| contents of 1,4-benzoxazin-3-ones and 2-benzoxazolinone from stenandrium dulce (nees). | secondary metabolites, diboa, hboa, 7-oh-hboa and boa, were isolated and quantified from s. dulce (nees), a native species in chile belonging to the acanthaceae family. the highest diboa and hboa contents were determined in leaves (9.25 mmol kg(-1) fr. wt) and root (6.81 mmol kg(-1) fr. wt), respectively. aglycones, 7-oh-hboa and hboa, were isolated together from root extracts of acanthaceae species. both, hboa and 7-oh-hboa should be direct precursors in the biosynthesis of diboa and dimboa, re ... | 2009 | 15241920 |
| uptake and translocation of phytochemical 2-benzoxazolinone (boa) in radish seeds and seedlings. | the molecular aspects of phytochemical interactions between plants, especially the process of phytochemical translocation by the target plant, remain challenging for those studying allelopathy. 2-benzoxazolinone (boa) is a natural chemical produced by rye (secale cereale) and is known to have phytotoxic effects on weed seeds and seedlings. the translocation of boa into target plants has been poorly investigated. therefore, the total absorption of [ring u 14c] boa was estimated by oxidizing whole ... | 2004 | 15181106 |
| growth inhibition and root ultrastructure of cucumber seedlings exposed to allelochemicals from rye (secale cereale). | inhibition of "calypso" cucumber seedling growth by rye allelochemicals, 2(3h)-benzoxazolinone boa and 2,4-dihydroxy-1,4(2h)-benzoxazin-3-one diboa, was studied by analyzing the growth of seedling tissues and organs. light and electron microscopy of seedling root cells were also carried out to investigate the mechanism(s) of root growth inhibition and mode of action of these compounds. boa inhibited root elongation and reduced the number of cucumber lateral roots by 77 and 100% at 0.1 and 0.43 m ... | 2004 | 15139316 |
| acute and chronic impacts caused by aromatic hydrocarbons on bacterial communities at boa viagem and forte do rio branco beaches, guanabara bay, brazil. | the bacterial community presented significantly different hydrocarbonoclastic activity under acute and chronic impacts. benzoic acid, toluene, benzene and xylene were used in final concentrations of 5, 10 and 15 mm and bacterial biomass was quantified through protein dosage. under acute impact, the highest biomass percentages occurred between the 11th and 14th days; under chronic impact, between the 20th and 29th days. under acute and chronic impacts, the bacterial biomass presented higher nutri ... | 2000 | 15092959 |
| a novel laboratory screening bioassay for crop seedling allelopathy. | crops that control weeds by root exudation of allelochemicals are receiving increased attention, and there are efforts to breed allelopathic cultivars in several crops. the genetic improvement of allelopathic traits is based upon parental germ plasm with high allelopathic activity. identification of allelopathic germplasm is done in laboratory screening bioassays, but experimental protocols are limited. we developed a fast and reliable laboratory screening bioassay for grain crops that includes ... | 2004 | 15074665 |
| ventilatory compensation of the alkaline tide during digestion in the snake boa constrictor. | the increased metabolic rate during digestion is associated with changes in arterial acid-base parameters that are caused by gastric acid secretion (the 'alkaline tide'). net transfer of hcl to the stomach lumen causes an increase in plasma hco3- levels, but arterial ph does not change because of a ventilatory compensation that counters the metabolic alkalosis. it seems, therefore, that ventilation is controlled to preserve ph and not pco2 during the postprandial period. to investigate this poss ... | 2004 | 15010489 |
| primary total hip replacement: a comparison of a nationally agreed guide to best practice and current surgical technique as determined by the north west regional arthroplasty register. | in 1999, a statement of best practice in primary total hip replacement was approved by the council of the british orthopaedic association (boa) and by the british hip society (bhs) to provide a basis for regional and national auditable standards. we have compared practice in the north west region of england to this document to ascertain adherence to this guide to best practice. | 2004 | 15005930 |
| microbial transformation products of benzoxazolinone and benzoxazinone allelochemicals--a review. | cyclic hydroxamic acids and lactams are allelochemicals present in the common agricultural crops wheat, rye, and maize. the hydroxamic acids are mainly present in the plants as glucosides. upon injury or insect attack or when exuded to the soil environment, the hydroxamic acids occur in their unstable agluconic form. in the first step in the transformation of hydroxamic acids, benzoxazolinones are formed spontaneously. it is necessary to elucidate the further microbial transformation of these co ... | 2004 | 14664831 |
| the current management of tibial fractures: are clinical guidelines effective? | the production of clinical guidelines is increasing and will continue to do so with the introduction of clinical governance. in 1997, the british orthopaedic association (boa) and the british association of plastic surgeons (baps) published joint guidelines on the management of open tibial fractures. it is not known whether these guidelines reached their target audience, or indeed influenced clinical practice. | 2003 | 14629886 |
| utilisation of electrospray time-of-flight mass spectrometry for solving complex fragmentation patterns: application to benzoxazinone derivatives. | in this paper we describe the application of electrospray time-of-flight mass spectrometry (esi-tofms) to structural elucidation of the fragment ions formed from a range of natural and synthetic allelochemical derivatives. the extensive mass spectrometric characterisation of ten non-glucosylated benzoxazinone derivatives using this method is described here for the first time. the analytes include six naturally occurring 1,4-benzoxazin-3(4h)-one derivatives, including the hydroxamic acids dimboa ... | 2003 | 14595855 |
