Publications

TitleAbstractYear
Filter
PMID(sorted ascending)
Filter
methods and participant characteristics of a randomized intervention to promote physical activity and healthy eating among brazilian high school students: the saude na boa project.a cross-cultural, randomized study was proposed to observe the effects of a school-based intervention designed to promote physical activity and healthy eating among high school students in 2 cities from different regions in brazil: recife and florianopolis. the objective of this article is to describe the methodology and subjects enrolled in the project.200919420392
effectiveness of a school-based intervention on physical activity for high school students in brazil: the saude na boa project.we evaluated the effectiveness of a school-based intervention on the promotion of physical activity among high school students in brazil: the saude na boa project.200919420393
audiological chronological findings in children with congenital anomalies of the central nervous system.to determine the frequency of hearing impairment in children with congenital anomalies of the central nervous system (cns) by using detailed audiological evaluation methods.200919477534
2-3h-benzoxazolinone (boa) induces loss of salt tolerance in salt-adapted plants.in order to test the stress hypothesis of allelopathy of reigosa et al. (1999, 2002), the combined action of a well-established allelochemical compound (2-3h-benzoxazolinone, boa) and a common abiotic stress (salt stress) were investigated in lettuce (lactuca sativa l.). in a previous study (baerson et al. 2005), we demonstrated that the primary effects of boa are related to the expression of genes involved in detoxification and stress responses, which might serve to simultaneously alleviate bio ...200919538396
matrilysin-1 mediates bronchiolization of alveoli, a potential premalignant change in lung cancer.matrilysin-1 (also called matrix metalloproteinase-7) is expressed in injured lung and in cancer but not in normal epithelia. bronchiolization of the alveoli (boa), a potential precursor of lung cancer, is a histologically distinct type of metaplasia that is composed of cells resembling airway epithelium in the alveolar compartment. we demonstrate that there is increased expression of matrilysin-1 in human lesions and boa in the cc10-human achaete-scute homolog-1 transgenic mouse model. forced e ...200919608871
did egg-laying boas break dollo's law? phylogenetic evidence for reversal to oviparity in sand boas (eryx: boidae).re-evolution of lost complex morphological characters has been proposed for several characters, including insect wings, limbs, eyes in snakes, and digits in lizards, among others. there has also been much interest in whether the transition from oviparity to viviparity is reversible, particularly in squamate reptiles where the transition to viviparity has occurred more times than in any other lineage. here, we present a phylogenetic analysis of boid snakes based on a concatenated multigene study ...201019659599
ticks on captive and free-living wild animals in northeastern brazil.from 2005 to 2009, 147 ticks found on 32 wild animals from or referred to two zoobotanical parks (parque zoobotânico arruda câmara and parque estadual dois irmãos) located in northeastern brazil were identified. ticks found on two veterinarians working in one of the parks (i.e., parque estadual dois irmãos), after return from forested areas within the park's territory, were also identified. the following tick-host associations were recorded: amblyomma fuscum neumann on boa constrictor l.; amblyo ...201019693679
seasonal dynamics of aedes aegypti (diptera: culicidae) in the northernmost state of brazil: a likely port-of-entry for dengue virus 4.roraima is the northernmost state of brazil, bordering both venezuela and guyana. appropriate climate and vector conditions for dengue transmission together with its proximity to countries where all four dengue serotypes circulate make this state, particularly the capital boa vista, strategically important for dengue surveillance in brazil. nonetheless, few studies have addressed the population dynamics of aedes aegypti in boa vista. in this study, we report temporal and spatial variations in ae ...200919722086
computed tomography of the lung of healthy snakes of the species python regius, boa constrictor, python reticulatus, morelia viridis, epicrates cenchria, and morelia spilota.thirty-nine healthy boid snakes representing six different species (python regius, boa constrictor, python reticulatus, morelia viridis, epicrates cenchria, and morelia spilota) were examined using computed tomography (ct) to characterize the normal appearance of the respiratory tissue. assessment was done subjectively and densitometry was performed using a defined protocol. the length of the right lung was calculated to be 11.1% of the body length, without a significant difference between speci ...201619788032
mitochondrial dna variation reveals recent evolutionary history of main boa constrictor clades.we sequenced a 1114-bp fragment of cytochrome b gene in six subspecies (115 samples) of boa constrictor and detected 67 haplotypes. our analyses revealed the presence of two distinct clades, one from central america (ca) including the neighboring part of south america west of the andes, and the other covering the rest of south america (sa). sequence divergence between ca and sa clades is about 5-7%, which roughly corresponds to a separation at the time of uplift of the colombian andes following ...200919799513
bleeding increases the risk of ischemic events in patients with peripheral arterial disease.patients with peripheral arterial disease are at high risk of ischemic events and therefore are treated with antithrombotics. in patients with coronary artery disease or cerebrovascular disease, bleeding is related to the subsequent occurrence of ischemic events. our objective was to assess whether this is also the case in patients with peripheral arterial disease.200919805650
comparative diabetogenic action of the hypophysis from various animals.of all the anterior hypophyses tested, those of the human produced the most marked diabetogenic action in the dog with its pancreatic tissue reduced to 4 gm., and in the hypophysectomized and pancreatectomized toad. the human hypophysis also produced diabetogenic action in the normal dog on daily doses of 1.26 mg. per kilo per day for 2 days. the hypophysectomized dog with its pancreas reduced to 4 gm. is very sensitive to the anterior hypophyseal diabetogenic action and is the best test animal ...194219871171
seasonal and vertical distribution of phyllophaga cuyabana (moser)(coleoptera: melolonthidae) in the soil profile.phyllophaga cuyabana (moser) temporal and vertical distribution patterns were evaluated in the soil profile, in order to subsidize methodology for population sampling, aiming at its management. in insect surveys carried out during three years, in boa esperança county, state of parana, brazil, phyllophaga cuyabana was univoltine, with little overlap of the larval stages. population peaked during december-february, but declined during the colder months, when larvae were in diapause. different deve ...200919943004
