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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 43 (1995), S. 662-666 
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0789
    Keywords: Bacillus cereus ; Calcareous soil ; Electro-ultrafiltration ; P-Mobilization ; Phosphorus Uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effects of phosphate-solubilizing bacteria on the phosphorus mobilization and P utake by Lolium multiflorum from a calcareous soil were investigated using a greenhouse pot experiment. The soil was inoculated with Bacillus cereus and the pots were either planted with Lolium multiflorum or left fallow. Treatments were designed to study the effect of inoculation of phosphate-solubilizing bacteria on phosphorus dynamics throughout the experiment. The dynamics were studied by the electro-ultrafiltration method, the results of which were used to interpret phosphorus mobilization in the soil. Phosphate uptake by L. multiflorum from the inoculated soil showed a 40% increase over the control soil, and an increase in total dry matter of 50%.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 17 (1983), S. 0 
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 57 (1992), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Effect of soaking (distilled water, 0.1% citric acid (CA) and 0.07% sodium bicarbonate (SB) solutions), and cooking (distilled water) was studied on dietary fiber components of lentils. A high increase of protopectin, total pectic substances (PS), and dietary fiber (DF) was observed in soaked lentils (dry matter basis). Soaking in CA and in SB solutions led to an appreciable increase of hemicellulose (HMC) and neutral detergent fiber, but not in lentils soaked in water. Cooking the previously soaked lentils, reduced the amount of DF, due to a drastic loss of HMC, although cellulose and lignin increased. PS content of cooked lentils, previously soaked in CA and SB was still higher than in raw lentil.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 52 (1987), S. 2166-2170 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1540-8167
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Differences in P Wave Filtering Techniques. introduction: The advent of signal-averaged ECG (SAECG) systems for P wave analysis has made it important to determine if the use of different filtering techniques in these systems is diagnostically equivalent. Methods and Results: Three different high-pass filtering techniques and two cutoff frequency values were used: 29- and 40-Hz Butterworth bidirectional filter (BB29, BB40), 29-and 40-Hz Butterworth unidirectional filter (UB29, UB40), and 29- and 40-Hz least mean square filter (LIV1S29, LMS40). Normal healthy volunteers (n = 36) and patients with documented paroxysmal atrial fibrillation (n = 23) were analyzed. A custom-built SAECG system and standard bipolar orthogonal leads were used. Noise was reduced to 〈 0.3 μV. P wave total duration, root mean square voltage of the terminal 20, 30, and 40 msec of the filtered vector magnitude, and the area under the curve between the onset and offset of averaged unfiltered and filtered P wave vector magnitude were analyzed. Only the duration of the P wave showed statistically significant differences between groups, being longer in the PAF group for all filters and cutoff frequencies studied. A bias increment of -20 msec was detected in unidirectional and least mean square filters as compared to the bidirectional filter. Sensitivity, specificity, and predictive accuracy were 〉 70% for all filters; the BB40 filter yielded the best performance. Conclusion: The normality limits derived from one filter cannot be applied directly to recordings obtained from the other filters. Critical limits must be established individually for different software settings.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    350 Main Street , Malden , MA 02148-5018 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Science Inc
    Journal of cardiovascular electrophysiology 15 (2004), S. 0 
    ISSN: 1540-8167