| development of a liquid chromatography-electrospray-tandem mass spectrometry method for the quantitative determination of benzoxazinone derivatives in plants. | a new method for the quantification of benzoxazinone derivatives in extracts of wheat foliage and root samples using liquid chromatography-electrospray ionization-tandem mass spectrometry (lc-esi-ms-ms) is described. using this method, the characterization, separation, and quantitative detection of a mixture of six naturally occurring 1,4-benzoxazin-3(4h)-one derivatives, including the hydroxamic acids (dimboa, diboa), lactams (hboa, and hmboa), benzoxazilinones (boa, mboa), and two synthetic me ... | 2003 | 12964761 |
| temperature and meal size effects on the postprandial metabolism and energetics in a boid snake. | we investigated the combined effect of meal size and temperature on the aerobic metabolism and energetics of digestion in boa constrictor amarali. oxygen uptake rates (vd2;o2) and the duration of the digestion were determined in snakes fed with meals equaling to 5%, 10%, 20%, and 40% of the snake's body mass at 25 degrees and 30 degrees c. the maximum vd2;o2 values attained during digestion were greater at 30 degrees c than at 25 degrees c. both maximal vd2;o2 values and the duration of the spec ... | 2006 | 12794677 |
| obesity, regional fat distribution, and syndrome x in obese black versus white adolescents: race differential in diabetogenic and atherogenic risk factors. | the incidence of type 2 diabetes mellitus in children is increasing with the increasing prevalence of obesity, particularly in african-american children. we hypothesized that african-american obese adolescents are more insulin resistant than their white peers, but have lower insulin secretion, thus increasing their risk of type 2 diabetes mellitus. the present study investigated insulin sensitivity and secretion, visceral adiposity (vat), and cardiovascular disease (cvd) risk profile in black ob ... | 2003 | 12788850 |
| white-faced capuchins cooperate to rescue a groupmate from a boa constrictor. | | 2003 | 12778926 |
| the blossoming of evidence-based clinical rheumatology: the arthritis research campaign's clinical trials collaboration in association with the mrc clinical trials unit, bsr and boa. | | 2003 | 12730530 |
| [the interdiction of disease: a cultural construction of schistosomiasis in an endemic area in minas gerais, brazil]. | this study was conducted in a rural area endemic for schistosomiasis in minas gerais, brazil. the objective was to determine the relationship between an environmental and health education program for schistosomiasis, implemented for teachers and students from the state secondary school in the village of boa união, and the subsequent actions of its participants in regards to the environment and the illness. an important difference in this program is its perspective that it is not merely the imple ... | 2016 | 12488890 |
| aerobic metabolism during predation by a boid snake. | we quantified the oxygen uptake rates (vo(2)) and time spent, during the constriction, inspection, and ingestion of prey of different relative sizes, by the prey-constricting boid snake boa constrictor amarali. time spent in prey constriction varied from 7.6 to 16.3 min, and vo(2) during prey constriction increased 6.8-fold above resting values. this was the most energy expensive predation phase but neither time spent nor metabolic rate during this phase were correlated with prey size. similarly ... | 2002 | 12443908 |
| haematopoiesis and a new mechanism for the release of mature blood cells from the bone marrow into the circulation in snakes (ophidia). | this is the first description of haematopoiesis in snakes. studies were carried out on the following species belonging to ophidia: bothrops jararaca, bothrops jararacusu, waglerophis merremii, elaphe taeniura taeniura, boa constrictor,and python reticulatus. smears of the peripheral blood and histological preparations from the vertebrae, ribs, liver, and spleen were studied under a light and electron microscope. myeloid cells were present in the following locations in the vertebrae: the neural s ... | 2002 | 12242485 |
| boa constrictor attack and successful group defence in moustached tamarins, saguinus mystax. | | 2006 | 12207064 |
| sifaka predation by a large boa. | | 2003 | 12207063 |
| the influence of hyperhomocysteinemia on graft patency after infrainguinal bypass surgery in the dutch boa study. | hyperhomocysteinemia has been identified as a risk factor for (cardio)vascular disease. whether hyperhomocysteinemia contributes to graft failure after peripheral bypass surgery remains unclear. the present study evaluated the influence of hyperhomocysteinemia on graft patency after infrainguinal bypass surgery. | 2002 | 12170215 |
| gastric lavage from a madagascar tree boa (sanzinia madagascarensis). | | 2000 | 12070806 |
| long-term visual outcomes in the cataract-free zone project in brazil. | to determine the long-term visual outcomes and causes of poor vision in the cataract population in brazil treated in the cataract-free zone project. | 2002 | 12059863 |
| hematopoiesis in snakes (ophidia). | locations of the hematopoietic tissue have been described in the following ophidian species: bothrops jararaca, bothrops jararacusu, waglerophis merremii, elaphe teniura teniura, boa constrictor, and python reticulatus. studies were carried out on perfusion fixed vertebrae, ribs, spleen, liver, thymus, and kidney. routine histological technique was applied using both light and electron microscopy. hematopoietic tissue was found in the following locations of the vertebrae: neural spine, neural ar ... | 2002 | 12056654 |
| the cost-effectiveness of preoperative testing (basic office assessment vs. urodynamics) for stress urinary incontinence in women. | to compare the cost-effectiveness of preoperative testing strategies in women with stress incontinence symptoms, as although urodynamic testing is used to improve the diagnostic accuracy in women with incontinence, the clinical and economic consequences of different levels of testing have not been evaluated. | 2002 | 11872024 |
