomena in galaxies. j. e. beckman and b. e. j. pagel, eds. cambridge university press, new york, 1989. viii, 468 pp., illus. $69.50. based on an institute, tenerife, canary islands. | 1990 | 17787636 | |
| ratite eggshells from lanzarote, canary islands. | struthious and aepyornithoid eggshells from tertiary calcareous sediments on lanzarote prove the presence, until about 12 million years ago, of large flightless birds. the calcarenite horizon is recognized as an old land surface. mesozoic sedimentary rocks in the basement of the volcanic islands of lanzarote and neighboring fuerteventura indicate that at least part of the canary archipelago is underlain by continental crust. separation of the eastern canaries from africa raight have been by rift ... | 1972 | 17784417 |
| a mid-brunhes climatic event: long-term changes in global atmosphere and ocean circulation. | a long-term climatic change 4.0 x 10(5) to 3.0 x 10(5) years ago is recorded in deep-sea sediments of the angola and canary basins in the eastern atlantic ocean. in the angola basin (southern hemisphere) the climatic signal shows a transition to more humid ("interglacial") conditions in equatorial africa, and in the canary basin (northern hemisphere) to more "glacial" oceanic conditions. this trend is confirmed by comparison with all well-documented marine and continental records from various la ... | 1986 | 17781412 |
| a well-rounded worm: roundworm as canary? | 1991 | 17751971 | |
| marine lava cave fauna: composition, biogeography, and origins. | an assemblage of endemic cavernicolous marine invertebrates, including taxa found on both sides of the atlantic ocean of great phylogenetic age or with affinities to deep sea organisms, inhabits the jameos del agua cave, a sea waterflooded holocene lava tube cave on lanzarote in the canary islands. this marine cave contains both relicts from tethyan times, such as an apparently new crustacean family belonging to what had been the monotypic class remipedia, and relicts of groups that are now comm ... | 1984 | 17749560 |
| canary birds and malaria. | 1929 | 17745135 |