Document Detail

Curvature and propagation velocity of chemical waves.
MedLine Citation:
PMID:  17839079     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The collision of circular chemical waves in an excitable medium, the Belousov-Zhabotinskii reaction, leads to characteristic cusplike structures. The high curvatures of these structures are especially suitable for experimentally verifying the predicted proportionality between the velocity and the shape of traveling waves. A computerized spectrophotometric video technique with microscopic resolution was used to determine the proportionality factor (2 x 10(-5) square centimeter per second), which in this case is the diffusion coefficient of the autocatalytic species of the reaction system. A numerical calculation of the spatiotemporal evolution of the cusp structure is in good agreement with the experimental observations.
P Foerster; S C Müller; B Hess
Related Documents :
12964739 - Scanning electrochemical microscopy. 46. shielding effects on reversible and quasirever...
18025729 - Elemental balance based methodology to establish reaction stoichiometry in environmenta...
16853379 - Diffusion-controlled solid-state reactions of spherical particles, a general model for ...
21593879 - Humidity sensor based on a single-mode hetero-core fiber structure.
15080739 - Scanning electrochemical microscopy 50. kinetic study of electrode reactions by the tip...
23034119 - Carbon dioxide and ethanol release from champagne glasses, under standard tasting condi...
19997409 - Multiple traps created with an inclined dual-fiber system.
17655459 - Derivation of frank-ericksen elastic coefficients for polydomain nematics from mean-fie...
25114969 - Ser performance of enhanced spatial multiplexing codes with zf/mrc receiver in time-var...
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  241     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  1988 Aug 
Date Detail:
Created Date:  2010-06-08     Completed Date:  2010-07-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  685-7     Citation Subset:  -    
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Discovery of Sodium and Potassium Vapor in the Atmosphere of the Moon.
Next Document:  July Temperatures in Europe from Pollen Data, 6000 Years Before Present.