Search for tag: "sample"

VEN123L Video 8.2 - Control Charts

What is a control chart? What are the components of a control chart and how do you make one? How is it used to determine whether things are going wrong over time? Copyright Thi Nguyen Do not…

From  Thi Nguyen on November 14th, 2020 0 likes 5 plays 0  

VEN123L Video 8.1 - Residual Sugar - Enzymatic Analysis

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…

From  Thi Nguyen on November 14th, 2020 0 likes 10 plays 0  

VEN123L Video 7.5 - Reference Method Comparison

What are some ways we can compare our method against a reference method? How can linear regression be used to compare datasets? What parameters in the regression equation should be considered? …

From  Thi Nguyen on November 2nd, 2020 0 likes 32 plays 0  

VEN123L Video 7.4 - Internal Standardization

What is internal standardization and what makes a good internal standard? Why does it work and how is it done? Copyright Thi Nguyen Do not distribute without permission thinguy@ucdavis.edu

From  Thi Nguyen on November 2nd, 2020 0 likes 37 plays 0  

VEN123L Video 6.3 - Spike Recovery and One-Tailed t-tests - Copper Fining

How is spike recovery used to evaluate the accuracy of an analytical method? How are one-tailed t-tests used to compare an experimental treatment versus a control? Can we use copper fining as an…

From  Thi Nguyen on November 1st, 2020 0 likes 62 plays 0  

VEN123L Video 7.3 - Ebulliometry and NIR Spectroscopy

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 …

From  Thi Nguyen on October 30th, 2020 0 likes 48 plays 0  

VEN123L Video 7.2 - Ethanol - GC-FID

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 …

From  Thi Nguyen on October 30th, 2020 0 likes 45 plays 0  

VEN123L Video 7.1 - Chromatography

What is chromatography and how does it work? How are the components of a mixture separated? What does advanced instrumental chromatographic analysis look like? Copyright Thi Nguyen Do not…

From  Thi Nguyen on October 28th, 2020 0 likes 40 plays 0  

VEN123L Video 5.4 - Calibration - Linear Least Squares Regression

What is calibration? What's going on when Excel fits a trendline to data? How do we translate instrumental response (e.g. absorbance) into concentration? Copyright Thi Nguyen Do not distribute…

From  Thi Nguyen on October 24th, 2020 0 likes 76 plays 0  

VEN123L Video 4.4 - Paired t-test

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…

From  Thi Nguyen on October 15th, 2020 0 likes 61 plays 0  

VEN123L Video 6.1 - Copper - Flame Atomic Absorption Spectroscopy

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…

From  Thi Nguyen on October 15th, 2020 0 likes 83 plays 0  

2020_September_IsoSeq_Workshop_part1

Library prep, using software modules, and PacBio data types: PacBio Iso-Seq Workshop Online 30 September 2020

From  Hannah Lyman on September 30th, 2020 0 likes 23 plays 0  

VEN123L Video 3.6 - Comparing Means

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 …

From  Thi Nguyen on September 30th, 2020 0 likes 84 plays 0