Which force field should be used to simulate protein-protein complex in gromacs?

Hi, I have done a protein-protein docking. Now I want to perform MD in gromacs. I am confused with forcefields. When I tried to findout, everywhere it is written for protein-ligand but I couldn't...

29 September 2020 1,410 3 View

Is there a method to quantify a particular protein of interest from the crude extract?

I want to quantify a protein of ~ 7 kDa ( not a recombinant or amplified) from the crude protein extract. The sequence of the protein is known and has only one UV absorbing aminoacid.

04 February 2020 7,574 4 View

Usage of steel slag in GPC offers strength ?

Steel slag is used as partial replacement of fine aggregate and coarse aggregate. Does it increases strength of Geopolymer concrete (GPC)? Is there any relevant articles available ?

02 February 2020 3,245 7 View

How to set the axis of fft2 in matlab for spatial wave?

I have some data of radiances over latitude and longitude. When we do fft, the frequency window is from -fs/2 to fs/2. But, when we do fft2, what will be in the x axis and y axis? -spatial...

16 November 2019 8,956 3 View

Can anyone suggest me package in R for data preprocessing in gene expression data?

I am working in gene expression profiles of alzheimer's patients obtained from an orgsnization. The data is in raw and unstructures format. I am new to data analysis. I came to know that R can be...

02 March 2019 9,930 2 View

How to use non-boussinesq approximation in ansys fluent?

have to analyse convective and radiative losses from a structure using non-boussinesq approximation. how do i do it

31 May 2018 4,546 3 View

How to obtain proper flux line distribution in motor through FEA simulation?

22 June 2017 1,876 2 View

Keyless car ignition systems

There are many problems associated with keyless car ignition.What are the ways the car can be turned off automatically when it is left in the on state unknowingly by the user.

16 April 2016 9,825 4 View

What are the techniques to improve the torque density of slotless brushless motors ?

Slotless motors have greater advantage of zero cogging torque. However torque density is less compared to slotted machines. what are the techniques to improve the torque density of slotless...

11 February 2016 4,121 3 View

How can I calculate the oxidation potential of a molecule using gaussian software?

Can you please help me to find the oxidation potential of a mechanically interlocked molecule using Gaussian software?

07 December 2015 1,596 5 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

How does a freeze dryer destruct your solid sample?

Several times I lost my sample during freeze drying. There was no solid or powder in the vial after freeze drying. I'm sure sample contained solute because i took its NMR spectrum. I covered the...

15 February 2021 6,749 2 View

What is role of toluene and stearic acid in ball milling for powder ? In what weight percent we should add this to powder?

I am doing ball milling operation of Aluminum and silicon carbide powder. I am pretty confused about what should be added as process control agent ? what is role of toluene as PCA and stearic...

12 February 2021 5,205 3 View

Is there any method that we can electrochemically oxidize a powder?

I am working with a material which is sensible to water and oxygen, I would like to oxidize this powder either chemical or electromagnetically. Does anyone knows a method to electrochemically...

09 February 2021 2,944 3 View