Are there commercially available GFP-Expressing HUVECs for angiogenesis assay which have not been infected with lentivirus?

Dear all, I am interested in setting up an Angiogenesis assay on our Essen IncuCyte system but the cells which are recommended are infected with Lentivirus which we can not use due to our labs...

29 November 2020 2,350 1 View

Interaction terms and singularity errors?

Hi, I am currently trying to produce a linear regression model. I have used hierarchial regression stechniques to produce a multivariable model. I have then looked for interaction terms and added...

03 December 2019 4,201 3 View

Best Protocol for Biosynthetic Gene Cluster Heterologous Expression?

Hi, Does anyone have any recommendations on what methodology to use for the direct cloning and heterologous expression of a 69kb NRP gene cluster from Gram-positive bacteria? Thank you!

06 November 2019 3,179 3 View

Designed primers ran on a gel, not working?

Hi, I am looking for advice. I designed my own primers for human TBP, TGFB1 and ITGB6 Gene's. To test my primers I ran a PCR and gel, however, it didn't work. Does anyone have any solutions? I...

20 March 2019 3,950 3 View

Does anyone know what this rectangle on my western blot is?

I have been running western blots to verify the presence of a protein in my co-IP but a strange rectangle keeps showing up on my membrane and blocks the signal when I image it. I reran my western...

16 January 2019 847 4 View

Caco2 cell line passage number and Pgp presence?

What is the passage number of caco2 cell line that has the highest expression of Pgp? I remember that there was a range at which the expression increases but after that passage number it is no...

11 September 2018 7,436 1 View

How do I clear Mycoplasma arginini contamination from my viral RNA sample for NGS sequencing?

Hello, I have extracted my RNA from a virus and I want to sequence using NGS, the RNA sample has Mycoplasma arginini contamination. I would like to eliminate the bacterial contamination before...

06 March 2018 7,380 2 View

C10 cells not growing?

I just started working with an immortalized C10 cell line. The new batch was defrosted by standard methods but is not growing. Often not dying, but not proliferating. Cells have long projections...

11 September 2017 3,317 3 View

Anyone know how to do a data dictionary for a System Dynamic model and develop a user friendly web based tool for public use of the SD model?

What software to use, previous works done in the same area?

28 May 2016 8,155 4 View

Any advice on measuring phenolic content?

08 October 2015 8,010 10 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Analysis of CRD two factor using R studio ?

Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...

28 February 2021 8,189 3 View

How, if at all, can R scripts/packages be used to perform cluster analyses and motif analyses on digital trace data?

02 February 2021 728 3 View

Unbalanced panel data fixed fir effects and industry-by-year fixed effects. Is plm package suitable? or lme in rstudio?

I am not sure if an unbalanced panel data set doesn't give me good results. Do I have to have all years of my panel data? How do I select the variables? I only select those where I have no missing...

30 January 2021 7,258 6 View

How to plot Random Forest model as raster prediction map in RStudio?

Output_raster

27 January 2021 7,974 3 View

Why is there no ANOVA output for a certain predictor variable in my GLM (in R)?

Configurations: Rstudio v1.3.1093 Packages: car, lme4, MuMIn, DescTools Model: myGLM

22 January 2021 5,284 6 View

Which statistical test to use for comparing percentages between multiple groups?

Hello everyone! I am looking for some statistical help! I am working in in vitro micropropagation and one of the aspects that I am studying is the rooting of plants in 10 different growing media....

14 January 2021 7,575 5 View

How to get the natural frequencies and mode shapes using several acceleration data?

I am using FDD (code I used - https://uk.mathworks.com/matlabcentral/fileexchange/50988-frequency-domain-decomposition-fdd) to extract the natural frequencies and mode shapes using the...

03 January 2021 4,038 2 View

[SEM] Why RStudio and AMOS report different p-values (but same estimates)?

Hi everyone, I have conducted a SEM analysis in AMOS then replicated it in RStudio. While I obtained identical estimates and model fit statistics, the p-values differ between software programs...

25 December 2020 3,669 4 View

Subgroup/Subset meta analysis in R?

Dear researchers, I am conducting a meta analysis with subgroup or subset analysis using Rstudio, the data consists of 11 articles(6 articles for first drug, 3 articles for second drug and 2...

08 December 2020 5,397 7 View