2000 Progress Report: BESS, A System For Predicting The Biodegradability Of New CompoundsEPA Grant Number: R826114
Title: BESS, A System For Predicting The Biodegradability Of New Compounds
Investigators: Punch, William F.
Institution: Michigan State University
EPA Project Officer: Hahn, Intaek
Project Period: November 1, 1997 through October 31, 2000
Project Period Covered by this Report: November 1, 1999 through October 31, 2000
Project Amount: $285,063
RFA: Technology for a Sustainable Environment (1997) RFA Text | Recipients Lists
Research Category: Sustainability , Pollution Prevention/Sustainable Development
Objective:The objective of this work is to further develop a software system called BESS (Biodegradation Evaluation and Simulation System), which can predict the biodegradability of a compound based on the structural features of that compound and the prevailing environmental conditions.
Progress Summary:The present BESS project, funded jointly by the U.S. Environmental Protection Agency (EPA) and Procter & Gamble, is approximately 4 years old. The following goals have been accomplished:
- The Bess program has been moved to Procter & Gamble for evaluation.
- Client/Server architecture has been ported to P&G systems in Linux and is operating. The client is a Java, Web-based application, the server is a multithreaded C++ program.
- The server has been further modified to address portability issues.
- We have approximately 3,000 rules encoded in the present rule database. Of those 3,000, approximately 300 are "templates" for general compound breakdown, and the remaining are more specific rules for certain compounds.
- Image rendering of arbitrary SMILES strings into 2D structures (Daylight software) has been introduced into the Java client so that structures (intermediate and otherwise) can be viewed by users.
- The ISISBase database of rules is being ported to a more flexible, industry platform, in this case Oracle.
- P&G is evaluating the effectiveness of the rule base and examining how Bess will be fielded in P&G.
- A stand alone version of Bess (Visual Basic) has been created for local experimentation by both the users and the developers.
The main problem is the continued entry of rules. P&G is trying to get local researchers to being using the system and importing local rulesets, but this is a tedious operation. Administrative issues over synchronization and update of rule sets are being examined.