| [socioeconomic and demographic indicators and nutritional status of children in a rural land settlement in rio de janeiro]. | this study evaluated socioeconomic indicators and nutritional status in 201 children and adolescents in a rural land settlement in são josé da boa morte, rio de janeiro. nutritional deficit was defined as a value below -2 z score for the reference median from the national center for health statistics (nchs) for weight-for-age (w/a) and stature-for-age (s/a) for children under five years of age and weight-for-stature (w/s) and s/a for children from 5.0 to 9.9 years. for adolescents, the study use ... | 2013 | 11784907 |
| legal threat prompts course on casting. | the rcn a&e nursing association is to meet with the british orthopaedic association (boa) in january to discuss casting courses aimed at emergency nurses. | 2002 | 27237560 |
| autonomic control of heart rate during forced activity and digestion in the snake boa constrictor. | reptiles, particularly snakes, exhibit large and quantitatively similar increments in metabolic rate during muscular exercise and following a meal, when they are apparently inactive. the cardiovascular responses are similar during these two states, but the underlying autonomic control of the heart remains unknown. we describe both adrenergic and cholinergic tonus on the heart during rest, during enforced activity and during digestion (24-36 h after ingestion of 30 % of their body mass) in the sn ... | 2001 | 11707504 |
| altered visual experience and acute visual deprivation affect predatory targeting by infrared-imaging boid snakes. | boid and crotaline snakes use both their eyes and infrared-imaging facial pit organs to target homeothermic prey. these snakes can target in complete darkness, but the eyes can also effectively direct predatory strikes. we investigated the behavioral correlates of boid snakes' simultaneous use of two imaging systems by testing whether congenital unilateral visual deprivation affects targeting performance. normally sighted burmese pythons exhibited average targeting angle of zero (on the midline ... | 2001 | 11701137 |
| experimental study of induced inflammation in the brazilian boa (boa constrictor constrictor). | the objective of this work was to identify the cellular types present in inflammatory processes in the brazilian snake, boa constrictor constrictor. blood smears were first made from three normal snakes and stained by several methods to identify the cell types present, thus facilitating the identification of cells in inflammatory processes induced in 16 further snakes by the subcutaneous implantation of cotton suture threads and circular coverslips. implanted threads induced migration of heterop ... | 2003 | 11578134 |
| retinal photoreceptors and visual pigments in boa constrictor imperator. | the photoreceptors of boa constrictor, a boid snake of the subfamily boinae, were examined with scanning electron microscopy and microspectrophotometry. the retina of b. constrictor is duplex but highly dominated by rods, cones comprising 11% of the photoreceptor population. the rather tightly packed rods have relatively long outer segments with proximal ends that are somewhat tapered. there are two morphologically distinct, single cones. the most common cone by far has a large inner segment and ... | 2001 | 11550183 |
| optimal oral anticoagulant intensity to prevent secondary ischemic and hemorrhagic events in patients after infrainguinal bypass graft surgery. dutch boa study group. | the purpose of this study was to determine the optimal intensity of oral anticoagulation in patients who participated in a randomized trial of oral anticoagulants or aspirin after infrainguinal bypass graft surgery. | 2001 | 11241122 |
| costs of outpatient anticoagulant treatment in patients with cerebral and peripheral arterial occlusive disease. | knowledge of the costs of oral anticoagulant (ac) treatment may be relevant for resource allocation. also, the incremental costs may be compared with other treatments for health care policy decisions. in this report, we have assessed actual costs of anticoagulant therapy in anticoagulation clinics (ac-clinic) in three different settings in the netherlands. | 2001 | 11204588 |
| mitochondrial dna-based phylogeography of north american rubber boas, charina bottae (serpentes: boidae). | we used 783 bp of mitochondrial dna sequences to study the phylogeography of charina bottae (rubber boa) in western north america, with an emphasis on populations from california (u.s.a.). maximum-parsimony and maximum-likelihood methods identified a basal divergence within c. bottae that corresponds to southern and northern segments of its current distribution. these clades coincide with the ranges of the two recognized subspecies, c. b. umbratica in the south and c. b. bottae to the north. a s ... | 2001 | 11161758 |
| [peridomiciliary changes and implications for triatoma brasiliensis control]. | a total of 9,906 annexes from 1,541 rural dwellings of boa viagem county, ceará, brazil, infested by triatoma brasiliensis and triatoma pseudomaculata were investigated and immediately sprayed with pyrethroid insecticide, followed by revisions at 6, 12, and 18 months. the initial infestation rate of annexes was 4.0%, with predominant infestation in animal shelters (7.0%). mean insect density was low, regardless of triatomine species or type of annex. a progressive decrease in the number of initi ... | 2000 | 11119322 |
| adenovirus hepatitis in a boa constrictor (boa constrictor). | a boa constrictor was submitted for postmortem evaluation. at necropsy, there were no substantial lesions except in the liver. light microscopy revealed severe multifocal to coalescing coagulative necrotic hepatitis, with basophilic and eosinophilic intranuclear inclusions in hepatocytes within the necrotic foci. the histopathological findings suggested a viral hepatitis. an adenoviral infection was diagnosed by means of transmission electronic microscopy and in situ hybridization techniques. | 2000 | 11108462 |
