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

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 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

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 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

Do I need to introduce HFD to ob/ob mice to obtain a T2DM model?

I am planning to work on T2 diabetic animals and check the efficacy of probiotics. My initial plan is to fed B6 animals with HFD for a while. But now, I have the chance to work on ob/ob mice. My...

18 February 2021 6,896 3 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

What is the best temperature to coat an ELISA plate?

Hello, I want to control the temperature of my ELISA plate during incubations to get consistent results. In general, what is the best temperature to coat the plate with antibody? I have been...

16 February 2021 2,377 7 View

Can anyone suggest a way to dissolve insulin which is for rat/mouse injection?

We are trying to inject insulin to rat or mouse, but the insulin we've got is powder, and there are many ways for dissolve, like in saline, PBS, DMSO, or in Tris-HCl, can anyone give us a...

13 February 2021 8,426 10 View

Is there a way to tell based on appearance which protein crystal should diffract the best?

I have had unheard of success with protein crystallography lately from a super successful protein expression and purification batch. I have attained a lately reproducible vast amount of crystals...

09 February 2021 5,155 5 View

Is this grounds for theophylline toxicity even though her plasma is within the therapeutic range? if it is, how is that possible?

A patient was given 300 mg Theophylline taken twice a day for the treatment of her bronchial asthma and has a positive clinical response. She has been compliant in taking her medication however,...

09 February 2021 3,489 3 View