Mathias Roth

4 Questions 12 Answers 0 Followers

Questions related from Mathias Roth

How to plot data, if in a pair of values (for a paired t-test / Wilcoxon test) one of the two values is missing?

I have a dataset with 100 paired values (pre- and post intervention X). In 20 couples 1 of the 2 values is missing. When I compare pre- to post-intervention values, those 2 couples / rows will be...

05 December 2020 3,136 9 View

Is the measured area in an image with a bigger scale in Y than in X dependent of the orientation?

I have an image with a bigger scale in Y than in X. In this image I want to measure several areas. Now I need to know, if the true area is dependent of the orientation of the object / area I...

07 June 2018 9,971 5 View

Is it possible to do a flow cytometry / facs analysis of cells DIRECTLY after they were solved out of glandular tissue?

I wonder if it is possible to dissociate glandular tissue by an agent like collagenase / accutase etc. and do an flow cytometry / cell sorting right afterwards with those cells. Or do you think...

31 July 2013 4,733 8 View

What type of colony forming efficiency assay / CFU-F assay do you recommend for MSC?

There are several different methods described for CFU-F assays for MSC. E.g. in the book "Mesenchymal Stem Cell Assays and Applications" there are several partly very different methods described....

05 July 2013 2,023 4 View