| audit of open tibial diaphyseal fracture management at a district accident centre. | preston acute hospital is a designated district accident centre with a 24 h flying squad and on-site plastic and orthopaedic units. we performed a retrospective 5-year survey of open tibial shaft fracture management at our unit and compared our treatment to the guidelines of the british orthopaedic association (boa) and british association of plastic surgeons (baps). deficiencies were highlighted and changes in practice made. we then re-audited our figures over an 18-month period to see if clini ... | 2000 | 11103167 |
| linkage problem, distribution estimation, and bayesian networks. | this paper proposes an algorithm that uses an estimation of the joint distribution of promising solutions in order to generate new candidate solutions. the algorithm is settled into the context of genetic and evolutionary computation and the algorithms based on the estimation of distributions. the proposed algorithm is called the bayesian optimization algorithm (boa). to estimate the distribution of promising solutions, the techniques for modeling multivariate data by bayesian networks are used. ... | 2000 | 11001554 |
| salmon: a new autosomal mutation demonstrating incomplete dominance in the boine snake boa constrictor. | an unusual and attractive pigmentation pattern mutation termed "salmon" has been identified in the united states in several captive colonies of the common neotropical boine snake boa constrictor [boa constrictor (boidae)]. boa constrictors expressing the sa pigmentation pattern appear to be restricted to regions of panama. animals with the sa phenotype exhibit a sharp decrease in melanophore pigments (e.g., melanin) and an increase of xanthophore pigments (e.g., pteridines and carotenoids) throu ... | 2003 | 10833054 |
| interpretation of dutch boa trial. dutch bypass oral anticoagulants or aspirin study group. | | 2000 | 10791406 |
| benzoxazinoids-cyclic hydroxamic acids, lactams and their corresponding glucosides in the genus aphelandra (acanthaceae). | an improved method of sample preparation and simultaneous hplc separation was developed that allowed the separation of 2,4-dihydroxy-1,4-benzoxazine-3(4h)-one (diboa), 2,4-dihydroxy-7-methoxy-1,4-benzoxazine-3(4h)-one (dimboa), 2-hydroxy-1,4-benzoxazine-3(2h)-one (hboa), 2-hydroxy-7-methoxy-1,4-benzoxazine-3(2h)-one (hmboa) and their corresponding glucosides as well as the benzoxazolinones boa and mboa. the amount and distribution of these compounds was determined in the roots of aphelandra squa ... | 2000 | 10680174 |
| how long should patients be followed-up after total hip replacement? current practice in the uk. | some 1000 postcard questionnaires were sent to fellows of the british orthopaedic association (boa) to establish current follow-up practice of primary total hip replacement (thr) patients. for cemented thrs, 50% of surgeons saw their patients for under 1 year, 78% under 5 years with indefinite follow-up being performed by 14%. there was significantly more follow-up of uncemented and hybrid prostheses with the proportions being 25%, 56% and 30% respectively (chi 2, p < 0.0001). this study has rev ... | 1999 | 10645180 |
| [the social security reform: wide-ranging effects on companies as well as occupational health services]. | to evaluate the reactions of companies and occupational health services (ohss) to the reform of the social security system by the government of the netherlands; especially to inventory to what extent intended effects (more handicapped workers employed, more reintegration efforts) and unintended effects (exclusion handicapped workers, deteriorated quality ohss) occurred. | 1999 | 10416494 |
| quality of life after infrainguinal bypass grafting surgery. dutch bypass oral anticoagulants or aspirin (boa) study group. | the purpose of this study was to compare quality of life in patients with and without various ischemic complications after infrainguinal bypass grafting surgery for occlusive vascular disease. | 1999 | 10233784 |
| cell biology. boa constrictor or rattlesnake? | | 1999 | 10206640 |
| [cystic testicular anomaly with subsequent stenosis of the small intestine in an emerald tree boa (corallus caninus l., 1758)]. | a case report with emphasis on diagnostic procedures and differential diagnoses is given. the etiology is discussed in comparison to similar malformations in mammals and other reptiles. the literature is reviewed with emphasis on differential diagnostic aspects. | 1998 | 9857424 |
| [bilateral video-endoscopic adrenalectomy in cushing's disease. experience in 24 patients]. | the purpose of this study was to compare the results of bilateral laparoscopic adrenalectomy (bla) to bilateral open adrenalectomy (boa) in the treatment of cushing's disease. twenty-four patients (23 cushing's disease, 1 congenital adrenal hyperplasia) were divided into 3 groups. group 1 patients (n = 15) underwent bca using the lateral transabdominal approach, group while 2 patients (n = 9) underwent laparoscopic adrenalectomy on one side and conventional open adrenalectomy on the contralatera ... | 1998 | 9752469 |
| behavioural observation audiometry in testing young hearing-impaired children. | the aim was to examine the accuracy of unconditioned behavioural observation audiometry (boa) in predicting hearing acuity in children and the validity of test results at various frequencies. the study was designed to longitudinally compare each child's best boa response level (at the age >12 months) with the conclusive pure-tone threshold of the better ear. the subjects were 119 children derived from a material of 353 children fitted with a hearing aid at helsinki university central hospital. b ... | 1998 | 9728780 |
| boa constrictor bite to the eye. | | 1998 | 9682713 |
| the rotaflex total knee replacement--a 5 year review. | we report the results of a retrospective analysis of 43 patients who received 56 rotaflex total knee arthroplasties, with a mean follow-up of 55.7 months. the british orthopaedic association (boa) knee assessment protocol was used in evaluating the clinical results. two patients could not receive post-operative scores. in the remaining 54 knees, the mean pre-operative score was 25.6, improving to 30.8 post-operatively. ten knees showed a decrease in knee score, two were unchanged and 42 improved ... | 1997 | 9195815 |
