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  • 1
    Electronic Resource
    Electronic Resource
    Weed communities in intensified cereal-based cropping systems of the northern Guinea savanna (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 35 (1995), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The dynamics of weed populations were ana lysed in intensified cereal-based cropping sys tems of the northern Guinea savanna in Nigeria, A total of four common weed associations were identified through cluster analysis. Five factors describing soil fertility conditions and field his tory best differentiated the weed communities according to a discriminant model. The analysis shows that maize-based cropping systems with a high frequency of cereal cropping and a low fre quency of noncereal cropping tended to be domi nated by weeds such as Commelina spp. and Kyllinga squamulata. As soil fertility declined, Vernonia spp. and Eclipta prostrata became more important. Increased frequency of noncereal crops in mixed cropping with cereals was associ ated with reduced incidence of weeds such as Leucas martinicensis, Oldenlandia corymbosa, Spermacoce verticillata, Litdwigia hyssopifolia, Celosia laxa, and,Ipomoea spp. Further diversifi cation of cereal-based systems to obtain a re duced frequency of cereals is likely to increase the incidence of Dactvloctenium aegyptium in crop fields. The information provides guidance for technology development and transfer on weed control for intensifying systems in the northern Guinea savanna of Africa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1995.tb02030.x
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  • 2
    Electronic Resource
    Electronic Resource
    Häufigkeit und Behandlungserfolg von Schmerzen im Kindesalter (1998)
    Springer
    Der Schmerz 12 (1998), S. 336-341 
    Details
    ISSN: 1432-2129
    Keywords: Schlüsselwörter Kindlicher Schmerz ; Umfrage aus der Sicht der Eltern ; Key words Pain in childhood ; Survey of parents ; Acute pain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Introduction: Pain in childhood still seems to be a major problem. In this study we investigated parents’ opinion about the frequency of pain in their children and the efficacy of pain treatment. Method: Parents of 93 children (average age: 11–14 years) answered a questionnaire. The participants were asked to evaluate the frequency of pain and the success of pain treatment in their children. They were also asked about their family structure. Results: The result confirmed that perioperative pain therapy in children was not satisfactory. However, the majority of parents were satisfied with the outpatient pain therapy. Conclusion: In order to achieve adequate and successful pain therapy in childhood, better information of the parents and better medical education of doctors is mandatory.
    Notes: Zusammenfassung Fragestellung: In unserer Studie ging es um die Darstellung wesentlicher Aspekte des kindlichen Schmerzes. Zur Untersuchung wurde ein Fragebogen verwendet, den Eltern über die Schmerzproblematik ihrer Kinder ausfüllen sollten. Methode: Anhand eines Fragebogens wurden Eltern von insgesamt 93 Kindern im Durchschnittsalter von 11–14 Jahren Fragen zur Häufigkeit von kindlichen Schmerzen und zur Zufriedenheit bezüglich der Schmerztherapie gestellt. Darüber hinaus sollte die Familienstruktur, in der die Kinder integriert waren, erhoben werden. Ergebnisse: Das Ergebnis der Umfrage bestätigt, daß die Schmerztherapie bei Kindern im Rahmen operativer Eingriffe zu wenig ernst genommen wird. Mit der Schmerztherapie außerhalb des Krankenhauses waren die Eltern überwiegend zufrieden. Schlußfolgerung: Um eine Verbesserung der Schmerztherapie bei Kindern zu erzielen, ist neben einer intensiven Weiterbildung der Ärzte auch eine bessere Aufklärung der Eltern notwendig.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004820050162
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  • 3
    Electronic Resource
    Electronic Resource
    Über erbliche Grundlagen der Tuberkulosedisposition (1942)
    Springer
    Lung 97 (1942), S. 352-355 
    Details
    ISSN: 1432-1750
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02204114
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  • 4
    Electronic Resource
    Electronic Resource
    Urinary Markers of Bone Turnover in Healthy Children and Adolescents: Age-Related Changes and Effect of Puberty (1998)
    Springer
    Calcified tissue international 63 (1998), S. 369-374 
    Details
    ISSN: 1432-0827
    Keywords: Key words: Children — Puberty — Type I collagen cross-links — type I collagen telopeptide.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Abstract. During growth, bones change their dimensions rapidly with the changes involving both formation and resorption processes. Small cross-linked peptides coming from type I collagen molecules are excreted in urine when bone is resorbed. To date, conflicting results have been presented concerning the age- and puberty-related changes of urinary markers. The purpose of the present study was to verify the effect of age, gender, and puberty on the urinary excretion of type I collagen degradation products in healthy children and adolescents. Timed spot urines from 176 children (4–20 years old) and 50 young adults were analyzed. The concentrations of N-telopeptides of type I collagen (NTx), pyridinolines (Pyr), and deoxypyridinolines (Dpyr) were measured, and the results were normalized to creatinine. Age-related changes in cross-links excretion were observed. The levels decreased with age, and a peak of excretion was shown at the beginning of adolescence. Prepubertal levels of all the markers were four- to five-fold higher than in adults, and they decreased towards adult levels in late puberty. Girls had significantly higher levels of all biochemical markers than boys at pubertal stage 2. We also observed a remarkable effect of puberty on the levels of bone degradation products that was independent of age and gender. Our results indicate that bone resorption is high in children relative to that in adults, and that urinary levels of NTx, Pyr, and Dpyr change as a function of age, gender, and puberty.