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Sökning: LAR1:gu > Engelska > (1990-1999)

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1.
  • A place to live : gender research on housing in Africa
  • 1996
  • Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
    • Be it a house or a makeshift, a shared or rented room, or a home of one's own, a place to live is central in surviving strategies of all urban households. In this volume the authors explore the gendered experiences of housing and housing rights in African countries. There are many differences but also many similarities in the pattern of women not having the same access and control over housing as men have. While women often are the bread-winners, they are also the home-makers, in the sense that it is women who put intense efforts in making a place home.
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2.
  • Abbas, Abdul-Karim, 1959, et al. (författare)
  • Bicarbonate-sensitive cysteine induced elevation of extracellular aspartate and glutamate in rat hippocampus in vitro
  • 1997
  • Ingår i: Neurochemistry International. - 0197-0186. ; 30:3, s. 253-259
  • Tidskriftsartikel (refereegranskat)abstract
    • The effect of different concentrations of cysteine (0.125, 0.25, 0.5 and 1 mM) on the net efflux of endogenous amino acids was studied by the incubation of rat hippocampal slices. Addition of cysteine (1 mM) in bicarbonate containing low K+ medium (5 min) selectively increased the basal net efflux of glutamate and aspartate by 370% and 396%, respectively. High K+ media (50 mM) containing cysteine (1 mM) evoked the net efflux of glutamate and aspartate by 1 454% and 1 019%, respectively. The corresponding effects in control slices without cysteine were 669% and 404%, respectively. No changes were observed on the concentrations of GABA, glutamine and taurine. The cysteine oxidation products, cysteine sulfinate (0.5 μM) and cystine (0.25 mM) were without effects. The effect of cysteine (0.5 mM) was dramatically reduced in media with no added bicarbonate/CO2. Thus, cysteine in a bicarbonate-sensitive manner selectively increases the extracellular concentration of excitotoxic amino acids in adult rat brain in vitro, possibly by interfering with the carrier-mediated glutamate uptake/ release
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3.
  • Abd-El-Gawad, G, et al. (författare)
  • Early and late metabolic alterations in children and adolescents with a kock urinary reservoir.
  • 1999
  • Ingår i: BJU international. - : Wiley. - 1464-4096 .- 1464-410X. ; 83:3, s. 285-9
  • Tidskriftsartikel (refereegranskat)abstract
    • To assess the early and late metabolic effects of urinary diversion in children and adolescents with a Kock urinary reservoir.Thirteen children (aged 10.8- 16 years) and seven adolescents (aged 16-18 years; 10 girls and 10 boys), underwent surgery for congenital urinary incontinence. They were followed for 3-10 years (mean 6.5), divided into an early (3 months to 2 years) and a late (2-10 years) period, and assessed for renal function and any metabolic effects.At the early and late follow-up, one of 19 and three of 16 patients, respectively, had metabolic acidosis. Hyperchloraemia was present in four of 20 patients at the early and in eight of 18 at the late follow-up. Serum creatinine was increased in four of 20 patients at the early and eight of 18 at the late follow-up. In patients with infrequent reservoir emptying (
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4.
  • Abd-el-Gawad, G, et al. (författare)
  • Evaluation of Kock urinary reservoir function in children and adolescents at 3-10 years' follow-up.
  • 1999
  • Ingår i: Scandinavian journal of urology and nephrology. - : Informa UK Limited. - 0036-5599 .- 1651-2065. ; 33:3, s. 149-55
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to evaluate Kock reservoir function in children and adolescents operated for congenital urinary incontinence and to determine the complication rate. Reservoir function was investigated in 13 children (age range 10.8-16 years) and 7 adolescents (age range 16-18 years) through enterocystometry, enterocystoscopy and patient history. Patients were followed up for 3-10 years. The follow-up was reported as early (3 months-2 years) and late (2-10 years) postoperative periods. At early follow-up reservoir capacity was high in four patients and normal in the remaining patients. A low reservoir pressure was accompanied by high capacity and compliance. On enterocystometry first sensation for emptying was experienced in 82% of patients at early follow-up and 92% at late follow-up. Reservoir contractions were recorded in 60% of patients at early follow-up and 65% at late follow-up. The contractions were recorded at an average reservoir capacity of 270 ml at early follow-up and 340 ml at late follow-up. The complication rate was high in the child group compared with that in adolescents. Of 13 patients with at least one reservoir complication 10 were from the child group. Nipple dysfunction (angled nipple, prolapsed or stenosed stoma) occurred in 35% of patients, stones in 40% and bleeding during catheterization in 15%. Revision was performed in 38% of the child group and 15% of the adolescents. Reservoir perforation was observed in two patients at 6 and 9 years postoperatively. At late follow-up continence was excellent in 17 of 19 patients and good in 2. We conclude that the Kock reservoir is a good modality for urinary diversion, but the complication incidence is high in the child group (<16 years). Stability of the reservoir in terms of volume and low internal pressures was achieved one year after operation, except in the patients with infrequent reservoir emptying. A time-related increase in the reservoir sensitivity and contractility was reported on enterocystometry. Nipple dysfunction is common during the first two years after surgery, particularly in the child group. Stones may form 3-4 years after surgery. Satisfactory continence was achieved in all patients, although a revisional operation was necessary in some patients in order to obtain permanent continence.