| is the olympic boardsailor an endurance athlete? | the present study was carried out in order to describe the physiological profile of top olympic boa rdsailors of both genders and to measure the energy cost during actual boardsailing with particular attention to the most demanding conditions. fourteen elite olympic boardsailors (7 males and 7 females) volunteered to participate in the study. each subject underwent a maximal cycle ergometer test in orderto measure vo2peak and ventilatory threshold (tvent). additionally, anthropometric measuremen ... | 1997 | 9231845 |
| types of gowns used in trauma and orthopaedic theatres. | trauma and orthopaedic surgeons are at an increased risk of acquiring viral blood-borne infections during elective and especially trauma surgery. the british orthopaedic association (boa) published guidelines in 1991 for the prevention of cross-infection between patients and staff. it was recommended that only waterproof gowns be used in orthopaedic and trauma theatres. the aim of this study was to determine the compliance with the boa recommendations. a telephone survey of 79 hospitals in engla ... | 1997 | 9274740 |
| occupation and urbanization of roraima state, brazil. | the author examines settlement patterns and urbanization of the remote area of roraima state, brazil. "a survey conducted in the capital city, boa vista, provides information on migration histories and migrants' characteristics.... current views of urbanization of the amazon [region] are focused on the displacement factor that development and state geopolitics have upon rural settlements...." the author also suggests that more attention needs to be paid to the characteristics of migrants in the ... | 1997 | 12294841 |
| [what is your diagnosis? which treatments do you suggest? dysecdysis in a boa constrictor]. | | 1996 | 8677426 |
| [prevention of occlusion following peripheral bypass surgery using oral anticoagulants or acetylsalicylic acid: a randomized comparison within the dutch boa study]. | | 1995 | 7630459 |
| dilemmas in auditory assessment of developmentally retarded children using behavioural observation audiometry and brain stem evoked response audiometry. | the records of 94 consecutive developmentally retarded children with speech retardation and suspected hearing loss who underwent auditory assessment by both conventional behavioural observation audiometry (boa) and brain stem evoked response audiometry (bera) were analysed. in 54 children (57.4 per cent) there was good agreement between the results of both techniques leading to a clearcut diagnosis. in 22 children a diagnosis was possible only by the results of bera as the results of boa were in ... | 1995 | 7561465 |
| origin of west indian populations of the geographically widespread boa corallus enydris inferred from mitochondrial dna sequences. | corallus enydris (serpentes: boidae: boinae) is an arboreal snake with an extremely wide mainland distribution from southern costa rica to southeastern brazil and is one of two boine species that has invaded the lesser antilles (grenada bank and st. vincent). mitochondrial dna sequences of samples from seven geographically disparate localities provided evidence of phylogenetic relationships. the monophyly of c. enydris is corroborated and a major dichotomy between northern samples (panama and tr ... | 1995 | 7620639 |
| effects of fertility on biomass, phytotoxicity, and allelochemical content of cereal rye. | studies were conducted to evaluate biomass production, tissue phytotoxicity, and allelochemical content of rye (secale cereale l.) shoots grown in three fertility regimes (low, medium or high) in the greenhouse. wheeler rye or a polyculture of rye and hairy vetch (vicia villosa roth) grown with high fertility produced the greatest biomass (78.7 and 82.7 g), with the lowest root-to-shoot ratio (0.22 and 0.43) produced in the high-fertility treatments. the polyculture treatment grown with low fert ... | 1995 | 24233569 |
| current attitudes to cementing techniques in british hip surgery. | aseptic loosening is the major problem in hip joint replacement. improved cementing techniques have been shown to improve the long-term survival of implants significantly. to assess the use of modern cementing techniques in british surgeons, a detailed questionnaire was sent to all fellows of the british orthopaedic association (boa) regarding cement preparation, bone preparation, cementing technique and prostheses used in total hip arthroplasty. excluding retired fellows, surgeons who use no ce ... | 1994 | 7702322 |
| soil transformation of wheat and corn metabolites mboa and dim2boa into aminophenoxazinones. | the defensive cyclic hydroxamates 7-methoxy-2,4-dihydroxy-1,4(2h)-benzoxazin-3-one (dimboa) and 7,8-dimethoxy-2,4-dihydroxy-1,4(2h)-benzoxazin-3-one (dim2boa) of wheat and corn are transformed in nonsterile soil, via 6-methoxy-2(3h)-benzoxazolone (mboa) and 6,7-dimethoxy-2(3h)-benzoxazolone (m2boa) respectively, into 2-amino-7-methoxy-3h-phenoxazin-3-one and 2-amino-4,6,7-trimethoxy-3h-phenoxazin-3-one. the soil transformation is similar of that undergone by the rye metabolite 2(3h)-benzoxazolon ... | 1993 | 24248702 |
| [adult culicidae captured in the southern region of brazil]. | during the period from september 1988 to april 1990, mosquitoes were captured using shannon light trap and falcão light traps, in terra boa county, in the north of paraná state, brazil. the shannon trap was installed in the outlying modified forest and falcão traps were installed in the modified forest and domiciliary areas. the prevalence of species was verified and the methods of capture compared. | 1993 | 7906901 |
| stillbirth rates and folic acid and zinc status in low-socioeconomic pregnant women of brazilian amazon. | twenty-five women in their first trimester and 25 women in their third trimester of pregnancy were randomly chosen from the slum areas of eight towns in the brazilian amazon (manaus, sao luis, boa vista, porto velho, sao gabriel, santarem, tefe, and benjamin constant). blood samples were removed from the subjects for folic acid and zinc analyses, and the women were asked questions about whether they had suffered from complications during previous pregnancies. it was found that the stillbirth rat ... | 2013 | 8485329 |
