Is there an overview of the stability of different interleukins and other analytes in storage?

More Hendrik Gremmels's questions See All

Is there any relevant literature on the correlation/relationship between sustainability on a national and company level?

I am currently writing my Master thesis w ith the tilte: Does sustainability correlate on the national and the company level? Empirical evidence from selected country cases. I struggle to find...

17 June 2020 4,316 4 View

Is mediation analysis adequate to answer whether subjects that respond to X strongly are also those that perceive it in a certain way?

Consider an experiment where an intervention X was manipulated and the behavioral outcome Y observed. After observing the outcome, a post-experimental questionnaire asked respondents about their...

26 May 2019 1,439 2 View

Tunable protein expression in E. coli?

12 March 2019 316 3 View

On which day of the week was Record Retailer published during the 1960s?

And what days prior to that day of the week did the charts published represent?

23 January 2019 6,604 1 View

How can I set a cell zone in OpenFoam to Overpressure?

Hey fellows! I would like to simulate a pressurised outlet stream of air. In the simulation I'll have some kind of a container filled with an overpressure of 2 bar air and I would like to...

23 October 2018 612 2 View

Where can i find a Matlab code using a Centroidal Voronoi Tessellation on Ellipsoids?

I found this algorithm which works quite well for spheres but i cant seem to rewrite it to work for ellipsoids:...

19 October 2018 3,804 2 View

How to test for causal mediation with instrument for mediator?

I've got a question regarding the intersection of mediation and instrumental variables. I want to test if a randomized treatment variable (T) has a direct effect on outcome (Y), as well as an...

28 May 2018 1,672 6 View

Type I error control dependent on experimental design?

If I want to test two hypothesis, i.e. whether Treatment 1 (T1) affects outcome O, and whether Treatment (T2) affects outcome O, relative to a control group (C), does it make a difference with...

13 June 2017 7,276 3 View

Regressing change score conditionally censored on pre-test outcome

I conducted an experiment where subjects made two decisions. the first (Pre) decision was unaffected by any treatment, whereas subjects made their second decision (Post) after being randomly...

23 May 2017 8,925 3 View

Is there a difference between ANOVA analysis of change scores and repeated-measures ANOVA?

I measure a continuous variable prior and after treatment allocation in a 3x4 factorial experimental design . The pre-treatment measurements are all unaffected by the treatment. There is no...

21 November 2016 2,878 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Does anyone have a recommendation for yeast reporter gene plasmid/protocol?

Hi, could anyone recommend a plasmid and/or protocol for reporter gene assay in S. cerevisiae? I want to assess the effect of growth conditions on a transcription factor, so I want to clone it`s...

01 March 2021 210 1 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

How to culture mouse pheochromocytoma cells (MPC)?

Hi Everyone, Has anyone here worked with MPC cell line? Any tips or tricks? I am just venturing into cell biology and any advice on this topic would be highly appreciated. Thank you so much. Niusha

22 February 2021 3,891 2 View

How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View