Cassandra S. Koontz

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The purpose of this study was to evaluate the efficacy of using high vacuum, thermal evaporation to deposit thin films of Ti-6Al-4V onto plates for subsequent cell culture investigations. Osteoblastic response to thin-film coated plates was compared to that of cells grown on Ti alloy disk inserts and uncoated culture plates. The Ti alloy disks were(More)
Climate change alters species distributions, causing plants and animals to move north or to higher elevations with current warming. Bioclimatic models predict species distributions based on extant realized niches and assume niche conservation. Here, we evaluate if proxies for niches (i.e., range areas) are conserved at the family level through deep time,(More)
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