biological aspects of sharks caught off the coast of pernambuco, northeast brazil.one hundred seventeen specimens of sharks were caught along the coast of pernambuco state, northern brazil, between may 2004 and may 2007, among which 86 were blacknose sharks, carcharhinus acronotus, enabling a more detailed study of the species. blacknose sharks were caught in the 2 study areas along the boa viagem/piedade and paiva beaches, accounting for the highest relative abundance among the species caught (73.5% of total). potentially dangerous sharks, tiger and bull sharks, were also ca ...200919967190
[population mobility and production of american tegumentary leishmaniasis in the state of paraná, southern brazil].information on the role of population mobility in maintaining american tegumentary leishmaniasis in the state of paraná is scarce. population mobility was evaluated as a risk factor for this endemic disease in three mesoregions of paraná, using data built up at the state university of maringá, covering 1987 to 2004. a total of 1,933 cases were notified, mostly among migrants (54.4%). the municipalities with the greatest numbers of cases notified were maringá (358), doutor camargo (108) and terra ...200919967232
landscape risk factors for attacks of vampire bats on cattle in sao paulo, brazil.vampire-bat (desmodus rotundus) attacks on cattle are a major concern for cattle-raising area. blood loss and paralytic rabies due to bat bites can impose severe losses on the livestock. we took four municipalities inside the sao joao da boa vista veterinary district (sao paulo, brazil) as a study area and tested a set of landscape features for spatial correlation with distance to areas in which vampire-bat attacks on cattle were documented. bat- and cattle-related data from the sao paulo state ...201020004487
sugars profiles of different chestnut (castanea sativa mill.) and almond (prunus dulcis) cultivars by hplc-ri.sugar profiles of different almond and chestnut cultivars were obtained by high-performance liquid chromatography (hplc), by means of a refractive index (ri) detector. a solid-liquid extraction procedure was used in defatted and dried samples. the chromatographic separation was achieved using a eurospher 100-5 nh(2) column using an isocratic elution with acetonitrile/water (70:30, v/v) at a flow rate of 1.0 ml/min. all the compounds were separated in 16 min. the method was optimized and proved t ...201020033298
reduced photosynthetic activity is directly correlated with 2-(3h)-benzoxazolinone accumulation in lettuce leaves.2-(3h)-benzoxazolinone (boa) is a secondary plant metabolite previously found to inhibit plant growth and development. the phytotoxic activity of boa has been extensively demonstrated over the last years. however, the relation of boa phytotoxicity with boa accumulation in plant leaves has not been thoroughly investigated. in this work, boa phytotoxicity on photosynthesis (phipsii and pn) of lettuce (lactuca sativa l. cv. great lakes) was studied, and these results were correlated with boa quanti ...201020143137
[first synanthropic record of loxosceles laeta (nicolet, 1849) (araneae, sicariidae) in the municipality of rio de janeiro, state of rio de janeiro].loxosceles laeta is the species of brown spider of greatest medical importance. it causes accidents of great severity and presents synanthropic habits. in this paper, the first synanthropic record of loxosceles laeta in the municipality of rio de janeiro, rj, brazil, is presented. this came from occasional encounters and sampling of specimens between august 2005 and june 2009. the species was recorded in a building of the museu nacional/ufrj, located in the quinta da boa vista park, in the urban ...200920209362
hominins on flores, indonesia, by one million years ago.previous excavations at mata menge and boa lesa in the soa basin of flores, indonesia, recovered stone artefacts in association with fossilized remains of the large-bodied stegodon florensis florensis. zircon fission-track ages from these sites indicated that hominins had colonized the island by 0.88 +/- 0.07 million years (myr) ago. here we describe the contents, context and age of wolo sege, a recently discovered archaeological site in the soa basin that has in situ stone artefacts and that li ...201020237472
first report of the citrus hindu mite, schizotetranychus hindustanicus (hirst) (prostigmata: tetranychidae), in brazil.the citrus hindu mite, schizotetranychus hindustanicus (hirst), is reported for the first time in brazil and for the second time in south america. mite specimens were collected from citrus in the municipality of boa vista, state of roraima, northern brazil. symptoms associated with s.hindustanicus infestations on citrus are described. the importance of avoiding dissemination of this mite to the main citrus production areas in brazil is discussed.201020305912
[low-price glasses: divinolândia (sp) experience].in divinolândia (sp), the consortium of development of são joão da boa vista region policy (conderg), in partnership with state university of campinas (unicamp), has founded an eyeglass store to produce low cost glasses to distribute freely to their customers. the purpose is to analyze the evolution and working process of conderg eyeglass store in the last 13 years, since its foundation.201220464115
combined system of fluorescence diffuse optical tomography and microcomputed tomography for small animal imaging.we developed a dual-modality system that combines fluorescence diffuse optical tomography (fdot) and flat panel detector-based microcomputed tomography (micro-ct) to simultaneously reveal molecular and structural information in small animals. in fdot, a 748 nm diode laser was used as an excitation source, while a cooled charge coupled device camera was adopted to collect transmission fluorescence. in micro-ct, a flat panel detector based on amorphous silicon, with active area of 13 x 13 cm(2), a ...201020515159
suspected fatal chrysosporium anamorph of nannizziopsis vriesii (canv) dermatitis in an albino boa constrictor (constrictor constrictor). 201020536700
achaete-scute homologue-1 tapers neuroendocrine cell differentiation in lungs after exposure to naphthalene.the basic helix-loop-helix transcription factor achaete-scute homologue-1 (ash1) plays a critical role in regulating the neuroendocrine (ne) phenotype in normal and neoplastic lung. transgenic (tg) mice that constitutively express human ash1 (hash1) under control of the clara cell 10-kda protein (cc10) promoter in non-ne airway lining cells display progressive epithelial hyperplasia and bronchiolar metaplasia or bronchiolization of the alveoli (boa). however, little is known about the involvemen ...201020554700
