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  • 1
    Electronic Resource
    Electronic Resource
    Synthesis and characterization of neutral MVO (M = technetium, rhenium) amine-thiol complexes containing a pendant phenylpiperidine group (1993)
    s.l. : American Chemical Society
    Inorganic chemistry 32 (1993), S. 3114-3124 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic00066a025
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  • 2
    Electronic Resource
    Electronic Resource
    A μ-Oxo-bis[iron(III) porphyrin] Complex (1995)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 2252-2255 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270195005701
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  • 3
    Electronic Resource
    Electronic Resource
    RFLP analysis of the MHC class III region defines unique haplotypes for the non-obese diabetic, cataract Shionogi and the non-obese non-diabetic mouse strains (1993)
    Springer
    Diabetologia 36 (1993), S. 727-733 
    Details
    ISSN: 1432-0428
    Keywords: MHC class III region ; non-obese diabetic mouse ; non-obese non-diabetic mouse ; cataract Shionogi mouse ; Type 1 (insulin-dependent) diabetes mellitus ; restriction fragment length polymorphisms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The non-obese diabetic (NOD) mouse strain which spontaneously develops diabetes is a model for human Type 1 (insulin-dependent) diabetes mellitus. At least one of several genes controlling diabetes in the NOD mouse has been mapped to the MHC. Although previous experiments have implicated the MHC class II genes in the development of the disease, the existence of other MHC linked susceptibility genes has not been ruled out. In order to identify these susceptibility genes we have further characterized the MHC haplotype of the NOD mouse and two non-diabetic sister strains, the non-obese non-diabetic (NON) and cataract Shionogi (CTS). We have examined the mouse MHC class III region for the presence of homologous genes to 17 newly isolated human MHC class III region genes (G1, G2, G4, G6, G7a/valyl-tRNA synthetase, HSP70, G8, G9, G10, G12, G13, G14, G15, G16, G17 and G18). We detect unique hybridizing DNA fragments for 16 of the 17 genes in six inbred mouse strains (NOD, NON, CTS, B10, BALB/c and CBA/J) indicating that this part of the H-2 region is similar to the human MHC class III region. Using a panel of restriction enzymes we have defined RFLPs for 6 (G2, G6, HSP70, G12, G16, G18) of the 16 cross-hybridizing probes. The RFLPs demonstrate that NOD, NON and CTS mouse strains each have a distinct MHC haplotype in the MHC class III region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00401143
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  • 4
    Electronic Resource
    Electronic Resource
    Production of β-galactosidase from thermophilic fungus Rhizomucor sp (1997)
    Springer
    Journal of industrial microbiology and biotechnology 19 (1997), S. 239-245 
    Details
    ISSN: 1476-5535
    Keywords: Keywords: β-galactosidase; thermophilic fungus; Rhizomucor; extracellular; solid state fermentation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A thermostable β-galactosidase was produced extracellularly by a thermophilic Rhizomucor sp, with maximum enzyme activity (0.21 U mg−1) after 4 days under submerged fermentation condition (SmF). Solid state fermentation (SSF) resulted in a nine-fold increase in enzyme activity (2.04 U mg−1). The temperature range for production of the enzyme was 38–55°C with maximum activity at 45°C. The optimum pH and temperature for the partially purified enzyme was 4.5 and 60°C, respectively. The enzyme retained its original activity on incubation at 60°C up to 1 h. Divalent cations like Co2+, Mn2+, Fe2+ and Zn2+ had strong inhibitory effects on the enzyme activity. The K m and V max for p-nitrophenyl-β- D-galactopyranoside and o-nitrophenyl-β - D-galactopyranoside were 0.39 mM, 0.785 mM and 232.1 mmol min−1 mg−1 respectively. The K m and V max for the natural substrate lactose were 66.66 μM and 0.20 μ mol min−1 mg−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/sj.jim.2900452
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  • 5
    Electronic Resource
    Electronic Resource
    Allelic association between a Ser-9-Gly polymorphism in the dopamine D3 receptor gene and schizophrenia (1996)
    Springer
    Human genetics 〈Berlin〉 97 (1996), S. 714-719 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We examined a Ser-9-Gly polymorphism in the dopamine D3 receptor gene for allelic association with schizophrenia in 133 patients currently treated with clozapine and 109 controls. Allele 1 (Ser-9) was significantly more frequent in the patients (69%) than in the controls (56%) (P = 0.004). The 1-1 genotype was more common (43% vs 30%) and the 2-2 genotype less common (5% vs 18%) in patients than in controls. When the patient group was subdivided on the basis of clinical response to clozapine, using a 20-point improvement in the global assessment scale as cut-off, genotype 1-1 was found to be more frequent among the non-responders (53% vs 36%,P = 0.04). To place our results in the context of previous studies of this polymorphism and schizophrenia, we performed a meta-analysis of all published data including the present sample. The combined analysis shows evidence for a modest association between genotype 1-1 and schizophrenia (odds ratio 1.25, 95% confidence interval 1.05–1:49,P = 0.01). These results suggest that the Ser-9 allele, or a nearby polymorphism in linkage disequilibrium, results in a small increase in susceptibility to schizophrenia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02346178
