JEB logo

Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

About Journal
    Home
    Obituary: Dr. R. C. Dalela
    Editorial Board
    Reviewer Panel
    Publication Policies
    Guidelines for Editors
    Guidelines for Reviewers
    Abstracting and Indexing
    Subscription and Payments
    Contact Journal
    About Triveni Enterprises
 
Read Journal
    Current Issue
    Journal Archives
 
For Authors
    Guidelines for Authors
    Terms and Conditions
    Fees and Payments
    Track Paper Status
 

Google Search the Journal web-site:


    Abstract - Issue May 2011, 32 (3)                                     Back


nstantaneous and historical temperature effects on a-pinene

Reliability of solid phase microextraction in estimating

bioavailability of pyrene in soil

 

Author Details

 

Hsiang-Chao Liu

Department of Environmental Engineering, National Chung Shing University, No. 250, Kuo Kuang

Road, Taichung, Taiwan - 40227, ROC

Ching-Shyung Hwu

(Corresponding author)

Department of Environmental Engineering, Hung Kuang University, No. 34, Chung Chie Rd., Sha Lu,

Taichung, Taiwan - 43302, ROC

e-mail: cshwu@sunrise.hk.edu.tw

Jui-Min Hung

Department of Environmental Engineering, National Chung Shing University, No. 250, Kuo Kuang

Road, Taichung, Taiwan? - 40227, ROC

 

Hung-Yu Lai

Department of Post-Modern Agriculture, MingDao University, No.369, Wenhua Rd., Peetow,

Changhua, Taiwan - 52345, ROC

 

Hung-Yueh Chang

Department of Environmental Engineering, National Chung Shing University, No. 250, Kuo Kuang

Road, Taichung, Taiwan, 40227, ROC

 

Chih-Jen Lu

Department of Environmental Engineering, National Chung Shing University, No. 250, Kuo Kuang

Road, Taichung, Taiwan, 40227, ROC

 

 

Publication Data

Paper received:

05 December 2009

 

Revised received:

02 May 2010

 

Accepted:

01 June 2010

 

Abstract

Solid phase microextraction (SPME) coupled with gas chromatography was employed to estimate bioavailability of pyrene in soils with different properties of textures, organic matter contents (SOM) and aging periods. Experimental results indicated that biodegradation rates increased from 0.10 (sandy loam) to 0.15 (silty loam) mg g-1 hr-1. By contrast, biodegradation rate decreased from 0.10 (1.3% SOM) to 0.04 (7.6% SOM) mg g-1 hr-1. The amounts of pyrene biodegraded decreased 27% when SOM was modified from 1.3 to 7.6%, indicating that distributions of pyrene in soils at biodegradation end points were affected by the SOM. Sequestration as measured by sonication extraction had evidently occurred in aged soil samples. SPME measurements slightly overestimated the amount of pyrene degraded by indigenous and seeded microorganisms, in soils with the different properties (correlation coefficient, R2 = 0.74). The present study demonstrates that the SPME method can not replace biodegradation tests commonly used for predicting bioremediation efficacy.

 

Key words

SPME, Gas chromatography, Bioavailability, Pyrene, Soil

 

Copyright ? 2011 Triveni Enterprises. All rights reserved. No part of the Journal can be reproduced in any form without prior permission. Responsibility regarding the authenticity of the data, and the acceptability of the conclusions enforced or derived, rest completely with the author(s).