| improvement in gait one year after surgery for knee osteoarthrosis: a comparison between high tibial osteotomy and prosthetic replacement in a prospective randomized study. | the aim of this study was to analyse gait improvement one year after high tibial osteotomy and unicompartmental knee arthroplasty in patients with strictly unilateral osteoarthrosis of the medial compartment of the knee. thirty-six patients, 18 men and 18 women, received a unicompartmental brigham knee prosthesis and 23 patients, 10 men and 13 women, were operated on with a high tibial osteotomy. clinical and radiographical assessments were supplemented by a functional test, measurements of thig ... | 1993 | 8465162 |
| boa constrictor. | | 1993 | 8432186 |
| soil transformation of 2(3h)-benzoxazolone of rye into phytotoxic 2-amino-3h-phenoxazin-3-one. | nonsterile soil transforms the rye metabolite 2(3h)-benzoxazolone (boa) into 2-amino-3h-phenoxazin-3-one, which is an order of magnitude more toxic to barnyard grass than benzoxazolone. benzoxazolone was recovered unchanged from sterile soil. however,o-aminophenol is converted to aminophenoxazinone by both sterile and nonsterile soil in the presence of air. aminophenoxazinone is probably produced by microbial hydrolysis of benzoxazolone intoo-aminophenol, which is oxidized to aminophenoxazinone ... | 1992 | 24254712 |
| knee arthroplasty rating. | a number of rating systems used to evaluate the results of total knee arthroplasty exist. many of these systems are based on different concepts, and might be expected to give divergent results. to see if this was so, the authors examined a consecutive series of 235 posterior stabilized knee arthroplasties recording the results according to five rating systems: hss (the hospital for special surgery), brigham, freeman, boa (british orthopaedic association), and the venn diagram. in spite of their ... | 1992 | 1613520 |
| [the health status of yanomámi indians: diagnosis from the casa do indio, boa vista, roraima, 1987 - 1989]. | the change in the morbidity profile of the yanomámi indians admitted to the casa do indio, at boa vista, roraima, from january 1987 to august 1989, is reported. the most frequent diseases observed in 495 patients were malaria, acute respiratory infections, tuberculosis, severe under nutrition, and sexually transmitted diseases. malaria was the main cause of death of 114 indians throughout the period. a striking increase in hospital admissions was noted in the population from the villages which w ... | 2013 | 15798859 |
| balloon occlusion aortography. | we review the validity of balloon occlusion aortography (boa) on the basis of our personal experience with 18 patients with congenital heart disease (mean weight 4.55 g, including 8 neonates). four of the 18 patients underwent aortic arch angiography using balloon occlusion of the descending aorta. pulmonary angiography was also performed in 9 patients via a patent ductus arteriosus and in 3 patients via a blalock-taussig shunt. the remaining 2 patients underwent coronary arteriography by balloo ... | 1991 | 2029910 |
| 2,2'-oxo-1,1'-azobenzene: selective toxicity of rye (secale cereale l.) allelochemicals to weed and crop species: ii. | three allelochemicals from rye or its breakdown products were evaluated for activity on garden cress (lepidum sativum l.), barnyardgrass [echinochloa crus-galli (l.) beauv.], cucumber (cucumis sativus l.), and snap bean (phaseolus vulgaris l.). 2,4-dihydroxy-1,4(2h)-benzoxazin-3-one (diboa), 2(3h)-benzoxazolinone (boa), and 2,2'-oxo-1,1'-azobenzene (azob) were all applied singly at 50, 100, and 200 ppm and in two- and three-way combinations each at 50 and 100 ppm. azob at 100 and 200 ppm produce ... | 1991 | 24258430 |
| the physical and psychosocial effect of moderate osteoarthrosis of the knee. | to illustrate both physical and psychosocial effects of moderate gonarthrosis, clinical examination of patients has been supplemented with a questionnaire sip (sickness impact profile), to describe the functional health status. sixty patients, 35 women and 25 men, mean age 63 years, with moderate medial osteoarthrosis of the knee and no symptoms from other joints, were included in the study. the mean boa score and the self-selected walking speed were decreased in these patients compared to norma ... | 1991 | 1785032 |
| 2,2'-oxo-1, 1 '-azobenzene a microbially transformed allelochemical from 2,3-benzoxazolinone: i. | 2,2'-oxo-1,1 '-azobenzene (azob), a compound with strong herbicidal activity, was isolated and characterized from a soil supplemented with 2,3-benzoxazolinone (boa). a parallel experiment with 6-methoxy-2,3-benzoxazolinone (mboa) yielded azob as well as its mono-(mazob) and dimethoxy-(dimazob) derivatives. these compounds were produced only in the presence of soil microorganisms, via possible intermediates, i and ii, which may dimerize or react with the parent molecule to form the final products ... | 1990 | 24263495 |
| assessment of walking before and after unicompartmental knee arthroplasty. a comparison of different methods. | walking ability was assessed in twenty patients before and one year after knee replacement with a cemented unicompartmental, brigham prosthesis (mean age 63.4 years, nine women). all patients had moderate medial gonarthrosis. one year after surgery, knee function, assessed by the boa score, self-selected and maximal walking speed as well as single limb support of the involved leg were increased. pain and exertion during walking and oxygen cost of level walking were decreased at all measured spee ... | 1990 | 2326609 |
| uptake of 210pb and 210po by brazilian bunodosoma caissarum corrêa, 1964 (cnidaria, actinidae). | bunodosoma caissarum, a carnivorous marine species exclusive to the brazilian southern coast, recognized as a sensitive bioindicator of artificial radioactive pollution, also shows a great capacity for concentrating natural alpha-emitters. the authors have measured the alpha-emitters 210po and its precursor 210pb in this animal. the average concentrations found are greater (by a factor of 4.6) for 210po measured in samples gathered on ponta negra beach (protected outer coast) than the values obt ... | 1989 | 2781266 |
