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Article: Controlled Field Release of a Waterborne Chemical Signal Stimulates Planktonic Larvae to Settle.(Statistical Data Included)
- Article from:
- The Biological Bulletin
- Article date:
- February 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 Marine Biological Laboratory. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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RICHARD K. ZIMMER [*]
Settlement rates and distributions of planktonic larvae are critical determinants of population dynamics in marine and freshwater benthic communities. On the basis of the principles of solute diffusion from a porous material, chemical-releasing collectors (CRCs) were engineered and tested in an estuary. Significantly more barnacle larvae (Balanus amphitrite) were found to colonize collectors emitting trace amounts of the synthetic peptide analog, glycyl-glycyl-L-arginine (5 x [10.sup.-8] M), than those emitting either seawater or an organic enrichment (glycyl-glycyl-L-histidine) control. The inductive compound is similar in structure to ...
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Article: ON THE MAGIC CHARACTER OF Al^sub 6^Au^sup -^
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February 1, 2007 ;
700+ words
... ... to oxygen. The only known exception to this oxidation are selected clusters2-5, for example, Al^sub 13^^sup -^, Al^sub 23^^sup -^, Al^sub 37^^sub -^, ... . These sizes, usually called the magic numbers6,7, owe their ...
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