Publications by authors named "S Spiess"
The number of metal-containing waste streams resulting from electronic end-of life products, metallurgical by-products, and mine tailings to name but a few, is increasing worldwide. In recent decades, the potential to exploit these waste streams as valuable secondary resources to meet the high demand of critical and economically important raw materials has become more prominent. In this review, fundamental principles of bio-based metal recovery technologies are discussed focusing on microbial metabolism-dependent and metabolism-independent mechanisms as sustainable alternatives to conventional chemical metal recovery methods.
View Article and Find Full Text PDFThe Role of Family Medicine in Addressing the Maternal Health Crisis in the United States.
J Prim Care Community Health
September 2024
The United States (US) is experiencing a maternal health crisis, with high rates of maternal morbidity and mortality. The US has the highest rates of pregnancy-related mortality among industrialized nations. Maternal mortality has more than quadrupled over the last decades.
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- The research investigates the potential for syntax-like structures in the vocal communication of chestnut-crowned babblers, a highly social bird species.
- Results from acoustic analysis showed that babblers can flexibly combine core "piping" elements with other call types, creating new call forms like "peow-pipe" and "beg-pipe."
- The study suggests that these combinations modify the meaning of the calls, providing rare evidence for syntactic-like communication in nonhuman animals.
Assessment of Family Medicine Obstetrics Fellowship Websites in the United States: Content and Usability.
J Prim Care Community Health
January 2024
Introduction: The United States is experiencing maternity care shortages. Family physicians can play a role in addressing these shortages. Family medicine obstetrics fellowships train family physicians in obstetrics care.
View Article and Find Full Text PDFBackground: The COVID-19 pandemic in 2020 led to the rapid adoption of telemedicine, including virtual visits, to minimize face-to-face contact between clinicians and patients. Family medicine clinics across the nation had to transform how they provided primary care while maintaining the core values of family medicine. The objective of this study was to analyze how family medicine faculty perceived the impact of virtual visits on patient access to care.
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