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002239900542
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  • 5
    Electronic Resource
    Electronic Resource
    Reaktive Arthritis nach Katzenbiß: eine seltene Manifestation der Katzenkratzkrankheit – Kasuistik und Übersicht (1998)
    Springer
    Zeitschrift für Rheumatologie 57 (1998), S. 159-163 
    Details
    ISSN: 0340-1855
    Keywords: Schlüsselwörter ; Katzenkratzkrankheit ; reaktive Spondarthritis ; Bartonella henselae ; rheumatische Manifestationen ; Key words ; Rheumatic manifestations ; reactive spondylarthropathy ; cat scratch disease ; Bartonella henselae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Cat scratch disease (CSD) is a rarely recognized infectious disease in Germany. Only a few years ago the causative agent, Bartonella henselae, could be isolated. The typical clinical manifestations of CSD consist of skin changes at the inoculation site and a benign lymphadenopathy; other manifestations are rare. We report the case of a 47 year old woman, who developed a reactive spondylarthropathy with synovitis of finger joints, polyarthralgias of large- and medium-sized joints, and inflammatory spinal pain after a cat bite. The rheumatic manifestations resolved after 10 months by treatment with non-steroidal antirheumatic drugs. Only a few cases of rheumatic manifestations associated with CSD have been described in the literature. Because the prevalence of Bartonella henselae infection of cats is high in Europe, rheumatic manifestations might be more frequent. Diagnosis of CSD is now improved by the development of serological tests. We provide an overview of the clinical manifestations and the diagnostic criteria.
    Notes: Zusammenfassung Bei der Katzenkratzkrankheit (KKK) handelt es sich um eine in Deutschland wenig bekannte Infektionskrankheit. Erst vor wenigen Jahren konnte der Erreger, Bartonella henselae, isoliert werden. In der Mehrzahl der Fälle findet sich ein typisches Krankheitsbild mit Hautveränderungen im Bereich von Katzenbiß- oder Kratzwunden und einer benignen Lymphadenopathie. Weniger häufig kommt es zu weiteren Organmanifestationen. Wir berichten über eine 47-jährige Patientin, die nach einem Katzenbiß eine reaktive Spondarthritis mit Synovialitiden der Fingergelenke, Polyarthralgien der mittleren und großen Gelenke und entzündliche Lumbalgien entwickelte. Die rheumatische Symptomatik war zeitlich limitiert und sprach gut auf NSAR an. Bislang sind nur wenige Fälle von Gelenkbeteiligung im Rahmen einer KKK beschrieben worden. Da die Durchseuchung von Katzen mit Bartonella henselae in Europa jedoch hoch ist, könnte es sich um eine häufigere Ursache von Gelenkbeschwerden handeln, als bislang angenommen. Die Diagnostik der KKK wurde in den letzten Jahren durch die Entwicklung serologischer Teste erleichtert. Wir geben einen Überblick über die klinischen Manifestationen und fassen die diagnostischen Kriterien dieser Erkrankung zusammen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003930050074
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  • 6
    Electronic Resource
    Electronic Resource
    Matching Convex Shapes with Respect to the Symmetric Difference (1998)
    Springer
    Algorithmica 21 (1998), S. 89-103 
    Details
    ISSN: 1432-0541
    Keywords: Key words. Computational geometry, Convex geometry, Shape matching, Centroid.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract. This paper deals with questions from convex geometry related to shape matching. In particular, we consider the problem of moving one convex figure over another, minimizing the area of their symmetric difference. We show that if we just let the two centers of gravity coincide, the resulting symmetric difference is within a factor of 11/3 of the optimum. This leads to efficient approximate matching algorithms for convex figures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00009210
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  • 7
    Electronic Resource
    Electronic Resource
    Linkage disequilibrium studies in multiple endocrine neoplasia type 1 (MEN1) (1997)
    Springer
