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

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

Is it possible to compute ion conductivity using existing Gromacs tools? How might I calculate ionic conductance through bilayer in gromacs?

ionic current, gromacs

26 May 2015 2,572 1 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

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View