How do I remove excess Polyhydroxymethylsiloxane from the final product?

I did a simple organic reaction where I left with excess of Polyhydroxymethylsiloxane (PHMS) in the final product solution. I tried to extract it with aqueous layer, but I failed. Let me know, if...

08 September 2015 2,705 3 View

Is there a visualizer which could show amino acids involved in Protein-Protein interaction?

06 July 2015 9,678 15 View

What will be the effect on RMSD during to superposition of proteins?

when we do superpose of 3 pdbs together (1 on 2, 2 on 3, 3 on 1) and after that if we change the sequence of superposition, will there be any possibility to see the change in RMSD value (before...

05 June 2015 8,043 7 View

How can I dock a ligand in more than 1 receptor?

I have 6 receptors and only 1 ligand. In the meantime I interested to do the docking in all these receptor. Is there any way where we have a generalised way to dock this compound to these receptor...

10 November 2014 4,379 12 View

What is the best scoring function/force field for docking carbohydrates ?

10 November 2014 3,066 5 View

Molecular dynamics of Protein-small molecule for Windows?

Hi I am looking for a MD simulation calculations for Small molecule-Protein interaction. But right now I am limited to Windows. So please let me know if there is any software which is useful in...

10 November 2014 3,788 10 View

Is there any free software available for inverse docking or docking, where we are searching for a receptor or protein for a known ligand?

I want to know about the tools available for searching for a protein or receptor for a known ligand.

09 October 2014 6,140 9 View

How does Dinitrobenzaldehe reduction happen to Diaminobenzaldehyde?

What is the best reagent which can be useful in the reduction of 2,4-dinitrobenzaldeyde?

07 August 2014 1,744 16 View

Do we have any method to find out acetylation on any protein?

What we know is that the proteins get acetylated at lysine moiety. But looking into the structure, we got around more than one lysine moiety. Then how it can be possible to find out which lysine...

07 August 2014 1,090 6 View

What method is employed to check the structure/molecule stability?

Recently I was encountered with a problem where structure shown in figure is not able to get converted to any product. May be possibly due to its resonance effect or any other effect between the...

06 July 2014 1,563 18 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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 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

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

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28 February 2021 9,936 2 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 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

Can two EC50 values with different hill slopes be compared?

Hello, I fit a classical dose response curve Y=Bottom + (Top-Bottom)/(1+10^((LogEC-X)*HillSlope)) to my data (not related to inhibitors etc). The model I use is purely qualitative but it fits...

23 February 2021 8,155 5 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View

Can you perform the Murexide test on samples fixed in Formalin?

I have a fixed sample and would like to use the murexide reaction to test for uric acid composition. I no longer have fresh samples

22 February 2021 1,328 1 View