Which proteomics software is best for performing IBAQ analysis?

I have protein samples which I need to identify. I loaded it on SDS PAGE. Now each band may contain two or more proteins. Can I estimate relative abundance of those proteins through IBAQ? If yes,...

05 June 2019 6,070 3 View

Why are my gel pieces not getting destained for in-gel digestion?

My gel pieces are not getting destained. I have kept it for more than 6 hours now. I m using 50mM Ammonium bicarbonate and Acetonitrile in ratio of 7:3.

04 May 2018 1,787 1 View

Is proteomic data analysis in R (using RforProteomics) better than any other proteomic software?

My project involves analyzing proteome of my sample. I have more than 100 samples for analysis. Would proteomic analysis in R help me? Is it better than other softwares?

31 December 2017 6,542 8 View

Why do I get smear on SDS-PAGE?

I am working on snake venom proteins and wanted to resolve it on SDS PAGE. I have attached image of my gel. I am getting a smear. Is there any way to resolve it better?

04 May 2016 9,006 5 View

What is polymorphic marker?

02 March 2016 7,992 2 View

How does DNA get compressed in stacking gel?

I know that it gets sandwiched between glycine and Cl ions But how does it get compress literally?

01 February 2016 7,267 2 View

After running SDS, why do we put our gel in solution of acetic acid and methanol?

I was reading SDS PAGE and methodology it was mentioned, I searched it online but i couldn't find the answer.

01 February 2016 453 5 View

Can anyone give me examples of gene-lists and gene-sets used in GSEA?

I wanted to understand gene set enrichment analysis. For that I need some practical examples of gene-lists and gene-set used in this technique

09 October 2015 7,509 4 View

How to do northern blotting to check expression of HSP proteins in frog ?

04 May 2015 5,296 3 View

How can I take blood from bull frog?

I have to check effect of temperature on hoplobatracus carcass in peninsular India. I wanted to take blood sample for protein analysis.

03 April 2015 1,778 6 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 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

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 can I represent SDS-PAGE results for machine learning analysis?

I am trying to classify and analyze the results of an SDS-PAGE based array for bacterial detection using machine learning, but I have trouble finding the best way to represent the results with...

27 February 2021 9,176 3 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Why my agarose gel staining sometimes looks not homogenic but like gradient (see the figure)?

I am worried about this overexposure of the upper part of the gel in the picture. Is it possible that this is the result of too much concentration of ethidium bromide? Why is there such a big...

25 February 2021 8,140 3 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 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

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View