material properties of the skin of the kenyan sand boa gongylophis colubrinus (squamata, boidae).on the basis of structural data, it has been previously assumed that the integument of snakes consists of a hard, robust, inflexible outer surface (oberhäutchen and beta-layer) and soft, flexible inner layers (alpha-layers). the aim of this study was to compare material properties of the outer and inner scale layers of the exuvium of gongylophis colubrinus, to relate the structure of the snake integument to its mechanical properties. the nanoindentation experiments have demonstrated that the out ...201020623229
reptiles with dermatological lesions: a retrospective study of 301 cases at two university veterinary teaching hospitals (1992-2008).this retrospective study reviews the medical records of 301 reptiles with dermatological lesions that were examined at the veterinary medical teaching hospital, university of california at davis (vmth-ucd) and the unité de dermatologie-parasitologie-mycologie, ecole nationale vétérinaire de nantes (udpm-envn) from 1 january 1992 to 1 july 2008. the most common reptile groups differed between the two hospitals, with lizards being the most common at the vmth-ucd and chelonians at the udpm-envn. at ...201020887405
evidence for viable, non-clonal but fatherless boa constrictors.parthenogenesis in vertebrates is considered an evolutionary novelty. in snakes, all of which exhibit genetic sex determination with zz : zw sex chromosomes, this rare form of asexual reproduction has failed to yield viable female ww offspring. only through complex experimental manipulations have ww females been produced, and only in fish and amphibians. through microsatellite dna fingerprinting, we provide the first evidence of facultative parthenogenesis in a boa constrictor, identifying multi ...201121047849
evidence-based surgery--evidence from survey and citation analysis in orthopaedic surgery.the results of a survey on evidence-based surgery (ebs) among members of the american academy of orthopedic surgeons (aaos) and the british orthopaedic association (boa) are presented. the study also analyzes the citations earned by articles with different levels of evidence (loe) to see if loe have any bearing on the importance attached to the articles by authors and contributors to the journals.201121073824
substrate diameter and compliance affect the gripping strategies and locomotor mode of climbing boa constrictors.arboreal habitats pose unique challenges for locomotion as a result of their narrow cylindrical surfaces and discontinuities between branches. decreased diameter of branches increases compliance, which can pose additional challenges, including effects on stability and energy damping. however, the combined effects of substrate diameter and compliance are poorly understood for any animal. we quantified performance, kinematics and substrate deformation while boa constrictors (boa constrictor) climb ...201021113006
the quality of life in patients after peripheral bypass surgery deteriorates at long-term follow-up.we aimed to study the long-term development of health-related quality of life (hr-qol) in patients with peripheral arterial disease after they underwent peripheral bypass surgery and to evaluate the influence of adverse vascular events that occurred during follow-up.201121146344
ticks infesting wildlife species in northeastern brazil with new host and locality records.from september 2008 to march 2010, 397 ticks (315 larvae, 33 nymphs, 23 females, and 26 males) were collected from captive and free-living wildlife species in northeastern brazil. six tick species were identified, including amblyomma auricularium (conil) on tamandua tetradactyla (l.), amblyomma dubitatum neumann on hydrochaeris hydrochaeris (l.), nectomys rattus (pelzen) and t. tetradactyla, amblyomma parvum aragão on t. tetradactyla, amblyomma rotundatum koch on boa constrictor l., chelonoidis ...201021175080
wieland's nude bathers: visual pleasure and the female gaze.in her essays on wieland, written around 1980, elizabeth boa went against contemporary fashion both by praising a neglected writer and by vindicating the role of pleasure in the reception of literature. she noted how wieland varies a literary topos – a man watching a woman bathing naked – by letting women watch men bathing naked. this topos most often occurs in the pastoral, a popular eighteenth-century genre. various examples are examined to show that they suggest equality rather than male domi ...201121186682
comparison of chemistry analytes between 2 portable, commercially available analyzers and a conventional laboratory analyzer in reptiles.advantages of handheld and small bench-top biochemical analyzers include requirements for smaller sample volume and practicality for use in the field or in practices, but little has been published on the performance of these instruments compared with standard reference methods in analysis of reptilian blood.201021198734
qualitative characterization of benzoxazinoid derivatives in whole grain rye and wheat by lc-ms metabolite profiling.benzoxazinoids are metabolites occurring in a restricted group of plant species including crops such as rye, wheat, and maize. focus on the analysis of benzoxazinoid metabolites has typically been due to their importance to plant biochemistry and physiology as highly bioactive molecules that plants use as alleochemicals to defend themselves against predators and infections. however, the potential dietary contribution of these compounds has not been addressed. this study conducted a detailed qual ...201121214244
lymphoblastic lymphoma and leukemic blood profile in a red-tail boa (boa constrictor constrictor) with concurrent inclusion body disease.an adult male wild-caught true red-tail boa (boa constrictor constrictor), imported from surinam, was presented for anorexia, extreme lethargy, and coelomic swelling in the cranial third of the body, in the anatomic location of the thymus. the snake died a few minutes after blood sampling via cardiocentesis. hematology revealed anemia and extreme leukocytosis (820 × 10(3)/ml) characterized by a predominance (95%) of lymphocytes. necropsy revealed enlargement of most of the visceral organs. histo ...201121217051
observational analysis of boa free-papers (2001): from presentation to publication and comparison with the american academy of orthopaedic surgeons (aaos).the objectives of this study were to: determine the presentation to publication conversion rate (ppcr) in peer-reviewed indexed journals of free papers and posters presented at 12-14th september 2001 british orthopaedic association (boa) annual meeting and to compare the publication rate with the american academy of orthopaedic surgeons (aaos) meeting in 2001.201121236427
early senescence induced by 2-3h-benzoxazolinone (boa) in arabidopsis thaliana.measurements of chlorophyll a fluorescence, nutrient and trace elements, total protein content and malonyldialdehyde in leaves of arabidopsis thaliana between 1 and 192 h after treatment with 0, 1 or 3 mm 2-3h-benzoxazolinone (boa), together with imaging of chlorophyll a fluorescence and of the distributions of hydrogen peroxide and superoxide anion, suggested that the primary phytotoxic action of boa is the induction of premature senescence, and that oxidative stress is a secondary effect that ...201121237530