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Introduction: Repolarization heterogeneity has been shown to constitute a substrate for malignant ventricular arrhythmias. Noninvasive measurement of abnormal repolarization through assessment of QT interval dispersion from the resting standard 12-lead ECG initially had shown promise in assessing arrhythmia risk but was challenged recently. The relative T wave residuum (TWR) has been proposed recently to reflect regional repolarization dispersion more accurately. We analyzed the role played by the dipolar and nondipolar components in determining TWR. Methods and Results: Singular value decomposition was applied to the repolarization signals obtained from isolated rabbit hearts using a 5 × 8 array multielectrode recording system during premature beats (N = 11) and after d-sotalol (N = 9) exposure. Both the dipolar and nondipolar components of the T wave increased significantly during premature stimulation and after d-sotalol exposure. The relative TWR decreased significantly during premature stimulation but did not change after d-sotalol. Changes in the dipolar and nondipolar components of the second half of the T wave were significantly greater than those corresponding to the first half during premature stimulation, and a significant correlation was observed between the nondipolar components of the second half of the T wave and the Tpeak–end interval. Conclusion: Conditions exist during which both the dipolar and nondipolar components can change simultaneously. Under these conditions, the relative TWR may not reflect regional heterogeneity of repolarization with accuracy. The nondipolar components of the second half of the T wave can be linked to assessment of the transmural dispersion of repolarization. (J Cardiovasc Electrophysiol, Vol. 15, pp. 356-363, March 2004)
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 55 (1990), S. 2332-2336 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aim : To estimate the cost-effectiveness of therapy and analyse the effect of therapy compliance in naive patients with chronic hepatitis C.Methods : A decision analysis using the Markov model was performed for four different therapeutic strategies using peginterferon alfa-2b plus ribavirin or interferon alfa-2b plus ribavirin. Clinical data were obtained from available published reports and from the Spanish health system perspective.Results : The incremental cost-effectiveness ratio of peginterferon alfa-2b plus ribavirin at a fixed dose, compared with interferon alfa-2b plus ribavirin, was 8478 euros per life year saved and 3737 euros per quality-adjusted life year gained. Good therapeutic compliance and weight-adjusted doses of ribavirin decreased the incremental cost-effectiveness ratio to 1636 euros per life year saved and 721 euros per quality-adjusted life year gained. In compliant genotype 1 patients, the incremental cost-effectiveness ratio decreased to 916 euros per life year saved and 404 euros per quality-adjusted life year gained, with an increase from 64 to 69 years in the threshold age at which therapy was cost-effective. The sensitivity analysis demonstrated that changes in the values of the most relevant parameters do not modify the study outcomes.Conclusion : From the clinical and pharmaco-economics perspective, the use of decision therapeutic analysis models suggests that the most effective therapy for chronic hepatitis C is peginterferon alfa-2b plus ribavirin adjusted to patient body weight and with good compliance, particularly in genotyped patients.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Norfloxacin decreases the incidence of spontaneous bacterial peritonitis in cirrhotics, but promotes the appearance of quinolone-resistant Escherichia coli.Aim : To define the characteristics of quinolone-resistant E. coli spontaneous bacterial peritonitis.Methods : E. coli-positive ascitic fluid cultures were identified during a 6-year period. Data on quinolone-sensitive and quinolone-resistant E. coli spontaneous bacterial peritonitis were compared.Results : One hundred and two E. coli-positive ascitic fluid cultures were detected. Cirrhotics accounted for 67 cases. Spontaneous bacterial peritonitis was found in 47 of the 67 (70%) cases [35 (74%) caused by quinolone-sensitive and 12 (26%) caused by quinolone-resistant E. coli]. Norfloxacin prophylaxis was higher in the quinolone-resistant group (92% vs. 6%, P 〈 0.001). Compared with patients with quinolone-sensitive E. coli spontaneous bacterial peritonitis, those with quinolone-resistant E. coli spontaneous bacterial peritonitis showed a higher prevalence of associated immunosuppressive factors (immunosuppressive drugs, human immunodeficiency virus infection or cancer) (92% vs. 20%, P 〈 0.001). Steroid therapy was independently associated with quinolone-resistant E. coli spontaneous bacterial peritonitis (odds ratio, 49; 95% confidence interval, 3.4–699; P = 0.004). The Child–Pugh score (P = 0.03), immunosuppression (P = 0.02) and renal failure (P = 0.01) were independent predictors of E. coli spontaneous bacterial peritonitis-related mortality.Conclusions : Associated immunosuppression is an important co-factor for the development of quinolone-resistant E. coli spontaneous bacterial peritonitis and for E. coli spontaneous bacterial peritonitis-related mortality.
    Type of Medium: Electronic Resource
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