Germán Pérez Vázquez

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Questions related from Germán Pérez Vázquez

What is the average recovery of CD34 positive cells with magnetic sorter CliniMACS Plus?

Median recovery of 52.3% (range 15.2–146.3%): These figures come from Bone Marrow Transplantation 25, 243–249 in the year 2000, so I guess improvements have been made. Does anyone have any more...

09 September 2013 7,910 3 View

Is Flow Cytometry needed after thawing Cell Therapy products?

When we undertake hematopoietic stem cell transplantation from a previously cryopreserved peripheral blood or a donor lymphochyte infusion we don't usually perform any additional flow cytometry...

09 September 2013 1,219 13 View

Is there a WBC concentration for adequately cryopreserving peripheral blood with DMSO?

As far as I know is better not to exceed 200 x 10^3/mL in the apheresis product but don't know if there is a low boundary and what the consequences for the cryopreservation success are.

08 August 2013 2,746 0 View

Which category is the unexposed one when examining confounding criteria?

When examining a possilbe confounding factor (Z) of the relationship of a 3-group categorical variable (X) (high-intermediate-low) with survival/relapse (Y) using the three classical criteria (KJ....

08 August 2013 1,730 1 View

What syntax do I need to use to perform a cox regression with time-varying covariates in Stata?

I want to analyze (with "stcox") the overall survival outcome of a prognostic factor (varX), adjusting by a time-varying covariate such as stem cell transplantation. I assume it has to make a...

08 August 2013 9,303 10 View