This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Biological materials may be a cost effective alternative to remove toxic heavy metal ions from contaminated waters. In order to better understand the mechanisms involved in toxic metal ion binding, XAS studies need to be performed. Natural biomaterials are difficult to study on a molecular level. However, synchrotron XAS will enable us to characterize the bound metal ions and determine their coordination environment on the biomass. This information will be of particular interest in determining how biomaterials can selectively bind certain metal ions over others with the same charge. Advancement of biomaterial research may allow for new and innovative bio-adsorbent technologies to be developed which may reduce the potential adverse health impact of contaminated public water supplies.
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