SSSAJ
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
 QUICK SEARCH:   [advanced]


     


This Article
Right arrow Abstract Freely available
Right arrow Full Text Free
Right arrow Full Text (PDF) Free
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via ISI Web of Science (18)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Acosta-Martínez, V.
Right arrow Articles by Tabatabai, M.A.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Acosta-Martínez, V.
Right arrow Articles by Tabatabai, M.A.
Agricola
Right arrow Articles by Acosta-Martínez, V.
Right arrow Articles by Tabatabai, M.A.

Arylamidase Activity of Soils

V. Acosta-Martíneza and M.A. Tabatabaia

a Dep. of Agronomy, Iowa State Univ., Ames, IA 50011-1010 USA



View larger version (21K):

[in a new window]
 
Fig. 1 Effect of buffer pH on release of ß-naphthylamine in assay of arylamidase activity in soils

 


View larger version (26K):

[in a new window]
 
Fig. 2 Effect of substrate concentration on release of ß-naphthylamine in assay of arylamidase activity in soils

 


View larger version (24K):

[in a new window]
 
Fig. 3 Effect of time of incubation on release of ß-naphthylamine in assay of arylamidase activity in soils

 


View larger version (18K):

[in a new window]
 
Fig. 4 Effect of incubation temperature on release of ß-naphthylamine in assay of arylamidase activity in soils; (A) field-moist soils; (B) air-dried soils

 


View larger version (18K):

[in a new window]
 
Fig. 5 Effect of preheating temperature on release of ß-naphthylamine in assay of arylamidase activity in soils; (A) field-moist soils; (B) air-dried soils

 


View larger version (16K):

[in a new window]
 
Fig. 6 Arrhenius equation plot of arylamidase activity in soils; (A) field-moist soils, (B) air-dried soils ( )

 


View larger version (22K):

[in a new window]
 
Fig. 7 The three possible linear plots of the Michaelis–Menten equation for arylamidase activity in soils. Substrate concentration (S) is expressed in mM and the reaction velocity in mmol of ß-naphthylamine released kg-1 of soil h-1

 





HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education
Vadose Zone Journal
Journal of Plant Registrations Journal of
Environmental Quality
The Plant Genome
Copyright © 2000 by the Soil Science Society of America.