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5.
  • Abd-el-Gawad, G, et al. (författare)
  • Kock urinary reservoir maturation in children and adolescents: consequences for kidney and upper urinary tract.
  • 1999
  • Ingår i: European urology. - : Elsevier BV. - 0302-2838 .- 1421-993X. ; 36:5, s. 443-9
  • Tidskriftsartikel (refereegranskat)abstract
    • To study Kock reservoir maturation in children and adolescents and its effects on the kidneys and upper urinary tract.Ten boys and 10 girls, aged 10.8-18 years, had Kock reservoir surgery for congenital urinary incontinence. They were followed for 3-10 years, divided into 3 different periods, and assessed with urography and enterocystography, the findings of which were correlated to renal function as measured by (51)Cr EDTA clearance, reservoir endoscopy and patient's history.The reservoir was located in the pelvis and remained in this position throughout the whole follow-up in 75% of patients and in the lower or midabdomen in 25%. Angled efferent nipple seen on enterocystoscopy or enterocystography coincided with nipple dysfunction, reservoir malposition or infrequent reservoir emptying. Upper urinary tract dilatation was detected in 84% of patients 3 months after surgery, 25% at 1 year and 30% at 2-10 years. The dilatation was improved in 56% of patients and unchanged in 25% after 1 year. The situation continued to improve at late follow-up. New focal renal scars were radiologically detected in 1 of 19 at early and in another 1 of 17 patients at late follow-up. Progression of old scars was detected in 1 of 19 at early and in 4 of 17 at late follow-up. Eight of 19 cases had deterioration of renal function with a change in the split renal function. Of these 8 patients, 7 reported infrequent reservoir evacuation.Kock reservoir is a useful form of urinary diversion in children and adolescents with congenital urinary incontinence. Radiological examinations are good methods of follow-up of the maturation of the pouch and its effects on the urinary tract and for detection of complications. Urinary tract dilatation is a frequent finding early after surgery but it subsides in most cases 3-12 months after surgery. Long-term efferent nipple dysfunction may be the result of angulation, reservoir stones, malposition and/or overdistension. Permanent renal damage may be due to pyelonephritis, stones, infrequent reservoir emptying or urinary obstruction. A strict regime of reservoir evacuation to avoid overdistension and nipple dysfunction and to decrease the possibility of renal function deterioration is strongly advisable in these patients. It is imperative that their own management of the reservoir is continuously supervised.
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6.
  • Abel, Frida, 1974, et al. (författare)
  • Gain of chromosome arm 17q is associated with unfavourable prognosis in neuroblastoma, but does not involve mutations in the somatostatin receptor 2(SSTR2) gene at 17q24.
  • 1999
  • Ingår i: British journal of cancer. - : Springer Science and Business Media LLC. - 0007-0920 .- 1532-1827. ; 81:8, s. 1402-9
  • Tidskriftsartikel (refereegranskat)abstract
    • Deletion of chromosome arm 1p and amplification of the MYCN oncogene are well-recognized genetic alterations in neuroblastoma cells. Recently, another alteration has been reported; gain of the distal part of chromosome arm 17q. In this study 48 neuroblastoma tumours were successfully analysed for 17q status in relation to known genetic alterations. Chromosome 17 status was detected by fluorescence in situ hybridization (FISH). Thirty-one of the 48 neuroblastomas (65%) showed 17q gain, and this was significantly associated with poor prognosis. As previously reported, 17q gain was significantly associated with metastatic stage 4 neuroblastoma and more frequently detected than both deletion of chromosome arm 1p and MYCN amplification in tumours of all stages. 17q gain also showed a strong correlation to survival probability (P = 0.0009). However, the most significant correlation between 17q gain and survival probability was observed in children with low-stage tumours (stage 1, 2, 3 and 4S), with a survival probability of 100% at 5 years from diagnosis for children with tumours showing no 17q gain compared to 52.5% for those showing 17q gain (P = 0.0021). This suggests that 17q gain as a prognostic factor plays a more crucial role in low-stage tumours. Expression of the somatostatin receptor 2 (SSTR2), localized in chromosome region 17q24, has in previous studies been shown to be positively related to survival in neuroblastoma. A point mutation in the SSTR2 gene has earlier been reported in a human small-cell lung cancer. In this study, mutation screening of the SSTR2 gene in 43 neuroblastoma tumours was carried out with polymerase chain reaction-based single-stranded conformation polymorphism/heteroduplex (SSCP/HD) and DNA sequencing, and none of the tumours showed any aberrations in the SSTR2 gene. These data suggest that mutations in the SSTR2 gene are uncommon in neuroblastoma tumours and do not correlate with either the 17q gain often seen or the reason some tumours do not express SSTR2 receptors. Overall, this study indicates that gain of chromosome arm 17q is the most frequently occurring genetic alteration, and that it is associated with established prognostic factors.
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7.
