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  • 11
    Electronic Resource
    Electronic Resource
    Effect of chronic alloxan diabetes and insulin treatment on adipose tissue lipid composition of rats (1977)
    Springer
    Cellular and molecular life sciences 33 (1977), S. 22-23 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Decreased content of the adipose tissue lipids was observed in chronic alloxan diabetic rats and was restored to normal with insulin treatment. Prolonged insulin treatment in normal rats also resulted in increase of the lipid content of the adipose tissue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01936729
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  • 12
    Electronic Resource
    Electronic Resource
    Effect of chronic hypo and hypervitaminosis C on the brush border enzymes and the intestinal uptake of glucose and alanine (1979)
    Springer
    Cellular and molecular life sciences 35 (1979), S. 1057-1058 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Brush border sucrase and alkaline phosphatase activities are considerably enhanced in the intestine of ascorbic acid deficient guinea-pigs. Similar increase in the uptake of D-glucose and L-alanine also occurs in chronic vitamin C deficiency. However the permeability of D-glucose and L-alanine in the intestine of animals fed with large doses of vitamin C is severely depressed, with a reduction in the levels of sucrase and alkaline phosphatase activities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01949938
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  • 13
    Electronic Resource
    Electronic Resource
    Subchronic malathion treatment effects on rat intestinal functions (1984)
    Springer
    Bulletin of environmental contamination and toxicology 33 (1984), S. 289-294 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01625545
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  • 14
    Electronic Resource
    Electronic Resource
    Characterization of soil-fertilizer P reaction products and their evaluation as sources of P for gram (Cicer arietinum L.) (1996)
    Springer
    Nutrient cycling in agroecosystems 46 (1996), S. 71-79 
    Details
    ISSN: 1573-0867
    Keywords: ammonium poly-phosphate ; diammonium orthophosphate ; fertilizer reaction ; gram ; Indian soils ; phosphorus ; P uptake ; single superphosphate ; triple superphosphate ; yield
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Laboratory studies on the characterization of soil-fertilizer P reaction products were carried out by reacting three-soils occurring in a toposequence in the plateau region of Bihar (India) with saturated solutions of diammonium orthophosphate (DAP), triple superphosphate (TSP) and ammonium polyphosphate (APP) for 1 hour and 24 hours. The reaction products (precipitates) formed in the solutions after 120 days of incubation were isolated and identified through X-ray diffraction technique. Results indicate the formation of Brushite [CaHPO4 · 2H2O, Strengite (FePO4 · 2H2O), Variscite (AIPO4 · 2H2O) and Fe4(P2O7)3 as major soil-fertilizer P reaction products in these soils with ortho-and polyphosphates as source of phosphorus. Pot cultures were used to evaluate the relative efficiency of reaction products (Struvite, Brushite, Variscite and Strengite), orthophosphates (DAP and SSP) and polyphosphate (APP) as sources of P for gram (Cicer arietinum L.) in a typical acid soil. Results indicate significant response of gram to different sources and level of added P. The dry weight and P uptake at 0, 6 and 12 mg P kg-1 soil were 0.406, 0.519 and 0.609 (g pot-1); and 0.289, 0.428 and 0.575 (mg P pot-1), respectively. Among the sources , struvite proved to be superior or equally effective as APP, DAP or SSP as sources of P for gram. Uptake of P also varied significantly with different P sources and levels of P application. Strengite was least effective in enhancing yield and P uptake by the crop.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00210225
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  • 15
    Electronic Resource
    Electronic Resource
    A physico-chemical study of the action of lime on coal-tars (1953)
    Springer
    Colloid & polymer science 132 (1953), S. 24-30 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Es wurde die Wirkung von Kalk auf verschiedene Kohlenteerarten untersucht. Man verwendet derartige Mischungen bei der Präparation von Brikettbinde-Stoffen und Straßendeckmaterialien. Es zeigen sich im Mikroskop, ültramikroskop und elektronenmikroskopisch Unterschiede. Auch die Destillationsrückstände verhalten sich verschieden. Kalkbehandelte Teere geben kein Pech, sondern ein poröses koksähnliches Material, das sich im Röntgendiagramm unterscheidet. Auf Grund der Ergebnisse wird versucht, das starke Anwachsen von Viskosität und Bindekraft nach der Kalkeinwirkung auf Teere zu erklären.
    Notes: Summary The action of lime on coal tars, especially the vertical retort and producer gas tars, has beenstudied physicochemically. The reaction finds its use in the preparation of fuel briquette binders and road surfacing materials. Lime-treated and normal tars have been studied by means of the microscope, the ultramicroscope and the electron-microscope. Lime-treated tar has been distilled and the distillate and residue compared with those of the normal tar. The distillation residue from the limetreated tar was not pitch but a porous coke-like material. The X-ray diffraction patterns of the pitch and this coke-like residue have been compared. Finally, an attempt has been made to explain the increase in viscosity and binding power of a producer gas or vertical retort tar on treatment with lime on the basis of the experimental evidence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01512050
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  • 16
    Electronic Resource
    Electronic Resource
    An electron-microscopic study of the colloidal structure of coal tars (1953)
    Springer
    Colloid & polymer science 130 (1953), S. 116-120 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Dispersionen von verschiedensten Teeren in Nitrobenzol wurden elektronenmikroskopisch untersucht. Es ergaben sich Mizellen verschiedenster Größen und in einigen Fällen auch von verschiedener Form. Es wurde versucht, Zusammenhänge dieser unterschiedlichen mizellaren Struktur der Teere mit ihrem für die Anwendungen wichtigen Bindevermögen zu erschließen.
