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0:00-0:49: Dr. Mackenzie's welcome and intro discussing commonly used wet lab techniques. 0.51-1:43: Joanna's diet preparation 1:44-2:46: Aya's genotyping 2:47-4:03: Natalia's…
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Demo on how to use an osmometer for Lab 2 PLS100BL by Pedro Bello
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Prof. Heather Bischel and members of the UC Davis Utilities team describe how samples are collected throughout the sewer system in order to monitor SARS-CoV-2 and help prevent outbreaks on campus.
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How do we know when we're really done with fermentation? How does enzymatic analysis work? What are the components of an enzymatic assay kit? Copyright Thi Nguyen Do not distribute without…
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What is the difference between a primary and secondary method? How do ebulliometry and near-infrared spectroscopy work? Copyright Thi Nguyen Do not distribute without permission …
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How do gas chromatography and flame ionization detection work? What is internal standardization and what is its purpose? Copyright Thi Nguyen Do not distribute without permission …
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When would we use a paired t-test? How does it work? What are the similarities between a paired t-test and a one sample t-test for systematic error? Copyright Thi Nguyen Do not distribute without…
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How is atomic spectroscopy different from molecular spectrophotometry? What's going on inside an atomic spectrometer? How is copper analyzed by flame atomic absorption spectroscopy? Copyright…
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How can we tell whether two samples are different from one another? What about if two different methods are giving us different results? Copyright Thi Nguyen Do not distribute without permission …
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What is variance? How can we tell whether one method is more precise than another? What are degrees of freedom in statistics? Copyright Thi Nguyen Do not distribute without permission …
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Why do we perform measurements? What's the difference between a population, sample, and test sample? What are replicates? Why even bother with statistics? Copyright Thi Nguyen Do not distribute…
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How do we prepare juice samples for the analysis of free alpha-amino nitrogen? How do we perform dilutions? How do we deal with sample background noise during spectrophotometric analysis? How do we…
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What is calibration? How do we prepare standards for external calibration and how do we make a calibration curve? How do we give the spectrophotometer a baseline, to measure just what we're…
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How does a spectrophotometer work? What are the key parts of a spectrophotometer? What sort of cuvettes are available and how should they be handled? Copyright Thi Nguyen Do not distribute without…
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