Abstract: The invention relates to a system and method to reduce perchlorate in wastewater utilizing perchlorate-reducing bacteria, sulfur as an electron donor and mollusk shells as alkalinity agent. Embodiments of the invention include a perchlorate-reduction system comprising a bioreactor unit having perchlorate-reducing media comprising elemental sulfur, oyster shells and a microbial community, and can further include an optional pretreatment unit, wastewater-catchment and/or post-treatment components. Embodiments of the method include multiple steps utilizing the system and additional process steps that achieve enhanced perchlorate reduction.

Abstract: The invention relates to a system and method to reduce perchlorate in wastewater utilizing perchlorate-reducing bacteria, sulfur as an electron donor and mollusk shells as alkalinity agent. Embodiments of the invention include a perchlorate-reduction system comprising a bioreactor unit having perchlorate-reducing media comprising elemental sulfur, oyster shells and a microbial community, and can further include an optional pretreatment unit, wastewater-catchment and/or post-treatment components. Embodiments of the method include multiple steps utilizing the system and additional process steps that achieve enhanced perchlorate reduction.

Abstract: A thin film made of a stiff polymer and having indentations on its surface, and methods of making and using the thin film are disclosed. The surface includes a plurality of indentations, the shape of each indentation corresponding to an outer surface of an imprint moiety, such as an animal, bacterial, or plant cell. The thin film can be mounted on a detector, which can be used to selectively bind to and detect the imprint moiety in a sample, e.g., a biological or environmental sample, at a minimum concentration of as low as 500 to 1000 imprint moieties per milliliter of sample.