Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Do you have papers on hindlimb myology of birds to share?

Hi all! we are looking for papers (or information) on muscles of the hindlimbs of birds (extant and extinct) that include the intrinsic muscles of digits. Any help will be more than welcome! Thanks!

22 February 2021 7,186 3 View

Marker Set for 3D Motion Tracking of Upper Arm during Pointing Task?

Does anyone have recommendations of a marker set for 3D motion tracking of the upper arm during a pointing task? Most studies I have come across have focused on reaching. I plan to use Vicon Nexus...

12 January 2021 3,198 1 View

Are there any way to make the comparison between different analysis of reliability possible?

10 December 2020 7,922 4 View

How do I calculate variance explained by each predictor in a multiple regression via SPSS?

I have 4 independent variables within a multiple regression model. I am trying to figure out the percentage of variance each individual independent variable contributes to the model using SPSS....

28 November 2020 583 3 View

Does anyone has suggestions to extract carbohydrates from E. coli?

Dear colleagues, We are interested in extracting carbohydrates fro E. coli and the protocol we've seen so far include too many hours in a sonicator. Does anyone has suggestions or experinece in...

26 November 2020 5,907 3 View

Is the statistical analysis performed correct?

Dear colleagues, I have some doubts about the correctness of the following analysis. A class of 79 students underwent three different teaching methods that chronologically presented themselves...

02 November 2020 4,030 4 View

Is there a validated english questionnaire to assess Achievement Motivation in Sport (Hope for Success and Fear of Failure)?

I'm looking for an instrument in english that does not measure goal orientations.

04 October 2020 3,255 5 View

How to calculate a-priori sample size for a repeated measures 2x2 ANCOVA?

I am planning an experiment 2x2 within-subjects factors and additionally I would like to consider a covariate, so that a 2x2 repeated measures ANCOVA is the intended analysis. Does anyone know how...

16 August 2020 985 4 View

How should I present microRNA expression data from a single sample (leaves)?

Hello! I have a small RNA-seq analysis from leaves, and I will validate the known and the novel miRNAs by qPCR. My question is how I should present the qPCR results from a single sample (leaves)...

30 July 2020 9,696 3 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Anyone that can help with details in phosphopeptides enrichment?

Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...

28 February 2021 7,310 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

Problem with ligating 2.8 kb insert into 8.5 kb plasmid?

I am trying to clone 2 copies of the same mammalian gene into the pSF-CMV-Ub-Puro Ascl (contains HindIII, KpnI and NheI cut sites) plasmid. This is what the final product is supposed to look like...

24 February 2021 6,310 3 View

What urea buffer can i use for biotagged protein extraction from streptavidin beads?

Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...

24 February 2021 5,749 3 View

Can I use a protein-devoid condition as my negative control in ELISA?

Hello, I am running a sandwich-type ELISA where I am trying to inhibit a protein-protein interaction using small molecules. For each experiment, I determine my Z' (Z-prime) to determine the...

23 February 2021 7,429 1 View