| [dysfunction of the oviducts and salpingectomy in a boa (c. constrictor). description of a case]. | when a boa was producing lumps of proteinaceous material during labour, and administration of calcium and oxytocin failed to be effective, and lumps continued to be palpable, it was decided to perform (partial) salpingectomy. premedication consisted in administration of metomidate, anaesthesia being produced by halothane, oxygen and nitrous oxide given by intubation with a cuffed tube. the incision was made in the median line; the fat corpuscles were separated along the abdominal veins to gain a ... | 1988 | 3376083 |
| improving behavior observation audiometry testing and scoring procedures. | the need exists for improving behavioral testing of low-functioning children, particularly profoundly involved multiply handicapped children. in this study, behavior observation audiometry (boa) was modified for systematic evaluation of childrens' responses to sound without observer bias. the data were analyzed statistically and a minimum response level was computed. this boa technique was used to test the hearing of 82 profoundly involved handicapped children. results suggested that boa can be ... | 1987 | 3582809 |
| adenovirus-like infection in a boa constrictor. | | 1985 | 3001003 |
| hearing loss in the developmentally handicapped: a comparison of three audiometric procedures. | moderately (n:61) and profoundly (n:103) retarded or developmentally handicapped residents of a large institution were assessed using three audiometric procedures: behavioral observation audiometry (boa, both speech and tonal), acoustic reflex measures (spar), and brain-stem auditory-evoked responses (bsaer) audiometry. the purpose was to compare the three methods to determine whether a battery of tests might provide a more accurate assessment of this "difficult to test" population. the investig ... | 1985 | 3842842 |
| amino acid sequences of lower vertebrate parvalbumins and their evolution: parvalbumins of boa, turtle, and salamander. | one major parvalbumin each was isolated from the skeletal muscle of two reptiles, a boa snake, boa constrictor, and a map turtle, graptemys geographica, while two parvalbumins were isolated from an amphibian, the salamander amphiuma means. the amino acid sequences of all four parvalbumins were determined from the sequences of their tryptic peptides, which were ordered partially by homology to other parvalbumins. phylogenetic study of these and 16 other parvalbumin sequences revealed that the tur ... | 1984 | 6599978 |
| parathyroid and ultimobranchial glands of the sand boa, eryx johnii daudin. | eryx johnii and e. conicus possess two pairs of parathyroid glands (ptg) and one pair of ultimobranchial glands (ubg). the ptg is composed of cell cords and follicles, and is well vascularized. the presence of large vesicles with ciliated and glandular epithelium is the most striking feature of the ptg in e. johnii. accessory ptg tissues are present. the unique feature of equal sized ubgs in eryx is their location, i.e., bilaterally parallel and rostrally away from the thyrothymic region. the ub ... | 1983 | 6884763 |
| primary vagal nerve projections to the lateral descending trigeminal nucleus in boidae (python molurus and boa constrictor). | the primary vagal axons and terminals within the lateral descending trigeminal tract (dlv) and nucleus (dlv) of two species of boidae are studied following hrp injections of the vagal nerve. labeled fibers and terminals are found in the tail portion of the dlv and dlv, partly forming a neuropil at its margin. the labeled thin fibers and neuropil seem to correspond to the c-fibers and marginal neuropil of crotalinae. | 1983 | 6839166 |
| comparison of auditory brainstem response and behavioral audiometry in infants. | sixty-three normal hearing infants, ranging from 1 to 12 months of age, were evaluated with behavioral observation audiometry (boa), visual reinforcement audiometry (vra), and auditory brainstem response audiometry (abr). boa thresholds decreased with increasing age for infants 0 to 6 months of age, while abr threshold were essentially constant as a function of subject age. in general, vra threshold were obtained only for infants over 4 months of age, and were relatively constant for the age ran ... | 1983 | 6577570 |
| blood chemical values of the common boa constrictor (constrictor constrictor). | | 1982 | 7149422 |
| [evaluation of the coverage of the vaccine against yellow fever in boa vista, federal territory of roraima]. | | 1982 | 7187518 |
| activity of warm receptors in boa constrictor raised at various temperatures. | nine young specimens of boa constrictor were raised for 4 years in a climatic chamber at an ambient temperature of 30 degrees c under artificial illumination. seven boas were raised at 23 degrees c under the same conditions. at the end of the adaptation period, mean body weight of the warm adapted boas was 9.6 +/- 0.8 kg and that of the cold adapted ones 5.9 +/- 0.3 kg. static and dynamic activities of single specific trigeminal warm fibers were recorded when applying static temperatures of 20, ... | 1981 | 7322848 |
| the attenborough total knee prosthesis. results of 25 operations evaluated according to two different assessment systems. | the attenborough stabilized gliding total knee prosthesis was used in cases of severely damaged, highly unstable or deformed knees. twenty-five operated cases were followed for 1 1/2 years (range 12-28 months). the results were assessed according to two different knee evaluation systems: the lotke & ecker knee evaluation index and the knee function assessment chart (boa chart) suggested by the british orthopaedic association. the overall results were excellent or good in 84 per cent (21/25) of t ... | 1981 | 7331793 |