a new species of caryospora léger, 1904 (apicomplexa: eimeriidae) from the endangered round island boa casarea dussumieri (schlegel) (serpentes: bolyeridae) of round island, mauritius: an endangered parasite?a new species of caryospora léger, 1904 (apicomplexa: eimeriidae), c. durelli n. sp., is described from the endangered round island boa casarea dussumieri (schlegel) (serpentes: bolyeridae) from round island, mauritius. six of 11 hosts were infected. oöcysts are spherical to subspherical, 19.2 × 18.2 (17.5-21 × 16-21) μm, n = 20, and have a shape index (mean length/mean width) of 1.05 (1.02-1.09). the bi-layered wall is composed of an outer layer of c.0.6 μm thick and an inner layer of c.0.4 μm ...201121279561
antioxidant potential of chestnut (castanea sativa l.) and almond (prunus dulcis l.) by-products.the antioxidant properties of almond green husks (cvs. duro italiano, ferraduel, ferranhês, ferrastar and orelha de mula), chestnut skins and chestnut leaves (cvs. aveleira, boa ventura, judia and longal) were evaluated through several chemical and biochemical assays in order to provide a novel strategy to stimulate the application of waste products as new suppliers of useful bioactive compounds, namely antioxidants. all the assayed by-products revealed good antioxidant properties, with very low ...201021339136
medical treatment after peripheral bypass surgery over the past decade.the dutch bypass and oral anticoagulants or aspirin (boa) study demonstrated that in patients with peripheral arterial disease after bypass surgery oral anticoagulants were more effective in preventing venous graft occlusions than aspirin, while aspirin was more effective in non-venous grafts. we evaluated if this finding was implemented in the clinical practice of former boa participants by reconstructing a 10-year overview of their applied various drug treatments including anti-hypertensive an ...201121349747
small unilamellar vesicles: a platform technology for molecular imaging of brain tumors.molecular imaging enables the non-invasive investigation of cellular and molecular processes. although there are challenges to overcome, the development of targeted contrast agents to increase the sensitivity of molecular imaging techniques is essential for their clinical translation. in this study, spontaneously forming, small unilamellar vesicles (sulvs) (30 nm diameter) were used as a platform to build a bimodal (i.e., optical and magnetic resonance imaging (mri)) targeted contrast agent for ...201121436507
brother of lux arrhythmo is a component of the arabidopsis circadian clock.brother of lux arrhythmo (boa) is a garp family transcription factor in arabidopsis thaliana and is regulated by circadian rhythms. transgenic lines that constitutively overexpress boa exhibit physiological and developmental changes, including delayed flowering time and increased vegetative growth under standard growing conditions. arabidopsis circadian clock protein circadian clock associated1 (cca1) binds to the evening element of the boa promoter and negatively regulates its expression. furth ...201121447790
novel hepatozoon in vertebrates from the southern united states.abstract novel hepatozoon spp. sequences collected from previously unrecognized vertebrate hosts in north america were compared with documented hepatozoon 18s rrna sequences in an effort to examine phylogenetic relationships between the different hepatozoon organisms found cycling in nature. an approximately 500 base pair fragment of 18s rdna common to hepatozoon spp. and some other apicomplexans was amplified and sequenced from the tissues or blood of 16 vertebrate host species from the souther ...201121506825
presence of porocephalus clavatus (arthropoda: porocephalidae) in peruvian boidae snakes.the pentastome species, porocephalus clavatus, has been found to infect the lungs of two species of snakes in the family boidae family (boa constrictor and epicrates cenchria). the individual of b. constrictor was collected in the amazonian rainforest of departamento loreto, peru. the e. cenchria was recovered from the pet trade in lima, peru's capital city. a total of 22 p. clavatus were collected and examined from these two snakes. this is the first report of p. clavatus in peru. the morpholog ...201121531511
evaluation of bacteriochlorophyll-reconstituted low-density lipoprotein nanoparticles for photodynamic therapy efficacy in vivo.aim: to evaluate the novel nanoparticle reconstituted bacteriochlorin e6 bisoleate low-density lipoprotein (r-bchl-boa-ldl) for its efficacy as a photodynamic therapy agent delivery system in xenografts of human hepatoblastoma g2 (hepg2) tumors. materials & methods: bchl-boa was encapsulated in the nanoparticle low-density lipoprotein (ldl), a native particle whose receptor's overexpression is a cancer signature for a number of neoplasms. evaluation of r-bchl-boa-ldl as a potential photosensitiz ...201121542686
use of an osteoconductive compound as an aid in the management of a maxillary fracture in a boa constrictor.a boa constrictor was presented with a short oblique compound fracture of the rostral third of the right maxilla. the fracture was reduced and biomaterial was placed around the fracture. a computed tomography scan at 1.5 mo post-surgery showed that the fracture had healed with slight displacement of the bone fragments.201121629425
perch size and structure have species-dependent effects on the arboreal locomotion of rat snakes and boa constrictors.arboreal habitats create diverse challenges for animal locomotion, but the numerical and phylogenetic diversity of snakes that climb trees suggest that their overall body plan is well suited for this task. snakes have considerable diversity of axial anatomy, but the functional consequences of this diversity for arboreal locomotion are poorly understood because of the lack of comparative data. we simulated diverse arboreal surfaces to test whether environmental structure had different effects on ...201121653813
flexible and conservative features of social systems in tufted capuchin monkeys: comparing the socioecology of sapajus libidinosus and sapajus nigritus.socioecological models assume that primates adapt their social behavior to ecological conditions, and predict that food availability and distribution, predation risk and risk of infanticide by males affect patterns of social organization, social structure and mating system of primates. however, adaptability and variation of social behavior may be constrained by conservative adaptations and by phylogenetic inertia. the comparative study of closely related species can help to identify the relative ...201121656840
allelochemical stress inhibits growth, leaf water relations, psii photochemistry, non-photochemical fluorescence quenching, and heat energy dissipation in three c3 perennial species.in this study, the effect of two allelochemicals, benzoxazolin-2(3h)-one (boa) and cinnamic acid (ca), on different physiological and morphological characteristics of 1-month-old c(3) plant species (dactylis glomerata, lolium perenne, and rumex acetosa) was analysed. boa inhibited the shoot length of d. glomerata, l. perenne, and r. acetosa by 49%, 19%, and 19% of the control. the root length of d. glomerata, l. perenne, and r. acetosa growing in the presence of 1.5 mm boa and ca was decreased c ...201121659663
