The objective of this study was to examine three well designs: drilled wells (20-30 m deep), closed dug wells (>5 m deep), and hand-dug open wells (<5 m deep), to determine the water quality for improving access to safe and clean water in rural communities. Heterotrophic plate count (HPC), total coliforms (TC), Escherichia coli (E. coli) and turbidity, were used to assess the water quality of 9...

One of the fundamental tenets of health care is access. In politics, access is defined as having health insurance, even though access to insurance does not guarantee access to care. HEDIS defines access as getting in to see your doctor at least once per year. A better measure is to ask the patient, “How easy is it for you to get medical care when you need it?” Only about 50 percent of people re...

We report a new method to quantify the affinity of small molecules for proteins. This method is based on Förster resonance energy transfer (FRET) between endogenous tryptophan (Trp) residues and the coumarin-derived fluorophore Pacific Blue (PB). Tryptophan residues are frequently found in proteins near ligand-binding sites, making this approach potentially applicable to a wide range of systems...

Meeting sustainable development objectives is a complex and temporal process that involves multiple stakeholders. The creation of economic wealth, social stability and environmental protection can be achieved through developing products and services that are based on spatial information collected by all levels of government. These objectives can be facilitated by developing a spatially enabled ...

The improvement of the software development process through the development and utilization of high quality and reusable software components has been advocated for a long time. Agile Methods promote some interesting practices, in particular the practice of refactoring, which are supposed to improve understandability and maintainability of source code. In this research we analyze if refactoring ...

IMPROVE adjusts for positive sampling artifacts by subtracting nylon filter field blank values and quartz afterfilter values from measured ion and carbon concentrations, respectively. Artifacts have been observed to vary substantially among filter manufacturing lots, especially for nylon filters. Sulfate and nitrate artifact corrections are currently less than 10% of the measured values, but or...

imagine trying to be an effective teacher at a school where the average student misses two months of class time out of nine months of the school year—a common situation in urban high schools. Further, imagine that your fellow teachers and school leaders refuse to work together to prevent students from skipping class or support struggling students in a coordinated way. You may stay, but probably...

While it is widely acknowledged that the performance improvement in current biometrics-based personal authentication systems is necessary, it is not clear what mechanisms could be used to improve the performance. In this paper, we formulate the problem of multiple biometrics integration and examine whether the improvement in performance could be achieved from integrating multiple biometrics. Fo...

Cadastral surveying is concerned with the process of gathering evidence in the form of position information that is used to define the location of objects or land boundaries for the purposes of identifying ownership and/or the value of land parcels. The advent of Global Navigation Satellite Systems (GNSS), such as the Global Positioning System (GPS), has revolutionised the way 3dimensional posi...

In models with a capital spillover, the market outcome is not Pareto e cient since agents ignore the positive externalities caused by investment. One might conclude that taxes on investment or subsidies to consumption will reduce welfare. However in a model of endogenous growth, either a small tax on capital income, whose proceeds are wasted, increases growth and welfare or a small marginal sub...