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  • 1
    Electronic Resource
    Electronic Resource
    Environmental gradients and the horizontal distribution of microcrustaceans in lakes (1998)
    Oxford, UK : Blackwell Science Ltd, UK
    Freshwater biology 39 (1998), S. 0 
    Details
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: 1. The assemblage of suspension-feeding microcrustaceans in lakes changes along a habitat gradient from nearshore to offshore. This gradient of microcrustaceans was explored in relation to differences in macrophytes and the associated changes in water chemistry, food resources and types of predators.2. Some microcrustacean species were littoral or limnetic specialists, while others changed their distribution along this horizontal habitat gradient on a diel or seasonal basis. Distribution patterns were similar in a lake and a pond which differed in extent of macrophyte habitat.3. There was a large shift in the composition of sestonic food, indicating heterotrophic seston nearshore and more autotrophic seston offshore. Sit-and-wait predators of microcrustaceans (e.g. Enallagma spp.) dominated nearshore and cruising predators (e.g. Leptodora kindtii Focke) were more common offshore.4. A reciprocal transplant experiment revealed that littoral specialists could survive equally well when fed littoral or limnetic seston, while limnetic specialists performed poorly when fed littoral seston. Food resources may be important in determining where some microcrustacean species live along this horizontal habitat gradient.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2427.1998.00287.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Localized, direct plasmid gene delivery in vivo : prolonged therapy results in reproducible tissue regeneration (1999)
    [s.l.] : Nature America Inc.
    Nature medicine 5 (1999), S. 753-759 
    Details
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] The inability to deliver growth factors locally in a transient but sustained manner is a substantial barrier to tissue regeneration. Systems capable of localized plasmid gene delivery for prolonged times may offer lower toxicity and should be well-suited for growth factor therapeutics. We ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/10473
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    DNA delivery from polymer matrices for tissue engineering (1999)
    [s.l.] : Nature America Inc.
    Nature biotechnology 17 (1999), S. 551-554 
    Details
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] We have proposed engineering tissues by the incorporation and sustained release of plasmids encoding tissue-inductive proteins from polymer matrices. Matrices of poly(lactide-co-glycolide) (PLG) were loaded with plasmid, which was subsequently released over a period ranging from days to a month ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/9853
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    APPLE: Description and Evaluation of a Substance Abuse Education and Prevention Program for Collegiate Athletics (1999)
    Springer
    The journal of primary prevention 20 (1999), S. 51-59 
    Details
    ISSN: 1573-6547
    Keywords: student athletes ; alcohol ; campus programming
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Among college student groups, student athletes are at particular risk for alcohol and other drug abuse. The Athletic Prevention Programming and Leadership Education (APPLE) model is a substance abuse prevention program designed specifically for use in collegiate athletic departments. APPLE offers departments an environmental approach to education and programming regarding alcohol and other drugs. In this article we offer a brief overview of the APPLE model and report on progress in substance abuse education and programming among athletic departments who have participated in the APPLE program.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1021354318923
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    Paper (German National Licenses)
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