benzoxazolin-2(3h)-one (boa) induced changes in leaf water relations, photosynthesis and carbon isotope discrimination in lactuca sativa.the effects are reported here of benzoxazolin-2(3h)-one (boa), an allelopathic compound, on plant water relations, growth, components of chlorophyll fluorescence, and carbon isotope discrimination in lettuce (lactuca sativa l.). lettuce seedlings were grown in 1:1 hoagland solution in perlite culture medium in environmentally controlled glasshouse. after 30 days, boa was applied at concentration of 0.1, 0.5, 1.0 and 1.5 mm and distilled water (control). boa, in the range (0.1-1.5 mm), decreased ...201121665486
quantifying the breakdown of the born-oppenheimer approximation in surface chemistry.the born-oppenheimer approximation (boa) forms the basis for calculating electronically adiabatic potential energy surfaces, thus providing the framework for developing a molecular level understanding of a variety of important chemical problems. for surface chemistry at metal surfaces, it is now clear that for some processes electronically nonadiabatic effects can be important, even dominant; however, the magnitude of boa breakdown may vary widely from one chemical system to another. in this pap ...201121677973
first report of the red palm mite, raoiella indica hirst (acari: tenuipalpidae), in brazil.the presence of the red palm mite, raoiella indica hirst, is reported for the first time in brazil. this invasive mite was found in july 2009 infesting coconut palms and bananas in urban areas of boa vista, state of roraima, in northern brazil. comments on the possible pathways of r. indica into the country, present and potential impact of its introduction and mitigating measures to prevent or to delay the mite spread in brazil are presented.201121710040
seasonal influence on biochemical profile and serum protein electrophoresis for boa constrictor amarali in captivity.similarly to other reptiles, snakes are ectothermic animals and depend exclusively on the environment for the maintenance of their physiological, biochemical and immunological processes. thus, changes in biochemical values can be expected due to seasonal influence. twenty-two adult specimens of boa constrictor amarali kept in captivity were used. blood collections were done in two different seasons: winter (july 2004) and summer (january 2005) for the following assays: uric acid, aspartate amino ...201121755171
three-dimensional dynamics of breakout afterburner ion acceleration using high-contrast short-pulse laser and nanoscale targets.breakout afterburner (boa) laser-ion acceleration has been demonstrated for the first time in the laboratory. in the boa, an initially solid-density target undergoes relativistically induced transparency, initiating a period of enhanced ion acceleration. first-ever kinetic simulations of the boa in three dimensions show that the ion beam forms lobes in the direction orthogonal to laser polarization and propagation. analytic theory presented for the electron dynamics in the laser ponderomotive fi ...201121867015
consecutive virgin births in the new world boid snake, the colombian rainbow boa, epicrates maurus.until recently, facultative automictic parthenogenesis within the squamate reptiles exhibiting zz:zw genetic sex determination has resulted in single reproductive events producing male (zz) or female (zw) offspring. with the recent discovery of viable parthenogenetically produced female (ww) boa constrictors, the existence of further parthenogenetic events resulting in ww females was questioned. here, we provide genetic evidence for consecutive virgin births by a female colombian rainbow boa (ep ...201121868391
[an investigative report concerning safety and management in the magnetic resonance environment: there are more accidents than expected].using a questionnaire, we surveyed 2,500 facilities in japan to clarify medical accidents concerning the magnetic resonance device and its environment. data derived from 1,319 valid responses (52.8%), allowed us to analyze the situation of (or the reason for) the occurrence of the accidents and their environmental factors. five hundred and nine facilities (39% of all facilities) had the experience of magnetically induced displacement of the large ferromagnetic material. intravenous (i.v.) drip s ...201121869543
fourteen short tandem repeat loci y chromosome haplotypes: genetic analysis in populations from northern brazil.fourteen y-str loci (dys458, dys439, y-gata h4, dys576, dys447, dys460, dys456, ygata a10, dys437, dys449, dys570, dys635 or y-gata c4, dys448 and dys438) were analysed in 873 males from eight northern brazil populations: belém (n=400), santarém (n=69), manaus (n=75), macapá (n=65), palmas (n=30), rio branco (n=32), porto velho (n=135) and boa vista (n=67). a total of 871 different haplotypes were identified, of which 869 were unique. the panel's estimated total haplotype diversity (hd) is 0.998 ...201221873137
bioenergetic components of reproductive effort in viviparous snakes: costs of vitellogenesis exceed costs of pregnancy.reproductive effort has been defined as the proportion of an organism's energy budget that is allocated to reproduction over a biologically meaningful time period. historically, studies of reproductive bioenergetics considered energy content of gametes, but not costs of gamete production. although metabolic costs of vitellogenesis (mcv) fundamentally reflect the primary bioenergetic cost of reproductive allocation in female reptiles, the few investigations that have considered costs of reproduct ...201121884815
a rare case of penetrating ocular injury secondary to a boa constrictor bite.penetrating injuries from non-venomous snakebites are, thankfully, rare. they are, however, sight-threatening and the recent trend for using non-venomous snakes as props in the entertainment industry is increasing exposure of this hazard to people with no animal handling training. we report a case of a penetrating corneal injury in a 35 year old woman following a bite from a snake she had been given to hold for a photograph opportunity. the injury was repaired surgically and she had a good visua ...201221885327
Toxicological properties of several medicinal plants from the Himalayas (India) against vectors of malaria, filariasis and dengue.The leaves of five plants namely Nyctanthes arbortistis (Oleaceae), Catharanthus roseus (Apocynaceae), Boenininghusenia albiflora (Rutaceae), Valeriana hardwickii (Valerianaceae) and Eupatorium odoratum (Asteraceae) were selected for the first time from the Garhwal region of north west Himalaya to investigation its toxicological properties against mosquito vectors of malaria, filariasis and dengue. In a laboratory study, using different polarity solvents (petroleum ether, chloroform an ...201122041755
