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  • 1
    Digitale Medien
    Digitale Medien
    Guide to the sources of Asian history: India 3.1: National Archives : New Delhi, National Archives of India, 1987 (1991)
    Cambridge : Cambridge University Press
    Bulletin of the School of Oriental and African Studies 54 (1991), S. 241-242 
    Details
    ISSN: 0041-977X
    Quelle: Cambridge Journals Digital Archives
    Thema: Ethnologie , Geschichte
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1017/S0041977X00010612
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  • 2
    Digitale Medien
    Digitale Medien
    Experimental manganese lymphadenopathy in guinea pigs (1976)
    Springer
    Archives of toxicology 36 (1976), S. 151-157 
    Details
    ISSN: 1432-0738
    Schlagwort(e): Manganese lymphadenopathy ; Lymph nodes ; Guinea pigs
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Zusammenfassung Durch intratracheale Applikation von Mangandioxid (50 mg/300 g Körpergewicht) wurde bei Meerschweinchen eine experimentelle Lymphadenopathie erzeugt und die histopathologischen Veränderungen in den tracheobronchialen Lymphknoten bis zu 180 Tagen beobachtet. Es wurde ein langsamer extrazellulärer Transport des Manganstaubes in die Lymphknoten gefunden, der in der Anfangsphase zu keinerlei signifikanten Reaktionen führte. In einer späteren Phase zeigten die Lymphknoten jedoch eine signifikante Zunahme in der Verteilungsdichte der Staubpartikel und Reaktionen wie Phagozytose, Degeneration staubbeladener Makrophagen, geringfügige Proliferation von Fibroblasten mit einer der Ablagerung von Staubpartikeln entsprechenden Reticulinose. Die Bedeutung dieser Beobachtungen wird unter dem Gesichtspunkt der chronischen Toxizität diskutiert.
    Notizen: Abstract Experimental manganese lymphadenopathy was produced in guinea pigs by intratracheal inoculation of manganese dioxide (50 mg/300 g body weight) and histopathologic changes in the tracheobronchial lymph nodes were studied up to 180 days. There was slow extracellular transport of manganese dust into the nodes, which did not provoke any significant reaction at early periods. However, at later periods the nodes exhibited a significant increase in the density of dust particles and the reaction consisted of phagocytosis, degeneration of dust laden macrophages, slight proliferation of fibroblasts, together with some reticulinosis corresponding to deposits of dust particles. The significance of these findings have been discussed from the chronic toxicity viewpoint.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00351975
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  • 3
    Digitale Medien
    Digitale Medien
    Cattle Mortality in the Thane District, India: A Study of Cause/Effect Relationships (1996)
    Springer
    Archives of environmental contamination and toxicology 30 (1996), S. 292-297 
    Details
    ISSN: 1432-0703
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Energietechnik , Medizin
    Notizen: Abstract. An unexpected mortality of more than 300 cattle was investigated near a metal recovery factory located in a rural area of the Thane district of India. The factory was engaged in reclaiming lead, aluminium, tin, and zinc from discarded lead storage batteries and soft drink cans. The environmental samples (soil, leaves, grass, slag, water, and sediment), human blood and hair and animal samples (blood, urine, peritoneal fluid, liver, kidney, cow dung, ribs, and femur), collected for analysis revealed toxic levels of lead, cadmium, and chromium. Clinical examination of factory workers and school children revealed cough, fever, gastric problems, abdominal pain, skin lesions (scabies), and blue line on gums. Histopathological examination of animal tissues revealed chronic pathology with lead inclusion bodies in hepatocytes and renal tubules. Based on environmental, clinical, analytical, and histopathological observations, the mortality has been attributed to toxic levels of metals in the body and the malnourished status of the animals.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00215811
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  • 4
    Digitale Medien
    Digitale Medien
    Cattle mortality in the Thane district, India: A study of cause/effect relationships (1996)
    Springer
    Archives of environmental contamination and toxicology 30 (1996), S. 292-297 
    Details