    Notes: Summary Dispersions of a few different tars, viz. horizontal retort, vertical retort, coke-oven and producer-gas tars, in nitrobenzene were examined with the help of electronmicroscope. The colloidal micelles in each were found to be different in size and, in some cases, shape as well. An attempt has been made to explain the difference in binding properties, that is, their binding power for road aggregates and coke breeze or coal slurry for briquettes, by studying the micelle structure of the different tars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01519802
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  • 17
    Electronic Resource
    Electronic Resource
    Design of liposomes to improve delivery of amphotericin-B in the treatment of aspergillosis (1989)
    Springer
    Molecular and cellular biochemistry 91 (1989), S. 85-90 
    Details
    ISSN: 1573-4919
    Keywords: liposome ; aspergillosis ; mannose ; amphotericin-B
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The efficacy and toxicity of free and liposome intercalated amphotericin-B (Amp-B) in controlling Aspergillosis, caused byAspergillus fumigatus in BALB/c mice were studied. Liposomal Amp-B had higher LD50 (8.1 mg/kg) as compared to that of the free drug (1.2 mg/kg). An improvement in the therapeutic index of the drug was observed with liposomal formulation of the drug. We also focussed on the effect of lipid composition and surface sugar in modulating the therapeutic potency of Amp-B. The most effective liposomal preparation was composed of egg phosphatidylcholine (EPC) : L-α-phosphatidylethanolamine, dipalmitoyl (DPPE): cholesterol (Chol) in the molar ratio of 6:1:3. Amp-B intercalated into mannose grafted liposomes (LD50 = 9.3 mg/kg) was more effective as compared to the other formulation tested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00228082
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  • 18
    Electronic Resource
    Electronic Resource
    Hydration/dehydration characteristics of struvite and dittmarite pertaining to magnesium ammonium phosphate cement systems (1991)
    Springer
    Journal of materials science 26 (1991), S. 2514-2518 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Struvite, an important reaction product in magnesium ammonium phosphate cement systems, was synthesized in the laboratory. The elevated-temperature dehydration and then roomtemperature hydration characteristics of the dehydrated products were studied by thermogravimetric analyses and X-ray diffraction techniques. From isothermal experiments, struvite is found to be thermally unstable in air at temperatures above 50
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01130204
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  • 19
    Electronic Resource
    Electronic Resource
    Wet-only and bulk deposition studies at New Delhi (India) (1995)
    Springer
    Water, air & soil pollution 85 (1995), S. 2137-2142 
    Details
    ISSN: 1573-2932
    Keywords: Wet-only ; Bulk samples ; Neutralization factors ; Soil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Rain water samples were collected at New Delhi during the monsoon of 1994 at a height of 30 m above the ground level using a wet-only collector. Simultaneously, bulk samples from two different heights at 30 m and 13 m were collected. Frequency distribution of pH in wet-only samples revealed that rain was mostly alkaline Four out of 23 events were observed to be acidic where the ratio of (Ca+Mg+NH4)/(SO4+NO3) was very low. pH and ionic constituents were higher in bulk samples than in wet-only samples. On an average, the concentration in bulk samples at 30m height exceeded the wet-only samples by 13% while bulk samples collected at 13m height had 19% higher concentration than the bulk samples at 30m height and 32% higher than wet-only. The acidity of ram water was mainly contributed by sulphuric acid rather than nitric acid. At the height of 30 m, the acidity was primarily neutralized by NH4 while at 13 m height, it was buffered by Ca and Mg indicating the influence of dust particles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186150
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  • 20
    Electronic Resource
    Electronic Resource
    A study on short-time sampling of individual rain events at New Delhi during monsoon, 1994 (1995)
    Springer
    Water, air & soil pollution 85 (1995), S. 2143-2148 
    Details
    ISSN: 1573-2932
    Keywords: rain event ; pH ; intensity ; crustal ; antecedent periods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Rain water samples of equal volume (50 mL) were collected from two couvective showers at New Delhi on 28 July and 23 August during the monsoon, 1994. The variation of constituents of both the showers showed different trends which might have been due to different antecedent periods. The first shower occurred after an antecedent period of 2–3 hours while the second shower occurred after a 14 day interval. The first shower had acidic pH (〈5.6) and relatively higher concentration of NH4, SO4, NO3, Cl, F and K indicating insignificant below cloud scavenging. The second shower had alkaline pH (〉5.6) and relatively higher concentrations of Ca and Mg. The higher concentration of Ca and Mg in the second shower were due to the loading with particulate matter during the preceding 14 days which made below cloud scavenging significant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186151
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