| pulmonary defense mechanisms in boa constrictor. | we studied aerosol deposition and the response to inhaled particles and irritants in lungs of boa constrictor. snakes which breathed submicrometric particles radiolabeled with 99mtc retained 41.4 +/- 9.9% of the aerosol in the trachea, 42.5 +/- 8.8% in the anterior faveolar regions, and 8.7 +/- 4.1% in the posterior saccular regions of the lungs. low activity recovered in the gastrointestinal tract over a 5-h period following aerosol exposure indicated slow clearance of inhaled particles. in con ... | 1981 | 6894444 |
| uric acid in the etiology of psoriasis. | the potential etiologic relationship between uric acid in its microcrystalline monosodium urate form and psoriasis was examined by 1) substantiating the reported correlation between hyperuricemia and psoriasis using the phosphotungstate method; 2) examining psoriatic tissue samples for the presence of urates under a microscope using polarized light and a compensator; 3) attempting to induce psoriasis-like symptoms in laboratory animals with purine-to-uric acid metabolism by increasing serum uric ... | 1981 | 7337193 |
| ecochg and psychoacoustic tests compared in identification of hearing loss in young children. | among 149 children (median age 23 months, range 2-123 months) examined by ecochg, a comparison was made between pure-tone and ecochg thresholds in 53 patients. by using linear regression analysis a high correlation was found (correlation coefficient 0.92, p less than 0.0005) proving that ecochg gives valid estimates of the hearing thresholds, also in small children. a comparison between behavioral observation audiometry (boa) and ecochg thresholds was performed in 62 children. it was concluded t ... | 1981 | 7271590 |
| styphlodora horrida in the kidneys and ureters of a boa constrictor (constrictor constrictor). | | 1980 | 6901441 |
| [comparative volumetric analysis of the principal subdivisions of the telencephalon in saurian reptiles]. | the volumetric measure of the main subdivisions of the telencephalon has been carried on 24 species of lizards and 2 species of snakes. the studied structures are termed as follows: main and accessory olfactory bulbs, medial cortex (m 1 and m 2), dorsal cortex (d 1, d 2 and d 3), lateral cortex (l), septum, tuberculum olfactorium, dorsal and ventral striatum, amygdala and nucleus sphaericus. the analysis of the datas makes use of the snel l's formula which relates the volume of the various telen ... | 1980 | 7419906 |
| [prolonged treatment of zollinger-ellison by cimetidine (author's transl)]. | treatment of zollinger-ellison syndrome with cimetidine is justified by prior pharmacological studies; close survey of the patients is necessary, using clinical (endoscopic control of ulcer; diarrhea) and biological (boa measurements and assessment of cimetidine efficiency) criteria. on the basis of 7 patients suffering from of chronic forms of zes treated with cimetidine for periods varying from 56 to 570 days, a therapeutic scheme is suggested, allowing individual choices in the following prob ... | 1979 | 482112 |
| quantitation of 1,4-benzoxazin-3-ones in maize by gas-liquid chromatography. | a gas-liquid chromatographic (glc) procedure is reported for the quantitation of the trimethylsilyl (tms) derivatives of substituted 2-hydroxy-2h-1,4-benzoxazin-3(4h)-ones (2-hydroxy-2h-1,4-benzoxazin-3(4h)-one[hboa]; 2-hydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one[hmboa];2,4- dihydroxy-2h-1,4-benzoxazin-3(4h)-one[diboa]; 2,4-dihydroxy-7-methoxy-2h-1,4-benzoxazin-3(4h)-one[dimboa]; and 2,4-dihydroxy-7,8-dimethoxy-2h-1,4-benzoxazin-3(4h)-one[dim (2)boa]) found in maize (zea mays l.) extracts. der ... | 1979 | 16660666 |
| [leukosis with viral presence proven by means of an electron microscope in 2 boa constrictors]. | | 1978 | 705314 |
| air flow in snake ventilation. | ventilation in resting, unrestrained boa constrictor, python regius and thanmophis s. sirtalis was monitored using various combinations of a closed kopfkappe (head chamber), intratracheal pressure catheters, strain gauges around the trunk, and a flow meter connected to one of the nostrils. records of intratracheal pressure with and without closing the kopfkappe show that the latter device induces artifacts in the normal ventilatory pattern. flow meter readings from quiescent snakes indicate that ... | 1978 | 644149 |
| renal styphlodoriasis in a boa constrictor. | renal styphlodoriasis was diagnosed in a 2 1/2-year-old male boa constrictor (constrictor constrictor). the snake had been anorexic for 6 months prior to its death. necropsy revealed numerous hard, white foci of mineralization in the kidneys. histologic examination revealed distorted renal tubules containing cross sections of trematodes or mineralized debris, tubular epithelial hyperplasia, and chronic interstitial nephritis. several adult trematodes were recovered and identified as styphlodora ... | 1977 | 924859 |
| stomatitis in a boa constrictor. | | 1976 | 977464 |
| [blood-oxygen analyzer boa 802 (author's transl)]. | experiences with a new blood oxygen analyzer (boa 802, dräger-bio marine) are reported. in the range up to 100 mm hg data about 6 mm hg to high were found compared with the avl gas check. in the range between 100-300 mm hg there was an increasing difference between values measured with the boa 802 and a conventional oxygen electrode, however this does not seem to be of clinical relevance. | 1976 | 949111 |
| hemoglobins of boa constrictor amarali. | | 1976 | 7424 |
| [apparatus for the measurement of blood oxygen boa 8o2. new method for simplified blood-po2-measurements]. | | 1975 | 1233467 |
| static and dynamic activity of warm receptors in boa constrictor. | afferent impulses from multi- and single-fiber preparations of the trigeminal nerve in boa constrictor were recorded during exactly controlled thermal stimulation of the receptive field in the labial region. at constant temperatures in the range between 18 and 37 degrees c, multi-fiber preparations showed a continuous discharge with a maximum around 30 degrees c. dynamic warming caused a high increase of the discharge, whereas dynamic cooling led to a complete inhibition. no cold-sensitive fiver ... | 1975 | 1168336 |