How can I find normal vectors of a 3D plot?

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Electrochemical tests in serum vs plasma?

Our biosensor works acceptably when using serum. However we are reading currents even higher than baseline (DPV in feCN6) when we have switched to plasma. The DPV reading is the same when plasma...

05 June 2019 9,797 8 View

How to color a vessel and its branches in Matlab?

I have exported the centerline of my vessel and its branches as a matrix in matlab.... Now I want to detect the main vessel and the branches and color them differently ... Any one has an idea?

31 December 2014 5,530 7 View

How do you perform a mesh quality check in Fluent?

I have done aorta simulations in Fluent for three meshes. How can we say which one has the better quality for my further tests? The results are nearly the same.

11 December 2014 5,132 6 View

How do you do static and dynamic simulations in Fluent?

I need a quick step by step guide to perform static and dynamic simulation for blood flow in an artery in Fluent. I am a total novice with the software and the topic, and the user's guide is...

10 November 2014 1,196 11 View

Does anyone know how can I calculate the diffusion coefficient of a protein/macromolecule?

There are several methods that measure the density, diffusion coefficient and velocity of fluorescently labeled macromolecules in cells, but I can't find a way for microfluidics systems.

09 October 2014 2,159 18 View

To expose an electrode with increasing concentrations of antigen, is PBS rinsing alone sufficient?

When testing a biosensor with different concentrations of antigen, it is said that the electrode should be flushed with PBS. Is PBS alone sufficient or the washing protocol with PBS+Tween 20 and...

03 April 2014 366 0 View

Which pencil lead is best for making electrode?

I want to make a pencil lead electrode. I have used different types HB, 2B, 2H but I haven't recorded a good signal in cyclic voltammetry. Does anyone have any experience?

11 December 2013 6,940 30 View

Can anyone tell me the difference between capture antibody and marker-antigen?

I want to develop a sensor. I am confused because some sources say I have to add a capture antibody and then a detection antibody. While searching the products I can only find anti-marker Ab and...

10 November 2013 2,753 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

How to draw the five chelate rings of [Co(EDTA)]- on this picture?

Is this circle one of the rings?

03 August 2024 5,988 0 View

How to make overlapping p-h diagram in EES?

I want to draw ph diagram using Engineering equation solver EES for refrigerant R134a and R1234fy and some other. I don't know how to draw the multiple ph diagram on same dome or overlapping to...

30 July 2024 647 7 View

Why Orca calculations take too loong?

Hello! I am trying to calculate the sumatriptan molecule, but it has been counting for five days and it does not stop. It seems to me that it is too long and I am doing something wrong. Please...

25 July 2024 3,364 5 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View

Should a defect induced structure be optimized in a DFT calculation?

I'm trying to study the effects of introducing vacancy defects in my material. If I optimize my structure and find the lattice parameter before introducing vacancy, should I again optimize my...

18 July 2024 1,794 2 View

How to draw photon-magnon coupling color plot in origin?

Please help me in plotting the photon-magnon coupling plot as shown below

14 July 2024 1,632 1 View

The criterion about maximally localized wannier function?

I heard that as the value of "num_iter(tag in wannier 90)" is higher, spread of Wannier function(=WF) is gradually lower in wannier 90. If so, is this procedure that minimize the spread of WF...

13 July 2024 4,608 0 View

What is the recommended type of pseudopotentials for QE?

Hello dear colleagues and professors Please what is the recommended type of pseudopotentials for QE? ultrasoft or norm conserving?? And from where get all types of pseudos (us, nc, pbe,...

09 July 2024 9,541 5 View

Taking a cut line through deck build in silvaco?

Hi everyone hope your all doing good. I’ve been looping my scripts and am trying to take a cut line of the conduction band energy with respect to y for each loop. Basically, I want to take a...

03 July 2024 9,134 1 View