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Xu, Xia; Veenstra, Timothy D. – Journal of Chemical Education, 2012
The list of physiological events in which sex steroids play a role continues to increase. To decipher the roles that sex steroids play in any condition requires high quality cohorts of samples and assays that provide highly accurate quantitative measures. Liquid and gas chromatography coupled with mass spectrometry (LC-MS and GC-MS) have…
Descriptors: Chemistry, Biochemistry, Methods, Influences
Clark, Lynn; Majumdar, Saswati; Bhattacharjee, Joydeep; Hanks, Anne Case – Journal of Geoscience Education, 2015
This paper is an examination of a teacher professional development program in northeast Louisiana, that provided 30 teachers and their students with the technology, skills, and content knowledge to collect data and explore weather trends. Data were collected from both continuous monitoring weather stations and simple school-based weather stations…
Descriptors: STEM Education, Rural Education, Teacher Education, Professional Development
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Stewart, Mark T.; Stavrianeas, Stasinos – Advances in Physiology Education, 2008
Accusport analyzers were used to generate lactate performance curves in an investigative laboratory activity emphasizing the importance of reliable instrumentation. Both the calibration and testing phases of the exercise provided students with a hands-on opportunity to use laboratory-grade instrumentation while allowing for meaningful connections…
Descriptors: Laboratories, Instrumentation, Reliability, Data Collection