    ISSN: 1432-0703
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Energietechnik , Medizin
    Notizen: Abstract An unexpected mortality of more than 300 cattle was investigated near a metal recovery factory located in a rural area of the Thane district of India. The factory was engaged in reclaiming lead, aluminium, tin, and zinc from discarded lead storage batteries and soft drink cans. The environmental samples (soil, leaves, grass, slag, water, and sediment), human blood and hair and animal samples (blood, urine, peritoneal fluid, liver, kidney, cow dung, ribs, and femur), collected for analysis revealed toxic levels of lead, cadmium, and chromium. Clinical examination of factory workers and school children revealed cough, fever, gastric problems, abdominal pain, skin lesions (scabies), and blue line on gums. Histopathological examination of animal tissues revealed chronic pathology with lead inclusion bodies in hepatocytes and renal tubules. Based on environmental, clinical, analytical, and histopathological observations, the mortality has been attributed to toxic levels of metals in the body and the malnourished status of the animals.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00215811
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  • 5
    Digitale Medien
    Digitale Medien
    Pathobiochemical response of tracheobronchial lymph nodes following intratracheal instillation of Polyvinylchloride dust in rats (1991)
    Springer
    Archives of toxicology 65 (1991), S. 510-517 
    Details
    ISSN: 1432-0738
    Schlagwort(e): Polyvinylchloride (PVC) dust ; Intratracheal instillation ; Tracheobronchial lymph nodes (TBLN) ; Pathobiochemical response ; Long-term toxicity ; Rat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract PVC dust, following a single intratracheal instillation (25 mg/rat), was substantially cleared through the lymphatic circulation and progressively accumulated in the tracheobronchial lymph nodes (TBLN) in a time-dependent manner for up to 1 year. The tissue response in TBLN during 60–270 days post-instillation of PVC dust was characterized by progressive increase in total organ fresh weight, dry weight, DNA, RNA and protein contents, concurrent with the proliferation of macrophages and hyperplasia of reticular cells. Active phagocytosis and enhanced hydrolytic activity in TBLN was evident around 270 days post-instillation by the appearance of PVC-laden macrophages near and within the dust foci, and increased activity of acid phosphatase, DNAse, RNAse and β-glucuronidase. PVC dust caused degeneration of macrophages, and consequent release of hydrolytic enzymes resulted in limited cytotoxicity without inducing reticulination and fibrosis in the TBLN. The histology and clinical biochemistry of liver, kidney, spleen and serum were not altered and there were no detectable PVC particles in these tissues at up to 365 days. It is therefore concluded that lymphatic clearance of intratracheally instilled PVC dust results in its accumulation and mild foreign body reaction in TBLN which is non-fibrogenic at up to 365 days post-instillation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01977366
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  • 6
    Digitale Medien
    Digitale Medien
    Comparative efficieny of Rhizobium/Bradyrhizobium spp. strains in nodulating Cajanus cajan in relation to characteristic metabolic enzyme activities (1997)
    Springer
    Biology and fertility of soils 24 (1997), S. 283-287 
    Details
    ISSN: 1432-0789
    Schlagwort(e): Key wordsBradyrhizobium ; Rhizobium ; Pigeon pea ; Cajanus cajan ; Acetylene reduction assay ; Symbiotic ; effectiveness ; Fast-growing strains ; Nodulation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Geologie und Paläontologie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Abstract The comparative symbiotic properties of Rhizobium spp. and Bradyrhizobium spp. strains infecting pigeon pea were evaluated. Bradyrhizobium strains (Cajanus) were found to be superior to Rhizobium strains (Cajanus) and the superiority was ascertained to be due to the higher enzyme activity of the tricarboxylic acid (TCA) cycle in comparison to Rhizobium spp. strains. Moreover, metabolic superiority or rapid growth rate does not necessarily correlate with symbiotic effectiveness. The symbiotic performance of isolates varied with the host cultivar. The dry matter accumulation could be correlated with the total acetylene reduction activities rather than nodule number or nodule fresh weight per plant.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003740050244
