How surface tension of solvents affect crystallization of nanoparticles in a sol-gel method?

In the synthesis of metal oxide nanoparticles by sol-gel method, how surface tension of solvents affect crystal growth?

06 January 2021 3,687 3 View

For RNA seq study and data analysis, How many tests (e.g. duplicate or triplicate) should be considered for each sample?

As we are doing RNA seq for some cell lines before and after treatment, how many tests should we do for each sample to validate data statistically?

04 January 2021 6,436 2 View

I need to wash carboxy methyl chitosan with 70%ethanol until neutral pH obtained, how can I do this task without consuming to much ethanol?

in the last step of synthesizing carboxy methyl chitosan from chitosan we need to wash it with 70%ethanol until neutral pH obtained, to achieve this goal we need to consume lots of ethanol, I am...

21 September 2020 2,060 2 View

I need to get some references on the topic of thermal conductivity of building materials. Who can help me ??

scientific researches Master Theses PhD Any previous studies benefit me in my research ... Thank you

31 May 2020 1,031 14 View

Whats the coordinate of atoms in a crystal with cubic structure that atomic positions for them are same, like 4a(0,0,0)?

Whats the coordinate of atoms in a crystal with cubic structure that atomic positions for them are same, like 4a(0,0,0)?

24 February 2020 6,351 3 View

I need a single-phase voltage-dependent variable load in MATLA/Simulink. How can I do that?

I need a variable load as I can control its power or its impedance via changing its voltage. Not a variable current controlled loads. I would be grateful if somebody could help me.

14 July 2017 9,840 3 View

Connection Spring Model in SMF's with RBS section ?

Dear Friends, Does anyone know how to model connection spring in steel moment frames, I mean the spring in the face of column in steel moment frames with RBS section ?

11 January 2017 9,786 3 View

How can I achieve the second-order optical gain in quantum dots?

15 May 2015 7,785 3 View

Is it safe to use a regular tube furnace along with working tube and gas tight end seals to do reduction treatments under a pure hydrogen atmosphere?

I would appreciate any details that I should consider before starting my treatments.

06 May 2014 8,884 7 View

Can anyone help with soil organic carbon (SOC) variation range?

I am exploring the variation range of Soil Organic Carbon. I have carried out some literature reviews, but I unfortunately could not find any suitable information about that. Can anyone help me...

24 April 2014 1,523 3 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How can I calculate the rdf of water molecules around 'Na' ions that are closest(adsorbed) to the nanoparticle(solute)?

Hi, I want to calculate the radial distribution function for water molecules around the Na+ ions adsorbed on the surface of a spherical nanoparticle using the gromacs trajectory dynamically? For...

28 February 2021 5,650 1 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 can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

How does GROMACS calculate the average structure of proteins?

I want to get a average structure from a pdb file containing multiple models. I used the command below: gmx cluster -f input.pdb -s topol.tpr -cutoff 20 -method gromos -av GROMACS...

25 February 2021 6,314 1 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View