    Human genetics 〈Berlin〉 100 (1997), S. 657-665 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disorder characterised by tumours of the parathyroids, pancreas and anterior pituitary. The MEN1 gene has been localised to a 2-Mb region of chromosome 11q13 by meiotic mapping studies in MEN1 families. Such studies may have a limited resolution of approximately 1 cM (i.e. 1 Mb) and we have therefore investigated 96 MEN1 families (40 British, 17 French, 12 Finnish, 7 Swedish, 7 Dutch, 7 North American, 2 Australian, 1 New Zealand, 1 German, 1 Spanish and 1 Danish) for linkage disequilibrium, in order to facilitate a finer mapping resolution. We have utilised five microsatellite DNA sequence polymorphisms from the candidate region and have accurately determined their allele sizes, which ranged from 161 bp to 272 bp. The heterozygosity and number of alleles (given in brackets), respectively, at the loci were: D11S1883 (76%, 11), D11S457 (55%, 5), PYGM (94%, 18), D11S1783 (10%, 4) and D11S449 (87%, 16). Allelic association was assessed by Chi-square 2 ×n contingency tables, by Fisher exact 2 ×n contingency tables and by a likelihood-based approach. The results of haplotype analysis revealed 91 different affected haplotypes in the 96 families, an identical affected haplotype being observed in no more than two families. These results indicate the absence of an ancestral affected haplotype. Significant linkage disequilibrium (P 〈 0.005) could be established amongst the microsatellite loci but not between the loci and MEN1 in either the total population or in any of the geographical sub-populations. The absence of linkage disequilibrium between MEN1 and the polymorphic loci is probably the result of the occurrence of multiple different disease-causing mutations in MEN1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004390050569
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  • 8
    Electronic Resource
    Electronic Resource
    Mapping of the gene encoding the B56β subunit of protein phosphatase 2A (PPP2R5B) to a 0.5-Mb region of chromosome 11q13 and its exclusion as a candidate gene for multiple endocrine neoplasia type 1 (MEN1) (1997)
    Springer
    Human genetics 〈Berlin〉 100 (1997), S. 481-485 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The multiple endocrine neoplasia type 1 (MEN1) locus has been previously localised to 11q13 by combined tumour deletion mapping and recombination studies, and a 0.5-Mb region, flanked by PYGM and D11S449, has been defined. In the course of constructing a contig, we have identified the location of the gene encoding the B56β subunit of protein phosphatase 2A (PP2A), which is involved in cell signal transduction pathways and thus represents a candidate gene for MEN1. We have searched for mutations in the PP2A-B56β coding region, together with the 5′ and 3′ untranslated regions in six MEN1 patients. DNA sequence abnormalities were not identified and thus the PP2A-B56β gene is excluded as the candidate gene for MEN1. However, our precise localisation of PP2A-B56β to this region of 11q13 may help in elucidating the basis for other disease genes mapping to this gene-rich region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004390050538
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  • 9
    Electronic Resource
    Electronic Resource
    Total determination of metal-binding carbohydrates in plant extracts by using FIA with electrochemical detection (2000)
    Springer
    Fresenius' journal of analytical chemistry 367 (2000), S. 356-358 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract FIA with pulsed amperometric detection (PAD) is used for the determination of metal-binding carbohydrates in plant extracts. Results of direct FIA measurements agree very well with those of corresponding HPLC-PAD analyses. The proposed method is used to determine total carbohydrates in isolated low-molecular-weight fractions of plant roots, which have been obtained after extraction at different pH values. The results are compared with those obtained by corresponding metal determinations (Ca, Mg, Zn, Mn) by AAS and also with constant potential amperometric detection at a copper working electrode. The latter detection mode is more sensitive, but less selective for carbohydrates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160000386
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  • 10
    Electronic Resource
    Electronic Resource
    Characterization of low-molecular-weight metal species in plant extracts by using HPLC with pulsed amperometric detection and cyclic voltammetry (1998)
    Springer
    Fresenius' journal of analytical chemistry 362 (1998), S. 209-214 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract An analytical separation scheme is presented for the isolation of low-molecular-weight metal species (〈 10 kDa) in plants. After ultrafiltration of the aqueous plant extracts isotachophoresis or gel chromatography is used for pre-separation and HPLC at a cyclodextrin-phase for further separation of metal containing fractions. Trace metals are detected off-line by using either adsorptive stripping voltammetry for platinum or AAS for zinc and magnesium. It is shown that platinum and zinc detection closely correlate with pulsed amperometric detection (PAD), while magnesium behaves differently. PAD is carried out after post-column addition of sodium hydroxide, thus enabling a sensitive and selective detection of carbohydrates. It is demonstrated that cyclic voltammetry is a useful tool for further characterization of the PAD-detectable metal species. By comparison of the cyclic voltammograms of carbohydrate standards, including carbohydrate-metal species, with the respective voltammograms obtained from HPLC fractions, carbohydrate species isolated from the samples can be considered as being either partly oxidized sugars (sugar alcohols or sugar acids) or glycosidically bound sugars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160051061
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