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  • 7
    Digitale Medien
    Digitale Medien
    Pulmonary fibrogenic response of guinea pigs to amosite dust (1973)
    Springer
    International archives of occupational and environmental health 31 (1973), S. 51-59 
    Details
    ISSN: 1432-1246
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The fibrogenic response of amosite variety of asbestos was studied in lungs of guinea pigs over a period of 300 days. Histologically there was marked reticulin fibrosis but the maturation into collagen was slow. Biochemical estimation revealed significant increase of hydroxyproline and glycosamine contents. Total lung protein was also found to be higher in the amosite treated animals reaching maximum at 90 days. The significance of these findings have been discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00538973
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  • 8
    Digitale Medien
    Digitale Medien
    Aspherical 4f-shell effects in rare-earth metals: Electric field gradient at Dy probe nuclei (1997)
    Springer
    Hyperfine interactions 108 (1997), S. 515-526 
    Details
    ISSN: 1572-9540
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Systematic DPAC measurements of the electric field gradient at Dy in very low concentration in pure Pr, Nd, Gd, Tb, Dy, Ho and Er metals in the paramagnetic phase have shown for the first time the host associated aspherical 4f-shell effects. The results are compared with the presently available first-principles based calculations of the electric field gradient and crystalline electric field parameters of rare-earth ions in rare-earth metals and alloys. The observed 4f-spin relaxation time of Dy ion in rare-earth metals is of the order of 2 ps.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1012664224622
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  • 9
    Digitale Medien
    Digitale Medien
    Measurement of the Electric Quadrupole Moment of the 9/2− and 21/2− Isomers in 173Ta (2000)
    Springer
    Hyperfine interactions 131 (2000), S. 103-109 
    Details
    ISSN: 1572-9540
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The electric quadrupole moments of the 9/2− and 21/2− isomeric states of 173Ta at 165.8 keV and 1713.2 keV, respectively, were measured as Q(9/2−)=2.92(15) b and Q(21/2−)=6.23(18) b for the first time using the TDPAD technique. A 66 MeV pulsed 12C ion beam from the 15UD pelletron accelerator facility of the Nuclear Science Centre at New Delhi was used in the reaction 165Ho(12C, 4nγ)173Ta. The experimental values of equilibrium deformations β2(9/2−)=0.251(7) and β2(21/2−)=0.391(7) were extracted.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1010957823720
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  • 10
    Digitale Medien
    Digitale Medien
    Grafting onto wool. XI. Graft copolymerization of poly(vinyl acetate) and poly(methyl acrylate) onto reduced wool in presence of potassium persulfate-ferrous ammonium sulfate (KPS - FAS) system as redox initiator (1981)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 26 (1981), S. 3789-3796 
    Details
    ISSN: 0021-8995
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: In an attempt to ascertain the role of - SH groups of Himachali wool during graft copolymerization, poly(viny acetate) (PVAc) and poly(methyl acrylate) (PMA) were graft copolymerized onto reduced wool by using potassium persulfate - ferrous ammonium sulfate (KPS - FAS) redox pair in aqueous medium. Reduction of wool was carried out by sodium bisulfite solution of varying concentrations for different reaction periods. Concentration of reducing agent and the extent of reduction were found to influence grafting of vinyl monomers. Maximum grafting of methyl acrylate (MA) and vinyl acetate (VAc) occurred when wool was reduced by 1% and 0.5% NaHSO3 solution, respectively, for 24 h. Increase in percent grafting of MA onto reduced wool compared to that of unreduced wool has been ascribed to the production of more - SH groups by reduction of - SS - groups of wool fiber.
    Zusätzliches Material: 4 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/app.1981.070261125
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