using previous models to bias structural learning in the hierarchical boa.estimation of distribution algorithms (edas) are stochastic optimization techniques that explore the space of potential solutions by building and sampling explicit probabilistic models of promising candidate solutions. while the primary goal of applying edas is to discover the global optimum or at least its accurate approximation, besides this, any eda provides us with a sequence of probabilistic models, which in most cases hold a great deal of information about the problem. although using probl ...201222082253
coupled-channels quantum theory of electronic flux density in electronically adiabatic processes: application to the hydrogen molecule ion.this article presents the results of the first quantum simulations of the electronic flux density (j(e)) by the "coupled-channels" (cc) theory, the fundamentals of which are presented in the previous article [diestler, d. j. j. phys. chem. a 2012, doi: 10.1021/jp207843z]. the principal advantage of the cc scheme is that it employs exclusively standard methods of quantum chemistry and quantum dynamics within the framework of the born-oppenheimer approximation (boa). the cc theory goes beyond the ...201222103738
evaluation of radiographic, computed tomographic, and cadaveric anatomy of the head of boa constrictors.to evaluate the radiographic, computed tomographic (ct), and cadaveric anatomy of the head of boa constrictors.201122126686
mitochondrial lipoic acid scavenging is essential for plasmodium berghei liver stage development.lipoic acid is an essential cofactor for enzymes that participate in key metabolic pathways in most organisms. while in mammalian cells lipoylated proteins reside exclusively in the mitochondria, apicomplexan parasites of the genus plasmodium harbor two independent lipoylation pathways in the mitochondrion and the apicoplast, a second organelle of endosymbiotic origin. protein lipoylation in the apicoplast relies on de novo lipoic acid synthesis while lipoylation of proteins in the mitochondrion ...201122128915
Frequency of species of Eimeria in females of the holstein-friesian breed at the post-weaning stage during autumn and winter.The frequency of species of the genus Eimeria in a dairy herd in the municipality of Boa Esperança, Southern region of the State of Minas Gerais was assessed. From 37 females of the Friesian breed aged three to seven months, 259 feces samples were analyzed between May and September 2008. The examinations to quantify oocysts per gram of feces (OPG) and identify Eimeria species were conducted at the Veterinary Parasitology Laboratory of the Federal University of Lavras. Eleven species of Eimeria w ...201122166384
consent process for elective total hip and knee arthroplasty.to assess the consent process for elective primary total hip replacement (thr) and total knee replacement (tkr) in our hospital.201122184153
complete genome sequence of a dengue virus serotype 4 strain isolated in roraima, brazil.dengue is the most important arboviral disease worldwide. we report the complete genome sequence of a dengue virus serotype 4, genotype ii strain isolated in 2010 from a patient with classical dengue fever in boa vista, roraima, brazil.022247521
what is your diagnosis? blood film from a boa constrictor. 201222250973
snake modulates constriction in response to prey's heartbeat.many species of snakes use constriction-the act of applying pressure via loops of their trunk-to subdue and kill their prey. constriction is costly and snakes must therefore constrict their prey just long enough to ensure death. however, it remains unknown how snakes determine when their prey is dead. here, we demonstrate that boas (boa constrictor) have the remarkable ability to detect a heartbeat in their prey and, based on this signal, modify the pressure and duration of constriction accordin ...201222258447
stable isotope tracer reveals that viviparous snakes transport amino acids to offspring during gestation.viviparity and placentation have evolved from oviparity over 100 times in squamate reptiles (lizards and snakes). the independent origins of placentation have resulted in a variety of placental morphologies in different taxa, ranging from simple apposition of fetal and maternal tissues to endotheliochorial implantation that is homoplasious with mammalian placentation. because the eggs of oviparous squamates transport gases and water from the environment and calcium from the eggshell, the placent ...201222323198
concentrations and allelopathic effects of benzoxazinoid compounds in soil treated with rye (secale cereale) cover crop.the concentration of benzoxazinoids (bx) was measured in field soils at selected intervals after rye residue was either incorporated or left on the soil surface. the spectrum of compounds arising in the soil persisted approximately two weeks and was dominated by methoxy containing bx compounds, which were only minor components of the rye foliage. growth assays with lettuce and smooth pigweed species showed inhibition when treated soils were tested during the first two weeks after rye application ...201222500621
ultrasonographic anatomy of the coelomic organs of boid snakes (boa constrictor imperator, python regius, python molurus molurus, and python curtus).to determine the ultrasonographic features of the coelomic organs of healthy snakes belonging to the boidae and pythonidae families.201222533394
imaging a boa constrictor--the incomplete double aortic arch syndrome.incomplete double aortic arch is a rare anomaly resulting from atresia rather than complete involution in the distal left arch resulting in a non-patent fibrous cord between the left arch and descending thoracic aorta. this anatomic anomaly may cause symptomatic vascular rings, leading to stridor, wheezing, or dysphagia, requiring surgical transection of the fibrous cord. herein, we describe an asymptomatic 59 year-old man presenting for contrast-enhanced ct angiography to assess cardiac anatomy ...201222542042
phylogenomics of the benzoxazinoid biosynthetic pathway of poaceae: gene duplications and origin of the bx cluster.the benzoxazinoids 2,4-dihydroxy-1,4-benzoxazin-3-one (diboa) and 2,4-dihydroxy-7- methoxy-1,4-benzoxazin-3-one (dimboa), are key defense compounds present in major agricultural crops such as maize and wheat. their biosynthesis involves nine enzymes thought to form a linear pathway leading to the storage of di(m)boa as glucoside conjugates. seven of the genes (bx1-bx6 and bx8) form a cluster at the tip of the short arm of maize chromosome 4 that includes four p450 genes (bx2-5) belonging to the ...201222577841
boa detoxification of four summer weeds during germination and seedling growth.a recent greenhouse study revealed a significant reduction of germination and growth of redroot pigweed (amaranthus retroflexus) and common purslane (portulaca oleracea) by rye mulch, whereas velvetleaf (abutilon theophrasti) and common lambsquarters (chenopodium album) were not suppressed. since boa detoxification by metabolic alteration may influence the relation between the benzoxazinoid content of the soil mulch and weed suppression, we tested the dynamics in boa detoxification in different ...201222614450
