Joyce Abigail Tabardillo

7 Questions 9 Answers 0 Followers

Questions related from Joyce Abigail Tabardillo

COW Algorithm R Package for GC-FID Pre-processing?

Hi! Are there any R packages or Python modules that are able to implement the COW algorithm in chromatogram alignment? Thanks!

14 July 2023 1,879 0 View

Know any gas chromatogram alignment software?

Hello! I have a lot of chromatograms with hundreds of peaks that need to be aligned. Can you recommend software (hopefully, opensource) that I can use to align peaks? Thanks!

11 September 2021 2,207 5 View

Any leads on open-source RI libraries?

Hi! Does anyone know any libraries where we can access retention index data (gas chromatography) of aroma compounds for free? Thanks!

08 December 2020 2,087 1 View

Plackett Burman analysis using R programming?

Hi! Does anyone have a link/ sample R documentation for analyzing results of a Plackett Burman experimental design? I am screening experimental variables for optimization and the package I am...

24 January 2020 7,886 8 View

How do you improve peak separation in this case (Please see attached picture) ?

How do I improve the peak shape and resolution in this region of the chromatogram? Analytes are volatiles in the headspace of rice. Column is DB-Wax-- a column reported to be successful in...

25 November 2019 7,385 3 View

Why are there broad, irregularly-shaped peaks that elute early in my gas chromatogram ?

We just replaced our GC-FID with a new column and conditioned the column before using it. When I started my running blanks and samples using a specific temperature program, there always appears...

14 November 2019 9,507 3 View

Why are there fewer peaks in a gas chromatogram with longer run times than with shorter run times?

Lengthening my GC run time from 14 min to 34 min resulted in fewer peaks. The target compound that I am trying to quantify is not detected whenever I run my samples (same extraction conditions)...

09 October 2019 7,640 6 View