4 Matching Results

Search Results

Advanced search parameters have been applied.
in publisher: "University of Southern Mississippi, Hattiesburg, MS"  
Results: 1 - 4
open access

Responsive copolymers for enhanced petroleum recovery. Quarterly technical progress report, September 22, 1993--December 22, 1993

Description: Synthetic efforts have focused on the development of ionically modified polymers based on monomers which contain an acrylamido functionality. The monomers may possess either cationic or anionic functionality which, depending on the pH of the polymer solution, may either be ionically charged or neutral. Thus, by adjusting the pH, the degree of ionization of the polymer may be controlled which will in turn influence the rheological behavior. Previous research in our laboratories has revealed that… more
Date: December 31, 1993
Creator: McCormick, C. & Hester, R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Responsive copolymers for enhanced petroleum recovery. Quarterly technical progress report, June 23--September 21, 1994

Description: Summaries are given on the technical progress on three tasks of this project. Monomer and polymer synthesis discusses the preparation of 1(7-aminoheptyloxymethyl)naphthalene and poly(maleic anhydride-alt-ethyl vinyl ether). Task 2, Characterization of molecular structure, discusses terpolymer solution preparation, UV analysis, fluorescence analysis, low angle laser light scattering, and viscometry. The paper discusses the effects of hydrophobic groups, the effect of pH, the effect of electrolyt… more
Date: December 31, 1994
Creator: McCormick, C. & Hester, R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Genetic manipulation of a cyanobacterium for heavy metal detoxivication

Description: Increasing heavy metal contamination of soil and water has produced a need for economical and effective methods to reduce toxic buildup of these materials. Biological systems use metallothionein proteins to sequester such metals as Cu, Cd, and Zn. Studies are underway to genetically engineer a cyanobacteria strain with increased ability for metallothionein production and increased sequestration capacity. Cyanobacteria require only sunlight and CO{sub 2}. Vector constructs are being developed in… more
Date: December 31, 1995
Creator: McCormick, P.; Cannon, G. & Heinhorst, S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
Back to Top of Screen