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  • 11
    Electronic Resource
    Electronic Resource
    Emulsion Copolymerization of Methyl Isopropenyl Ketone with Butadiene (1949)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 41 (1949), S. 1021-1024 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50473a030
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  • 12
    Electronic Resource
    Electronic Resource
    Methyl lsopropenyl Ketone–Butadiene Copolymers - Properties of Vulcanizates (1949)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 41 (1949), S. 1025-1027 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50473a031
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  • 13
    Electronic Resource
    Electronic Resource
    Reply (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Addiction biology 10 (2005), S. 0 
    Details
    ISSN: 1369-1600
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1369-1600.2005.tb00271.x
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  • 14
    Electronic Resource
    Electronic Resource
    Reply (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Addiction biology 10 (2005), S. 0 
    Details
    ISSN: 1369-1600
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1369-1600.2005.tb00269.x
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  • 15
    Electronic Resource
    Electronic Resource
    Assessing the relationship between maternal opiate use and neonatal mortality (1998)
    Oxford, UK : Carfax Publishing Limited
    Addiction 93 (1998), S. 0 
    Details
    ISSN: 1360-0443
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Aims/Design. We undertook a number of meta-analyses to estimate more precisely the relationship between neonatal mortality and use of opiates in three groups of women. First, women who continued to use illicit heroin throughout pregnancy; secondly, women stabilized on methadone at the time of conception or shortly after and thirdly, women who use heroin well into pregnancy with late entry into methadone treatment, or who continued to use illicit heroin during pregnancy while receiving methadone. Findings. The pooled estimates of the relative risks of neonatal mortality for separate heroin and methadone use were both near unity: 1.47 (95% CI 0.88-2.33) and 1.75 (95% CI 0.60-4.59), respectively. The result for heroin may be due to the inclusion in the meta-analysis of a particularly large study, which, unlike the two other smaller studies included, found a relative risk near unity. When this study was excluded from the meta-analysis the pooled estimate of the relative risk of neonatal mortality for heroin use was 3.27 (95% CI 0.95-9.60). In contrast to the results for use of methadone only, the pooled relative risk associated with heroin and methadone use was 6.37 (95% CI 2.57-14.68). Conclusions. The increased relative risk for neonatal mortality associated with women using heroin and methadone during pregnancy, compared to those stabilized on methadone, is probably due to the chaotic and high-risk life-style associated with illicit heroin use and not solely to the use of heroin and methadone per se. It is recommended that women who use heroin well into pregnancy with late entry into methadone treatment, or who continue to use illicit heroin during pregnancy while receiving methadone, receive special attention over and above that provided to women stabilized on methadone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1360-0443.1998.93710338.x
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  • 16
    Electronic Resource
    Electronic Resource
    Assessing the relationship between maternal opiate use and antepartum haemorrhage (1998)
    Oxford, UK : Carfax Publishing Limited
    Addiction 93 (1998), S. 0 
    Details
    ISSN: 1360-0443
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Aims/Design. Assessment of the association between the regular use of opiates by women during pregnancy and antepartum haemorrhage has been made difficult by the low prevalence of these conditions observed in clinical settings. As a consequence, most published studies lack statistical power due to the small number of cases. We combined all suitable published data in a meta-analysis to assess the association more accurately. Findings. Meta-analysis produced a pooled estimate of the crude odds ratio for antepartum haemorrhage in relation to maternal opiate use of 2.33 (95%CI 1.32-4.30). Conclusions. This odds ratio estimate is consistent with a moderately strong association. Studies included did not adjust for possible confounders (e.g. prenatal care, cocaine or tobacco), so confounding is likely to account for at least some of the observed effect. The relative consistency of results from studies included in the meta-analysis that were conducted in different countries and at different times adds to the strength of the evidence for an association between opiate use and antepartum haemorrhage. Well designed studies are urgently required to assess the independent effects of different types and patterns of maternal opiate use and confounders such as cigarette smoking, illicit cocaine use and antenatal care on antepartum haemorrhage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1360-0443.1998.9310155312.x
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  • 17
    Electronic Resource
    Electronic Resource
    A device for monitoring the static coating of capillary columns for gas-liquid chromatography (1985)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 8 (1985), S. 693-694 
    Details
    ISSN: 0935-6304
    Keywords: Gas-liquid chromatography, GLC ; Capillary columns ; Static coating ; Monitoring device ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240081011
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  • 18
    Electronic Resource
    Electronic Resource
    Deactivation, coating and performance of nickel capillary columns for GLC (1986)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 9 (1986), S. 30-34 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Nickel capillary columns ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Electroformed nickel tubing was deactivated by chemical vapor deposition of silicon from silane gas and subsequent treatment with cyclooctamethyltetrasiloxane (D4). Standard activity tests performed on the uncoated tube and also on columns coated with crosslinked and uncrosslinked, nonpolar stationary phase, show that good quality flexible columns can be prepared from nickel tubing. The inner surface of the silicon coated tube was characterized by Auger depth profile analysis.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240090105
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  • 19
    Electronic Resource
    Electronic Resource
    Deactivation of thin-walled nickel capillary columns for gas-liquid chromatography (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 429-430 
    Details
    ISSN: 0935-6304
    Keywords: Gas-liquid chromatography ; Nickel capillary column ; Silicon deactivation ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070715
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  • 20
    Electronic Resource
    Electronic Resource
    Trace analysis of complex organic mixtures using capillary gas-liquid chromatography and the dynamic solvent effect (1987)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 10 (1987), S. 122-127 
    Details
    ISSN: 0935-6304
    Keywords: Trace analysis ; Gas chromatography ; Solvent effect ; Inlet ; Injector ; Sampling ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A sampling system for high resolution gas-liquid chromatography, based on the dynamic solvent effect, is described. Volatiles are accumulated off-line in a concentrator/injector and delivered to the column using an on-line inlet. Volatiles may be accumulated from gaseous or liquid matrices; they may be transferred to these by gas sparging or solvent extraction of any type of sample. The sampling technique is quantitatively precise; e.g. coefficients of variation of peak percentage areas better than 5% for a range of solutes at a concentration of 2:107. Examples of the application of the sampling system are presented.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240100304
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