recovery of aeromonas hydrophila associated with bacteraemia in captive snakes.captive snakes, that is, a jamaican boa (epicrates subflavus) a yellow anaconda (eunectes notaeus) and a corn snake (pantherophis guttatus guttatus), died with signs of bacteraemia including the presence of petechial haemorrhages in the mouth and gums and haemorrhages in the lung, spleen and intestines. the abdomen and anus were swollen with bloody-tinged mucus in the colon. aeromonas hydrophila was recovered in dense virtually pure culture growth from the internal organs. characterization of th ...201222680932
[inequalities in access to and utilization of dental care in brazil: an analysis of the telephone survey surveillance system for risk and protective factors for chronic diseases (vigitel 2009)].this study aimed to evaluate access to and utilization of various types of dental services by individuals 18 years or older in brazil's state capitals. we gathered data from the telephone survey surveillance system for risk and protective factors for chronic diseases (vigitel) in 2009 (n = 54,367). more than half of the target population reported the need for dental treatment in the previous year; of these, 15.2% lacked access to dental services when needed. the private sector provided 61.1% of ...201222714973
cardiac tamponade following cardiocentesis in a cardiopathic boa constrictor imperator (boa constrictor imperator). 201222784300
[the effect of physiologically active compounds on the production of ethylene and the activity of polygalacturonase inhibiting protein in fruits].the treatment of apple and banana fruits with 2-cefa and ethacyde induced the production of ethylene and accelerated the ripening and accumulation of acc in apple fruits. inhibitors aoa, avg, and cocl2 acted at the different steps of ethylene biosynthesis, inhibited the physiological aging process and increased storage longevity. treatment with astaxantine and boa delayed the pick of ethylene production by fruits. the content of pgip was correlated with intensity of ethylene production. the infe ...201522808745
interview: partnering with the industry: the olympic laboratory model.david a cowan and campbell p barker speak to ryan de vooght-johnson at bioanalysis in may 2012 about the partnership between industry and academia for the setup and running of the doping-control laboratory for the london 2012 olympic games. david a cowan is director of the london 2012 anti-doping laboratory as well as director of the king's college london drug control centre, the uk's only wada-accredited anti-doping laboratory, and head of the department of forensic science and drug monitoring. ...201222831471
long-term risk of vascular events after peripheral bypass surgery. a cohort study.patients with peripheral arterial disease (pad) are at high risk of major ischaemic events. long-term data of all major ischaemic events in pad patients are scarce and outdated, especially for patients with severe pad requiring bypass surgery. our objective was to define their long-term prognosis and develop a prediction model which quantifies this risk up to a decade after surgery. we conducted a retrospective cohort study in patients from the dutch bypass oral anticoagulants or aspirin (boa) s ...201222871801
identification, characterization, and in vitro culture of highly divergent arenaviruses from boa constrictors and annulated tree boas: candidate etiological agents for snake inclusion body disease.inclusion body disease (ibd) is an infectious fatal disease of snakes typified by behavioral abnormalities, wasting, and secondary infections. at a histopathological level, the disease is identified by the presence of large eosinophilic cytoplasmic inclusions in multiple tissues. to date, no virus or other pathogen has been definitively characterized or associated with the disease. using a metagenomic approach to search for candidate etiologic agents in snakes with confirmed ibd, we identified a ...201222893382
is telomere length a biomarker for aging: cross-sectional evidence from the west of scotland?the search for biomarkers of aging (boas) has been largely unsuccessful to-date and there is widespread skepticism about the prospects of finding any that satisfy the criteria developed by the american federation of aging research. this may be because the criteria are too strict or because a composite measure might be more appropriate. telomere length has attracted a great deal of attention as a candidate boa. we investigate whether it meets the criteria to be considered as a single biomarker of ...201223028820
phytotoxic effect of 2-benzoxazolinone (boa) against some vegetable crops.benzoxazolin-2(3h)-one (boa) is a well known allelochemical that is being explored for its herbicidal activity. however, not much is known about its effect on crop plants. the present study investigated the effect of boa on germination and early growth of four vegetable crops viz. pisum sativum l., raphanus sativus l., brassica oleracea l. var. botrytis and brassica oleracea l. var. capitata. at 1000 microm, germination of p. sativum, r. sativus and b. oleracea var. botrytis was reduced by more ...201223033638
traditional uses of medicinal animals in the semi-arid region of northeastern brazil.the present work presents an inventory of the traditional medicinal uses of animals in the municipality of bom sucesso in paraíba state (pb) in the semiarid northeastern region of brazil. information was obtained through the use of semi-structured interviews with 50 people who use zootherapeutic products. a total of 25 animal species used for medicinal purposes were identified (18 vertebrates and seven invertebrates) distributed among five taxonomic categories; the groups with the largest number ...201223050756
parthenogenesis in a brazilian rainbow boa (epicrates cenchria cenchria).a 22-year-old captive brazilian rainbow boa (epicrates cenchria cenchria) gave birth to four offspring after being housed with a vasectomized male. sexual reproduction as a result of failed prior vasectomy, recanalization of the vas deferens, or prolonged sperm storage was ruled out using the clinical history, histopathology, and gross necropsy. short tandem repeat (str) dna markers were genotyped in the male, female, and four offspring. none of the offspring possessed a diagnostic str allele pr ...201323086743
in silico characterization of three two-component systems of ehrlichia canis and evaluation of a natural plant-derived inhibitor.two-component signal transduction systems (tcs) are important elements in the interaction of endobacteria with host cells. they are basically composed of two proteins, an environmental signal sensor and a response regulator, which activate genes involved in a wide range of bacterial responses to their environment. we analyzed three sets of genes corresponding to tcs of ehrlichia canis, a common tick-borne canine pathogen and the etiologic agent of canine monocytic ehrlichiosis, in order to ident ...201223096683