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  • 6
    Electronic Resource
    Electronic Resource
    Allelic association between a Ser-9-Gly polymorphism in the dopamine D3 receptor gene and schizophrenia (1996)
    Springer
    Human genetics 〈Berlin〉 97 (1996), S. 714-719 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We examined a Ser-9-Gly polymorphism in the dopamine D3 receptor gene for allelic association with schizophrenia in 133 patients currently treated with clozapine and 109 controls. Allele 1 (Ser-9) was significantly more frequent in the patients (69%) than in the controls (56%) (P = 0.004). The 1-1 genotype was more common (43% vs 30%) and the 2-2 genotype less common (5% vs 18%) in patients than in controls. When the patient group was subdivided on the basis of clinical response to clozapine, using a 20-point improvement in the global assessment scale as cut-off, genotype 1-1 was found to be more frequent among the non-responders (53% vs 36%, P = 0.04). To place our results in the context of previous studies of this polymorphism and schizophrenia, we performed a meta-analysis of all published data including the present sample. The combined analysis shows evidence for a modest association between genotype 1-1 and schizophrenia (odds ratio 1.25, 95% confidence interval 1.05– 1.49, P = 0.01). These results suggest that the Ser-9 allele, or a nearby polymorphism in linkage disequilibrium, results in a small increase in susceptibility to schizophrenia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004390050125
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  • 7
    Electronic Resource
    Electronic Resource
    Novel iron meso-nitrooctaethylporphine complexes for the catalytic reaction of alkanes with molecular oxygen (1994)
    Springer
    Catalysis letters 24 (1994), S. 79-83 
    Details
    ISSN: 1572-879X
    Keywords: Metallonitroporphines ; oxidation ; isobutane ; propane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Introducing nitro groups into themeso-positions of a metalloporphyrin converts a catalytically inactive complex into a highly active catalyst for the oxidation of alkanes with molecular oxygen. The degree of nitration correlates with both the Fe(III)/Fe(II) reduction potential and the catalytic activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00807377
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  • 8
    Electronic Resource
    Electronic Resource
    Purification of α-glucosidae and invertase from bakers' yeast on modified polymeric supports (1999)
    Springer
    Bioseparation 8 (1999), S. 293-306 
    Details
    ISSN: 1573-8272
    Keywords: XAD-16 and NPA-1 ; invertase ; α-glucosidase ; grafting ; ultrasonic irradiation ; adsorption ; desorption ; enrichment factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract In the present work Amberlite® XAD-16 and Indion® NPA-1, Polystyrene Divinylbenzene macroreticular spherical resins, have been evaluated quantitatively as supports for the adsorption and isolation of the yeast proteins and the enzymes, invertase and α-glucosidase. Modification of these supports has been carried out by surface grafting using acrylate polymers to reduce the hydrophobicity and nonspecific adsorption of proteins. Good grafting efficiency, in excess of 90%, has been obtained using ultrasonic irradiation for the surface activation of polystyrene resins. XAD-16 has higher adsorption capacities for the total yeast proteins as well as for both the enzymes, α-glucosidase and invertase, than NPA-1 in its respective native and grafted form. Adsorption capacities of XAD-16 and NPA-1 in their respectivenative and grafted forms for α-glucosidase are higher than the capacities for invertase. Nonspecific adsorption of total proteins has been reduced considerably after the grafting of acrylate polymers on hydrophobic supports. At the same time selectivity for the adsorption of both the enzymes has been enhanced on grafted supports. The overall solid-liquid adsorption mass transfer coefficient values (K l a) estimated for adsorption of invertase on XAD are lower than those for α-glucosidase. Native and grafted resins could be regenerated and reused for adsorption of α-glucosidase for two regeneration cycles studied. Storage stability of invertase and α-glucosidase is the same on native and grafted form of XAD-16 and is more than the enzymes in the free form.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008126628635
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  • 9
    Electronic Resource
    Electronic Resource
    Chitinolytic enzymes: their contribution to basic and applied research (1993)
    Springer
    World journal of microbiology and biotechnology 9 (1993), S. 468-475 
    Details
    ISSN: 1573-0972
    Keywords: Biocontrol agents ; chitinase/chitosanase ; chitinous waste ; single-cell protein ; ultrastructural studies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract After cellulose, chitin is the second most abundant renewable resource available in nature. Marine invertebrates and fungal biomass are the two main sources of chitinous waste, which is commercially exploited. The enzymes involved in chitin degradation have been particularly well studied. Such enzymes have applications in ultrastructural studies, in the preparation of chitooligosaccharides which show anti-tumour activity, as biocontrol agents and in single-cell protein production. Here, the contribution chitin enzymology can make to basic and applied research is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00328035
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