How do we apply bilinear hardening and damping coefficient value in abaqus?

The issue bilinear hardening model and nominal cohesion yield stress value is given. So how do we decide the value of cohesion yield stress and absolute plastic strain? Another issue is damping...

19 December 2019 593 3 View

Cannot find position restraint file restraint.gro (option -r)?

Hello everyone, while running nvt equilibration i am getting the error as: Cannot find position restraint file restraint.gro (option -r). From GROMACS-2018, you need to specify the position...

26 February 2019 4,280 1 View

Charm++ Fatal error while running NAMD?

Hi Everyone, I am trying to run the NAMD configuration file but as soon as i run the command as namd2 minimize.namd > dummy.out it gives an error as: charm++ fatal error: unable to...

23 January 2019 8,197 9 View

Is there any study done on preparation of Innovation Index at metropolitan level with respect to Global Innovation Index (GII)?

08 December 2018 2,871 3 View

Problem with western blot of ABCB1 from mice colon tissue ?

I am getting a problem in western blot for ABCB1 in colon tissue in mice. The protein ABCB1 is a drug transporter 170kDa. I am using 8% SDS gel and 0.2um nitrocellulose membrane. The expression...

23 April 2017 1,076 2 View

How realistic is it to get olsen available P in soils as low as 4kg/ha?

02 July 2016 1,045 13 View

I have to add IL-2 signal peptide in front of gene of interest in pcdna 3.1 vector to export it out of the cells after transfection. How to do that?

My Questions are: 1. Should the gene of interest be directly after the IL-2 sequence and if that is the case, should it have its own start codon (ATG)? 2, if it has to have its own ATG, would that...

02 May 2016 5,593 3 View

What is the best method for extraction of RNA from adipose tissue ?

The lipids in adipose tissue interfere with the extraction of RNA via standard Trizol method. The lipid interference is preventing the pellet formation in the Trizol method. Please suggest method...

06 April 2016 6,519 3 View

How to observe and calculate van der waals forces between ligand and protein?

I want to determine van der waals interaction between protein and ligand complex.

27 March 2014 6,414 3 View

How to generate the input file for FlexPepDock Server?

It requires a valid PDB file in which the receptor is the first chain and the peptide is the second chain.

05 February 2014 9,576 3 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View