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  • 1
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 99 (1993), S. 5500-5507 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Contributing factors to the second harmonic response from Ag(111) and Au(111) surfaces have been examined in the long wavelength limit where nonresonant conditions prevail. The rotational anisotropy in the nonlinear response is found to persist for both metals in the absence of surface resonances and to show convergent behavior in both the relative phase and intensity as the incident energy is lowered from resonant to nonresonant conditions. The phase difference between the in-plane and out-of-plane responses in the long wavelength limit can be described by linear Fresnel theory. Whereas the tensor elements corresponding to the out-of-plane response are found to dominate, the in-plane contributions are found to be non-negligible.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 23 (2003), S. 0 
    ISSN: 1539-6924
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: There is increasing interest in the integration of quantitative risk analysis with benefit-cost and cost-effectiveness methods to evaluate environmental health policy making and perform comparative analyses. However, the combined use of these methods has revealed deficiencies in the available methods, and the lack of useful analytical frameworks currently constrains the utility of comparative risk and policy analyses. A principal issue in integrating risk and economic analysis is the lack of common performance metrics, particularly when conducting comparative analyses of regulations with disparate health endpoints (e.g., cancer and noncancer effects or risk-benefit analysis) and quantitative estimation of cumulative risk, whether from exposure to single agents with multiple health impacts or from exposure to mixtures. We propose a general quantitative framework and examine assumptions required for performing analyses of health risks and policies. We review existing and proposed risk and health-impact metrics for evaluating policies designed to protect public health from environmental exposures, and identify their strengths and weaknesses with respect to their use in a general comparative risk and policy analysis framework. Case studies are presented to demonstrate applications of this framework with risk-benefit and air pollution risk analyses. Through this analysis, we hope to generate discussions regarding the data requirements, analytical approaches, and assumptions required for general models to be used in comparative risk and policy analysis.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Clinical and experimental dermatology 25 (2000), S. 0 
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Guidelines have proliferated in recent years in all areas of medicine, sometimes with little evaluation of their effect. Referral guidelines for dermatology were compiled by the dermatologist at the Royal Surrey County Hospital in consultation with local general practitioners. An audit was undertaken to assess how appropriate referrals were just before and after distribution of the guidelines and was repeated 2 years later to determine whether they had made any significant impact. The results revealed a 40% increase in the number of appropriate referrals immediately after introduction of the guidelines, but this was not sustained 2 years later. Five common conditions accounted for two-thirds of inappropriate referrals before and after the guidelines were sent. The need for continued general practitioner education in dermatology to reinforce referral guidelines is demonstrated.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 7 (1982), S. 0 
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This paper emphasises that the localized presence of fibrin immediately below the epidermis is a frequent concomitant of skin lesions induced by friction and may provide a useful aetiological clue to support histopathological features which may otherwise be non-specific.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 80 (1958), S. 905-907 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    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: —Various parameters of the in vitro incorporation of [14C]amino acids into protein by cell nuclei isolated and purified from rat brain and liver were investigated. Nuclei purified through 2.2 m sucrose solution were capable of amino acid incorporation in vitro; and washing procedure to eliminate hypertonic sucrose before incubation was essential since sucrose in high concentration was inhibitory. Microbial contamination was found to be a serious source of error and the use of sterile conditions for incubation were necessary to obtain reproducible and valid results. Using completely sterile conditions, Na +, K+, RNase, DNase, puromycin, cycloheximide and chloramphenicol were without any effect on the ability of brain and liver nuclei to incorporate labelled amino acids into protein. Results of time-course and preincubation experiments revealed that some factors essential for amino acid incorporation pass out of the nucleus into the medium. In addition, approximately 15 per cent of the labelled nuclear proteins with higher specific radioactivity was recovered in the incubation medium. Incorporation of [14C]leucine was proportional to the concentration of labelled amino acid and to the number of nuclei, and it is suggested that carefully controlled conditions of incubation are essential to obtain valid comparisons between different types of nuclei in terms of their relative abilities to incorporate amino acids in vitro. No evidence was obtained indicating isotope dilution phenomenon in these experiments. Whether or not in vitro incorporation of amino acid by nuclei represents protein synthesis is discussed.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 23 (1958), S. 1373-1375 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 24 (1959), S. 155-159 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 24 (1959), S. 155-159 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 28 (1963), S. 2336-2339 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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