Report on a review of selected general and application controls over the University of Northern Iowa Student Information System for the period June 12, 2012 through July 16, 2012

Report on a review of selected general and application controls over the University of Northern Iowa Student Information System for the period June 12, 2012 through July 16, 2012

Audit report on the Black Hawk County Criminal Justice Information System for the year ended June 30, 2013

Audit report on the Black Hawk County Criminal Justice Information System for the year ended June 30, 2013

Audit report on the Iowa Judicial Retirement System for the year ended June 30, 2013

Audit report on the Iowa Judicial Retirement System for the year ended June 30, 2013

Audit report on the Peace Officers' Retirement, Accident and Disability System for the year ended June 30, 2013

Audit report on the Peace Officers' Retirement, Accident and Disability System for the year ended June 30, 2013

Report on a review of selected general and application controls over the Iowa Department of Transportation’s Vehicle Registration and Title System for the period April 16, 2012 through May 15, 2012

Report on a review of selected general and application controls over the Iowa Department of Transportation’s Vehicle Registration and Title System for the period April 16, 2012 through May 15, 2012

Report on a review of selected general and application controls over the Iowa Public Employees’ Retirement System I-Que Pension Administration System for the period May 20, 2013 through July 12, 2013

Report on a review of selected general and application controls over the Iowa Public Employees’ Retirement System I-Que Pension Administration System for the period May 20, 2013 through July 12, 2013

Development of an Expert System for Forecasting Frost on Bridges and Roadways in Iowa, HR-305, 1991

An expert system has been developed that provides 24 hour forecasts of roadway and bridge frost for locations in Iowa. The system is based on analysis of frost observations taken by highway maintenance personnel, analysis of conditions leading to frost as obtained from meteorologists with experience in forecasting bridge and roadway frost, and from fundamental physical principles of frost processes. The expert system requires the forecaster to enter information on recent maximum and minimum temperatures and forecasts of maximum and minimum air temperatures, dew point temperatures, precipitation, cloudiness, and wind speed. The system has been used operationally for the last two frost seasons by Freese-Notis Associates, who have been under contract with the Iowa DOT to supply frost forecasts. The operational meteorologists give the system their strong endorsement. They always consult the system before making a frost forecast unless conditions clearly indicate frost is not likely. In operational use, the system is run several times with different input values to test the sensitivity of frost formation on a particular day to various meteorological parameters. The users comment. that the system helps them to consider all the factors relevant to frost formation and is regarded as an office companion for making frost forecasts.

Characterization of a MexAB-OprM efflux system necessary for productive metabolism of Pseudomonas azelaica HBP1 on 2-hydroxybiphenyl.

Pseudomonas azelaica HBP1 is one of the few bacteria known to completely mineralize the biocide and toxic compound 2-hydroxybiphenyl (2-HBP), but the mechanisms of its tolerance to the toxicity are unknown. By transposon mutant analysis and screening for absence of growth on water saturating concentrations of 2-HBP (2.7 mM) we preferentially found insertions in three genes with high homology to the mexA, mexB, and oprM efflux system. Mutants could grow at 2-HBP concentrations below 100 μM but at lower growth rates than the wild-type. Exposure of the wild-type to increasing 2-HBP concentrations resulted in acute cell growth arrest and loss of membrane potential, to which the cells adapt after a few hours. By using ethidium bromide (EB) as proxy we could show that the mutants are unable to expel EB effectively. Inclusion of a 2-HBP reporter plasmid revealed that the wild-type combines efflux with metabolism at all 2-HBP concentrations, whereas the mutants cannot remove the compound and arrest metabolism at concentrations above 24 μM. The analysis thus showed the importance of the MexAB-OprM system for productive metabolism of 2-HBP.

Report on a review of selected general and application controls over the Iowa Department of Transportation’s Vendor Payment System for the period March 11, 2013 through April 12, 2013

Report on a review of selected general and application controls over the Iowa Department of Transportation’s Vendor Payment System for the period March 11, 2013 through April 12, 2013

Development and Implementation of an Expert System for Forecasting Fog on US Highway 30 in Cedar Rapids, Iowa, HR-357, 1996

Several accidents, some involving fatalities, have occurred on U.S. Highway 30 near the Archer Daniels Midland Company (ADM) Corn Sweeteners plant in Cedar Rapids, Iowa. A contributing factor to many of these accidents has been the large amounts of water (vapor and liquid) emitted from multiple sources at ADM's facility located along the south side of the highway. Weather and road closure data acquired from IDOT have been used to develop a database of meteorological conditions preceding and accompanying closure of Highway 30 in Cedar Rapids. An expert system and a FORTRAN program were developed as aids in decision making with regard to closure of Highway 30 near the plant. The computer programs were used for testing, evaluation, and final deployment. Reports indicate the decision tools have been successfully implemented and were judged to be helpful in forecasting road closures and in reducing costs and personnel time in monitoring the roadway.

Establishment of an in vitro system for studies on the induced resistance of cotton to Xanthomonas campestris pv. malvacearum

An in vitro system for studying the resistance response of cotton (Gossypium hirsutum L.) to Xanthomonas campestris pv. malvacearum was investigated. Cell suspension cultures, established from hypocotyl-derived callus of cotton cultivar 101-102B, were treated with bacterial extracellular polysaccharides (EPS) extracted from the incompatible race 18 of X. campestris pv. malvacearum. EPS at 600 mug/mL caused pronounced darkening of the suspension cultures, as indicative of cell death, 48 hours after incubation. Protein electrophoresis analysis of the time course of EPS-treated cells showed differential accumulation of several protein bands after 12-24 hours. The time course of protein accumulation and cell death was consistent with an elicitor-mediated hypersensitive response.

Cropping system impact on soil quality determinants

Selostus: Viljelyjärjestelmän vaikutus maan kasvukuntoa määrääviin tekijöihin

Audit report on the Black Hawk County Criminal Justice Information System for the year ended June 30, 2014

Audit report on the Black Hawk County Criminal Justice Information System for the year ended June 30, 2014

Report on a review of selected general and application controls over the Iowa State University of Science and Technology student financial aid system for the period of April 22, 2013 through May 17, 2013

Report on a review of selected general and application controls over the Iowa State University of Science and Technology student financial aid system for the period of April 22, 2013 through May 17, 2013