Which is the best mitochondrial potential dye for primary cells?

Hi! I am wondering if someone can recommend me a good dye for measuring mitochondrial potential. I have used TMRE with good results in the past, but I have heard also about Mitoview. I would use...

12 January 2021 4,200 4 View

How to analyze sodium lauryl sulfate using HPLC-RID?

Hi, I am analyzing the content of anionic surfactant: sodium lauryl sulfate (SLS) in commercial detergents using HPLC-RID/refractive index detector. I used column Agilent Zorbax Eclipse XDB C-18...

15 November 2020 1,405 2 View

How do I test for gender differences in Spearman rho correlations?

I want to explore if there is a gender difference in a correlation between two ordinal items. I have calculated spearman rho within gender for the items, but I now need to test if the correlation...

09 October 2020 970 13 View

How to get rid of Matrigel during enteroid passaging?

Hello. I am trying to generate monolayers from cow enteroids. The protocol I am following involves 0.5uM EDTA and Trypsin-EDTA 0.05%, each enzyme is applied in two different steps. But for some...

10 March 2020 1,805 1 View

Is there a way to edit the citations in MENDELEY so it's in the order of citation in the text body instead of Author?

Does anyone know how to change the citation style in Mendely in order to sort the references according to the order of citation in the paper? So that in the text is displayed only the number (eg....

01 January 2020 746 2 View

How to avoid impurities in immunoprecipitation with magnetic beads?

Hello, I need to extract an antigen from human serum. I tried with streptavidine-coated magnetic beads and a pair of biotinylated antibodies. Then I followed the elution procedure, as recommended...

09 September 2019 6,947 4 View

How to analyze alkyl distribution of Methyl Ester Sulfonate / Sulfonated Methyl Ester?

I need to analyze the alkyl distribution of Methyl Ester Sulfonate to know the molecular weight of my sample. I tried to use gas chromatography to do this. My method was to reflux the sample first...

14 July 2019 2,133 4 View

Can you recommend me some articles that dealing with the electronic transitions of toluene?

Hello! I'm working on assigning absorption bands to UV-vis spectra of unknown matrix. I think some are due to the presence of toluene, but I can't find any article that describes the electronic...

19 March 2019 8,119 3 View

What are these spheres created by genetically modified Ralstonia eutropha after fermentation of hemp?

Hello microbiology researchers working with Ralstonia eutropha. The organism we have created contains two genes that allow R. eutropha to ferment hemp and produce P4HB. When we began the culture...

13 November 2018 3,838 3 View

Which are the incubation conditions for a biotinylated antibody with a streptavidin coating?

I have to do a sandwich coating with: 1) biotinylated BSA 2) streptavidine 3) biotinylated antibody Which are the common conditions for the incubation regarding each step? Buffer type and pH,...

08 November 2018 770 2 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Did anyone ever try using pLVX-TetOne Plasmid with a copGFP as a selection marker instead of Puromycin?

When using a lentiviral vector for inducible expression of genes using the Tet-On system. In the literature, I saw a widely used of pLVX-TetOne-Puro Plasmid, is there a reason why people prefer to...

25 February 2021 1,011 3 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

Could you please suggests a tutorial or paper or any other materials to learn multiple gene expression in TCGA and GTEx databases?

I would like to analyze multiple gene expressions in normal and cancer tissue by using the data in the TCGA and GTEx databases. Please suggest a tutorial or paper showing step by step analysis of...

23 February 2021 9,007 3 View

How to use protein A G beads to purify antibody?

Secretory universal influenza antibody CR9114 were successfully expressed by adenovirus vector ,then we used protein A G beads purify CR9114.But the molecular weight of the purified antibody under...

22 February 2021 4,318 2 View

Which CpGs have a significant effect on gene expression?

It is known that methylated CpG around TSS decreases gene expression. However, It is difficult to know exactly which CpG has a greater impact on gene expression. Are there any databases known...

20 February 2021 5,634 3 View

I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...

19 February 2021 7,006 5 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

Trouble shooting with his tagged protein expression in E.Coli?

i have issues in expressing a chicken protein in BL21 cells with his tag. I do not see induction even at 18 degrees. Any suggestions

15 February 2021 8,939 3 View

Why is there no protein expression but antibiotic resistance in transduced A549 cells with pLVX-TetOne-Puro lentivirus?

Hi, I have been trying to transduce A549 and Calu-3 cells using the Lenti-X Tet-One inducible expression system (TakaraBio). My gene of interest is inserted in a pLVX-TetOne-Puro plasmid and has...

15 February 2021 8,462 3 View