  • Abelin, Åsa, 1953 (författare)
  • Studies in Sound Symbolism
  • 1999
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • This thesis investigates how the Swedish lexicon is structured with respect to sound symbolism, the productivity of phonesthemes and cross language similarities in certain areas of sound symbolism. The Swedish lexicon has been analyzed with emphasis on the sound symbolic properties of initial and final consonant clusters, and to a certain extent of vowels. Approximately 1, 000 lexemes were judged to be sound symbolic and the outcome of the analysis are tentative phonesthemes, i.e. motivated connections between meanings and consonant clusters. Almost all Swedish initial consonant clusters and many of the final consonant clusters may carry sound symbolic meanings. Lexically infrequent clusters are utilized to a larger extent than lexically frequent clusters. No two consonant clusters have exactly the same semantic profile. Phonesthemes have different sound symbolic strength, i.e. some are clearly sound symbolic (i.e. a high percentage of the words beginning with a certain cluster are sound symbolic), and carry either one meaning or several meanings. Other (candidates for) phonesthemes are weaker and not so clearly sound symbolic. The meanings of most phonesthemes are relatable to the senses: hearing, vision or tactile sensation, or they are metaphorically or metonymically connected to the senses. The most common semantic features occurring are often related to synaesthesia. The productivity of phonesthemes was tested in experiments of production and understanding. The experiments show that in interpretation no constructed word is interpreted as expected by all subjects, but that all of the constructed words are interpreted correctly by some subjects. The most common semantic features found in the lexical analysis are also often the most successfully interpreted by subjects. For production, the experiments indicate that subjects tend to encode the semantic features in initial clusters rather than in final clusters. Final consonant clusters seem to be of less importance than the initial clusters in new sound symbolic words in Swedish. For the contrastive studies, the general results are that there are both similarities and differences between the expressions in the different languages. The variation is greater for some semantic fields than for others.
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8.
  • Aberg, N, et al. (författare)
  • Increase of asthma, allergic rhinitis and eczema in Swedish schoolchildren between 1979 and 1991.
  • 1995
  • Ingår i: Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. - : Wiley. - 0954-7894. ; 25:9, s. 815-9
  • Tidskriftsartikel (refereegranskat)abstract
    • A previous study has shown a twofold increase in prevalence of asthma and allergic rhinitis (AR) in Swedish recruits during the 1970s. The increase was higher in more northerly colder regions.To follow up the previously found trend to increasing prevalences with time as well as the climatic variations within the country.The prevalences of asthma, allergic rhinitis and eczema were assessed using two questionnaire studies, 12 years apart (1979 and 1991) with identical questions about the diseases. The study comprised representative samples of children from the Göteborg area on the south-western coast (in 1979: 7-year-olds, n = 4255, in 1991: 7-year-olds, n = 1649) and in Kiruna, a mining town in the northernmost inland mountains (in 1979: 7-year-olds, n = 427, in 1991: 7-9-year-olds, n = 832). In 1991 there was also a personal interview and a skin-prick test (SPT) on subsamples.The prevalence of all these diseases present over the last year had roughly doubled over the 12-year period. On both occasions, most symptoms were more prevalent in the northern area. In 1991, the prevalence of one or more symptoms in Göteborg was 23.8% and 32.5% and in Kiruna 29.9% and 44.8% in the questionnaire and the interview, respectively.Asthma, AR and eczema increase continuously in prevalence in Sweden and the climatic distribution of the prevalences suggests possible major risk factors to be found in a closed indoor climate.
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9.
  • Aberg, N, et al. (författare)
  • Prevalence of allergic diseases in schoolchildren in relation to family history, upper respiratory infections, and residential characteristics.
  • 1996
  • Ingår i: Allergy. - : Wiley. - 0105-4538 .- 1398-9995. ; 51:4, s. 232-7
  • Tidskriftsartikel (refereegranskat)abstract
    • The prevalences of asthma, allergic rhinitis (AR), and eczema were analyzed in relation to retrospective risk factors from birth in a questionnaire study of schoolchildren in two areas covering the whole climatic span of Sweden: the Göteborg area on the southwestern coast (7-year-olds, n = 1649) and Kiruna, a mining town in the northernmost inland mountains (7-9-year-olds, n = 832). The strongest background factor, a family history of the diseases, was more common in children with another strong risk factor, particularly for asthma: high frequency of upper respiratory tract infection (URTI). Other significant risk factors related to high indoor humidity caused an increased prevalence of both allergic diseases and URTI. Active mechanical ventilation of the homes caused a slight reduction of the prevalence of allergic diseases, and repainting or new wallpaper in the bedroom of the child after birth caused a moderately increased risk of allergic disease. This study illustrates the interaction between genetic and environmental risk factors with special emphasis on factors related to an unventilated indoor climate, which may have substantially contributed to the current increase of the diseases in the country.
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10.
  • Abiri, Elisabeth, 1962 (författare)
  • Cross-border migration and the Fall of the Wall
  • 1999
  • Ingår i: Schulz, Michael (red.) Peace and Development: Their Interrelationship in the Global System. - Göteborg : University of Gothenburg.
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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