fitness evaluation of two brazilian aedes aegypti field populations with distinct levels of resistance to the organophosphate temephos.in brazil, decades of dengue vector control using organophosphates and pyrethroids have led to dissemination of resistance. although these insecticides have been employed for decades against aedes aegypti in the country, knowledge of the impact of temephos resistance on vector viability is limited. we evaluated several fitness parameters in two brazilian ae. aegypti populations, both classified as deltamethrin resistant but with distinct resistant ratios (rr) for temephos. the insecticide-suscep ...201223147149
prevalence and molecular identification of cryptosporidium isolates from pet lizards and snakes in italy.in order to acquire prevalence and genetic data on cryptosporidium infections in captive lizards and snakes kept as pets, a survey was conducted on 150 individual reptiles from southern italy. fecal samples were preserved in 5% formalin and analyzed using a commercial immunofluorescence assay (ifa) for the detection of cryptosporidium oocysts and giardia cysts. ifa revealed the presence of cryptosporidium oocysts in nine of the 150 samples examined (6.0%), precisely in 6/125 snakes (4.8%) and in ...201223193530
development of snake-directed antipredator behavior by wild white-faced capuchin monkeys: i. snake-species discrimination.young animals are known to direct alarm calls at a wider range of species than adults. our field study examined age-related differences in the snake-directed antipredator behavior of infant, juvenile, and adult white-faced capuchin monkeys (cebus capucinus) in terms of alarm calling, looking behavior, and aggressive behavior. in the first experiment, we exposed infant and juvenile white-faced capuchins to realistic-looking inflatable models of their two snake predators, the boa constrictior (boa ...201323229464
vibrational spectroscopic characterization of the phosphate mineral ludlamite (fe,mn,mg)₃(po₄)₂⋅4h₂o - a mineral found in lithium bearing pegmatites.the objective of this work is to analyze ludlamite (fe,mn,mg)(3)(po(4))(2)⋅4h(2)o from boa vista mine, galiléia, brazil and to assess the molecular structure of the mineral. the phosphate mineral ludlamite has been characterized by emp-wds, raman and infrared spectroscopic measurements. the mineral is shown to be a ferrous phosphate with some minor substitution of mg and mn. raman bands at 917 and 950 cm(-1) are assigned to the symmetric stretching mode of hopo(3)(2-) and po(4)(3-) units. raman ...201323257342
three-dimensional locations of destinations have species-dependent effects on the choice of paths and the gap-bridging performance of arboreal snakes.challenges for moving in arboreal environments include sizable gaps and variable three-dimensional locations between the discrete destinations created by branches. different three-dimensional orientations of the body change the mechanical demands of crossing gaps, especially for elongate animals, but these effects on both the maximal gap distance crossed (gapmax ) and the choice of destinations are poorly understood despite many animals frequently encountering these circumstances. we tested and ...201323281077
basal blood flow and autoregulation changes in the optic nerve of rhesus monkeys with idiopathic bilateral optic atrophy.to characterize the hemodynamic features and the association with structural damage in the optic nerve head (onh) of idiopathic bilateral optic atrophy (boa) in rhesus macaque monkeys.201323287792
faunistic analysis of the species of anastrepha schiner (diptera: tephritidae) in three municipalities of the state of roraima, brazil.the purpose of this work was to describe the population patterns of anastrepha in three municipalities of the state of roraima, brazil, via faunistic analysis. weekly collections were performed from january through december 2008, using mcphail traps containing 5% hydrolysed protein, in domestic orchards in the municipalities of boa vista, bonfim and pacaraima. we captured 301 females of anastrepha in boa vista, 212 in bonfim, and 167 in pacaraima. boa vista presented the highest species richness ...201223295509
triatomines in dwellings and outbuildings in an endemic area of chagas disease in northeastern brazil.the present study identified the triatomines collected in intra and peri-domestic environments, observed the occurrence of trypanosoma cruzi infection in triatomines and correlated this information with housing conditions and the fauna associated with the rural areas of the city of itabaianinha, located in the state of sergipe, brazil.201223295872
chemosensory age discrimination in the snake boa constrictor (serpentes: boidae).many snakes are able to use their chemosensory system to detect scent of conspecifics, which is important in many social contexts. age discrimination based on chemical cues may be especially important to ensure access to sexually mature potential partners. in this study, we used 24 individual boa constrictor snakes (12 adults mature and 12 non-mature individuals) that had been captured in different areas of ecuador, and were maintained in captivity at the vivarium of quito. we used tongue-flick ...201223342514
intracoelomic anaplastic sarcoma in an intersex madagascar tree boa (sanzinia madagascariensis).an adult madagascar tree boa (sanzinia madagascariensis) underwent coeliotomy for investigation of a coelomic mass. at surgery, a large mass originating from the peri-pancreatic adipose tissue and involving the gall bladder was removed. the snake did not recover from general anesthesia. a complete postmortem was performed, and samples were submitted to the university of glasgow for histopathology. on histological examination, the mass was composed of adipose tissue infiltrated with a poorly dema ...201323345276
[a surgeon's fees in court (vila boa de goiás, 1801)].the article explores the lawsuit brought by surgeon-major andré villela da cunha roza against joanna da fonseca coutinha in vila boa de goiás in 1801 to recover fees for his services. it examines the health care rendered to slaves, the scarcity and rising prices of these captives, the precarious training received by doctores and surgeons, and the ethical issues entailed in charging the fees in question.201223370110
benzoxazinoids in rye allelopathy - from discovery to application in sustainable weed control and organic farming.the allelopathic potency of rye (secale cereale l.) is due mainly to the presence of phytotoxic benzoxazinones-compounds whose biosynthesis is developmentally regulated, with the highest accumulation in young tissue and a dependency on cultivar and environmental influences. benzoxazinones can be released from residues of greenhouse-grown rye at levels between 12 and 20 kg/ha, with lower amounts exuded by living plants. in soil, benzoxazinones are subject to a cascade of transformation reactions, ...201323385365
Displaying items 301 - 400 of 665