2 research outputs found
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Design of a High-Throughput Molecular Diffusion Device to Study Molecular Transport through Collagen Membranes
Diffusion studies allow scientists to gain a better understanding of the function and structure of membranes. However, these diffusion studies can be time consuming and costly when using current devices on the market. Our goal was to design and validate an affordable high-throughput molecular diffusion system to characterize membranes. Our device was validated using glucose, bovine serum albumin (BSA), and gamma globulin. The calculated coefficients were 5.58x10^-6 cm^2/s, 7.08x10^-8 cm^2/s, and 4.83x10^-8 cm^2/s for glucose, BSA, and gamma globulin, respectively. Diffusion coefficients were shown to be the same for our device and a marketed device and are comparable to published values, suggesting that our device will serve as a facile tool to rapidly characterize engineered membranes
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Conservation Analysis in the Municipality of Toa Baja
In Puerto Rico, ongoing economic and population growth is causing widespread urbanization at the expense of valuable forest ecosystems. The community of el Plantio faced this issue when a cherished range of forested hills was threatened by local developers. We assessed the situation through interviews, explored the area to compile scientific arguments for preservation, and surveyed local educators regarding use of the area for educational purposes. Our findings will help the community justify re-zoning the hills as a protected area and suggest educational uses as an alternative to development. With the assistance of the Department of Natural and Environmental Resources, we used the example of el Plantio to adapt the USFS Wildland-Urban Interface Assessment to a Puerto Rican context