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  • 1
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 32 (1979), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The incorporation of radioactive glycine into the major myelin proteolipid protein isolated from whole brain and from purified myelin of Quaking mice and normal littermates was compared. In a typical experiment, four Quaking mice and four littermate controls were injected intracranially with 250 μCi [2-3H]glycine and 25 μCi [U-14C]glycine respectively. Three hours later, the eight mice were killed and their brains combined. Equivalent portions were taken for (1) chloroform-methanol (2:1) extraction followed by ether precipitation of proteolipid from the brain and (2) myelin preparation. The 3H/14C ratios for the microsomes:, the major myelin proteolipid as well as the other non-myelin proteolipids extracted from whole brain was approx 3.0. while the 3H/14C ratio for proteolipid protein in myelin was near 0.4. These findings were consistent for ages studied between 18 and 90 days. The results indicate that the synthesis of the major myelin proteolipid protein in the whole brain of Quaking mouse, as seen previously in our studies on basic protein, proceeds at a normal rate relative to microsomes but its incorporation into myelin is depressed. A working hypothesis of myelin membrane assembly is presented to account for the defect in the incorporation of these proteins into Quaking myelin.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 19 (1972), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— By techniques of isosmotic density gradient ultracentrifugation three subfractions of myelin were isolated from homogenates of whole rat brain at densities of 1.054 g/ml (myelin I), 1.060 g/ml (myelin II) and 1.066 g/ml (myelin III). The stability of these fractions was demonstrated by the zonal centrifuge profile analysis of recycled fractions. Examination of the three myelin subfractions by techniques of electron microscopy and thin layer chromatography detected no obvious morphological or chemical differences. However, analysis for protein, cholesterol, phospholipids and cerebrosides did reveal differences among myelin I, myelin II and myelin III. Myelin I contained relatively more cholesterol than II or III. Myelin III contained relatively more phospholipids than I or II. The cerebroside-to-protein ratios were the same in all three fractions. Quantitative differences in fatty acid composition (as detected by gas-liquid chromatography) were also observed.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Plant pathology 46 (1997), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 44 (1995), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Five hybridoma cell lines secreting antibodies (MAbs) recognizing zoospores of S. subterranea were raised from splenocytes of mice. One MAb also weakly recognized plasmodia/zoosporangia and cystosori of S. subterranea, and another recognized only plasmodia/zoosporangia in plate-trapped antigen ELISA. Polymyxa graminis was recognized most strongly out of 26 micro-organisms other than S. subterranea against which the MAbs were tested. Most were recognized only weakly or not at all. The MAb that recognized zoospores of S. subterranea most strongly detected as few as three zoospores per microtitre plate well when 12 replicate wells per treatment were arranged randomly on plates and absorbance values subjected to analysis of variance. The sensitivity of detection was not improved by mixing antibodies, using a biotin-streptavidin amplification system, or by using a double antibody sandwich system. Zoospores of S. subterranea flushed from soil were detected only after unrealistically large numbers of cystosori had been added. They were not detected in samples of naturally infested soil removed from a field shortly after a severely scabbed potato crop had been harvested.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Zamifenacin is a new potent gut M3 selective muscarinic antagonist developed for possible use in irritable bowel syndrome.〈section xml:id="abs1-2"〉〈title type="main"〉Methods:In this multicentre, double-blind, parallel group, placebo-controlled study, the effect of a single dose of zamifenacin 10 mg or 40 mg on both fasting (30 min) and fed (60 min) colonic motor activity was assessed in 36 patients with irritable bowel syndrome (aged 25–68 years; 19 male). Colonic motility was recorded using a five-channel solid-state catheter introduced by colonoscopy to a depth of 35 cm in an unprepared colon.〈section xml:id="abs1-3"〉〈title type="main"〉Results:Zamifenacin 40 mg profoundly reduced colonic motility, particularly after the meal (P 〈 0.05). This was reflected by a significant reduction in the mean amplitude of contractions, number of contractions, percentage duration of contractions, activity index and the motility index (P 〈 0.05). A smaller reduction in all the motility parameters was obtained with 10 mg zamifenacin, but these changes were not statistically significant. Three patients each on placebo and zamifenacin reported side-effects, but these were mild and transient.〈section xml:id="abs1-4"〉〈title type="main"〉Conclusion:A single 40 mg dose of zamifenacin significantly reduces colonic motility in irritable bowel syndrome patients without significant antimuscarinic effects. The results of this study confirm that the concept of developing selective antimuscarinic agents may be a promising approach to the treatment of irritable bowel syndrome. Not only would such compounds benefit from not having the usual side-effects of anticho-linergics but they might also offer much more in the way of dose flexibility.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 51 (1996), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 25 (1970), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 24 (1969), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 8 (1978), S. 0 
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. Oligochaete worms dominate the macroinvertebrate fauna of the River Irwell, in north west England. The river is polluted by domestic and industrial wastes. Tubificids constituted 86.8% of the worm fauna, with three dominant species; Tubifex tubifex (Müller), representing 43.1% of the total oligochaetes, Limnodrilus hoffmeisteri Claparède, representing 26.8% and Limnodrilus udekcmianus Claparède, representing 16.7%. The Naididae were the next most abundant worms, representing 6.1% of the oligochaete fauna, with Nais elinguis Müller comprising 5.0%. T. tubifex and L. hoffmeisteri were abundant along the length of the river, but reached their greatest numbers in the organically polluted lower reaches at Agecroft and Salford. The density of L. udekemianus was low in the Irwell above the entry point of the heavily polluted River Roch, but high below this point. N. elinguis was abundant above the Roch entry point and scarce below it.In the three dominant tubificids, the main population recruitment occurred during the summer months (April to September for T. tubifex, May to November for L. hoffmeisteri and June to October for L. udekemianus). In N. elinguis, there was massive recruitment in April.
    Type of Medium: Electronic Resource
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